add more code

godot.tools.audio.worklet.js

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+/*************************************************************************/
+/*  audio.worklet.js                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+class RingBuffer {
+	constructor(p_buffer, p_state, p_threads) {
+		this.buffer = p_buffer;
+		this.avail = p_state;
+		this.threads = p_threads;
+		this.rpos = 0;
+		this.wpos = 0;
+	}
+
+	data_left() {
+		return this.threads ? Atomics.load(this.avail, 0) : this.avail;
+	}
+
+	space_left() {
+		return this.buffer.length - this.data_left();
+	}
+
+	read(output) {
+		const size = this.buffer.length;
+		let from = 0;
+		let to_write = output.length;
+		if (this.rpos + to_write > size) {
+			const high = size - this.rpos;
+			output.set(this.buffer.subarray(this.rpos, size));
+			from = high;
+			to_write -= high;
+			this.rpos = 0;
+		}
+		if (to_write) {
+			output.set(this.buffer.subarray(this.rpos, this.rpos + to_write), from);
+		}
+		this.rpos += to_write;
+		if (this.threads) {
+			Atomics.add(this.avail, 0, -output.length);
+			Atomics.notify(this.avail, 0);
+		} else {
+			this.avail -= output.length;
+		}
+	}
+
+	write(p_buffer) {
+		const to_write = p_buffer.length;
+		const mw = this.buffer.length - this.wpos;
+		if (mw >= to_write) {
+			this.buffer.set(p_buffer, this.wpos);
+			this.wpos += to_write;
+			if (mw === to_write) {
+				this.wpos = 0;
+			}
+		} else {
+			const high = p_buffer.subarray(0, mw);
+			const low = p_buffer.subarray(mw);
+			this.buffer.set(high, this.wpos);
+			this.buffer.set(low);
+			this.wpos = low.length;
+		}
+		if (this.threads) {
+			Atomics.add(this.avail, 0, to_write);
+			Atomics.notify(this.avail, 0);
+		} else {
+			this.avail += to_write;
+		}
+	}
+}
+
+class GodotProcessor extends AudioWorkletProcessor {
+	constructor() {
+		super();
+		this.threads = false;
+		this.running = true;
+		this.lock = null;
+		this.notifier = null;
+		this.output = null;
+		this.output_buffer = new Float32Array();
+		this.input = null;
+		this.input_buffer = new Float32Array();
+		this.port.onmessage = (event) => {
+			const cmd = event.data['cmd'];
+			const data = event.data['data'];
+			this.parse_message(cmd, data);
+		};
+	}
+
+	process_notify() {
+		if (this.notifier) {
+			Atomics.add(this.notifier, 0, 1);
+			Atomics.notify(this.notifier, 0);
+		}
+	}
+
+	parse_message(p_cmd, p_data) {
+		if (p_cmd === 'start' && p_data) {
+			const state = p_data[0];
+			let idx = 0;
+			this.threads = true;
+			this.lock = state.subarray(idx, ++idx);
+			this.notifier = state.subarray(idx, ++idx);
+			const avail_in = state.subarray(idx, ++idx);
+			const avail_out = state.subarray(idx, ++idx);
+			this.input = new RingBuffer(p_data[1], avail_in, true);
+			this.output = new RingBuffer(p_data[2], avail_out, true);
+		} else if (p_cmd === 'stop') {
+			this.running = false;
+			this.output = null;
+			this.input = null;
+		} else if (p_cmd === 'start_nothreads') {
+			this.output = new RingBuffer(p_data[0], p_data[0].length, false);
+		} else if (p_cmd === 'chunk') {
+			this.output.write(p_data);
+		}
+	}
+
+	static array_has_data(arr) {
+		return arr.length && arr[0].length && arr[0][0].length;
+	}
+
+	process(inputs, outputs, parameters) {
+		if (!this.running) {
+			return false; // Stop processing.
+		}
+		if (this.output === null) {
+			return true; // Not ready yet, keep processing.
+		}
+		const process_input = GodotProcessor.array_has_data(inputs);
+		if (process_input) {
+			const input = inputs[0];
+			const chunk = input[0].length * input.length;
+			if (this.input_buffer.length !== chunk) {
+				this.input_buffer = new Float32Array(chunk);
+			}
+			if (!this.threads) {
+				GodotProcessor.write_input(this.input_buffer, input);
+				this.port.postMessage({ 'cmd': 'input', 'data': this.input_buffer });
+			} else if (this.input.space_left() >= chunk) {
+				GodotProcessor.write_input(this.input_buffer, input);
+				this.input.write(this.input_buffer);
+			} else {
+				this.port.postMessage('Input buffer is full! Skipping input frame.');
+			}
+		}
+		const process_output = GodotProcessor.array_has_data(outputs);
+		if (process_output) {
+			const output = outputs[0];
+			const chunk = output[0].length * output.length;
+			if (this.output_buffer.length !== chunk) {
+				this.output_buffer = new Float32Array(chunk);
+			}
+			if (this.output.data_left() >= chunk) {
+				this.output.read(this.output_buffer);
+				GodotProcessor.write_output(output, this.output_buffer);
+				if (!this.threads) {
+					this.port.postMessage({ 'cmd': 'read', 'data': chunk });
+				}
+			} else {
+				this.port.postMessage('Output buffer has not enough frames! Skipping output frame.');
+			}
+		}
+		this.process_notify();
+		return true;
+	}
+
+	static write_output(dest, source) {
+		const channels = dest.length;
+		for (let ch = 0; ch < channels; ch++) {
+			for (let sample = 0; sample < dest[ch].length; sample++) {
+				dest[ch][sample] = source[sample * channels + ch];
+			}
+		}
+	}
+
+	static write_input(dest, source) {
+		const channels = source.length;
+		for (let ch = 0; ch < channels; ch++) {
+			for (let sample = 0; sample < source[ch].length; sample++) {
+				dest[sample * channels + ch] = source[ch][sample];
+			}
+		}
+	}
+}
+
+registerProcessor('godot-processor', GodotProcessor);

godot.tools.html

@@ -0,0 +1,714 @@
+<!DOCTYPE html>
+<html xmlns="https://www.w3.org/1999/xhtml" lang="en">
+<head>
+	<meta charset="utf-8" />
+	<meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no" />
+	<meta name="author" content="Godot Engine" />
+	<meta name="description" content="Use the Godot Engine editor directly in your web browser, without having to install anything." />
+	<meta name="mobile-web-app-capable" content="yes" />
+	<meta name="apple-mobile-web-app-capable" content="yes" />
+	<meta name="application-name" content="Godot" />
+	<meta name="apple-mobile-web-app-title" content="Godot" />
+	<meta name="theme-color" content="#202531" />
+	<meta name="msapplication-navbutton-color" content="#202531" />
+	<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
+	<meta name="msapplication-starturl" content="/latest" />
+	<meta property="og:site_name" content="Godot Engine Web Editor" />
+	<meta property="og:url" name="twitter:url" content="https://editor.godotengine.org/releases/latest/" />
+	<meta property="og:title" name="twitter:title" content="Free and open source 2D and 3D game engine" />
+	<meta property="og:description" name="twitter:description" content="Use the Godot Engine editor directly in your web browser, without having to install anything." />
+	<meta property="og:image" name="twitter:image" content="https://godotengine.org/themes/godotengine/assets/og_image.png" />
+	<meta property="og:type" content="website" />
+	<meta name="twitter:card" content="summary" />
+	<link id="-gd-engine-icon" rel="icon" type="image/png" href="favicon.png" />
+	<link rel="apple-touch-icon" type="image/png" href="favicon.png" />
+	<link rel="manifest" href="manifest.json" />
+	<title>Godot Engine Web Editor (4.0.alpha.custom_build)</title>
+	<style>
+		*:focus {
+			/* More visible outline for better keyboard navigation. */
+			outline: 0.125rem solid hsl(220, 100%, 62.5%);
+			/* Make the outline always appear above other elements. */
+			/* Otherwise, one of its sides can be hidden by tabs in the Download and More layouts. */
+			position: relative;
+		}
+
+		body {
+			touch-action: none;
+			font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+			margin: 0;
+			border: 0 none;
+			padding: 0;
+			text-align: center;
+			background-color: #333b4f;
+			overflow: hidden;
+		}
+
+		a {
+			color: hsl(205, 100%, 75%);
+			text-decoration-color: hsla(205, 100%, 75%, 0.3);
+			text-decoration-thickness: 0.125rem;
+		}
+
+		a:hover {
+			filter: brightness(117.5%);
+		}
+
+		a:active {
+			filter: brightness(82.5%);
+		}
+
+		.welcome-modal {
+			display: none;
+ 			position: fixed;
+			z-index: 1;
+			left: 0;
+			top: 0;
+			width: 100%;
+			height: 100%;
+			overflow: auto;
+			background-color: hsla(0, 0%, 0%, 0.5);
+		}
+
+		.welcome-modal-content {
+			background-color: #333b4f;
+			box-shadow: 0 0.25rem 0.25rem hsla(0, 0%, 0%, 0.5);
+			line-height: 1.5;
+			max-width: 38rem;
+			margin: 4rem auto 0 auto;
+			color: white;
+			border-radius: 0.5rem;
+			padding: 1rem 1rem 2rem 1rem;
+		}
+
+		#tabs-buttons {
+			/* Match the default background color of the editor window for a seamless appearance. */
+			background-color: #202531;
+		}
+
+		#tab-game {
+			/* Use a pure black background to better distinguish the running project */
+			/* from the editor window, and to use a more neutral background color (no tint). */
+			background-color: black;
+			/* Make the background span the entire page height. */
+			min-height: 100vh;
+		}
+
+		#canvas, #gameCanvas {
+			display: block;
+			margin: 0;
+			color: white;
+		}
+
+		/* Don't show distracting focus outlines for the main tabs' contents. */
+		#tab-editor canvas:focus,
+		#tab-game canvas:focus,
+		#canvas:focus,
+		#gameCanvas:focus {
+			outline: none;
+		}
+
+		.godot {
+			color: #e0e0e0;
+			background-color: #3b3943;
+			background-image: linear-gradient(to bottom, #403e48, #35333c);
+			border: 1px solid #45434e;
+			box-shadow: 0 0 1px 1px #2f2d35;
+		}
+
+		.btn {
+			appearance: none;
+			color: #e0e0e0;
+			background-color: #262c3b;
+			border: 1px solid #202531;
+			padding: 0.5rem 1rem;
+			margin: 0 0.5rem;
+		}
+
+		.btn:not(:disabled):hover {
+			color: #e0e1e5;
+			border-color: #666c7b;
+		}
+
+		.btn:active {
+			border-color: #699ce8;
+			color: #699ce8;
+		}
+
+		.btn:disabled {
+			color: #aaa;
+			border-color: #242937;
+		}
+
+		.btn.tab-btn {
+			padding: 0.3rem 1rem;
+		}
+
+		.btn.close-btn {
+			padding: 0.3rem 1rem;
+			margin-left: -0.75rem;
+			font-weight: 700;
+		}
+
+
+		/* Status display
+		 * ============== */
+
+		#status {
+			position: absolute;
+			left: 0;
+			top: 0;
+			right: 0;
+			bottom: 0;
+			display: flex;
+			justify-content: center;
+			align-items: center;
+			/* don't consume click events - make children visible explicitly */
+			visibility: hidden;
+		}
+
+		#status-progress {
+			width: 366px;
+			height: 7px;
+			background-color: #38363A;
+			border: 1px solid #444246;
+			padding: 1px;
+			box-shadow: 0 0 2px 1px #1B1C22;
+			border-radius: 2px;
+			visibility: visible;
+		}
+
+		@media only screen and (orientation:portrait) {
+			#status-progress {
+				width: 61.8%;
+			}
+		}
+
+		#status-progress-inner {
+			height: 100%;
+			width: 0;
+			box-sizing: border-box;
+			transition: width 0.5s linear;
+			background-color: #202020;
+			border: 1px solid #222223;
+			box-shadow: 0 0 1px 1px #27282E;
+			border-radius: 3px;
+		}
+
+		#status-indeterminate {
+			visibility: visible;
+			position: relative;
+		}
+
+		#status-indeterminate > div {
+			width: 4.5px;
+			height: 0;
+			border-style: solid;
+			border-width: 9px 3px 0 3px;
+			border-color: #2b2b2b transparent transparent transparent;
+			transform-origin: center 21px;
+			position: absolute;
+		}
+
+		#status-indeterminate > div:nth-child(1) { transform: rotate( 22.5deg); }
+		#status-indeterminate > div:nth-child(2) { transform: rotate( 67.5deg); }
+		#status-indeterminate > div:nth-child(3) { transform: rotate(112.5deg); }
+		#status-indeterminate > div:nth-child(4) { transform: rotate(157.5deg); }
+		#status-indeterminate > div:nth-child(5) { transform: rotate(202.5deg); }
+		#status-indeterminate > div:nth-child(6) { transform: rotate(247.5deg); }
+		#status-indeterminate > div:nth-child(7) { transform: rotate(292.5deg); }
+		#status-indeterminate > div:nth-child(8) { transform: rotate(337.5deg); }
+
+		#status-notice {
+			margin: 0 100px;
+			line-height: 1.3;
+			visibility: visible;
+			padding: 4px 6px;
+			visibility: visible;
+		}
+	</style>
+</head>
+<body>
+	<div
+		id="welcome-modal"
+		class="welcome-modal"
+		role="dialog"
+		aria-labelledby="welcome-modal-title"
+		aria-describedby="welcome-modal-description"
+		onclick="if (event.target === this) closeWelcomeModal(false)"
+	>
+		<div class="welcome-modal-content">
+			<h2 id="welcome-modal-title">Important - Please read before continuing</h2>
+			<div id="welcome-modal-description">
+				<p>
+					The Godot Web Editor has some limitations compared to the native version.
+					Its main focus is education and experimentation;
+					<strong>it is not recommended for production</strong>.
+				</p>
+				<p>
+					Refer to the
+					<a
+						href="https://docs.godotengine.org/en/latest/tutorials/editor/using_the_web_editor.html"
+						target="_blank"
+						rel="noopener"
+					>Web editor documentation</a> for usage instructions and limitations.
+				</p>
+			</div>
+			<button id="welcome-modal-dismiss" class="btn" type="button" onclick="closeWelcomeModal(true)" style="margin-top: 1rem">
+				OK, don't show again
+			</button>
+		</div>
+	</div>
+	<div id="tabs-buttons">
+		<button id="btn-tab-loader" class="btn tab-btn" onclick="showTab('loader')">Loader</button>
+		<button id="btn-tab-editor" class="btn tab-btn" disabled="disabled" onclick="showTab('editor')">Editor</button>
+		<button id="btn-close-editor" class="btn close-btn" disabled="disabled" onclick="closeEditor()">×</button>
+		<button id="btn-tab-game" class="btn tab-btn" disabled="disabled" onclick="showTab('game')">Game</button>
+		<button id="btn-close-game" class="btn close-btn"  disabled="disabled" onclick="closeGame()">×</button>
+		<button id="btn-tab-update" class="btn tab-btn" style="display: none;">Update</button>
+	</div>
+	<div id="tabs">
+		<div id="tab-loader">
+			<div style="color: #e0e0e0;" id="persistence">
+				<br />
+				<img src="logo.svg" alt="Godot Engine logo" width="1024" height="414" style="width: auto; height: auto; max-width: min(85%, 50vh); max-height: 250px" />
+				<br />
+				4.0.alpha.custom_build
+				<br />
+				<a href="releases/">Need an old version?</a>
+				<br />
+				<br />
+				<br />
+				<label for="videoMode" style="margin-right: 1rem">Video driver:</label>
+				<select id="videoMode">
+					<option value="" selected="selected">Auto</option>
+					<option value="opengl3">WebGL 2</option>
+				</select>
+				<br />
+				<br />
+				<label for="zip-file" style="margin-right: 1rem">Preload project ZIP:</label> <input id="zip-file" type="file" name="files" style="margin-bottom: 1rem"/>
+				<br />
+<a href="demo.zip">(Try this for example)</a>
+				<br />
+				<br />
+				<button id="startButton" class="btn" style="margin-bottom: 4rem; font-weight: 700">Start Godot editor</button>
+				<br />
+				<button class="btn" onclick="clearPersistence()" style="margin-bottom: 1.5rem">Clear persistent data</button>
+				<br />
+				<a href="https://docs.godotengine.org/en/latest/tutorials/editor/using_the_web_editor.html">Web editor documentation</a>
+			</div>
+		</div>
+		<div id="tab-editor" style="display: none;">
+			<canvas id="editor-canvas" tabindex="1">
+				HTML5 canvas appears to be unsupported in the current browser.<br />
+				Please try updating or use a different browser.
+			</canvas>
+		</div>
+		<div id="tab-game" style="display: none;">
+			<canvas id="game-canvas" tabindex="2">
+				HTML5 canvas appears to be unsupported in the current browser.<br />
+				Please try updating or use a different browser.
+			</canvas>
+		</div>
+		<div id="tab-status" style="display: none;">
+			<div id="status-progress" style="display: none;" oncontextmenu="event.preventDefault();"><div id="status-progress-inner"></div></div>
+			<div id="status-indeterminate" style="display: none;" oncontextmenu="event.preventDefault();">
+				<div></div>
+				<div></div>
+				<div></div>
+				<div></div>
+				<div></div>
+				<div></div>
+				<div></div>
+				<div></div>
+			</div>
+			<div id="status-notice" class="godot" style="display: none;"></div>
+		</div>
+	</div>
+	<script>//<![CDATA[
+		window.addEventListener("load", () => {
+			function notifyUpdate(sw) {
+				const btn = document.getElementById("btn-tab-update");
+				btn.onclick = function () {
+					if (!window.confirm("Are you sure you want to update?\nClicking \"OK\" will reload all active instances!")) {
+						return;
+					}
+					sw.postMessage("update");
+					btn.innerHTML = "Updating...";
+					btn.disabled = true;
+				};
+				btn.style.display = "";
+			}
+			if ("serviceWorker" in navigator) {
+				navigator.serviceWorker.register("service.worker.js").then(function (reg) {
+					if (reg.waiting) {
+						notifyUpdate(reg.waiting);
+					}
+					reg.addEventListener("updatefound", function () {
+						const update = reg.installing;
+						update.addEventListener("statechange", function () {
+							if (update.state === "installed") {
+								// It's a new install, claim and perform aggressive caching.
+								if (!reg.active) {
+									update.postMessage("claim");
+								} else {
+									notifyUpdate(update);
+								}
+							}
+						});
+					});
+				});
+			}
+
+			if (localStorage.getItem("welcomeModalDismissed") !== 'true') {
+				document.getElementById("welcome-modal").style.display = "block";
+				document.getElementById("welcome-modal-dismiss").focus();
+			}
+		});
+
+		function closeWelcomeModal(dontShowAgain) {
+			document.getElementById("welcome-modal").style.display = "none";
+			if (dontShowAgain) {
+				localStorage.setItem("welcomeModalDismissed", 'true');
+			}
+		}
+	//]]></script>
+	<script src="godot.tools.js"></script>
+	<script>//<![CDATA[
+
+		var editor = null;
+		var game = null;
+		var setStatusMode;
+		var setStatusNotice;
+		var video_driver = "";
+
+		function clearPersistence() {
+			function deleteDB(path) {
+				return new Promise(function(resolve, reject) {
+					var req = indexedDB.deleteDatabase(path);
+					req.onsuccess = function() {
+						resolve();
+					};
+					req.onerror = function(err) {
+						reject(err);
+					};
+					req.onblocked = function(err) {
+						reject(err);
+					}
+
+				});
+			}
+			if (!window.confirm("Are you sure you want to delete all the locally stored files?\nClicking \"OK\" will permanently remove your projects and editor settings!")) {
+				return;
+			}
+			Promise.all([
+				deleteDB("/home/web_user"),
+			]).then(function(results) {
+				alert("Done.");
+			}).catch(function (err) {
+				alert("Error deleting local files. Please retry after reloading the page.");
+			});
+		}
+
+		function selectVideoMode() {
+			var select = document.getElementById('videoMode');
+			video_driver = select.selectedOptions[0].value;
+		}
+
+		var tabs = [
+			document.getElementById('tab-loader'),
+			document.getElementById('tab-editor'),
+			document.getElementById('tab-game')
+		]
+		function showTab(name) {
+			tabs.forEach(function (elem) {
+				if (elem.id == 'tab-' + name) {
+					elem.style.display = 'block';
+					if (name == 'editor' || name == 'game') {
+						const canvas = document.getElementById(name + '-canvas');
+						canvas.focus();
+					}
+				} else {
+					elem.style.display = 'none';
+				}
+			});
+		}
+
+		function setButtonEnabled(id, enabled) {
+			if (enabled) {
+				document.getElementById(id).disabled = "";
+			} else {
+				document.getElementById(id).disabled = "disabled";
+			}
+		}
+
+		function setLoaderEnabled(enabled) {
+			setButtonEnabled('btn-tab-loader', enabled);
+			setButtonEnabled('btn-tab-editor', !enabled);
+			setButtonEnabled('btn-close-editor', !enabled);
+		}
+
+		function setGameTabEnabled(enabled) {
+			setButtonEnabled('btn-tab-game', enabled);
+			setButtonEnabled('btn-close-game', enabled);
+		}
+
+		function closeGame() {
+			if (game) {
+				game.requestQuit();
+			}
+		}
+
+		function closeEditor() {
+			closeGame();
+			if (editor) {
+				editor.requestQuit();
+			}
+		}
+
+		function startEditor(zip) {
+			const INDETERMINATE_STATUS_STEP_MS = 100;
+			const persistentPaths = ['/home/web_user'];
+
+			var editorCanvas = document.getElementById('editor-canvas');
+			var gameCanvas = document.getElementById('game-canvas');
+			var statusProgress = document.getElementById('status-progress');
+			var statusProgressInner = document.getElementById('status-progress-inner');
+			var statusIndeterminate = document.getElementById('status-indeterminate');
+			var statusNotice = document.getElementById('status-notice');
+			var headerDiv = document.getElementById('tabs-buttons');
+
+			var initializing = true;
+			var statusMode = 'hidden';
+
+			showTab('status');
+
+			var animationCallbacks = [];
+			function animate(time) {
+				animationCallbacks.forEach(callback => callback(time));
+				requestAnimationFrame(animate);
+			}
+			requestAnimationFrame(animate);
+
+			var lastScale = 0;
+			var lastWidth = 0;
+			var lastHeight = 0;
+			function adjustCanvasDimensions() {
+				var scale = window.devicePixelRatio || 1;
+				var headerHeight = headerDiv.offsetHeight + 1;
+				var width = window.innerWidth;
+				var height = window.innerHeight - headerHeight;
+				if (lastScale !== scale || lastWidth !== width || lastHeight !== height) {
+					editorCanvas.width = width * scale;
+					editorCanvas.height = height * scale;
+					editorCanvas.style.width = width + "px";
+					editorCanvas.style.height = height + "px";
+					lastScale = scale;
+					lastWidth = width;
+					lastHeight = height;
+				}
+			}
+			animationCallbacks.push(adjustCanvasDimensions);
+			adjustCanvasDimensions();
+
+			function replaceCanvas(from) {
+				const out = document.createElement("canvas");
+				out.id = from.id;
+				out.tabIndex = from.tabIndex;
+				from.parentNode.replaceChild(out, from);
+				lastScale = 0;
+				return out;
+			}
+
+			setStatusMode = function setStatusMode(mode) {
+				if (statusMode === mode || !initializing)
+					return;
+				[statusProgress, statusIndeterminate, statusNotice].forEach(elem => {
+					elem.style.display = 'none';
+				});
+				animationCallbacks = animationCallbacks.filter(function(value) {
+					return (value != animateStatusIndeterminate);
+				});
+				switch (mode) {
+					case 'progress':
+						statusProgress.style.display = 'block';
+						break;
+					case 'indeterminate':
+						statusIndeterminate.style.display = 'block';
+						animationCallbacks.push(animateStatusIndeterminate);
+						break;
+					case 'notice':
+						statusNotice.style.display = 'block';
+						break;
+					case 'hidden':
+						break;
+					default:
+						throw new Error('Invalid status mode');
+				}
+				statusMode = mode;
+			};
+
+			function animateStatusIndeterminate(ms) {
+				var i = Math.floor(ms / INDETERMINATE_STATUS_STEP_MS % 8);
+				if (statusIndeterminate.children[i].style.borderTopColor == '') {
+					Array.prototype.slice.call(statusIndeterminate.children).forEach(child => {
+						child.style.borderTopColor = '';
+					});
+					statusIndeterminate.children[i].style.borderTopColor = '#dfdfdf';
+				}
+			}
+
+			setStatusNotice = function setStatusNotice(text) {
+				while (statusNotice.lastChild) {
+					statusNotice.removeChild(statusNotice.lastChild);
+				}
+				var lines = text.split('\n');
+				lines.forEach((line) => {
+					statusNotice.appendChild(document.createTextNode(line));
+					statusNotice.appendChild(document.createElement('br'));
+				});
+			};
+
+			const gameConfig = {
+				'persistentPaths': persistentPaths,
+				'unloadAfterInit': false,
+				'canvas': gameCanvas,
+				'canvasResizePolicy': 1,
+				'onExit': function () {
+					gameCanvas = replaceCanvas(gameCanvas);
+					setGameTabEnabled(false);
+					showTab('editor');
+					game = null;
+				},
+			};
+
+			var OnEditorExit = function () {
+				showTab('loader');
+				setLoaderEnabled(true);
+			};
+			function Execute(args) {
+				const is_editor = args.filter(function(v) { return v == '--editor' || v == '-e' }).length != 0;
+				const is_project_manager = args.filter(function(v) { return v == '--project-manager' }).length != 0;
+				const is_game = !is_editor && !is_project_manager;
+				if (video_driver) {
+					args.push('--rendering-driver', video_driver);
+				}
+
+				if (is_game) {
+					if (game) {
+						console.error("A game is already running. Close it first");
+						return;
+					}
+					setGameTabEnabled(true);
+					game = new Engine(gameConfig);
+					showTab('game');
+					game.init().then(function() {
+						requestAnimationFrame(function() {
+							game.start({'args': args, 'canvas': gameCanvas}).then(function() {
+								gameCanvas.focus();
+							});
+						});
+					});
+				} else { // New editor instances will be run in the same canvas. We want to wait for it to exit.
+					OnEditorExit = function(code) {
+						setLoaderEnabled(true);
+						setTimeout(function() {
+							editor.init().then(function() {
+								setLoaderEnabled(false);
+								OnEditorExit = function() {
+									showTab('loader');
+									setLoaderEnabled(true);
+								};
+								editor.start({'args': args, 'persistentDrops': is_project_manager, 'canvas': editorCanvas});
+							});
+						}, 0);
+						OnEditorExit = null;
+					};
+				}
+			}
+
+			const editorConfig = {
+				'unloadAfterInit': false,
+				'onProgress': function progressFunction (current, total) {
+					if (total > 0) {
+						statusProgressInner.style.width = current/total * 100 + '%';
+						setStatusMode('progress');
+						if (current === total) {
+							// wait for progress bar animation
+							setTimeout(() => {
+								setStatusMode('indeterminate');
+							}, 100);
+						}
+					} else {
+						setStatusMode('indeterminate');
+					}
+				},
+				'canvas': editorCanvas,
+				'canvasResizePolicy': 0,
+				'onExit': function() {
+					editorCanvas = replaceCanvas(editorCanvas);
+					if (OnEditorExit) {
+						OnEditorExit();
+					}
+				},
+				'onExecute': Execute,
+				'persistentPaths': persistentPaths,
+			};
+			editor = new Engine(editorConfig);
+
+			function displayFailureNotice(err) {
+				var msg = err.message || err;
+				console.error(msg);
+				setStatusNotice(msg);
+				setStatusMode('notice');
+				initializing = false;
+			};
+
+			if (!Engine.isWebGLAvailable()) {
+				displayFailureNotice('WebGL not available');
+			} else {
+				setStatusMode('indeterminate');
+				editor.init('godot.tools').then(function() {
+					if (zip) {
+						editor.copyToFS("/tmp/preload.zip", zip);
+					}
+					try {
+						// Avoid user creating project in the persistent root folder.
+						editor.copyToFS("/home/web_user/keep", new Uint8Array());
+					} catch(e) {
+						// File exists
+					}
+					selectVideoMode();
+					showTab('editor');
+					setLoaderEnabled(false);
+					const args = ['--project-manager', '--single-window'];
+					if (video_driver) {
+						args.push('--rendering-driver', video_driver);
+					}
+					editor.start({'args': args, 'persistentDrops': true}).then(function() {
+						setStatusMode('hidden');
+						initializing = false;
+					});
+				}).catch(displayFailureNotice);
+			}
+		};
+		document.getElementById("startButton").onclick = function() {
+			preloadZip(document.getElementById('zip-file')).then(function(zip) {
+				startEditor(zip);
+			});
+		}
+
+		function preloadZip(target) {
+			return new Promise(function(resolve, reject) {
+				if (target.files.length > 0) {
+					target.files[0].arrayBuffer().then(function(data) {
+						resolve(data);
+					});
+				} else {
+					resolve();
+				}
+			});
+		}
+	//]]></script>
+</body>
+</html>

godot.tools.wasm

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b78c77d76f67d77ed74206ab81993952200f85c344c59e1403d69535783fd5a7
+size 57390540

godot.tools.worker.js

@@ -0,0 +1 @@
+"use strict";var Module={};function threadPrintErr(){var text=Array.prototype.slice.call(arguments).join(" ");console.error(text)}function threadAlert(){var text=Array.prototype.slice.call(arguments).join(" ");postMessage({cmd:"alert",text:text,threadId:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=((info,receiveInstance)=>{var instance=new WebAssembly.Instance(Module["wasmModule"],info);receiveInstance(instance);Module["wasmModule"]=null;return instance.exports});self.onmessage=(e=>{try{if(e.data.cmd==="load"){Module["wasmModule"]=e.data.wasmModule;Module["wasmMemory"]=e.data.wasmMemory;Module["buffer"]=Module["wasmMemory"].buffer;Module["ENVIRONMENT_IS_PTHREAD"]=true;if(typeof e.data.urlOrBlob=="string"){importScripts(e.data.urlOrBlob)}else{var objectUrl=URL.createObjectURL(e.data.urlOrBlob);importScripts(objectUrl);URL.revokeObjectURL(objectUrl)}Godot(Module).then(function(instance){Module=instance})}else if(e.data.cmd==="run"){Module["__performance_now_clock_drift"]=performance.now()-e.data.time;Module["__emscripten_thread_init"](e.data.threadInfoStruct,0,0,1);Module["establishStackSpace"]();Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInit();try{var result=Module["invokeEntryPoint"](e.data.start_routine,e.data.arg);if(Module["keepRuntimeAlive"]()){Module["PThread"].setExitStatus(result)}else{Module["__emscripten_thread_exit"](result)}}catch(ex){if(ex!="unwind"){if(ex instanceof Module["ExitStatus"]){if(Module["keepRuntimeAlive"]()){}else{Module["__emscripten_thread_exit"](ex.status)}}else{throw ex}}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["__emscripten_thread_exit"](-1)}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="processThreadQueue"){if(Module["_pthread_self"]()){Module["_emscripten_current_thread_process_queued_calls"]()}}else if(e.data.cmd==="processProxyingQueue"){if(Module["_pthread_self"]()){Module["_emscripten_proxy_execute_queue"](e.data.queue)}}else{err("worker.js received unknown command "+e.data.cmd);err(e.data)}}catch(ex){err("worker.js onmessage() captured an uncaught exception: "+ex);if(ex&&ex.stack)err(ex.stack);if(Module["__emscripten_thread_crashed"]){Module["__emscripten_thread_crashed"]()}throw ex}});

manifest.json

@@ -0,0 +1,17 @@
+{
+  "name": "Godot Engine Web Editor",
+  "short_name": "Godot",
+  "description": "Multi-platform 2D and 3D game engine with a feature-rich editor (Web edition)",
+  "lang": "en",
+  "start_url": "./godot.tools.html",
+  "display": "standalone",
+  "theme_color": "#202531",
+  "icons": [
+    {
+      "src": "favicon.png",
+      "sizes": "256x256",
+      "type": "image/png"
+    }
+  ],
+  "background_color": "#333b4f"
+}

offline.html

@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta charset="utf-8" />
+	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
+	<meta name="viewport" content="width=device-width, initial-scale=1" />
+	<meta name="theme-color" content="#202531" />
+	<meta name="msapplication-navbutton-color" content="#202531" />
+	<title>You are offline</title>
+	<style>
+		html {
+			background-color: #333b4f;
+			color: #e0e0e0;
+		}
+
+		body {
+			font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+			margin: 2rem;
+		}
+
+		p {
+			margin-block: 1rem;
+		}
+
+		button {
+			display: block;
+			padding: 1rem 2rem;
+			margin: 3rem auto 0;
+		}
+	</style>
+</head>
+<body>
+	<h1>You are offline</h1>
+	<p>This application requires an Internet connection to run for the first time.</p>
+	<p>Press the button below to try reloading:</p>
+	<button type="button">Reload</button>
+
+	<script>
+		document.querySelector("button").addEventListener("click", () => {
+			window.location.reload();
+		});
+	</script>
+</body>
+</html>

service.worker.js

@@ -0,0 +1,105 @@
+// This service worker is required to expose an exported Godot project as a
+// Progressive Web App. It provides an offline fallback page telling the user
+// that they need an Internet connection to run the project if desired.
+// Incrementing CACHE_VERSION will kick off the install event and force
+// previously cached resources to be updated from the network.
+const CACHE_VERSION = "4.0.alpha.custom_build";
+const CACHE_PREFIX = "GodotEngine-sw-cache-";
+const CACHE_NAME = CACHE_PREFIX + CACHE_VERSION;
+const OFFLINE_URL = "offline.html";
+// Files that will be cached on load.
+const CACHED_FILES = ["godot.tools.html", "offline.html", "godot.tools.js", "godot.tools.worker.js", "godot.tools.audio.worklet.js", "logo.svg", "favicon.png"];
+// Files that we might not want the user to preload, and will only be cached on first load.
+const CACHABLE_FILES = ["godot.tools.wasm"];
+const FULL_CACHE = CACHED_FILES.concat(CACHABLE_FILES);
+
+self.addEventListener("install", (event) => {
+	event.waitUntil(caches.open(CACHE_NAME).then(cache => cache.addAll(CACHED_FILES)));
+});
+
+self.addEventListener("activate", (event) => {
+	event.waitUntil(caches.keys().then(
+		function (keys) {
+			// Remove old caches.
+			return Promise.all(keys.filter(key => key.startsWith(CACHE_PREFIX) && key != CACHE_NAME).map(key => caches.delete(key)));
+		}).then(function() {
+			// Enable navigation preload if available.
+			return ("navigationPreload" in self.registration) ? self.registration.navigationPreload.enable() : Promise.resolve();
+		})
+	);
+});
+
+async function fetchAndCache(event, cache, isCachable) {
+	// Use the preloaded response, if it's there
+	let response = await event.preloadResponse;
+	if (!response) {
+		// Or, go over network.
+		response = await self.fetch(event.request);
+	}
+	if (isCachable) {
+		// And update the cache
+		cache.put(event.request, response.clone());
+	}
+	return response;
+}
+
+self.addEventListener("fetch", (event) => {
+	const isNavigate = event.request.mode === "navigate";
+	const url = event.request.url || "";
+	const referrer = event.request.referrer || "";
+	const base = referrer.slice(0, referrer.lastIndexOf("/") + 1);
+	const local = url.startsWith(base) ? url.replace(base, "") : "";
+	const isCachable = FULL_CACHE.some(v => v === local) || (base === referrer && base.endsWith(CACHED_FILES[0]));
+	if (isNavigate || isCachable) {
+		event.respondWith(async function () {
+			// Try to use cache first
+			const cache = await caches.open(CACHE_NAME);
+			if (event.request.mode === "navigate") {
+				// Check if we have full cache during HTML page request.
+				const fullCache = await Promise.all(FULL_CACHE.map(name => cache.match(name)));
+				const missing = fullCache.some(v => v === undefined);
+				if (missing) {
+					try {
+						// Try network if some cached file is missing (so we can display offline page in case).
+						return await fetchAndCache(event, cache, isCachable);
+					} catch (e) {
+						// And return the hopefully always cached offline page in case of network failure.
+						console.error("Network error: ", e);
+						return await caches.match(OFFLINE_URL);
+					}
+				}
+			}
+			const cached = await cache.match(event.request);
+			if (cached) {
+				return cached;
+			} else {
+				// Try network if don't have it in cache.
+				return await fetchAndCache(event, cache, isCachable);
+			}
+		}());
+	}
+});
+
+self.addEventListener("message", (event) => {
+	// No cross origin
+	if (event.origin != self.origin) {
+		return;
+	}
+	const id = event.source.id || "";
+	const msg = event.data || "";
+	// Ensure it's one of our clients.
+	self.clients.get(id).then(function (client) {
+		if (!client) {
+			return; // Not a valid client.
+		}
+		if (msg === "claim") {
+			self.skipWaiting().then(() => self.clients.claim());
+		} else if (msg === "clear") {
+			caches.delete(CACHE_NAME);
+		} else if (msg === "update") {
+			self.skipWaiting().then(() => self.clients.claim()).then(() => self.clients.matchAll()).then(all => all.forEach(c => c.navigate(c.url)));
+		} else {
+			onClientMessage(event);
+		}
+	});
+});