diff options
Diffstat (limited to 'platform/javascript/engine/engine.js')
-rw-r--r-- | platform/javascript/engine/engine.js | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/platform/javascript/engine/engine.js b/platform/javascript/engine/engine.js deleted file mode 100644 index 05a11701c0..0000000000 --- a/platform/javascript/engine/engine.js +++ /dev/null @@ -1,261 +0,0 @@ -Function('return this')()['Engine'] = (function() { - var preloader = new Preloader(); - - var wasmExt = '.wasm'; - var unloadAfterInit = true; - 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() { - this.canvas = null; - this.executableName = ''; - this.rtenv = null; - this.customLocale = null; - this.resizeCanvasOnStart = false; - this.onExecute = null; - this.onExit = null; - this.persistentPaths = []; - }; - - Engine.prototype.init = /** @param {string=} basePath */ function(basePath) { - if (initPromise) { - return initPromise; - } - if (loadPromise == null) { - 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; - var me = this; - initPromise = new Promise(function(resolve, reject) { - config['locateFile'] = Utils.createLocateRewrite(loadPath); - config['instantiateWasm'] = Utils.createInstantiatePromise(loadPromise); - Godot(config).then(function(module) { - module['initFS'](me.persistentPaths).then(function(fs_err) { - me.rtenv = module; - if (unloadAfterInit) { - unload(); - } - resolve(); - config = null; - }); - }); - }); - 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 me.init().then(function() { - if (!me.rtenv) { - return Promise.reject(new Error('The engine must be initialized before it can be started')); - } - - if (!(me.canvas instanceof HTMLCanvasElement)) { - me.canvas = Utils.findCanvas(); - } - - // Canvas can grab focus on click, or key events won't work. - if (me.canvas.tabIndex < 0) { - me.canvas.tabIndex = 0; - } - - // Disable right-click context menu. - me.canvas.addEventListener('contextmenu', function(ev) { - ev.preventDefault(); - }, false); - - // Until context restoration is implemented warn the user of context loss. - me.canvas.addEventListener('webglcontextlost', function(ev) { - alert("WebGL context lost, please reload the page"); - ev.preventDefault(); - }, false); - - // Browser locale, or custom one if defined. - var locale = me.customLocale; - if (!locale) { - locale = navigator.languages ? navigator.languages[0] : navigator.language; - locale = locale.split('.')[0]; - } - me.rtenv['locale'] = locale; - me.rtenv['canvas'] = me.canvas; - me.rtenv['thisProgram'] = me.executableName; - me.rtenv['resizeCanvasOnStart'] = me.resizeCanvasOnStart; - me.rtenv['noExitRuntime'] = true; - me.rtenv['onExecute'] = me.onExecute; - me.rtenv['onExit'] = function(code) { - me.rtenv['deinitFS'](); - if (me.onExit) - me.onExit(code); - me.rtenv = null; - }; - return new Promise(function(resolve, reject) { - preloader.preloadedFiles.forEach(function(file) { - me.rtenv['copyToFS'](file.path, file.buffer); - }); - preloader.preloadedFiles.length = 0; // Clear memory - me.rtenv['callMain'](args); - initPromise = null; - resolve(); - }); - }); - }; - - Engine.prototype.startGame = function(execName, mainPack, extraArgs) { - // Start and init with execName as loadPath if not inited. - this.executableName = execName; - var me = this; - return Promise.all([ - this.init(execName), - this.preloadFile(mainPack, mainPack) - ]).then(function() { - var args = ['--main-pack', mainPack]; - if (extraArgs) - args = args.concat(extraArgs); - return me.start.apply(me, args); - }); - }; - - 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) { - this.canvas = canvasElem; - }; - - Engine.prototype.setCanvasResizedOnStart = function(enabled) { - this.resizeCanvasOnStart = enabled; - }; - - Engine.prototype.setLocale = function(locale) { - this.customLocale = locale; - }; - - Engine.prototype.setExecutableName = function(newName) { - this.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 (this.rtenv) - this.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 (this.rtenv) - this.rtenv.printErr = printErr; - stderr = printErr; - }; - - Engine.prototype.setOnExecute = function(onExecute) { - if (this.rtenv) - this.rtenv.onExecute = onExecute; - this.onExecute = onExecute; - }; - - Engine.prototype.setOnExit = function(onExit) { - this.onExit = onExit; - }; - - Engine.prototype.copyToFS = function(path, buffer) { - if (this.rtenv == null) { - throw new Error("Engine must be inited before copying files"); - } - this.rtenv['copyToFS'](path, buffer); - }; - - Engine.prototype.setPersistentPaths = function(persistentPaths) { - this.persistentPaths = persistentPaths; - }; - - Engine.prototype.requestQuit = function() { - if (this.rtenv) { - this.rtenv['request_quit'](); - } - }; - - // 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; - Engine.prototype['setOnExecute'] = Engine.prototype.setOnExecute; - Engine.prototype['setOnExit'] = Engine.prototype.setOnExit; - Engine.prototype['copyToFS'] = Engine.prototype.copyToFS; - Engine.prototype['setPersistentPaths'] = Engine.prototype.setPersistentPaths; - Engine.prototype['requestQuit'] = Engine.prototype.requestQuit; - return Engine; -})(); |