var Godot = (() => {
    var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;

    return (
        function(Godot) {
            Godot = Godot || {};

            function GROWABLE_HEAP_I8() { if (wasmMemory.buffer != buffer) { updateGlobalBufferAndViews(wasmMemory.buffer) } return HEAP8 }

            function GROWABLE_HEAP_U8() { if (wasmMemory.buffer != buffer) { updateGlobalBufferAndViews(wasmMemory.buffer) } return HEAPU8 }

            function GROWABLE_HEAP_I16() { if (wasmMemory.buffer != buffer) { updateGlobalBufferAndViews(wasmMemory.buffer) } return HEAP16 }

            function GROWABLE_HEAP_U16() { if (wasmMemory.buffer != buffer) { updateGlobalBufferAndViews(wasmMemory.buffer) } return HEAPU16 }

            function GROWABLE_HEAP_I32() { if (wasmMemory.buffer != buffer) { updateGlobalBufferAndViews(wasmMemory.buffer) } return HEAP32 }

            function GROWABLE_HEAP_U32() { if (wasmMemory.buffer != buffer) { updateGlobalBufferAndViews(wasmMemory.buffer) } return HEAPU32 }

            function GROWABLE_HEAP_F32() { if (wasmMemory.buffer != buffer) { updateGlobalBufferAndViews(wasmMemory.buffer) } return HEAPF32 }

            function GROWABLE_HEAP_F64() { if (wasmMemory.buffer != buffer) { updateGlobalBufferAndViews(wasmMemory.buffer) } return HEAPF64 }
            var Module = typeof Godot != "undefined" ? Godot : {};
            var readyPromiseResolve, readyPromiseReject;
            Module["ready"] = new Promise(function(resolve, reject) {
                readyPromiseResolve = resolve;
                readyPromiseReject = reject
            });
            var moduleOverrides = Object.assign({}, Module);
            var arguments_ = [];
            var thisProgram = "./this.program";
            var quit_ = (status, toThrow) => { throw toThrow };
            var ENVIRONMENT_IS_WEB = typeof window == "object";
            var ENVIRONMENT_IS_WORKER = typeof importScripts == "function";
            var ENVIRONMENT_IS_NODE = typeof process == "object" && typeof process.versions == "object" && typeof process.versions.node == "string";
            var ENVIRONMENT_IS_PTHREAD = Module["ENVIRONMENT_IS_PTHREAD"] || false;
            var scriptDirectory = "";

            function locateFile(path) { if (Module["locateFile"]) { return Module["locateFile"](path, scriptDirectory) } return scriptDirectory + path }
            var read_, readAsync, readBinary, setWindowTitle;
            if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
                if (ENVIRONMENT_IS_WORKER) { scriptDirectory = self.location.href } else if (typeof document != "undefined" && document.currentScript) { scriptDirectory = document.currentScript.src }
                if (_scriptDir) { scriptDirectory = _scriptDir }
                if (scriptDirectory.indexOf("blob:") !== 0) { scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1) } else { scriptDirectory = "" } {
                    read_ = (url => {
                        var xhr = new XMLHttpRequest;
                        xhr.open("GET", url, false);
                        xhr.send(null);
                        return xhr.responseText
                    });
                    if (ENVIRONMENT_IS_WORKER) {
                        readBinary = (url => {
                            var xhr = new XMLHttpRequest;
                            xhr.open("GET", url, false);
                            xhr.responseType = "arraybuffer";
                            xhr.send(null);
                            return new Uint8Array(xhr.response)
                        })
                    }
                    readAsync = ((url, onload, onerror) => {
                        var xhr = new XMLHttpRequest;
                        xhr.open("GET", url, true);
                        xhr.responseType = "arraybuffer";
                        xhr.onload = (() => {
                            if (xhr.status == 200 || xhr.status == 0 && xhr.response) { onload(xhr.response); return }
                            onerror()
                        });
                        xhr.onerror = onerror;
                        xhr.send(null)
                    })
                }
                setWindowTitle = (title => document.title = title)
            } else {}
            var out = Module["print"] || console.log.bind(console);
            var err = Module["printErr"] || console.warn.bind(console);
            Object.assign(Module, moduleOverrides);
            moduleOverrides = null;
            if (Module["arguments"]) arguments_ = Module["arguments"];
            if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
            if (Module["quit"]) quit_ = Module["quit"];

            function warnOnce(text) {
                if (!warnOnce.shown) warnOnce.shown = {};
                if (!warnOnce.shown[text]) {
                    warnOnce.shown[text] = 1;
                    err(text)
                }
            }
            var tempRet0 = 0;
            var setTempRet0 = value => { tempRet0 = value };
            var getTempRet0 = () => tempRet0;
            var Atomics_load = Atomics.load;
            var Atomics_store = Atomics.store;
            var Atomics_compareExchange = Atomics.compareExchange;
            var wasmBinary;
            if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
            var noExitRuntime = Module["noExitRuntime"] || false;
            if (typeof WebAssembly != "object") { abort("no native wasm support detected") }

            function setValue(ptr, value, type = "i8", noSafe) {
                if (type.charAt(type.length - 1) === "*") type = "i32";
                switch (type) {
                    case "i1":
                        GROWABLE_HEAP_I8()[ptr >> 0] = value;
                        break;
                    case "i8":
                        GROWABLE_HEAP_I8()[ptr >> 0] = value;
                        break;
                    case "i16":
                        GROWABLE_HEAP_I16()[ptr >> 1] = value;
                        break;
                    case "i32":
                        GROWABLE_HEAP_I32()[ptr >> 2] = value;
                        break;
                    case "i64":
                        tempI64 = [value >>> 0, (tempDouble = value, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], GROWABLE_HEAP_I32()[ptr >> 2] = tempI64[0], GROWABLE_HEAP_I32()[ptr + 4 >> 2] = tempI64[1];
                        break;
                    case "float":
                        GROWABLE_HEAP_F32()[ptr >> 2] = value;
                        break;
                    case "double":
                        GROWABLE_HEAP_F64()[ptr >> 3] = value;
                        break;
                    default:
                        abort("invalid type for setValue: " + type)
                }
            }

            function getValue(ptr, type = "i8", noSafe) {
                if (type.charAt(type.length - 1) === "*") type = "i32";
                switch (type) {
                    case "i1":
                        return GROWABLE_HEAP_I8()[ptr >> 0];
                    case "i8":
                        return GROWABLE_HEAP_I8()[ptr >> 0];
                    case "i16":
                        return GROWABLE_HEAP_I16()[ptr >> 1];
                    case "i32":
                        return GROWABLE_HEAP_I32()[ptr >> 2];
                    case "i64":
                        return GROWABLE_HEAP_I32()[ptr >> 2];
                    case "float":
                        return GROWABLE_HEAP_F32()[ptr >> 2];
                    case "double":
                        return Number(GROWABLE_HEAP_F64()[ptr >> 3]);
                    default:
                        abort("invalid type for getValue: " + type)
                }
                return null
            }
            var wasmMemory;
            var wasmModule;
            var ABORT = false;
            var EXITSTATUS;

            function assert(condition, text) { if (!condition) { abort(text) } }

            function getCFunc(ident) { var func = Module["_" + ident]; return func }

            function ccall(ident, returnType, argTypes, args, opts) {
                var toC = {
                    "string": function(str) {
                        var ret = 0;
                        if (str !== null && str !== undefined && str !== 0) {
                            var len = (str.length << 2) + 1;
                            ret = stackAlloc(len);
                            stringToUTF8(str, ret, len)
                        }
                        return ret
                    },
                    "array": function(arr) {
                        var ret = stackAlloc(arr.length);
                        writeArrayToMemory(arr, ret);
                        return ret
                    }
                };

                function convertReturnValue(ret) { if (returnType === "string") return UTF8ToString(ret); if (returnType === "boolean") return Boolean(ret); return ret }
                var func = getCFunc(ident);
                var cArgs = [];
                var stack = 0;
                if (args) {
                    for (var i = 0; i < args.length; i++) {
                        var converter = toC[argTypes[i]];
                        if (converter) {
                            if (stack === 0) stack = stackSave();
                            cArgs[i] = converter(args[i])
                        } else { cArgs[i] = args[i] }
                    }
                }
                var ret = func.apply(null, cArgs);

                function onDone(ret) { if (stack !== 0) stackRestore(stack); return convertReturnValue(ret) }
                ret = onDone(ret);
                return ret
            }

            function cwrap(ident, returnType, argTypes, opts) { argTypes = argTypes || []; var numericArgs = argTypes.every(function(type) { return type === "number" }); var numericRet = returnType !== "string"; if (numericRet && numericArgs && !opts) { return getCFunc(ident) } return function() { return ccall(ident, returnType, argTypes, arguments, opts) } }

            function TextDecoderWrapper(encoding) {
                var textDecoder = new TextDecoder(encoding);
                this.decode = (data => { if (data.buffer instanceof SharedArrayBuffer) { data = new Uint8Array(data) } return textDecoder.decode.call(textDecoder, data) })
            }
            var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoderWrapper("utf8") : undefined;

            function UTF8ArrayToString(heap, idx, maxBytesToRead) {
                var endIdx = idx + maxBytesToRead;
                var endPtr = idx;
                while (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr;
                if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) { return UTF8Decoder.decode(heap.subarray(idx, endPtr)) } else {
                    var str = "";
                    while (idx < endPtr) {
                        var u0 = heap[idx++];
                        if (!(u0 & 128)) { str += String.fromCharCode(u0); continue }
                        var u1 = heap[idx++] & 63;
                        if ((u0 & 224) == 192) { str += String.fromCharCode((u0 & 31) << 6 | u1); continue }
                        var u2 = heap[idx++] & 63;
                        if ((u0 & 240) == 224) { u0 = (u0 & 15) << 12 | u1 << 6 | u2 } else { u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heap[idx++] & 63 }
                        if (u0 < 65536) { str += String.fromCharCode(u0) } else {
                            var ch = u0 - 65536;
                            str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023)
                        }
                    }
                }
                return str
            }

            function UTF8ToString(ptr, maxBytesToRead) { return ptr ? UTF8ArrayToString(GROWABLE_HEAP_U8(), ptr, maxBytesToRead) : "" }

            function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
                if (!(maxBytesToWrite > 0)) return 0;
                var startIdx = outIdx;
                var endIdx = outIdx + maxBytesToWrite - 1;
                for (var i = 0; i < str.length; ++i) {
                    var u = str.charCodeAt(i);
                    if (u >= 55296 && u <= 57343) {
                        var u1 = str.charCodeAt(++i);
                        u = 65536 + ((u & 1023) << 10) | u1 & 1023
                    }
                    if (u <= 127) {
                        if (outIdx >= endIdx) break;
                        heap[outIdx++] = u
                    } else if (u <= 2047) {
                        if (outIdx + 1 >= endIdx) break;
                        heap[outIdx++] = 192 | u >> 6;
                        heap[outIdx++] = 128 | u & 63
                    } else if (u <= 65535) {
                        if (outIdx + 2 >= endIdx) break;
                        heap[outIdx++] = 224 | u >> 12;
                        heap[outIdx++] = 128 | u >> 6 & 63;
                        heap[outIdx++] = 128 | u & 63
                    } else {
                        if (outIdx + 3 >= endIdx) break;
                        heap[outIdx++] = 240 | u >> 18;
                        heap[outIdx++] = 128 | u >> 12 & 63;
                        heap[outIdx++] = 128 | u >> 6 & 63;
                        heap[outIdx++] = 128 | u & 63
                    }
                }
                heap[outIdx] = 0;
                return outIdx - startIdx
            }

            function stringToUTF8(str, outPtr, maxBytesToWrite) { return stringToUTF8Array(str, GROWABLE_HEAP_U8(), outPtr, maxBytesToWrite) }

            function lengthBytesUTF8(str) {
                var len = 0;
                for (var i = 0; i < str.length; ++i) {
                    var u = str.charCodeAt(i);
                    if (u >= 55296 && u <= 57343) u = 65536 + ((u & 1023) << 10) | str.charCodeAt(++i) & 1023;
                    if (u <= 127) ++len;
                    else if (u <= 2047) len += 2;
                    else if (u <= 65535) len += 3;
                    else len += 4
                }
                return len
            }
            var UTF16Decoder = typeof TextDecoder != "undefined" ? new TextDecoderWrapper("utf-16le") : undefined;

            function allocateUTF8(str) { var size = lengthBytesUTF8(str) + 1; var ret = _malloc(size); if (ret) stringToUTF8Array(str, GROWABLE_HEAP_I8(), ret, size); return ret }

            function allocateUTF8OnStack(str) {
                var size = lengthBytesUTF8(str) + 1;
                var ret = stackAlloc(size);
                stringToUTF8Array(str, GROWABLE_HEAP_I8(), ret, size);
                return ret
            }

            function writeArrayToMemory(array, buffer) { GROWABLE_HEAP_I8().set(array, buffer) }

            function writeAsciiToMemory(str, buffer, dontAddNull) { for (var i = 0; i < str.length; ++i) { GROWABLE_HEAP_I8()[buffer++ >> 0] = str.charCodeAt(i) } if (!dontAddNull) GROWABLE_HEAP_I8()[buffer >> 0] = 0 }
            var buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
            if (ENVIRONMENT_IS_PTHREAD) { buffer = Module["buffer"] }

            function updateGlobalBufferAndViews(buf) {
                buffer = buf;
                Module["HEAP8"] = HEAP8 = new Int8Array(buf);
                Module["HEAP16"] = HEAP16 = new Int16Array(buf);
                Module["HEAP32"] = HEAP32 = new Int32Array(buf);
                Module["HEAPU8"] = HEAPU8 = new Uint8Array(buf);
                Module["HEAPU16"] = HEAPU16 = new Uint16Array(buf);
                Module["HEAPU32"] = HEAPU32 = new Uint32Array(buf);
                Module["HEAPF32"] = HEAPF32 = new Float32Array(buf);
                Module["HEAPF64"] = HEAPF64 = new Float64Array(buf)
            }
            var INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 67108864;
            if (ENVIRONMENT_IS_PTHREAD) {
                wasmMemory = Module["wasmMemory"];
                buffer = Module["buffer"]
            } else { if (Module["wasmMemory"]) { wasmMemory = Module["wasmMemory"] } else { wasmMemory = new WebAssembly.Memory({ "initial": INITIAL_MEMORY / 65536, "maximum": 2147483648 / 65536, "shared": true }); if (!(wasmMemory.buffer instanceof SharedArrayBuffer)) { err("requested a shared WebAssembly.Memory but the returned buffer is not a SharedArrayBuffer, indicating that while the browser has SharedArrayBuffer it does not have WebAssembly threads support - you may need to set a flag"); if (ENVIRONMENT_IS_NODE) { console.log("(on node you may need: --experimental-wasm-threads --experimental-wasm-bulk-memory and also use a recent version)") } throw Error("bad memory") } } }
            if (wasmMemory) { buffer = wasmMemory.buffer }
            INITIAL_MEMORY = buffer.byteLength;
            updateGlobalBufferAndViews(buffer);
            var wasmTable;
            var __ATPRERUN__ = [];
            var __ATINIT__ = [];
            var __ATMAIN__ = [];
            var __ATEXIT__ = [];
            var __ATPOSTRUN__ = [];
            var runtimeInitialized = false;
            var runtimeExited = false;
            var runtimeKeepaliveCounter = 0;

            function keepRuntimeAlive() { return noExitRuntime || runtimeKeepaliveCounter > 0 }

            function preRun() {
                if (Module["preRun"]) { if (typeof Module["preRun"] == "function") Module["preRun"] = [Module["preRun"]]; while (Module["preRun"].length) { addOnPreRun(Module["preRun"].shift()) } }
                callRuntimeCallbacks(__ATPRERUN__)
            }

            function initRuntime() {
                runtimeInitialized = true;
                if (ENVIRONMENT_IS_PTHREAD) return;
                if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
                FS.ignorePermissions = false;
                TTY.init();
                SOCKFS.root = FS.mount(SOCKFS, {}, null);
                callRuntimeCallbacks(__ATINIT__)
            }

            function preMain() {
                if (ENVIRONMENT_IS_PTHREAD) return;
                callRuntimeCallbacks(__ATMAIN__)
            }

            function exitRuntime() {
                if (ENVIRONMENT_IS_PTHREAD) return;
                ___funcs_on_exit();
                callRuntimeCallbacks(__ATEXIT__);
                FS.quit();
                TTY.shutdown();
                PThread.terminateAllThreads();
                runtimeExited = true
            }

            function postRun() {
                if (ENVIRONMENT_IS_PTHREAD) return;
                if (Module["postRun"]) { if (typeof Module["postRun"] == "function") Module["postRun"] = [Module["postRun"]]; while (Module["postRun"].length) { addOnPostRun(Module["postRun"].shift()) } }
                callRuntimeCallbacks(__ATPOSTRUN__)
            }

            function addOnPreRun(cb) { __ATPRERUN__.unshift(cb) }

            function addOnInit(cb) { __ATINIT__.unshift(cb) }

            function addOnPostRun(cb) { __ATPOSTRUN__.unshift(cb) }
            var runDependencies = 0;
            var runDependencyWatcher = null;
            var dependenciesFulfilled = null;

            function getUniqueRunDependency(id) { return id }

            function addRunDependency(id) { runDependencies++; if (Module["monitorRunDependencies"]) { Module["monitorRunDependencies"](runDependencies) } }

            function removeRunDependency(id) {
                runDependencies--;
                if (Module["monitorRunDependencies"]) { Module["monitorRunDependencies"](runDependencies) }
                if (runDependencies == 0) {
                    if (runDependencyWatcher !== null) {
                        clearInterval(runDependencyWatcher);
                        runDependencyWatcher = null
                    }
                    if (dependenciesFulfilled) {
                        var callback = dependenciesFulfilled;
                        dependenciesFulfilled = null;
                        callback()
                    }
                }
            }
            Module["preloadedImages"] = {};
            Module["preloadedAudios"] = {};

            function abort(what) {
                if (ENVIRONMENT_IS_PTHREAD) { postMessage({ "cmd": "onAbort", "arg": what }) } else { if (Module["onAbort"]) { Module["onAbort"](what) } }
                what = "Aborted(" + what + ")";
                err(what);
                ABORT = true;
                EXITSTATUS = 1;
                what += ". Build with -s ASSERTIONS=1 for more info.";
                var e = new WebAssembly.RuntimeError(what);
                readyPromiseReject(e);
                throw e
            }
            var dataURIPrefix = "data:application/octet-stream;base64,";

            function isDataURI(filename) { return filename.startsWith(dataURIPrefix) }
            var wasmBinaryFile;
            wasmBinaryFile = "godot.javascript.opt.tools.threads.wasm";
            if (!isDataURI(wasmBinaryFile)) { wasmBinaryFile = locateFile(wasmBinaryFile) }

            function getBinary(file) { try { if (file == wasmBinaryFile && wasmBinary) { return new Uint8Array(wasmBinary) } if (readBinary) { return readBinary(file) } else { throw "both async and sync fetching of the wasm failed" } } catch (err) { abort(err) } }

            function getBinaryPromise() { if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { if (typeof fetch == "function") { return fetch(wasmBinaryFile, { credentials: "same-origin" }).then(function(response) { if (!response["ok"]) { throw "failed to load wasm binary file at '" + wasmBinaryFile + "'" } return response["arrayBuffer"]() }).catch(function() { return getBinary(wasmBinaryFile) }) } } return Promise.resolve().then(function() { return getBinary(wasmBinaryFile) }) }

            function createWasm() {
                var info = { "a": asmLibraryArg };

                function receiveInstance(instance, module) {
                    var exports = instance.exports;
                    Module["asm"] = exports;
                    registerTlsInit(Module["asm"]["fi"]);
                    wasmTable = Module["asm"]["Uh"];
                    addOnInit(Module["asm"]["Th"]);
                    wasmModule = module;
                    if (!ENVIRONMENT_IS_PTHREAD) {
                        var numWorkersToLoad = PThread.unusedWorkers.length;
                        PThread.unusedWorkers.forEach(function(w) { PThread.loadWasmModuleToWorker(w, function() { if (!--numWorkersToLoad) removeRunDependency("wasm-instantiate") }) })
                    }
                }
                if (!ENVIRONMENT_IS_PTHREAD) { addRunDependency("wasm-instantiate") }

                function receiveInstantiationResult(result) { receiveInstance(result["instance"], result["module"]) }

                function instantiateArrayBuffer(receiver) {
                    return getBinaryPromise().then(function(binary) { return WebAssembly.instantiate(binary, info) }).then(function(instance) { return instance }).then(receiver, function(reason) {
                        err("failed to asynchronously prepare wasm: " + reason);
                        abort(reason)
                    })
                }

                function instantiateAsync() {
                    if (!wasmBinary && typeof WebAssembly.instantiateStreaming == "function" && !isDataURI(wasmBinaryFile) && typeof fetch == "function") {
                        return fetch(wasmBinaryFile, { credentials: "same-origin" }).then(function(response) {
                            var result = WebAssembly.instantiateStreaming(response, info);
                            return result.then(receiveInstantiationResult, function(reason) {
                                err("wasm streaming compile failed: " + reason);
                                err("falling back to ArrayBuffer instantiation");
                                return instantiateArrayBuffer(receiveInstantiationResult)
                            })
                        })
                    } else { return instantiateArrayBuffer(receiveInstantiationResult) }
                }
                if (Module["instantiateWasm"]) { try { var exports = Module["instantiateWasm"](info, receiveInstance); return exports } catch (e) { err("Module.instantiateWasm callback failed with error: " + e); return false } }
                instantiateAsync().catch(readyPromiseReject);
                return {}
            }
            var tempDouble;
            var tempI64;
            var ASM_CONSTS = {};

            function callRuntimeCallbacks(callbacks) { while (callbacks.length > 0) { var callback = callbacks.shift(); if (typeof callback == "function") { callback(Module); continue } var func = callback.func; if (typeof func == "number") { if (callback.arg === undefined) { getWasmTableEntry(func)() } else { getWasmTableEntry(func)(callback.arg) } } else { func(callback.arg === undefined ? null : callback.arg) } } }

            function withStackSave(f) {
                var stack = stackSave();
                var ret = f();
                stackRestore(stack);
                return ret
            }

            function killThread(pthread_ptr) {
                GROWABLE_HEAP_I32()[pthread_ptr >> 2] = 0;
                var pthread = PThread.pthreads[pthread_ptr];
                delete PThread.pthreads[pthread_ptr];
                pthread.worker.terminate();
                __emscripten_thread_free_data(pthread_ptr);
                PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(pthread.worker), 1);
                pthread.worker.pthread = undefined
            }

            function cancelThread(pthread_ptr) {
                var pthread = PThread.pthreads[pthread_ptr];
                pthread.worker.postMessage({ "cmd": "cancel" })
            }

            function cleanupThread(pthread_ptr) {
                var pthread = PThread.pthreads[pthread_ptr];
                if (pthread) {
                    GROWABLE_HEAP_I32()[pthread_ptr >> 2] = 0;
                    var worker = pthread.worker;
                    PThread.returnWorkerToPool(worker)
                }
            }

            function zeroMemory(address, size) { GROWABLE_HEAP_U8().fill(0, address, address + size) }

            function _exit(status) { exit(status) }

            function handleException(e) {
                if (e instanceof ExitStatus || e == "unwind") { return EXITSTATUS }
                quit_(1, e)
            }
            var PThread = {
                unusedWorkers: [],
                runningWorkers: [],
                tlsInitFunctions: [],
                init: function() { if (ENVIRONMENT_IS_PTHREAD) { PThread.initWorker() } else { PThread.initMainThread() } },
                initMainThread: function() { var pthreadPoolSize = 8; for (var i = 0; i < pthreadPoolSize; ++i) { PThread.allocateUnusedWorker() } },
                initWorker: function() { noExitRuntime = false },
                pthreads: {},
                setExitStatus: function(status) { EXITSTATUS = status },
                terminateAllThreads: function() {
                    for (var t in PThread.pthreads) { var pthread = PThread.pthreads[t]; if (pthread && pthread.worker) { PThread.returnWorkerToPool(pthread.worker) } }
                    for (var i = 0; i < PThread.unusedWorkers.length; ++i) {
                        var worker = PThread.unusedWorkers[i];
                        worker.terminate()
                    }
                    PThread.unusedWorkers = []
                },
                returnWorkerToPool: function(worker) {
                    PThread.runWithoutMainThreadQueuedCalls(function() {
                        delete PThread.pthreads[worker.pthread.threadInfoStruct];
                        PThread.unusedWorkers.push(worker);
                        PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker), 1);
                        __emscripten_thread_free_data(worker.pthread.threadInfoStruct);
                        worker.pthread = undefined
                    })
                },
                runWithoutMainThreadQueuedCalls: function(func) { GROWABLE_HEAP_I32()[__emscripten_allow_main_runtime_queued_calls >> 2] = 0; try { func() } finally { GROWABLE_HEAP_I32()[__emscripten_allow_main_runtime_queued_calls >> 2] = 1 } },
                receiveObjectTransfer: function(data) {},
                threadInit: function() { for (var i in PThread.tlsInitFunctions) { if (PThread.tlsInitFunctions.hasOwnProperty(i)) PThread.tlsInitFunctions[i]() } },
                loadWasmModuleToWorker: function(worker, onFinishedLoading) {
                    worker.onmessage = (e => {
                        var d = e["data"];
                        var cmd = d["cmd"];
                        if (worker.pthread) PThread.currentProxiedOperationCallerThread = worker.pthread.threadInfoStruct;
                        if (d["targetThread"] && d["targetThread"] != _pthread_self()) {
                            var thread = PThread.pthreads[d.targetThread];
                            if (thread) { thread.worker.postMessage(d, d["transferList"]) } else { err('Internal error! Worker sent a message "' + cmd + '" to target pthread ' + d["targetThread"] + ", but that thread no longer exists!") }
                            PThread.currentProxiedOperationCallerThread = undefined;
                            return
                        }
                        if (cmd === "processQueuedMainThreadWork") { _emscripten_main_thread_process_queued_calls() } else if (cmd === "spawnThread") { spawnThread(d) } else if (cmd === "cleanupThread") { cleanupThread(d["thread"]) } else if (cmd === "killThread") { killThread(d["thread"]) } else if (cmd === "cancelThread") { cancelThread(d["thread"]) } else if (cmd === "loaded") {
                            worker.loaded = true;
                            if (onFinishedLoading) onFinishedLoading(worker);
                            if (worker.runPthread) {
                                worker.runPthread();
                                delete worker.runPthread
                            }
                        } else if (cmd === "print") { out("Thread " + d["threadId"] + ": " + d["text"]) } else if (cmd === "printErr") { err("Thread " + d["threadId"] + ": " + d["text"]) } else if (cmd === "alert") { alert("Thread " + d["threadId"] + ": " + d["text"]) } else if (d.target === "setimmediate") { worker.postMessage(d) } else if (cmd === "onAbort") { if (Module["onAbort"]) { Module["onAbort"](d["arg"]) } } else { err("worker sent an unknown command " + cmd) }
                        PThread.currentProxiedOperationCallerThread = undefined
                    });
                    worker.onerror = (e => {
                        var message = "worker sent an error!";
                        err(message + " " + e.filename + ":" + e.lineno + ": " + e.message);
                        throw e
                    });
                    worker.postMessage({ "cmd": "load", "urlOrBlob": Module["mainScriptUrlOrBlob"] || _scriptDir, "wasmMemory": wasmMemory, "wasmModule": wasmModule })
                },
                allocateUnusedWorker: function() {
                    var pthreadMainJs = locateFile("godot.javascript.opt.tools.threads.worker.js");
                    PThread.unusedWorkers.push(new Worker(pthreadMainJs))
                },
                getNewWorker: function() {
                    if (PThread.unusedWorkers.length == 0) {
                        PThread.allocateUnusedWorker();
                        PThread.loadWasmModuleToWorker(PThread.unusedWorkers[0])
                    }
                    return PThread.unusedWorkers.pop()
                }
            };

            function establishStackSpace() {
                var pthread_ptr = _pthread_self();
                var stackTop = GROWABLE_HEAP_I32()[pthread_ptr + 44 >> 2];
                var stackSize = GROWABLE_HEAP_I32()[pthread_ptr + 48 >> 2];
                var stackMax = stackTop - stackSize;
                _emscripten_stack_set_limits(stackTop, stackMax);
                stackRestore(stackTop)
            }
            Module["establishStackSpace"] = establishStackSpace;

            function exitOnMainThread(returnCode) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(1, 0, returnCode); try { _exit(returnCode) } catch (e) { handleException(e) } }

            function getWasmTableEntry(funcPtr) { return wasmTable.get(funcPtr) }

            function invokeEntryPoint(ptr, arg) { return getWasmTableEntry(ptr)(arg) }
            Module["invokeEntryPoint"] = invokeEntryPoint;

            function registerTlsInit(tlsInitFunc) { PThread.tlsInitFunctions.push(tlsInitFunc) }

            function ___assert_fail(condition, filename, line, func) { abort("Assertion failed: " + UTF8ToString(condition) + ", at: " + [filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function"]) }

            function ___call_sighandler(fp, sig) { getWasmTableEntry(fp)(sig) }
            var _emscripten_get_now;
            if (ENVIRONMENT_IS_PTHREAD) { _emscripten_get_now = (() => performance.now() - Module["__performance_now_clock_drift"]) } else _emscripten_get_now = (() => performance.now());
            var _emscripten_get_now_is_monotonic = true;

            function setErrNo(value) { GROWABLE_HEAP_I32()[___errno_location() >> 2] = value; return value }

            function _clock_gettime(clk_id, tp) {
                var now;
                if (clk_id === 0) { now = Date.now() } else if ((clk_id === 1 || clk_id === 4) && _emscripten_get_now_is_monotonic) { now = _emscripten_get_now() } else { setErrNo(28); return -1 }
                GROWABLE_HEAP_I32()[tp >> 2] = now / 1e3 | 0;
                GROWABLE_HEAP_I32()[tp + 4 >> 2] = now % 1e3 * 1e3 * 1e3 | 0;
                return 0
            }

            function ___cxa_allocate_exception(size) { return _malloc(size + 16) + 16 }

            function ExceptionInfo(excPtr) {
                this.excPtr = excPtr;
                this.ptr = excPtr - 16;
                this.set_type = function(type) { GROWABLE_HEAP_I32()[this.ptr + 4 >> 2] = type };
                this.get_type = function() { return GROWABLE_HEAP_I32()[this.ptr + 4 >> 2] };
                this.set_destructor = function(destructor) { GROWABLE_HEAP_I32()[this.ptr + 8 >> 2] = destructor };
                this.get_destructor = function() { return GROWABLE_HEAP_I32()[this.ptr + 8 >> 2] };
                this.set_refcount = function(refcount) { GROWABLE_HEAP_I32()[this.ptr >> 2] = refcount };
                this.set_caught = function(caught) {
                    caught = caught ? 1 : 0;
                    GROWABLE_HEAP_I8()[this.ptr + 12 >> 0] = caught
                };
                this.get_caught = function() { return GROWABLE_HEAP_I8()[this.ptr + 12 >> 0] != 0 };
                this.set_rethrown = function(rethrown) {
                    rethrown = rethrown ? 1 : 0;
                    GROWABLE_HEAP_I8()[this.ptr + 13 >> 0] = rethrown
                };
                this.get_rethrown = function() { return GROWABLE_HEAP_I8()[this.ptr + 13 >> 0] != 0 };
                this.init = function(type, destructor) {
                    this.set_type(type);
                    this.set_destructor(destructor);
                    this.set_refcount(0);
                    this.set_caught(false);
                    this.set_rethrown(false)
                };
                this.add_ref = function() { Atomics.add(GROWABLE_HEAP_I32(), this.ptr + 0 >> 2, 1) };
                this.release_ref = function() { var prev = Atomics.sub(GROWABLE_HEAP_I32(), this.ptr + 0 >> 2, 1); return prev === 1 }
            }
            var exceptionLast = 0;
            var uncaughtExceptionCount = 0;

            function ___cxa_throw(ptr, type, destructor) {
                var info = new ExceptionInfo(ptr);
                info.init(type, destructor);
                exceptionLast = ptr;
                uncaughtExceptionCount++;
                throw ptr
            }

            function ___emscripten_init_main_thread_js(tb) {
                __emscripten_thread_init(tb, !ENVIRONMENT_IS_WORKER, 1, !ENVIRONMENT_IS_WEB);
                PThread.threadInit()
            }

            function ___emscripten_thread_cleanup(thread) {
                if (!ENVIRONMENT_IS_PTHREAD) cleanupThread(thread);
                else postMessage({ "cmd": "cleanupThread", "thread": thread })
            }

            function spawnThread(threadParams) {
                var worker = PThread.getNewWorker();
                if (!worker) { return 6 }
                PThread.runningWorkers.push(worker);
                var pthread = PThread.pthreads[threadParams.pthread_ptr] = { worker: worker, threadInfoStruct: threadParams.pthread_ptr };
                worker.pthread = pthread;
                var msg = { "cmd": "run", "start_routine": threadParams.startRoutine, "arg": threadParams.arg, "threadInfoStruct": threadParams.pthread_ptr };
                worker.runPthread = (() => {
                    msg.time = performance.now();
                    worker.postMessage(msg, threadParams.transferList)
                });
                if (worker.loaded) {
                    worker.runPthread();
                    delete worker.runPthread
                }
                return 0
            }

            function ___pthread_create_js(pthread_ptr, attr, start_routine, arg) {
                if (typeof SharedArrayBuffer == "undefined") { err("Current environment does not support SharedArrayBuffer, pthreads are not available!"); return 6 }
                var transferList = [];
                var error = 0;
                if (ENVIRONMENT_IS_PTHREAD && (transferList.length === 0 || error)) { return _emscripten_sync_run_in_main_thread_4(687865856, pthread_ptr, attr, start_routine, arg) }
                if (error) return error;
                var threadParams = { startRoutine: start_routine, pthread_ptr: pthread_ptr, arg: arg, transferList: transferList };
                if (ENVIRONMENT_IS_PTHREAD) {
                    threadParams.cmd = "spawnThread";
                    postMessage(threadParams, transferList);
                    return 0
                }
                return spawnThread(threadParams)
            }
            var PATH = {
                splitPath: function(filename) { var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; return splitPathRe.exec(filename).slice(1) },
                normalizeArray: function(parts, allowAboveRoot) {
                    var up = 0;
                    for (var i = parts.length - 1; i >= 0; i--) {
                        var last = parts[i];
                        if (last === ".") { parts.splice(i, 1) } else if (last === "..") {
                            parts.splice(i, 1);
                            up++
                        } else if (up) {
                            parts.splice(i, 1);
                            up--
                        }
                    }
                    if (allowAboveRoot) { for (; up; up--) { parts.unshift("..") } }
                    return parts
                },
                normalize: function(path) {
                    var isAbsolute = path.charAt(0) === "/",
                        trailingSlash = path.substr(-1) === "/";
                    path = PATH.normalizeArray(path.split("/").filter(function(p) { return !!p }), !isAbsolute).join("/");
                    if (!path && !isAbsolute) { path = "." }
                    if (path && trailingSlash) { path += "/" }
                    return (isAbsolute ? "/" : "") + path
                },
                dirname: function(path) {
                    var result = PATH.splitPath(path),
                        root = result[0],
                        dir = result[1];
                    if (!root && !dir) { return "." }
                    if (dir) { dir = dir.substr(0, dir.length - 1) }
                    return root + dir
                },
                basename: function(path) {
                    if (path === "/") return "/";
                    path = PATH.normalize(path);
                    path = path.replace(/\/$/, "");
                    var lastSlash = path.lastIndexOf("/");
                    if (lastSlash === -1) return path;
                    return path.substr(lastSlash + 1)
                },
                extname: function(path) { return PATH.splitPath(path)[3] },
                join: function() { var paths = Array.prototype.slice.call(arguments, 0); return PATH.normalize(paths.join("/")) },
                join2: function(l, r) { return PATH.normalize(l + "/" + r) }
            };

            function getRandomDevice() { if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") { var randomBuffer = new Uint8Array(1); return function() { crypto.getRandomValues(randomBuffer); return randomBuffer[0] } } else return function() { abort("randomDevice") } }
            var PATH_FS = {
                resolve: function() {
                    var resolvedPath = "",
                        resolvedAbsolute = false;
                    for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
                        var path = i >= 0 ? arguments[i] : FS.cwd();
                        if (typeof path != "string") { throw new TypeError("Arguments to path.resolve must be strings") } else if (!path) { return "" }
                        resolvedPath = path + "/" + resolvedPath;
                        resolvedAbsolute = path.charAt(0) === "/"
                    }
                    resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(function(p) { return !!p }), !resolvedAbsolute).join("/");
                    return (resolvedAbsolute ? "/" : "") + resolvedPath || "."
                },
                relative: function(from, to) {
                    from = PATH_FS.resolve(from).substr(1);
                    to = PATH_FS.resolve(to).substr(1);

                    function trim(arr) { var start = 0; for (; start < arr.length; start++) { if (arr[start] !== "") break } var end = arr.length - 1; for (; end >= 0; end--) { if (arr[end] !== "") break } if (start > end) return []; return arr.slice(start, end - start + 1) }
                    var fromParts = trim(from.split("/"));
                    var toParts = trim(to.split("/"));
                    var length = Math.min(fromParts.length, toParts.length);
                    var samePartsLength = length;
                    for (var i = 0; i < length; i++) { if (fromParts[i] !== toParts[i]) { samePartsLength = i; break } }
                    var outputParts = [];
                    for (var i = samePartsLength; i < fromParts.length; i++) { outputParts.push("..") }
                    outputParts = outputParts.concat(toParts.slice(samePartsLength));
                    return outputParts.join("/")
                }
            };
            var TTY = {
                ttys: [],
                init: function() {},
                shutdown: function() {},
                register: function(dev, ops) {
                    TTY.ttys[dev] = { input: [], output: [], ops: ops };
                    FS.registerDevice(dev, TTY.stream_ops)
                },
                stream_ops: {
                    open: function(stream) {
                        var tty = TTY.ttys[stream.node.rdev];
                        if (!tty) { throw new FS.ErrnoError(43) }
                        stream.tty = tty;
                        stream.seekable = false
                    },
                    close: function(stream) { stream.tty.ops.flush(stream.tty) },
                    flush: function(stream) { stream.tty.ops.flush(stream.tty) },
                    read: function(stream, buffer, offset, length, pos) {
                        if (!stream.tty || !stream.tty.ops.get_char) { throw new FS.ErrnoError(60) }
                        var bytesRead = 0;
                        for (var i = 0; i < length; i++) {
                            var result;
                            try { result = stream.tty.ops.get_char(stream.tty) } catch (e) { throw new FS.ErrnoError(29) }
                            if (result === undefined && bytesRead === 0) { throw new FS.ErrnoError(6) }
                            if (result === null || result === undefined) break;
                            bytesRead++;
                            buffer[offset + i] = result
                        }
                        if (bytesRead) { stream.node.timestamp = Date.now() }
                        return bytesRead
                    },
                    write: function(stream, buffer, offset, length, pos) { if (!stream.tty || !stream.tty.ops.put_char) { throw new FS.ErrnoError(60) } try { for (var i = 0; i < length; i++) { stream.tty.ops.put_char(stream.tty, buffer[offset + i]) } } catch (e) { throw new FS.ErrnoError(29) } if (length) { stream.node.timestamp = Date.now() } return i }
                },
                default_tty_ops: {
                    get_char: function(tty) {
                        if (!tty.input.length) {
                            var result = null;
                            if (typeof window != "undefined" && typeof window.prompt == "function") { result = window.prompt("Input: "); if (result !== null) { result += "\n" } } else if (typeof readline == "function") { result = readline(); if (result !== null) { result += "\n" } }
                            if (!result) { return null }
                            tty.input = intArrayFromString(result, true)
                        }
                        return tty.input.shift()
                    },
                    put_char: function(tty, val) {
                        if (val === null || val === 10) {
                            out(UTF8ArrayToString(tty.output, 0));
                            tty.output = []
                        } else { if (val != 0) tty.output.push(val) }
                    },
                    flush: function(tty) {
                        if (tty.output && tty.output.length > 0) {
                            out(UTF8ArrayToString(tty.output, 0));
                            tty.output = []
                        }
                    }
                },
                default_tty1_ops: {
                    put_char: function(tty, val) {
                        if (val === null || val === 10) {
                            err(UTF8ArrayToString(tty.output, 0));
                            tty.output = []
                        } else { if (val != 0) tty.output.push(val) }
                    },
                    flush: function(tty) {
                        if (tty.output && tty.output.length > 0) {
                            err(UTF8ArrayToString(tty.output, 0));
                            tty.output = []
                        }
                    }
                }
            };

            function alignMemory(size, alignment) { return Math.ceil(size / alignment) * alignment }

            function mmapAlloc(size) {
                size = alignMemory(size, 65536);
                var ptr = _emscripten_builtin_memalign(65536, size);
                if (!ptr) return 0;
                zeroMemory(ptr, size);
                return ptr
            }
            var MEMFS = {
                ops_table: null,
                mount: function(mount) { return MEMFS.createNode(null, "/", 16384 | 511, 0) },
                createNode: function(parent, name, mode, dev) {
                    if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { throw new FS.ErrnoError(63) }
                    if (!MEMFS.ops_table) { MEMFS.ops_table = { dir: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr, lookup: MEMFS.node_ops.lookup, mknod: MEMFS.node_ops.mknod, rename: MEMFS.node_ops.rename, unlink: MEMFS.node_ops.unlink, rmdir: MEMFS.node_ops.rmdir, readdir: MEMFS.node_ops.readdir, symlink: MEMFS.node_ops.symlink }, stream: { llseek: MEMFS.stream_ops.llseek } }, file: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr }, stream: { llseek: MEMFS.stream_ops.llseek, read: MEMFS.stream_ops.read, write: MEMFS.stream_ops.write, allocate: MEMFS.stream_ops.allocate, mmap: MEMFS.stream_ops.mmap, msync: MEMFS.stream_ops.msync } }, link: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr, readlink: MEMFS.node_ops.readlink }, stream: {} }, chrdev: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr }, stream: FS.chrdev_stream_ops } } }
                    var node = FS.createNode(parent, name, mode, dev);
                    if (FS.isDir(node.mode)) {
                        node.node_ops = MEMFS.ops_table.dir.node;
                        node.stream_ops = MEMFS.ops_table.dir.stream;
                        node.contents = {}
                    } else if (FS.isFile(node.mode)) {
                        node.node_ops = MEMFS.ops_table.file.node;
                        node.stream_ops = MEMFS.ops_table.file.stream;
                        node.usedBytes = 0;
                        node.contents = null
                    } else if (FS.isLink(node.mode)) {
                        node.node_ops = MEMFS.ops_table.link.node;
                        node.stream_ops = MEMFS.ops_table.link.stream
                    } else if (FS.isChrdev(node.mode)) {
                        node.node_ops = MEMFS.ops_table.chrdev.node;
                        node.stream_ops = MEMFS.ops_table.chrdev.stream
                    }
                    node.timestamp = Date.now();
                    if (parent) {
                        parent.contents[name] = node;
                        parent.timestamp = node.timestamp
                    }
                    return node
                },
                getFileDataAsTypedArray: function(node) { if (!node.contents) return new Uint8Array(0); if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); return new Uint8Array(node.contents) },
                expandFileStorage: function(node, newCapacity) {
                    var prevCapacity = node.contents ? node.contents.length : 0;
                    if (prevCapacity >= newCapacity) return;
                    var CAPACITY_DOUBLING_MAX = 1024 * 1024;
                    newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
                    if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
                    var oldContents = node.contents;
                    node.contents = new Uint8Array(newCapacity);
                    if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0)
                },
                resizeFileStorage: function(node, newSize) {
                    if (node.usedBytes == newSize) return;
                    if (newSize == 0) {
                        node.contents = null;
                        node.usedBytes = 0
                    } else {
                        var oldContents = node.contents;
                        node.contents = new Uint8Array(newSize);
                        if (oldContents) { node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))) }
                        node.usedBytes = newSize
                    }
                },
                node_ops: {
                    getattr: function(node) {
                        var attr = {};
                        attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
                        attr.ino = node.id;
                        attr.mode = node.mode;
                        attr.nlink = 1;
                        attr.uid = 0;
                        attr.gid = 0;
                        attr.rdev = node.rdev;
                        if (FS.isDir(node.mode)) { attr.size = 4096 } else if (FS.isFile(node.mode)) { attr.size = node.usedBytes } else if (FS.isLink(node.mode)) { attr.size = node.link.length } else { attr.size = 0 }
                        attr.atime = new Date(node.timestamp);
                        attr.mtime = new Date(node.timestamp);
                        attr.ctime = new Date(node.timestamp);
                        attr.blksize = 4096;
                        attr.blocks = Math.ceil(attr.size / attr.blksize);
                        return attr
                    },
                    setattr: function(node, attr) { if (attr.mode !== undefined) { node.mode = attr.mode } if (attr.timestamp !== undefined) { node.timestamp = attr.timestamp } if (attr.size !== undefined) { MEMFS.resizeFileStorage(node, attr.size) } },
                    lookup: function(parent, name) { throw FS.genericErrors[44] },
                    mknod: function(parent, name, mode, dev) { return MEMFS.createNode(parent, name, mode, dev) },
                    rename: function(old_node, new_dir, new_name) {
                        if (FS.isDir(old_node.mode)) { var new_node; try { new_node = FS.lookupNode(new_dir, new_name) } catch (e) {} if (new_node) { for (var i in new_node.contents) { throw new FS.ErrnoError(55) } } }
                        delete old_node.parent.contents[old_node.name];
                        old_node.parent.timestamp = Date.now();
                        old_node.name = new_name;
                        new_dir.contents[new_name] = old_node;
                        new_dir.timestamp = old_node.parent.timestamp;
                        old_node.parent = new_dir
                    },
                    unlink: function(parent, name) {
                        delete parent.contents[name];
                        parent.timestamp = Date.now()
                    },
                    rmdir: function(parent, name) {
                        var node = FS.lookupNode(parent, name);
                        for (var i in node.contents) { throw new FS.ErrnoError(55) }
                        delete parent.contents[name];
                        parent.timestamp = Date.now()
                    },
                    readdir: function(node) {
                        var entries = [".", ".."];
                        for (var key in node.contents) {
                            if (!node.contents.hasOwnProperty(key)) { continue }
                            entries.push(key)
                        }
                        return entries
                    },
                    symlink: function(parent, newname, oldpath) {
                        var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
                        node.link = oldpath;
                        return node
                    },
                    readlink: function(node) { if (!FS.isLink(node.mode)) { throw new FS.ErrnoError(28) } return node.link }
                },
                stream_ops: {
                    read: function(stream, buffer, offset, length, position) { var contents = stream.node.contents; if (position >= stream.node.usedBytes) return 0; var size = Math.min(stream.node.usedBytes - position, length); if (size > 8 && contents.subarray) { buffer.set(contents.subarray(position, position + size), offset) } else { for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i] } return size },
                    write: function(stream, buffer, offset, length, position, canOwn) {
                        if (buffer.buffer === GROWABLE_HEAP_I8().buffer) { canOwn = false }
                        if (!length) return 0;
                        var node = stream.node;
                        node.timestamp = Date.now();
                        if (buffer.subarray && (!node.contents || node.contents.subarray)) {
                            if (canOwn) {
                                node.contents = buffer.subarray(offset, offset + length);
                                node.usedBytes = length;
                                return length
                            } else if (node.usedBytes === 0 && position === 0) {
                                node.contents = buffer.slice(offset, offset + length);
                                node.usedBytes = length;
                                return length
                            } else if (position + length <= node.usedBytes) { node.contents.set(buffer.subarray(offset, offset + length), position); return length }
                        }
                        MEMFS.expandFileStorage(node, position + length);
                        if (node.contents.subarray && buffer.subarray) { node.contents.set(buffer.subarray(offset, offset + length), position) } else { for (var i = 0; i < length; i++) { node.contents[position + i] = buffer[offset + i] } }
                        node.usedBytes = Math.max(node.usedBytes, position + length);
                        return length
                    },
                    llseek: function(stream, offset, whence) { var position = offset; if (whence === 1) { position += stream.position } else if (whence === 2) { if (FS.isFile(stream.node.mode)) { position += stream.node.usedBytes } } if (position < 0) { throw new FS.ErrnoError(28) } return position },
                    allocate: function(stream, offset, length) {
                        MEMFS.expandFileStorage(stream.node, offset + length);
                        stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length)
                    },
                    mmap: function(stream, address, length, position, prot, flags) {
                        if (address !== 0) { throw new FS.ErrnoError(28) }
                        if (!FS.isFile(stream.node.mode)) { throw new FS.ErrnoError(43) }
                        var ptr;
                        var allocated;
                        var contents = stream.node.contents;
                        if (!(flags & 2) && contents.buffer === buffer) {
                            allocated = false;
                            ptr = contents.byteOffset
                        } else {
                            if (position > 0 || position + length < contents.length) { if (contents.subarray) { contents = contents.subarray(position, position + length) } else { contents = Array.prototype.slice.call(contents, position, position + length) } }
                            allocated = true;
                            ptr = mmapAlloc(length);
                            if (!ptr) { throw new FS.ErrnoError(48) }
                            GROWABLE_HEAP_I8().set(contents, ptr)
                        }
                        return { ptr: ptr, allocated: allocated }
                    },
                    msync: function(stream, buffer, offset, length, mmapFlags) { if (!FS.isFile(stream.node.mode)) { throw new FS.ErrnoError(43) } if (mmapFlags & 2) { return 0 } var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); return 0 }
                }
            };

            function asyncLoad(url, onload, onerror, noRunDep) {
                var dep = !noRunDep ? getUniqueRunDependency("al " + url) : "";
                readAsync(url, function(arrayBuffer) {
                    assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
                    onload(new Uint8Array(arrayBuffer));
                    if (dep) removeRunDependency(dep)
                }, function(event) { if (onerror) { onerror() } else { throw 'Loading data file "' + url + '" failed.' } });
                if (dep) addRunDependency(dep)
            }
            var IDBFS = {
                dbs: {},
                indexedDB: () => {
                    if (typeof indexedDB != "undefined") return indexedDB;
                    var ret = null;
                    if (typeof window == "object") ret = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
                    assert(ret, "IDBFS used, but indexedDB not supported");
                    return ret
                },
                DB_VERSION: 21,
                DB_STORE_NAME: "FILE_DATA",
                mount: function(mount) { return MEMFS.mount.apply(null, arguments) },
                syncfs: (mount, populate, callback) => {
                    IDBFS.getLocalSet(mount, (err, local) => {
                        if (err) return callback(err);
                        IDBFS.getRemoteSet(mount, (err, remote) => {
                            if (err) return callback(err);
                            var src = populate ? remote : local;
                            var dst = populate ? local : remote;
                            IDBFS.reconcile(src, dst, callback)
                        })
                    })
                },
                getDB: (name, callback) => {
                    var db = IDBFS.dbs[name];
                    if (db) { return callback(null, db) }
                    var req;
                    try { req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION) } catch (e) { return callback(e) }
                    if (!req) { return callback("Unable to connect to IndexedDB") }
                    req.onupgradeneeded = (e => { var db = e.target.result; var transaction = e.target.transaction; var fileStore; if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) { fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME) } else { fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME) } if (!fileStore.indexNames.contains("timestamp")) { fileStore.createIndex("timestamp", "timestamp", { unique: false }) } });
                    req.onsuccess = (() => {
                        db = req.result;
                        IDBFS.dbs[name] = db;
                        callback(null, db)
                    });
                    req.onerror = (e => {
                        callback(this.error);
                        e.preventDefault()
                    })
                },
                getLocalSet: (mount, callback) => {
                    var entries = {};

                    function isRealDir(p) { return p !== "." && p !== ".." }

                    function toAbsolute(root) { return p => { return PATH.join2(root, p) } }
                    var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));
                    while (check.length) {
                        var path = check.pop();
                        var stat;
                        try { stat = FS.stat(path) } catch (e) { return callback(e) }
                        if (FS.isDir(stat.mode)) { check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbsolute(path))) }
                        entries[path] = { "timestamp": stat.mtime }
                    }
                    return callback(null, { type: "local", entries: entries })
                },
                getRemoteSet: (mount, callback) => {
                    var entries = {};
                    IDBFS.getDB(mount.mountpoint, (err, db) => {
                        if (err) return callback(err);
                        try {
                            var transaction = db.transaction([IDBFS.DB_STORE_NAME], "readonly");
                            transaction.onerror = (e => {
                                callback(this.error);
                                e.preventDefault()
                            });
                            var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
                            var index = store.index("timestamp");
                            index.openKeyCursor().onsuccess = (event => {
                                var cursor = event.target.result;
                                if (!cursor) { return callback(null, { type: "remote", db: db, entries: entries }) }
                                entries[cursor.primaryKey] = { "timestamp": cursor.key };
                                cursor.continue()
                            })
                        } catch (e) { return callback(e) }
                    })
                },
                loadLocalEntry: (path, callback) => {
                    var stat, node;
                    try {
                        var lookup = FS.lookupPath(path);
                        node = lookup.node;
                        stat = FS.stat(path)
                    } catch (e) { return callback(e) }
                    if (FS.isDir(stat.mode)) { return callback(null, { "timestamp": stat.mtime, "mode": stat.mode }) } else if (FS.isFile(stat.mode)) { node.contents = MEMFS.getFileDataAsTypedArray(node); return callback(null, { "timestamp": stat.mtime, "mode": stat.mode, "contents": node.contents }) } else { return callback(new Error("node type not supported")) }
                },
                storeLocalEntry: (path, entry, callback) => {
                    try {
                        if (FS.isDir(entry["mode"])) { FS.mkdirTree(path, entry["mode"]) } else if (FS.isFile(entry["mode"])) { FS.writeFile(path, entry["contents"], { canOwn: true }) } else { return callback(new Error("node type not supported")) }
                        FS.chmod(path, entry["mode"]);
                        FS.utime(path, entry["timestamp"], entry["timestamp"])
                    } catch (e) { return callback(e) }
                    callback(null)
                },
                removeLocalEntry: (path, callback) => {
                    try { var lookup = FS.lookupPath(path); var stat = FS.stat(path); if (FS.isDir(stat.mode)) { FS.rmdir(path) } else if (FS.isFile(stat.mode)) { FS.unlink(path) } } catch (e) { return callback(e) }
                    callback(null)
                },
                loadRemoteEntry: (store, path, callback) => {
                    var req = store.get(path);
                    req.onsuccess = (event => { callback(null, event.target.result) });
                    req.onerror = (e => {
                        callback(this.error);
                        e.preventDefault()
                    })
                },
                storeRemoteEntry: (store, path, entry, callback) => {
                    try { var req = store.put(entry, path) } catch (e) { callback(e); return }
                    req.onsuccess = (() => { callback(null) });
                    req.onerror = (e => {
                        callback(this.error);
                        e.preventDefault()
                    })
                },
                removeRemoteEntry: (store, path, callback) => {
                    var req = store.delete(path);
                    req.onsuccess = (() => { callback(null) });
                    req.onerror = (e => {
                        callback(this.error);
                        e.preventDefault()
                    })
                },
                reconcile: (src, dst, callback) => {
                    var total = 0;
                    var create = [];
                    Object.keys(src.entries).forEach(function(key) {
                        var e = src.entries[key];
                        var e2 = dst.entries[key];
                        if (!e2 || e["timestamp"].getTime() != e2["timestamp"].getTime()) {
                            create.push(key);
                            total++
                        }
                    });
                    var remove = [];
                    Object.keys(dst.entries).forEach(function(key) {
                        if (!src.entries[key]) {
                            remove.push(key);
                            total++
                        }
                    });
                    if (!total) { return callback(null) }
                    var errored = false;
                    var db = src.type === "remote" ? src.db : dst.db;
                    var transaction = db.transaction([IDBFS.DB_STORE_NAME], "readwrite");
                    var store = transaction.objectStore(IDBFS.DB_STORE_NAME);

                    function done(err) { if (err && !errored) { errored = true; return callback(err) } }
                    transaction.onerror = (e => {
                        done(this.error);
                        e.preventDefault()
                    });
                    transaction.oncomplete = (e => { if (!errored) { callback(null) } });
                    create.sort().forEach(path => {
                        if (dst.type === "local") {
                            IDBFS.loadRemoteEntry(store, path, (err, entry) => {
                                if (err) return done(err);
                                IDBFS.storeLocalEntry(path, entry, done)
                            })
                        } else {
                            IDBFS.loadLocalEntry(path, (err, entry) => {
                                if (err) return done(err);
                                IDBFS.storeRemoteEntry(store, path, entry, done)
                            })
                        }
                    });
                    remove.sort().reverse().forEach(path => { if (dst.type === "local") { IDBFS.removeLocalEntry(path, done) } else { IDBFS.removeRemoteEntry(store, path, done) } })
                }
            };
            var FS = {
                root: null,
                mounts: [],
                devices: {},
                streams: [],
                nextInode: 1,
                nameTable: null,
                currentPath: "/",
                initialized: false,
                ignorePermissions: true,
                ErrnoError: null,
                genericErrors: {},
                filesystems: null,
                syncFSRequests: 0,
                lookupPath: (path, opts = {}) => {
                    path = PATH_FS.resolve(FS.cwd(), path);
                    if (!path) return { path: "", node: null };
                    var defaults = { follow_mount: true, recurse_count: 0 };
                    opts = Object.assign(defaults, opts);
                    if (opts.recurse_count > 8) { throw new FS.ErrnoError(32) }
                    var parts = PATH.normalizeArray(path.split("/").filter(p => !!p), false);
                    var current = FS.root;
                    var current_path = "/";
                    for (var i = 0; i < parts.length; i++) {
                        var islast = i === parts.length - 1;
                        if (islast && opts.parent) { break }
                        current = FS.lookupNode(current, parts[i]);
                        current_path = PATH.join2(current_path, parts[i]);
                        if (FS.isMountpoint(current)) { if (!islast || islast && opts.follow_mount) { current = current.mounted.root } }
                        if (!islast || opts.follow) {
                            var count = 0;
                            while (FS.isLink(current.mode)) {
                                var link = FS.readlink(current_path);
                                current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
                                var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count + 1 });
                                current = lookup.node;
                                if (count++ > 40) { throw new FS.ErrnoError(32) }
                            }
                        }
                    }
                    return { path: current_path, node: current }
                },
                getPath: node => {
                    var path;
                    while (true) {
                        if (FS.isRoot(node)) { var mount = node.mount.mountpoint; if (!path) return mount; return mount[mount.length - 1] !== "/" ? mount + "/" + path : mount + path }
                        path = path ? node.name + "/" + path : node.name;
                        node = node.parent
                    }
                },
                hashName: (parentid, name) => { var hash = 0; for (var i = 0; i < name.length; i++) { hash = (hash << 5) - hash + name.charCodeAt(i) | 0 } return (parentid + hash >>> 0) % FS.nameTable.length },
                hashAddNode: node => {
                    var hash = FS.hashName(node.parent.id, node.name);
                    node.name_next = FS.nameTable[hash];
                    FS.nameTable[hash] = node
                },
                hashRemoveNode: node => {
                    var hash = FS.hashName(node.parent.id, node.name);
                    if (FS.nameTable[hash] === node) { FS.nameTable[hash] = node.name_next } else {
                        var current = FS.nameTable[hash];
                        while (current) {
                            if (current.name_next === node) { current.name_next = node.name_next; break }
                            current = current.name_next
                        }
                    }
                },
                lookupNode: (parent, name) => { var errCode = FS.mayLookup(parent); if (errCode) { throw new FS.ErrnoError(errCode, parent) } var hash = FS.hashName(parent.id, name); for (var node = FS.nameTable[hash]; node; node = node.name_next) { var nodeName = node.name; if (node.parent.id === parent.id && nodeName === name) { return node } } return FS.lookup(parent, name) },
                createNode: (parent, name, mode, rdev) => {
                    var node = new FS.FSNode(parent, name, mode, rdev);
                    FS.hashAddNode(node);
                    return node
                },
                destroyNode: node => { FS.hashRemoveNode(node) },
                isRoot: node => { return node === node.parent },
                isMountpoint: node => { return !!node.mounted },
                isFile: mode => { return (mode & 61440) === 32768 },
                isDir: mode => { return (mode & 61440) === 16384 },
                isLink: mode => { return (mode & 61440) === 40960 },
                isChrdev: mode => { return (mode & 61440) === 8192 },
                isBlkdev: mode => { return (mode & 61440) === 24576 },
                isFIFO: mode => { return (mode & 61440) === 4096 },
                isSocket: mode => { return (mode & 49152) === 49152 },
                flagModes: { "r": 0, "r+": 2, "w": 577, "w+": 578, "a": 1089, "a+": 1090 },
                modeStringToFlags: str => { var flags = FS.flagModes[str]; if (typeof flags == "undefined") { throw new Error("Unknown file open mode: " + str) } return flags },
                flagsToPermissionString: flag => { var perms = ["r", "w", "rw"][flag & 3]; if (flag & 512) { perms += "w" } return perms },
                nodePermissions: (node, perms) => { if (FS.ignorePermissions) { return 0 } if (perms.includes("r") && !(node.mode & 292)) { return 2 } else if (perms.includes("w") && !(node.mode & 146)) { return 2 } else if (perms.includes("x") && !(node.mode & 73)) { return 2 } return 0 },
                mayLookup: dir => { var errCode = FS.nodePermissions(dir, "x"); if (errCode) return errCode; if (!dir.node_ops.lookup) return 2; return 0 },
                mayCreate: (dir, name) => { try { var node = FS.lookupNode(dir, name); return 20 } catch (e) {} return FS.nodePermissions(dir, "wx") },
                mayDelete: (dir, name, isdir) => { var node; try { node = FS.lookupNode(dir, name) } catch (e) { return e.errno } var errCode = FS.nodePermissions(dir, "wx"); if (errCode) { return errCode } if (isdir) { if (!FS.isDir(node.mode)) { return 54 } if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { return 10 } } else { if (FS.isDir(node.mode)) { return 31 } } return 0 },
                mayOpen: (node, flags) => { if (!node) { return 44 } if (FS.isLink(node.mode)) { return 32 } else if (FS.isDir(node.mode)) { if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) { return 31 } } return FS.nodePermissions(node, FS.flagsToPermissionString(flags)) },
                MAX_OPEN_FDS: 4096,
                nextfd: (fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => { for (var fd = fd_start; fd <= fd_end; fd++) { if (!FS.streams[fd]) { return fd } } throw new FS.ErrnoError(33) },
                getStream: fd => FS.streams[fd],
                createStream: (stream, fd_start, fd_end) => {
                    if (!FS.FSStream) {
                        FS.FSStream = function() {};
                        FS.FSStream.prototype = { object: { get: function() { return this.node }, set: function(val) { this.node = val } }, isRead: { get: function() { return (this.flags & 2097155) !== 1 } }, isWrite: { get: function() { return (this.flags & 2097155) !== 0 } }, isAppend: { get: function() { return this.flags & 1024 } } }
                    }
                    stream = Object.assign(new FS.FSStream, stream);
                    var fd = FS.nextfd(fd_start, fd_end);
                    stream.fd = fd;
                    FS.streams[fd] = stream;
                    return stream
                },
                closeStream: fd => { FS.streams[fd] = null },
                chrdev_stream_ops: {
                    open: stream => {
                        var device = FS.getDevice(stream.node.rdev);
                        stream.stream_ops = device.stream_ops;
                        if (stream.stream_ops.open) { stream.stream_ops.open(stream) }
                    },
                    llseek: () => { throw new FS.ErrnoError(70) }
                },
                major: dev => dev >> 8,
                minor: dev => dev & 255,
                makedev: (ma, mi) => ma << 8 | mi,
                registerDevice: (dev, ops) => { FS.devices[dev] = { stream_ops: ops } },
                getDevice: dev => FS.devices[dev],
                getMounts: mount => {
                    var mounts = [];
                    var check = [mount];
                    while (check.length) {
                        var m = check.pop();
                        mounts.push(m);
                        check.push.apply(check, m.mounts)
                    }
                    return mounts
                },
                syncfs: (populate, callback) => {
                    if (typeof populate == "function") {
                        callback = populate;
                        populate = false
                    }
                    FS.syncFSRequests++;
                    if (FS.syncFSRequests > 1) { err("warning: " + FS.syncFSRequests + " FS.syncfs operations in flight at once, probably just doing extra work") }
                    var mounts = FS.getMounts(FS.root.mount);
                    var completed = 0;

                    function doCallback(errCode) { FS.syncFSRequests--; return callback(errCode) }

                    function done(errCode) { if (errCode) { if (!done.errored) { done.errored = true; return doCallback(errCode) } return } if (++completed >= mounts.length) { doCallback(null) } }
                    mounts.forEach(mount => {
                        if (!mount.type.syncfs) { return done(null) }
                        mount.type.syncfs(mount, populate, done)
                    })
                },
                mount: (type, opts, mountpoint) => {
                    var root = mountpoint === "/";
                    var pseudo = !mountpoint;
                    var node;
                    if (root && FS.root) { throw new FS.ErrnoError(10) } else if (!root && !pseudo) {
                        var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
                        mountpoint = lookup.path;
                        node = lookup.node;
                        if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10) }
                        if (!FS.isDir(node.mode)) { throw new FS.ErrnoError(54) }
                    }
                    var mount = { type: type, opts: opts, mountpoint: mountpoint, mounts: [] };
                    var mountRoot = type.mount(mount);
                    mountRoot.mount = mount;
                    mount.root = mountRoot;
                    if (root) { FS.root = mountRoot } else if (node) { node.mounted = mount; if (node.mount) { node.mount.mounts.push(mount) } }
                    return mountRoot
                },
                unmount: mountpoint => {
                    var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
                    if (!FS.isMountpoint(lookup.node)) { throw new FS.ErrnoError(28) }
                    var node = lookup.node;
                    var mount = node.mounted;
                    var mounts = FS.getMounts(mount);
                    Object.keys(FS.nameTable).forEach(hash => {
                        var current = FS.nameTable[hash];
                        while (current) {
                            var next = current.name_next;
                            if (mounts.includes(current.mount)) { FS.destroyNode(current) }
                            current = next
                        }
                    });
                    node.mounted = null;
                    var idx = node.mount.mounts.indexOf(mount);
                    node.mount.mounts.splice(idx, 1)
                },
                lookup: (parent, name) => { return parent.node_ops.lookup(parent, name) },
                mknod: (path, mode, dev) => { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; var name = PATH.basename(path); if (!name || name === "." || name === "..") { throw new FS.ErrnoError(28) } var errCode = FS.mayCreate(parent, name); if (errCode) { throw new FS.ErrnoError(errCode) } if (!parent.node_ops.mknod) { throw new FS.ErrnoError(63) } return parent.node_ops.mknod(parent, name, mode, dev) },
                create: (path, mode) => {
                    mode = mode !== undefined ? mode : 438;
                    mode &= 4095;
                    mode |= 32768;
                    return FS.mknod(path, mode, 0)
                },
                mkdir: (path, mode) => {
                    mode = mode !== undefined ? mode : 511;
                    mode &= 511 | 512;
                    mode |= 16384;
                    return FS.mknod(path, mode, 0)
                },
                mkdirTree: (path, mode) => {
                    var dirs = path.split("/");
                    var d = "";
                    for (var i = 0; i < dirs.length; ++i) {
                        if (!dirs[i]) continue;
                        d += "/" + dirs[i];
                        try { FS.mkdir(d, mode) } catch (e) { if (e.errno != 20) throw e }
                    }
                },
                mkdev: (path, mode, dev) => {
                    if (typeof dev == "undefined") {
                        dev = mode;
                        mode = 438
                    }
                    mode |= 8192;
                    return FS.mknod(path, mode, dev)
                },
                symlink: (oldpath, newpath) => { if (!PATH_FS.resolve(oldpath)) { throw new FS.ErrnoError(44) } var lookup = FS.lookupPath(newpath, { parent: true }); var parent = lookup.node; if (!parent) { throw new FS.ErrnoError(44) } var newname = PATH.basename(newpath); var errCode = FS.mayCreate(parent, newname); if (errCode) { throw new FS.ErrnoError(errCode) } if (!parent.node_ops.symlink) { throw new FS.ErrnoError(63) } return parent.node_ops.symlink(parent, newname, oldpath) },
                rename: (old_path, new_path) => {
                    var old_dirname = PATH.dirname(old_path);
                    var new_dirname = PATH.dirname(new_path);
                    var old_name = PATH.basename(old_path);
                    var new_name = PATH.basename(new_path);
                    var lookup, old_dir, new_dir;
                    lookup = FS.lookupPath(old_path, { parent: true });
                    old_dir = lookup.node;
                    lookup = FS.lookupPath(new_path, { parent: true });
                    new_dir = lookup.node;
                    if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
                    if (old_dir.mount !== new_dir.mount) { throw new FS.ErrnoError(75) }
                    var old_node = FS.lookupNode(old_dir, old_name);
                    var relative = PATH_FS.relative(old_path, new_dirname);
                    if (relative.charAt(0) !== ".") { throw new FS.ErrnoError(28) }
                    relative = PATH_FS.relative(new_path, old_dirname);
                    if (relative.charAt(0) !== ".") { throw new FS.ErrnoError(55) }
                    var new_node;
                    try { new_node = FS.lookupNode(new_dir, new_name) } catch (e) {}
                    if (old_node === new_node) { return }
                    var isdir = FS.isDir(old_node.mode);
                    var errCode = FS.mayDelete(old_dir, old_name, isdir);
                    if (errCode) { throw new FS.ErrnoError(errCode) }
                    errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
                    if (errCode) { throw new FS.ErrnoError(errCode) }
                    if (!old_dir.node_ops.rename) { throw new FS.ErrnoError(63) }
                    if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) { throw new FS.ErrnoError(10) }
                    if (new_dir !== old_dir) { errCode = FS.nodePermissions(old_dir, "w"); if (errCode) { throw new FS.ErrnoError(errCode) } }
                    FS.hashRemoveNode(old_node);
                    try { old_dir.node_ops.rename(old_node, new_dir, new_name) } catch (e) { throw e } finally { FS.hashAddNode(old_node) }
                },
                rmdir: path => {
                    var lookup = FS.lookupPath(path, { parent: true });
                    var parent = lookup.node;
                    var name = PATH.basename(path);
                    var node = FS.lookupNode(parent, name);
                    var errCode = FS.mayDelete(parent, name, true);
                    if (errCode) { throw new FS.ErrnoError(errCode) }
                    if (!parent.node_ops.rmdir) { throw new FS.ErrnoError(63) }
                    if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10) }
                    parent.node_ops.rmdir(parent, name);
                    FS.destroyNode(node)
                },
                readdir: path => { var lookup = FS.lookupPath(path, { follow: true }); var node = lookup.node; if (!node.node_ops.readdir) { throw new FS.ErrnoError(54) } return node.node_ops.readdir(node) },
                unlink: path => {
                    var lookup = FS.lookupPath(path, { parent: true });
                    var parent = lookup.node;
                    if (!parent) { throw new FS.ErrnoError(44) }
                    var name = PATH.basename(path);
                    var node = FS.lookupNode(parent, name);
                    var errCode = FS.mayDelete(parent, name, false);
                    if (errCode) { throw new FS.ErrnoError(errCode) }
                    if (!parent.node_ops.unlink) { throw new FS.ErrnoError(63) }
                    if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10) }
                    parent.node_ops.unlink(parent, name);
                    FS.destroyNode(node)
                },
                readlink: path => { var lookup = FS.lookupPath(path); var link = lookup.node; if (!link) { throw new FS.ErrnoError(44) } if (!link.node_ops.readlink) { throw new FS.ErrnoError(28) } return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link)) },
                stat: (path, dontFollow) => { var lookup = FS.lookupPath(path, { follow: !dontFollow }); var node = lookup.node; if (!node) { throw new FS.ErrnoError(44) } if (!node.node_ops.getattr) { throw new FS.ErrnoError(63) } return node.node_ops.getattr(node) },
                lstat: path => { return FS.stat(path, true) },
                chmod: (path, mode, dontFollow) => {
                    var node;
                    if (typeof path == "string") {
                        var lookup = FS.lookupPath(path, { follow: !dontFollow });
                        node = lookup.node
                    } else { node = path }
                    if (!node.node_ops.setattr) { throw new FS.ErrnoError(63) }
                    node.node_ops.setattr(node, { mode: mode & 4095 | node.mode & ~4095, timestamp: Date.now() })
                },
                lchmod: (path, mode) => { FS.chmod(path, mode, true) },
                fchmod: (fd, mode) => {
                    var stream = FS.getStream(fd);
                    if (!stream) { throw new FS.ErrnoError(8) }
                    FS.chmod(stream.node, mode)
                },
                chown: (path, uid, gid, dontFollow) => {
                    var node;
                    if (typeof path == "string") {
                        var lookup = FS.lookupPath(path, { follow: !dontFollow });
                        node = lookup.node
                    } else { node = path }
                    if (!node.node_ops.setattr) { throw new FS.ErrnoError(63) }
                    node.node_ops.setattr(node, { timestamp: Date.now() })
                },
                lchown: (path, uid, gid) => { FS.chown(path, uid, gid, true) },
                fchown: (fd, uid, gid) => {
                    var stream = FS.getStream(fd);
                    if (!stream) { throw new FS.ErrnoError(8) }
                    FS.chown(stream.node, uid, gid)
                },
                truncate: (path, len) => {
                    if (len < 0) { throw new FS.ErrnoError(28) }
                    var node;
                    if (typeof path == "string") {
                        var lookup = FS.lookupPath(path, { follow: true });
                        node = lookup.node
                    } else { node = path }
                    if (!node.node_ops.setattr) { throw new FS.ErrnoError(63) }
                    if (FS.isDir(node.mode)) { throw new FS.ErrnoError(31) }
                    if (!FS.isFile(node.mode)) { throw new FS.ErrnoError(28) }
                    var errCode = FS.nodePermissions(node, "w");
                    if (errCode) { throw new FS.ErrnoError(errCode) }
                    node.node_ops.setattr(node, { size: len, timestamp: Date.now() })
                },
                ftruncate: (fd, len) => {
                    var stream = FS.getStream(fd);
                    if (!stream) { throw new FS.ErrnoError(8) }
                    if ((stream.flags & 2097155) === 0) { throw new FS.ErrnoError(28) }
                    FS.truncate(stream.node, len)
                },
                utime: (path, atime, mtime) => {
                    var lookup = FS.lookupPath(path, { follow: true });
                    var node = lookup.node;
                    node.node_ops.setattr(node, { timestamp: Math.max(atime, mtime) })
                },
                open: (path, flags, mode, fd_start, fd_end) => {
                    if (path === "") { throw new FS.ErrnoError(44) }
                    flags = typeof flags == "string" ? FS.modeStringToFlags(flags) : flags;
                    mode = typeof mode == "undefined" ? 438 : mode;
                    if (flags & 64) { mode = mode & 4095 | 32768 } else { mode = 0 }
                    var node;
                    if (typeof path == "object") { node = path } else {
                        path = PATH.normalize(path);
                        try {
                            var lookup = FS.lookupPath(path, { follow: !(flags & 131072) });
                            node = lookup.node
                        } catch (e) {}
                    }
                    var created = false;
                    if (flags & 64) {
                        if (node) { if (flags & 128) { throw new FS.ErrnoError(20) } } else {
                            node = FS.mknod(path, mode, 0);
                            created = true
                        }
                    }
                    if (!node) { throw new FS.ErrnoError(44) }
                    if (FS.isChrdev(node.mode)) { flags &= ~512 }
                    if (flags & 65536 && !FS.isDir(node.mode)) { throw new FS.ErrnoError(54) }
                    if (!created) { var errCode = FS.mayOpen(node, flags); if (errCode) { throw new FS.ErrnoError(errCode) } }
                    if (flags & 512) { FS.truncate(node, 0) }
                    flags &= ~(128 | 512 | 131072);
                    var stream = FS.createStream({ node: node, path: FS.getPath(node), flags: flags, seekable: true, position: 0, stream_ops: node.stream_ops, ungotten: [], error: false }, fd_start, fd_end);
                    if (stream.stream_ops.open) { stream.stream_ops.open(stream) }
                    if (Module["logReadFiles"] && !(flags & 1)) { if (!FS.readFiles) FS.readFiles = {}; if (!(path in FS.readFiles)) { FS.readFiles[path] = 1 } }
                    return stream
                },
                close: stream => {
                    if (FS.isClosed(stream)) { throw new FS.ErrnoError(8) }
                    if (stream.getdents) stream.getdents = null;
                    try { if (stream.stream_ops.close) { stream.stream_ops.close(stream) } } catch (e) { throw e } finally { FS.closeStream(stream.fd) }
                    stream.fd = null
                },
                isClosed: stream => { return stream.fd === null },
                llseek: (stream, offset, whence) => {
                    if (FS.isClosed(stream)) { throw new FS.ErrnoError(8) }
                    if (!stream.seekable || !stream.stream_ops.llseek) { throw new FS.ErrnoError(70) }
                    if (whence != 0 && whence != 1 && whence != 2) { throw new FS.ErrnoError(28) }
                    stream.position = stream.stream_ops.llseek(stream, offset, whence);
                    stream.ungotten = [];
                    return stream.position
                },
                read: (stream, buffer, offset, length, position) => { if (length < 0 || position < 0) { throw new FS.ErrnoError(28) } if (FS.isClosed(stream)) { throw new FS.ErrnoError(8) } if ((stream.flags & 2097155) === 1) { throw new FS.ErrnoError(8) } if (FS.isDir(stream.node.mode)) { throw new FS.ErrnoError(31) } if (!stream.stream_ops.read) { throw new FS.ErrnoError(28) } var seeking = typeof position != "undefined"; if (!seeking) { position = stream.position } else if (!stream.seekable) { throw new FS.ErrnoError(70) } var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position); if (!seeking) stream.position += bytesRead; return bytesRead },
                write: (stream, buffer, offset, length, position, canOwn) => { if (length < 0 || position < 0) { throw new FS.ErrnoError(28) } if (FS.isClosed(stream)) { throw new FS.ErrnoError(8) } if ((stream.flags & 2097155) === 0) { throw new FS.ErrnoError(8) } if (FS.isDir(stream.node.mode)) { throw new FS.ErrnoError(31) } if (!stream.stream_ops.write) { throw new FS.ErrnoError(28) } if (stream.seekable && stream.flags & 1024) { FS.llseek(stream, 0, 2) } var seeking = typeof position != "undefined"; if (!seeking) { position = stream.position } else if (!stream.seekable) { throw new FS.ErrnoError(70) } var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); if (!seeking) stream.position += bytesWritten; return bytesWritten },
                allocate: (stream, offset, length) => {
                    if (FS.isClosed(stream)) { throw new FS.ErrnoError(8) }
                    if (offset < 0 || length <= 0) { throw new FS.ErrnoError(28) }
                    if ((stream.flags & 2097155) === 0) { throw new FS.ErrnoError(8) }
                    if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) { throw new FS.ErrnoError(43) }
                    if (!stream.stream_ops.allocate) { throw new FS.ErrnoError(138) }
                    stream.stream_ops.allocate(stream, offset, length)
                },
                mmap: (stream, address, length, position, prot, flags) => { if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) { throw new FS.ErrnoError(2) } if ((stream.flags & 2097155) === 1) { throw new FS.ErrnoError(2) } if (!stream.stream_ops.mmap) { throw new FS.ErrnoError(43) } return stream.stream_ops.mmap(stream, address, length, position, prot, flags) },
                msync: (stream, buffer, offset, length, mmapFlags) => { if (!stream || !stream.stream_ops.msync) { return 0 } return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags) },
                munmap: stream => 0,
                ioctl: (stream, cmd, arg) => { if (!stream.stream_ops.ioctl) { throw new FS.ErrnoError(59) } return stream.stream_ops.ioctl(stream, cmd, arg) },
                readFile: (path, opts = {}) => {
                    opts.flags = opts.flags || 0;
                    opts.encoding = opts.encoding || "binary";
                    if (opts.encoding !== "utf8" && opts.encoding !== "binary") { throw new Error('Invalid encoding type "' + opts.encoding + '"') }
                    var ret;
                    var stream = FS.open(path, opts.flags);
                    var stat = FS.stat(path);
                    var length = stat.size;
                    var buf = new Uint8Array(length);
                    FS.read(stream, buf, 0, length, 0);
                    if (opts.encoding === "utf8") { ret = UTF8ArrayToString(buf, 0) } else if (opts.encoding === "binary") { ret = buf }
                    FS.close(stream);
                    return ret
                },
                writeFile: (path, data, opts = {}) => {
                    opts.flags = opts.flags || 577;
                    var stream = FS.open(path, opts.flags, opts.mode);
                    if (typeof data == "string") {
                        var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
                        var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
                        FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn)
                    } else if (ArrayBuffer.isView(data)) { FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn) } else { throw new Error("Unsupported data type") }
                    FS.close(stream)
                },
                cwd: () => FS.currentPath,
                chdir: path => {
                    var lookup = FS.lookupPath(path, { follow: true });
                    if (lookup.node === null) { throw new FS.ErrnoError(44) }
                    if (!FS.isDir(lookup.node.mode)) { throw new FS.ErrnoError(54) }
                    var errCode = FS.nodePermissions(lookup.node, "x");
                    if (errCode) { throw new FS.ErrnoError(errCode) }
                    FS.currentPath = lookup.path
                },
                createDefaultDirectories: () => {
                    FS.mkdir("/tmp");
                    FS.mkdir("/home");
                    FS.mkdir("/home/web_user")
                },
                createDefaultDevices: () => {
                    FS.mkdir("/dev");
                    FS.registerDevice(FS.makedev(1, 3), { read: () => 0, write: (stream, buffer, offset, length, pos) => length });
                    FS.mkdev("/dev/null", FS.makedev(1, 3));
                    TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
                    TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
                    FS.mkdev("/dev/tty", FS.makedev(5, 0));
                    FS.mkdev("/dev/tty1", FS.makedev(6, 0));
                    var random_device = getRandomDevice();
                    FS.createDevice("/dev", "random", random_device);
                    FS.createDevice("/dev", "urandom", random_device);
                    FS.mkdir("/dev/shm");
                    FS.mkdir("/dev/shm/tmp")
                },
                createSpecialDirectories: () => {
                    FS.mkdir("/proc");
                    var proc_self = FS.mkdir("/proc/self");
                    FS.mkdir("/proc/self/fd");
                    FS.mount({
                        mount: () => {
                            var node = FS.createNode(proc_self, "fd", 16384 | 511, 73);
                            node.node_ops = {
                                lookup: (parent, name) => {
                                    var fd = +name;
                                    var stream = FS.getStream(fd);
                                    if (!stream) throw new FS.ErrnoError(8);
                                    var ret = { parent: null, mount: { mountpoint: "fake" }, node_ops: { readlink: () => stream.path } };
                                    ret.parent = ret;
                                    return ret
                                }
                            };
                            return node
                        }
                    }, {}, "/proc/self/fd")
                },
                createStandardStreams: () => { if (Module["stdin"]) { FS.createDevice("/dev", "stdin", Module["stdin"]) } else { FS.symlink("/dev/tty", "/dev/stdin") } if (Module["stdout"]) { FS.createDevice("/dev", "stdout", null, Module["stdout"]) } else { FS.symlink("/dev/tty", "/dev/stdout") } if (Module["stderr"]) { FS.createDevice("/dev", "stderr", null, Module["stderr"]) } else { FS.symlink("/dev/tty1", "/dev/stderr") } var stdin = FS.open("/dev/stdin", 0); var stdout = FS.open("/dev/stdout", 1); var stderr = FS.open("/dev/stderr", 1) },
                ensureErrnoError: () => {
                    if (FS.ErrnoError) return;
                    FS.ErrnoError = function ErrnoError(errno, node) {
                        this.node = node;
                        this.setErrno = function(errno) { this.errno = errno };
                        this.setErrno(errno);
                        this.message = "FS error"
                    };
                    FS.ErrnoError.prototype = new Error;
                    FS.ErrnoError.prototype.constructor = FS.ErrnoError;
                    [44].forEach(code => {
                        FS.genericErrors[code] = new FS.ErrnoError(code);
                        FS.genericErrors[code].stack = "<generic error, no stack>"
                    })
                },
                staticInit: () => {
                    FS.ensureErrnoError();
                    FS.nameTable = new Array(4096);
                    FS.mount(MEMFS, {}, "/");
                    FS.createDefaultDirectories();
                    FS.createDefaultDevices();
                    FS.createSpecialDirectories();
                    FS.filesystems = { "MEMFS": MEMFS, "IDBFS": IDBFS }
                },
                init: (input, output, error) => {
                    FS.init.initialized = true;
                    FS.ensureErrnoError();
                    Module["stdin"] = input || Module["stdin"];
                    Module["stdout"] = output || Module["stdout"];
                    Module["stderr"] = error || Module["stderr"];
                    FS.createStandardStreams()
                },
                quit: () => {
                    FS.init.initialized = false;
                    ___stdio_exit();
                    for (var i = 0; i < FS.streams.length; i++) {
                        var stream = FS.streams[i];
                        if (!stream) { continue }
                        FS.close(stream)
                    }
                },
                getMode: (canRead, canWrite) => { var mode = 0; if (canRead) mode |= 292 | 73; if (canWrite) mode |= 146; return mode },
                findObject: (path, dontResolveLastLink) => { var ret = FS.analyzePath(path, dontResolveLastLink); if (ret.exists) { return ret.object } else { return null } },
                analyzePath: (path, dontResolveLastLink) => {
                    try {
                        var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
                        path = lookup.path
                    } catch (e) {}
                    var ret = { isRoot: false, exists: false, error: 0, name: null, path: null, object: null, parentExists: false, parentPath: null, parentObject: null };
                    try {
                        var lookup = FS.lookupPath(path, { parent: true });
                        ret.parentExists = true;
                        ret.parentPath = lookup.path;
                        ret.parentObject = lookup.node;
                        ret.name = PATH.basename(path);
                        lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
                        ret.exists = true;
                        ret.path = lookup.path;
                        ret.object = lookup.node;
                        ret.name = lookup.node.name;
                        ret.isRoot = lookup.path === "/"
                    } catch (e) { ret.error = e.errno }
                    return ret
                },
                createPath: (parent, path, canRead, canWrite) => {
                    parent = typeof parent == "string" ? parent : FS.getPath(parent);
                    var parts = path.split("/").reverse();
                    while (parts.length) {
                        var part = parts.pop();
                        if (!part) continue;
                        var current = PATH.join2(parent, part);
                        try { FS.mkdir(current) } catch (e) {}
                        parent = current
                    }
                    return current
                },
                createFile: (parent, name, properties, canRead, canWrite) => { var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name); var mode = FS.getMode(canRead, canWrite); return FS.create(path, mode) },
                createDataFile: (parent, name, data, canRead, canWrite, canOwn) => {
                    var path = name;
                    if (parent) {
                        parent = typeof parent == "string" ? parent : FS.getPath(parent);
                        path = name ? PATH.join2(parent, name) : parent
                    }
                    var mode = FS.getMode(canRead, canWrite);
                    var node = FS.create(path, mode);
                    if (data) {
                        if (typeof data == "string") {
                            var arr = new Array(data.length);
                            for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
                            data = arr
                        }
                        FS.chmod(node, mode | 146);
                        var stream = FS.open(node, 577);
                        FS.write(stream, data, 0, data.length, 0, canOwn);
                        FS.close(stream);
                        FS.chmod(node, mode)
                    }
                    return node
                },
                createDevice: (parent, name, input, output) => {
                    var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
                    var mode = FS.getMode(!!input, !!output);
                    if (!FS.createDevice.major) FS.createDevice.major = 64;
                    var dev = FS.makedev(FS.createDevice.major++, 0);
                    FS.registerDevice(dev, {
                        open: stream => { stream.seekable = false },
                        close: stream => { if (output && output.buffer && output.buffer.length) { output(10) } },
                        read: (stream, buffer, offset, length, pos) => {
                            var bytesRead = 0;
                            for (var i = 0; i < length; i++) {
                                var result;
                                try { result = input() } catch (e) { throw new FS.ErrnoError(29) }
                                if (result === undefined && bytesRead === 0) { throw new FS.ErrnoError(6) }
                                if (result === null || result === undefined) break;
                                bytesRead++;
                                buffer[offset + i] = result
                            }
                            if (bytesRead) { stream.node.timestamp = Date.now() }
                            return bytesRead
                        },
                        write: (stream, buffer, offset, length, pos) => { for (var i = 0; i < length; i++) { try { output(buffer[offset + i]) } catch (e) { throw new FS.ErrnoError(29) } } if (length) { stream.node.timestamp = Date.now() } return i }
                    });
                    return FS.mkdev(path, mode, dev)
                },
                forceLoadFile: obj => {
                    if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
                    if (typeof XMLHttpRequest != "undefined") { throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.") } else if (read_) {
                        try {
                            obj.contents = intArrayFromString(read_(obj.url), true);
                            obj.usedBytes = obj.contents.length
                        } catch (e) { throw new FS.ErrnoError(29) }
                    } else { throw new Error("Cannot load without read() or XMLHttpRequest.") }
                },
                createLazyFile: (parent, name, url, canRead, canWrite) => {
                    function LazyUint8Array() {
                        this.lengthKnown = false;
                        this.chunks = []
                    }
                    LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) { if (idx > this.length - 1 || idx < 0) { return undefined } var chunkOffset = idx % this.chunkSize; var chunkNum = idx / this.chunkSize | 0; return this.getter(chunkNum)[chunkOffset] };
                    LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) { this.getter = getter };
                    LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
                        var xhr = new XMLHttpRequest;
                        xhr.open("HEAD", url, false);
                        xhr.send(null);
                        if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
                        var datalength = Number(xhr.getResponseHeader("Content-length"));
                        var header;
                        var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
                        var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
                        var chunkSize = 1024 * 1024;
                        if (!hasByteServing) chunkSize = datalength;
                        var doXHR = (from, to) => {
                            if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
                            if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
                            var xhr = new XMLHttpRequest;
                            xhr.open("GET", url, false);
                            if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
                            xhr.responseType = "arraybuffer";
                            if (xhr.overrideMimeType) { xhr.overrideMimeType("text/plain; charset=x-user-defined") }
                            xhr.send(null);
                            if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
                            if (xhr.response !== undefined) { return new Uint8Array(xhr.response || []) } else { return intArrayFromString(xhr.responseText || "", true) }
                        };
                        var lazyArray = this;
                        lazyArray.setDataGetter(chunkNum => {
                            var start = chunkNum * chunkSize;
                            var end = (chunkNum + 1) * chunkSize - 1;
                            end = Math.min(end, datalength - 1);
                            if (typeof lazyArray.chunks[chunkNum] == "undefined") { lazyArray.chunks[chunkNum] = doXHR(start, end) }
                            if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!");
                            return lazyArray.chunks[chunkNum]
                        });
                        if (usesGzip || !datalength) {
                            chunkSize = datalength = 1;
                            datalength = this.getter(0).length;
                            chunkSize = datalength;
                            out("LazyFiles on gzip forces download of the whole file when length is accessed")
                        }
                        this._length = datalength;
                        this._chunkSize = chunkSize;
                        this.lengthKnown = true
                    };
                    if (typeof XMLHttpRequest != "undefined") {
                        if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
                        var lazyArray = new LazyUint8Array;
                        Object.defineProperties(lazyArray, { length: { get: function() { if (!this.lengthKnown) { this.cacheLength() } return this._length } }, chunkSize: { get: function() { if (!this.lengthKnown) { this.cacheLength() } return this._chunkSize } } });
                        var properties = { isDevice: false, contents: lazyArray }
                    } else { var properties = { isDevice: false, url: url } }
                    var node = FS.createFile(parent, name, properties, canRead, canWrite);
                    if (properties.contents) { node.contents = properties.contents } else if (properties.url) {
                        node.contents = null;
                        node.url = properties.url
                    }
                    Object.defineProperties(node, { usedBytes: { get: function() { return this.contents.length } } });
                    var stream_ops = {};
                    var keys = Object.keys(node.stream_ops);
                    keys.forEach(key => {
                        var fn = node.stream_ops[key];
                        stream_ops[key] = function forceLoadLazyFile() { FS.forceLoadFile(node); return fn.apply(null, arguments) }
                    });
                    stream_ops.read = ((stream, buffer, offset, length, position) => { FS.forceLoadFile(node); var contents = stream.node.contents; if (position >= contents.length) return 0; var size = Math.min(contents.length - position, length); if (contents.slice) { for (var i = 0; i < size; i++) { buffer[offset + i] = contents[position + i] } } else { for (var i = 0; i < size; i++) { buffer[offset + i] = contents.get(position + i) } } return size });
                    node.stream_ops = stream_ops;
                    return node
                },
                createPreloadedFile: (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
                    var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
                    var dep = getUniqueRunDependency("cp " + fullname);

                    function processData(byteArray) {
                        function finish(byteArray) {
                            if (preFinish) preFinish();
                            if (!dontCreateFile) { FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn) }
                            if (onload) onload();
                            removeRunDependency(dep)
                        }
                        if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => {
                                if (onerror) onerror();
                                removeRunDependency(dep)
                            })) { return }
                        finish(byteArray)
                    }
                    addRunDependency(dep);
                    if (typeof url == "string") { asyncLoad(url, byteArray => processData(byteArray), onerror) } else { processData(url) }
                },
                indexedDB: () => { return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB },
                DB_NAME: () => { return "EM_FS_" + window.location.pathname },
                DB_VERSION: 20,
                DB_STORE_NAME: "FILE_DATA",
                saveFilesToDB: (paths, onload, onerror) => {
                    onload = onload || (() => {});
                    onerror = onerror || (() => {});
                    var indexedDB = FS.indexedDB();
                    try { var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION) } catch (e) { return onerror(e) }
                    openRequest.onupgradeneeded = (() => {
                        out("creating db");
                        var db = openRequest.result;
                        db.createObjectStore(FS.DB_STORE_NAME)
                    });
                    openRequest.onsuccess = (() => {
                        var db = openRequest.result;
                        var transaction = db.transaction([FS.DB_STORE_NAME], "readwrite");
                        var files = transaction.objectStore(FS.DB_STORE_NAME);
                        var ok = 0,
                            fail = 0,
                            total = paths.length;

                        function finish() {
                            if (fail == 0) onload();
                            else onerror()
                        }
                        paths.forEach(path => {
                            var putRequest = files.put(FS.analyzePath(path).object.contents, path);
                            putRequest.onsuccess = (() => { ok++; if (ok + fail == total) finish() });
                            putRequest.onerror = (() => { fail++; if (ok + fail == total) finish() })
                        });
                        transaction.onerror = onerror
                    });
                    openRequest.onerror = onerror
                },
                loadFilesFromDB: (paths, onload, onerror) => {
                    onload = onload || (() => {});
                    onerror = onerror || (() => {});
                    var indexedDB = FS.indexedDB();
                    try { var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION) } catch (e) { return onerror(e) }
                    openRequest.onupgradeneeded = onerror;
                    openRequest.onsuccess = (() => {
                        var db = openRequest.result;
                        try { var transaction = db.transaction([FS.DB_STORE_NAME], "readonly") } catch (e) { onerror(e); return }
                        var files = transaction.objectStore(FS.DB_STORE_NAME);
                        var ok = 0,
                            fail = 0,
                            total = paths.length;

                        function finish() {
                            if (fail == 0) onload();
                            else onerror()
                        }
                        paths.forEach(path => {
                            var getRequest = files.get(path);
                            getRequest.onsuccess = (() => {
                                if (FS.analyzePath(path).exists) { FS.unlink(path) }
                                FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
                                ok++;
                                if (ok + fail == total) finish()
                            });
                            getRequest.onerror = (() => { fail++; if (ok + fail == total) finish() })
                        });
                        transaction.onerror = onerror
                    });
                    openRequest.onerror = onerror
                }
            };
            var SYSCALLS = {
                DEFAULT_POLLMASK: 5,
                calculateAt: function(dirfd, path, allowEmpty) {
                    if (path[0] === "/") { return path }
                    var dir;
                    if (dirfd === -100) { dir = FS.cwd() } else {
                        var dirstream = FS.getStream(dirfd);
                        if (!dirstream) throw new FS.ErrnoError(8);
                        dir = dirstream.path
                    }
                    if (path.length == 0) { if (!allowEmpty) { throw new FS.ErrnoError(44) } return dir }
                    return PATH.join2(dir, path)
                },
                doStat: function(func, path, buf) {
                    try { var stat = func(path) } catch (e) { if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) { return -54 } throw e }
                    GROWABLE_HEAP_I32()[buf >> 2] = stat.dev;
                    GROWABLE_HEAP_I32()[buf + 4 >> 2] = 0;
                    GROWABLE_HEAP_I32()[buf + 8 >> 2] = stat.ino;
                    GROWABLE_HEAP_I32()[buf + 12 >> 2] = stat.mode;
                    GROWABLE_HEAP_I32()[buf + 16 >> 2] = stat.nlink;
                    GROWABLE_HEAP_I32()[buf + 20 >> 2] = stat.uid;
                    GROWABLE_HEAP_I32()[buf + 24 >> 2] = stat.gid;
                    GROWABLE_HEAP_I32()[buf + 28 >> 2] = stat.rdev;
                    GROWABLE_HEAP_I32()[buf + 32 >> 2] = 0;
                    tempI64 = [stat.size >>> 0, (tempDouble = stat.size, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], GROWABLE_HEAP_I32()[buf + 40 >> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 44 >> 2] = tempI64[1];
                    GROWABLE_HEAP_I32()[buf + 48 >> 2] = 4096;
                    GROWABLE_HEAP_I32()[buf + 52 >> 2] = stat.blocks;
                    GROWABLE_HEAP_I32()[buf + 56 >> 2] = stat.atime.getTime() / 1e3 | 0;
                    GROWABLE_HEAP_I32()[buf + 60 >> 2] = 0;
                    GROWABLE_HEAP_I32()[buf + 64 >> 2] = stat.mtime.getTime() / 1e3 | 0;
                    GROWABLE_HEAP_I32()[buf + 68 >> 2] = 0;
                    GROWABLE_HEAP_I32()[buf + 72 >> 2] = stat.ctime.getTime() / 1e3 | 0;
                    GROWABLE_HEAP_I32()[buf + 76 >> 2] = 0;
                    tempI64 = [stat.ino >>> 0, (tempDouble = stat.ino, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], GROWABLE_HEAP_I32()[buf + 80 >> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 84 >> 2] = tempI64[1];
                    return 0
                },
                doMsync: function(addr, stream, len, flags, offset) {
                    var buffer = GROWABLE_HEAP_U8().slice(addr, addr + len);
                    FS.msync(stream, buffer, offset, len, flags)
                },
                doMkdir: function(path, mode) {
                    path = PATH.normalize(path);
                    if (path[path.length - 1] === "/") path = path.substr(0, path.length - 1);
                    FS.mkdir(path, mode, 0);
                    return 0
                },
                doMknod: function(path, mode, dev) {
                    switch (mode & 61440) {
                        case 32768:
                        case 8192:
                        case 24576:
                        case 4096:
                        case 49152:
                            break;
                        default:
                            return -28
                    }
                    FS.mknod(path, mode, dev);
                    return 0
                },
                doReadlink: function(path, buf, bufsize) {
                    if (bufsize <= 0) return -28;
                    var ret = FS.readlink(path);
                    var len = Math.min(bufsize, lengthBytesUTF8(ret));
                    var endChar = GROWABLE_HEAP_I8()[buf + len];
                    stringToUTF8(ret, buf, bufsize + 1);
                    GROWABLE_HEAP_I8()[buf + len] = endChar;
                    return len
                },
                doAccess: function(path, amode) { if (amode & ~7) { return -28 } var lookup = FS.lookupPath(path, { follow: true }); var node = lookup.node; if (!node) { return -44 } var perms = ""; if (amode & 4) perms += "r"; if (amode & 2) perms += "w"; if (amode & 1) perms += "x"; if (perms && FS.nodePermissions(node, perms)) { return -2 } return 0 },
                doDup: function(path, flags, suggestFD) { var suggest = FS.getStream(suggestFD); if (suggest) FS.close(suggest); return FS.open(path, flags, 0, suggestFD, suggestFD).fd },
                doReadv: function(stream, iov, iovcnt, offset) {
                    var ret = 0;
                    for (var i = 0; i < iovcnt; i++) {
                        var ptr = GROWABLE_HEAP_I32()[iov + i * 8 >> 2];
                        var len = GROWABLE_HEAP_I32()[iov + (i * 8 + 4) >> 2];
                        var curr = FS.read(stream, GROWABLE_HEAP_I8(), ptr, len, offset);
                        if (curr < 0) return -1;
                        ret += curr;
                        if (curr < len) break
                    }
                    return ret
                },
                doWritev: function(stream, iov, iovcnt, offset) {
                    var ret = 0;
                    for (var i = 0; i < iovcnt; i++) {
                        var ptr = GROWABLE_HEAP_I32()[iov + i * 8 >> 2];
                        var len = GROWABLE_HEAP_I32()[iov + (i * 8 + 4) >> 2];
                        var curr = FS.write(stream, GROWABLE_HEAP_I8(), ptr, len, offset);
                        if (curr < 0) return -1;
                        ret += curr
                    }
                    return ret
                },
                varargs: undefined,
                get: function() { SYSCALLS.varargs += 4; var ret = GROWABLE_HEAP_I32()[SYSCALLS.varargs - 4 >> 2]; return ret },
                getStr: function(ptr) { var ret = UTF8ToString(ptr); return ret },
                getStreamFromFD: function(fd) { var stream = FS.getStream(fd); if (!stream) throw new FS.ErrnoError(8); return stream },
                get64: function(low, high) { return low }
            };

            function ___syscall__newselect(nfds, readfds, writefds, exceptfds, timeout) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(2, 1, nfds, readfds, writefds, exceptfds, timeout);
                try {
                    var total = 0;
                    var srcReadLow = readfds ? GROWABLE_HEAP_I32()[readfds >> 2] : 0,
                        srcReadHigh = readfds ? GROWABLE_HEAP_I32()[readfds + 4 >> 2] : 0;
                    var srcWriteLow = writefds ? GROWABLE_HEAP_I32()[writefds >> 2] : 0,
                        srcWriteHigh = writefds ? GROWABLE_HEAP_I32()[writefds + 4 >> 2] : 0;
                    var srcExceptLow = exceptfds ? GROWABLE_HEAP_I32()[exceptfds >> 2] : 0,
                        srcExceptHigh = exceptfds ? GROWABLE_HEAP_I32()[exceptfds + 4 >> 2] : 0;
                    var dstReadLow = 0,
                        dstReadHigh = 0;
                    var dstWriteLow = 0,
                        dstWriteHigh = 0;
                    var dstExceptLow = 0,
                        dstExceptHigh = 0;
                    var allLow = (readfds ? GROWABLE_HEAP_I32()[readfds >> 2] : 0) | (writefds ? GROWABLE_HEAP_I32()[writefds >> 2] : 0) | (exceptfds ? GROWABLE_HEAP_I32()[exceptfds >> 2] : 0);
                    var allHigh = (readfds ? GROWABLE_HEAP_I32()[readfds + 4 >> 2] : 0) | (writefds ? GROWABLE_HEAP_I32()[writefds + 4 >> 2] : 0) | (exceptfds ? GROWABLE_HEAP_I32()[exceptfds + 4 >> 2] : 0);
                    var check = function(fd, low, high, val) { return fd < 32 ? low & val : high & val };
                    for (var fd = 0; fd < nfds; fd++) {
                        var mask = 1 << fd % 32;
                        if (!check(fd, allLow, allHigh, mask)) { continue }
                        var stream = FS.getStream(fd);
                        if (!stream) throw new FS.ErrnoError(8);
                        var flags = SYSCALLS.DEFAULT_POLLMASK;
                        if (stream.stream_ops.poll) { flags = stream.stream_ops.poll(stream) }
                        if (flags & 1 && check(fd, srcReadLow, srcReadHigh, mask)) {
                            fd < 32 ? dstReadLow = dstReadLow | mask : dstReadHigh = dstReadHigh | mask;
                            total++
                        }
                        if (flags & 4 && check(fd, srcWriteLow, srcWriteHigh, mask)) {
                            fd < 32 ? dstWriteLow = dstWriteLow | mask : dstWriteHigh = dstWriteHigh | mask;
                            total++
                        }
                        if (flags & 2 && check(fd, srcExceptLow, srcExceptHigh, mask)) {
                            fd < 32 ? dstExceptLow = dstExceptLow | mask : dstExceptHigh = dstExceptHigh | mask;
                            total++
                        }
                    }
                    if (readfds) {
                        GROWABLE_HEAP_I32()[readfds >> 2] = dstReadLow;
                        GROWABLE_HEAP_I32()[readfds + 4 >> 2] = dstReadHigh
                    }
                    if (writefds) {
                        GROWABLE_HEAP_I32()[writefds >> 2] = dstWriteLow;
                        GROWABLE_HEAP_I32()[writefds + 4 >> 2] = dstWriteHigh
                    }
                    if (exceptfds) {
                        GROWABLE_HEAP_I32()[exceptfds >> 2] = dstExceptLow;
                        GROWABLE_HEAP_I32()[exceptfds + 4 >> 2] = dstExceptHigh
                    }
                    return total
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }
            var SOCKFS = {
                mount: function(mount) {
                    Module["websocket"] = Module["websocket"] && "object" === typeof Module["websocket"] ? Module["websocket"] : {};
                    Module["websocket"]._callbacks = {};
                    Module["websocket"]["on"] = function(event, callback) { if ("function" === typeof callback) { this._callbacks[event] = callback } return this };
                    Module["websocket"].emit = function(event, param) { if ("function" === typeof this._callbacks[event]) { this._callbacks[event].call(this, param) } };
                    return FS.createNode(null, "/", 16384 | 511, 0)
                },
                createSocket: function(family, type, protocol) {
                    type &= ~526336;
                    var streaming = type == 1;
                    if (protocol) { assert(streaming == (protocol == 6)) }
                    var sock = { family: family, type: type, protocol: protocol, server: null, error: null, peers: {}, pending: [], recv_queue: [], sock_ops: SOCKFS.websocket_sock_ops };
                    var name = SOCKFS.nextname();
                    var node = FS.createNode(SOCKFS.root, name, 49152, 0);
                    node.sock = sock;
                    var stream = FS.createStream({ path: name, node: node, flags: 2, seekable: false, stream_ops: SOCKFS.stream_ops });
                    sock.stream = stream;
                    return sock
                },
                getSocket: function(fd) { var stream = FS.getStream(fd); if (!stream || !FS.isSocket(stream.node.mode)) { return null } return stream.node.sock },
                stream_ops: {
                    poll: function(stream) { var sock = stream.node.sock; return sock.sock_ops.poll(sock) },
                    ioctl: function(stream, request, varargs) { var sock = stream.node.sock; return sock.sock_ops.ioctl(sock, request, varargs) },
                    read: function(stream, buffer, offset, length, position) {
                        var sock = stream.node.sock;
                        var msg = sock.sock_ops.recvmsg(sock, length);
                        if (!msg) { return 0 }
                        buffer.set(msg.buffer, offset);
                        return msg.buffer.length
                    },
                    write: function(stream, buffer, offset, length, position) { var sock = stream.node.sock; return sock.sock_ops.sendmsg(sock, buffer, offset, length) },
                    close: function(stream) {
                        var sock = stream.node.sock;
                        sock.sock_ops.close(sock)
                    }
                },
                nextname: function() { if (!SOCKFS.nextname.current) { SOCKFS.nextname.current = 0 } return "socket[" + SOCKFS.nextname.current++ + "]" },
                websocket_sock_ops: {
                    createPeer: function(sock, addr, port) {
                        var ws;
                        if (typeof addr == "object") {
                            ws = addr;
                            addr = null;
                            port = null
                        }
                        if (ws) {
                            if (ws._socket) {
                                addr = ws._socket.remoteAddress;
                                port = ws._socket.remotePort
                            } else {
                                var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);
                                if (!result) { throw new Error("WebSocket URL must be in the format ws(s)://address:port") }
                                addr = result[1];
                                port = parseInt(result[2], 10)
                            }
                        } else {
                            try {
                                var runtimeConfig = Module["websocket"] && "object" === typeof Module["websocket"];
                                var url = "ws:#".replace("#", "//");
                                if (runtimeConfig) { if ("string" === typeof Module["websocket"]["url"]) { url = Module["websocket"]["url"] } }
                                if (url === "ws://" || url === "wss://") {
                                    var parts = addr.split("/");
                                    url = url + parts[0] + ":" + port + "/" + parts.slice(1).join("/")
                                }
                                var subProtocols = "binary";
                                if (runtimeConfig) { if ("string" === typeof Module["websocket"]["subprotocol"]) { subProtocols = Module["websocket"]["subprotocol"] } }
                                var opts = undefined;
                                if (subProtocols !== "null") {
                                    subProtocols = subProtocols.replace(/^ +| +$/g, "").split(/ *, */);
                                    opts = ENVIRONMENT_IS_NODE ? { "protocol": subProtocols.toString() } : subProtocols
                                }
                                if (runtimeConfig && null === Module["websocket"]["subprotocol"]) {
                                    subProtocols = "null";
                                    opts = undefined
                                }
                                var WebSocketConstructor; { WebSocketConstructor = WebSocket }
                                ws = new WebSocketConstructor(url, opts);
                                ws.binaryType = "arraybuffer"
                            } catch (e) { throw new FS.ErrnoError(23) }
                        }
                        var peer = { addr: addr, port: port, socket: ws, dgram_send_queue: [] };
                        SOCKFS.websocket_sock_ops.addPeer(sock, peer);
                        SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer);
                        if (sock.type === 2 && typeof sock.sport != "undefined") { peer.dgram_send_queue.push(new Uint8Array([255, 255, 255, 255, "p".charCodeAt(0), "o".charCodeAt(0), "r".charCodeAt(0), "t".charCodeAt(0), (sock.sport & 65280) >> 8, sock.sport & 255])) }
                        return peer
                    },
                    getPeer: function(sock, addr, port) { return sock.peers[addr + ":" + port] },
                    addPeer: function(sock, peer) { sock.peers[peer.addr + ":" + peer.port] = peer },
                    removePeer: function(sock, peer) { delete sock.peers[peer.addr + ":" + peer.port] },
                    handlePeerEvents: function(sock, peer) {
                        var first = true;
                        var handleOpen = function() {
                            Module["websocket"].emit("open", sock.stream.fd);
                            try {
                                var queued = peer.dgram_send_queue.shift();
                                while (queued) {
                                    peer.socket.send(queued);
                                    queued = peer.dgram_send_queue.shift()
                                }
                            } catch (e) { peer.socket.close() }
                        };

                        function handleMessage(data) {
                            if (typeof data == "string") {
                                var encoder = new TextEncoder;
                                data = encoder.encode(data)
                            } else { assert(data.byteLength !== undefined); if (data.byteLength == 0) { return } else { data = new Uint8Array(data) } }
                            var wasfirst = first;
                            first = false;
                            if (wasfirst && data.length === 10 && data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3] === 255 && data[4] === "p".charCodeAt(0) && data[5] === "o".charCodeAt(0) && data[6] === "r".charCodeAt(0) && data[7] === "t".charCodeAt(0)) {
                                var newport = data[8] << 8 | data[9];
                                SOCKFS.websocket_sock_ops.removePeer(sock, peer);
                                peer.port = newport;
                                SOCKFS.websocket_sock_ops.addPeer(sock, peer);
                                return
                            }
                            sock.recv_queue.push({ addr: peer.addr, port: peer.port, data: data });
                            Module["websocket"].emit("message", sock.stream.fd)
                        }
                        if (ENVIRONMENT_IS_NODE) {
                            peer.socket.on("open", handleOpen);
                            peer.socket.on("message", function(data, flags) {
                                if (!flags.binary) { return }
                                handleMessage(new Uint8Array(data).buffer)
                            });
                            peer.socket.on("close", function() { Module["websocket"].emit("close", sock.stream.fd) });
                            peer.socket.on("error", function(error) {
                                sock.error = 14;
                                Module["websocket"].emit("error", [sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused"])
                            })
                        } else {
                            peer.socket.onopen = handleOpen;
                            peer.socket.onclose = function() { Module["websocket"].emit("close", sock.stream.fd) };
                            peer.socket.onmessage = function peer_socket_onmessage(event) { handleMessage(event.data) };
                            peer.socket.onerror = function(error) {
                                sock.error = 14;
                                Module["websocket"].emit("error", [sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused"])
                            }
                        }
                    },
                    poll: function(sock) { if (sock.type === 1 && sock.server) { return sock.pending.length ? 64 | 1 : 0 } var mask = 0; var dest = sock.type === 1 ? SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) : null; if (sock.recv_queue.length || !dest || dest && dest.socket.readyState === dest.socket.CLOSING || dest && dest.socket.readyState === dest.socket.CLOSED) { mask |= 64 | 1 } if (!dest || dest && dest.socket.readyState === dest.socket.OPEN) { mask |= 4 } if (dest && dest.socket.readyState === dest.socket.CLOSING || dest && dest.socket.readyState === dest.socket.CLOSED) { mask |= 16 } return mask },
                    ioctl: function(sock, request, arg) {
                        switch (request) {
                            case 21531:
                                var bytes = 0;
                                if (sock.recv_queue.length) { bytes = sock.recv_queue[0].data.length }
                                GROWABLE_HEAP_I32()[arg >> 2] = bytes;
                                return 0;
                            default:
                                return 28
                        }
                    },
                    close: function(sock) {
                        if (sock.server) {
                            try { sock.server.close() } catch (e) {}
                            sock.server = null
                        }
                        var peers = Object.keys(sock.peers);
                        for (var i = 0; i < peers.length; i++) {
                            var peer = sock.peers[peers[i]];
                            try { peer.socket.close() } catch (e) {}
                            SOCKFS.websocket_sock_ops.removePeer(sock, peer)
                        }
                        return 0
                    },
                    bind: function(sock, addr, port) {
                        if (typeof sock.saddr != "undefined" || typeof sock.sport != "undefined") { throw new FS.ErrnoError(28) }
                        sock.saddr = addr;
                        sock.sport = port;
                        if (sock.type === 2) {
                            if (sock.server) {
                                sock.server.close();
                                sock.server = null
                            }
                            try { sock.sock_ops.listen(sock, 0) } catch (e) { if (!(e instanceof FS.ErrnoError)) throw e; if (e.errno !== 138) throw e }
                        }
                    },
                    connect: function(sock, addr, port) {
                        if (sock.server) { throw new FS.ErrnoError(138) }
                        if (typeof sock.daddr != "undefined" && typeof sock.dport != "undefined") { var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport); if (dest) { if (dest.socket.readyState === dest.socket.CONNECTING) { throw new FS.ErrnoError(7) } else { throw new FS.ErrnoError(30) } } }
                        var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
                        sock.daddr = peer.addr;
                        sock.dport = peer.port;
                        throw new FS.ErrnoError(26)
                    },
                    listen: function(sock, backlog) { if (!ENVIRONMENT_IS_NODE) { throw new FS.ErrnoError(138) } },
                    accept: function(listensock) {
                        if (!listensock.server) { throw new FS.ErrnoError(28) }
                        var newsock = listensock.pending.shift();
                        newsock.stream.flags = listensock.stream.flags;
                        return newsock
                    },
                    getname: function(sock, peer) {
                        var addr, port;
                        if (peer) {
                            if (sock.daddr === undefined || sock.dport === undefined) { throw new FS.ErrnoError(53) }
                            addr = sock.daddr;
                            port = sock.dport
                        } else {
                            addr = sock.saddr || 0;
                            port = sock.sport || 0
                        }
                        return { addr: addr, port: port }
                    },
                    sendmsg: function(sock, buffer, offset, length, addr, port) {
                        if (sock.type === 2) {
                            if (addr === undefined || port === undefined) {
                                addr = sock.daddr;
                                port = sock.dport
                            }
                            if (addr === undefined || port === undefined) { throw new FS.ErrnoError(17) }
                        } else {
                            addr = sock.daddr;
                            port = sock.dport
                        }
                        var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port);
                        if (sock.type === 1) { if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) { throw new FS.ErrnoError(53) } else if (dest.socket.readyState === dest.socket.CONNECTING) { throw new FS.ErrnoError(6) } }
                        if (ArrayBuffer.isView(buffer)) {
                            offset += buffer.byteOffset;
                            buffer = buffer.buffer
                        }
                        var data;
                        if (buffer instanceof SharedArrayBuffer) { data = new Uint8Array(new Uint8Array(buffer.slice(offset, offset + length))).buffer } else { data = buffer.slice(offset, offset + length) }
                        if (sock.type === 2) {
                            if (!dest || dest.socket.readyState !== dest.socket.OPEN) {
                                if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) { dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port) }
                                dest.dgram_send_queue.push(data);
                                return length
                            }
                        }
                        try { dest.socket.send(data); return length } catch (e) { throw new FS.ErrnoError(28) }
                    },
                    recvmsg: function(sock, length) {
                        if (sock.type === 1 && sock.server) { throw new FS.ErrnoError(53) }
                        var queued = sock.recv_queue.shift();
                        if (!queued) { if (sock.type === 1) { var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport); if (!dest) { throw new FS.ErrnoError(53) } else if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) { return null } else { throw new FS.ErrnoError(6) } } else { throw new FS.ErrnoError(6) } }
                        var queuedLength = queued.data.byteLength || queued.data.length;
                        var queuedOffset = queued.data.byteOffset || 0;
                        var queuedBuffer = queued.data.buffer || queued.data;
                        var bytesRead = Math.min(length, queuedLength);
                        var res = { buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead), addr: queued.addr, port: queued.port };
                        if (sock.type === 1 && bytesRead < queuedLength) {
                            var bytesRemaining = queuedLength - bytesRead;
                            queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining);
                            sock.recv_queue.unshift(queued)
                        }
                        return res
                    }
                }
            };

            function getSocketFromFD(fd) { var socket = SOCKFS.getSocket(fd); if (!socket) throw new FS.ErrnoError(8); return socket }

            function inetPton4(str) {
                var b = str.split(".");
                for (var i = 0; i < 4; i++) {
                    var tmp = Number(b[i]);
                    if (isNaN(tmp)) return null;
                    b[i] = tmp
                }
                return (b[0] | b[1] << 8 | b[2] << 16 | b[3] << 24) >>> 0
            }

            function jstoi_q(str) { return parseInt(str) }

            function inetPton6(str) {
                var words;
                var w, offset, z;
                var valid6regx = /^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i;
                var parts = [];
                if (!valid6regx.test(str)) { return null }
                if (str === "::") { return [0, 0, 0, 0, 0, 0, 0, 0] }
                if (str.startsWith("::")) { str = str.replace("::", "Z:") } else { str = str.replace("::", ":Z:") }
                if (str.indexOf(".") > 0) {
                    str = str.replace(new RegExp("[.]", "g"), ":");
                    words = str.split(":");
                    words[words.length - 4] = jstoi_q(words[words.length - 4]) + jstoi_q(words[words.length - 3]) * 256;
                    words[words.length - 3] = jstoi_q(words[words.length - 2]) + jstoi_q(words[words.length - 1]) * 256;
                    words = words.slice(0, words.length - 2)
                } else { words = str.split(":") }
                offset = 0;
                z = 0;
                for (w = 0; w < words.length; w++) {
                    if (typeof words[w] == "string") {
                        if (words[w] === "Z") {
                            for (z = 0; z < 8 - words.length + 1; z++) { parts[w + z] = 0 }
                            offset = z - 1
                        } else { parts[w + offset] = _htons(parseInt(words[w], 16)) }
                    } else { parts[w + offset] = words[w] }
                }
                return [parts[1] << 16 | parts[0], parts[3] << 16 | parts[2], parts[5] << 16 | parts[4], parts[7] << 16 | parts[6]]
            }

            function writeSockaddr(sa, family, addr, port, addrlen) {
                switch (family) {
                    case 2:
                        addr = inetPton4(addr);
                        zeroMemory(sa, 16);
                        if (addrlen) { GROWABLE_HEAP_I32()[addrlen >> 2] = 16 }
                        GROWABLE_HEAP_I16()[sa >> 1] = family;
                        GROWABLE_HEAP_I32()[sa + 4 >> 2] = addr;
                        GROWABLE_HEAP_I16()[sa + 2 >> 1] = _htons(port);
                        break;
                    case 10:
                        addr = inetPton6(addr);
                        zeroMemory(sa, 28);
                        if (addrlen) { GROWABLE_HEAP_I32()[addrlen >> 2] = 28 }
                        GROWABLE_HEAP_I32()[sa >> 2] = family;
                        GROWABLE_HEAP_I32()[sa + 8 >> 2] = addr[0];
                        GROWABLE_HEAP_I32()[sa + 12 >> 2] = addr[1];
                        GROWABLE_HEAP_I32()[sa + 16 >> 2] = addr[2];
                        GROWABLE_HEAP_I32()[sa + 20 >> 2] = addr[3];
                        GROWABLE_HEAP_I16()[sa + 2 >> 1] = _htons(port);
                        break;
                    default:
                        return 5
                }
                return 0
            }
            var DNS = {
                address_map: { id: 1, addrs: {}, names: {} },
                lookup_name: function(name) {
                    var res = inetPton4(name);
                    if (res !== null) { return name }
                    res = inetPton6(name);
                    if (res !== null) { return name }
                    var addr;
                    if (DNS.address_map.addrs[name]) { addr = DNS.address_map.addrs[name] } else {
                        var id = DNS.address_map.id++;
                        assert(id < 65535, "exceeded max address mappings of 65535");
                        addr = "172.29." + (id & 255) + "." + (id & 65280);
                        DNS.address_map.names[addr] = name;
                        DNS.address_map.addrs[name] = addr
                    }
                    return addr
                },
                lookup_addr: function(addr) { if (DNS.address_map.names[addr]) { return DNS.address_map.names[addr] } return null }
            };

            function ___syscall_accept4(fd, addr, addrlen, flags) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(3, 1, fd, addr, addrlen, flags); try { var sock = getSocketFromFD(fd); var newsock = sock.sock_ops.accept(sock); if (addr) { var errno = writeSockaddr(addr, newsock.family, DNS.lookup_name(newsock.daddr), newsock.dport, addrlen) } return newsock.stream.fd } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno } }

            function inetNtop4(addr) { return (addr & 255) + "." + (addr >> 8 & 255) + "." + (addr >> 16 & 255) + "." + (addr >> 24 & 255) }

            function inetNtop6(ints) {
                var str = "";
                var word = 0;
                var longest = 0;
                var lastzero = 0;
                var zstart = 0;
                var len = 0;
                var i = 0;
                var parts = [ints[0] & 65535, ints[0] >> 16, ints[1] & 65535, ints[1] >> 16, ints[2] & 65535, ints[2] >> 16, ints[3] & 65535, ints[3] >> 16];
                var hasipv4 = true;
                var v4part = "";
                for (i = 0; i < 5; i++) { if (parts[i] !== 0) { hasipv4 = false; break } }
                if (hasipv4) {
                    v4part = inetNtop4(parts[6] | parts[7] << 16);
                    if (parts[5] === -1) {
                        str = "::ffff:";
                        str += v4part;
                        return str
                    }
                    if (parts[5] === 0) {
                        str = "::";
                        if (v4part === "0.0.0.0") v4part = "";
                        if (v4part === "0.0.0.1") v4part = "1";
                        str += v4part;
                        return str
                    }
                }
                for (word = 0; word < 8; word++) {
                    if (parts[word] === 0) {
                        if (word - lastzero > 1) { len = 0 }
                        lastzero = word;
                        len++
                    }
                    if (len > longest) {
                        longest = len;
                        zstart = word - longest + 1
                    }
                }
                for (word = 0; word < 8; word++) {
                    if (longest > 1) { if (parts[word] === 0 && word >= zstart && word < zstart + longest) { if (word === zstart) { str += ":"; if (zstart === 0) str += ":" } continue } }
                    str += Number(_ntohs(parts[word] & 65535)).toString(16);
                    str += word < 7 ? ":" : ""
                }
                return str
            }

            function readSockaddr(sa, salen) {
                var family = GROWABLE_HEAP_I16()[sa >> 1];
                var port = _ntohs(GROWABLE_HEAP_U16()[sa + 2 >> 1]);
                var addr;
                switch (family) {
                    case 2:
                        if (salen !== 16) { return { errno: 28 } }
                        addr = GROWABLE_HEAP_I32()[sa + 4 >> 2];
                        addr = inetNtop4(addr);
                        break;
                    case 10:
                        if (salen !== 28) { return { errno: 28 } }
                        addr = [GROWABLE_HEAP_I32()[sa + 8 >> 2], GROWABLE_HEAP_I32()[sa + 12 >> 2], GROWABLE_HEAP_I32()[sa + 16 >> 2], GROWABLE_HEAP_I32()[sa + 20 >> 2]];
                        addr = inetNtop6(addr);
                        break;
                    default:
                        return { errno: 5 }
                }
                return { family: family, addr: addr, port: port }
            }

            function getSocketAddress(addrp, addrlen, allowNull) {
                if (allowNull && addrp === 0) return null;
                var info = readSockaddr(addrp, addrlen);
                if (info.errno) throw new FS.ErrnoError(info.errno);
                info.addr = DNS.lookup_addr(info.addr) || info.addr;
                return info
            }

            function ___syscall_bind(fd, addr, addrlen) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(4, 1, fd, addr, addrlen);
                try {
                    var sock = getSocketFromFD(fd);
                    var info = getSocketAddress(addr, addrlen);
                    sock.sock_ops.bind(sock, info.addr, info.port);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_chdir(path) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(5, 1, path);
                try {
                    path = SYSCALLS.getStr(path);
                    FS.chdir(path);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_chmod(path, mode) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(6, 1, path, mode);
                try {
                    path = SYSCALLS.getStr(path);
                    FS.chmod(path, mode);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_connect(fd, addr, addrlen) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(7, 1, fd, addr, addrlen);
                try {
                    var sock = getSocketFromFD(fd);
                    var info = getSocketAddress(addr, addrlen);
                    sock.sock_ops.connect(sock, info.addr, info.port);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_faccessat(dirfd, path, amode, flags) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(8, 1, dirfd, path, amode, flags);
                try {
                    path = SYSCALLS.getStr(path);
                    path = SYSCALLS.calculateAt(dirfd, path);
                    return SYSCALLS.doAccess(path, amode)
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_fcntl64(fd, cmd, varargs) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(9, 1, fd, cmd, varargs);
                SYSCALLS.varargs = varargs;
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    switch (cmd) {
                        case 0:
                            { var arg = SYSCALLS.get(); if (arg < 0) { return -28 } var newStream;newStream = FS.open(stream.path, stream.flags, 0, arg); return newStream.fd }
                        case 1:
                        case 2:
                            return 0;
                        case 3:
                            return stream.flags;
                        case 4:
                            { var arg = SYSCALLS.get();stream.flags |= arg; return 0 }
                        case 5:
                            { var arg = SYSCALLS.get(); var offset = 0;GROWABLE_HEAP_I16()[arg + offset >> 1] = 2; return 0 }
                        case 6:
                        case 7:
                            return 0;
                        case 16:
                        case 8:
                            return -28;
                        case 9:
                            setErrNo(28);
                            return -1;
                        default:
                            { return -28 }
                    }
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_fstat64(fd, buf) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(10, 1, fd, buf); try { var stream = SYSCALLS.getStreamFromFD(fd); return SYSCALLS.doStat(FS.stat, stream.path, buf) } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno } }

            function ___syscall_fstatat64(dirfd, path, buf, flags) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(11, 1, dirfd, path, buf, flags);
                try {
                    path = SYSCALLS.getStr(path);
                    var nofollow = flags & 256;
                    var allowEmpty = flags & 4096;
                    flags = flags & ~4352;
                    path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
                    return SYSCALLS.doStat(nofollow ? FS.lstat : FS.stat, path, buf)
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_getcwd(buf, size) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(12, 1, buf, size);
                try {
                    if (size === 0) return -28;
                    var cwd = FS.cwd();
                    var cwdLengthInBytes = lengthBytesUTF8(cwd);
                    if (size < cwdLengthInBytes + 1) return -68;
                    stringToUTF8(cwd, buf, size);
                    return buf
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_getdents64(fd, dirp, count) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(13, 1, fd, dirp, count);
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    if (!stream.getdents) { stream.getdents = FS.readdir(stream.path) }
                    var struct_size = 280;
                    var pos = 0;
                    var off = FS.llseek(stream, 0, 1);
                    var idx = Math.floor(off / struct_size);
                    while (idx < stream.getdents.length && pos + struct_size <= count) {
                        var id;
                        var type;
                        var name = stream.getdents[idx];
                        if (name === ".") {
                            id = stream.node.id;
                            type = 4
                        } else if (name === "..") {
                            var lookup = FS.lookupPath(stream.path, { parent: true });
                            id = lookup.node.id;
                            type = 4
                        } else {
                            var child = FS.lookupNode(stream.node, name);
                            id = child.id;
                            type = FS.isChrdev(child.mode) ? 2 : FS.isDir(child.mode) ? 4 : FS.isLink(child.mode) ? 10 : 8
                        }
                        tempI64 = [id >>> 0, (tempDouble = id, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], GROWABLE_HEAP_I32()[dirp + pos >> 2] = tempI64[0], GROWABLE_HEAP_I32()[dirp + pos + 4 >> 2] = tempI64[1];
                        tempI64 = [(idx + 1) * struct_size >>> 0, (tempDouble = (idx + 1) * struct_size, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], GROWABLE_HEAP_I32()[dirp + pos + 8 >> 2] = tempI64[0], GROWABLE_HEAP_I32()[dirp + pos + 12 >> 2] = tempI64[1];
                        GROWABLE_HEAP_I16()[dirp + pos + 16 >> 1] = 280;
                        GROWABLE_HEAP_I8()[dirp + pos + 18 >> 0] = type;
                        stringToUTF8(name, dirp + pos + 19, 256);
                        pos += struct_size;
                        idx += 1
                    }
                    FS.llseek(stream, idx * struct_size, 0);
                    return pos
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_getsockname(fd, addr, addrlen) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(14, 1, fd, addr, addrlen); try { err("__syscall_getsockname " + fd); var sock = getSocketFromFD(fd); var errno = writeSockaddr(addr, sock.family, DNS.lookup_name(sock.saddr || "0.0.0.0"), sock.sport, addrlen); return 0 } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno } }

            function ___syscall_getsockopt(fd, level, optname, optval, optlen) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(15, 1, fd, level, optname, optval, optlen);
                try {
                    var sock = getSocketFromFD(fd);
                    if (level === 1) {
                        if (optname === 4) {
                            GROWABLE_HEAP_I32()[optval >> 2] = sock.error;
                            GROWABLE_HEAP_I32()[optlen >> 2] = 4;
                            sock.error = null;
                            return 0
                        }
                    }
                    return -50
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_ioctl(fd, op, varargs) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(16, 1, fd, op, varargs);
                SYSCALLS.varargs = varargs;
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    switch (op) {
                        case 21509:
                        case 21505:
                            { if (!stream.tty) return -59; return 0 }
                        case 21510:
                        case 21511:
                        case 21512:
                        case 21506:
                        case 21507:
                        case 21508:
                            { if (!stream.tty) return -59; return 0 }
                        case 21519:
                            { if (!stream.tty) return -59; var argp = SYSCALLS.get();GROWABLE_HEAP_I32()[argp >> 2] = 0; return 0 }
                        case 21520:
                            { if (!stream.tty) return -59; return -28 }
                        case 21531:
                            { var argp = SYSCALLS.get(); return FS.ioctl(stream, op, argp) }
                        case 21523:
                            { if (!stream.tty) return -59; return 0 }
                        case 21524:
                            { if (!stream.tty) return -59; return 0 }
                        default:
                            abort("bad ioctl syscall " + op)
                    }
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_listen(fd, backlog) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(17, 1, fd, backlog);
                try {
                    var sock = getSocketFromFD(fd);
                    sock.sock_ops.listen(sock, backlog);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_lstat64(path, buf) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(18, 1, path, buf); try { path = SYSCALLS.getStr(path); return SYSCALLS.doStat(FS.lstat, path, buf) } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno } }

            function ___syscall_mkdir(path, mode) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(19, 1, path, mode); try { path = SYSCALLS.getStr(path); return SYSCALLS.doMkdir(path, mode) } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno } }

            function ___syscall_open(path, flags, varargs) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(20, 1, path, flags, varargs);
                SYSCALLS.varargs = varargs;
                try { var pathname = SYSCALLS.getStr(path); var mode = varargs ? SYSCALLS.get() : 0; var stream = FS.open(pathname, flags, mode); return stream.fd } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_poll(fds, nfds, timeout) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(21, 1, fds, nfds, timeout);
                try {
                    var nonzero = 0;
                    for (var i = 0; i < nfds; i++) {
                        var pollfd = fds + 8 * i;
                        var fd = GROWABLE_HEAP_I32()[pollfd >> 2];
                        var events = GROWABLE_HEAP_I16()[pollfd + 4 >> 1];
                        var mask = 32;
                        var stream = FS.getStream(fd);
                        if (stream) { mask = SYSCALLS.DEFAULT_POLLMASK; if (stream.stream_ops.poll) { mask = stream.stream_ops.poll(stream) } }
                        mask &= events | 8 | 16;
                        if (mask) nonzero++;
                        GROWABLE_HEAP_I16()[pollfd + 6 >> 1] = mask
                    }
                    return nonzero
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_readlink(path, buf, bufsize) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(22, 1, path, buf, bufsize); try { path = SYSCALLS.getStr(path); return SYSCALLS.doReadlink(path, buf, bufsize) } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno } }

            function ___syscall_recvfrom(fd, buf, len, flags, addr, addrlen) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(23, 1, fd, buf, len, flags, addr, addrlen);
                try {
                    var sock = getSocketFromFD(fd);
                    var msg = sock.sock_ops.recvmsg(sock, len);
                    if (!msg) return 0;
                    if (addr) { var errno = writeSockaddr(addr, sock.family, DNS.lookup_name(msg.addr), msg.port, addrlen) }
                    GROWABLE_HEAP_U8().set(msg.buffer, buf);
                    return msg.buffer.byteLength
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_rename(old_path, new_path) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(24, 1, old_path, new_path);
                try {
                    old_path = SYSCALLS.getStr(old_path);
                    new_path = SYSCALLS.getStr(new_path);
                    FS.rename(old_path, new_path);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_rmdir(path) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(25, 1, path);
                try {
                    path = SYSCALLS.getStr(path);
                    FS.rmdir(path);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_sendto(fd, message, length, flags, addr, addr_len) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(26, 1, fd, message, length, flags, addr, addr_len); try { var sock = getSocketFromFD(fd); var dest = getSocketAddress(addr, addr_len, true); if (!dest) { return FS.write(sock.stream, GROWABLE_HEAP_I8(), message, length) } else { return sock.sock_ops.sendmsg(sock, GROWABLE_HEAP_I8(), message, length, dest.addr, dest.port) } } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno } }

            function ___syscall_socket(domain, type, protocol) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(27, 1, domain, type, protocol); try { var sock = SOCKFS.createSocket(domain, type, protocol); return sock.stream.fd } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno } }

            function ___syscall_stat64(path, buf) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(28, 1, path, buf); try { path = SYSCALLS.getStr(path); return SYSCALLS.doStat(FS.stat, path, buf) } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno } }

            function ___syscall_statfs64(path, size, buf) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(29, 1, path, size, buf);
                try {
                    path = SYSCALLS.getStr(path);
                    GROWABLE_HEAP_I32()[buf + 4 >> 2] = 4096;
                    GROWABLE_HEAP_I32()[buf + 40 >> 2] = 4096;
                    GROWABLE_HEAP_I32()[buf + 8 >> 2] = 1e6;
                    GROWABLE_HEAP_I32()[buf + 12 >> 2] = 5e5;
                    GROWABLE_HEAP_I32()[buf + 16 >> 2] = 5e5;
                    GROWABLE_HEAP_I32()[buf + 20 >> 2] = FS.nextInode;
                    GROWABLE_HEAP_I32()[buf + 24 >> 2] = 1e6;
                    GROWABLE_HEAP_I32()[buf + 28 >> 2] = 42;
                    GROWABLE_HEAP_I32()[buf + 44 >> 2] = 2;
                    GROWABLE_HEAP_I32()[buf + 36 >> 2] = 255;
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_symlink(target, linkpath) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(30, 1, target, linkpath);
                try {
                    target = SYSCALLS.getStr(target);
                    linkpath = SYSCALLS.getStr(linkpath);
                    FS.symlink(target, linkpath);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function ___syscall_unlink(path) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(31, 1, path);
                try {
                    path = SYSCALLS.getStr(path);
                    FS.unlink(path);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return -e.errno }
            }

            function __dlopen_js(filename, flag) { abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/emscripten-core/emscripten/wiki/Linking") }

            function __dlsym_js(handle, symbol) { abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/emscripten-core/emscripten/wiki/Linking") }

            function __emscripten_default_pthread_stack_size() { return 2097152 }

            function __emscripten_notify_thread_queue(targetThreadId, mainThreadId) {
                if (targetThreadId == mainThreadId) { postMessage({ "cmd": "processQueuedMainThreadWork" }) } else if (ENVIRONMENT_IS_PTHREAD) { postMessage({ "targetThread": targetThreadId, "cmd": "processThreadQueue" }) } else {
                    var pthread = PThread.pthreads[targetThreadId];
                    var worker = pthread && pthread.worker;
                    if (!worker) { return }
                    worker.postMessage({ "cmd": "processThreadQueue" })
                }
                return 1
            }

            function __emscripten_proxied_gl_context_activated_from_main_browser_thread(contextHandle) {
                GLctx = Module.ctx = GL.currentContext = contextHandle;
                GL.currentContextIsProxied = true
            }

            function __emscripten_throw_longjmp() { throw Infinity }

            function __gmtime_js(time, tmPtr) {
                var date = new Date(GROWABLE_HEAP_I32()[time >> 2] * 1e3);
                GROWABLE_HEAP_I32()[tmPtr >> 2] = date.getUTCSeconds();
                GROWABLE_HEAP_I32()[tmPtr + 4 >> 2] = date.getUTCMinutes();
                GROWABLE_HEAP_I32()[tmPtr + 8 >> 2] = date.getUTCHours();
                GROWABLE_HEAP_I32()[tmPtr + 12 >> 2] = date.getUTCDate();
                GROWABLE_HEAP_I32()[tmPtr + 16 >> 2] = date.getUTCMonth();
                GROWABLE_HEAP_I32()[tmPtr + 20 >> 2] = date.getUTCFullYear() - 1900;
                GROWABLE_HEAP_I32()[tmPtr + 24 >> 2] = date.getUTCDay();
                var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
                var yday = (date.getTime() - start) / (1e3 * 60 * 60 * 24) | 0;
                GROWABLE_HEAP_I32()[tmPtr + 28 >> 2] = yday
            }

            function __localtime_js(time, tmPtr) {
                var date = new Date(GROWABLE_HEAP_I32()[time >> 2] * 1e3);
                GROWABLE_HEAP_I32()[tmPtr >> 2] = date.getSeconds();
                GROWABLE_HEAP_I32()[tmPtr + 4 >> 2] = date.getMinutes();
                GROWABLE_HEAP_I32()[tmPtr + 8 >> 2] = date.getHours();
                GROWABLE_HEAP_I32()[tmPtr + 12 >> 2] = date.getDate();
                GROWABLE_HEAP_I32()[tmPtr + 16 >> 2] = date.getMonth();
                GROWABLE_HEAP_I32()[tmPtr + 20 >> 2] = date.getFullYear() - 1900;
                GROWABLE_HEAP_I32()[tmPtr + 24 >> 2] = date.getDay();
                var start = new Date(date.getFullYear(), 0, 1);
                var yday = (date.getTime() - start.getTime()) / (1e3 * 60 * 60 * 24) | 0;
                GROWABLE_HEAP_I32()[tmPtr + 28 >> 2] = yday;
                GROWABLE_HEAP_I32()[tmPtr + 36 >> 2] = -(date.getTimezoneOffset() * 60);
                var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
                var winterOffset = start.getTimezoneOffset();
                var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
                GROWABLE_HEAP_I32()[tmPtr + 32 >> 2] = dst
            }

            function _tzset_impl(timezone, daylight, tzname) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(32, 1, timezone, daylight, tzname);
                var currentYear = (new Date).getFullYear();
                var winter = new Date(currentYear, 0, 1);
                var summer = new Date(currentYear, 6, 1);
                var winterOffset = winter.getTimezoneOffset();
                var summerOffset = summer.getTimezoneOffset();
                var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
                GROWABLE_HEAP_I32()[timezone >> 2] = stdTimezoneOffset * 60;
                GROWABLE_HEAP_I32()[daylight >> 2] = Number(winterOffset != summerOffset);

                function extractZone(date) { var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/); return match ? match[1] : "GMT" }
                var winterName = extractZone(winter);
                var summerName = extractZone(summer);
                var winterNamePtr = allocateUTF8(winterName);
                var summerNamePtr = allocateUTF8(summerName);
                if (summerOffset < winterOffset) {
                    GROWABLE_HEAP_I32()[tzname >> 2] = winterNamePtr;
                    GROWABLE_HEAP_I32()[tzname + 4 >> 2] = summerNamePtr
                } else {
                    GROWABLE_HEAP_I32()[tzname >> 2] = summerNamePtr;
                    GROWABLE_HEAP_I32()[tzname + 4 >> 2] = winterNamePtr
                }
            }

            function __tzset_js(timezone, daylight, tzname) {
                if (__tzset_js.called) return;
                __tzset_js.called = true;
                _tzset_impl(timezone, daylight, tzname)
            }

            function _abort() { abort("") }

            function _emscripten_set_main_loop_timing(mode, value) {
                Browser.mainLoop.timingMode = mode;
                Browser.mainLoop.timingValue = value;
                if (!Browser.mainLoop.func) { return 1 }
                if (!Browser.mainLoop.running) {
                    runtimeKeepalivePush();
                    Browser.mainLoop.running = true
                }
                if (mode == 0) {
                    Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
                        var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now()) | 0;
                        setTimeout(Browser.mainLoop.runner, timeUntilNextTick)
                    };
                    Browser.mainLoop.method = "timeout"
                } else if (mode == 1) {
                    Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() { Browser.requestAnimationFrame(Browser.mainLoop.runner) };
                    Browser.mainLoop.method = "rAF"
                } else if (mode == 2) {
                    if (typeof setImmediate == "undefined") {
                        var setImmediates = [];
                        var emscriptenMainLoopMessageId = "setimmediate";
                        var Browser_setImmediate_messageHandler = function(event) {
                            if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
                                event.stopPropagation();
                                setImmediates.shift()()
                            }
                        };
                        addEventListener("message", Browser_setImmediate_messageHandler, true);
                        setImmediate = function Browser_emulated_setImmediate(func) {
                            setImmediates.push(func);
                            if (ENVIRONMENT_IS_WORKER) {
                                if (Module["setImmediates"] === undefined) Module["setImmediates"] = [];
                                Module["setImmediates"].push(func);
                                postMessage({ target: emscriptenMainLoopMessageId })
                            } else postMessage(emscriptenMainLoopMessageId, "*")
                        }
                    }
                    Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() { setImmediate(Browser.mainLoop.runner) };
                    Browser.mainLoop.method = "immediate"
                }
                return 0
            }

            function runtimeKeepalivePush() { runtimeKeepaliveCounter += 1 }

            function maybeExit() {
                if (!keepRuntimeAlive()) {
                    try {
                        if (ENVIRONMENT_IS_PTHREAD) __emscripten_thread_exit(EXITSTATUS);
                        else _exit(EXITSTATUS)
                    } catch (e) { handleException(e) }
                }
            }

            function setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) {
                assert(!Browser.mainLoop.func, "emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.");
                Browser.mainLoop.func = browserIterationFunc;
                Browser.mainLoop.arg = arg;
                var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop;

                function checkIsRunning() {
                    if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) {
                        runtimeKeepalivePop();
                        maybeExit();
                        return false
                    }
                    return true
                }
                Browser.mainLoop.running = false;
                Browser.mainLoop.runner = function Browser_mainLoop_runner() {
                    if (ABORT) return;
                    if (Browser.mainLoop.queue.length > 0) {
                        var start = Date.now();
                        var blocker = Browser.mainLoop.queue.shift();
                        blocker.func(blocker.arg);
                        if (Browser.mainLoop.remainingBlockers) {
                            var remaining = Browser.mainLoop.remainingBlockers;
                            var next = remaining % 1 == 0 ? remaining - 1 : Math.floor(remaining);
                            if (blocker.counted) { Browser.mainLoop.remainingBlockers = next } else {
                                next = next + .5;
                                Browser.mainLoop.remainingBlockers = (8 * remaining + next) / 9
                            }
                        }
                        out('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + " ms");
                        Browser.mainLoop.updateStatus();
                        if (!checkIsRunning()) return;
                        setTimeout(Browser.mainLoop.runner, 0);
                        return
                    }
                    if (!checkIsRunning()) return;
                    Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0;
                    if (Browser.mainLoop.timingMode == 1 && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) { Browser.mainLoop.scheduler(); return } else if (Browser.mainLoop.timingMode == 0) { Browser.mainLoop.tickStartTime = _emscripten_get_now() }
                    Browser.mainLoop.runIter(browserIterationFunc);
                    if (!checkIsRunning()) return;
                    if (typeof SDL == "object" && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData();
                    Browser.mainLoop.scheduler()
                };
                if (!noSetTiming) {
                    if (fps && fps > 0) _emscripten_set_main_loop_timing(0, 1e3 / fps);
                    else _emscripten_set_main_loop_timing(1, 1);
                    Browser.mainLoop.scheduler()
                }
                if (simulateInfiniteLoop) { throw "unwind" }
            }

            function callUserCallback(func, synchronous) {
                if (runtimeExited || ABORT) { return }
                if (synchronous) { func(); return }
                try {
                    func();
                    maybeExit()
                } catch (e) { handleException(e) }
            }

            function runtimeKeepalivePop() { runtimeKeepaliveCounter -= 1 }

            function safeSetTimeout(func, timeout) {
                runtimeKeepalivePush();
                return setTimeout(function() {
                    runtimeKeepalivePop();
                    callUserCallback(func)
                }, timeout)
            }
            var Browser = {
                mainLoop: {
                    running: false,
                    scheduler: null,
                    method: "",
                    currentlyRunningMainloop: 0,
                    func: null,
                    arg: 0,
                    timingMode: 0,
                    timingValue: 0,
                    currentFrameNumber: 0,
                    queue: [],
                    pause: function() {
                        Browser.mainLoop.scheduler = null;
                        Browser.mainLoop.currentlyRunningMainloop++
                    },
                    resume: function() {
                        Browser.mainLoop.currentlyRunningMainloop++;
                        var timingMode = Browser.mainLoop.timingMode;
                        var timingValue = Browser.mainLoop.timingValue;
                        var func = Browser.mainLoop.func;
                        Browser.mainLoop.func = null;
                        setMainLoop(func, 0, false, Browser.mainLoop.arg, true);
                        _emscripten_set_main_loop_timing(timingMode, timingValue);
                        Browser.mainLoop.scheduler()
                    },
                    updateStatus: function() { if (Module["setStatus"]) { var message = Module["statusMessage"] || "Please wait..."; var remaining = Browser.mainLoop.remainingBlockers; var expected = Browser.mainLoop.expectedBlockers; if (remaining) { if (remaining < expected) { Module["setStatus"](message + " (" + (expected - remaining) + "/" + expected + ")") } else { Module["setStatus"](message) } } else { Module["setStatus"]("") } } },
                    runIter: function(func) {
                        if (ABORT) return;
                        if (Module["preMainLoop"]) { var preRet = Module["preMainLoop"](); if (preRet === false) { return } }
                        callUserCallback(func);
                        if (Module["postMainLoop"]) Module["postMainLoop"]()
                    }
                },
                isFullscreen: false,
                pointerLock: false,
                moduleContextCreatedCallbacks: [],
                workers: [],
                init: function() {
                    if (!Module["preloadPlugins"]) Module["preloadPlugins"] = [];
                    if (Browser.initted) return;
                    Browser.initted = true;
                    try {
                        new Blob;
                        Browser.hasBlobConstructor = true
                    } catch (e) {
                        Browser.hasBlobConstructor = false;
                        out("warning: no blob constructor, cannot create blobs with mimetypes")
                    }
                    Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : !Browser.hasBlobConstructor ? out("warning: no BlobBuilder") : null;
                    Browser.URLObject = typeof window != "undefined" ? window.URL ? window.URL : window.webkitURL : undefined;
                    if (!Module.noImageDecoding && typeof Browser.URLObject == "undefined") {
                        out("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
                        Module.noImageDecoding = true
                    }
                    var imagePlugin = {};
                    imagePlugin["canHandle"] = function imagePlugin_canHandle(name) { return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name) };
                    imagePlugin["handle"] = function imagePlugin_handle(byteArray, name, onload, onerror) {
                        var b = null;
                        if (Browser.hasBlobConstructor) { try { b = new Blob([byteArray], { type: Browser.getMimetype(name) }); if (b.size !== byteArray.length) { b = new Blob([new Uint8Array(byteArray).buffer], { type: Browser.getMimetype(name) }) } } catch (e) { warnOnce("Blob constructor present but fails: " + e + "; falling back to blob builder") } }
                        if (!b) {
                            var bb = new Browser.BlobBuilder;
                            bb.append(new Uint8Array(byteArray).buffer);
                            b = bb.getBlob()
                        }
                        var url = Browser.URLObject.createObjectURL(b);
                        var img = new Image;
                        img.onload = (() => {
                            assert(img.complete, "Image " + name + " could not be decoded");
                            var canvas = document.createElement("canvas");
                            canvas.width = img.width;
                            canvas.height = img.height;
                            var ctx = canvas.getContext("2d");
                            ctx.drawImage(img, 0, 0);
                            Module["preloadedImages"][name] = canvas;
                            Browser.URLObject.revokeObjectURL(url);
                            if (onload) onload(byteArray)
                        });
                        img.onerror = (event => { out("Image " + url + " could not be decoded"); if (onerror) onerror() });
                        img.src = url
                    };
                    Module["preloadPlugins"].push(imagePlugin);
                    var audioPlugin = {};
                    audioPlugin["canHandle"] = function audioPlugin_canHandle(name) { return !Module.noAudioDecoding && name.substr(-4) in { ".ogg": 1, ".wav": 1, ".mp3": 1 } };
                    audioPlugin["handle"] = function audioPlugin_handle(byteArray, name, onload, onerror) {
                        var done = false;

                        function finish(audio) {
                            if (done) return;
                            done = true;
                            Module["preloadedAudios"][name] = audio;
                            if (onload) onload(byteArray)
                        }

                        function fail() {
                            if (done) return;
                            done = true;
                            Module["preloadedAudios"][name] = new Audio;
                            if (onerror) onerror()
                        }
                        if (Browser.hasBlobConstructor) {
                            try { var b = new Blob([byteArray], { type: Browser.getMimetype(name) }) } catch (e) { return fail() }
                            var url = Browser.URLObject.createObjectURL(b);
                            var audio = new Audio;
                            audio.addEventListener("canplaythrough", function() { finish(audio) }, false);
                            audio.onerror = function audio_onerror(event) {
                                if (done) return;
                                out("warning: browser could not fully decode audio " + name + ", trying slower base64 approach");

                                function encode64(data) {
                                    var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
                                    var PAD = "=";
                                    var ret = "";
                                    var leftchar = 0;
                                    var leftbits = 0;
                                    for (var i = 0; i < data.length; i++) {
                                        leftchar = leftchar << 8 | data[i];
                                        leftbits += 8;
                                        while (leftbits >= 6) {
                                            var curr = leftchar >> leftbits - 6 & 63;
                                            leftbits -= 6;
                                            ret += BASE[curr]
                                        }
                                    }
                                    if (leftbits == 2) {
                                        ret += BASE[(leftchar & 3) << 4];
                                        ret += PAD + PAD
                                    } else if (leftbits == 4) {
                                        ret += BASE[(leftchar & 15) << 2];
                                        ret += PAD
                                    }
                                    return ret
                                }
                                audio.src = "data:audio/x-" + name.substr(-3) + ";base64," + encode64(byteArray);
                                finish(audio)
                            };
                            audio.src = url;
                            safeSetTimeout(function() { finish(audio) }, 1e4)
                        } else { return fail() }
                    };
                    Module["preloadPlugins"].push(audioPlugin);

                    function pointerLockChange() { Browser.pointerLock = document["pointerLockElement"] === Module["canvas"] || document["mozPointerLockElement"] === Module["canvas"] || document["webkitPointerLockElement"] === Module["canvas"] || document["msPointerLockElement"] === Module["canvas"] }
                    var canvas = Module["canvas"];
                    if (canvas) {
                        canvas.requestPointerLock = canvas["requestPointerLock"] || canvas["mozRequestPointerLock"] || canvas["webkitRequestPointerLock"] || canvas["msRequestPointerLock"] || function() {};
                        canvas.exitPointerLock = document["exitPointerLock"] || document["mozExitPointerLock"] || document["webkitExitPointerLock"] || document["msExitPointerLock"] || function() {};
                        canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
                        document.addEventListener("pointerlockchange", pointerLockChange, false);
                        document.addEventListener("mozpointerlockchange", pointerLockChange, false);
                        document.addEventListener("webkitpointerlockchange", pointerLockChange, false);
                        document.addEventListener("mspointerlockchange", pointerLockChange, false);
                        if (Module["elementPointerLock"]) {
                            canvas.addEventListener("click", function(ev) {
                                if (!Browser.pointerLock && Module["canvas"].requestPointerLock) {
                                    Module["canvas"].requestPointerLock();
                                    ev.preventDefault()
                                }
                            }, false)
                        }
                    }
                },
                handledByPreloadPlugin: function(byteArray, fullname, finish, onerror) {
                    Browser.init();
                    var handled = false;
                    Module["preloadPlugins"].forEach(function(plugin) {
                        if (handled) return;
                        if (plugin["canHandle"](fullname)) {
                            plugin["handle"](byteArray, fullname, finish, onerror);
                            handled = true
                        }
                    });
                    return handled
                },
                createContext: function(canvas, useWebGL, setInModule, webGLContextAttributes) {
                    if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx;
                    var ctx;
                    var contextHandle;
                    if (useWebGL) { var contextAttributes = { antialias: false, alpha: false, majorVersion: typeof WebGL2RenderingContext != "undefined" ? 2 : 1 }; if (webGLContextAttributes) { for (var attribute in webGLContextAttributes) { contextAttributes[attribute] = webGLContextAttributes[attribute] } } if (typeof GL != "undefined") { contextHandle = GL.createContext(canvas, contextAttributes); if (contextHandle) { ctx = GL.getContext(contextHandle).GLctx } } } else { ctx = canvas.getContext("2d") }
                    if (!ctx) return null;
                    if (setInModule) {
                        if (!useWebGL) assert(typeof GLctx == "undefined", "cannot set in module if GLctx is used, but we are a non-GL context that would replace it");
                        Module.ctx = ctx;
                        if (useWebGL) GL.makeContextCurrent(contextHandle);
                        Module.useWebGL = useWebGL;
                        Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() });
                        Browser.init()
                    }
                    return ctx
                },
                destroyContext: function(canvas, useWebGL, setInModule) {},
                fullscreenHandlersInstalled: false,
                lockPointer: undefined,
                resizeCanvas: undefined,
                requestFullscreen: function(lockPointer, resizeCanvas) {
                    Browser.lockPointer = lockPointer;
                    Browser.resizeCanvas = resizeCanvas;
                    if (typeof Browser.lockPointer == "undefined") Browser.lockPointer = true;
                    if (typeof Browser.resizeCanvas == "undefined") Browser.resizeCanvas = false;
                    var canvas = Module["canvas"];

                    function fullscreenChange() {
                        Browser.isFullscreen = false;
                        var canvasContainer = canvas.parentNode;
                        if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvasContainer) {
                            canvas.exitFullscreen = Browser.exitFullscreen;
                            if (Browser.lockPointer) canvas.requestPointerLock();
                            Browser.isFullscreen = true;
                            if (Browser.resizeCanvas) { Browser.setFullscreenCanvasSize() } else { Browser.updateCanvasDimensions(canvas) }
                        } else {
                            canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
                            canvasContainer.parentNode.removeChild(canvasContainer);
                            if (Browser.resizeCanvas) { Browser.setWindowedCanvasSize() } else { Browser.updateCanvasDimensions(canvas) }
                        }
                        if (Module["onFullScreen"]) Module["onFullScreen"](Browser.isFullscreen);
                        if (Module["onFullscreen"]) Module["onFullscreen"](Browser.isFullscreen)
                    }
                    if (!Browser.fullscreenHandlersInstalled) {
                        Browser.fullscreenHandlersInstalled = true;
                        document.addEventListener("fullscreenchange", fullscreenChange, false);
                        document.addEventListener("mozfullscreenchange", fullscreenChange, false);
                        document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
                        document.addEventListener("MSFullscreenChange", fullscreenChange, false)
                    }
                    var canvasContainer = document.createElement("div");
                    canvas.parentNode.insertBefore(canvasContainer, canvas);
                    canvasContainer.appendChild(canvas);
                    canvasContainer.requestFullscreen = canvasContainer["requestFullscreen"] || canvasContainer["mozRequestFullScreen"] || canvasContainer["msRequestFullscreen"] || (canvasContainer["webkitRequestFullscreen"] ? function() { canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]) } : null) || (canvasContainer["webkitRequestFullScreen"] ? function() { canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]) } : null);
                    canvasContainer.requestFullscreen()
                },
                exitFullscreen: function() {
                    if (!Browser.isFullscreen) { return false }
                    var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || function() {};
                    CFS.apply(document, []);
                    return true
                },
                nextRAF: 0,
                fakeRequestAnimationFrame: function(func) {
                    var now = Date.now();
                    if (Browser.nextRAF === 0) { Browser.nextRAF = now + 1e3 / 60 } else { while (now + 2 >= Browser.nextRAF) { Browser.nextRAF += 1e3 / 60 } }
                    var delay = Math.max(Browser.nextRAF - now, 0);
                    setTimeout(func, delay)
                },
                requestAnimationFrame: function(func) {
                    if (typeof requestAnimationFrame == "function") { requestAnimationFrame(func); return }
                    var RAF = Browser.fakeRequestAnimationFrame;
                    RAF(func)
                },
                safeSetTimeout: function(func) { return safeSetTimeout(func) },
                safeRequestAnimationFrame: function(func) {
                    runtimeKeepalivePush();
                    return Browser.requestAnimationFrame(function() {
                        runtimeKeepalivePop();
                        callUserCallback(func)
                    })
                },
                getMimetype: function(name) { return { "jpg": "image/jpeg", "jpeg": "image/jpeg", "png": "image/png", "bmp": "image/bmp", "ogg": "audio/ogg", "wav": "audio/wav", "mp3": "audio/mpeg" }[name.substr(name.lastIndexOf(".") + 1)] },
                getUserMedia: function(func) {
                    if (!window.getUserMedia) { window.getUserMedia = navigator["getUserMedia"] || navigator["mozGetUserMedia"] }
                    window.getUserMedia(func)
                },
                getMovementX: function(event) { return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0 },
                getMovementY: function(event) { return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0 },
                getMouseWheelDelta: function(event) {
                    var delta = 0;
                    switch (event.type) {
                        case "DOMMouseScroll":
                            delta = event.detail / 3;
                            break;
                        case "mousewheel":
                            delta = event.wheelDelta / 120;
                            break;
                        case "wheel":
                            delta = event.deltaY;
                            switch (event.deltaMode) {
                                case 0:
                                    delta /= 100;
                                    break;
                                case 1:
                                    delta /= 3;
                                    break;
                                case 2:
                                    delta *= 80;
                                    break;
                                default:
                                    throw "unrecognized mouse wheel delta mode: " + event.deltaMode
                            }
                            break;
                        default:
                            throw "unrecognized mouse wheel event: " + event.type
                    }
                    return delta
                },
                mouseX: 0,
                mouseY: 0,
                mouseMovementX: 0,
                mouseMovementY: 0,
                touches: {},
                lastTouches: {},
                calculateMouseEvent: function(event) {
                    if (Browser.pointerLock) {
                        if (event.type != "mousemove" && "mozMovementX" in event) { Browser.mouseMovementX = Browser.mouseMovementY = 0 } else {
                            Browser.mouseMovementX = Browser.getMovementX(event);
                            Browser.mouseMovementY = Browser.getMovementY(event)
                        }
                        if (typeof SDL != "undefined") {
                            Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
                            Browser.mouseY = SDL.mouseY + Browser.mouseMovementY
                        } else {
                            Browser.mouseX += Browser.mouseMovementX;
                            Browser.mouseY += Browser.mouseMovementY
                        }
                    } else {
                        var rect = Module["canvas"].getBoundingClientRect();
                        var cw = Module["canvas"].width;
                        var ch = Module["canvas"].height;
                        var scrollX = typeof window.scrollX != "undefined" ? window.scrollX : window.pageXOffset;
                        var scrollY = typeof window.scrollY != "undefined" ? window.scrollY : window.pageYOffset;
                        if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
                            var touch = event.touch;
                            if (touch === undefined) { return }
                            var adjustedX = touch.pageX - (scrollX + rect.left);
                            var adjustedY = touch.pageY - (scrollY + rect.top);
                            adjustedX = adjustedX * (cw / rect.width);
                            adjustedY = adjustedY * (ch / rect.height);
                            var coords = { x: adjustedX, y: adjustedY };
                            if (event.type === "touchstart") {
                                Browser.lastTouches[touch.identifier] = coords;
                                Browser.touches[touch.identifier] = coords
                            } else if (event.type === "touchend" || event.type === "touchmove") {
                                var last = Browser.touches[touch.identifier];
                                if (!last) last = coords;
                                Browser.lastTouches[touch.identifier] = last;
                                Browser.touches[touch.identifier] = coords
                            }
                            return
                        }
                        var x = event.pageX - (scrollX + rect.left);
                        var y = event.pageY - (scrollY + rect.top);
                        x = x * (cw / rect.width);
                        y = y * (ch / rect.height);
                        Browser.mouseMovementX = x - Browser.mouseX;
                        Browser.mouseMovementY = y - Browser.mouseY;
                        Browser.mouseX = x;
                        Browser.mouseY = y
                    }
                },
                resizeListeners: [],
                updateResizeListeners: function() {
                    var canvas = Module["canvas"];
                    Browser.resizeListeners.forEach(function(listener) { listener(canvas.width, canvas.height) })
                },
                setCanvasSize: function(width, height, noUpdates) {
                    var canvas = Module["canvas"];
                    Browser.updateCanvasDimensions(canvas, width, height);
                    if (!noUpdates) Browser.updateResizeListeners()
                },
                windowedWidth: 0,
                windowedHeight: 0,
                setFullscreenCanvasSize: function() {
                    if (typeof SDL != "undefined") {
                        var flags = GROWABLE_HEAP_U32()[SDL.screen >> 2];
                        flags = flags | 8388608;
                        GROWABLE_HEAP_I32()[SDL.screen >> 2] = flags
                    }
                    Browser.updateCanvasDimensions(Module["canvas"]);
                    Browser.updateResizeListeners()
                },
                setWindowedCanvasSize: function() {
                    if (typeof SDL != "undefined") {
                        var flags = GROWABLE_HEAP_U32()[SDL.screen >> 2];
                        flags = flags & ~8388608;
                        GROWABLE_HEAP_I32()[SDL.screen >> 2] = flags
                    }
                    Browser.updateCanvasDimensions(Module["canvas"]);
                    Browser.updateResizeListeners()
                },
                updateCanvasDimensions: function(canvas, wNative, hNative) {
                    if (wNative && hNative) {
                        canvas.widthNative = wNative;
                        canvas.heightNative = hNative
                    } else {
                        wNative = canvas.widthNative;
                        hNative = canvas.heightNative
                    }
                    var w = wNative;
                    var h = hNative;
                    if (Module["forcedAspectRatio"] && Module["forcedAspectRatio"] > 0) { if (w / h < Module["forcedAspectRatio"]) { w = Math.round(h * Module["forcedAspectRatio"]) } else { h = Math.round(w / Module["forcedAspectRatio"]) } }
                    if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvas.parentNode && typeof screen != "undefined") {
                        var factor = Math.min(screen.width / w, screen.height / h);
                        w = Math.round(w * factor);
                        h = Math.round(h * factor)
                    }
                    if (Browser.resizeCanvas) {
                        if (canvas.width != w) canvas.width = w;
                        if (canvas.height != h) canvas.height = h;
                        if (typeof canvas.style != "undefined") {
                            canvas.style.removeProperty("width");
                            canvas.style.removeProperty("height")
                        }
                    } else {
                        if (canvas.width != wNative) canvas.width = wNative;
                        if (canvas.height != hNative) canvas.height = hNative;
                        if (typeof canvas.style != "undefined") {
                            if (w != wNative || h != hNative) {
                                canvas.style.setProperty("width", w + "px", "important");
                                canvas.style.setProperty("height", h + "px", "important")
                            } else {
                                canvas.style.removeProperty("width");
                                canvas.style.removeProperty("height")
                            }
                        }
                    }
                }
            };

            function _emscripten_cancel_main_loop() {
                Browser.mainLoop.pause();
                Browser.mainLoop.func = null
            }

            function _emscripten_check_blocking_allowed() {
                if (ENVIRONMENT_IS_WORKER) return;
                warnOnce("Blocking on the main thread is very dangerous, see https://emscripten.org/docs/porting/pthreads.html#blocking-on-the-main-browser-thread")
            }

            function _emscripten_console_error(str) { console.error(UTF8ToString(str)) }

            function _emscripten_force_exit(status) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(33, 1, status);
                noExitRuntime = false;
                runtimeKeepaliveCounter = 0;
                exit(status)
            }

            function _emscripten_get_heap_max() { return 2147483648 }

            function __webgl_enable_ANGLE_instanced_arrays(ctx) {
                var ext = ctx.getExtension("ANGLE_instanced_arrays");
                if (ext) {
                    ctx["vertexAttribDivisor"] = function(index, divisor) { ext["vertexAttribDivisorANGLE"](index, divisor) };
                    ctx["drawArraysInstanced"] = function(mode, first, count, primcount) { ext["drawArraysInstancedANGLE"](mode, first, count, primcount) };
                    ctx["drawElementsInstanced"] = function(mode, count, type, indices, primcount) { ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount) };
                    return 1
                }
            }

            function __webgl_enable_OES_vertex_array_object(ctx) {
                var ext = ctx.getExtension("OES_vertex_array_object");
                if (ext) {
                    ctx["createVertexArray"] = function() { return ext["createVertexArrayOES"]() };
                    ctx["deleteVertexArray"] = function(vao) { ext["deleteVertexArrayOES"](vao) };
                    ctx["bindVertexArray"] = function(vao) { ext["bindVertexArrayOES"](vao) };
                    ctx["isVertexArray"] = function(vao) { return ext["isVertexArrayOES"](vao) };
                    return 1
                }
            }

            function __webgl_enable_WEBGL_draw_buffers(ctx) { var ext = ctx.getExtension("WEBGL_draw_buffers"); if (ext) { ctx["drawBuffers"] = function(n, bufs) { ext["drawBuffersWEBGL"](n, bufs) }; return 1 } }

            function __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx) { return !!(ctx.dibvbi = ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance")) }

            function __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(ctx) { return !!(ctx.mdibvbi = ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance")) }

            function __webgl_enable_WEBGL_multi_draw(ctx) { return !!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw")) }
            var GL = {
                counter: 1,
                buffers: [],
                programs: [],
                framebuffers: [],
                renderbuffers: [],
                textures: [],
                shaders: [],
                vaos: [],
                contexts: {},
                offscreenCanvases: {},
                queries: [],
                samplers: [],
                transformFeedbacks: [],
                syncs: [],
                stringCache: {},
                stringiCache: {},
                unpackAlignment: 4,
                recordError: function recordError(errorCode) { if (!GL.lastError) { GL.lastError = errorCode } },
                getNewId: function(table) { var ret = GL.counter++; for (var i = table.length; i < ret; i++) { table[i] = null } return ret },
                getSource: function(shader, count, string, length) {
                    var source = "";
                    for (var i = 0; i < count; ++i) {
                        var len = length ? GROWABLE_HEAP_I32()[length + i * 4 >> 2] : -1;
                        source += UTF8ToString(GROWABLE_HEAP_I32()[string + i * 4 >> 2], len < 0 ? undefined : len)
                    }
                    return source
                },
                createContext: function(canvas, webGLContextAttributes) {
                    if (webGLContextAttributes.renderViaOffscreenBackBuffer) webGLContextAttributes["preserveDrawingBuffer"] = true;
                    if (!canvas.getContextSafariWebGL2Fixed) {
                        canvas.getContextSafariWebGL2Fixed = canvas.getContext;

                        function fixedGetContext(ver, attrs) { var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs); return ver == "webgl" == gl instanceof WebGLRenderingContext ? gl : null }
                        canvas.getContext = fixedGetContext
                    }
                    var ctx = webGLContextAttributes.majorVersion > 1 ? canvas.getContext("webgl2", webGLContextAttributes) : canvas.getContext("webgl", webGLContextAttributes);
                    if (!ctx) return 0;
                    var handle = GL.registerContext(ctx, webGLContextAttributes);
                    return handle
                },
                enableOffscreenFramebufferAttributes: function(webGLContextAttributes) {
                    webGLContextAttributes.renderViaOffscreenBackBuffer = true;
                    webGLContextAttributes.preserveDrawingBuffer = true
                },
                createOffscreenFramebuffer: function(context) {
                    var gl = context.GLctx;
                    var fbo = gl.createFramebuffer();
                    gl.bindFramebuffer(36160, fbo);
                    context.defaultFbo = fbo;
                    context.defaultFboForbidBlitFramebuffer = false;
                    if (gl.getContextAttributes().antialias) { context.defaultFboForbidBlitFramebuffer = true } else {
                        var firefoxMatch = navigator.userAgent.toLowerCase().match(/firefox\/(\d\d)/);
                        if (firefoxMatch != null) {
                            var firefoxVersion = firefoxMatch[1];
                            context.defaultFboForbidBlitFramebuffer = firefoxVersion < 67
                        }
                    }
                    context.defaultColorTarget = gl.createTexture();
                    context.defaultDepthTarget = gl.createRenderbuffer();
                    GL.resizeOffscreenFramebuffer(context);
                    gl.bindTexture(3553, context.defaultColorTarget);
                    gl.texParameteri(3553, 10241, 9728);
                    gl.texParameteri(3553, 10240, 9728);
                    gl.texParameteri(3553, 10242, 33071);
                    gl.texParameteri(3553, 10243, 33071);
                    gl.texImage2D(3553, 0, 6408, gl.canvas.width, gl.canvas.height, 0, 6408, 5121, null);
                    gl.framebufferTexture2D(36160, 36064, 3553, context.defaultColorTarget, 0);
                    gl.bindTexture(3553, null);
                    var depthTarget = gl.createRenderbuffer();
                    gl.bindRenderbuffer(36161, context.defaultDepthTarget);
                    gl.renderbufferStorage(36161, 33189, gl.canvas.width, gl.canvas.height);
                    gl.framebufferRenderbuffer(36160, 36096, 36161, context.defaultDepthTarget);
                    gl.bindRenderbuffer(36161, null);
                    var vertices = [-1, -1, -1, 1, 1, -1, 1, 1];
                    var vb = gl.createBuffer();
                    gl.bindBuffer(34962, vb);
                    gl.bufferData(34962, new Float32Array(vertices), 35044);
                    gl.bindBuffer(34962, null);
                    context.blitVB = vb;
                    var vsCode = "attribute vec2 pos;" + "varying lowp vec2 tex;" + "void main() { tex = pos * 0.5 + vec2(0.5,0.5); gl_Position = vec4(pos, 0.0, 1.0); }";
                    var vs = gl.createShader(35633);
                    gl.shaderSource(vs, vsCode);
                    gl.compileShader(vs);
                    var fsCode = "varying lowp vec2 tex;" + "uniform sampler2D sampler;" + "void main() { gl_FragColor = texture2D(sampler, tex); }";
                    var fs = gl.createShader(35632);
                    gl.shaderSource(fs, fsCode);
                    gl.compileShader(fs);
                    var blitProgram = gl.createProgram();
                    gl.attachShader(blitProgram, vs);
                    gl.attachShader(blitProgram, fs);
                    gl.linkProgram(blitProgram);
                    context.blitProgram = blitProgram;
                    context.blitPosLoc = gl.getAttribLocation(blitProgram, "pos");
                    gl.useProgram(blitProgram);
                    gl.uniform1i(gl.getUniformLocation(blitProgram, "sampler"), 0);
                    gl.useProgram(null);
                    context.defaultVao = undefined;
                    if (gl.createVertexArray) {
                        context.defaultVao = gl.createVertexArray();
                        gl.bindVertexArray(context.defaultVao);
                        gl.enableVertexAttribArray(context.blitPosLoc);
                        gl.bindVertexArray(null)
                    }
                },
                resizeOffscreenFramebuffer: function(context) {
                    var gl = context.GLctx;
                    if (context.defaultColorTarget) {
                        var prevTextureBinding = gl.getParameter(32873);
                        gl.bindTexture(3553, context.defaultColorTarget);
                        gl.texImage2D(3553, 0, 6408, gl.drawingBufferWidth, gl.drawingBufferHeight, 0, 6408, 5121, null);
                        gl.bindTexture(3553, prevTextureBinding)
                    }
                    if (context.defaultDepthTarget) {
                        var prevRenderBufferBinding = gl.getParameter(36007);
                        gl.bindRenderbuffer(36161, context.defaultDepthTarget);
                        gl.renderbufferStorage(36161, 33189, gl.drawingBufferWidth, gl.drawingBufferHeight);
                        gl.bindRenderbuffer(36161, prevRenderBufferBinding)
                    }
                },
                blitOffscreenFramebuffer: function(context) {
                    var gl = context.GLctx;
                    var prevScissorTest = gl.getParameter(3089);
                    if (prevScissorTest) gl.disable(3089);
                    var prevFbo = gl.getParameter(36006);
                    if (gl.blitFramebuffer && !context.defaultFboForbidBlitFramebuffer) {
                        gl.bindFramebuffer(36008, context.defaultFbo);
                        gl.bindFramebuffer(36009, null);
                        gl.blitFramebuffer(0, 0, gl.canvas.width, gl.canvas.height, 0, 0, gl.canvas.width, gl.canvas.height, 16384, 9728)
                    } else {
                        gl.bindFramebuffer(36160, null);
                        var prevProgram = gl.getParameter(35725);
                        gl.useProgram(context.blitProgram);
                        var prevVB = gl.getParameter(34964);
                        gl.bindBuffer(34962, context.blitVB);
                        var prevActiveTexture = gl.getParameter(34016);
                        gl.activeTexture(33984);
                        var prevTextureBinding = gl.getParameter(32873);
                        gl.bindTexture(3553, context.defaultColorTarget);
                        var prevBlend = gl.getParameter(3042);
                        if (prevBlend) gl.disable(3042);
                        var prevCullFace = gl.getParameter(2884);
                        if (prevCullFace) gl.disable(2884);
                        var prevDepthTest = gl.getParameter(2929);
                        if (prevDepthTest) gl.disable(2929);
                        var prevStencilTest = gl.getParameter(2960);
                        if (prevStencilTest) gl.disable(2960);

                        function draw() {
                            gl.vertexAttribPointer(context.blitPosLoc, 2, 5126, false, 0, 0);
                            gl.drawArrays(5, 0, 4)
                        }
                        if (context.defaultVao) {
                            var prevVAO = gl.getParameter(34229);
                            gl.bindVertexArray(context.defaultVao);
                            draw();
                            gl.bindVertexArray(prevVAO)
                        } else {
                            var prevVertexAttribPointer = { buffer: gl.getVertexAttrib(context.blitPosLoc, 34975), size: gl.getVertexAttrib(context.blitPosLoc, 34339), stride: gl.getVertexAttrib(context.blitPosLoc, 34340), type: gl.getVertexAttrib(context.blitPosLoc, 34341), normalized: gl.getVertexAttrib(context.blitPosLoc, 34922), pointer: gl.getVertexAttribOffset(context.blitPosLoc, 34373) };
                            var maxVertexAttribs = gl.getParameter(34921);
                            var prevVertexAttribEnables = [];
                            for (var i = 0; i < maxVertexAttribs; ++i) {
                                var prevEnabled = gl.getVertexAttrib(i, 34338);
                                var wantEnabled = i == context.blitPosLoc;
                                if (prevEnabled && !wantEnabled) { gl.disableVertexAttribArray(i) }
                                if (!prevEnabled && wantEnabled) { gl.enableVertexAttribArray(i) }
                                prevVertexAttribEnables[i] = prevEnabled
                            }
                            draw();
                            for (var i = 0; i < maxVertexAttribs; ++i) { var prevEnabled = prevVertexAttribEnables[i]; var nowEnabled = i == context.blitPosLoc; if (prevEnabled && !nowEnabled) { gl.enableVertexAttribArray(i) } if (!prevEnabled && nowEnabled) { gl.disableVertexAttribArray(i) } }
                            gl.bindBuffer(34962, prevVertexAttribPointer.buffer);
                            gl.vertexAttribPointer(context.blitPosLoc, prevVertexAttribPointer.size, prevVertexAttribPointer.type, prevVertexAttribPointer.normalized, prevVertexAttribPointer.stride, prevVertexAttribPointer.offset)
                        }
                        if (prevStencilTest) gl.enable(2960);
                        if (prevDepthTest) gl.enable(2929);
                        if (prevCullFace) gl.enable(2884);
                        if (prevBlend) gl.enable(3042);
                        gl.bindTexture(3553, prevTextureBinding);
                        gl.activeTexture(prevActiveTexture);
                        gl.bindBuffer(34962, prevVB);
                        gl.useProgram(prevProgram)
                    }
                    gl.bindFramebuffer(36160, prevFbo);
                    if (prevScissorTest) gl.enable(3089)
                },
                registerContext: function(ctx, webGLContextAttributes) {
                    var handle = _malloc(8);
                    GROWABLE_HEAP_I32()[handle + 4 >> 2] = _pthread_self();
                    var context = { handle: handle, attributes: webGLContextAttributes, version: webGLContextAttributes.majorVersion, GLctx: ctx };
                    if (ctx.canvas) ctx.canvas.GLctxObject = context;
                    GL.contexts[handle] = context;
                    if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) { GL.initExtensions(context) }
                    if (webGLContextAttributes.renderViaOffscreenBackBuffer) GL.createOffscreenFramebuffer(context);
                    return handle
                },
                makeContextCurrent: function(contextHandle) {
                    GL.currentContext = GL.contexts[contextHandle];
                    Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx;
                    return !(contextHandle && !GLctx)
                },
                getContext: function(contextHandle) { return GL.contexts[contextHandle] },
                deleteContext: function(contextHandle) {
                    if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null;
                    if (typeof JSEvents == "object") JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
                    if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
                    _free(GL.contexts[contextHandle].handle);
                    GL.contexts[contextHandle] = null
                },
                initExtensions: function(context) {
                    if (!context) context = GL.currentContext;
                    if (context.initExtensionsDone) return;
                    context.initExtensionsDone = true;
                    var GLctx = context.GLctx;
                    __webgl_enable_ANGLE_instanced_arrays(GLctx);
                    __webgl_enable_OES_vertex_array_object(GLctx);
                    __webgl_enable_WEBGL_draw_buffers(GLctx);
                    __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
                    __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
                    if (context.version >= 2) { GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2") }
                    if (context.version < 2 || !GLctx.disjointTimerQueryExt) { GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query") }
                    __webgl_enable_WEBGL_multi_draw(GLctx);
                    var exts = GLctx.getSupportedExtensions() || [];
                    exts.forEach(function(ext) { if (!ext.includes("lose_context") && !ext.includes("debug")) { GLctx.getExtension(ext) } })
                }
            };

            function _emscripten_glActiveTexture(x0) { GLctx["activeTexture"](x0) }

            function _emscripten_glAttachShader(program, shader) { GLctx.attachShader(GL.programs[program], GL.shaders[shader]) }

            function _emscripten_glBeginQuery(target, id) { GLctx["beginQuery"](target, GL.queries[id]) }

            function _emscripten_glBeginQueryEXT(target, id) { GLctx.disjointTimerQueryExt["beginQueryEXT"](target, GL.queries[id]) }

            function _emscripten_glBeginTransformFeedback(x0) { GLctx["beginTransformFeedback"](x0) }

            function _emscripten_glBindAttribLocation(program, index, name) { GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name)) }

            function _emscripten_glBindBuffer(target, buffer) {
                if (target == 35051) { GLctx.currentPixelPackBufferBinding = buffer } else if (target == 35052) { GLctx.currentPixelUnpackBufferBinding = buffer }
                GLctx.bindBuffer(target, GL.buffers[buffer])
            }

            function _emscripten_glBindBufferBase(target, index, buffer) { GLctx["bindBufferBase"](target, index, GL.buffers[buffer]) }

            function _emscripten_glBindBufferRange(target, index, buffer, offset, ptrsize) { GLctx["bindBufferRange"](target, index, GL.buffers[buffer], offset, ptrsize) }

            function _emscripten_glBindFramebuffer(target, framebuffer) { GLctx.bindFramebuffer(target, framebuffer ? GL.framebuffers[framebuffer] : GL.currentContext.defaultFbo) }

            function _emscripten_glBindRenderbuffer(target, renderbuffer) { GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]) }

            function _emscripten_glBindSampler(unit, sampler) { GLctx["bindSampler"](unit, GL.samplers[sampler]) }

            function _emscripten_glBindTexture(target, texture) { GLctx.bindTexture(target, GL.textures[texture]) }

            function _emscripten_glBindTransformFeedback(target, id) { GLctx["bindTransformFeedback"](target, GL.transformFeedbacks[id]) }

            function _emscripten_glBindVertexArray(vao) { GLctx["bindVertexArray"](GL.vaos[vao]) }

            function _emscripten_glBlendColor(x0, x1, x2, x3) { GLctx["blendColor"](x0, x1, x2, x3) }

            function _emscripten_glBlendEquation(x0) { GLctx["blendEquation"](x0) }

            function _emscripten_glBlendEquationSeparate(x0, x1) { GLctx["blendEquationSeparate"](x0, x1) }

            function _emscripten_glBlendFunc(x0, x1) { GLctx["blendFunc"](x0, x1) }

            function _emscripten_glBlendFuncSeparate(x0, x1, x2, x3) { GLctx["blendFuncSeparate"](x0, x1, x2, x3) }

            function _emscripten_glBlitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) { GLctx["blitFramebuffer"](x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) }

            function _emscripten_glBufferData(target, size, data, usage) { if (GL.currentContext.version >= 2) { if (data) { GLctx.bufferData(target, GROWABLE_HEAP_U8(), usage, data, size) } else { GLctx.bufferData(target, size, usage) } } else { GLctx.bufferData(target, data ? GROWABLE_HEAP_U8().subarray(data, data + size) : size, usage) } }

            function _emscripten_glBufferSubData(target, offset, size, data) {
                if (GL.currentContext.version >= 2) { GLctx.bufferSubData(target, offset, GROWABLE_HEAP_U8(), data, size); return }
                GLctx.bufferSubData(target, offset, GROWABLE_HEAP_U8().subarray(data, data + size))
            }

            function _emscripten_glCheckFramebufferStatus(x0) { return GLctx["checkFramebufferStatus"](x0) }

            function _emscripten_glClear(x0) { GLctx["clear"](x0) }

            function _emscripten_glClearBufferfi(x0, x1, x2, x3) { GLctx["clearBufferfi"](x0, x1, x2, x3) }

            function _emscripten_glClearBufferfv(buffer, drawbuffer, value) { GLctx["clearBufferfv"](buffer, drawbuffer, GROWABLE_HEAP_F32(), value >> 2) }

            function _emscripten_glClearBufferiv(buffer, drawbuffer, value) { GLctx["clearBufferiv"](buffer, drawbuffer, GROWABLE_HEAP_I32(), value >> 2) }

            function _emscripten_glClearBufferuiv(buffer, drawbuffer, value) { GLctx["clearBufferuiv"](buffer, drawbuffer, GROWABLE_HEAP_U32(), value >> 2) }

            function _emscripten_glClearColor(x0, x1, x2, x3) { GLctx["clearColor"](x0, x1, x2, x3) }

            function _emscripten_glClearDepthf(x0) { GLctx["clearDepth"](x0) }

            function _emscripten_glClearStencil(x0) { GLctx["clearStencil"](x0) }

            function convertI32PairToI53(lo, hi) { return (lo >>> 0) + hi * 4294967296 }

            function _emscripten_glClientWaitSync(sync, flags, timeoutLo, timeoutHi) { return GLctx.clientWaitSync(GL.syncs[sync], flags, convertI32PairToI53(timeoutLo, timeoutHi)) }

            function _emscripten_glColorMask(red, green, blue, alpha) { GLctx.colorMask(!!red, !!green, !!blue, !!alpha) }

            function _emscripten_glCompileShader(shader) { GLctx.compileShader(GL.shaders[shader]) }

            function _emscripten_glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
                if (GL.currentContext.version >= 2) { if (GLctx.currentPixelUnpackBufferBinding) { GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, imageSize, data) } else { GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, GROWABLE_HEAP_U8(), data, imageSize) } return }
                GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, data ? GROWABLE_HEAP_U8().subarray(data, data + imageSize) : null)
            }

            function _emscripten_glCompressedTexImage3D(target, level, internalFormat, width, height, depth, border, imageSize, data) { if (GLctx.currentPixelUnpackBufferBinding) { GLctx["compressedTexImage3D"](target, level, internalFormat, width, height, depth, border, imageSize, data) } else { GLctx["compressedTexImage3D"](target, level, internalFormat, width, height, depth, border, GROWABLE_HEAP_U8(), data, imageSize) } }

            function _emscripten_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) {
                if (GL.currentContext.version >= 2) { if (GLctx.currentPixelUnpackBufferBinding) { GLctx["compressedTexSubImage2D"](target, level, xoffset, yoffset, width, height, format, imageSize, data) } else { GLctx["compressedTexSubImage2D"](target, level, xoffset, yoffset, width, height, format, GROWABLE_HEAP_U8(), data, imageSize) } return }
                GLctx["compressedTexSubImage2D"](target, level, xoffset, yoffset, width, height, format, data ? GROWABLE_HEAP_U8().subarray(data, data + imageSize) : null)
            }

            function _emscripten_glCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data) { if (GLctx.currentPixelUnpackBufferBinding) { GLctx["compressedTexSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data) } else { GLctx["compressedTexSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, GROWABLE_HEAP_U8(), data, imageSize) } }

            function _emscripten_glCopyBufferSubData(x0, x1, x2, x3, x4) { GLctx["copyBufferSubData"](x0, x1, x2, x3, x4) }

            function _emscripten_glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx["copyTexImage2D"](x0, x1, x2, x3, x4, x5, x6, x7) }

            function _emscripten_glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx["copyTexSubImage2D"](x0, x1, x2, x3, x4, x5, x6, x7) }

            function _emscripten_glCopyTexSubImage3D(x0, x1, x2, x3, x4, x5, x6, x7, x8) { GLctx["copyTexSubImage3D"](x0, x1, x2, x3, x4, x5, x6, x7, x8) }

            function _emscripten_glCreateProgram() {
                var id = GL.getNewId(GL.programs);
                var program = GLctx.createProgram();
                program.name = id;
                program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
                program.uniformIdCounter = 1;
                GL.programs[id] = program;
                return id
            }

            function _emscripten_glCreateShader(shaderType) {
                var id = GL.getNewId(GL.shaders);
                GL.shaders[id] = GLctx.createShader(shaderType);
                return id
            }

            function _emscripten_glCullFace(x0) { GLctx["cullFace"](x0) }

            function _emscripten_glDeleteBuffers(n, buffers) {
                for (var i = 0; i < n; i++) {
                    var id = GROWABLE_HEAP_I32()[buffers + i * 4 >> 2];
                    var buffer = GL.buffers[id];
                    if (!buffer) continue;
                    GLctx.deleteBuffer(buffer);
                    buffer.name = 0;
                    GL.buffers[id] = null;
                    if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
                    if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0
                }
            }

            function _emscripten_glDeleteFramebuffers(n, framebuffers) {
                for (var i = 0; i < n; ++i) {
                    var id = GROWABLE_HEAP_I32()[framebuffers + i * 4 >> 2];
                    var framebuffer = GL.framebuffers[id];
                    if (!framebuffer) continue;
                    GLctx.deleteFramebuffer(framebuffer);
                    framebuffer.name = 0;
                    GL.framebuffers[id] = null
                }
            }

            function _emscripten_glDeleteProgram(id) {
                if (!id) return;
                var program = GL.programs[id];
                if (!program) { GL.recordError(1281); return }
                GLctx.deleteProgram(program);
                program.name = 0;
                GL.programs[id] = null
            }

            function _emscripten_glDeleteQueries(n, ids) {
                for (var i = 0; i < n; i++) {
                    var id = GROWABLE_HEAP_I32()[ids + i * 4 >> 2];
                    var query = GL.queries[id];
                    if (!query) continue;
                    GLctx["deleteQuery"](query);
                    GL.queries[id] = null
                }
            }

            function _emscripten_glDeleteQueriesEXT(n, ids) {
                for (var i = 0; i < n; i++) {
                    var id = GROWABLE_HEAP_I32()[ids + i * 4 >> 2];
                    var query = GL.queries[id];
                    if (!query) continue;
                    GLctx.disjointTimerQueryExt["deleteQueryEXT"](query);
                    GL.queries[id] = null
                }
            }

            function _emscripten_glDeleteRenderbuffers(n, renderbuffers) {
                for (var i = 0; i < n; i++) {
                    var id = GROWABLE_HEAP_I32()[renderbuffers + i * 4 >> 2];
                    var renderbuffer = GL.renderbuffers[id];
                    if (!renderbuffer) continue;
                    GLctx.deleteRenderbuffer(renderbuffer);
                    renderbuffer.name = 0;
                    GL.renderbuffers[id] = null
                }
            }

            function _emscripten_glDeleteSamplers(n, samplers) {
                for (var i = 0; i < n; i++) {
                    var id = GROWABLE_HEAP_I32()[samplers + i * 4 >> 2];
                    var sampler = GL.samplers[id];
                    if (!sampler) continue;
                    GLctx["deleteSampler"](sampler);
                    sampler.name = 0;
                    GL.samplers[id] = null
                }
            }

            function _emscripten_glDeleteShader(id) {
                if (!id) return;
                var shader = GL.shaders[id];
                if (!shader) { GL.recordError(1281); return }
                GLctx.deleteShader(shader);
                GL.shaders[id] = null
            }

            function _emscripten_glDeleteSync(id) {
                if (!id) return;
                var sync = GL.syncs[id];
                if (!sync) { GL.recordError(1281); return }
                GLctx.deleteSync(sync);
                sync.name = 0;
                GL.syncs[id] = null
            }

            function _emscripten_glDeleteTextures(n, textures) {
                for (var i = 0; i < n; i++) {
                    var id = GROWABLE_HEAP_I32()[textures + i * 4 >> 2];
                    var texture = GL.textures[id];
                    if (!texture) continue;
                    GLctx.deleteTexture(texture);
                    texture.name = 0;
                    GL.textures[id] = null
                }
            }

            function _emscripten_glDeleteTransformFeedbacks(n, ids) {
                for (var i = 0; i < n; i++) {
                    var id = GROWABLE_HEAP_I32()[ids + i * 4 >> 2];
                    var transformFeedback = GL.transformFeedbacks[id];
                    if (!transformFeedback) continue;
                    GLctx["deleteTransformFeedback"](transformFeedback);
                    transformFeedback.name = 0;
                    GL.transformFeedbacks[id] = null
                }
            }

            function _emscripten_glDeleteVertexArrays(n, vaos) {
                for (var i = 0; i < n; i++) {
                    var id = GROWABLE_HEAP_I32()[vaos + i * 4 >> 2];
                    GLctx["deleteVertexArray"](GL.vaos[id]);
                    GL.vaos[id] = null
                }
            }

            function _emscripten_glDepthFunc(x0) { GLctx["depthFunc"](x0) }

            function _emscripten_glDepthMask(flag) { GLctx.depthMask(!!flag) }

            function _emscripten_glDepthRangef(x0, x1) { GLctx["depthRange"](x0, x1) }

            function _emscripten_glDetachShader(program, shader) { GLctx.detachShader(GL.programs[program], GL.shaders[shader]) }

            function _emscripten_glDisable(x0) { GLctx["disable"](x0) }

            function _emscripten_glDisableVertexAttribArray(index) { GLctx.disableVertexAttribArray(index) }

            function _emscripten_glDrawArrays(mode, first, count) { GLctx.drawArrays(mode, first, count) }

            function _emscripten_glDrawArraysInstanced(mode, first, count, primcount) { GLctx["drawArraysInstanced"](mode, first, count, primcount) }
            var tempFixedLengthArray = [];

            function _emscripten_glDrawBuffers(n, bufs) {
                var bufArray = tempFixedLengthArray[n];
                for (var i = 0; i < n; i++) { bufArray[i] = GROWABLE_HEAP_I32()[bufs + i * 4 >> 2] }
                GLctx["drawBuffers"](bufArray)
            }

            function _emscripten_glDrawElements(mode, count, type, indices) { GLctx.drawElements(mode, count, type, indices) }

            function _emscripten_glDrawElementsInstanced(mode, count, type, indices, primcount) { GLctx["drawElementsInstanced"](mode, count, type, indices, primcount) }

            function _glDrawElements(mode, count, type, indices) { GLctx.drawElements(mode, count, type, indices) }

            function _emscripten_glDrawRangeElements(mode, start, end, count, type, indices) { _glDrawElements(mode, count, type, indices) }

            function _emscripten_glEnable(x0) { GLctx["enable"](x0) }

            function _emscripten_glEnableVertexAttribArray(index) { GLctx.enableVertexAttribArray(index) }

            function _emscripten_glEndQuery(x0) { GLctx["endQuery"](x0) }

            function _emscripten_glEndQueryEXT(target) { GLctx.disjointTimerQueryExt["endQueryEXT"](target) }

            function _emscripten_glEndTransformFeedback() { GLctx["endTransformFeedback"]() }

            function _emscripten_glFenceSync(condition, flags) {
                var sync = GLctx.fenceSync(condition, flags);
                if (sync) {
                    var id = GL.getNewId(GL.syncs);
                    sync.name = id;
                    GL.syncs[id] = sync;
                    return id
                } else { return 0 }
            }

            function _emscripten_glFinish() { GLctx["finish"]() }

            function _emscripten_glFlush() { GLctx["flush"]() }

            function _emscripten_glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) { GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]) }

            function _emscripten_glFramebufferTexture2D(target, attachment, textarget, texture, level) { GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level) }

            function _emscripten_glFramebufferTextureLayer(target, attachment, texture, level, layer) { GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer) }

            function _emscripten_glFrontFace(x0) { GLctx["frontFace"](x0) }

            function __glGenObject(n, buffers, createFunction, objectTable) {
                for (var i = 0; i < n; i++) {
                    var buffer = GLctx[createFunction]();
                    var id = buffer && GL.getNewId(objectTable);
                    if (buffer) {
                        buffer.name = id;
                        objectTable[id] = buffer
                    } else { GL.recordError(1282) }
                    GROWABLE_HEAP_I32()[buffers + i * 4 >> 2] = id
                }
            }

            function _emscripten_glGenBuffers(n, buffers) { __glGenObject(n, buffers, "createBuffer", GL.buffers) }

            function _emscripten_glGenFramebuffers(n, ids) { __glGenObject(n, ids, "createFramebuffer", GL.framebuffers) }

            function _emscripten_glGenQueries(n, ids) { __glGenObject(n, ids, "createQuery", GL.queries) }

            function _emscripten_glGenQueriesEXT(n, ids) {
                for (var i = 0; i < n; i++) {
                    var query = GLctx.disjointTimerQueryExt["createQueryEXT"]();
                    if (!query) { GL.recordError(1282); while (i < n) GROWABLE_HEAP_I32()[ids + i++ * 4 >> 2] = 0; return }
                    var id = GL.getNewId(GL.queries);
                    query.name = id;
                    GL.queries[id] = query;
                    GROWABLE_HEAP_I32()[ids + i * 4 >> 2] = id
                }
            }

            function _emscripten_glGenRenderbuffers(n, renderbuffers) { __glGenObject(n, renderbuffers, "createRenderbuffer", GL.renderbuffers) }

            function _emscripten_glGenSamplers(n, samplers) { __glGenObject(n, samplers, "createSampler", GL.samplers) }

            function _emscripten_glGenTextures(n, textures) { __glGenObject(n, textures, "createTexture", GL.textures) }

            function _emscripten_glGenTransformFeedbacks(n, ids) { __glGenObject(n, ids, "createTransformFeedback", GL.transformFeedbacks) }

            function _emscripten_glGenVertexArrays(n, arrays) { __glGenObject(n, arrays, "createVertexArray", GL.vaos) }

            function _emscripten_glGenerateMipmap(x0) { GLctx["generateMipmap"](x0) }

            function __glGetActiveAttribOrUniform(funcName, program, index, bufSize, length, size, type, name) { program = GL.programs[program]; var info = GLctx[funcName](program, index); if (info) { var numBytesWrittenExclNull = name && stringToUTF8(info.name, name, bufSize); if (length) GROWABLE_HEAP_I32()[length >> 2] = numBytesWrittenExclNull; if (size) GROWABLE_HEAP_I32()[size >> 2] = info.size; if (type) GROWABLE_HEAP_I32()[type >> 2] = info.type } }

            function _emscripten_glGetActiveAttrib(program, index, bufSize, length, size, type, name) { __glGetActiveAttribOrUniform("getActiveAttrib", program, index, bufSize, length, size, type, name) }

            function _emscripten_glGetActiveUniform(program, index, bufSize, length, size, type, name) { __glGetActiveAttribOrUniform("getActiveUniform", program, index, bufSize, length, size, type, name) }

            function _emscripten_glGetActiveUniformBlockName(program, uniformBlockIndex, bufSize, length, uniformBlockName) { program = GL.programs[program]; var result = GLctx["getActiveUniformBlockName"](program, uniformBlockIndex); if (!result) return; if (uniformBlockName && bufSize > 0) { var numBytesWrittenExclNull = stringToUTF8(result, uniformBlockName, bufSize); if (length) GROWABLE_HEAP_I32()[length >> 2] = numBytesWrittenExclNull } else { if (length) GROWABLE_HEAP_I32()[length >> 2] = 0 } }

            function _emscripten_glGetActiveUniformBlockiv(program, uniformBlockIndex, pname, params) {
                if (!params) { GL.recordError(1281); return }
                program = GL.programs[program];
                if (pname == 35393) {
                    var name = GLctx["getActiveUniformBlockName"](program, uniformBlockIndex);
                    GROWABLE_HEAP_I32()[params >> 2] = name.length + 1;
                    return
                }
                var result = GLctx["getActiveUniformBlockParameter"](program, uniformBlockIndex, pname);
                if (result === null) return;
                if (pname == 35395) { for (var i = 0; i < result.length; i++) { GROWABLE_HEAP_I32()[params + i * 4 >> 2] = result[i] } } else { GROWABLE_HEAP_I32()[params >> 2] = result }
            }

            function _emscripten_glGetActiveUniformsiv(program, uniformCount, uniformIndices, pname, params) {
                if (!params) { GL.recordError(1281); return }
                if (uniformCount > 0 && uniformIndices == 0) { GL.recordError(1281); return }
                program = GL.programs[program];
                var ids = [];
                for (var i = 0; i < uniformCount; i++) { ids.push(GROWABLE_HEAP_I32()[uniformIndices + i * 4 >> 2]) }
                var result = GLctx["getActiveUniforms"](program, ids, pname);
                if (!result) return;
                var len = result.length;
                for (var i = 0; i < len; i++) { GROWABLE_HEAP_I32()[params + i * 4 >> 2] = result[i] }
            }

            function _emscripten_glGetAttachedShaders(program, maxCount, count, shaders) {
                var result = GLctx.getAttachedShaders(GL.programs[program]);
                var len = result.length;
                if (len > maxCount) { len = maxCount }
                GROWABLE_HEAP_I32()[count >> 2] = len;
                for (var i = 0; i < len; ++i) {
                    var id = GL.shaders.indexOf(result[i]);
                    GROWABLE_HEAP_I32()[shaders + i * 4 >> 2] = id
                }
            }

            function _emscripten_glGetAttribLocation(program, name) { return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name)) }

            function writeI53ToI64(ptr, num) {
                GROWABLE_HEAP_U32()[ptr >> 2] = num;
                GROWABLE_HEAP_U32()[ptr + 4 >> 2] = (num - GROWABLE_HEAP_U32()[ptr >> 2]) / 4294967296
            }

            function emscriptenWebGLGet(name_, p, type) {
                if (!p) { GL.recordError(1281); return }
                var ret = undefined;
                switch (name_) {
                    case 36346:
                        ret = 1;
                        break;
                    case 36344:
                        if (type != 0 && type != 1) { GL.recordError(1280) }
                        return;
                    case 34814:
                    case 36345:
                        ret = 0;
                        break;
                    case 34466:
                        var formats = GLctx.getParameter(34467);
                        ret = formats ? formats.length : 0;
                        break;
                    case 33309:
                        if (GL.currentContext.version < 2) { GL.recordError(1282); return }
                        var exts = GLctx.getSupportedExtensions() || [];
                        ret = 2 * exts.length;
                        break;
                    case 33307:
                    case 33308:
                        if (GL.currentContext.version < 2) { GL.recordError(1280); return }
                        ret = name_ == 33307 ? 3 : 0;
                        break
                }
                if (ret === undefined) {
                    var result = GLctx.getParameter(name_);
                    switch (typeof result) {
                        case "number":
                            ret = result;
                            break;
                        case "boolean":
                            ret = result ? 1 : 0;
                            break;
                        case "string":
                            GL.recordError(1280);
                            return;
                        case "object":
                            if (result === null) {
                                switch (name_) {
                                    case 34964:
                                    case 35725:
                                    case 34965:
                                    case 36006:
                                    case 36007:
                                    case 32873:
                                    case 34229:
                                    case 36662:
                                    case 36663:
                                    case 35053:
                                    case 35055:
                                    case 36010:
                                    case 35097:
                                    case 35869:
                                    case 32874:
                                    case 36389:
                                    case 35983:
                                    case 35368:
                                    case 34068:
                                        { ret = 0; break }
                                    default:
                                        { GL.recordError(1280); return }
                                }
                            } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
                                for (var i = 0; i < result.length; ++i) {
                                    switch (type) {
                                        case 0:
                                            GROWABLE_HEAP_I32()[p + i * 4 >> 2] = result[i];
                                            break;
                                        case 2:
                                            GROWABLE_HEAP_F32()[p + i * 4 >> 2] = result[i];
                                            break;
                                        case 4:
                                            GROWABLE_HEAP_I8()[p + i >> 0] = result[i] ? 1 : 0;
                                            break
                                    }
                                }
                                return
                            } else {
                                try { ret = result.name | 0 } catch (e) {
                                    GL.recordError(1280);
                                    err("GL_INVALID_ENUM in glGet" + type + "v: Unknown object returned from WebGL getParameter(" + name_ + ")! (error: " + e + ")");
                                    return
                                }
                            }
                            break;
                        default:
                            GL.recordError(1280);
                            err("GL_INVALID_ENUM in glGet" + type + "v: Native code calling glGet" + type + "v(" + name_ + ") and it returns " + result + " of type " + typeof result + "!");
                            return
                    }
                }
                switch (type) {
                    case 1:
                        writeI53ToI64(p, ret);
                        break;
                    case 0:
                        GROWABLE_HEAP_I32()[p >> 2] = ret;
                        break;
                    case 2:
                        GROWABLE_HEAP_F32()[p >> 2] = ret;
                        break;
                    case 4:
                        GROWABLE_HEAP_I8()[p >> 0] = ret ? 1 : 0;
                        break
                }
            }

            function _emscripten_glGetBooleanv(name_, p) { emscriptenWebGLGet(name_, p, 4) }

            function _emscripten_glGetBufferParameteri64v(target, value, data) {
                if (!data) { GL.recordError(1281); return }
                writeI53ToI64(data, GLctx.getBufferParameter(target, value))
            }

            function _emscripten_glGetBufferParameteriv(target, value, data) {
                if (!data) { GL.recordError(1281); return }
                GROWABLE_HEAP_I32()[data >> 2] = GLctx.getBufferParameter(target, value)
            }

            function _emscripten_glGetError() {
                var error = GLctx.getError() || GL.lastError;
                GL.lastError = 0;
                return error
            }

            function _emscripten_glGetFloatv(name_, p) { emscriptenWebGLGet(name_, p, 2) }

            function _emscripten_glGetFragDataLocation(program, name) { return GLctx["getFragDataLocation"](GL.programs[program], UTF8ToString(name)) }

            function _emscripten_glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) {
                var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
                if (result instanceof WebGLRenderbuffer || result instanceof WebGLTexture) { result = result.name | 0 }
                GROWABLE_HEAP_I32()[params >> 2] = result
            }

            function emscriptenWebGLGetIndexed(target, index, data, type) {
                if (!data) { GL.recordError(1281); return }
                var result = GLctx["getIndexedParameter"](target, index);
                var ret;
                switch (typeof result) {
                    case "boolean":
                        ret = result ? 1 : 0;
                        break;
                    case "number":
                        ret = result;
                        break;
                    case "object":
                        if (result === null) {
                            switch (target) {
                                case 35983:
                                case 35368:
                                    ret = 0;
                                    break;
                                default:
                                    { GL.recordError(1280); return }
                            }
                        } else if (result instanceof WebGLBuffer) { ret = result.name | 0 } else { GL.recordError(1280); return }
                        break;
                    default:
                        GL.recordError(1280);
                        return
                }
                switch (type) {
                    case 1:
                        writeI53ToI64(data, ret);
                        break;
                    case 0:
                        GROWABLE_HEAP_I32()[data >> 2] = ret;
                        break;
                    case 2:
                        GROWABLE_HEAP_F32()[data >> 2] = ret;
                        break;
                    case 4:
                        GROWABLE_HEAP_I8()[data >> 0] = ret ? 1 : 0;
                        break;
                    default:
                        throw "internal emscriptenWebGLGetIndexed() error, bad type: " + type
                }
            }

            function _emscripten_glGetInteger64i_v(target, index, data) { emscriptenWebGLGetIndexed(target, index, data, 1) }

            function _emscripten_glGetInteger64v(name_, p) { emscriptenWebGLGet(name_, p, 1) }

            function _emscripten_glGetIntegeri_v(target, index, data) { emscriptenWebGLGetIndexed(target, index, data, 0) }

            function _emscripten_glGetIntegerv(name_, p) { emscriptenWebGLGet(name_, p, 0) }

            function _emscripten_glGetInternalformativ(target, internalformat, pname, bufSize, params) { if (bufSize < 0) { GL.recordError(1281); return } if (!params) { GL.recordError(1281); return } var ret = GLctx["getInternalformatParameter"](target, internalformat, pname); if (ret === null) return; for (var i = 0; i < ret.length && i < bufSize; ++i) { GROWABLE_HEAP_I32()[params + i * 4 >> 2] = ret[i] } }

            function _emscripten_glGetProgramBinary(program, bufSize, length, binaryFormat, binary) { GL.recordError(1282) }

            function _emscripten_glGetProgramInfoLog(program, maxLength, length, infoLog) { var log = GLctx.getProgramInfoLog(GL.programs[program]); if (log === null) log = "(unknown error)"; var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0; if (length) GROWABLE_HEAP_I32()[length >> 2] = numBytesWrittenExclNull }

            function _emscripten_glGetProgramiv(program, pname, p) {
                if (!p) { GL.recordError(1281); return }
                if (program >= GL.counter) { GL.recordError(1281); return }
                program = GL.programs[program];
                if (pname == 35716) {
                    var log = GLctx.getProgramInfoLog(program);
                    if (log === null) log = "(unknown error)";
                    GROWABLE_HEAP_I32()[p >> 2] = log.length + 1
                } else if (pname == 35719) {
                    if (!program.maxUniformLength) { for (var i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) { program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1) } }
                    GROWABLE_HEAP_I32()[p >> 2] = program.maxUniformLength
                } else if (pname == 35722) {
                    if (!program.maxAttributeLength) { for (var i = 0; i < GLctx.getProgramParameter(program, 35721); ++i) { program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1) } }
                    GROWABLE_HEAP_I32()[p >> 2] = program.maxAttributeLength
                } else if (pname == 35381) {
                    if (!program.maxUniformBlockNameLength) { for (var i = 0; i < GLctx.getProgramParameter(program, 35382); ++i) { program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1) } }
                    GROWABLE_HEAP_I32()[p >> 2] = program.maxUniformBlockNameLength
                } else { GROWABLE_HEAP_I32()[p >> 2] = GLctx.getProgramParameter(program, pname) }
            }

            function _emscripten_glGetQueryObjecti64vEXT(id, pname, params) {
                if (!params) { GL.recordError(1281); return }
                var query = GL.queries[id];
                var param;
                if (GL.currentContext.version < 2) { param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname) } else { param = GLctx["getQueryParameter"](query, pname) }
                var ret;
                if (typeof param == "boolean") { ret = param ? 1 : 0 } else { ret = param }
                writeI53ToI64(params, ret)
            }

            function _emscripten_glGetQueryObjectivEXT(id, pname, params) {
                if (!params) { GL.recordError(1281); return }
                var query = GL.queries[id];
                var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
                var ret;
                if (typeof param == "boolean") { ret = param ? 1 : 0 } else { ret = param }
                GROWABLE_HEAP_I32()[params >> 2] = ret
            }

            function _emscripten_glGetQueryObjectui64vEXT(id, pname, params) {
                if (!params) { GL.recordError(1281); return }
                var query = GL.queries[id];
                var param;
                if (GL.currentContext.version < 2) { param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname) } else { param = GLctx["getQueryParameter"](query, pname) }
                var ret;
                if (typeof param == "boolean") { ret = param ? 1 : 0 } else { ret = param }
                writeI53ToI64(params, ret)
            }

            function _emscripten_glGetQueryObjectuiv(id, pname, params) {
                if (!params) { GL.recordError(1281); return }
                var query = GL.queries[id];
                var param = GLctx["getQueryParameter"](query, pname);
                var ret;
                if (typeof param == "boolean") { ret = param ? 1 : 0 } else { ret = param }
                GROWABLE_HEAP_I32()[params >> 2] = ret
            }

            function _emscripten_glGetQueryObjectuivEXT(id, pname, params) {
                if (!params) { GL.recordError(1281); return }
                var query = GL.queries[id];
                var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
                var ret;
                if (typeof param == "boolean") { ret = param ? 1 : 0 } else { ret = param }
                GROWABLE_HEAP_I32()[params >> 2] = ret
            }

            function _emscripten_glGetQueryiv(target, pname, params) {
                if (!params) { GL.recordError(1281); return }
                GROWABLE_HEAP_I32()[params >> 2] = GLctx["getQuery"](target, pname)
            }

            function _emscripten_glGetQueryivEXT(target, pname, params) {
                if (!params) { GL.recordError(1281); return }
                GROWABLE_HEAP_I32()[params >> 2] = GLctx.disjointTimerQueryExt["getQueryEXT"](target, pname)
            }

            function _emscripten_glGetRenderbufferParameteriv(target, pname, params) {
                if (!params) { GL.recordError(1281); return }
                GROWABLE_HEAP_I32()[params >> 2] = GLctx.getRenderbufferParameter(target, pname)
            }

            function _emscripten_glGetSamplerParameterfv(sampler, pname, params) {
                if (!params) { GL.recordError(1281); return }
                GROWABLE_HEAP_F32()[params >> 2] = GLctx["getSamplerParameter"](GL.samplers[sampler], pname)
            }

            function _emscripten_glGetSamplerParameteriv(sampler, pname, params) {
                if (!params) { GL.recordError(1281); return }
                GROWABLE_HEAP_I32()[params >> 2] = GLctx["getSamplerParameter"](GL.samplers[sampler], pname)
            }

            function _emscripten_glGetShaderInfoLog(shader, maxLength, length, infoLog) { var log = GLctx.getShaderInfoLog(GL.shaders[shader]); if (log === null) log = "(unknown error)"; var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0; if (length) GROWABLE_HEAP_I32()[length >> 2] = numBytesWrittenExclNull }

            function _emscripten_glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) {
                var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType);
                GROWABLE_HEAP_I32()[range >> 2] = result.rangeMin;
                GROWABLE_HEAP_I32()[range + 4 >> 2] = result.rangeMax;
                GROWABLE_HEAP_I32()[precision >> 2] = result.precision
            }

            function _emscripten_glGetShaderSource(shader, bufSize, length, source) { var result = GLctx.getShaderSource(GL.shaders[shader]); if (!result) return; var numBytesWrittenExclNull = bufSize > 0 && source ? stringToUTF8(result, source, bufSize) : 0; if (length) GROWABLE_HEAP_I32()[length >> 2] = numBytesWrittenExclNull }

            function _emscripten_glGetShaderiv(shader, pname, p) {
                if (!p) { GL.recordError(1281); return }
                if (pname == 35716) {
                    var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
                    if (log === null) log = "(unknown error)";
                    var logLength = log ? log.length + 1 : 0;
                    GROWABLE_HEAP_I32()[p >> 2] = logLength
                } else if (pname == 35720) {
                    var source = GLctx.getShaderSource(GL.shaders[shader]);
                    var sourceLength = source ? source.length + 1 : 0;
                    GROWABLE_HEAP_I32()[p >> 2] = sourceLength
                } else { GROWABLE_HEAP_I32()[p >> 2] = GLctx.getShaderParameter(GL.shaders[shader], pname) }
            }

            function stringToNewUTF8(jsString) {
                var length = lengthBytesUTF8(jsString) + 1;
                var cString = _malloc(length);
                stringToUTF8(jsString, cString, length);
                return cString
            }

            function _emscripten_glGetString(name_) {
                var ret = GL.stringCache[name_];
                if (!ret) {
                    switch (name_) {
                        case 7939:
                            var exts = GLctx.getSupportedExtensions() || [];
                            exts = exts.concat(exts.map(function(e) { return "GL_" + e }));
                            ret = stringToNewUTF8(exts.join(" "));
                            break;
                        case 7936:
                        case 7937:
                        case 37445:
                        case 37446:
                            var s = GLctx.getParameter(name_);
                            if (!s) { GL.recordError(1280) }
                            ret = s && stringToNewUTF8(s);
                            break;
                        case 7938:
                            var glVersion = GLctx.getParameter(7938);
                            if (GL.currentContext.version >= 2) glVersion = "OpenGL ES 3.0 (" + glVersion + ")";
                            else { glVersion = "OpenGL ES 2.0 (" + glVersion + ")" }
                            ret = stringToNewUTF8(glVersion);
                            break;
                        case 35724:
                            var glslVersion = GLctx.getParameter(35724);
                            var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
                            var ver_num = glslVersion.match(ver_re);
                            if (ver_num !== null) {
                                if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
                                glslVersion = "OpenGL ES GLSL ES " + ver_num[1] + " (" + glslVersion + ")"
                            }
                            ret = stringToNewUTF8(glslVersion);
                            break;
                        default:
                            GL.recordError(1280)
                    }
                    GL.stringCache[name_] = ret
                }
                return ret
            }

            function _emscripten_glGetStringi(name, index) {
                if (GL.currentContext.version < 2) { GL.recordError(1282); return 0 }
                var stringiCache = GL.stringiCache[name];
                if (stringiCache) { if (index < 0 || index >= stringiCache.length) { GL.recordError(1281); return 0 } return stringiCache[index] }
                switch (name) {
                    case 7939:
                        var exts = GLctx.getSupportedExtensions() || [];
                        exts = exts.concat(exts.map(function(e) { return "GL_" + e }));
                        exts = exts.map(function(e) { return stringToNewUTF8(e) });
                        stringiCache = GL.stringiCache[name] = exts;
                        if (index < 0 || index >= stringiCache.length) { GL.recordError(1281); return 0 }
                        return stringiCache[index];
                    default:
                        GL.recordError(1280);
                        return 0
                }
            }

            function _emscripten_glGetSynciv(sync, pname, bufSize, length, values) { if (bufSize < 0) { GL.recordError(1281); return } if (!values) { GL.recordError(1281); return } var ret = GLctx.getSyncParameter(GL.syncs[sync], pname); if (ret !== null) { GROWABLE_HEAP_I32()[values >> 2] = ret; if (length) GROWABLE_HEAP_I32()[length >> 2] = 1 } }

            function _emscripten_glGetTexParameterfv(target, pname, params) {
                if (!params) { GL.recordError(1281); return }
                GROWABLE_HEAP_F32()[params >> 2] = GLctx.getTexParameter(target, pname)
            }

            function _emscripten_glGetTexParameteriv(target, pname, params) {
                if (!params) { GL.recordError(1281); return }
                GROWABLE_HEAP_I32()[params >> 2] = GLctx.getTexParameter(target, pname)
            }

            function _emscripten_glGetTransformFeedbackVarying(program, index, bufSize, length, size, type, name) { program = GL.programs[program]; var info = GLctx["getTransformFeedbackVarying"](program, index); if (!info) return; if (name && bufSize > 0) { var numBytesWrittenExclNull = stringToUTF8(info.name, name, bufSize); if (length) GROWABLE_HEAP_I32()[length >> 2] = numBytesWrittenExclNull } else { if (length) GROWABLE_HEAP_I32()[length >> 2] = 0 } if (size) GROWABLE_HEAP_I32()[size >> 2] = info.size; if (type) GROWABLE_HEAP_I32()[type >> 2] = info.type }

            function _emscripten_glGetUniformBlockIndex(program, uniformBlockName) { return GLctx["getUniformBlockIndex"](GL.programs[program], UTF8ToString(uniformBlockName)) }

            function _emscripten_glGetUniformIndices(program, uniformCount, uniformNames, uniformIndices) {
                if (!uniformIndices) { GL.recordError(1281); return }
                if (uniformCount > 0 && (uniformNames == 0 || uniformIndices == 0)) { GL.recordError(1281); return }
                program = GL.programs[program];
                var names = [];
                for (var i = 0; i < uniformCount; i++) names.push(UTF8ToString(GROWABLE_HEAP_I32()[uniformNames + i * 4 >> 2]));
                var result = GLctx["getUniformIndices"](program, names);
                if (!result) return;
                var len = result.length;
                for (var i = 0; i < len; i++) { GROWABLE_HEAP_I32()[uniformIndices + i * 4 >> 2] = result[i] }
            }

            function webglGetLeftBracePos(name) { return name.slice(-1) == "]" && name.lastIndexOf("[") }

            function webglPrepareUniformLocationsBeforeFirstUse(program) {
                var uniformLocsById = program.uniformLocsById,
                    uniformSizeAndIdsByName = program.uniformSizeAndIdsByName,
                    i, j;
                if (!uniformLocsById) {
                    program.uniformLocsById = uniformLocsById = {};
                    program.uniformArrayNamesById = {};
                    for (i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
                        var u = GLctx.getActiveUniform(program, i);
                        var nm = u.name;
                        var sz = u.size;
                        var lb = webglGetLeftBracePos(nm);
                        var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
                        var id = program.uniformIdCounter;
                        program.uniformIdCounter += sz;
                        uniformSizeAndIdsByName[arrayName] = [sz, id];
                        for (j = 0; j < sz; ++j) {
                            uniformLocsById[id] = j;
                            program.uniformArrayNamesById[id++] = arrayName
                        }
                    }
                }
            }

            function _emscripten_glGetUniformLocation(program, name) {
                name = UTF8ToString(name);
                if (program = GL.programs[program]) {
                    webglPrepareUniformLocationsBeforeFirstUse(program);
                    var uniformLocsById = program.uniformLocsById;
                    var arrayIndex = 0;
                    var uniformBaseName = name;
                    var leftBrace = webglGetLeftBracePos(name);
                    if (leftBrace > 0) {
                        arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
                        uniformBaseName = name.slice(0, leftBrace)
                    }
                    var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
                    if (sizeAndId && arrayIndex < sizeAndId[0]) { arrayIndex += sizeAndId[1]; if (uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name)) { return arrayIndex } }
                } else { GL.recordError(1281) }
                return -1
            }

            function webglGetUniformLocation(location) { var p = GLctx.currentProgram; if (p) { var webglLoc = p.uniformLocsById[location]; if (typeof webglLoc == "number") { p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? "[" + webglLoc + "]" : "")) } return webglLoc } else { GL.recordError(1282) } }

            function emscriptenWebGLGetUniform(program, location, params, type) {
                if (!params) { GL.recordError(1281); return }
                program = GL.programs[program];
                webglPrepareUniformLocationsBeforeFirstUse(program);
                var data = GLctx.getUniform(program, webglGetUniformLocation(location));
                if (typeof data == "number" || typeof data == "boolean") {
                    switch (type) {
                        case 0:
                            GROWABLE_HEAP_I32()[params >> 2] = data;
                            break;
                        case 2:
                            GROWABLE_HEAP_F32()[params >> 2] = data;
                            break
                    }
                } else {
                    for (var i = 0; i < data.length; i++) {
                        switch (type) {
                            case 0:
                                GROWABLE_HEAP_I32()[params + i * 4 >> 2] = data[i];
                                break;
                            case 2:
                                GROWABLE_HEAP_F32()[params + i * 4 >> 2] = data[i];
                                break
                        }
                    }
                }
            }

            function _emscripten_glGetUniformfv(program, location, params) { emscriptenWebGLGetUniform(program, location, params, 2) }

            function _emscripten_glGetUniformiv(program, location, params) { emscriptenWebGLGetUniform(program, location, params, 0) }

            function _emscripten_glGetUniformuiv(program, location, params) { emscriptenWebGLGetUniform(program, location, params, 0) }

            function emscriptenWebGLGetVertexAttrib(index, pname, params, type) {
                if (!params) { GL.recordError(1281); return }
                var data = GLctx.getVertexAttrib(index, pname);
                if (pname == 34975) { GROWABLE_HEAP_I32()[params >> 2] = data && data["name"] } else if (typeof data == "number" || typeof data == "boolean") {
                    switch (type) {
                        case 0:
                            GROWABLE_HEAP_I32()[params >> 2] = data;
                            break;
                        case 2:
                            GROWABLE_HEAP_F32()[params >> 2] = data;
                            break;
                        case 5:
                            GROWABLE_HEAP_I32()[params >> 2] = Math.fround(data);
                            break
                    }
                } else {
                    for (var i = 0; i < data.length; i++) {
                        switch (type) {
                            case 0:
                                GROWABLE_HEAP_I32()[params + i * 4 >> 2] = data[i];
                                break;
                            case 2:
                                GROWABLE_HEAP_F32()[params + i * 4 >> 2] = data[i];
                                break;
                            case 5:
                                GROWABLE_HEAP_I32()[params + i * 4 >> 2] = Math.fround(data[i]);
                                break
                        }
                    }
                }
            }

            function _emscripten_glGetVertexAttribIiv(index, pname, params) { emscriptenWebGLGetVertexAttrib(index, pname, params, 0) }

            function _emscripten_glGetVertexAttribIuiv(index, pname, params) { emscriptenWebGLGetVertexAttrib(index, pname, params, 0) }

            function _emscripten_glGetVertexAttribPointerv(index, pname, pointer) {
                if (!pointer) { GL.recordError(1281); return }
                GROWABLE_HEAP_I32()[pointer >> 2] = GLctx.getVertexAttribOffset(index, pname)
            }

            function _emscripten_glGetVertexAttribfv(index, pname, params) { emscriptenWebGLGetVertexAttrib(index, pname, params, 2) }

            function _emscripten_glGetVertexAttribiv(index, pname, params) { emscriptenWebGLGetVertexAttrib(index, pname, params, 5) }

            function _emscripten_glHint(x0, x1) { GLctx["hint"](x0, x1) }

            function _emscripten_glInvalidateFramebuffer(target, numAttachments, attachments) {
                var list = tempFixedLengthArray[numAttachments];
                for (var i = 0; i < numAttachments; i++) { list[i] = GROWABLE_HEAP_I32()[attachments + i * 4 >> 2] }
                GLctx["invalidateFramebuffer"](target, list)
            }

            function _emscripten_glInvalidateSubFramebuffer(target, numAttachments, attachments, x, y, width, height) {
                var list = tempFixedLengthArray[numAttachments];
                for (var i = 0; i < numAttachments; i++) { list[i] = GROWABLE_HEAP_I32()[attachments + i * 4 >> 2] }
                GLctx["invalidateSubFramebuffer"](target, list, x, y, width, height)
            }

            function _emscripten_glIsBuffer(buffer) { var b = GL.buffers[buffer]; if (!b) return 0; return GLctx.isBuffer(b) }

            function _emscripten_glIsEnabled(x0) { return GLctx["isEnabled"](x0) }

            function _emscripten_glIsFramebuffer(framebuffer) { var fb = GL.framebuffers[framebuffer]; if (!fb) return 0; return GLctx.isFramebuffer(fb) }

            function _emscripten_glIsProgram(program) { program = GL.programs[program]; if (!program) return 0; return GLctx.isProgram(program) }

            function _emscripten_glIsQuery(id) { var query = GL.queries[id]; if (!query) return 0; return GLctx["isQuery"](query) }

            function _emscripten_glIsQueryEXT(id) { var query = GL.queries[id]; if (!query) return 0; return GLctx.disjointTimerQueryExt["isQueryEXT"](query) }

            function _emscripten_glIsRenderbuffer(renderbuffer) { var rb = GL.renderbuffers[renderbuffer]; if (!rb) return 0; return GLctx.isRenderbuffer(rb) }

            function _emscripten_glIsSampler(id) { var sampler = GL.samplers[id]; if (!sampler) return 0; return GLctx["isSampler"](sampler) }

            function _emscripten_glIsShader(shader) { var s = GL.shaders[shader]; if (!s) return 0; return GLctx.isShader(s) }

            function _emscripten_glIsSync(sync) { return GLctx.isSync(GL.syncs[sync]) }

            function _emscripten_glIsTexture(id) { var texture = GL.textures[id]; if (!texture) return 0; return GLctx.isTexture(texture) }

            function _emscripten_glIsTransformFeedback(id) { return GLctx["isTransformFeedback"](GL.transformFeedbacks[id]) }

            function _emscripten_glIsVertexArray(array) { var vao = GL.vaos[array]; if (!vao) return 0; return GLctx["isVertexArray"](vao) }

            function _emscripten_glLineWidth(x0) { GLctx["lineWidth"](x0) }

            function _emscripten_glLinkProgram(program) {
                program = GL.programs[program];
                GLctx.linkProgram(program);
                program.uniformLocsById = 0;
                program.uniformSizeAndIdsByName = {}
            }

            function _emscripten_glPauseTransformFeedback() { GLctx["pauseTransformFeedback"]() }

            function _emscripten_glPixelStorei(pname, param) {
                if (pname == 3317) { GL.unpackAlignment = param }
                GLctx.pixelStorei(pname, param)
            }

            function _emscripten_glPolygonOffset(x0, x1) { GLctx["polygonOffset"](x0, x1) }

            function _emscripten_glProgramBinary(program, binaryFormat, binary, length) { GL.recordError(1280) }

            function _emscripten_glProgramParameteri(program, pname, value) { GL.recordError(1280) }

            function _emscripten_glQueryCounterEXT(id, target) { GLctx.disjointTimerQueryExt["queryCounterEXT"](GL.queries[id], target) }

            function _emscripten_glReadBuffer(x0) { GLctx["readBuffer"](x0) }

            function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) {
                function roundedToNextMultipleOf(x, y) { return x + y - 1 & -y }
                var plainRowSize = width * sizePerPixel;
                var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
                return height * alignedRowSize
            }

            function __colorChannelsInGlTextureFormat(format) { var colorChannels = { 5: 3, 6: 4, 8: 2, 29502: 3, 29504: 4, 26917: 2, 26918: 2, 29846: 3, 29847: 4 }; return colorChannels[format - 6402] || 1 }

            function heapObjectForWebGLType(type) { type -= 5120; if (type == 0) return GROWABLE_HEAP_I8(); if (type == 1) return GROWABLE_HEAP_U8(); if (type == 2) return GROWABLE_HEAP_I16(); if (type == 4) return GROWABLE_HEAP_I32(); if (type == 6) return GROWABLE_HEAP_F32(); if (type == 5 || type == 28922 || type == 28520 || type == 30779 || type == 30782) return GROWABLE_HEAP_U32(); return GROWABLE_HEAP_U16() }

            function heapAccessShiftForWebGLHeap(heap) { return 31 - Math.clz32(heap.BYTES_PER_ELEMENT) }

            function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) { var heap = heapObjectForWebGLType(type); var shift = heapAccessShiftForWebGLHeap(heap); var byteSize = 1 << shift; var sizePerPixel = __colorChannelsInGlTextureFormat(format) * byteSize; var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment); return heap.subarray(pixels >> shift, pixels + bytes >> shift) }

            function _emscripten_glReadPixels(x, y, width, height, format, type, pixels) {
                if (GL.currentContext.version >= 2) {
                    if (GLctx.currentPixelPackBufferBinding) { GLctx.readPixels(x, y, width, height, format, type, pixels) } else {
                        var heap = heapObjectForWebGLType(type);
                        GLctx.readPixels(x, y, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap))
                    }
                    return
                }
                var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
                if (!pixelData) { GL.recordError(1280); return }
                GLctx.readPixels(x, y, width, height, format, type, pixelData)
            }

            function _emscripten_glReleaseShaderCompiler() {}

            function _emscripten_glRenderbufferStorage(x0, x1, x2, x3) { GLctx["renderbufferStorage"](x0, x1, x2, x3) }

            function _emscripten_glRenderbufferStorageMultisample(x0, x1, x2, x3, x4) { GLctx["renderbufferStorageMultisample"](x0, x1, x2, x3, x4) }

            function _emscripten_glResumeTransformFeedback() { GLctx["resumeTransformFeedback"]() }

            function _emscripten_glSampleCoverage(value, invert) { GLctx.sampleCoverage(value, !!invert) }

            function _emscripten_glSamplerParameterf(sampler, pname, param) { GLctx["samplerParameterf"](GL.samplers[sampler], pname, param) }

            function _emscripten_glSamplerParameterfv(sampler, pname, params) {
                var param = GROWABLE_HEAP_F32()[params >> 2];
                GLctx["samplerParameterf"](GL.samplers[sampler], pname, param)
            }

            function _emscripten_glSamplerParameteri(sampler, pname, param) { GLctx["samplerParameteri"](GL.samplers[sampler], pname, param) }

            function _emscripten_glSamplerParameteriv(sampler, pname, params) {
                var param = GROWABLE_HEAP_I32()[params >> 2];
                GLctx["samplerParameteri"](GL.samplers[sampler], pname, param)
            }

            function _emscripten_glScissor(x0, x1, x2, x3) { GLctx["scissor"](x0, x1, x2, x3) }

            function _emscripten_glShaderBinary() { GL.recordError(1280) }

            function _emscripten_glShaderSource(shader, count, string, length) {
                var source = GL.getSource(shader, count, string, length);
                GLctx.shaderSource(GL.shaders[shader], source)
            }

            function _emscripten_glStencilFunc(x0, x1, x2) { GLctx["stencilFunc"](x0, x1, x2) }

            function _emscripten_glStencilFuncSeparate(x0, x1, x2, x3) { GLctx["stencilFuncSeparate"](x0, x1, x2, x3) }

            function _emscripten_glStencilMask(x0) { GLctx["stencilMask"](x0) }

            function _emscripten_glStencilMaskSeparate(x0, x1) { GLctx["stencilMaskSeparate"](x0, x1) }

            function _emscripten_glStencilOp(x0, x1, x2) { GLctx["stencilOp"](x0, x1, x2) }

            function _emscripten_glStencilOpSeparate(x0, x1, x2, x3) { GLctx["stencilOpSeparate"](x0, x1, x2, x3) }

            function _emscripten_glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
                if (GL.currentContext.version >= 2) {
                    if (GLctx.currentPixelUnpackBufferBinding) { GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels) } else if (pixels) {
                        var heap = heapObjectForWebGLType(type);
                        GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap))
                    } else { GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null) }
                    return
                }
                GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null)
            }

            function _emscripten_glTexImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels) {
                if (GLctx.currentPixelUnpackBufferBinding) { GLctx["texImage3D"](target, level, internalFormat, width, height, depth, border, format, type, pixels) } else if (pixels) {
                    var heap = heapObjectForWebGLType(type);
                    GLctx["texImage3D"](target, level, internalFormat, width, height, depth, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap))
                } else { GLctx["texImage3D"](target, level, internalFormat, width, height, depth, border, format, type, null) }
            }

            function _emscripten_glTexParameterf(x0, x1, x2) { GLctx["texParameterf"](x0, x1, x2) }

            function _emscripten_glTexParameterfv(target, pname, params) {
                var param = GROWABLE_HEAP_F32()[params >> 2];
                GLctx.texParameterf(target, pname, param)
            }

            function _emscripten_glTexParameteri(x0, x1, x2) { GLctx["texParameteri"](x0, x1, x2) }

            function _emscripten_glTexParameteriv(target, pname, params) {
                var param = GROWABLE_HEAP_I32()[params >> 2];
                GLctx.texParameteri(target, pname, param)
            }

            function _emscripten_glTexStorage2D(x0, x1, x2, x3, x4) { GLctx["texStorage2D"](x0, x1, x2, x3, x4) }

            function _emscripten_glTexStorage3D(x0, x1, x2, x3, x4, x5) { GLctx["texStorage3D"](x0, x1, x2, x3, x4, x5) }

            function _emscripten_glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
                if (GL.currentContext.version >= 2) {
                    if (GLctx.currentPixelUnpackBufferBinding) { GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) } else if (pixels) {
                        var heap = heapObjectForWebGLType(type);
                        GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap))
                    } else { GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, null) }
                    return
                }
                var pixelData = null;
                if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
                GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData)
            }

            function _emscripten_glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) {
                if (GLctx.currentPixelUnpackBufferBinding) { GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) } else if (pixels) {
                    var heap = heapObjectForWebGLType(type);
                    GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap))
                } else { GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null) }
            }

            function _emscripten_glTransformFeedbackVaryings(program, count, varyings, bufferMode) {
                program = GL.programs[program];
                var vars = [];
                for (var i = 0; i < count; i++) vars.push(UTF8ToString(GROWABLE_HEAP_I32()[varyings + i * 4 >> 2]));
                GLctx["transformFeedbackVaryings"](program, vars, bufferMode)
            }

            function _emscripten_glUniform1f(location, v0) { GLctx.uniform1f(webglGetUniformLocation(location), v0) }
            var miniTempWebGLFloatBuffers = [];

            function _emscripten_glUniform1fv(location, count, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniform1fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count); return }
                if (count <= 288) { var view = miniTempWebGLFloatBuffers[count - 1]; for (var i = 0; i < count; ++i) { view[i] = GROWABLE_HEAP_F32()[value + 4 * i >> 2] } } else { var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 4 >> 2) }
                GLctx.uniform1fv(webglGetUniformLocation(location), view)
            }

            function _emscripten_glUniform1i(location, v0) { GLctx.uniform1i(webglGetUniformLocation(location), v0) }
            var __miniTempWebGLIntBuffers = [];

            function _emscripten_glUniform1iv(location, count, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniform1iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count); return }
                if (count <= 288) { var view = __miniTempWebGLIntBuffers[count - 1]; for (var i = 0; i < count; ++i) { view[i] = GROWABLE_HEAP_I32()[value + 4 * i >> 2] } } else { var view = GROWABLE_HEAP_I32().subarray(value >> 2, value + count * 4 >> 2) }
                GLctx.uniform1iv(webglGetUniformLocation(location), view)
            }

            function _emscripten_glUniform1ui(location, v0) { GLctx.uniform1ui(webglGetUniformLocation(location), v0) }

            function _emscripten_glUniform1uiv(location, count, value) { GLctx.uniform1uiv(webglGetUniformLocation(location), GROWABLE_HEAP_U32(), value >> 2, count) }

            function _emscripten_glUniform2f(location, v0, v1) { GLctx.uniform2f(webglGetUniformLocation(location), v0, v1) }

            function _emscripten_glUniform2fv(location, count, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniform2fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count * 2); return }
                if (count <= 144) {
                    var view = miniTempWebGLFloatBuffers[2 * count - 1];
                    for (var i = 0; i < 2 * count; i += 2) {
                        view[i] = GROWABLE_HEAP_F32()[value + 4 * i >> 2];
                        view[i + 1] = GROWABLE_HEAP_F32()[value + (4 * i + 4) >> 2]
                    }
                } else { var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 8 >> 2) }
                GLctx.uniform2fv(webglGetUniformLocation(location), view)
            }

            function _emscripten_glUniform2i(location, v0, v1) { GLctx.uniform2i(webglGetUniformLocation(location), v0, v1) }

            function _emscripten_glUniform2iv(location, count, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniform2iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count * 2); return }
                if (count <= 144) {
                    var view = __miniTempWebGLIntBuffers[2 * count - 1];
                    for (var i = 0; i < 2 * count; i += 2) {
                        view[i] = GROWABLE_HEAP_I32()[value + 4 * i >> 2];
                        view[i + 1] = GROWABLE_HEAP_I32()[value + (4 * i + 4) >> 2]
                    }
                } else { var view = GROWABLE_HEAP_I32().subarray(value >> 2, value + count * 8 >> 2) }
                GLctx.uniform2iv(webglGetUniformLocation(location), view)
            }

            function _emscripten_glUniform2ui(location, v0, v1) { GLctx.uniform2ui(webglGetUniformLocation(location), v0, v1) }

            function _emscripten_glUniform2uiv(location, count, value) { GLctx.uniform2uiv(webglGetUniformLocation(location), GROWABLE_HEAP_U32(), value >> 2, count * 2) }

            function _emscripten_glUniform3f(location, v0, v1, v2) { GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2) }

            function _emscripten_glUniform3fv(location, count, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniform3fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count * 3); return }
                if (count <= 96) {
                    var view = miniTempWebGLFloatBuffers[3 * count - 1];
                    for (var i = 0; i < 3 * count; i += 3) {
                        view[i] = GROWABLE_HEAP_F32()[value + 4 * i >> 2];
                        view[i + 1] = GROWABLE_HEAP_F32()[value + (4 * i + 4) >> 2];
                        view[i + 2] = GROWABLE_HEAP_F32()[value + (4 * i + 8) >> 2]
                    }
                } else { var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 12 >> 2) }
                GLctx.uniform3fv(webglGetUniformLocation(location), view)
            }

            function _emscripten_glUniform3i(location, v0, v1, v2) { GLctx.uniform3i(webglGetUniformLocation(location), v0, v1, v2) }

            function _emscripten_glUniform3iv(location, count, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniform3iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count * 3); return }
                if (count <= 96) {
                    var view = __miniTempWebGLIntBuffers[3 * count - 1];
                    for (var i = 0; i < 3 * count; i += 3) {
                        view[i] = GROWABLE_HEAP_I32()[value + 4 * i >> 2];
                        view[i + 1] = GROWABLE_HEAP_I32()[value + (4 * i + 4) >> 2];
                        view[i + 2] = GROWABLE_HEAP_I32()[value + (4 * i + 8) >> 2]
                    }
                } else { var view = GROWABLE_HEAP_I32().subarray(value >> 2, value + count * 12 >> 2) }
                GLctx.uniform3iv(webglGetUniformLocation(location), view)
            }

            function _emscripten_glUniform3ui(location, v0, v1, v2) { GLctx.uniform3ui(webglGetUniformLocation(location), v0, v1, v2) }

            function _emscripten_glUniform3uiv(location, count, value) { GLctx.uniform3uiv(webglGetUniformLocation(location), GROWABLE_HEAP_U32(), value >> 2, count * 3) }

            function _emscripten_glUniform4f(location, v0, v1, v2, v3) { GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3) }

            function _emscripten_glUniform4fv(location, count, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniform4fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count * 4); return }
                if (count <= 72) {
                    var view = miniTempWebGLFloatBuffers[4 * count - 1];
                    var heap = GROWABLE_HEAP_F32();
                    value >>= 2;
                    for (var i = 0; i < 4 * count; i += 4) {
                        var dst = value + i;
                        view[i] = heap[dst];
                        view[i + 1] = heap[dst + 1];
                        view[i + 2] = heap[dst + 2];
                        view[i + 3] = heap[dst + 3]
                    }
                } else { var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 16 >> 2) }
                GLctx.uniform4fv(webglGetUniformLocation(location), view)
            }

            function _emscripten_glUniform4i(location, v0, v1, v2, v3) { GLctx.uniform4i(webglGetUniformLocation(location), v0, v1, v2, v3) }

            function _emscripten_glUniform4iv(location, count, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniform4iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count * 4); return }
                if (count <= 72) {
                    var view = __miniTempWebGLIntBuffers[4 * count - 1];
                    for (var i = 0; i < 4 * count; i += 4) {
                        view[i] = GROWABLE_HEAP_I32()[value + 4 * i >> 2];
                        view[i + 1] = GROWABLE_HEAP_I32()[value + (4 * i + 4) >> 2];
                        view[i + 2] = GROWABLE_HEAP_I32()[value + (4 * i + 8) >> 2];
                        view[i + 3] = GROWABLE_HEAP_I32()[value + (4 * i + 12) >> 2]
                    }
                } else { var view = GROWABLE_HEAP_I32().subarray(value >> 2, value + count * 16 >> 2) }
                GLctx.uniform4iv(webglGetUniformLocation(location), view)
            }

            function _emscripten_glUniform4ui(location, v0, v1, v2, v3) { GLctx.uniform4ui(webglGetUniformLocation(location), v0, v1, v2, v3) }

            function _emscripten_glUniform4uiv(location, count, value) { GLctx.uniform4uiv(webglGetUniformLocation(location), GROWABLE_HEAP_U32(), value >> 2, count * 4) }

            function _emscripten_glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) {
                program = GL.programs[program];
                GLctx["uniformBlockBinding"](program, uniformBlockIndex, uniformBlockBinding)
            }

            function _emscripten_glUniformMatrix2fv(location, count, transpose, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 4); return }
                if (count <= 72) {
                    var view = miniTempWebGLFloatBuffers[4 * count - 1];
                    for (var i = 0; i < 4 * count; i += 4) {
                        view[i] = GROWABLE_HEAP_F32()[value + 4 * i >> 2];
                        view[i + 1] = GROWABLE_HEAP_F32()[value + (4 * i + 4) >> 2];
                        view[i + 2] = GROWABLE_HEAP_F32()[value + (4 * i + 8) >> 2];
                        view[i + 3] = GROWABLE_HEAP_F32()[value + (4 * i + 12) >> 2]
                    }
                } else { var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 16 >> 2) }
                GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view)
            }

            function _emscripten_glUniformMatrix2x3fv(location, count, transpose, value) { GLctx.uniformMatrix2x3fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 6) }

            function _emscripten_glUniformMatrix2x4fv(location, count, transpose, value) { GLctx.uniformMatrix2x4fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 8) }

            function _emscripten_glUniformMatrix3fv(location, count, transpose, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 9); return }
                if (count <= 32) {
                    var view = miniTempWebGLFloatBuffers[9 * count - 1];
                    for (var i = 0; i < 9 * count; i += 9) {
                        view[i] = GROWABLE_HEAP_F32()[value + 4 * i >> 2];
                        view[i + 1] = GROWABLE_HEAP_F32()[value + (4 * i + 4) >> 2];
                        view[i + 2] = GROWABLE_HEAP_F32()[value + (4 * i + 8) >> 2];
                        view[i + 3] = GROWABLE_HEAP_F32()[value + (4 * i + 12) >> 2];
                        view[i + 4] = GROWABLE_HEAP_F32()[value + (4 * i + 16) >> 2];
                        view[i + 5] = GROWABLE_HEAP_F32()[value + (4 * i + 20) >> 2];
                        view[i + 6] = GROWABLE_HEAP_F32()[value + (4 * i + 24) >> 2];
                        view[i + 7] = GROWABLE_HEAP_F32()[value + (4 * i + 28) >> 2];
                        view[i + 8] = GROWABLE_HEAP_F32()[value + (4 * i + 32) >> 2]
                    }
                } else { var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 36 >> 2) }
                GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view)
            }

            function _emscripten_glUniformMatrix3x2fv(location, count, transpose, value) { GLctx.uniformMatrix3x2fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 6) }

            function _emscripten_glUniformMatrix3x4fv(location, count, transpose, value) { GLctx.uniformMatrix3x4fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 12) }

            function _emscripten_glUniformMatrix4fv(location, count, transpose, value) {
                if (GL.currentContext.version >= 2) { GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 16); return }
                if (count <= 18) {
                    var view = miniTempWebGLFloatBuffers[16 * count - 1];
                    var heap = GROWABLE_HEAP_F32();
                    value >>= 2;
                    for (var i = 0; i < 16 * count; i += 16) {
                        var dst = value + i;
                        view[i] = heap[dst];
                        view[i + 1] = heap[dst + 1];
                        view[i + 2] = heap[dst + 2];
                        view[i + 3] = heap[dst + 3];
                        view[i + 4] = heap[dst + 4];
                        view[i + 5] = heap[dst + 5];
                        view[i + 6] = heap[dst + 6];
                        view[i + 7] = heap[dst + 7];
                        view[i + 8] = heap[dst + 8];
                        view[i + 9] = heap[dst + 9];
                        view[i + 10] = heap[dst + 10];
                        view[i + 11] = heap[dst + 11];
                        view[i + 12] = heap[dst + 12];
                        view[i + 13] = heap[dst + 13];
                        view[i + 14] = heap[dst + 14];
                        view[i + 15] = heap[dst + 15]
                    }
                } else { var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 64 >> 2) }
                GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view)
            }

            function _emscripten_glUniformMatrix4x2fv(location, count, transpose, value) { GLctx.uniformMatrix4x2fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 8) }

            function _emscripten_glUniformMatrix4x3fv(location, count, transpose, value) { GLctx.uniformMatrix4x3fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 12) }

            function _emscripten_glUseProgram(program) {
                program = GL.programs[program];
                GLctx.useProgram(program);
                GLctx.currentProgram = program
            }

            function _emscripten_glValidateProgram(program) { GLctx.validateProgram(GL.programs[program]) }

            function _emscripten_glVertexAttrib1f(x0, x1) { GLctx["vertexAttrib1f"](x0, x1) }

            function _emscripten_glVertexAttrib1fv(index, v) { GLctx.vertexAttrib1f(index, GROWABLE_HEAP_F32()[v >> 2]) }

            function _emscripten_glVertexAttrib2f(x0, x1, x2) { GLctx["vertexAttrib2f"](x0, x1, x2) }

            function _emscripten_glVertexAttrib2fv(index, v) { GLctx.vertexAttrib2f(index, GROWABLE_HEAP_F32()[v >> 2], GROWABLE_HEAP_F32()[v + 4 >> 2]) }

            function _emscripten_glVertexAttrib3f(x0, x1, x2, x3) { GLctx["vertexAttrib3f"](x0, x1, x2, x3) }

            function _emscripten_glVertexAttrib3fv(index, v) { GLctx.vertexAttrib3f(index, GROWABLE_HEAP_F32()[v >> 2], GROWABLE_HEAP_F32()[v + 4 >> 2], GROWABLE_HEAP_F32()[v + 8 >> 2]) }

            function _emscripten_glVertexAttrib4f(x0, x1, x2, x3, x4) { GLctx["vertexAttrib4f"](x0, x1, x2, x3, x4) }

            function _emscripten_glVertexAttrib4fv(index, v) { GLctx.vertexAttrib4f(index, GROWABLE_HEAP_F32()[v >> 2], GROWABLE_HEAP_F32()[v + 4 >> 2], GROWABLE_HEAP_F32()[v + 8 >> 2], GROWABLE_HEAP_F32()[v + 12 >> 2]) }

            function _emscripten_glVertexAttribDivisor(index, divisor) { GLctx["vertexAttribDivisor"](index, divisor) }

            function _emscripten_glVertexAttribI4i(x0, x1, x2, x3, x4) { GLctx["vertexAttribI4i"](x0, x1, x2, x3, x4) }

            function _emscripten_glVertexAttribI4iv(index, v) { GLctx.vertexAttribI4i(index, GROWABLE_HEAP_I32()[v >> 2], GROWABLE_HEAP_I32()[v + 4 >> 2], GROWABLE_HEAP_I32()[v + 8 >> 2], GROWABLE_HEAP_I32()[v + 12 >> 2]) }

            function _emscripten_glVertexAttribI4ui(x0, x1, x2, x3, x4) { GLctx["vertexAttribI4ui"](x0, x1, x2, x3, x4) }

            function _emscripten_glVertexAttribI4uiv(index, v) { GLctx.vertexAttribI4ui(index, GROWABLE_HEAP_U32()[v >> 2], GROWABLE_HEAP_U32()[v + 4 >> 2], GROWABLE_HEAP_U32()[v + 8 >> 2], GROWABLE_HEAP_U32()[v + 12 >> 2]) }

            function _emscripten_glVertexAttribIPointer(index, size, type, stride, ptr) { GLctx["vertexAttribIPointer"](index, size, type, stride, ptr) }

            function _emscripten_glVertexAttribPointer(index, size, type, normalized, stride, ptr) { GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr) }

            function _emscripten_glViewport(x0, x1, x2, x3) { GLctx["viewport"](x0, x1, x2, x3) }

            function _emscripten_glWaitSync(sync, flags, timeoutLo, timeoutHi) { GLctx.waitSync(GL.syncs[sync], flags, convertI32PairToI53(timeoutLo, timeoutHi)) }

            function _emscripten_memcpy_big(dest, src, num) { GROWABLE_HEAP_U8().copyWithin(dest, src, src + num) }

            function _emscripten_num_logical_cores() { return navigator["hardwareConcurrency"] }

            function _emscripten_proxy_to_main_thread_js(index, sync) {
                var numCallArgs = arguments.length - 2;
                var outerArgs = arguments;
                return withStackSave(function() {
                    var serializedNumCallArgs = numCallArgs;
                    var args = stackAlloc(serializedNumCallArgs * 8);
                    var b = args >> 3;
                    for (var i = 0; i < numCallArgs; i++) {
                        var arg = outerArgs[2 + i];
                        GROWABLE_HEAP_F64()[b + i] = arg
                    }
                    return _emscripten_run_in_main_runtime_thread_js(index, serializedNumCallArgs, args, sync)
                })
            }
            var _emscripten_receive_on_main_thread_js_callArgs = [];

            function _emscripten_receive_on_main_thread_js(index, numCallArgs, args) { _emscripten_receive_on_main_thread_js_callArgs.length = numCallArgs; var b = args >> 3; for (var i = 0; i < numCallArgs; i++) { _emscripten_receive_on_main_thread_js_callArgs[i] = GROWABLE_HEAP_F64()[b + i] } var isEmAsmConst = index < 0; var func = !isEmAsmConst ? proxiedFunctionTable[index] : ASM_CONSTS[-index - 1]; return func.apply(null, _emscripten_receive_on_main_thread_js_callArgs) }

            function emscripten_realloc_buffer(size) {
                try {
                    wasmMemory.grow(size - buffer.byteLength + 65535 >>> 16);
                    updateGlobalBufferAndViews(wasmMemory.buffer);
                    return 1
                } catch (e) {}
            }

            function _emscripten_resize_heap(requestedSize) {
                var oldSize = GROWABLE_HEAP_U8().length;
                requestedSize = requestedSize >>> 0;
                if (requestedSize <= oldSize) { return false }
                var maxHeapSize = _emscripten_get_heap_max();
                if (requestedSize > maxHeapSize) { return false }
                let alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
                for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
                    var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
                    overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
                    var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
                    var replacement = emscripten_realloc_buffer(newSize);
                    if (replacement) { return true }
                }
                return false
            }
            var JSEvents = {
                inEventHandler: 0,
                removeAllEventListeners: function() {
                    for (var i = JSEvents.eventHandlers.length - 1; i >= 0; --i) { JSEvents._removeHandler(i) }
                    JSEvents.eventHandlers = [];
                    JSEvents.deferredCalls = []
                },
                registerRemoveEventListeners: function() {
                    if (!JSEvents.removeEventListenersRegistered) {
                        __ATEXIT__.push(JSEvents.removeAllEventListeners);
                        JSEvents.removeEventListenersRegistered = true
                    }
                },
                deferredCalls: [],
                deferCall: function(targetFunction, precedence, argsList) {
                    function arraysHaveEqualContent(arrA, arrB) { if (arrA.length != arrB.length) return false; for (var i in arrA) { if (arrA[i] != arrB[i]) return false } return true }
                    for (var i in JSEvents.deferredCalls) { var call = JSEvents.deferredCalls[i]; if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) { return } }
                    JSEvents.deferredCalls.push({ targetFunction: targetFunction, precedence: precedence, argsList: argsList });
                    JSEvents.deferredCalls.sort(function(x, y) { return x.precedence < y.precedence })
                },
                removeDeferredCalls: function(targetFunction) { for (var i = 0; i < JSEvents.deferredCalls.length; ++i) { if (JSEvents.deferredCalls[i].targetFunction == targetFunction) { JSEvents.deferredCalls.splice(i, 1);--i } } },
                canPerformEventHandlerRequests: function() { return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls },
                runDeferredCalls: function() {
                    if (!JSEvents.canPerformEventHandlerRequests()) { return }
                    for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
                        var call = JSEvents.deferredCalls[i];
                        JSEvents.deferredCalls.splice(i, 1);
                        --i;
                        call.targetFunction.apply(null, call.argsList)
                    }
                },
                eventHandlers: [],
                removeAllHandlersOnTarget: function(target, eventTypeString) { for (var i = 0; i < JSEvents.eventHandlers.length; ++i) { if (JSEvents.eventHandlers[i].target == target && (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) { JSEvents._removeHandler(i--) } } },
                _removeHandler: function(i) {
                    var h = JSEvents.eventHandlers[i];
                    h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
                    JSEvents.eventHandlers.splice(i, 1)
                },
                registerOrRemoveHandler: function(eventHandler) {
                    var jsEventHandler = function jsEventHandler(event) {
                        ++JSEvents.inEventHandler;
                        JSEvents.currentEventHandler = eventHandler;
                        JSEvents.runDeferredCalls();
                        eventHandler.handlerFunc(event);
                        JSEvents.runDeferredCalls();
                        --JSEvents.inEventHandler
                    };
                    if (eventHandler.callbackfunc) {
                        eventHandler.eventListenerFunc = jsEventHandler;
                        eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
                        JSEvents.eventHandlers.push(eventHandler);
                        JSEvents.registerRemoveEventListeners()
                    } else { for (var i = 0; i < JSEvents.eventHandlers.length; ++i) { if (JSEvents.eventHandlers[i].target == eventHandler.target && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) { JSEvents._removeHandler(i--) } } }
                },
                queueEventHandlerOnThread_iiii: function(targetThread, eventHandlerFunc, eventTypeId, eventData, userData) {
                    withStackSave(function() {
                        var varargs = stackAlloc(12);
                        GROWABLE_HEAP_I32()[varargs >> 2] = eventTypeId;
                        GROWABLE_HEAP_I32()[varargs + 4 >> 2] = eventData;
                        GROWABLE_HEAP_I32()[varargs + 8 >> 2] = userData;
                        _emscripten_dispatch_to_thread_(targetThread, 637534208, eventHandlerFunc, eventData, varargs)
                    })
                },
                getTargetThreadForEventCallback: function(targetThread) {
                    switch (targetThread) {
                        case 1:
                            return 0;
                        case 2:
                            return PThread.currentProxiedOperationCallerThread;
                        default:
                            return targetThread
                    }
                },
                getNodeNameForTarget: function(target) { if (!target) return ""; if (target == window) return "#window"; if (target == screen) return "#screen"; return target && target.nodeName ? target.nodeName : "" },
                fullscreenEnabled: function() { return document.fullscreenEnabled || document.webkitFullscreenEnabled }
            };

            function _emscripten_set_offscreencanvas_size_on_target_thread_js(targetThread, targetCanvas, width, height) {
                withStackSave(function() {
                    var varargs = stackAlloc(12);
                    var targetCanvasPtr = 0;
                    if (targetCanvas) { targetCanvasPtr = stringToNewUTF8(targetCanvas) }
                    GROWABLE_HEAP_I32()[varargs >> 2] = targetCanvasPtr;
                    GROWABLE_HEAP_I32()[varargs + 4 >> 2] = width;
                    GROWABLE_HEAP_I32()[varargs + 8 >> 2] = height;
                    _emscripten_dispatch_to_thread_(targetThread, 657457152, 0, targetCanvasPtr, varargs)
                })
            }

            function _emscripten_set_offscreencanvas_size_on_target_thread(targetThread, targetCanvas, width, height) {
                targetCanvas = targetCanvas ? UTF8ToString(targetCanvas) : "";
                _emscripten_set_offscreencanvas_size_on_target_thread_js(targetThread, targetCanvas, width, height)
            }

            function maybeCStringToJsString(cString) { return cString > 2 ? UTF8ToString(cString) : cString }
            var specialHTMLTargets = [0, typeof document != "undefined" ? document : 0, typeof window != "undefined" ? window : 0];

            function findEventTarget(target) { target = maybeCStringToJsString(target); var domElement = specialHTMLTargets[target] || (typeof document != "undefined" ? document.querySelector(target) : undefined); return domElement }

            function findCanvasEventTarget(target) { return findEventTarget(target) }

            function _emscripten_set_canvas_element_size_calling_thread(target, width, height) {
                var canvas = findCanvasEventTarget(target);
                if (!canvas) return -4;
                if (canvas.canvasSharedPtr) {
                    GROWABLE_HEAP_I32()[canvas.canvasSharedPtr >> 2] = width;
                    GROWABLE_HEAP_I32()[canvas.canvasSharedPtr + 4 >> 2] = height
                }
                if (canvas.offscreenCanvas || !canvas.controlTransferredOffscreen) {
                    if (canvas.offscreenCanvas) canvas = canvas.offscreenCanvas;
                    var autoResizeViewport = false;
                    if (canvas.GLctxObject && canvas.GLctxObject.GLctx) {
                        var prevViewport = canvas.GLctxObject.GLctx.getParameter(2978);
                        autoResizeViewport = prevViewport[0] === 0 && prevViewport[1] === 0 && prevViewport[2] === canvas.width && prevViewport[3] === canvas.height
                    }
                    canvas.width = width;
                    canvas.height = height;
                    if (autoResizeViewport) { canvas.GLctxObject.GLctx.viewport(0, 0, width, height) }
                } else if (canvas.canvasSharedPtr) {
                    var targetThread = GROWABLE_HEAP_I32()[canvas.canvasSharedPtr + 8 >> 2];
                    _emscripten_set_offscreencanvas_size_on_target_thread(targetThread, target, width, height);
                    return 1
                } else { return -4 }
                if (canvas.GLctxObject) GL.resizeOffscreenFramebuffer(canvas.GLctxObject);
                return 0
            }

            function _emscripten_set_canvas_element_size_main_thread(target, width, height) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(34, 1, target, width, height); return _emscripten_set_canvas_element_size_calling_thread(target, width, height) }

            function _emscripten_set_canvas_element_size(target, width, height) { var canvas = findCanvasEventTarget(target); if (canvas) { return _emscripten_set_canvas_element_size_calling_thread(target, width, height) } else { return _emscripten_set_canvas_element_size_main_thread(target, width, height) } }

            function _emscripten_set_main_loop(func, fps, simulateInfiniteLoop) {
                var browserIterationFunc = getWasmTableEntry(func);
                setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop)
            }

            function _emscripten_supports_offscreencanvas() { return 0 }

            function _emscripten_unwind_to_js_event_loop() { throw "unwind" }

            function _emscripten_webgl_destroy_context(contextHandle) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(35, 1, contextHandle);
                if (GL.currentContext == contextHandle) GL.currentContext = 0;
                GL.deleteContext(contextHandle)
            }

            function _emscripten_webgl_do_commit_frame() { if (!GL.currentContext || !GL.currentContext.GLctx) { return -3 } if (GL.currentContext.defaultFbo) { GL.blitOffscreenFramebuffer(GL.currentContext); return 0 } if (!GL.currentContext.attributes.explicitSwapControl) { return -3 } return 0 }
            var __emscripten_webgl_power_preferences = ["default", "low-power", "high-performance"];

            function _emscripten_webgl_do_create_context(target, attributes) {
                var a = attributes >> 2;
                var powerPreference = GROWABLE_HEAP_I32()[a + (24 >> 2)];
                var contextAttributes = { "alpha": !!GROWABLE_HEAP_I32()[a + (0 >> 2)], "depth": !!GROWABLE_HEAP_I32()[a + (4 >> 2)], "stencil": !!GROWABLE_HEAP_I32()[a + (8 >> 2)], "antialias": !!GROWABLE_HEAP_I32()[a + (12 >> 2)], "premultipliedAlpha": !!GROWABLE_HEAP_I32()[a + (16 >> 2)], "preserveDrawingBuffer": !!GROWABLE_HEAP_I32()[a + (20 >> 2)], "powerPreference": __emscripten_webgl_power_preferences[powerPreference], "failIfMajorPerformanceCaveat": !!GROWABLE_HEAP_I32()[a + (28 >> 2)], majorVersion: GROWABLE_HEAP_I32()[a + (32 >> 2)], minorVersion: GROWABLE_HEAP_I32()[a + (36 >> 2)], enableExtensionsByDefault: GROWABLE_HEAP_I32()[a + (40 >> 2)], explicitSwapControl: GROWABLE_HEAP_I32()[a + (44 >> 2)], proxyContextToMainThread: GROWABLE_HEAP_I32()[a + (48 >> 2)], renderViaOffscreenBackBuffer: GROWABLE_HEAP_I32()[a + (52 >> 2)] };
                var canvas = findCanvasEventTarget(target);
                if (ENVIRONMENT_IS_PTHREAD) {
                    if (contextAttributes.proxyContextToMainThread === 2 || !canvas && contextAttributes.proxyContextToMainThread === 1) {
                        if (typeof OffscreenCanvas == "undefined") {
                            GROWABLE_HEAP_I32()[attributes + 52 >> 2] = 1;
                            GROWABLE_HEAP_I32()[attributes + 20 >> 2] = 1
                        }
                        return _emscripten_sync_run_in_main_thread_2(622854144, target, attributes)
                    }
                }
                if (!canvas) { return 0 }
                if (contextAttributes.explicitSwapControl && !contextAttributes.renderViaOffscreenBackBuffer) { contextAttributes.renderViaOffscreenBackBuffer = true }
                var contextHandle = GL.createContext(canvas, contextAttributes);
                return contextHandle
            }

            function _emscripten_webgl_init_context_attributes(attributes) {
                var a = attributes >> 2;
                for (var i = 0; i < 56 >> 2; ++i) { GROWABLE_HEAP_I32()[a + i] = 0 }
                GROWABLE_HEAP_I32()[a + (0 >> 2)] = GROWABLE_HEAP_I32()[a + (4 >> 2)] = GROWABLE_HEAP_I32()[a + (12 >> 2)] = GROWABLE_HEAP_I32()[a + (16 >> 2)] = GROWABLE_HEAP_I32()[a + (32 >> 2)] = GROWABLE_HEAP_I32()[a + (40 >> 2)] = 1;
                if (ENVIRONMENT_IS_WORKER) GROWABLE_HEAP_I32()[attributes + 48 >> 2] = 1
            }

            function _emscripten_webgl_make_context_current_calling_thread(contextHandle) { var success = GL.makeContextCurrent(contextHandle); if (success) GL.currentContextIsProxied = false; return success ? 0 : -5 }
            var ENV = {};

            function getExecutableName() { return thisProgram || "./this.program" }

            function getEnvStrings() {
                if (!getEnvStrings.strings) {
                    var lang = (typeof navigator == "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
                    var env = { "USER": "web_user", "LOGNAME": "web_user", "PATH": "/", "PWD": "/", "HOME": "/home/web_user", "LANG": lang, "_": getExecutableName() };
                    for (var x in ENV) {
                        if (ENV[x] === undefined) delete env[x];
                        else env[x] = ENV[x]
                    }
                    var strings = [];
                    for (var x in env) { strings.push(x + "=" + env[x]) }
                    getEnvStrings.strings = strings
                }
                return getEnvStrings.strings
            }

            function _environ_get(__environ, environ_buf) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(36, 1, __environ, environ_buf);
                var bufSize = 0;
                getEnvStrings().forEach(function(string, i) {
                    var ptr = environ_buf + bufSize;
                    GROWABLE_HEAP_I32()[__environ + i * 4 >> 2] = ptr;
                    writeAsciiToMemory(string, ptr);
                    bufSize += string.length + 1
                });
                return 0
            }

            function _environ_sizes_get(penviron_count, penviron_buf_size) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(37, 1, penviron_count, penviron_buf_size);
                var strings = getEnvStrings();
                GROWABLE_HEAP_I32()[penviron_count >> 2] = strings.length;
                var bufSize = 0;
                strings.forEach(function(string) { bufSize += string.length + 1 });
                GROWABLE_HEAP_I32()[penviron_buf_size >> 2] = bufSize;
                return 0
            }

            function _fd_close(fd) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(38, 1, fd);
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    FS.close(stream);
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return e.errno }
            }

            function _fd_fdstat_get(fd, pbuf) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(39, 1, fd, pbuf);
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4;
                    GROWABLE_HEAP_I8()[pbuf >> 0] = type;
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return e.errno }
            }

            function _fd_read(fd, iov, iovcnt, pnum) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(40, 1, fd, iov, iovcnt, pnum);
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    var num = SYSCALLS.doReadv(stream, iov, iovcnt);
                    GROWABLE_HEAP_I32()[pnum >> 2] = num;
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return e.errno }
            }

            function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(41, 1, fd, offset_low, offset_high, whence, newOffset);
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    var HIGH_OFFSET = 4294967296;
                    var offset = offset_high * HIGH_OFFSET + (offset_low >>> 0);
                    var DOUBLE_LIMIT = 9007199254740992;
                    if (offset <= -DOUBLE_LIMIT || offset >= DOUBLE_LIMIT) { return -61 }
                    FS.llseek(stream, offset, whence);
                    tempI64 = [stream.position >>> 0, (tempDouble = stream.position, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], GROWABLE_HEAP_I32()[newOffset >> 2] = tempI64[0], GROWABLE_HEAP_I32()[newOffset + 4 >> 2] = tempI64[1];
                    if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return e.errno }
            }

            function _fd_write(fd, iov, iovcnt, pnum) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(42, 1, fd, iov, iovcnt, pnum);
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    var num = SYSCALLS.doWritev(stream, iov, iovcnt);
                    GROWABLE_HEAP_I32()[pnum >> 2] = num;
                    return 0
                } catch (e) { if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e; return e.errno }
            }

            function _getTempRet0() { return getTempRet0() }

            function _getaddrinfo(node, service, hint, out) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(43, 1, node, service, hint, out);
                var addr = 0;
                var port = 0;
                var flags = 0;
                var family = 0;
                var type = 0;
                var proto = 0;
                var ai;

                function allocaddrinfo(family, type, proto, canon, addr, port) {
                    var sa, salen, ai;
                    var errno;
                    salen = family === 10 ? 28 : 16;
                    addr = family === 10 ? inetNtop6(addr) : inetNtop4(addr);
                    sa = _malloc(salen);
                    errno = writeSockaddr(sa, family, addr, port);
                    assert(!errno);
                    ai = _malloc(32);
                    GROWABLE_HEAP_I32()[ai + 4 >> 2] = family;
                    GROWABLE_HEAP_I32()[ai + 8 >> 2] = type;
                    GROWABLE_HEAP_I32()[ai + 12 >> 2] = proto;
                    GROWABLE_HEAP_I32()[ai + 24 >> 2] = canon;
                    GROWABLE_HEAP_I32()[ai + 20 >> 2] = sa;
                    if (family === 10) { GROWABLE_HEAP_I32()[ai + 16 >> 2] = 28 } else { GROWABLE_HEAP_I32()[ai + 16 >> 2] = 16 }
                    GROWABLE_HEAP_I32()[ai + 28 >> 2] = 0;
                    return ai
                }
                if (hint) {
                    flags = GROWABLE_HEAP_I32()[hint >> 2];
                    family = GROWABLE_HEAP_I32()[hint + 4 >> 2];
                    type = GROWABLE_HEAP_I32()[hint + 8 >> 2];
                    proto = GROWABLE_HEAP_I32()[hint + 12 >> 2]
                }
                if (type && !proto) { proto = type === 2 ? 17 : 6 }
                if (!type && proto) { type = proto === 17 ? 2 : 1 }
                if (proto === 0) { proto = 6 }
                if (type === 0) { type = 1 }
                if (!node && !service) { return -2 }
                if (flags & ~(1 | 2 | 4 | 1024 | 8 | 16 | 32)) { return -1 }
                if (hint !== 0 && GROWABLE_HEAP_I32()[hint >> 2] & 2 && !node) { return -1 }
                if (flags & 32) { return -2 }
                if (type !== 0 && type !== 1 && type !== 2) { return -7 }
                if (family !== 0 && family !== 2 && family !== 10) { return -6 }
                if (service) {
                    service = UTF8ToString(service);
                    port = parseInt(service, 10);
                    if (isNaN(port)) { if (flags & 1024) { return -2 } return -8 }
                }
                if (!node) {
                    if (family === 0) { family = 2 }
                    if ((flags & 1) === 0) { if (family === 2) { addr = _htonl(2130706433) } else { addr = [0, 0, 0, 1] } }
                    ai = allocaddrinfo(family, type, proto, null, addr, port);
                    GROWABLE_HEAP_I32()[out >> 2] = ai;
                    return 0
                }
                node = UTF8ToString(node);
                addr = inetPton4(node);
                if (addr !== null) {
                    if (family === 0 || family === 2) { family = 2 } else if (family === 10 && flags & 8) {
                        addr = [0, 0, _htonl(65535), addr];
                        family = 10
                    } else { return -2 }
                } else { addr = inetPton6(node); if (addr !== null) { if (family === 0 || family === 10) { family = 10 } else { return -2 } } }
                if (addr != null) {
                    ai = allocaddrinfo(family, type, proto, node, addr, port);
                    GROWABLE_HEAP_I32()[out >> 2] = ai;
                    return 0
                }
                if (flags & 4) { return -2 }
                node = DNS.lookup_name(node);
                addr = inetPton4(node);
                if (family === 0) { family = 2 } else if (family === 10) { addr = [0, 0, _htonl(65535), addr] }
                ai = allocaddrinfo(family, type, proto, null, addr, port);
                GROWABLE_HEAP_I32()[out >> 2] = ai;
                return 0
            }

            function _getnameinfo(sa, salen, node, nodelen, serv, servlen, flags) { var info = readSockaddr(sa, salen); if (info.errno) { return -6 } var port = info.port; var addr = info.addr; var overflowed = false; if (node && nodelen) { var lookup; if (flags & 1 || !(lookup = DNS.lookup_addr(addr))) { if (flags & 8) { return -2 } } else { addr = lookup } var numBytesWrittenExclNull = stringToUTF8(addr, node, nodelen); if (numBytesWrittenExclNull + 1 >= nodelen) { overflowed = true } } if (serv && servlen) { port = "" + port; var numBytesWrittenExclNull = stringToUTF8(port, serv, servlen); if (numBytesWrittenExclNull + 1 >= servlen) { overflowed = true } } if (overflowed) { return -12 } return 0 }

            function _gettimeofday(ptr) {
                var now = Date.now();
                GROWABLE_HEAP_I32()[ptr >> 2] = now / 1e3 | 0;
                GROWABLE_HEAP_I32()[ptr + 4 >> 2] = now % 1e3 * 1e3 | 0;
                return 0
            }
            var GodotRuntime = {
                get_func: function(ptr) { return wasmTable.get(ptr) },
                error: function() { err.apply(null, Array.from(arguments)) },
                print: function() { out.apply(null, Array.from(arguments)) },
                malloc: function(p_size) { return _malloc(p_size) },
                free: function(p_ptr) { _free(p_ptr) },
                getHeapValue: function(p_ptr, p_type) { return getValue(p_ptr, p_type) },
                setHeapValue: function(p_ptr, p_value, p_type) { setValue(p_ptr, p_value, p_type) },
                heapSub: function(p_heap, p_ptr, p_len) { const bytes = p_heap.BYTES_PER_ELEMENT; return p_heap.subarray(p_ptr / bytes, p_ptr / bytes + p_len) },
                heapSlice: function(p_heap, p_ptr, p_len) { const bytes = p_heap.BYTES_PER_ELEMENT; return p_heap.slice(p_ptr / bytes, p_ptr / bytes + p_len) },
                heapCopy: function(p_dst, p_src, p_ptr) { const bytes = p_src.BYTES_PER_ELEMENT; return p_dst.set(p_src, p_ptr / bytes) },
                parseString: function(p_ptr) { return UTF8ToString(p_ptr) },
                parseStringArray: function(p_ptr, p_size) {
                    const strings = [];
                    const ptrs = GodotRuntime.heapSub(GROWABLE_HEAP_I32(), p_ptr, p_size);
                    ptrs.forEach(function(ptr) { strings.push(GodotRuntime.parseString(ptr)) });
                    return strings
                },
                strlen: function(p_str) { return lengthBytesUTF8(p_str) },
                allocString: function(p_str) {
                    const length = GodotRuntime.strlen(p_str) + 1;
                    const c_str = GodotRuntime.malloc(length);
                    stringToUTF8(p_str, c_str, length);
                    return c_str
                },
                allocStringArray: function(p_strings) { const size = p_strings.length; const c_ptr = GodotRuntime.malloc(size * 4); for (let i = 0; i < size; i++) { GROWABLE_HEAP_I32()[(c_ptr >> 2) + i] = GodotRuntime.allocString(p_strings[i]) } return c_ptr },
                freeStringArray: function(p_ptr, p_len) {
                    for (let i = 0; i < p_len; i++) { GodotRuntime.free(GROWABLE_HEAP_I32()[(p_ptr >> 2) + i]) }
                    GodotRuntime.free(p_ptr)
                },
                stringToHeap: function(p_str, p_ptr, p_len) { return stringToUTF8Array(p_str, GROWABLE_HEAP_I8(), p_ptr, p_len) }
            };
            var GodotConfig = {
                canvas: null,
                locale: "en",
                canvas_resize_policy: 2,
                virtual_keyboard: false,
                persistent_drops: false,
                on_execute: null,
                on_exit: null,
                init_config: function(p_opts) {
                    GodotConfig.canvas_resize_policy = p_opts["canvasResizePolicy"];
                    GodotConfig.canvas = p_opts["canvas"];
                    GodotConfig.locale = p_opts["locale"] || GodotConfig.locale;
                    GodotConfig.virtual_keyboard = p_opts["virtualKeyboard"];
                    GodotConfig.persistent_drops = !!p_opts["persistentDrops"];
                    GodotConfig.on_execute = p_opts["onExecute"];
                    GodotConfig.on_exit = p_opts["onExit"];
                    if (p_opts["focusCanvas"]) { GodotConfig.canvas.focus() }
                },
                locate_file: function(file) { return Module["locateFile"](file) },
                clear: function() {
                    GodotConfig.canvas = null;
                    GodotConfig.locale = "en";
                    GodotConfig.canvas_resize_policy = 2;
                    GodotConfig.virtual_keyboard = false;
                    GodotConfig.persistent_drops = false;
                    GodotConfig.on_execute = null;
                    GodotConfig.on_exit = null
                }
            };
            var ERRNO_CODES = {};
            var GodotFS = {
                _idbfs: false,
                _syncing: false,
                _mount_points: [],
                is_persistent: function() { return GodotFS._idbfs ? 1 : 0 },
                init: function(persistentPaths) {
                    GodotFS._idbfs = false;
                    if (!Array.isArray(persistentPaths)) { return Promise.reject(new Error("Persistent paths must be an array")) }
                    if (!persistentPaths.length) { return Promise.resolve() }
                    GodotFS._mount_points = persistentPaths.slice();

                    function createRecursive(dir) {
                        try { FS.stat(dir) } catch (e) {
                            if (e.errno !== ERRNO_CODES.ENOENT) { throw e }
                            FS.mkdirTree(dir)
                        }
                    }
                    GodotFS._mount_points.forEach(function(path) {
                        createRecursive(path);
                        FS.mount(IDBFS, {}, path)
                    });
                    return new Promise(function(resolve, reject) {
                        FS.syncfs(true, function(err) {
                            if (err) {
                                GodotFS._mount_points = [];
                                GodotFS._idbfs = false;
                                GodotRuntime.print(`IndexedDB not available: ${err.message}`)
                            } else { GodotFS._idbfs = true }
                            resolve(err)
                        })
                    })
                },
                deinit: function() {
                    GodotFS._mount_points.forEach(function(path) {
                        try { FS.unmount(path) } catch (e) { GodotRuntime.print("Already unmounted", e) }
                        if (GodotFS._idbfs && IDBFS.dbs[path]) {
                            IDBFS.dbs[path].close();
                            delete IDBFS.dbs[path]
                        }
                    });
                    GodotFS._mount_points = [];
                    GodotFS._idbfs = false;
                    GodotFS._syncing = false
                },
                sync: function() {
                    if (GodotFS._syncing) { GodotRuntime.error("Already syncing!"); return Promise.resolve() }
                    GodotFS._syncing = true;
                    return new Promise(function(resolve, reject) {
                        FS.syncfs(false, function(error) {
                            if (error) { GodotRuntime.error(`Failed to save IDB file system: ${error.message}`) }
                            GodotFS._syncing = false;
                            resolve(error)
                        })
                    })
                },
                copy_to_fs: function(path, buffer) {
                    const idx = path.lastIndexOf("/");
                    let dir = "/";
                    if (idx > 0) { dir = path.slice(0, idx) }
                    try { FS.stat(dir) } catch (e) {
                        if (e.errno !== ERRNO_CODES.ENOENT) { throw e }
                        FS.mkdirTree(dir)
                    }
                    FS.writeFile(path, new Uint8Array(buffer))
                }
            };
            var GodotOS = {
                request_quit: function() {},
                _async_cbs: [],
                _fs_sync_promise: null,
                atexit: function(p_promise_cb) { GodotOS._async_cbs.push(p_promise_cb) },
                cleanup: function(exit_code) {
                    const cb = GodotConfig.on_exit;
                    GodotFS.deinit();
                    GodotConfig.clear();
                    if (cb) { cb(exit_code) }
                },
                finish_async: function(callback) {
                    GodotOS._fs_sync_promise.then(function(err) {
                        const promises = [];
                        GodotOS._async_cbs.forEach(function(cb) { promises.push(new Promise(cb)) });
                        return Promise.all(promises)
                    }).then(function() { return GodotFS.sync() }).then(function(err) { setTimeout(function() { callback() }, 0) })
                }
            };
            var GodotAudio = {
                ctx: null,
                input: null,
                driver: null,
                interval: 0,
                init: function(mix_rate, latency, onstatechange, onlatencyupdate) {
                    const opts = {};
                    if (mix_rate) { opts["sampleRate"] = mix_rate }
                    const ctx = new(window.AudioContext || window.webkitAudioContext)(opts);
                    GodotAudio.ctx = ctx;
                    ctx.onstatechange = function() {
                        let state = 0;
                        switch (ctx.state) {
                            case "suspended":
                                state = 0;
                                break;
                            case "running":
                                state = 1;
                                break;
                            case "closed":
                                state = 2;
                                break
                        }
                        onstatechange(state)
                    };
                    ctx.onstatechange();
                    GodotAudio.interval = setInterval(function() {
                        let computed_latency = 0;
                        if (ctx.baseLatency) { computed_latency += GodotAudio.ctx.baseLatency }
                        if (ctx.outputLatency) { computed_latency += GodotAudio.ctx.outputLatency }
                        onlatencyupdate(computed_latency)
                    }, 1e3);
                    GodotOS.atexit(GodotAudio.close_async);
                    return ctx.destination.channelCount
                },
                create_input: function(callback) {
                    if (GodotAudio.input) { return 0 }

                    function gotMediaInput(stream) {
                        try {
                            GodotAudio.input = GodotAudio.ctx.createMediaStreamSource(stream);
                            callback(GodotAudio.input)
                        } catch (e) { GodotRuntime.error("Failed creaating input.", e) }
                    }
                    if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) { navigator.mediaDevices.getUserMedia({ "audio": true }).then(gotMediaInput, function(e) { GodotRuntime.error("Error getting user media.", e) }) } else {
                        if (!navigator.getUserMedia) { navigator.getUserMedia = navigator.webkitGetUserMedia || navigator.mozGetUserMedia }
                        if (!navigator.getUserMedia) { GodotRuntime.error("getUserMedia not available."); return 1 }
                        navigator.getUserMedia({ "audio": true }, gotMediaInput, function(e) { GodotRuntime.print(e) })
                    }
                    return 0
                },
                close_async: function(resolve, reject) {
                    const ctx = GodotAudio.ctx;
                    GodotAudio.ctx = null;
                    if (!ctx) { resolve(); return }
                    if (GodotAudio.interval) {
                        clearInterval(GodotAudio.interval);
                        GodotAudio.interval = 0
                    }
                    if (GodotAudio.input) {
                        GodotAudio.input.disconnect();
                        GodotAudio.input = null
                    }
                    let closed = Promise.resolve();
                    if (GodotAudio.driver) { closed = GodotAudio.driver.close() }
                    closed.then(function() { return ctx.close() }).then(function() {
                        ctx.onstatechange = null;
                        resolve()
                    }).catch(function(e) {
                        ctx.onstatechange = null;
                        GodotRuntime.error("Error closing AudioContext", e);
                        resolve()
                    })
                }
            };

            function _godot_audio_capture_start() { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(44, 1); return GodotAudio.create_input(function(input) { input.connect(GodotAudio.driver.get_node()) }) }

            function _godot_audio_capture_stop() {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(45, 1);
                if (GodotAudio.input) {
                    const tracks = GodotAudio.input["mediaStream"]["getTracks"]();
                    for (let i = 0; i < tracks.length; i++) { tracks[i]["stop"]() }
                    GodotAudio.input.disconnect();
                    GodotAudio.input = null
                }
            }

            function _godot_audio_has_worklet() { return GodotAudio.ctx && GodotAudio.ctx.audioWorklet ? 1 : 0 }

            function _godot_audio_init(p_mix_rate, p_latency, p_state_change, p_latency_update) {
                const statechange = GodotRuntime.get_func(p_state_change);
                const latencyupdate = GodotRuntime.get_func(p_latency_update);
                const mix_rate = GodotRuntime.getHeapValue(p_mix_rate, "i32");
                const channels = GodotAudio.init(mix_rate, p_latency, statechange, latencyupdate);
                GodotRuntime.setHeapValue(p_mix_rate, GodotAudio.ctx.sampleRate, "i32");
                return channels
            }

            function _godot_audio_is_available() { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(46, 1); if (!(window.AudioContext || window.webkitAudioContext)) { return 0 } return 1 }

            function _godot_audio_resume() { if (GodotAudio.ctx && GodotAudio.ctx.state !== "running") { GodotAudio.ctx.resume() } }
            var GodotAudioWorklet = {
                promise: null,
                worklet: null,
                ring_buffer: null,
                create: function(channels) {
                    const path = GodotConfig.locate_file("godot.audio.worklet.js");
                    GodotAudioWorklet.promise = GodotAudio.ctx.audioWorklet.addModule(path).then(function() { GodotAudioWorklet.worklet = new AudioWorkletNode(GodotAudio.ctx, "godot-processor", { "outputChannelCount": [channels] }); return Promise.resolve() });
                    GodotAudio.driver = GodotAudioWorklet
                },
                start: function(in_buf, out_buf, state) {
                    GodotAudioWorklet.promise.then(function() {
                        const node = GodotAudioWorklet.worklet;
                        node.connect(GodotAudio.ctx.destination);
                        node.port.postMessage({ "cmd": "start", "data": [state, in_buf, out_buf] });
                        node.port.onmessage = function(event) { GodotRuntime.error(event.data) }
                    })
                },
                start_no_threads: function(p_out_buf, p_out_size, out_callback, p_in_buf, p_in_size, in_callback) {
                    function RingBuffer() {
                        let wpos = 0;
                        let rpos = 0;
                        let pending_samples = 0;
                        const wbuf = new Float32Array(p_out_size);

                        function send(port) {
                            if (pending_samples === 0) { return }
                            const buffer = GodotRuntime.heapSub(GROWABLE_HEAP_F32(), p_out_buf, p_out_size);
                            const size = buffer.length;
                            const tot_sent = pending_samples;
                            out_callback(wpos, pending_samples);
                            if (wpos + pending_samples >= size) {
                                const high = size - wpos;
                                wbuf.set(buffer.subarray(wpos, size));
                                pending_samples -= high;
                                wpos = 0
                            }
                            if (pending_samples > 0) { wbuf.set(buffer.subarray(wpos, wpos + pending_samples), tot_sent - pending_samples) }
                            port.postMessage({ "cmd": "chunk", "data": wbuf.subarray(0, tot_sent) });
                            wpos += pending_samples;
                            pending_samples = 0
                        }
                        this.receive = function(recv_buf) {
                            const buffer = GodotRuntime.heapSub(GROWABLE_HEAP_F32(), p_in_buf, p_in_size);
                            const from = rpos;
                            let to_write = recv_buf.length;
                            let high = 0;
                            if (rpos + to_write >= p_in_size) {
                                high = p_in_size - rpos;
                                buffer.set(recv_buf.subarray(0, high), rpos);
                                to_write -= high;
                                rpos = 0
                            }
                            if (to_write) { buffer.set(recv_buf.subarray(high, to_write), rpos) }
                            in_callback(from, recv_buf.length);
                            rpos += to_write
                        };
                        this.consumed = function(size, port) {
                            pending_samples += size;
                            send(port)
                        }
                    }
                    GodotAudioWorklet.ring_buffer = new RingBuffer;
                    GodotAudioWorklet.promise.then(function() {
                        const node = GodotAudioWorklet.worklet;
                        const buffer = GodotRuntime.heapSlice(GROWABLE_HEAP_F32(), p_out_buf, p_out_size);
                        node.connect(GodotAudio.ctx.destination);
                        node.port.postMessage({ "cmd": "start_nothreads", "data": [buffer, p_in_size] });
                        node.port.onmessage = function(event) {
                            if (!GodotAudioWorklet.worklet) { return }
                            if (event.data["cmd"] === "read") {
                                const read = event.data["data"];
                                GodotAudioWorklet.ring_buffer.consumed(read, GodotAudioWorklet.worklet.port)
                            } else if (event.data["cmd"] === "input") {
                                const buf = event.data["data"];
                                if (buf.length > p_in_size) { GodotRuntime.error("Input chunk is too big"); return }
                                GodotAudioWorklet.ring_buffer.receive(buf)
                            } else { GodotRuntime.error(event.data) }
                        }
                    })
                },
                get_node: function() { return GodotAudioWorklet.worklet },
                close: function() {
                    return new Promise(function(resolve, reject) {
                        if (GodotAudioWorklet.promise === null) { return }
                        GodotAudioWorklet.promise.then(function() {
                            GodotAudioWorklet.worklet.port.postMessage({ "cmd": "stop", "data": null });
                            GodotAudioWorklet.worklet.disconnect();
                            GodotAudioWorklet.worklet = null;
                            GodotAudioWorklet.promise = null;
                            resolve()
                        }).catch(function(err) {})
                    })
                }
            };

            function _godot_audio_worklet_create(channels) { try { GodotAudioWorklet.create(channels) } catch (e) { GodotRuntime.error("Error starting AudioDriverWorklet", e); return 1 } return 0 }

            function _godot_audio_worklet_start(p_in_buf, p_in_size, p_out_buf, p_out_size, p_state) {
                const out_buffer = GodotRuntime.heapSub(GROWABLE_HEAP_F32(), p_out_buf, p_out_size);
                const in_buffer = GodotRuntime.heapSub(GROWABLE_HEAP_F32(), p_in_buf, p_in_size);
                const state = GodotRuntime.heapSub(GROWABLE_HEAP_I32(), p_state, 4);
                GodotAudioWorklet.start(in_buffer, out_buffer, state)
            }

            function _godot_audio_worklet_state_add(p_state, p_idx, p_value) { return Atomics.add(GROWABLE_HEAP_I32(), (p_state >> 2) + p_idx, p_value) }

            function _godot_audio_worklet_state_get(p_state, p_idx) { return Atomics.load(GROWABLE_HEAP_I32(), (p_state >> 2) + p_idx) }

            function _godot_audio_worklet_state_wait(p_state, p_idx, p_expected, p_timeout) { Atomics.wait(GROWABLE_HEAP_I32(), (p_state >> 2) + p_idx, p_expected, p_timeout); return Atomics.load(GROWABLE_HEAP_I32(), (p_state >> 2) + p_idx) }

            function _godot_js_config_canvas_id_get(p_ptr, p_ptr_max) { GodotRuntime.stringToHeap(`#${GodotConfig.canvas.id}`, p_ptr, p_ptr_max) }

            function _godot_js_config_locale_get(p_ptr, p_ptr_max) { GodotRuntime.stringToHeap(GodotConfig.locale, p_ptr, p_ptr_max) }
            var GodotDisplayCursor = {
                shape: "auto",
                visible: true,
                cursors: {},
                set_style: function(style) { GodotConfig.canvas.style.cursor = style },
                set_shape: function(shape) {
                    GodotDisplayCursor.shape = shape;
                    let css = shape;
                    if (shape in GodotDisplayCursor.cursors) {
                        const c = GodotDisplayCursor.cursors[shape];
                        css = `url("${c.url}") ${c.x} ${c.y}, auto`
                    }
                    if (GodotDisplayCursor.visible) { GodotDisplayCursor.set_style(css) }
                },
                clear: function() {
                    GodotDisplayCursor.set_style("");
                    GodotDisplayCursor.shape = "auto";
                    GodotDisplayCursor.visible = true;
                    Object.keys(GodotDisplayCursor.cursors).forEach(function(key) {
                        URL.revokeObjectURL(GodotDisplayCursor.cursors[key]);
                        delete GodotDisplayCursor.cursors[key]
                    })
                },
                lockPointer: function() { const canvas = GodotConfig.canvas; if (canvas.requestPointerLock) { canvas.requestPointerLock() } },
                releasePointer: function() { if (document.exitPointerLock) { document.exitPointerLock() } },
                isPointerLocked: function() { return document.pointerLockElement === GodotConfig.canvas }
            };
            var GodotEventListeners = {
                handlers: [],
                has: function(target, event, method, capture) { return GodotEventListeners.handlers.findIndex(function(e) { return e.target === target && e.event === event && e.method === method && e.capture === capture }) !== -1 },
                add: function(target, event, method, capture) {
                    if (GodotEventListeners.has(target, event, method, capture)) { return }

                    function Handler(p_target, p_event, p_method, p_capture) {
                        this.target = p_target;
                        this.event = p_event;
                        this.method = p_method;
                        this.capture = p_capture
                    }
                    GodotEventListeners.handlers.push(new Handler(target, event, method, capture));
                    target.addEventListener(event, method, capture)
                },
                clear: function() {
                    GodotEventListeners.handlers.forEach(function(h) { h.target.removeEventListener(h.event, h.method, h.capture) });
                    GodotEventListeners.handlers.length = 0
                }
            };
            var GodotDisplayScreen = {
                desired_size: [0, 0],
                hidpi: true,
                getPixelRatio: function() { return GodotDisplayScreen.hidpi ? window.devicePixelRatio || 1 : 1 },
                isFullscreen: function() { const elem = document.fullscreenElement || document.mozFullscreenElement || document.webkitFullscreenElement || document.msFullscreenElement; if (elem) { return elem === GodotConfig.canvas } return document.fullscreen || document.mozFullScreen || document.webkitIsFullscreen },
                hasFullscreen: function() { return document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled },
                requestFullscreen: function() { if (!GodotDisplayScreen.hasFullscreen()) { return 1 } const canvas = GodotConfig.canvas; try { const promise = (canvas.requestFullscreen || canvas.msRequestFullscreen || canvas.mozRequestFullScreen || canvas.mozRequestFullscreen || canvas.webkitRequestFullscreen).call(canvas); if (promise) { promise.catch(function() {}) } } catch (e) { return 1 } return 0 },
                exitFullscreen: function() { if (!GodotDisplayScreen.isFullscreen()) { return 0 } try { const promise = document.exitFullscreen(); if (promise) { promise.catch(function() {}) } } catch (e) { return 1 } return 0 },
                _updateGL: function() { const gl_context_handle = _emscripten_webgl_get_current_context(); const gl = GL.getContext(gl_context_handle); if (gl) { GL.resizeOffscreenFramebuffer(gl) } },
                updateSize: function() {
                    const isFullscreen = GodotDisplayScreen.isFullscreen();
                    const wantsFullWindow = GodotConfig.canvas_resize_policy === 2;
                    const noResize = GodotConfig.canvas_resize_policy === 0;
                    const wwidth = GodotDisplayScreen.desired_size[0];
                    const wheight = GodotDisplayScreen.desired_size[1];
                    const canvas = GodotConfig.canvas;
                    let width = wwidth;
                    let height = wheight;
                    if (noResize) {
                        if (canvas.width !== width || canvas.height !== height) {
                            GodotDisplayScreen.desired_size = [canvas.width, canvas.height];
                            GodotDisplayScreen._updateGL();
                            return 1
                        }
                        return 0
                    }
                    const scale = GodotDisplayScreen.getPixelRatio();
                    if (isFullscreen || wantsFullWindow) {
                        width = window.innerWidth * scale;
                        height = window.innerHeight * scale
                    }
                    const csw = `${width/scale}px`;
                    const csh = `${height/scale}px`;
                    if (canvas.style.width !== csw || canvas.style.height !== csh || canvas.width !== width || canvas.height !== height) {
                        canvas.width = width;
                        canvas.height = height;
                        canvas.style.width = csw;
                        canvas.style.height = csh;
                        GodotDisplayScreen._updateGL();
                        return 1
                    }
                    return 0
                }
            };
            var GodotDisplayVK = {
                textinput: null,
                textarea: null,
                available: function() { return GodotConfig.virtual_keyboard && "ontouchstart" in window },
                init: function(input_cb) {
                    function create(what) {
                        const elem = document.createElement(what);
                        elem.style.display = "none";
                        elem.style.position = "absolute";
                        elem.style.zIndex = "-1";
                        elem.style.background = "transparent";
                        elem.style.padding = "0px";
                        elem.style.margin = "0px";
                        elem.style.overflow = "hidden";
                        elem.style.width = "0px";
                        elem.style.height = "0px";
                        elem.style.border = "0px";
                        elem.style.outline = "none";
                        elem.readonly = true;
                        elem.disabled = true;
                        GodotEventListeners.add(elem, "input", function(evt) {
                            const c_str = GodotRuntime.allocString(elem.value);
                            input_cb(c_str, elem.selectionEnd);
                            GodotRuntime.free(c_str)
                        }, false);
                        GodotEventListeners.add(elem, "blur", function(evt) {
                            elem.style.display = "none";
                            elem.readonly = true;
                            elem.disabled = true
                        }, false);
                        GodotConfig.canvas.insertAdjacentElement("beforebegin", elem);
                        return elem
                    }
                    GodotDisplayVK.textinput = create("input");
                    GodotDisplayVK.textarea = create("textarea");
                    GodotDisplayVK.updateSize()
                },
                show: function(text, multiline, start, end) {
                    if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) { return }
                    if (GodotDisplayVK.textinput.style.display !== "" || GodotDisplayVK.textarea.style.display !== "") { GodotDisplayVK.hide() }
                    GodotDisplayVK.updateSize();
                    const elem = multiline ? GodotDisplayVK.textarea : GodotDisplayVK.textinput;
                    elem.readonly = false;
                    elem.disabled = false;
                    elem.value = text;
                    elem.style.display = "block";
                    elem.focus();
                    elem.setSelectionRange(start, end)
                },
                hide: function() {
                    if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) { return }[GodotDisplayVK.textinput, GodotDisplayVK.textarea].forEach(function(elem) {
                        elem.blur();
                        elem.style.display = "none";
                        elem.value = ""
                    })
                },
                updateSize: function() {
                    if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) { return }
                    const rect = GodotConfig.canvas.getBoundingClientRect();

                    function update(elem) {
                        elem.style.left = `${rect.left}px`;
                        elem.style.top = `${rect.top}px`;
                        elem.style.width = `${rect.width}px`;
                        elem.style.height = `${rect.height}px`
                    }
                    update(GodotDisplayVK.textinput);
                    update(GodotDisplayVK.textarea)
                },
                clear: function() {
                    if (GodotDisplayVK.textinput) {
                        GodotDisplayVK.textinput.remove();
                        GodotDisplayVK.textinput = null
                    }
                    if (GodotDisplayVK.textarea) {
                        GodotDisplayVK.textarea.remove();
                        GodotDisplayVK.textarea = null
                    }
                }
            };
            var GodotDisplay = {
                window_icon: "",
                findDPI: function() {
                    function testDPI(dpi) { return window.matchMedia(`(max-resolution: ${dpi}dpi)`).matches }

                    function bisect(low, high, func) { const mid = parseInt((high - low) / 2 + low, 10); if (high - low <= 1) { return func(high) ? high : low } if (func(mid)) { return bisect(low, mid, func) } return bisect(mid, high, func) }
                    try { const dpi = bisect(0, 800, testDPI); return dpi >= 96 ? dpi : 96 } catch (e) { return 96 }
                }
            };

            function _godot_js_display_alert(p_text) { window.alert(GodotRuntime.parseString(p_text)) }

            function _godot_js_display_canvas_focus() { GodotConfig.canvas.focus() }

            function _godot_js_display_canvas_is_focused() { return document.activeElement === GodotConfig.canvas }

            function _godot_js_display_clipboard_get(callback) {
                const func = GodotRuntime.get_func(callback);
                try {
                    navigator.clipboard.readText().then(function(result) {
                        const ptr = GodotRuntime.allocString(result);
                        func(ptr);
                        GodotRuntime.free(ptr)
                    }).catch(function(e) {})
                } catch (e) {}
            }

            function _godot_js_display_clipboard_set(p_text) {
                const text = GodotRuntime.parseString(p_text);
                if (!navigator.clipboard || !navigator.clipboard.writeText) { return 1 }
                navigator.clipboard.writeText(text).catch(function(e) { GodotRuntime.error("Setting OS clipboard is only possible from an input callback for the HTML5 plafrom. Exception:", e) });
                return 0
            }

            function _godot_js_display_cursor_is_hidden() { return !GodotDisplayCursor.visible }

            function _godot_js_display_cursor_is_locked() { return GodotDisplayCursor.isPointerLocked() ? 1 : 0 }

            function _godot_js_display_cursor_lock_set(p_lock) { if (p_lock) { GodotDisplayCursor.lockPointer() } else { GodotDisplayCursor.releasePointer() } }

            function _godot_js_display_cursor_set_custom_shape(p_shape, p_ptr, p_len, p_hotspot_x, p_hotspot_y) {
                const shape = GodotRuntime.parseString(p_shape);
                const old_shape = GodotDisplayCursor.cursors[shape];
                if (p_len > 0) {
                    const png = new Blob([GodotRuntime.heapSlice(GROWABLE_HEAP_U8(), p_ptr, p_len)], { type: "image/png" });
                    const url = URL.createObjectURL(png);
                    GodotDisplayCursor.cursors[shape] = { url: url, x: p_hotspot_x, y: p_hotspot_y }
                } else { delete GodotDisplayCursor.cursors[shape] }
                if (shape === GodotDisplayCursor.shape) { GodotDisplayCursor.set_shape(GodotDisplayCursor.shape) }
                if (old_shape) { URL.revokeObjectURL(old_shape.url) }
            }

            function _godot_js_display_cursor_set_shape(p_string) { GodotDisplayCursor.set_shape(GodotRuntime.parseString(p_string)) }

            function _godot_js_display_cursor_set_visible(p_visible) {
                const visible = p_visible !== 0;
                if (visible === GodotDisplayCursor.visible) { return }
                GodotDisplayCursor.visible = visible;
                if (visible) { GodotDisplayCursor.set_shape(GodotDisplayCursor.shape) } else { GodotDisplayCursor.set_style("none") }
            }

            function _godot_js_display_desired_size_set(width, height) {
                GodotDisplayScreen.desired_size = [width, height];
                GodotDisplayScreen.updateSize()
            }

            function _godot_js_display_fullscreen_cb(callback) {
                const canvas = GodotConfig.canvas;
                const func = GodotRuntime.get_func(callback);

                function change_cb(evt) { if (evt.target === canvas) { func(GodotDisplayScreen.isFullscreen()) } }
                GodotEventListeners.add(document, "fullscreenchange", change_cb, false);
                GodotEventListeners.add(document, "mozfullscreenchange", change_cb, false);
                GodotEventListeners.add(document, "webkitfullscreenchange", change_cb, false)
            }

            function _godot_js_display_fullscreen_exit() { return GodotDisplayScreen.exitFullscreen() }

            function _godot_js_display_fullscreen_request() { return GodotDisplayScreen.requestFullscreen() }

            function _godot_js_display_glGetBufferSubData(target, offset, size, data) { const gl_context_handle = _emscripten_webgl_get_current_context(); const gl = GL.getContext(gl_context_handle); if (gl) { gl.GLctx["getBufferSubData"](target, offset, GROWABLE_HEAP_U8(), data, size) } }

            function _godot_js_display_has_webgl(p_version) { if (p_version !== 1 && p_version !== 2) { return false } try { return !!document.createElement("canvas").getContext(p_version === 2 ? "webgl2" : "webgl") } catch (e) {} return false }

            function _godot_js_display_is_swap_ok_cancel() { const win = ["Windows", "Win64", "Win32", "WinCE"]; const plat = navigator.platform || ""; if (win.indexOf(plat) !== -1) { return 1 } return 0 }

            function _godot_js_display_notification_cb(callback, p_enter, p_exit, p_in, p_out) {
                const canvas = GodotConfig.canvas;
                const func = GodotRuntime.get_func(callback);
                const notif = [p_enter, p_exit, p_in, p_out];
                ["mouseover", "mouseleave", "focus", "blur"].forEach(function(evt_name, idx) { GodotEventListeners.add(canvas, evt_name, function() { func(notif[idx]) }, true) })
            }

            function _godot_js_display_pixel_ratio_get() { return GodotDisplayScreen.getPixelRatio() }

            function _godot_js_display_screen_dpi_get() { return GodotDisplay.findDPI() }

            function _godot_js_display_screen_size_get(width, height) {
                const scale = GodotDisplayScreen.getPixelRatio();
                GodotRuntime.setHeapValue(width, window.screen.width * scale, "i32");
                GodotRuntime.setHeapValue(height, window.screen.height * scale, "i32")
            }

            function _godot_js_display_setup_canvas(p_width, p_height, p_fullscreen, p_hidpi) {
                const canvas = GodotConfig.canvas;
                GodotEventListeners.add(canvas, "contextmenu", function(ev) { ev.preventDefault() }, false);
                GodotEventListeners.add(canvas, "webglcontextlost", function(ev) {
                    alert("WebGL context lost, please reload the page");
                    ev.preventDefault()
                }, false);
                GodotDisplayScreen.hidpi = !!p_hidpi;
                switch (GodotConfig.canvas_resize_policy) {
                    case 0:
                        GodotDisplayScreen.desired_size = [canvas.width, canvas.height];
                        break;
                    case 1:
                        GodotDisplayScreen.desired_size = [p_width, p_height];
                        break;
                    default:
                        canvas.style.position = "absolute";
                        canvas.style.top = 0;
                        canvas.style.left = 0;
                        break
                }
                GodotDisplayScreen.updateSize();
                if (p_fullscreen) { GodotDisplayScreen.requestFullscreen() }
            }

            function _godot_js_display_size_update() { const updated = GodotDisplayScreen.updateSize(); if (updated) { GodotDisplayVK.updateSize() } return updated }

            function _godot_js_display_touchscreen_is_available() { return "ontouchstart" in window }

            function _godot_js_display_vk_available() { return GodotDisplayVK.available() }

            function _godot_js_display_vk_cb(p_input_cb) { const input_cb = GodotRuntime.get_func(p_input_cb); if (GodotDisplayVK.available()) { GodotDisplayVK.init(input_cb) } }

            function _godot_js_display_vk_hide() { GodotDisplayVK.hide() }

            function _godot_js_display_vk_show(p_text, p_multiline, p_start, p_end) {
                const text = GodotRuntime.parseString(p_text);
                const start = p_start > 0 ? p_start : 0;
                const end = p_end > 0 ? p_end : start;
                GodotDisplayVK.show(text, p_multiline, start, end)
            }

            function _godot_js_display_window_blur_cb(callback) {
                const func = GodotRuntime.get_func(callback);
                GodotEventListeners.add(window, "blur", function() { func() }, false)
            }

            function _godot_js_display_window_icon_set(p_ptr, p_len) {
                let link = document.getElementById("-gd-engine-icon");
                if (link === null) {
                    link = document.createElement("link");
                    link.rel = "icon";
                    link.id = "-gd-engine-icon";
                    document.head.appendChild(link)
                }
                const old_icon = GodotDisplay.window_icon;
                const png = new Blob([GodotRuntime.heapSlice(GROWABLE_HEAP_U8(), p_ptr, p_len)], { type: "image/png" });
                GodotDisplay.window_icon = URL.createObjectURL(png);
                link.href = GodotDisplay.window_icon;
                if (old_icon) { URL.revokeObjectURL(old_icon) }
            }

            function _godot_js_display_window_size_get(p_width, p_height) {
                GodotRuntime.setHeapValue(p_width, GodotConfig.canvas.width, "i32");
                GodotRuntime.setHeapValue(p_height, GodotConfig.canvas.height, "i32")
            }

            function _godot_js_display_window_title_set(p_data) { document.title = GodotRuntime.parseString(p_data) }

            function _godot_js_eval(p_js, p_use_global_ctx, p_union_ptr, p_byte_arr, p_byte_arr_write, p_callback) {
                const js_code = GodotRuntime.parseString(p_js);
                let eval_ret = null;
                try {
                    if (p_use_global_ctx) {
                        const global_eval = eval;
                        eval_ret = global_eval(js_code)
                    } else { eval_ret = eval(js_code) }
                } catch (e) { GodotRuntime.error(e) }
                switch (typeof eval_ret) {
                    case "boolean":
                        GodotRuntime.setHeapValue(p_union_ptr, eval_ret, "i32");
                        return 1;
                    case "number":
                        GodotRuntime.setHeapValue(p_union_ptr, eval_ret, "double");
                        return 3;
                    case "string":
                        GodotRuntime.setHeapValue(p_union_ptr, GodotRuntime.allocString(eval_ret), "*");
                        return 4;
                    case "object":
                        if (eval_ret === null) { break }
                        if (ArrayBuffer.isView(eval_ret) && !(eval_ret instanceof Uint8Array)) { eval_ret = new Uint8Array(eval_ret.buffer) } else if (eval_ret instanceof ArrayBuffer) { eval_ret = new Uint8Array(eval_ret) }
                        if (eval_ret instanceof Uint8Array) {
                            const func = GodotRuntime.get_func(p_callback);
                            const bytes_ptr = func(p_byte_arr, p_byte_arr_write, eval_ret.length);
                            GROWABLE_HEAP_U8().set(eval_ret, bytes_ptr);
                            return 20
                        }
                        break
                }
                return 0
            }
            var IDHandler = {
                _last_id: 0,
                _references: {},
                get: function(p_id) { return IDHandler._references[p_id] },
                add: function(p_data) {
                    const id = ++IDHandler._last_id;
                    IDHandler._references[id] = p_data;
                    return id
                },
                remove: function(p_id) { delete IDHandler._references[p_id] }
            };
            var GodotFetch = {
                onread: function(id, result) {
                    const obj = IDHandler.get(id);
                    if (!obj) { return }
                    if (result.value) { obj.chunks.push(result.value) }
                    obj.reading = false;
                    obj.done = result.done
                },
                onresponse: function(id, response) {
                    const obj = IDHandler.get(id);
                    if (!obj) { return }
                    let chunked = false;
                    response.headers.forEach(function(value, header) { const v = value.toLowerCase().trim(); const h = header.toLowerCase().trim(); if (h === "transfer-encoding" && v === "chunked") { chunked = true } });
                    obj.status = response.status;
                    obj.response = response;
                    obj.reader = response.body.getReader();
                    obj.chunked = chunked
                },
                onerror: function(id, err) {
                    GodotRuntime.error(err);
                    const obj = IDHandler.get(id);
                    if (!obj) { return }
                    obj.error = err
                },
                create: function(method, url, headers, body) {
                    const obj = { request: null, response: null, reader: null, error: null, done: false, reading: false, status: 0, chunks: [], bodySize: -1 };
                    const id = IDHandler.add(obj);
                    const init = { method: method, headers: headers, body: body };
                    obj.request = fetch(url, init);
                    obj.request.then(GodotFetch.onresponse.bind(null, id)).catch(GodotFetch.onerror.bind(null, id));
                    return id
                },
                free: function(id) {
                    const obj = IDHandler.get(id);
                    if (!obj) { return }
                    IDHandler.remove(id);
                    if (!obj.request) { return }
                    obj.request.then(function(response) { response.abort() }).catch(function(e) {})
                },
                read: function(id) {
                    const obj = IDHandler.get(id);
                    if (!obj) { return }
                    if (obj.reader && !obj.reading) {
                        if (obj.done) { obj.reader = null; return }
                        obj.reading = true;
                        obj.reader.read().then(GodotFetch.onread.bind(null, id)).catch(GodotFetch.onerror.bind(null, id))
                    }
                }
            };

            function _godot_js_fetch_body_length_get(p_id) { const obj = IDHandler.get(p_id); if (!obj || !obj.response) { return -1 } return obj.bodySize }

            function _godot_js_fetch_create(p_method, p_url, p_headers, p_headers_size, p_body, p_body_size) { const method = GodotRuntime.parseString(p_method); const url = GodotRuntime.parseString(p_url); const headers = GodotRuntime.parseStringArray(p_headers, p_headers_size); const body = p_body_size ? GodotRuntime.heapSlice(GROWABLE_HEAP_I8(), p_body, p_body_size) : null; return GodotFetch.create(method, url, headers.map(function(hv) { const idx = hv.indexOf(":"); if (idx <= 0) { return [] } return [hv.slice(0, idx).trim(), hv.slice(idx + 1).trim()] }).filter(function(v) { return v.length === 2 }), body) }

            function _godot_js_fetch_free(id) { GodotFetch.free(id) }

            function _godot_js_fetch_http_status_get(p_id) { const obj = IDHandler.get(p_id); if (!obj || !obj.response) { return 0 } return obj.status }

            function _godot_js_fetch_is_chunked(p_id) { const obj = IDHandler.get(p_id); if (!obj || !obj.response) { return -1 } return obj.chunked ? 1 : 0 }

            function _godot_js_fetch_read_chunk(p_id, p_buf, p_buf_size) {
                const obj = IDHandler.get(p_id);
                if (!obj || !obj.response) { return 0 }
                let to_read = p_buf_size;
                const chunks = obj.chunks;
                while (to_read && chunks.length) {
                    const chunk = obj.chunks[0];
                    if (chunk.length > to_read) {
                        GodotRuntime.heapCopy(GROWABLE_HEAP_I8(), chunk.slice(0, to_read), p_buf);
                        chunks[0] = chunk.slice(to_read);
                        to_read = 0
                    } else {
                        GodotRuntime.heapCopy(GROWABLE_HEAP_I8(), chunk, p_buf);
                        to_read -= chunk.length;
                        chunks.pop()
                    }
                }
                if (!chunks.length) { GodotFetch.read(p_id) }
                return p_buf_size - to_read
            }

            function _godot_js_fetch_read_headers(p_id, p_parse_cb, p_ref) {
                const obj = IDHandler.get(p_id);
                if (!obj || !obj.response) { return 1 }
                const cb = GodotRuntime.get_func(p_parse_cb);
                const arr = [];
                obj.response.headers.forEach(function(v, h) { arr.push(`${h}:${v}`) });
                const c_ptr = GodotRuntime.allocStringArray(arr);
                cb(arr.length, c_ptr, p_ref);
                GodotRuntime.freeStringArray(c_ptr, arr.length);
                return 0
            }

            function _godot_js_fetch_state_get(p_id) { const obj = IDHandler.get(p_id); if (!obj) { return -1 } if (obj.error) { return -1 } if (!obj.response) { return 0 } if (obj.reader) { return 1 } if (obj.done) { return 2 } return -1 }
            var GodotInputGamepads = {
                samples: [],
                get_pads: function() { try { const pads = navigator.getGamepads(); if (pads) { return pads } return [] } catch (e) { return [] } },
                get_samples: function() { return GodotInputGamepads.samples },
                get_sample: function(index) { const samples = GodotInputGamepads.samples; return index < samples.length ? samples[index] : null },
                sample: function() {
                    const pads = GodotInputGamepads.get_pads();
                    const samples = [];
                    for (let i = 0; i < pads.length; i++) {
                        const pad = pads[i];
                        if (!pad) { samples.push(null); continue }
                        const s = { standard: pad.mapping === "standard", buttons: [], axes: [], connected: pad.connected };
                        for (let b = 0; b < pad.buttons.length; b++) { s.buttons.push(pad.buttons[b].value) }
                        for (let a = 0; a < pad.axes.length; a++) { s.axes.push(pad.axes[a]) }
                        samples.push(s)
                    }
                    GodotInputGamepads.samples = samples
                },
                init: function(onchange) {
                    GodotInputGamepads.samples = [];

                    function add(pad) {
                        const guid = GodotInputGamepads.get_guid(pad);
                        const c_id = GodotRuntime.allocString(pad.id);
                        const c_guid = GodotRuntime.allocString(guid);
                        onchange(pad.index, 1, c_id, c_guid);
                        GodotRuntime.free(c_id);
                        GodotRuntime.free(c_guid)
                    }
                    const pads = GodotInputGamepads.get_pads();
                    for (let i = 0; i < pads.length; i++) { if (pads[i]) { add(pads[i]) } }
                    GodotEventListeners.add(window, "gamepadconnected", function(evt) { if (evt.gamepad) { add(evt.gamepad) } }, false);
                    GodotEventListeners.add(window, "gamepaddisconnected", function(evt) { if (evt.gamepad) { onchange(evt.gamepad.index, 0) } }, false)
                },
                get_guid: function(pad) {
                    if (pad.mapping) { return pad.mapping }
                    const ua = navigator.userAgent;
                    let os = "Unknown";
                    if (ua.indexOf("Android") >= 0) { os = "Android" } else if (ua.indexOf("Linux") >= 0) { os = "Linux" } else if (ua.indexOf("iPhone") >= 0) { os = "iOS" } else if (ua.indexOf("Macintosh") >= 0) { os = "MacOSX" } else if (ua.indexOf("Windows") >= 0) { os = "Windows" }
                    const id = pad.id;
                    const exp1 = /vendor: ([0-9a-f]{4}) product: ([0-9a-f]{4})/i;
                    const exp2 = /^([0-9a-f]+)-([0-9a-f]+)-/i;
                    let vendor = "";
                    let product = "";
                    if (exp1.test(id)) {
                        const match = exp1.exec(id);
                        vendor = match[1].padStart(4, "0");
                        product = match[2].padStart(4, "0")
                    } else if (exp2.test(id)) {
                        const match = exp2.exec(id);
                        vendor = match[1].padStart(4, "0");
                        product = match[2].padStart(4, "0")
                    }
                    if (!vendor || !product) { return `${os}Unknown` }
                    return os + vendor + product
                }
            };
            var GodotInputDragDrop = {
                promises: [],
                pending_files: [],
                add_entry: function(entry) { if (entry.isDirectory) { GodotInputDragDrop.add_dir(entry) } else if (entry.isFile) { GodotInputDragDrop.add_file(entry) } else { GodotRuntime.error("Unrecognized entry...", entry) } },
                add_dir: function(entry) {
                    GodotInputDragDrop.promises.push(new Promise(function(resolve, reject) {
                        const reader = entry.createReader();
                        reader.readEntries(function(entries) {
                            for (let i = 0; i < entries.length; i++) { GodotInputDragDrop.add_entry(entries[i]) }
                            resolve()
                        })
                    }))
                },
                add_file: function(entry) {
                    GodotInputDragDrop.promises.push(new Promise(function(resolve, reject) {
                        entry.file(function(file) {
                            const reader = new FileReader;
                            reader.onload = function() {
                                const f = { "path": file.relativePath || file.webkitRelativePath, "name": file.name, "type": file.type, "size": file.size, "data": reader.result };
                                if (!f["path"]) { f["path"] = f["name"] }
                                GodotInputDragDrop.pending_files.push(f);
                                resolve()
                            };
                            reader.onerror = function() {
                                GodotRuntime.print("Error reading file");
                                reject()
                            };
                            reader.readAsArrayBuffer(file)
                        }, function(err) {
                            GodotRuntime.print("Error!");
                            reject()
                        })
                    }))
                },
                process: function(resolve, reject) {
                    if (GodotInputDragDrop.promises.length === 0) { resolve(); return }
                    GodotInputDragDrop.promises.pop().then(function() { setTimeout(function() { GodotInputDragDrop.process(resolve, reject) }, 0) })
                },
                _process_event: function(ev, callback) {
                    ev.preventDefault();
                    if (ev.dataTransfer.items) { for (let i = 0; i < ev.dataTransfer.items.length; i++) { const item = ev.dataTransfer.items[i]; let entry = null; if ("getAsEntry" in item) { entry = item.getAsEntry() } else if ("webkitGetAsEntry" in item) { entry = item.webkitGetAsEntry() } if (entry) { GodotInputDragDrop.add_entry(entry) } } } else { GodotRuntime.error("File upload not supported") }
                    new Promise(GodotInputDragDrop.process).then(function() {
                        const DROP = `/tmp/drop-${parseInt(Math.random()*(1<<30),10)}/`;
                        const drops = [];
                        const files = [];
                        FS.mkdir(DROP.slice(0, -1));
                        GodotInputDragDrop.pending_files.forEach(elem => {
                            const path = elem["path"];
                            GodotFS.copy_to_fs(DROP + path, elem["data"]);
                            let idx = path.indexOf("/");
                            if (idx === -1) { drops.push(DROP + path) } else {
                                const sub = path.substr(0, idx);
                                idx = sub.indexOf("/");
                                if (idx < 0 && drops.indexOf(DROP + sub) === -1) { drops.push(DROP + sub) }
                            }
                            files.push(DROP + path)
                        });
                        GodotInputDragDrop.promises = [];
                        GodotInputDragDrop.pending_files = [];
                        callback(drops);
                        if (GodotConfig.persistent_drops) {
                            GodotOS.atexit(function(resolve, reject) {
                                GodotInputDragDrop.remove_drop(files, DROP);
                                resolve()
                            })
                        } else { GodotInputDragDrop.remove_drop(files, DROP) }
                    })
                },
                remove_drop: function(files, drop_path) {
                    const dirs = [drop_path.substr(0, drop_path.length - 1)];
                    files.forEach(function(file) {
                        FS.unlink(file);
                        let dir = file.replace(drop_path, "");
                        let idx = dir.lastIndexOf("/");
                        while (idx > 0) {
                            dir = dir.substr(0, idx);
                            if (dirs.indexOf(drop_path + dir) === -1) { dirs.push(drop_path + dir) }
                            idx = dir.lastIndexOf("/")
                        }
                    });
                    dirs.sort(function(a, b) { const al = (a.match(/\//g) || []).length; const bl = (b.match(/\//g) || []).length; if (al > bl) { return -1 } else if (al < bl) { return 1 } return 0 }).forEach(function(dir) { FS.rmdir(dir) })
                },
                handler: function(callback) { return function(ev) { GodotInputDragDrop._process_event(ev, callback) } }
            };
            var GodotInput = { getModifiers: function(evt) { return evt.shiftKey + 0 + (evt.altKey + 0 << 1) + (evt.ctrlKey + 0 << 2) + (evt.metaKey + 0 << 3) }, computePosition: function(evt, rect) { const canvas = GodotConfig.canvas; const rw = canvas.width / rect.width; const rh = canvas.height / rect.height; const x = (evt.clientX - rect.x) * rw; const y = (evt.clientY - rect.y) * rh; return [x, y] } };

            function _godot_js_input_drop_files_cb(callback) {
                const func = GodotRuntime.get_func(callback);
                const dropFiles = function(files) {
                    const args = files || [];
                    if (!args.length) { return }
                    const argc = args.length;
                    const argv = GodotRuntime.allocStringArray(args);
                    func(argv, argc);
                    GodotRuntime.freeStringArray(argv, argc)
                };
                const canvas = GodotConfig.canvas;
                GodotEventListeners.add(canvas, "dragover", function(ev) { ev.preventDefault() }, false);
                GodotEventListeners.add(canvas, "drop", GodotInputDragDrop.handler(dropFiles))
            }

            function _godot_js_input_gamepad_cb(change_cb) {
                const onchange = GodotRuntime.get_func(change_cb);
                GodotInputGamepads.init(onchange)
            }

            function _godot_js_input_gamepad_sample() { GodotInputGamepads.sample(); return 0 }

            function _godot_js_input_gamepad_sample_count() { return GodotInputGamepads.get_samples().length }

            function _godot_js_input_gamepad_sample_get(p_index, r_btns, r_btns_num, r_axes, r_axes_num, r_standard) {
                const sample = GodotInputGamepads.get_sample(p_index);
                if (!sample || !sample.connected) { return 1 }
                const btns = sample.buttons;
                const btns_len = btns.length < 16 ? btns.length : 16;
                for (let i = 0; i < btns_len; i++) { GodotRuntime.setHeapValue(r_btns + (i << 2), btns[i], "float") }
                GodotRuntime.setHeapValue(r_btns_num, btns_len, "i32");
                const axes = sample.axes;
                const axes_len = axes.length < 10 ? axes.length : 10;
                for (let i = 0; i < axes_len; i++) { GodotRuntime.setHeapValue(r_axes + (i << 2), axes[i], "float") }
                GodotRuntime.setHeapValue(r_axes_num, axes_len, "i32");
                const is_standard = sample.standard ? 1 : 0;
                GodotRuntime.setHeapValue(r_standard, is_standard, "i32");
                return 0
            }

            function _godot_js_input_key_cb(callback, code, key) {
                const func = GodotRuntime.get_func(callback);

                function key_cb(pressed, evt) {
                    const modifiers = GodotInput.getModifiers(evt);
                    GodotRuntime.stringToHeap(evt.code, code, 32);
                    GodotRuntime.stringToHeap(evt.key, key, 32);
                    func(pressed, evt.repeat, modifiers);
                    evt.preventDefault()
                }
                GodotEventListeners.add(GodotConfig.canvas, "keydown", key_cb.bind(null, 1), false);
                GodotEventListeners.add(GodotConfig.canvas, "keyup", key_cb.bind(null, 0), false)
            }

            function _godot_js_input_mouse_button_cb(callback) {
                const func = GodotRuntime.get_func(callback);
                const canvas = GodotConfig.canvas;

                function button_cb(p_pressed, evt) { const rect = canvas.getBoundingClientRect(); const pos = GodotInput.computePosition(evt, rect); const modifiers = GodotInput.getModifiers(evt); if (p_pressed) { GodotConfig.canvas.focus() } if (func(p_pressed, evt.button, pos[0], pos[1], modifiers)) { evt.preventDefault() } }
                GodotEventListeners.add(canvas, "mousedown", button_cb.bind(null, 1), false);
                GodotEventListeners.add(window, "mouseup", button_cb.bind(null, 0), false)
            }

            function _godot_js_input_mouse_move_cb(callback) {
                const func = GodotRuntime.get_func(callback);
                const canvas = GodotConfig.canvas;

                function move_cb(evt) {
                    const rect = canvas.getBoundingClientRect();
                    const pos = GodotInput.computePosition(evt, rect);
                    const rw = canvas.width / rect.width;
                    const rh = canvas.height / rect.height;
                    const rel_pos_x = evt.movementX * rw;
                    const rel_pos_y = evt.movementY * rh;
                    const modifiers = GodotInput.getModifiers(evt);
                    func(pos[0], pos[1], rel_pos_x, rel_pos_y, modifiers)
                }
                GodotEventListeners.add(window, "mousemove", move_cb, false)
            }

            function _godot_js_input_mouse_wheel_cb(callback) {
                const func = GodotRuntime.get_func(callback);

                function wheel_cb(evt) { if (func(evt["deltaX"] || 0, evt["deltaY"] || 0)) { evt.preventDefault() } }
                GodotEventListeners.add(GodotConfig.canvas, "wheel", wheel_cb, false)
            }

            function _godot_js_input_paste_cb(callback) {
                const func = GodotRuntime.get_func(callback);
                GodotEventListeners.add(window, "paste", function(evt) {
                    const text = evt.clipboardData.getData("text");
                    const ptr = GodotRuntime.allocString(text);
                    func(ptr);
                    GodotRuntime.free(ptr)
                }, false)
            }

            function _godot_js_input_touch_cb(callback, ids, coords) {
                const func = GodotRuntime.get_func(callback);
                const canvas = GodotConfig.canvas;

                function touch_cb(type, evt) {
                    if (type === 0) { GodotConfig.canvas.focus() }
                    const rect = canvas.getBoundingClientRect();
                    const touches = evt.changedTouches;
                    for (let i = 0; i < touches.length; i++) {
                        const touch = touches[i];
                        const pos = GodotInput.computePosition(touch, rect);
                        GodotRuntime.setHeapValue(coords + i * 2 * 8, pos[0], "double");
                        GodotRuntime.setHeapValue(coords + (i * 2 + 1) * 8, pos[1], "double");
                        GodotRuntime.setHeapValue(ids + i * 4, touch.identifier, "i32")
                    }
                    func(type, touches.length);
                    if (evt.cancelable) { evt.preventDefault() }
                }
                GodotEventListeners.add(canvas, "touchstart", touch_cb.bind(null, 0), false);
                GodotEventListeners.add(canvas, "touchend", touch_cb.bind(null, 1), false);
                GodotEventListeners.add(canvas, "touchcancel", touch_cb.bind(null, 1), false);
                GodotEventListeners.add(canvas, "touchmove", touch_cb.bind(null, 2), false)
            }

            function _godot_js_os_download_buffer(p_ptr, p_size, p_name, p_mime) {
                const buf = GodotRuntime.heapSlice(GROWABLE_HEAP_I8(), p_ptr, p_size);
                const name = GodotRuntime.parseString(p_name);
                const mime = GodotRuntime.parseString(p_mime);
                const blob = new Blob([buf], { type: mime });
                const url = window.URL.createObjectURL(blob);
                const a = document.createElement("a");
                a.href = url;
                a.download = name;
                a.style.display = "none";
                document.body.appendChild(a);
                a.click();
                a.remove();
                window.URL.revokeObjectURL(url)
            }

            function _godot_js_os_execute(p_json) { const json_args = GodotRuntime.parseString(p_json); const args = JSON.parse(json_args); if (GodotConfig.on_execute) { GodotConfig.on_execute(args); return 0 } return 1 }

            function _godot_js_os_finish_async(p_callback) {
                const func = GodotRuntime.get_func(p_callback);
                GodotOS.finish_async(func)
            }

            function _godot_js_os_fs_is_persistent() { return GodotFS.is_persistent() }

            function _godot_js_os_fs_sync(callback) {
                const func = GodotRuntime.get_func(callback);
                GodotOS._fs_sync_promise = GodotFS.sync();
                GodotOS._fs_sync_promise.then(function(err) { func() })
            }

            function _godot_js_os_hw_concurrency_get() { return navigator.hardwareConcurrency || 1 }

            function _godot_js_os_request_quit_cb(p_callback) { GodotOS.request_quit = GodotRuntime.get_func(p_callback) }

            function _godot_js_os_shell_open(p_uri) { window.open(GodotRuntime.parseString(p_uri), "_blank") }
            var GodotRTCDataChannel = {
                connect: function(p_id, p_on_open, p_on_message, p_on_error, p_on_close) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    ref.binaryType = "arraybuffer";
                    ref.onopen = function(event) { p_on_open() };
                    ref.onclose = function(event) { p_on_close() };
                    ref.onerror = function(event) { p_on_error() };
                    ref.onmessage = function(event) {
                        let buffer;
                        let is_string = 0;
                        if (event.data instanceof ArrayBuffer) { buffer = new Uint8Array(event.data) } else if (event.data instanceof Blob) { GodotRuntime.error("Blob type not supported"); return } else if (typeof event.data === "string") {
                            is_string = 1;
                            const enc = new TextEncoder("utf-8");
                            buffer = new Uint8Array(enc.encode(event.data))
                        } else { GodotRuntime.error("Unknown message type"); return }
                        const len = buffer.length * buffer.BYTES_PER_ELEMENT;
                        const out = GodotRuntime.malloc(len);
                        GROWABLE_HEAP_U8().set(buffer, out);
                        p_on_message(out, len, is_string);
                        GodotRuntime.free(out)
                    }
                },
                close: function(p_id) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    ref.onopen = null;
                    ref.onmessage = null;
                    ref.onerror = null;
                    ref.onclose = null;
                    ref.close()
                },
                get_prop: function(p_id, p_prop, p_def) { const ref = IDHandler.get(p_id); return ref && ref[p_prop] !== undefined ? ref[p_prop] : p_def }
            };

            function _godot_js_rtc_datachannel_close(p_id) {
                const ref = IDHandler.get(p_id);
                if (!ref) { return }
                GodotRTCDataChannel.close(p_id)
            }

            function _godot_js_rtc_datachannel_connect(p_id, p_ref, p_on_open, p_on_message, p_on_error, p_on_close) {
                const onopen = GodotRuntime.get_func(p_on_open).bind(null, p_ref);
                const onmessage = GodotRuntime.get_func(p_on_message).bind(null, p_ref);
                const onerror = GodotRuntime.get_func(p_on_error).bind(null, p_ref);
                const onclose = GodotRuntime.get_func(p_on_close).bind(null, p_ref);
                GodotRTCDataChannel.connect(p_id, onopen, onmessage, onerror, onclose)
            }

            function _godot_js_rtc_datachannel_destroy(p_id) {
                GodotRTCDataChannel.close(p_id);
                IDHandler.remove(p_id)
            }

            function _godot_js_rtc_datachannel_get_buffered_amount(p_id) { return GodotRTCDataChannel.get_prop(p_id, "bufferedAmount", 0) }

            function _godot_js_rtc_datachannel_id_get(p_id) { return GodotRTCDataChannel.get_prop(p_id, "id", 65535) }

            function _godot_js_rtc_datachannel_is_negotiated(p_id) { return GodotRTCDataChannel.get_prop(p_id, "negotiated", 65535) }

            function _godot_js_rtc_datachannel_is_ordered(p_id) { return GodotRTCDataChannel.get_prop(p_id, "ordered", true) }

            function _godot_js_rtc_datachannel_label_get(p_id) { const ref = IDHandler.get(p_id); if (!ref || !ref.label) { return 0 } return GodotRuntime.allocString(ref.label) }

            function _godot_js_rtc_datachannel_max_packet_lifetime_get(p_id) { const ref = IDHandler.get(p_id); if (!ref) { return 65535 } if (ref["maxPacketLifeTime"] !== undefined) { return ref["maxPacketLifeTime"] } else if (ref["maxRetransmitTime"] !== undefined) { return ref["maxRetransmitTime"] } return 65535 }

            function _godot_js_rtc_datachannel_max_retransmits_get(p_id) { return GodotRTCDataChannel.get_prop(p_id, "maxRetransmits", 65535) }

            function _godot_js_rtc_datachannel_protocol_get(p_id) { const ref = IDHandler.get(p_id); if (!ref || !ref.protocol) { return 0 } return GodotRuntime.allocString(ref.protocol) }

            function _godot_js_rtc_datachannel_ready_state_get(p_id) {
                const ref = IDHandler.get(p_id);
                if (!ref) { return 3 }
                switch (ref.readyState) {
                    case "connecting":
                        return 0;
                    case "open":
                        return 1;
                    case "closing":
                        return 2;
                    case "closed":
                    default:
                        return 3
                }
            }

            function _godot_js_rtc_datachannel_send(p_id, p_buffer, p_length, p_raw) {
                const ref = IDHandler.get(p_id);
                if (!ref) { return 1 }
                const bytes_array = new Uint8Array(p_length);
                for (let i = 0; i < p_length; i++) { bytes_array[i] = GodotRuntime.getHeapValue(p_buffer + i, "i8") }
                if (p_raw) { ref.send(bytes_array.buffer) } else {
                    const string = new TextDecoder("utf-8").decode(bytes_array);
                    ref.send(string)
                }
                return 0
            }
            var GodotRTCPeerConnection = {
                onstatechange: function(p_id, p_conn, callback, event) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    let state;
                    switch (p_conn.iceConnectionState) {
                        case "new":
                            state = 0;
                            break;
                        case "checking":
                            state = 1;
                            break;
                        case "connected":
                        case "completed":
                            state = 2;
                            break;
                        case "disconnected":
                            state = 3;
                            break;
                        case "failed":
                            state = 4;
                            break;
                        case "closed":
                        default:
                            state = 5;
                            break
                    }
                    callback(state)
                },
                onicecandidate: function(p_id, callback, event) {
                    const ref = IDHandler.get(p_id);
                    if (!ref || !event.candidate) { return }
                    const c = event.candidate;
                    const candidate_str = GodotRuntime.allocString(c.candidate);
                    const mid_str = GodotRuntime.allocString(c.sdpMid);
                    callback(mid_str, c.sdpMLineIndex, candidate_str);
                    GodotRuntime.free(candidate_str);
                    GodotRuntime.free(mid_str)
                },
                ondatachannel: function(p_id, callback, event) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    const cid = IDHandler.add(event.channel);
                    callback(cid)
                },
                onsession: function(p_id, callback, session) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    const type_str = GodotRuntime.allocString(session.type);
                    const sdp_str = GodotRuntime.allocString(session.sdp);
                    callback(type_str, sdp_str);
                    GodotRuntime.free(type_str);
                    GodotRuntime.free(sdp_str)
                },
                onerror: function(p_id, callback, error) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    GodotRuntime.error(error);
                    callback()
                }
            };

            function _godot_js_rtc_pc_close(p_id) {
                const ref = IDHandler.get(p_id);
                if (!ref) { return }
                ref.close()
            }

            function _godot_js_rtc_pc_create(p_config, p_ref, p_on_state_change, p_on_candidate, p_on_datachannel) {
                const onstatechange = GodotRuntime.get_func(p_on_state_change).bind(null, p_ref);
                const oncandidate = GodotRuntime.get_func(p_on_candidate).bind(null, p_ref);
                const ondatachannel = GodotRuntime.get_func(p_on_datachannel).bind(null, p_ref);
                const config = JSON.parse(GodotRuntime.parseString(p_config));
                let conn = null;
                try { conn = new RTCPeerConnection(config) } catch (e) { GodotRuntime.error(e); return 0 }
                const base = GodotRTCPeerConnection;
                const id = IDHandler.add(conn);
                conn.oniceconnectionstatechange = base.onstatechange.bind(null, id, conn, onstatechange);
                conn.onicecandidate = base.onicecandidate.bind(null, id, oncandidate);
                conn.ondatachannel = base.ondatachannel.bind(null, id, ondatachannel);
                return id
            }

            function _godot_js_rtc_pc_datachannel_create(p_id, p_label, p_config) { try { const ref = IDHandler.get(p_id); if (!ref) { return 0 } const label = GodotRuntime.parseString(p_label); const config = JSON.parse(GodotRuntime.parseString(p_config)); const channel = ref.createDataChannel(label, config); return IDHandler.add(channel) } catch (e) { GodotRuntime.error(e); return 0 } }

            function _godot_js_rtc_pc_destroy(p_id) {
                const ref = IDHandler.get(p_id);
                if (!ref) { return }
                ref.oniceconnectionstatechange = null;
                ref.onicecandidate = null;
                ref.ondatachannel = null;
                IDHandler.remove(p_id)
            }

            function _godot_js_rtc_pc_ice_candidate_add(p_id, p_mid_name, p_mline_idx, p_sdp) {
                const ref = IDHandler.get(p_id);
                if (!ref) { return }
                const sdpMidName = GodotRuntime.parseString(p_mid_name);
                const sdpName = GodotRuntime.parseString(p_sdp);
                ref.addIceCandidate(new RTCIceCandidate({ "candidate": sdpName, "sdpMid": sdpMidName, "sdpMlineIndex": p_mline_idx }))
            }

            function _godot_js_rtc_pc_local_description_set(p_id, p_type, p_sdp, p_obj, p_on_error) {
                const ref = IDHandler.get(p_id);
                if (!ref) { return }
                const type = GodotRuntime.parseString(p_type);
                const sdp = GodotRuntime.parseString(p_sdp);
                const onerror = GodotRuntime.get_func(p_on_error).bind(null, p_obj);
                ref.setLocalDescription({ "sdp": sdp, "type": type }).catch(function(error) { GodotRTCPeerConnection.onerror(p_id, onerror, error) })
            }

            function _godot_js_rtc_pc_offer_create(p_id, p_obj, p_on_session, p_on_error) {
                const ref = IDHandler.get(p_id);
                if (!ref) { return }
                const onsession = GodotRuntime.get_func(p_on_session).bind(null, p_obj);
                const onerror = GodotRuntime.get_func(p_on_error).bind(null, p_obj);
                ref.createOffer().then(function(session) { GodotRTCPeerConnection.onsession(p_id, onsession, session) }).catch(function(error) { GodotRTCPeerConnection.onerror(p_id, onerror, error) })
            }

            function _godot_js_rtc_pc_remote_description_set(p_id, p_type, p_sdp, p_obj, p_session_created, p_on_error) {
                const ref = IDHandler.get(p_id);
                if (!ref) { return }
                const type = GodotRuntime.parseString(p_type);
                const sdp = GodotRuntime.parseString(p_sdp);
                const onerror = GodotRuntime.get_func(p_on_error).bind(null, p_obj);
                const onsession = GodotRuntime.get_func(p_session_created).bind(null, p_obj);
                ref.setRemoteDescription({ "sdp": sdp, "type": type }).then(function() { if (type !== "offer") { return Promise.resolve() } return ref.createAnswer().then(function(session) { GodotRTCPeerConnection.onsession(p_id, onsession, session) }) }).catch(function(error) { GodotRTCPeerConnection.onerror(p_id, onerror, error) })
            }
            var GodotWebSocket = {
                _onopen: function(p_id, callback, event) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    const c_str = GodotRuntime.allocString(ref.protocol);
                    callback(c_str);
                    GodotRuntime.free(c_str)
                },
                _onmessage: function(p_id, callback, event) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    let buffer;
                    let is_string = 0;
                    if (event.data instanceof ArrayBuffer) { buffer = new Uint8Array(event.data) } else if (event.data instanceof Blob) { GodotRuntime.error("Blob type not supported"); return } else if (typeof event.data === "string") {
                        is_string = 1;
                        const enc = new TextEncoder("utf-8");
                        buffer = new Uint8Array(enc.encode(event.data))
                    } else { GodotRuntime.error("Unknown message type"); return }
                    const len = buffer.length * buffer.BYTES_PER_ELEMENT;
                    const out = GodotRuntime.malloc(len);
                    GROWABLE_HEAP_U8().set(buffer, out);
                    callback(out, len, is_string);
                    GodotRuntime.free(out)
                },
                _onerror: function(p_id, callback, event) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    callback()
                },
                _onclose: function(p_id, callback, event) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    const c_str = GodotRuntime.allocString(event.reason);
                    callback(event.code, c_str, event.wasClean ? 1 : 0);
                    GodotRuntime.free(c_str)
                },
                send: function(p_id, p_data) {
                    const ref = IDHandler.get(p_id);
                    if (!ref || ref.readyState !== ref.OPEN) { return 1 }
                    ref.send(p_data);
                    return 0
                },
                bufferedAmount: function(p_id) { const ref = IDHandler.get(p_id); if (!ref) { return 0 } return ref.bufferedAmount },
                create: function(socket, p_on_open, p_on_message, p_on_error, p_on_close) {
                    const id = IDHandler.add(socket);
                    socket.onopen = GodotWebSocket._onopen.bind(null, id, p_on_open);
                    socket.onmessage = GodotWebSocket._onmessage.bind(null, id, p_on_message);
                    socket.onerror = GodotWebSocket._onerror.bind(null, id, p_on_error);
                    socket.onclose = GodotWebSocket._onclose.bind(null, id, p_on_close);
                    return id
                },
                close: function(p_id, p_code, p_reason) {
                    const ref = IDHandler.get(p_id);
                    if (ref && ref.readyState < ref.CLOSING) {
                        const code = p_code;
                        const reason = GodotRuntime.parseString(p_reason);
                        ref.close(code, reason)
                    }
                },
                destroy: function(p_id) {
                    const ref = IDHandler.get(p_id);
                    if (!ref) { return }
                    GodotWebSocket.close(p_id, 1001, "");
                    IDHandler.remove(p_id);
                    ref.onopen = null;
                    ref.onmessage = null;
                    ref.onerror = null;
                    ref.onclose = null
                }
            };

            function _godot_js_websocket_buffered_amount(p_id) { return GodotWebSocket.bufferedAmount(p_id) }

            function _godot_js_websocket_close(p_id, p_code, p_reason) {
                const code = p_code;
                const reason = GodotRuntime.parseString(p_reason);
                GodotWebSocket.close(p_id, code, reason)
            }

            function _godot_js_websocket_create(p_ref, p_url, p_proto, p_on_open, p_on_message, p_on_error, p_on_close) {
                const on_open = GodotRuntime.get_func(p_on_open).bind(null, p_ref);
                const on_message = GodotRuntime.get_func(p_on_message).bind(null, p_ref);
                const on_error = GodotRuntime.get_func(p_on_error).bind(null, p_ref);
                const on_close = GodotRuntime.get_func(p_on_close).bind(null, p_ref);
                const url = GodotRuntime.parseString(p_url);
                const protos = GodotRuntime.parseString(p_proto);
                let socket = null;
                try { if (protos) { socket = new WebSocket(url, protos.split(",")) } else { socket = new WebSocket(url) } } catch (e) { return 0 }
                socket.binaryType = "arraybuffer";
                return GodotWebSocket.create(socket, on_open, on_message, on_error, on_close)
            }

            function _godot_js_websocket_destroy(p_id) { GodotWebSocket.destroy(p_id) }

            function _godot_js_websocket_send(p_id, p_buf, p_buf_len, p_raw) { const bytes_array = new Uint8Array(p_buf_len); let i = 0; for (i = 0; i < p_buf_len; i++) { bytes_array[i] = GodotRuntime.getHeapValue(p_buf + i, "i8") } let out = bytes_array.buffer; if (!p_raw) { out = new TextDecoder("utf-8").decode(bytes_array) } return GodotWebSocket.send(p_id, out) }
            var GodotJSWrapper = {
                proxies: null,
                MyProxy: function(val) {
                    const id = IDHandler.add(this);
                    GodotJSWrapper.proxies.set(val, id);
                    let refs = 1;
                    this.ref = function() { refs++ };
                    this.unref = function() {
                        refs--;
                        if (refs === 0) {
                            IDHandler.remove(id);
                            GodotJSWrapper.proxies.delete(val)
                        }
                    };
                    this.get_val = function() { return val };
                    this.get_id = function() { return id }
                },
                get_proxied: function(val) {
                    const id = GodotJSWrapper.proxies.get(val);
                    if (id === undefined) { const proxy = new GodotJSWrapper.MyProxy(val); return proxy.get_id() }
                    IDHandler.get(id).ref();
                    return id
                },
                get_proxied_value: function(id) { const proxy = IDHandler.get(id); if (proxy === undefined) { return undefined } return proxy.get_val() },
                variant2js: function(type, val) {
                    switch (type) {
                        case 0:
                            return null;
                        case 1:
                            return !!GodotRuntime.getHeapValue(val, "i64");
                        case 2:
                            return GodotRuntime.getHeapValue(val, "i64");
                        case 3:
                            return GodotRuntime.getHeapValue(val, "double");
                        case 4:
                            return GodotRuntime.parseString(GodotRuntime.getHeapValue(val, "*"));
                        case 17:
                            return GodotJSWrapper.get_proxied_value(GodotRuntime.getHeapValue(val, "i64"));
                        default:
                            return undefined
                    }
                },
                js2variant: function(p_val, p_exchange) {
                    if (p_val === undefined || p_val === null) { return 0 }
                    const type = typeof p_val;
                    if (type === "boolean") { GodotRuntime.setHeapValue(p_exchange, p_val, "i64"); return 1 } else if (type === "number") {
                        if (Number.isInteger(p_val)) { GodotRuntime.setHeapValue(p_exchange, p_val, "i64"); return 2 }
                        GodotRuntime.setHeapValue(p_exchange, p_val, "double");
                        return 3
                    } else if (type === "string") {
                        const c_str = GodotRuntime.allocString(p_val);
                        GodotRuntime.setHeapValue(p_exchange, c_str, "*");
                        return 4
                    }
                    const id = GodotJSWrapper.get_proxied(p_val);
                    GodotRuntime.setHeapValue(p_exchange, id, "i64");
                    return 17
                }
            };

            function _godot_js_wrapper_create_cb(p_ref, p_func) {
                const func = GodotRuntime.get_func(p_func);
                let id = 0;
                const cb = function() {
                    if (!GodotJSWrapper.get_proxied_value(id)) { return }
                    const args = Array.from(arguments);
                    func(p_ref, GodotJSWrapper.get_proxied(args), args.length)
                };
                id = GodotJSWrapper.get_proxied(cb);
                return id
            }

            function _godot_js_wrapper_create_object(p_object, p_args, p_argc, p_convert_callback, p_exchange, p_lock, p_free_lock_callback) {
                const name = GodotRuntime.parseString(p_object);
                if (typeof window[name] === "undefined") { return -1 }
                const convert = GodotRuntime.get_func(p_convert_callback);
                const freeLock = GodotRuntime.get_func(p_free_lock_callback);
                const args = new Array(p_argc);
                for (let i = 0; i < p_argc; i++) {
                    const type = convert(p_args, i, p_exchange, p_lock);
                    const lock = GodotRuntime.getHeapValue(p_lock, "*");
                    args[i] = GodotJSWrapper.variant2js(type, p_exchange);
                    if (lock) { freeLock(p_lock, type) }
                }
                try { const res = new window[name](...args); return GodotJSWrapper.js2variant(res, p_exchange) } catch (e) { GodotRuntime.error(`Error calling constructor ${name} with args:`, args, "error:", e); return -1 }
            }

            function _godot_js_wrapper_interface_get(p_name) { const name = GodotRuntime.parseString(p_name); if (typeof window[name] !== "undefined") { return GodotJSWrapper.get_proxied(window[name]) } return 0 }

            function _godot_js_wrapper_object_call(p_id, p_method, p_args, p_argc, p_convert_callback, p_exchange, p_lock, p_free_lock_callback) {
                const obj = GodotJSWrapper.get_proxied_value(p_id);
                if (obj === undefined) { return -1 }
                const method = GodotRuntime.parseString(p_method);
                const convert = GodotRuntime.get_func(p_convert_callback);
                const freeLock = GodotRuntime.get_func(p_free_lock_callback);
                const args = new Array(p_argc);
                for (let i = 0; i < p_argc; i++) {
                    const type = convert(p_args, i, p_exchange, p_lock);
                    const lock = GodotRuntime.getHeapValue(p_lock, "*");
                    args[i] = GodotJSWrapper.variant2js(type, p_exchange);
                    if (lock) { freeLock(p_lock, type) }
                }
                try { const res = obj[method](...args); return GodotJSWrapper.js2variant(res, p_exchange) } catch (e) { GodotRuntime.error(`Error calling method ${method} on:`, obj, "error:", e); return -1 }
            }

            function _godot_js_wrapper_object_get(p_id, p_exchange, p_prop) { const obj = GodotJSWrapper.get_proxied_value(p_id); if (obj === undefined) { return 0 } if (p_prop) { const prop = GodotRuntime.parseString(p_prop); try { return GodotJSWrapper.js2variant(obj[prop], p_exchange) } catch (e) { GodotRuntime.error(`Error getting variable ${prop} on object`, obj); return 0 } } return GodotJSWrapper.js2variant(obj, p_exchange) }

            function _godot_js_wrapper_object_getvar(p_id, p_type, p_exchange) { const obj = GodotJSWrapper.get_proxied_value(p_id); if (obj === undefined) { return -1 } const prop = GodotJSWrapper.variant2js(p_type, p_exchange); if (prop === undefined || prop === null) { return -1 } try { return GodotJSWrapper.js2variant(obj[prop], p_exchange) } catch (e) { GodotRuntime.error(`Error getting variable ${prop} on object`, obj, e); return -1 } }

            function _godot_js_wrapper_object_set(p_id, p_name, p_type, p_exchange) { const obj = GodotJSWrapper.get_proxied_value(p_id); if (obj === undefined) { return } const name = GodotRuntime.parseString(p_name); try { obj[name] = GodotJSWrapper.variant2js(p_type, p_exchange) } catch (e) { GodotRuntime.error(`Error setting variable ${name} on object`, obj) } }

            function _godot_js_wrapper_object_setvar(p_id, p_key_type, p_key_ex, p_val_type, p_val_ex) { const obj = GodotJSWrapper.get_proxied_value(p_id); if (obj === undefined) { return -1 } const key = GodotJSWrapper.variant2js(p_key_type, p_key_ex); try { obj[key] = GodotJSWrapper.variant2js(p_val_type, p_val_ex); return 0 } catch (e) { GodotRuntime.error(`Error setting variable ${key} on object`, obj); return -1 } }

            function _godot_js_wrapper_object_unref(p_id) { const proxy = IDHandler.get(p_id); if (proxy !== undefined) { proxy.unref() } }
            var GodotWebXR = {
                gl: null,
                texture_ids: [null, null],
                textures: [null, null],
                session: null,
                space: null,
                frame: null,
                pose: null,
                orig_requestAnimationFrame: null,
                requestAnimationFrame: callback => {
                    if (GodotWebXR.session && GodotWebXR.space) {
                        const onFrame = function(time, frame) {
                            GodotWebXR.frame = frame;
                            GodotWebXR.pose = frame.getViewerPose(GodotWebXR.space);
                            callback(time);
                            GodotWebXR.frame = null;
                            GodotWebXR.pose = null
                        };
                        GodotWebXR.session.requestAnimationFrame(onFrame)
                    } else { GodotWebXR.orig_requestAnimationFrame(callback) }
                },
                monkeyPatchRequestAnimationFrame: enable => {
                    if (GodotWebXR.orig_requestAnimationFrame === null) { GodotWebXR.orig_requestAnimationFrame = Browser.requestAnimationFrame }
                    Browser.requestAnimationFrame = enable ? GodotWebXR.requestAnimationFrame : GodotWebXR.orig_requestAnimationFrame
                },
                pauseResumeMainLoop: () => {
                    Browser.mainLoop.pause();
                    window.setTimeout(function() { Browser.mainLoop.resume() }, 0)
                },
                shaderProgram: null,
                programInfo: null,
                buffer: null,
                vsSource: "\n\t\t\tconst vec2 scale = vec2(0.5, 0.5);\n\t\t\tattribute vec4 aVertexPosition;\n\n\t\t\tvarying highp vec2 vTextureCoord;\n\n\t\t\tvoid main () {\n\t\t\t\tgl_Position = aVertexPosition;\n\t\t\t\tvTextureCoord = aVertexPosition.xy * scale + scale;\n\t\t\t}\n\t\t",
                fsSource: "\n\t\t\tvarying highp vec2 vTextureCoord;\n\n\t\t\tuniform sampler2D uSampler;\n\n\t\t\tvoid main() {\n\t\t\t\tgl_FragColor = texture2D(uSampler, vTextureCoord);\n\t\t\t}\n\t\t",
                initShaderProgram: (gl, vsSource, fsSource) => {
                    const vertexShader = GodotWebXR.loadShader(gl, gl.VERTEX_SHADER, vsSource);
                    const fragmentShader = GodotWebXR.loadShader(gl, gl.FRAGMENT_SHADER, fsSource);
                    const shaderProgram = gl.createProgram();
                    gl.attachShader(shaderProgram, vertexShader);
                    gl.attachShader(shaderProgram, fragmentShader);
                    gl.linkProgram(shaderProgram);
                    if (!gl.getProgramParameter(shaderProgram, gl.LINK_STATUS)) { GodotRuntime.error(`Unable to initialize the shader program: ${gl.getProgramInfoLog(shaderProgram)}`); return null }
                    return shaderProgram
                },
                loadShader: (gl, type, source) => {
                    const shader = gl.createShader(type);
                    gl.shaderSource(shader, source);
                    gl.compileShader(shader);
                    if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
                        GodotRuntime.error(`An error occurred compiling the shader: ${gl.getShaderInfoLog(shader)}`);
                        gl.deleteShader(shader);
                        return null
                    }
                    return shader
                },
                initBuffer: gl => {
                    const positionBuffer = gl.createBuffer();
                    gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
                    const positions = [-1, -1, 1, -1, -1, 1, 1, 1];
                    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
                    return positionBuffer
                },
                blitTexture: (gl, texture) => {
                    if (GodotWebXR.shaderProgram === null) {
                        GodotWebXR.shaderProgram = GodotWebXR.initShaderProgram(gl, GodotWebXR.vsSource, GodotWebXR.fsSource);
                        GodotWebXR.programInfo = { program: GodotWebXR.shaderProgram, attribLocations: { vertexPosition: gl.getAttribLocation(GodotWebXR.shaderProgram, "aVertexPosition") }, uniformLocations: { uSampler: gl.getUniformLocation(GodotWebXR.shaderProgram, "uSampler") } };
                        GodotWebXR.buffer = GodotWebXR.initBuffer(gl)
                    }
                    const orig_program = gl.getParameter(gl.CURRENT_PROGRAM);
                    gl.useProgram(GodotWebXR.shaderProgram);
                    gl.bindBuffer(gl.ARRAY_BUFFER, GodotWebXR.buffer);
                    gl.vertexAttribPointer(GodotWebXR.programInfo.attribLocations.vertexPosition, 2, gl.FLOAT, false, 0, 0);
                    gl.enableVertexAttribArray(GodotWebXR.programInfo.attribLocations.vertexPosition);
                    gl.activeTexture(gl.TEXTURE0);
                    gl.bindTexture(gl.TEXTURE_2D, texture);
                    gl.uniform1i(GodotWebXR.programInfo.uniformLocations.uSampler, 0);
                    gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
                    gl.bindTexture(gl.TEXTURE_2D, null);
                    gl.disableVertexAttribArray(GodotWebXR.programInfo.attribLocations.vertexPosition);
                    gl.bindBuffer(gl.ARRAY_BUFFER, null);
                    gl.useProgram(orig_program)
                },
                controllers: [],
                sampleControllers: () => {
                    if (!GodotWebXR.session || !GodotWebXR.frame) { return }
                    let other_index = 2;
                    const controllers = [];
                    GodotWebXR.session.inputSources.forEach(input_source => { if (input_source.targetRayMode === "tracked-pointer") { if (input_source.handedness === "right") { controllers[1] = input_source } else if (input_source.handedness === "left" || !controllers[0]) { controllers[0] = input_source } } else { controllers[other_index++] = input_source } });
                    GodotWebXR.controllers = controllers
                },
                getControllerId: input_source => GodotWebXR.controllers.indexOf(input_source)
            };

            function _godot_webxr_commit_for_eye(p_eye) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(47, 1, p_eye);
                if (!GodotWebXR.session || !GodotWebXR.pose) { return }
                const view_index = p_eye === 2 ? 1 : 0;
                const glLayer = GodotWebXR.session.renderState.baseLayer;
                const view = GodotWebXR.pose.views[view_index];
                const viewport = glLayer.getViewport(view);
                const gl = GodotWebXR.gl;
                const orig_framebuffer = gl.getParameter(gl.FRAMEBUFFER_BINDING);
                const orig_viewport = gl.getParameter(gl.VIEWPORT);
                gl.bindFramebuffer(gl.FRAMEBUFFER, glLayer.framebuffer);
                gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
                GodotWebXR.blitTexture(gl, GodotWebXR.textures[view_index]);
                gl.bindFramebuffer(gl.FRAMEBUFFER, orig_framebuffer);
                gl.viewport(orig_viewport[0], orig_viewport[1], orig_viewport[2], orig_viewport[3])
            }

            function _godot_webxr_get_bounds_geometry() {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(48, 1);
                if (!GodotWebXR.space || !GodotWebXR.space.boundsGeometry) { return 0 }
                const point_count = GodotWebXR.space.boundsGeometry.length;
                if (point_count === 0) { return 0 }
                const buf = GodotRuntime.malloc((point_count * 3 + 1) * 4);
                GodotRuntime.setHeapValue(buf, point_count, "i32");
                for (let i = 0; i < point_count; i++) {
                    const point = GodotWebXR.space.boundsGeometry[i];
                    GodotRuntime.setHeapValue(buf + (i * 3 + 1) * 4, point.x, "float");
                    GodotRuntime.setHeapValue(buf + (i * 3 + 2) * 4, point.y, "float");
                    GodotRuntime.setHeapValue(buf + (i * 3 + 3) * 4, point.z, "float")
                }
                return buf
            }

            function _godot_webxr_get_controller_axes(p_controller) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(49, 1, p_controller);
                if (GodotWebXR.controllers.length === 0) { return 0 }
                const controller = GodotWebXR.controllers[p_controller];
                if (!controller || !controller.gamepad) { return 0 }
                const axes_count = controller.gamepad.axes.length;
                const buf = GodotRuntime.malloc((axes_count + 1) * 4);
                GodotRuntime.setHeapValue(buf, axes_count, "i32");
                for (let i = 0; i < axes_count; i++) {
                    let value = controller.gamepad.axes[i];
                    if (i === 1 || i === 3) { value *= -1 }
                    GodotRuntime.setHeapValue(buf + 4 + i * 4, value, "float")
                }
                return buf
            }

            function _godot_webxr_get_controller_buttons(p_controller) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(50, 1, p_controller);
                if (GodotWebXR.controllers.length === 0) { return 0 }
                const controller = GodotWebXR.controllers[p_controller];
                if (!controller || !controller.gamepad) { return 0 }
                const button_count = controller.gamepad.buttons.length;
                const buf = GodotRuntime.malloc((button_count + 1) * 4);
                GodotRuntime.setHeapValue(buf, button_count, "i32");
                for (let i = 0; i < button_count; i++) { GodotRuntime.setHeapValue(buf + 4 + i * 4, controller.gamepad.buttons[i].value, "float") }
                return buf
            }

            function _godot_webxr_get_controller_count() { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(51, 1); if (!GodotWebXR.session || !GodotWebXR.frame) { return 0 } return GodotWebXR.controllers.length }

            function _godot_webxr_get_controller_transform(p_controller) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(52, 1, p_controller); if (!GodotWebXR.session || !GodotWebXR.frame) { return 0 } const controller = GodotWebXR.controllers[p_controller]; if (!controller) { return 0 } const frame = GodotWebXR.frame; const space = GodotWebXR.space; const pose = frame.getPose(controller.targetRaySpace, space); if (!pose) { return 0 } const matrix = pose.transform.matrix; const buf = GodotRuntime.malloc(16 * 4); for (let i = 0; i < 16; i++) { GodotRuntime.setHeapValue(buf + i * 4, matrix[i], "float") } return buf }

            function _godot_webxr_get_external_texture_for_eye(p_eye) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(53, 1, p_eye);
                if (!GodotWebXR.session) { return 0 }
                const view_index = p_eye === 2 ? 1 : 0;
                if (GodotWebXR.texture_ids[view_index]) { return GodotWebXR.texture_ids[view_index] }
                if (!GodotWebXR.pose) { return 0 }
                const glLayer = GodotWebXR.session.renderState.baseLayer;
                const view = GodotWebXR.pose.views[view_index];
                const viewport = glLayer.getViewport(view);
                const gl = GodotWebXR.gl;
                const texture = gl.createTexture();
                gl.bindTexture(gl.TEXTURE_2D, texture);
                gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, viewport.width, viewport.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
                gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
                gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
                gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
                gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
                gl.bindTexture(gl.TEXTURE_2D, null);
                const texture_id = GL.getNewId(GL.textures);
                GL.textures[texture_id] = texture;
                GodotWebXR.textures[view_index] = texture;
                GodotWebXR.texture_ids[view_index] = texture_id;
                return texture_id
            }

            function _godot_webxr_get_projection_for_eye(p_eye) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(54, 1, p_eye); if (!GodotWebXR.session || !GodotWebXR.pose) { return 0 } const view_index = p_eye === 2 ? 1 : 0; const matrix = GodotWebXR.pose.views[view_index].projectionMatrix; const buf = GodotRuntime.malloc(16 * 4); for (let i = 0; i < 16; i++) { GodotRuntime.setHeapValue(buf + i * 4, matrix[i], "float") } return buf }

            function _godot_webxr_get_render_targetsize() {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(55, 1);
                if (!GodotWebXR.session || !GodotWebXR.pose) { return 0 }
                const glLayer = GodotWebXR.session.renderState.baseLayer;
                const view = GodotWebXR.pose.views[0];
                const viewport = glLayer.getViewport(view);
                const buf = GodotRuntime.malloc(2 * 4);
                GodotRuntime.setHeapValue(buf + 0, viewport.width, "i32");
                GodotRuntime.setHeapValue(buf + 4, viewport.height, "i32");
                return buf
            }

            function _godot_webxr_get_transform_for_eye(p_eye) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(56, 1, p_eye); if (!GodotWebXR.session || !GodotWebXR.pose) { return 0 } const views = GodotWebXR.pose.views; let matrix; if (p_eye === 0) { matrix = GodotWebXR.pose.transform.matrix } else { matrix = views[p_eye - 1].transform.matrix } const buf = GodotRuntime.malloc(16 * 4); for (let i = 0; i < 16; i++) { GodotRuntime.setHeapValue(buf + i * 4, matrix[i], "float") } return buf }

            function _godot_webxr_get_view_count() { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(57, 1); if (!GodotWebXR.session || !GodotWebXR.pose) { return 0 } return GodotWebXR.pose.views.length }

            function _godot_webxr_get_visibility_state() { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(58, 1); if (!GodotWebXR.session || !GodotWebXR.session.visibilityState) { return 0 } return GodotRuntime.allocString(GodotWebXR.session.visibilityState) }

            function _godot_webxr_initialize(p_session_mode, p_required_features, p_optional_features, p_requested_reference_spaces, p_on_session_started, p_on_session_ended, p_on_session_failed, p_on_controller_changed, p_on_input_event, p_on_simple_event) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(59, 1, p_session_mode, p_required_features, p_optional_features, p_requested_reference_spaces, p_on_session_started, p_on_session_ended, p_on_session_failed, p_on_controller_changed, p_on_input_event, p_on_simple_event);
                GodotWebXR.monkeyPatchRequestAnimationFrame(true);
                const session_mode = GodotRuntime.parseString(p_session_mode);
                const required_features = GodotRuntime.parseString(p_required_features).split(",").map(s => s.trim()).filter(s => s !== "");
                const optional_features = GodotRuntime.parseString(p_optional_features).split(",").map(s => s.trim()).filter(s => s !== "");
                const requested_reference_space_types = GodotRuntime.parseString(p_requested_reference_spaces).split(",").map(s => s.trim());
                const onstarted = GodotRuntime.get_func(p_on_session_started);
                const onended = GodotRuntime.get_func(p_on_session_ended);
                const onfailed = GodotRuntime.get_func(p_on_session_failed);
                const oncontroller = GodotRuntime.get_func(p_on_controller_changed);
                const oninputevent = GodotRuntime.get_func(p_on_input_event);
                const onsimpleevent = GodotRuntime.get_func(p_on_simple_event);
                const session_init = {};
                if (required_features.length > 0) { session_init["requiredFeatures"] = required_features }
                if (optional_features.length > 0) { session_init["optionalFeatures"] = optional_features }
                navigator.xr.requestSession(session_mode, session_init).then(function(session) {
                    GodotWebXR.session = session;
                    session.addEventListener("end", function(evt) { onended() });
                    session.addEventListener("inputsourceschange", function(evt) {
                        let controller_changed = false;
                        [evt.added, evt.removed].forEach(lst => { lst.forEach(input_source => { if (input_source.targetRayMode === "tracked-pointer") { controller_changed = true } }) });
                        if (controller_changed) { oncontroller() }
                    });
                    ["selectstart", "select", "selectend", "squeezestart", "squeeze", "squeezeend"].forEach(input_event => {
                        session.addEventListener(input_event, function(evt) {
                            const c_str = GodotRuntime.allocString(input_event);
                            oninputevent(c_str, GodotWebXR.getControllerId(evt.inputSource));
                            GodotRuntime.free(c_str)
                        })
                    });
                    session.addEventListener("visibilitychange", function(evt) {
                        const c_str = GodotRuntime.allocString("visibility_state_changed");
                        onsimpleevent(c_str);
                        GodotRuntime.free(c_str)
                    });
                    const gl_context_handle = _emscripten_webgl_get_current_context();
                    const gl = GL.getContext(gl_context_handle).GLctx;
                    GodotWebXR.gl = gl;
                    gl.makeXRCompatible().then(function() {
                        session.updateRenderState({ baseLayer: new XRWebGLLayer(session, gl) });

                        function onReferenceSpaceSuccess(reference_space, reference_space_type) {
                            GodotWebXR.space = reference_space;
                            reference_space.onreset = function(evt) {
                                const c_str = GodotRuntime.allocString("reference_space_reset");
                                onsimpleevent(c_str);
                                GodotRuntime.free(c_str)
                            };
                            GodotWebXR.pauseResumeMainLoop();
                            window.setTimeout(function() {
                                const c_str = GodotRuntime.allocString(reference_space_type);
                                onstarted(c_str);
                                GodotRuntime.free(c_str)
                            }, 0)
                        }

                        function requestReferenceSpace() {
                            const reference_space_type = requested_reference_space_types.shift();
                            session.requestReferenceSpace(reference_space_type).then(refSpace => { onReferenceSpaceSuccess(refSpace, reference_space_type) }).catch(() => {
                                if (requested_reference_space_types.length === 0) {
                                    const c_str = GodotRuntime.allocString("Unable to get any of the requested reference space types");
                                    onfailed(c_str);
                                    GodotRuntime.free(c_str)
                                } else { requestReferenceSpace() }
                            })
                        }
                        requestReferenceSpace()
                    }).catch(function(error) {
                        const c_str = GodotRuntime.allocString(`Unable to make WebGL context compatible with WebXR: ${error}`);
                        onfailed(c_str);
                        GodotRuntime.free(c_str)
                    })
                }).catch(function(error) {
                    const c_str = GodotRuntime.allocString(`Unable to start session: ${error}`);
                    onfailed(c_str);
                    GodotRuntime.free(c_str)
                })
            }

            function _godot_webxr_is_controller_connected(p_controller) { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(60, 1, p_controller); if (!GodotWebXR.session || !GodotWebXR.frame) { return false } return !!GodotWebXR.controllers[p_controller] }

            function _godot_webxr_is_session_supported(p_session_mode, p_callback) {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(61, 1, p_session_mode, p_callback);
                const session_mode = GodotRuntime.parseString(p_session_mode);
                const cb = GodotRuntime.get_func(p_callback);
                if (navigator.xr) {
                    navigator.xr.isSessionSupported(session_mode).then(function(supported) {
                        const c_str = GodotRuntime.allocString(session_mode);
                        cb(c_str, supported ? 1 : 0);
                        GodotRuntime.free(c_str)
                    })
                } else {
                    const c_str = GodotRuntime.allocString(session_mode);
                    cb(c_str, 0);
                    GodotRuntime.free(c_str)
                }
            }

            function _godot_webxr_is_supported() { if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(62, 1); return !!navigator.xr }

            function _godot_webxr_sample_controller_data() {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(63, 1);
                GodotWebXR.sampleControllers()
            }

            function _godot_webxr_uninitialize() {
                if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(64, 1);
                if (GodotWebXR.session) { GodotWebXR.session.end().catch(e => {}) }
                const gl = GodotWebXR.gl;
                for (let i = 0; i < GodotWebXR.textures.length; i++) {
                    const texture = GodotWebXR.textures[i];
                    if (texture !== null) { gl.deleteTexture(texture) }
                    GodotWebXR.textures[i] = null;
                    const texture_id = GodotWebXR.texture_ids[i];
                    if (texture_id !== null) { GL.textures[texture_id] = null }
                    GodotWebXR.texture_ids[i] = null
                }
                GodotWebXR.session = null;
                GodotWebXR.space = null;
                GodotWebXR.frame = null;
                GodotWebXR.pose = null;
                GodotWebXR.monkeyPatchRequestAnimationFrame(false);
                GodotWebXR.pauseResumeMainLoop()
            }

            function _setTempRet0(val) { setTempRet0(val) }

            function __isLeapYear(year) { return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0) }

            function __arraySum(array, index) { var sum = 0; for (var i = 0; i <= index; sum += array[i++]) {} return sum }
            var __MONTH_DAYS_LEAP = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
            var __MONTH_DAYS_REGULAR = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

            function __addDays(date, days) {
                var newDate = new Date(date.getTime());
                while (days > 0) {
                    var leap = __isLeapYear(newDate.getFullYear());
                    var currentMonth = newDate.getMonth();
                    var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth];
                    if (days > daysInCurrentMonth - newDate.getDate()) {
                        days -= daysInCurrentMonth - newDate.getDate() + 1;
                        newDate.setDate(1);
                        if (currentMonth < 11) { newDate.setMonth(currentMonth + 1) } else {
                            newDate.setMonth(0);
                            newDate.setFullYear(newDate.getFullYear() + 1)
                        }
                    } else { newDate.setDate(newDate.getDate() + days); return newDate }
                }
                return newDate
            }

            function _strftime(s, maxsize, format, tm) {
                var tm_zone = GROWABLE_HEAP_I32()[tm + 40 >> 2];
                var date = { tm_sec: GROWABLE_HEAP_I32()[tm >> 2], tm_min: GROWABLE_HEAP_I32()[tm + 4 >> 2], tm_hour: GROWABLE_HEAP_I32()[tm + 8 >> 2], tm_mday: GROWABLE_HEAP_I32()[tm + 12 >> 2], tm_mon: GROWABLE_HEAP_I32()[tm + 16 >> 2], tm_year: GROWABLE_HEAP_I32()[tm + 20 >> 2], tm_wday: GROWABLE_HEAP_I32()[tm + 24 >> 2], tm_yday: GROWABLE_HEAP_I32()[tm + 28 >> 2], tm_isdst: GROWABLE_HEAP_I32()[tm + 32 >> 2], tm_gmtoff: GROWABLE_HEAP_I32()[tm + 36 >> 2], tm_zone: tm_zone ? UTF8ToString(tm_zone) : "" };
                var pattern = UTF8ToString(format);
                var EXPANSION_RULES_1 = { "%c": "%a %b %d %H:%M:%S %Y", "%D": "%m/%d/%y", "%F": "%Y-%m-%d", "%h": "%b", "%r": "%I:%M:%S %p", "%R": "%H:%M", "%T": "%H:%M:%S", "%x": "%m/%d/%y", "%X": "%H:%M:%S", "%Ec": "%c", "%EC": "%C", "%Ex": "%m/%d/%y", "%EX": "%H:%M:%S", "%Ey": "%y", "%EY": "%Y", "%Od": "%d", "%Oe": "%e", "%OH": "%H", "%OI": "%I", "%Om": "%m", "%OM": "%M", "%OS": "%S", "%Ou": "%u", "%OU": "%U", "%OV": "%V", "%Ow": "%w", "%OW": "%W", "%Oy": "%y" };
                for (var rule in EXPANSION_RULES_1) { pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_1[rule]) }
                var WEEKDAYS = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
                var MONTHS = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];

                function leadingSomething(value, digits, character) { var str = typeof value == "number" ? value.toString() : value || ""; while (str.length < digits) { str = character[0] + str } return str }

                function leadingNulls(value, digits) { return leadingSomething(value, digits, "0") }

                function compareByDay(date1, date2) {
                    function sgn(value) { return value < 0 ? -1 : value > 0 ? 1 : 0 }
                    var compare;
                    if ((compare = sgn(date1.getFullYear() - date2.getFullYear())) === 0) { if ((compare = sgn(date1.getMonth() - date2.getMonth())) === 0) { compare = sgn(date1.getDate() - date2.getDate()) } }
                    return compare
                }

                function getFirstWeekStartDate(janFourth) {
                    switch (janFourth.getDay()) {
                        case 0:
                            return new Date(janFourth.getFullYear() - 1, 11, 29);
                        case 1:
                            return janFourth;
                        case 2:
                            return new Date(janFourth.getFullYear(), 0, 3);
                        case 3:
                            return new Date(janFourth.getFullYear(), 0, 2);
                        case 4:
                            return new Date(janFourth.getFullYear(), 0, 1);
                        case 5:
                            return new Date(janFourth.getFullYear() - 1, 11, 31);
                        case 6:
                            return new Date(janFourth.getFullYear() - 1, 11, 30)
                    }
                }

                function getWeekBasedYear(date) { var thisDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday); var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4); var janFourthNextYear = new Date(thisDate.getFullYear() + 1, 0, 4); var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear); var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear); if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) { if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) { return thisDate.getFullYear() + 1 } else { return thisDate.getFullYear() } } else { return thisDate.getFullYear() - 1 } }
                var EXPANSION_RULES_2 = {
                    "%a": function(date) { return WEEKDAYS[date.tm_wday].substring(0, 3) },
                    "%A": function(date) { return WEEKDAYS[date.tm_wday] },
                    "%b": function(date) { return MONTHS[date.tm_mon].substring(0, 3) },
                    "%B": function(date) { return MONTHS[date.tm_mon] },
                    "%C": function(date) { var year = date.tm_year + 1900; return leadingNulls(year / 100 | 0, 2) },
                    "%d": function(date) { return leadingNulls(date.tm_mday, 2) },
                    "%e": function(date) { return leadingSomething(date.tm_mday, 2, " ") },
                    "%g": function(date) { return getWeekBasedYear(date).toString().substring(2) },
                    "%G": function(date) { return getWeekBasedYear(date) },
                    "%H": function(date) { return leadingNulls(date.tm_hour, 2) },
                    "%I": function(date) {
                        var twelveHour = date.tm_hour;
                        if (twelveHour == 0) twelveHour = 12;
                        else if (twelveHour > 12) twelveHour -= 12;
                        return leadingNulls(twelveHour, 2)
                    },
                    "%j": function(date) { return leadingNulls(date.tm_mday + __arraySum(__isLeapYear(date.tm_year + 1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon - 1), 3) },
                    "%m": function(date) { return leadingNulls(date.tm_mon + 1, 2) },
                    "%M": function(date) { return leadingNulls(date.tm_min, 2) },
                    "%n": function() { return "\n" },
                    "%p": function(date) { if (date.tm_hour >= 0 && date.tm_hour < 12) { return "AM" } else { return "PM" } },
                    "%S": function(date) { return leadingNulls(date.tm_sec, 2) },
                    "%t": function() { return "\t" },
                    "%u": function(date) { return date.tm_wday || 7 },
                    "%U": function(date) { var janFirst = new Date(date.tm_year + 1900, 0, 1); var firstSunday = janFirst.getDay() === 0 ? janFirst : __addDays(janFirst, 7 - janFirst.getDay()); var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday); if (compareByDay(firstSunday, endDate) < 0) { var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31; var firstSundayUntilEndJanuary = 31 - firstSunday.getDate(); var days = firstSundayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate(); return leadingNulls(Math.ceil(days / 7), 2) } return compareByDay(firstSunday, janFirst) === 0 ? "01" : "00" },
                    "%V": function(date) { var janFourthThisYear = new Date(date.tm_year + 1900, 0, 4); var janFourthNextYear = new Date(date.tm_year + 1901, 0, 4); var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear); var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear); var endDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday); if (compareByDay(endDate, firstWeekStartThisYear) < 0) { return "53" } if (compareByDay(firstWeekStartNextYear, endDate) <= 0) { return "01" } var daysDifference; if (firstWeekStartThisYear.getFullYear() < date.tm_year + 1900) { daysDifference = date.tm_yday + 32 - firstWeekStartThisYear.getDate() } else { daysDifference = date.tm_yday + 1 - firstWeekStartThisYear.getDate() } return leadingNulls(Math.ceil(daysDifference / 7), 2) },
                    "%w": function(date) { return date.tm_wday },
                    "%W": function(date) { var janFirst = new Date(date.tm_year, 0, 1); var firstMonday = janFirst.getDay() === 1 ? janFirst : __addDays(janFirst, janFirst.getDay() === 0 ? 1 : 7 - janFirst.getDay() + 1); var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday); if (compareByDay(firstMonday, endDate) < 0) { var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31; var firstMondayUntilEndJanuary = 31 - firstMonday.getDate(); var days = firstMondayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate(); return leadingNulls(Math.ceil(days / 7), 2) } return compareByDay(firstMonday, janFirst) === 0 ? "01" : "00" },
                    "%y": function(date) { return (date.tm_year + 1900).toString().substring(2) },
                    "%Y": function(date) { return date.tm_year + 1900 },
                    "%z": function(date) {
                        var off = date.tm_gmtoff;
                        var ahead = off >= 0;
                        off = Math.abs(off) / 60;
                        off = off / 60 * 100 + off % 60;
                        return (ahead ? "+" : "-") + String("0000" + off).slice(-4)
                    },
                    "%Z": function(date) { return date.tm_zone },
                    "%%": function() { return "%" }
                };
                pattern = pattern.replace(/%%/g, "\0\0");
                for (var rule in EXPANSION_RULES_2) { if (pattern.includes(rule)) { pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_2[rule](date)) } }
                pattern = pattern.replace(/\0\0/g, "%");
                var bytes = intArrayFromString(pattern, false);
                if (bytes.length > maxsize) { return 0 }
                writeArrayToMemory(bytes, s);
                return bytes.length - 1
            }

            function _strftime_l(s, maxsize, format, tm) { return _strftime(s, maxsize, format, tm) }

            function _time(ptr) { var ret = Date.now() / 1e3 | 0; if (ptr) { GROWABLE_HEAP_I32()[ptr >> 2] = ret } return ret }
            PThread.init();
            var FSNode = function(parent, name, mode, rdev) {
                if (!parent) { parent = this }
                this.parent = parent;
                this.mount = parent.mount;
                this.mounted = null;
                this.id = FS.nextInode++;
                this.name = name;
                this.mode = mode;
                this.node_ops = {};
                this.stream_ops = {};
                this.rdev = rdev
            };
            var readMode = 292 | 73;
            var writeMode = 146;
            Object.defineProperties(FSNode.prototype, { read: { get: function() { return (this.mode & readMode) === readMode }, set: function(val) { val ? this.mode |= readMode : this.mode &= ~readMode } }, write: { get: function() { return (this.mode & writeMode) === writeMode }, set: function(val) { val ? this.mode |= writeMode : this.mode &= ~writeMode } }, isFolder: { get: function() { return FS.isDir(this.mode) } }, isDevice: { get: function() { return FS.isChrdev(this.mode) } } });
            FS.FSNode = FSNode;
            FS.staticInit();
            Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas) { Browser.requestFullscreen(lockPointer, resizeCanvas) };
            Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) { Browser.requestAnimationFrame(func) };
            Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) };
            Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.pause() };
            Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop.resume() };
            Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia() };
            Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) { return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes) };
            var GLctx;
            for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));
            var miniTempWebGLFloatBuffersStorage = new Float32Array(288);
            for (var i = 0; i < 288; ++i) { miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i + 1) }
            var __miniTempWebGLIntBuffersStorage = new Int32Array(288);
            for (var i = 0; i < 288; ++i) { __miniTempWebGLIntBuffers[i] = __miniTempWebGLIntBuffersStorage.subarray(0, i + 1) }
            Module["request_quit"] = function() { GodotOS.request_quit() };
            Module["onExit"] = GodotOS.cleanup;
            GodotOS._fs_sync_promise = Promise.resolve();
            Module["initConfig"] = GodotConfig.init_config;
            Module["initFS"] = GodotFS.init;
            Module["copyToFS"] = GodotFS.copy_to_fs;
            ERRNO_CODES = { "EPERM": 63, "ENOENT": 44, "ESRCH": 71, "EINTR": 27, "EIO": 29, "ENXIO": 60, "E2BIG": 1, "ENOEXEC": 45, "EBADF": 8, "ECHILD": 12, "EAGAIN": 6, "EWOULDBLOCK": 6, "ENOMEM": 48, "EACCES": 2, "EFAULT": 21, "ENOTBLK": 105, "EBUSY": 10, "EEXIST": 20, "EXDEV": 75, "ENODEV": 43, "ENOTDIR": 54, "EISDIR": 31, "EINVAL": 28, "ENFILE": 41, "EMFILE": 33, "ENOTTY": 59, "ETXTBSY": 74, "EFBIG": 22, "ENOSPC": 51, "ESPIPE": 70, "EROFS": 69, "EMLINK": 34, "EPIPE": 64, "EDOM": 18, "ERANGE": 68, "ENOMSG": 49, "EIDRM": 24, "ECHRNG": 106, "EL2NSYNC": 156, "EL3HLT": 107, "EL3RST": 108, "ELNRNG": 109, "EUNATCH": 110, "ENOCSI": 111, "EL2HLT": 112, "EDEADLK": 16, "ENOLCK": 46, "EBADE": 113, "EBADR": 114, "EXFULL": 115, "ENOANO": 104, "EBADRQC": 103, "EBADSLT": 102, "EDEADLOCK": 16, "EBFONT": 101, "ENOSTR": 100, "ENODATA": 116, "ETIME": 117, "ENOSR": 118, "ENONET": 119, "ENOPKG": 120, "EREMOTE": 121, "ENOLINK": 47, "EADV": 122, "ESRMNT": 123, "ECOMM": 124, "EPROTO": 65, "EMULTIHOP": 36, "EDOTDOT": 125, "EBADMSG": 9, "ENOTUNIQ": 126, "EBADFD": 127, "EREMCHG": 128, "ELIBACC": 129, "ELIBBAD": 130, "ELIBSCN": 131, "ELIBMAX": 132, "ELIBEXEC": 133, "ENOSYS": 52, "ENOTEMPTY": 55, "ENAMETOOLONG": 37, "ELOOP": 32, "EOPNOTSUPP": 138, "EPFNOSUPPORT": 139, "ECONNRESET": 15, "ENOBUFS": 42, "EAFNOSUPPORT": 5, "EPROTOTYPE": 67, "ENOTSOCK": 57, "ENOPROTOOPT": 50, "ESHUTDOWN": 140, "ECONNREFUSED": 14, "EADDRINUSE": 3, "ECONNABORTED": 13, "ENETUNREACH": 40, "ENETDOWN": 38, "ETIMEDOUT": 73, "EHOSTDOWN": 142, "EHOSTUNREACH": 23, "EINPROGRESS": 26, "EALREADY": 7, "EDESTADDRREQ": 17, "EMSGSIZE": 35, "EPROTONOSUPPORT": 66, "ESOCKTNOSUPPORT": 137, "EADDRNOTAVAIL": 4, "ENETRESET": 39, "EISCONN": 30, "ENOTCONN": 53, "ETOOMANYREFS": 141, "EUSERS": 136, "EDQUOT": 19, "ESTALE": 72, "ENOTSUP": 138, "ENOMEDIUM": 148, "EILSEQ": 25, "EOVERFLOW": 61, "ECANCELED": 11, "ENOTRECOVERABLE": 56, "EOWNERDEAD": 62, "ESTRPIPE": 135 };
            GodotOS.atexit(function(resolve, reject) {
                GodotDisplayCursor.clear();
                resolve()
            });
            GodotOS.atexit(function(resolve, reject) {
                GodotEventListeners.clear();
                resolve()
            });
            GodotOS.atexit(function(resolve, reject) {
                GodotDisplayVK.clear();
                resolve()
            });
            GodotJSWrapper.proxies = new Map;
            var proxiedFunctionTable = [null, exitOnMainThread, ___syscall__newselect, ___syscall_accept4, ___syscall_bind, ___syscall_chdir, ___syscall_chmod, ___syscall_connect, ___syscall_faccessat, ___syscall_fcntl64, ___syscall_fstat64, ___syscall_fstatat64, ___syscall_getcwd, ___syscall_getdents64, ___syscall_getsockname, ___syscall_getsockopt, ___syscall_ioctl, ___syscall_listen, ___syscall_lstat64, ___syscall_mkdir, ___syscall_open, ___syscall_poll, ___syscall_readlink, ___syscall_recvfrom, ___syscall_rename, ___syscall_rmdir, ___syscall_sendto, ___syscall_socket, ___syscall_stat64, ___syscall_statfs64, ___syscall_symlink, ___syscall_unlink, _tzset_impl, _emscripten_force_exit, _emscripten_set_canvas_element_size_main_thread, _emscripten_webgl_destroy_context, _environ_get, _environ_sizes_get, _fd_close, _fd_fdstat_get, _fd_read, _fd_seek, _fd_write, _getaddrinfo, _godot_audio_capture_start, _godot_audio_capture_stop, _godot_audio_is_available, _godot_webxr_commit_for_eye, _godot_webxr_get_bounds_geometry, _godot_webxr_get_controller_axes, _godot_webxr_get_controller_buttons, _godot_webxr_get_controller_count, _godot_webxr_get_controller_transform, _godot_webxr_get_external_texture_for_eye, _godot_webxr_get_projection_for_eye, _godot_webxr_get_render_targetsize, _godot_webxr_get_transform_for_eye, _godot_webxr_get_view_count, _godot_webxr_get_visibility_state, _godot_webxr_initialize, _godot_webxr_is_controller_connected, _godot_webxr_is_session_supported, _godot_webxr_is_supported, _godot_webxr_sample_controller_data, _godot_webxr_uninitialize];

            function intArrayFromString(stringy, dontAddNull, length) { var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1; var u8array = new Array(len); var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); if (dontAddNull) u8array.length = numBytesWritten; return u8array }
            var asmLibraryArg = { "b": ___assert_fail, "Sh": ___call_sighandler, "m": ___cxa_allocate_exception, "l": ___cxa_throw, "Rh": ___emscripten_init_main_thread_js, "Le": ___emscripten_thread_cleanup, "Ke": ___pthread_create_js, "Qh": ___syscall__newselect, "Ph": ___syscall_accept4, "Oh": ___syscall_bind, "Nh": ___syscall_chdir, "Mh": ___syscall_chmod, "Lh": ___syscall_connect, "Kh": ___syscall_faccessat, "f": ___syscall_fcntl64, "Jh": ___syscall_fstatat64, "Ih": ___syscall_getcwd, "Hh": ___syscall_getdents64, "Gh": ___syscall_getsockname, "Fh": ___syscall_getsockopt, "Je": ___syscall_ioctl, "Eh": ___syscall_listen, "Dh": ___syscall_lstat64, "Ch": ___syscall_mkdir, "Ie": ___syscall_open, "Bh": ___syscall_poll, "Ah": ___syscall_readlink, "zh": ___syscall_recvfrom, "yh": ___syscall_rename, "xh": ___syscall_rmdir, "wh": ___syscall_sendto, "He": ___syscall_socket, "vh": ___syscall_stat64, "uh": ___syscall_statfs64, "th": ___syscall_symlink, "sh": ___syscall_unlink, "Fe": __dlopen_js, "oh": __dlsym_js, "nh": __emscripten_default_pthread_stack_size, "mh": __emscripten_notify_thread_queue, "lh": __emscripten_proxied_gl_context_activated_from_main_browser_thread, "kh": __emscripten_throw_longjmp, "jh": __gmtime_js, "ih": __localtime_js, "hh": __tzset_js, "q": _abort, "p": _clock_gettime, "Ee": _emscripten_cancel_main_loop, "De": _emscripten_check_blocking_allowed, "gh": _emscripten_console_error, "fh": _emscripten_force_exit, "eh": _emscripten_get_heap_max, "h": _emscripten_get_now, "Ce": _emscripten_glActiveTexture, "Be": _emscripten_glAttachShader, "Ae": _emscripten_glBeginQuery, "ze": _emscripten_glBeginQueryEXT, "ye": _emscripten_glBeginTransformFeedback, "xe": _emscripten_glBindAttribLocation, "we": _emscripten_glBindBuffer, "ve": _emscripten_glBindBufferBase, "ue": _emscripten_glBindBufferRange, "te": _emscripten_glBindFramebuffer, "se": _emscripten_glBindRenderbuffer, "re": _emscripten_glBindSampler, "qe": _emscripten_glBindTexture, "pe": _emscripten_glBindTransformFeedback, "oe": _emscripten_glBindVertexArray, "ne": _emscripten_glBlendColor, "me": _emscripten_glBlendEquation, "le": _emscripten_glBlendEquationSeparate, "ke": _emscripten_glBlendFunc, "je": _emscripten_glBlendFuncSeparate, "ie": _emscripten_glBlitFramebuffer, "he": _emscripten_glBufferData, "ge": _emscripten_glBufferSubData, "fe": _emscripten_glCheckFramebufferStatus, "ee": _emscripten_glClear, "de": _emscripten_glClearBufferfi, "ce": _emscripten_glClearBufferfv, "be": _emscripten_glClearBufferiv, "ae": _emscripten_glClearBufferuiv, "$d": _emscripten_glClearColor, "_d": _emscripten_glClearDepthf, "Zd": _emscripten_glClearStencil, "Yd": _emscripten_glClientWaitSync, "Xd": _emscripten_glColorMask, "Wd": _emscripten_glCompileShader, "Vd": _emscripten_glCompressedTexImage2D, "Ud": _emscripten_glCompressedTexImage3D, "Td": _emscripten_glCompressedTexSubImage2D, "Sd": _emscripten_glCompressedTexSubImage3D, "Rd": _emscripten_glCopyBufferSubData, "Qd": _emscripten_glCopyTexImage2D, "Pd": _emscripten_glCopyTexSubImage2D, "Od": _emscripten_glCopyTexSubImage3D, "Nd": _emscripten_glCreateProgram, "Md": _emscripten_glCreateShader, "Ld": _emscripten_glCullFace, "Kd": _emscripten_glDeleteBuffers, "Jd": _emscripten_glDeleteFramebuffers, "Id": _emscripten_glDeleteProgram, "Hd": _emscripten_glDeleteQueries, "Gd": _emscripten_glDeleteQueriesEXT, "Fd": _emscripten_glDeleteRenderbuffers, "Ed": _emscripten_glDeleteSamplers, "Dd": _emscripten_glDeleteShader, "Cd": _emscripten_glDeleteSync, "Bd": _emscripten_glDeleteTextures, "Ad": _emscripten_glDeleteTransformFeedbacks, "zd": _emscripten_glDeleteVertexArrays, "yd": _emscripten_glDepthFunc, "xd": _emscripten_glDepthMask, "wd": _emscripten_glDepthRangef, "vd": _emscripten_glDetachShader, "ud": _emscripten_glDisable, "td": _emscripten_glDisableVertexAttribArray, "sd": _emscripten_glDrawArrays, "rd": _emscripten_glDrawArraysInstanced, "qd": _emscripten_glDrawBuffers, "pd": _emscripten_glDrawElements, "od": _emscripten_glDrawElementsInstanced, "nd": _emscripten_glDrawRangeElements, "md": _emscripten_glEnable, "ld": _emscripten_glEnableVertexAttribArray, "kd": _emscripten_glEndQuery, "jd": _emscripten_glEndQueryEXT, "id": _emscripten_glEndTransformFeedback, "hd": _emscripten_glFenceSync, "gd": _emscripten_glFinish, "fd": _emscripten_glFlush, "ed": _emscripten_glFramebufferRenderbuffer, "dd": _emscripten_glFramebufferTexture2D, "cd": _emscripten_glFramebufferTextureLayer, "bd": _emscripten_glFrontFace, "ad": _emscripten_glGenBuffers, "$c": _emscripten_glGenFramebuffers, "_c": _emscripten_glGenQueries, "Zc": _emscripten_glGenQueriesEXT, "Yc": _emscripten_glGenRenderbuffers, "Xc": _emscripten_glGenSamplers, "Wc": _emscripten_glGenTextures, "Vc": _emscripten_glGenTransformFeedbacks, "Uc": _emscripten_glGenVertexArrays, "Tc": _emscripten_glGenerateMipmap, "Sc": _emscripten_glGetActiveAttrib, "Rc": _emscripten_glGetActiveUniform, "Qc": _emscripten_glGetActiveUniformBlockName, "Pc": _emscripten_glGetActiveUniformBlockiv, "Oc": _emscripten_glGetActiveUniformsiv, "Nc": _emscripten_glGetAttachedShaders, "Mc": _emscripten_glGetAttribLocation, "Lc": _emscripten_glGetBooleanv, "Kc": _emscripten_glGetBufferParameteri64v, "Jc": _emscripten_glGetBufferParameteriv, "Ic": _emscripten_glGetError, "Hc": _emscripten_glGetFloatv, "Gc": _emscripten_glGetFragDataLocation, "Fc": _emscripten_glGetFramebufferAttachmentParameteriv, "Ec": _emscripten_glGetInteger64i_v, "Dc": _emscripten_glGetInteger64v, "Cc": _emscripten_glGetIntegeri_v, "Bc": _emscripten_glGetIntegerv, "Ac": _emscripten_glGetInternalformativ, "zc": _emscripten_glGetProgramBinary, "yc": _emscripten_glGetProgramInfoLog, "xc": _emscripten_glGetProgramiv, "wc": _emscripten_glGetQueryObjecti64vEXT, "vc": _emscripten_glGetQueryObjectivEXT, "uc": _emscripten_glGetQueryObjectui64vEXT, "tc": _emscripten_glGetQueryObjectuiv, "sc": _emscripten_glGetQueryObjectuivEXT, "rc": _emscripten_glGetQueryiv, "qc": _emscripten_glGetQueryivEXT, "pc": _emscripten_glGetRenderbufferParameteriv, "oc": _emscripten_glGetSamplerParameterfv, "nc": _emscripten_glGetSamplerParameteriv, "mc": _emscripten_glGetShaderInfoLog, "lc": _emscripten_glGetShaderPrecisionFormat, "kc": _emscripten_glGetShaderSource, "jc": _emscripten_glGetShaderiv, "ic": _emscripten_glGetString, "hc": _emscripten_glGetStringi, "gc": _emscripten_glGetSynciv, "fc": _emscripten_glGetTexParameterfv, "ec": _emscripten_glGetTexParameteriv, "dc": _emscripten_glGetTransformFeedbackVarying, "cc": _emscripten_glGetUniformBlockIndex, "bc": _emscripten_glGetUniformIndices, "ac": _emscripten_glGetUniformLocation, "$b": _emscripten_glGetUniformfv, "_b": _emscripten_glGetUniformiv, "Zb": _emscripten_glGetUniformuiv, "Yb": _emscripten_glGetVertexAttribIiv, "Xb": _emscripten_glGetVertexAttribIuiv, "Wb": _emscripten_glGetVertexAttribPointerv, "Vb": _emscripten_glGetVertexAttribfv, "Ub": _emscripten_glGetVertexAttribiv, "Tb": _emscripten_glHint, "Sb": _emscripten_glInvalidateFramebuffer, "Rb": _emscripten_glInvalidateSubFramebuffer, "Qb": _emscripten_glIsBuffer, "Pb": _emscripten_glIsEnabled, "Ob": _emscripten_glIsFramebuffer, "Nb": _emscripten_glIsProgram, "Mb": _emscripten_glIsQuery, "Lb": _emscripten_glIsQueryEXT, "Kb": _emscripten_glIsRenderbuffer, "Jb": _emscripten_glIsSampler, "Ib": _emscripten_glIsShader, "Hb": _emscripten_glIsSync, "Gb": _emscripten_glIsTexture, "Fb": _emscripten_glIsTransformFeedback, "Eb": _emscripten_glIsVertexArray, "Db": _emscripten_glLineWidth, "Cb": _emscripten_glLinkProgram, "Bb": _emscripten_glPauseTransformFeedback, "Ab": _emscripten_glPixelStorei, "zb": _emscripten_glPolygonOffset, "yb": _emscripten_glProgramBinary, "xb": _emscripten_glProgramParameteri, "wb": _emscripten_glQueryCounterEXT, "vb": _emscripten_glReadBuffer, "ub": _emscripten_glReadPixels, "tb": _emscripten_glReleaseShaderCompiler, "sb": _emscripten_glRenderbufferStorage, "rb": _emscripten_glRenderbufferStorageMultisample, "qb": _emscripten_glResumeTransformFeedback, "pb": _emscripten_glSampleCoverage, "ob": _emscripten_glSamplerParameterf, "nb": _emscripten_glSamplerParameterfv, "mb": _emscripten_glSamplerParameteri, "lb": _emscripten_glSamplerParameteriv, "kb": _emscripten_glScissor, "jb": _emscripten_glShaderBinary, "ib": _emscripten_glShaderSource, "hb": _emscripten_glStencilFunc, "gb": _emscripten_glStencilFuncSeparate, "fb": _emscripten_glStencilMask, "eb": _emscripten_glStencilMaskSeparate, "db": _emscripten_glStencilOp, "cb": _emscripten_glStencilOpSeparate, "bb": _emscripten_glTexImage2D, "ab": _emscripten_glTexImage3D, "$a": _emscripten_glTexParameterf, "_a": _emscripten_glTexParameterfv, "Za": _emscripten_glTexParameteri, "Ya": _emscripten_glTexParameteriv, "Xa": _emscripten_glTexStorage2D, "Wa": _emscripten_glTexStorage3D, "Va": _emscripten_glTexSubImage2D, "Ua": _emscripten_glTexSubImage3D, "Ta": _emscripten_glTransformFeedbackVaryings, "Sa": _emscripten_glUniform1f, "Ra": _emscripten_glUniform1fv, "Qa": _emscripten_glUniform1i, "Pa": _emscripten_glUniform1iv, "Oa": _emscripten_glUniform1ui, "Na": _emscripten_glUniform1uiv, "Ma": _emscripten_glUniform2f, "La": _emscripten_glUniform2fv, "Ka": _emscripten_glUniform2i, "Ja": _emscripten_glUniform2iv, "Ia": _emscripten_glUniform2ui, "Ha": _emscripten_glUniform2uiv, "Ga": _emscripten_glUniform3f, "Fa": _emscripten_glUniform3fv, "Ea": _emscripten_glUniform3i, "Da": _emscripten_glUniform3iv, "Ca": _emscripten_glUniform3ui, "Ba": _emscripten_glUniform3uiv, "Aa": _emscripten_glUniform4f, "za": _emscripten_glUniform4fv, "ya": _emscripten_glUniform4i, "xa": _emscripten_glUniform4iv, "wa": _emscripten_glUniform4ui, "va": _emscripten_glUniform4uiv, "ua": _emscripten_glUniformBlockBinding, "ta": _emscripten_glUniformMatrix2fv, "sa": _emscripten_glUniformMatrix2x3fv, "ra": _emscripten_glUniformMatrix2x4fv, "qa": _emscripten_glUniformMatrix3fv, "pa": _emscripten_glUniformMatrix3x2fv, "oa": _emscripten_glUniformMatrix3x4fv, "na": _emscripten_glUniformMatrix4fv, "ma": _emscripten_glUniformMatrix4x2fv, "la": _emscripten_glUniformMatrix4x3fv, "ka": _emscripten_glUseProgram, "ja": _emscripten_glValidateProgram, "ia": _emscripten_glVertexAttrib1f, "ha": _emscripten_glVertexAttrib1fv, "ga": _emscripten_glVertexAttrib2f, "fa": _emscripten_glVertexAttrib2fv, "ea": _emscripten_glVertexAttrib3f, "da": _emscripten_glVertexAttrib3fv, "ca": _emscripten_glVertexAttrib4f, "ba": _emscripten_glVertexAttrib4fv, "aa": _emscripten_glVertexAttribDivisor, "$": _emscripten_glVertexAttribI4i, "_": _emscripten_glVertexAttribI4iv, "Z": _emscripten_glVertexAttribI4ui, "Y": _emscripten_glVertexAttribI4uiv, "X": _emscripten_glVertexAttribIPointer, "W": _emscripten_glVertexAttribPointer, "V": _emscripten_glViewport, "U": _emscripten_glWaitSync, "dh": _emscripten_memcpy_big, "ch": _emscripten_num_logical_cores, "bh": _emscripten_receive_on_main_thread_js, "ah": _emscripten_resize_heap, "$g": _emscripten_set_canvas_element_size, "T": _emscripten_set_main_loop, "_g": _emscripten_supports_offscreencanvas, "Zg": _emscripten_unwind_to_js_event_loop, "Yg": _emscripten_webgl_destroy_context, "S": _emscripten_webgl_do_commit_frame, "R": _emscripten_webgl_do_create_context, "Xg": _emscripten_webgl_init_context_attributes, "Q": _emscripten_webgl_make_context_current_calling_thread, "rh": _environ_get, "qh": _environ_sizes_get, "x": _exit, "k": _fd_close, "ph": _fd_fdstat_get, "Ge": _fd_read, "Oe": _fd_seek, "y": _fd_write, "c": _getTempRet0, "w": _getaddrinfo, "Wg": _getnameinfo, "P": _gettimeofday, "Vg": _godot_audio_capture_start, "Ug": _godot_audio_capture_stop, "Tg": _godot_audio_has_worklet, "Sg": _godot_audio_init, "Rg": _godot_audio_is_available, "Qg": _godot_audio_resume, "Pg": _godot_audio_worklet_create, "Og": _godot_audio_worklet_start, "O": _godot_audio_worklet_state_add, "N": _godot_audio_worklet_state_get, "Ng": _godot_audio_worklet_state_wait, "Mg": _godot_js_config_canvas_id_get, "Lg": _godot_js_config_locale_get, "Kg": _godot_js_display_alert, "Jg": _godot_js_display_canvas_focus, "Ig": _godot_js_display_canvas_is_focused, "Hg": _godot_js_display_clipboard_get, "Gg": _godot_js_display_clipboard_set, "Fg": _godot_js_display_cursor_is_hidden, "Eg": _godot_js_display_cursor_is_locked, "v": _godot_js_display_cursor_lock_set, "M": _godot_js_display_cursor_set_custom_shape, "Dg": _godot_js_display_cursor_set_shape, "u": _godot_js_display_cursor_set_visible, "Cg": _godot_js_display_desired_size_set, "Bg": _godot_js_display_fullscreen_cb, "Ag": _godot_js_display_fullscreen_exit, "zg": _godot_js_display_fullscreen_request, "yg": _godot_js_display_glGetBufferSubData, "L": _godot_js_display_has_webgl, "xg": _godot_js_display_is_swap_ok_cancel, "wg": _godot_js_display_notification_cb, "vg": _godot_js_display_pixel_ratio_get, "ug": _godot_js_display_screen_dpi_get, "tg": _godot_js_display_screen_size_get, "sg": _godot_js_display_setup_canvas, "rg": _godot_js_display_size_update, "qg": _godot_js_display_touchscreen_is_available, "pg": _godot_js_display_vk_available, "og": _godot_js_display_vk_cb, "ng": _godot_js_display_vk_hide, "mg": _godot_js_display_vk_show, "lg": _godot_js_display_window_blur_cb, "kg": _godot_js_display_window_icon_set, "jg": _godot_js_display_window_size_get, "ig": _godot_js_display_window_title_set, "hg": _godot_js_eval, "gg": _godot_js_fetch_body_length_get, "fg": _godot_js_fetch_create, "K": _godot_js_fetch_free, "eg": _godot_js_fetch_http_status_get, "dg": _godot_js_fetch_is_chunked, "cg": _godot_js_fetch_read_chunk, "bg": _godot_js_fetch_read_headers, "t": _godot_js_fetch_state_get, "ag": _godot_js_input_drop_files_cb, "$f": _godot_js_input_gamepad_cb, "_f": _godot_js_input_gamepad_sample, "Zf": _godot_js_input_gamepad_sample_count, "Yf": _godot_js_input_gamepad_sample_get, "Xf": _godot_js_input_key_cb, "Wf": _godot_js_input_mouse_button_cb, "Vf": _godot_js_input_mouse_move_cb, "Uf": _godot_js_input_mouse_wheel_cb, "Tf": _godot_js_input_paste_cb, "Sf": _godot_js_input_touch_cb, "J": _godot_js_os_download_buffer, "Rf": _godot_js_os_execute, "Qf": _godot_js_os_finish_async, "Pf": _godot_js_os_fs_is_persistent, "Of": _godot_js_os_fs_sync, "Nf": _godot_js_os_hw_concurrency_get, "Mf": _godot_js_os_request_quit_cb, "Lf": _godot_js_os_shell_open, "Kf": _godot_js_rtc_datachannel_close, "Jf": _godot_js_rtc_datachannel_connect, "If": _godot_js_rtc_datachannel_destroy, "Hf": _godot_js_rtc_datachannel_get_buffered_amount, "Gf": _godot_js_rtc_datachannel_id_get, "Ff": _godot_js_rtc_datachannel_is_negotiated, "Ef": _godot_js_rtc_datachannel_is_ordered, "Df": _godot_js_rtc_datachannel_label_get, "Cf": _godot_js_rtc_datachannel_max_packet_lifetime_get, "Bf": _godot_js_rtc_datachannel_max_retransmits_get, "Af": _godot_js_rtc_datachannel_protocol_get, "zf": _godot_js_rtc_datachannel_ready_state_get, "yf": _godot_js_rtc_datachannel_send, "xf": _godot_js_rtc_pc_close, "wf": _godot_js_rtc_pc_create, "vf": _godot_js_rtc_pc_datachannel_create, "I": _godot_js_rtc_pc_destroy, "uf": _godot_js_rtc_pc_ice_candidate_add, "tf": _godot_js_rtc_pc_local_description_set, "sf": _godot_js_rtc_pc_offer_create, "rf": _godot_js_rtc_pc_remote_description_set, "H": _godot_js_websocket_buffered_amount, "qf": _godot_js_websocket_close, "pf": _godot_js_websocket_create, "G": _godot_js_websocket_destroy, "of": _godot_js_websocket_send, "nf": _godot_js_wrapper_create_cb, "mf": _godot_js_wrapper_create_object, "lf": _godot_js_wrapper_interface_get, "kf": _godot_js_wrapper_object_call, "jf": _godot_js_wrapper_object_get, "F": _godot_js_wrapper_object_getvar, "hf": _godot_js_wrapper_object_set, "gf": _godot_js_wrapper_object_setvar, "ff": _godot_js_wrapper_object_unref, "ef": _godot_webxr_commit_for_eye, "df": _godot_webxr_get_bounds_geometry, "cf": _godot_webxr_get_controller_axes, "bf": _godot_webxr_get_controller_buttons, "af": _godot_webxr_get_controller_count, "$e": _godot_webxr_get_controller_transform, "_e": _godot_webxr_get_external_texture_for_eye, "Ze": _godot_webxr_get_projection_for_eye, "Ye": _godot_webxr_get_render_targetsize, "Xe": _godot_webxr_get_transform_for_eye, "We": _godot_webxr_get_view_count, "Ve": _godot_webxr_get_visibility_state, "Ue": _godot_webxr_initialize, "E": _godot_webxr_is_controller_connected, "Te": _godot_webxr_is_session_supported, "Se": _godot_webxr_is_supported, "D": _godot_webxr_sample_controller_data, "Re": _godot_webxr_uninitialize, "n": invoke_ii, "g": invoke_iii, "s": invoke_iiii, "C": invoke_iiiii, "Qe": invoke_iiiiii, "Pe": invoke_iiiiiii, "B": invoke_iiiiiiiiii, "Ne": invoke_iiiij, "e": invoke_vi, "o": invoke_vii, "i": invoke_viii, "j": invoke_viiii, "A": invoke_viiiiiii, "a": wasmMemory || Module["wasmMemory"], "d": _setTempRet0, "z": _strftime, "Me": _strftime_l, "r": _time };
            var asm = createWasm();
            var ___wasm_call_ctors = Module["___wasm_call_ctors"] = function() { return (___wasm_call_ctors = Module["___wasm_call_ctors"] = Module["asm"]["Th"]).apply(null, arguments) };
            var _free = Module["_free"] = function() { return (_free = Module["_free"] = Module["asm"]["Vh"]).apply(null, arguments) };
            var __Z13godot_js_mainiPPc = Module["__Z13godot_js_mainiPPc"] = function() { return (__Z13godot_js_mainiPPc = Module["__Z13godot_js_mainiPPc"] = Module["asm"]["Wh"]).apply(null, arguments) };
            var _emscripten_webgl_commit_frame = Module["_emscripten_webgl_commit_frame"] = function() { return (_emscripten_webgl_commit_frame = Module["_emscripten_webgl_commit_frame"] = Module["asm"]["Xh"]).apply(null, arguments) };
            var _main = Module["_main"] = function() { return (_main = Module["_main"] = Module["asm"]["Yh"]).apply(null, arguments) };
            var _malloc = Module["_malloc"] = function() { return (_malloc = Module["_malloc"] = Module["asm"]["Zh"]).apply(null, arguments) };
            var _htonl = Module["_htonl"] = function() { return (_htonl = Module["_htonl"] = Module["asm"]["_h"]).apply(null, arguments) };
            var _htons = Module["_htons"] = function() { return (_htons = Module["_htons"] = Module["asm"]["$h"]).apply(null, arguments) };
            var _ntohs = Module["_ntohs"] = function() { return (_ntohs = Module["_ntohs"] = Module["asm"]["ai"]).apply(null, arguments) };
            var ___errno_location = Module["___errno_location"] = function() { return (___errno_location = Module["___errno_location"] = Module["asm"]["bi"]).apply(null, arguments) };
            var __emwebxr_on_input_event = Module["__emwebxr_on_input_event"] = function() { return (__emwebxr_on_input_event = Module["__emwebxr_on_input_event"] = Module["asm"]["ci"]).apply(null, arguments) };
            var __emwebxr_on_simple_event = Module["__emwebxr_on_simple_event"] = function() { return (__emwebxr_on_simple_event = Module["__emwebxr_on_simple_event"] = Module["asm"]["di"]).apply(null, arguments) };
            var _pthread_self = Module["_pthread_self"] = function() { return (_pthread_self = Module["_pthread_self"] = Module["asm"]["ei"]).apply(null, arguments) };
            var _emscripten_tls_init = Module["_emscripten_tls_init"] = function() { return (_emscripten_tls_init = Module["_emscripten_tls_init"] = Module["asm"]["fi"]).apply(null, arguments) };
            var _emscripten_builtin_memalign = Module["_emscripten_builtin_memalign"] = function() { return (_emscripten_builtin_memalign = Module["_emscripten_builtin_memalign"] = Module["asm"]["gi"]).apply(null, arguments) };
            var _emscripten_webgl_get_current_context = Module["_emscripten_webgl_get_current_context"] = function() { return (_emscripten_webgl_get_current_context = Module["_emscripten_webgl_get_current_context"] = Module["asm"]["hi"]).apply(null, arguments) };
            var _emscripten_dispatch_to_thread_ = Module["_emscripten_dispatch_to_thread_"] = function() { return (_emscripten_dispatch_to_thread_ = Module["_emscripten_dispatch_to_thread_"] = Module["asm"]["ii"]).apply(null, arguments) };
            var ___stdio_exit = Module["___stdio_exit"] = function() { return (___stdio_exit = Module["___stdio_exit"] = Module["asm"]["ji"]).apply(null, arguments) };
            var ___funcs_on_exit = Module["___funcs_on_exit"] = function() { return (___funcs_on_exit = Module["___funcs_on_exit"] = Module["asm"]["ki"]).apply(null, arguments) };
            var __emscripten_thread_crashed = Module["__emscripten_thread_crashed"] = function() { return (__emscripten_thread_crashed = Module["__emscripten_thread_crashed"] = Module["asm"]["li"]).apply(null, arguments) };
            var _emscripten_main_thread_process_queued_calls = Module["_emscripten_main_thread_process_queued_calls"] = function() { return (_emscripten_main_thread_process_queued_calls = Module["_emscripten_main_thread_process_queued_calls"] = Module["asm"]["mi"]).apply(null, arguments) };
            var __emscripten_thread_init = Module["__emscripten_thread_init"] = function() { return (__emscripten_thread_init = Module["__emscripten_thread_init"] = Module["asm"]["ni"]).apply(null, arguments) };
            var _emscripten_current_thread_process_queued_calls = Module["_emscripten_current_thread_process_queued_calls"] = function() { return (_emscripten_current_thread_process_queued_calls = Module["_emscripten_current_thread_process_queued_calls"] = Module["asm"]["oi"]).apply(null, arguments) };
            var _emscripten_sync_run_in_main_thread_2 = Module["_emscripten_sync_run_in_main_thread_2"] = function() { return (_emscripten_sync_run_in_main_thread_2 = Module["_emscripten_sync_run_in_main_thread_2"] = Module["asm"]["pi"]).apply(null, arguments) };
            var _emscripten_sync_run_in_main_thread_4 = Module["_emscripten_sync_run_in_main_thread_4"] = function() { return (_emscripten_sync_run_in_main_thread_4 = Module["_emscripten_sync_run_in_main_thread_4"] = Module["asm"]["qi"]).apply(null, arguments) };
            var _emscripten_run_in_main_runtime_thread_js = Module["_emscripten_run_in_main_runtime_thread_js"] = function() { return (_emscripten_run_in_main_runtime_thread_js = Module["_emscripten_run_in_main_runtime_thread_js"] = Module["asm"]["ri"]).apply(null, arguments) };
            var __emscripten_thread_free_data = Module["__emscripten_thread_free_data"] = function() { return (__emscripten_thread_free_data = Module["__emscripten_thread_free_data"] = Module["asm"]["si"]).apply(null, arguments) };
            var __emscripten_thread_exit = Module["__emscripten_thread_exit"] = function() { return (__emscripten_thread_exit = Module["__emscripten_thread_exit"] = Module["asm"]["ti"]).apply(null, arguments) };
            var _setThrew = Module["_setThrew"] = function() { return (_setThrew = Module["_setThrew"] = Module["asm"]["ui"]).apply(null, arguments) };
            var _emscripten_stack_set_limits = Module["_emscripten_stack_set_limits"] = function() { return (_emscripten_stack_set_limits = Module["_emscripten_stack_set_limits"] = Module["asm"]["vi"]).apply(null, arguments) };
            var stackSave = Module["stackSave"] = function() { return (stackSave = Module["stackSave"] = Module["asm"]["wi"]).apply(null, arguments) };
            var stackRestore = Module["stackRestore"] = function() { return (stackRestore = Module["stackRestore"] = Module["asm"]["xi"]).apply(null, arguments) };
            var stackAlloc = Module["stackAlloc"] = function() { return (stackAlloc = Module["stackAlloc"] = Module["asm"]["yi"]).apply(null, arguments) };
            var dynCall_iiiij = Module["dynCall_iiiij"] = function() { return (dynCall_iiiij = Module["dynCall_iiiij"] = Module["asm"]["zi"]).apply(null, arguments) };
            var __emscripten_allow_main_runtime_queued_calls = Module["__emscripten_allow_main_runtime_queued_calls"] = 16111580;

            function invoke_vii(index, a1, a2) {
                var sp = stackSave();
                try { getWasmTableEntry(index)(a1, a2) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_vi(index, a1) {
                var sp = stackSave();
                try { getWasmTableEntry(index)(a1) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_viii(index, a1, a2, a3) {
                var sp = stackSave();
                try { getWasmTableEntry(index)(a1, a2, a3) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_ii(index, a1) {
                var sp = stackSave();
                try { return getWasmTableEntry(index)(a1) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_iii(index, a1, a2) {
                var sp = stackSave();
                try { return getWasmTableEntry(index)(a1, a2) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_iiiii(index, a1, a2, a3, a4) {
                var sp = stackSave();
                try { return getWasmTableEntry(index)(a1, a2, a3, a4) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_iiiiii(index, a1, a2, a3, a4, a5) {
                var sp = stackSave();
                try { return getWasmTableEntry(index)(a1, a2, a3, a4, a5) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_viiii(index, a1, a2, a3, a4) {
                var sp = stackSave();
                try { getWasmTableEntry(index)(a1, a2, a3, a4) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_iiii(index, a1, a2, a3) {
                var sp = stackSave();
                try { return getWasmTableEntry(index)(a1, a2, a3) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_viiiiiii(index, a1, a2, a3, a4, a5, a6, a7) {
                var sp = stackSave();
                try { getWasmTableEntry(index)(a1, a2, a3, a4, a5, a6, a7) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_iiiiiiiiii(index, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
                var sp = stackSave();
                try { return getWasmTableEntry(index)(a1, a2, a3, a4, a5, a6, a7, a8, a9) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_iiiiiii(index, a1, a2, a3, a4, a5, a6) {
                var sp = stackSave();
                try { return getWasmTableEntry(index)(a1, a2, a3, a4, a5, a6) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }

            function invoke_iiiij(index, a1, a2, a3, a4, a5) {
                var sp = stackSave();
                try { return dynCall_iiiij(index, a1, a2, a3, a4, a5) } catch (e) {
                    stackRestore(sp);
                    if (e !== e + 0) throw e;
                    _setThrew(1, 0)
                }
            }
            Module["cwrap"] = cwrap;
            Module["callMain"] = callMain;
            Module["keepRuntimeAlive"] = keepRuntimeAlive;
            Module["PThread"] = PThread;
            Module["PThread"] = PThread;
            Module["wasmMemory"] = wasmMemory;
            Module["ExitStatus"] = ExitStatus;
            var calledRun;

            function ExitStatus(status) {
                this.name = "ExitStatus";
                this.message = "Program terminated with exit(" + status + ")";
                this.status = status
            }
            var calledMain = false;
            dependenciesFulfilled = function runCaller() { if (!calledRun) run(); if (!calledRun) dependenciesFulfilled = runCaller };

            function callMain(args) {
                var entryFunction = Module["_main"];
                args = args || [];
                var argc = args.length + 1;
                var argv = stackAlloc((argc + 1) * 4);
                GROWABLE_HEAP_I32()[argv >> 2] = allocateUTF8OnStack(thisProgram);
                for (var i = 1; i < argc; i++) { GROWABLE_HEAP_I32()[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]) }
                GROWABLE_HEAP_I32()[(argv >> 2) + argc] = 0;
                try {
                    var ret = entryFunction(argc, argv);
                    exit(ret, true);
                    return ret
                } catch (e) { return handleException(e) } finally { calledMain = true }
            }

            function run(args) {
                args = args || arguments_;
                if (runDependencies > 0) { return }
                if (ENVIRONMENT_IS_PTHREAD) {
                    readyPromiseResolve(Module);
                    initRuntime();
                    postMessage({ "cmd": "loaded" });
                    return
                }
                preRun();
                if (runDependencies > 0) { return }

                function doRun() {
                    if (calledRun) return;
                    calledRun = true;
                    Module["calledRun"] = true;
                    if (ABORT) return;
                    initRuntime();
                    preMain();
                    readyPromiseResolve(Module);
                    if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
                    if (shouldRunNow) callMain(args);
                    postRun()
                }
                if (Module["setStatus"]) {
                    Module["setStatus"]("Running...");
                    setTimeout(function() {
                        setTimeout(function() { Module["setStatus"]("") }, 1);
                        doRun()
                    }, 1)
                } else { doRun() }
            }
            Module["run"] = run;

            function exit(status, implicit) {
                EXITSTATUS = status;
                if (!implicit) { if (ENVIRONMENT_IS_PTHREAD) { exitOnMainThread(status); throw "unwind" } else {} }
                if (keepRuntimeAlive()) {} else { exitRuntime() }
                procExit(status)
            }

            function procExit(code) {
                EXITSTATUS = code;
                if (!keepRuntimeAlive()) {
                    PThread.terminateAllThreads();
                    if (Module["onExit"]) Module["onExit"](code);
                    ABORT = true
                }
                quit_(code, new ExitStatus(code))
            }
            if (Module["preInit"]) { if (typeof Module["preInit"] == "function") Module["preInit"] = [Module["preInit"]]; while (Module["preInit"].length > 0) { Module["preInit"].pop()() } }
            var shouldRunNow = false;
            if (Module["noInitialRun"]) shouldRunNow = false;
            run();


            return Godot.ready
        }
    );
})();
if (typeof exports === 'object' && typeof module === 'object')
    module.exports = Godot;
else if (typeof define === 'function' && define['amd'])
    define([], function() { return Godot; });
else if (typeof exports === 'object')
    exports["Godot"] = Godot;