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-rw-r--r--platform/javascript/engine/engine.js184
-rw-r--r--platform/javascript/engine/externs.js3
-rw-r--r--platform/javascript/engine/loader.js33
-rw-r--r--platform/javascript/engine/preloader.js139
-rw-r--r--platform/javascript/engine/utils.js69
5 files changed, 0 insertions, 428 deletions
diff --git a/platform/javascript/engine/engine.js b/platform/javascript/engine/engine.js
deleted file mode 100644
index 6d7509377f..0000000000
--- a/platform/javascript/engine/engine.js
+++ /dev/null
@@ -1,184 +0,0 @@
-Function('return this')()['Engine'] = (function() {
-
- var unloadAfterInit = true;
- var canvas = null;
- var resizeCanvasOnStart = false;
- var customLocale = 'en_US';
- var wasmExt = '.wasm';
-
- var preloader = new Preloader();
- var loader = new Loader();
- var rtenv = null;
-
- var executableName = '';
- var loadPath = '';
- var loadPromise = null;
- var initPromise = null;
- var stderr = null;
- var stdout = null;
- var progressFunc = null;
-
- function load(basePath) {
- if (loadPromise == null) {
- loadPath = basePath;
- loadPromise = preloader.loadPromise(basePath + wasmExt);
- preloader.setProgressFunc(progressFunc);
- requestAnimationFrame(preloader.animateProgress);
- }
- return loadPromise;
- };
-
- function unload() {
- loadPromise = null;
- };
-
- /** @constructor */
- function Engine() {};
-
- Engine.prototype.init = /** @param {string=} basePath */ function(basePath) {
- if (initPromise) {
- return initPromise;
- }
- if (!loadPromise) {
- if (!basePath) {
- initPromise = Promise.reject(new Error("A base path must be provided when calling `init` and the engine is not loaded."));
- return initPromise;
- }
- load(basePath);
- }
- var config = {}
- if (typeof stdout === 'function')
- config.print = stdout;
- if (typeof stderr === 'function')
- config.printErr = stderr;
- initPromise = loader.init(loadPromise, loadPath, config).then(function() {
- return new Promise(function(resolve, reject) {
- rtenv = loader.env;
- if (unloadAfterInit) {
- loadPromise = null;
- }
- resolve();
- });
- });
- return initPromise;
- };
-
- /** @type {function(string, string):Object} */
- Engine.prototype.preloadFile = function(file, path) {
- return preloader.preload(file, path);
- };
-
- /** @type {function(...string):Object} */
- Engine.prototype.start = function() {
- // Start from arguments.
- var args = [];
- for (var i = 0; i < arguments.length; i++) {
- args.push(arguments[i]);
- }
- var me = this;
- return new Promise(function(resolve, reject) {
- return me.init().then(function() {
- if (!(canvas instanceof HTMLCanvasElement)) {
- canvas = Utils.findCanvas();
- }
- rtenv['locale'] = customLocale;
- rtenv['canvas'] = canvas;
- rtenv['thisProgram'] = executableName;
- rtenv['resizeCanvasOnStart'] = resizeCanvasOnStart;
- loader.start(preloader.preloadedFiles, args).then(function() {
- loader = null;
- initPromise = null;
- resolve();
- });
- });
- });
- };
-
- Engine.prototype.startGame = function(execName, mainPack) {
- // Start and init with execName as loadPath if not inited.
- executableName = execName;
- var me = this;
- return Promise.all([
- this.init(execName),
- this.preloadFile(mainPack, mainPack)
- ]).then(function() {
- return me.start('--main-pack', mainPack);
- });
- };
-
- Engine.prototype.setWebAssemblyFilenameExtension = function(override) {
- if (String(override).length === 0) {
- throw new Error('Invalid WebAssembly filename extension override');
- }
- wasmExt = String(override);
- };
-
- Engine.prototype.setUnloadAfterInit = function(enabled) {
- unloadAfterInit = enabled;
- };
-
- Engine.prototype.setCanvas = function(canvasElem) {
- canvas = canvasElem;
- };
-
- Engine.prototype.setCanvasResizedOnStart = function(enabled) {
- resizeCanvasOnStart = enabled;
- };
-
- Engine.prototype.setLocale = function(locale) {
- customLocale = locale;
- };
-
- Engine.prototype.setExecutableName = function(newName) {
- executableName = newName;
- };
-
- Engine.prototype.setProgressFunc = function(func) {
- progressFunc = func;
- }
-
- Engine.prototype.setStdoutFunc = function(func) {
-
- var print = function(text) {
- if (arguments.length > 1) {
- text = Array.prototype.slice.call(arguments).join(" ");
- }
- func(text);
- };
- if (rtenv)
- rtenv.print = print;
- stdout = print;
- };
-
- Engine.prototype.setStderrFunc = function(func) {
-
- var printErr = function(text) {
- if (arguments.length > 1)
- text = Array.prototype.slice.call(arguments).join(" ");
- func(text);
- };
- if (rtenv)
- rtenv.printErr = printErr;
- stderr = printErr;
- };
-
- // Closure compiler exported engine methods.
- /** @export */
- Engine['isWebGLAvailable'] = Utils.isWebGLAvailable;
- Engine['load'] = load;
- Engine['unload'] = unload;
- Engine.prototype['init'] = Engine.prototype.init
- Engine.prototype['preloadFile'] = Engine.prototype.preloadFile
- Engine.prototype['start'] = Engine.prototype.start
- Engine.prototype['startGame'] = Engine.prototype.startGame
- Engine.prototype['setWebAssemblyFilenameExtension'] = Engine.prototype.setWebAssemblyFilenameExtension
- Engine.prototype['setUnloadAfterInit'] = Engine.prototype.setUnloadAfterInit
- Engine.prototype['setCanvas'] = Engine.prototype.setCanvas
- Engine.prototype['setCanvasResizedOnStart'] = Engine.prototype.setCanvasResizedOnStart
- Engine.prototype['setLocale'] = Engine.prototype.setLocale
- Engine.prototype['setExecutableName'] = Engine.prototype.setExecutableName
- Engine.prototype['setProgressFunc'] = Engine.prototype.setProgressFunc
- Engine.prototype['setStdoutFunc'] = Engine.prototype.setStdoutFunc
- Engine.prototype['setStderrFunc'] = Engine.prototype.setStderrFunc
- return Engine;
-})();
diff --git a/platform/javascript/engine/externs.js b/platform/javascript/engine/externs.js
deleted file mode 100644
index 1a94dd15ec..0000000000
--- a/platform/javascript/engine/externs.js
+++ /dev/null
@@ -1,3 +0,0 @@
-var Godot;
-var WebAssembly = {};
-WebAssembly.instantiate = function(buffer, imports) {};
diff --git a/platform/javascript/engine/loader.js b/platform/javascript/engine/loader.js
deleted file mode 100644
index d27fbf612e..0000000000
--- a/platform/javascript/engine/loader.js
+++ /dev/null
@@ -1,33 +0,0 @@
-var Loader = /** @constructor */ function() {
-
- this.env = null;
-
- this.init = function(loadPromise, basePath, config) {
- var me = this;
- return new Promise(function(resolve, reject) {
- var cfg = config || {};
- cfg['locateFile'] = Utils.createLocateRewrite(basePath);
- cfg['instantiateWasm'] = Utils.createInstantiatePromise(loadPromise);
- loadPromise = null;
- Godot(cfg).then(function(module) {
- me.env = module;
- resolve();
- });
- });
- }
-
- this.start = function(preloadedFiles, args) {
- var me = this;
- return new Promise(function(resolve, reject) {
- if (!me.env) {
- reject(new Error('The engine must be initialized before it can be started'));
- }
- preloadedFiles.forEach(function(file) {
- Utils.copyToFS(me.env['FS'], file.path, file.buffer);
- });
- preloadedFiles.length = 0; // Clear memory
- me.env['callMain'](args);
- resolve();
- });
- }
-};
diff --git a/platform/javascript/engine/preloader.js b/platform/javascript/engine/preloader.js
deleted file mode 100644
index 17918eae38..0000000000
--- a/platform/javascript/engine/preloader.js
+++ /dev/null
@@ -1,139 +0,0 @@
-var Preloader = /** @constructor */ function() {
-
- var DOWNLOAD_ATTEMPTS_MAX = 4;
- var progressFunc = null;
- var lastProgress = { loaded: 0, total: 0 };
-
- var loadingFiles = {};
- this.preloadedFiles = [];
-
- function loadXHR(resolve, reject, file, tracker) {
- var xhr = new XMLHttpRequest;
- xhr.open('GET', file);
- if (!file.endsWith('.js')) {
- xhr.responseType = 'arraybuffer';
- }
- ['loadstart', 'progress', 'load', 'error', 'abort'].forEach(function(ev) {
- xhr.addEventListener(ev, onXHREvent.bind(xhr, resolve, reject, file, tracker));
- });
- xhr.send();
- }
-
- function onXHREvent(resolve, reject, file, tracker, ev) {
-
- if (this.status >= 400) {
-
- if (this.status < 500 || ++tracker[file].attempts >= DOWNLOAD_ATTEMPTS_MAX) {
- reject(new Error("Failed loading file '" + file + "': " + this.statusText));
- this.abort();
- return;
- } else {
- setTimeout(loadXHR.bind(null, resolve, reject, file, tracker), 1000);
- }
- }
-
- switch (ev.type) {
- case 'loadstart':
- if (tracker[file] === undefined) {
- tracker[file] = {
- total: ev.total,
- loaded: ev.loaded,
- attempts: 0,
- final: false,
- };
- }
- break;
-
- case 'progress':
- tracker[file].loaded = ev.loaded;
- tracker[file].total = ev.total;
- break;
-
- case 'load':
- tracker[file].final = true;
- resolve(this);
- break;
-
- case 'error':
- if (++tracker[file].attempts >= DOWNLOAD_ATTEMPTS_MAX) {
- tracker[file].final = true;
- reject(new Error("Failed loading file '" + file + "'"));
- } else {
- setTimeout(loadXHR.bind(null, resolve, reject, file, tracker), 1000);
- }
- break;
-
- case 'abort':
- tracker[file].final = true;
- reject(new Error("Loading file '" + file + "' was aborted."));
- break;
- }
- }
-
- this.loadPromise = function(file) {
- return new Promise(function(resolve, reject) {
- loadXHR(resolve, reject, file, loadingFiles);
- });
- }
-
- this.preload = function(pathOrBuffer, destPath) {
- if (pathOrBuffer instanceof ArrayBuffer) {
- pathOrBuffer = new Uint8Array(pathOrBuffer);
- } else if (ArrayBuffer.isView(pathOrBuffer)) {
- pathOrBuffer = new Uint8Array(pathOrBuffer.buffer);
- }
- if (pathOrBuffer instanceof Uint8Array) {
- this.preloadedFiles.push({
- path: destPath,
- buffer: pathOrBuffer
- });
- return Promise.resolve();
- } else if (typeof pathOrBuffer === 'string') {
- var me = this;
- return this.loadPromise(pathOrBuffer).then(function(xhr) {
- me.preloadedFiles.push({
- path: destPath || pathOrBuffer,
- buffer: xhr.response
- });
- return Promise.resolve();
- });
- } else {
- throw Promise.reject("Invalid object for preloading");
- }
- };
-
- var animateProgress = function() {
-
- var loaded = 0;
- var total = 0;
- var totalIsValid = true;
- var progressIsFinal = true;
-
- Object.keys(loadingFiles).forEach(function(file) {
- const stat = loadingFiles[file];
- if (!stat.final) {
- progressIsFinal = false;
- }
- if (!totalIsValid || stat.total === 0) {
- totalIsValid = false;
- total = 0;
- } else {
- total += stat.total;
- }
- loaded += stat.loaded;
- });
- if (loaded !== lastProgress.loaded || total !== lastProgress.total) {
- lastProgress.loaded = loaded;
- lastProgress.total = total;
- if (typeof progressFunc === 'function')
- progressFunc(loaded, total);
- }
- if (!progressIsFinal)
- requestAnimationFrame(animateProgress);
- }
- this.animateProgress = animateProgress; // Also exposed to start it.
-
- this.setProgressFunc = function(callback) {
- progressFunc = callback;
- }
-};
diff --git a/platform/javascript/engine/utils.js b/platform/javascript/engine/utils.js
deleted file mode 100644
index fdff90a923..0000000000
--- a/platform/javascript/engine/utils.js
+++ /dev/null
@@ -1,69 +0,0 @@
-var Utils = {
-
- createLocateRewrite: function(execName) {
- function rw(path) {
- if (path.endsWith('.worker.js')) {
- return execName + '.worker.js';
- } else if (path.endsWith('.js')) {
- return execName + '.js';
- } else if (path.endsWith('.wasm')) {
- return execName + '.wasm';
- }
- }
- return rw;
- },
-
- createInstantiatePromise: function(wasmLoader) {
- function instantiateWasm(imports, onSuccess) {
- wasmLoader.then(function(xhr) {
- WebAssembly.instantiate(xhr.response, imports).then(function(result) {
- onSuccess(result['instance'], result['module']);
- });
- });
- wasmLoader = null;
- return {};
- };
-
- return instantiateWasm;
- },
-
- copyToFS: function(fs, path, buffer) {
- var p = path.lastIndexOf("/");
- var dir = "/";
- if (p > 0) {
- dir = path.slice(0, path.lastIndexOf("/"));
- }
- try {
- fs.stat(dir);
- } catch (e) {
- if (e.errno !== 44) { // 'ENOENT', see https://github.com/emscripten-core/emscripten/blob/master/system/lib/libc/musl/arch/emscripten/bits/errno.h
- throw e;
- }
- fs['mkdirTree'](dir);
- }
- // With memory growth, canOwn should be false.
- fs['writeFile'](path, new Uint8Array(buffer), {'flags': 'wx+'});
- },
-
- findCanvas: function() {
- var nodes = document.getElementsByTagName('canvas');
- if (nodes.length && nodes[0] instanceof HTMLCanvasElement) {
- return nodes[0];
- }
- throw new Error("No canvas found");
- },
-
- isWebGLAvailable: function(majorVersion = 1) {
-
- var testContext = false;
- try {
- var testCanvas = document.createElement('canvas');
- if (majorVersion === 1) {
- testContext = testCanvas.getContext('webgl') || testCanvas.getContext('experimental-webgl');
- } else if (majorVersion === 2) {
- testContext = testCanvas.getContext('webgl2') || testCanvas.getContext('experimental-webgl2');
- }
- } catch (e) {}
- return !!testContext;
- }
-};
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