diff options
Diffstat (limited to 'platform/javascript/js/engine/engine.js')
-rw-r--r-- | platform/javascript/js/engine/engine.js | 230 |
1 files changed, 41 insertions, 189 deletions
diff --git a/platform/javascript/js/engine/engine.js b/platform/javascript/js/engine/engine.js index 01232cbece..d14e0e5806 100644 --- a/platform/javascript/js/engine/engine.js +++ b/platform/javascript/js/engine/engine.js @@ -1,20 +1,14 @@ const Engine = (function () { const preloader = new Preloader(); - let wasmExt = '.wasm'; - let unloadAfterInit = true; - let loadPath = ''; let loadPromise = null; + let loadPath = ''; let initPromise = null; - let stderr = null; - let stdout = null; - let progressFunc = null; function load(basePath) { if (loadPromise == null) { loadPath = basePath; - loadPromise = preloader.loadPromise(basePath + wasmExt); - preloader.setProgressFunc(progressFunc); + loadPromise = preloader.loadPromise(`${loadPath}.wasm`); requestAnimationFrame(preloader.animateProgress); } return loadPromise; @@ -25,16 +19,9 @@ const Engine = (function () { } /** @constructor */ - function Engine() { // eslint-disable-line no-shadow - this.canvas = null; - this.executableName = ''; + function Engine(opts) { // eslint-disable-line no-shadow + this.config = new EngineConfig(opts); this.rtenv = null; - this.customLocale = null; - this.resizeCanvasOnStart = false; - this.onExecute = null; - this.onExit = null; - this.persistentPaths = ['/userfs']; - this.gdnativeLibs = []; } Engine.prototype.init = /** @param {string=} basePath */ function (basePath) { @@ -48,25 +35,14 @@ const Engine = (function () { } load(basePath); } - let config = {}; - if (typeof stdout === 'function') { - config.print = stdout; - } - if (typeof stderr === 'function') { - config.printErr = stderr; - } + preloader.setProgressFunc(this.config.onProgress); + let config = this.config.getModuleConfig(loadPath, loadPromise); const me = this; initPromise = new Promise(function (resolve, reject) { - config['locateFile'] = Utils.createLocateRewrite(loadPath); - config['instantiateWasm'] = Utils.createInstantiatePromise(loadPromise); - // Emscripten configuration. - config['thisProgram'] = me.executableName; - config['noExitRuntime'] = true; - config['dynamicLibraries'] = [`${me.executableName}.side.wasm`].concat(me.gdnativeLibs); Godot(config).then(function (module) { - module['initFS'](me.persistentPaths).then(function (fs_err) { + module['initFS'](me.config.persistentPaths).then(function (fs_err) { me.rtenv = module; - if (unloadAfterInit) { + if (me.config.unloadAfterInit) { unload(); } resolve(); @@ -83,163 +59,60 @@ const Engine = (function () { }; /** @type {function(...string):Object} */ - Engine.prototype.start = function () { - // Start from arguments. - const args = []; - for (let i = 0; i < arguments.length; i++) { - args.push(arguments[i]); - } + Engine.prototype.start = function (override) { + this.config.update(override); const 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(); - if (!me.canvas) { - return Promise.reject(new Error('No canvas found in page')); - } - } - - // 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'); // eslint-disable-line no-alert - ev.preventDefault(); - }, false); - - // Browser locale, or custom one if defined. - let locale = me.customLocale; - if (!locale) { - locale = navigator.languages ? navigator.languages[0] : navigator.language; - locale = locale.split('.')[0]; + let config = {}; + try { + config = me.config.getGodotConfig(function () { + me.rtenv = null; + }); + } catch (e) { + return Promise.reject(e); } // Godot configuration. - me.rtenv['initConfig']({ - 'resizeCanvasOnStart': me.resizeCanvasOnStart, - 'canvas': me.canvas, - 'locale': locale, - 'onExecute': function (p_args) { - if (me.onExecute) { - me.onExecute(p_args); - return 0; - } - return 1; - }, - 'onExit': function (p_code) { - me.rtenv['deinitFS'](); - if (me.onExit) { - me.onExit(p_code); - } - me.rtenv = null; - }, - }); + me.rtenv['initConfig'](config); - return new Promise(function (resolve, reject) { - preloader.preloadedFiles.forEach(function (file) { - me.rtenv['copyToFS'](file.path, file.buffer); + // Preload GDNative libraries. + const libs = []; + me.config.gdnativeLibs.forEach(function (lib) { + libs.push(me.rtenv['loadDynamicLibrary'](lib, { 'loadAsync': true })); + }); + return Promise.all(libs).then(function () { + 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'](me.config.args); + initPromise = null; + resolve(); }); - preloader.preloadedFiles.length = 0; // Clear memory - me.rtenv['callMain'](args); - initPromise = null; - resolve(); }); }); }; - Engine.prototype.startGame = function (execName, mainPack, extraArgs) { + Engine.prototype.startGame = function (override) { + this.config.update(override); + // Add main-pack argument. + const exe = this.config.executable; + const pack = this.config.mainPack || `${exe}.pck`; + this.config.args = ['--main-pack', pack].concat(this.config.args); // Start and init with execName as loadPath if not inited. - this.executableName = execName; const me = this; return Promise.all([ - this.init(execName), - this.preloadFile(mainPack, mainPack), + this.init(exe), + this.preloadFile(pack, pack), ]).then(function () { - let args = ['--main-pack', mainPack]; - if (extraArgs) { - args = args.concat(extraArgs); - } - return me.start.apply(me, args); + return me.start.apply(me); }); }; - 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) { - const print = function (text) { - let msg = text; - if (arguments.length > 1) { - msg = Array.prototype.slice.call(arguments).join(' '); - } - func(msg); - }; - if (this.rtenv) { - this.rtenv.print = print; - } - stdout = print; - }; - - Engine.prototype.setStderrFunc = function (func) { - const printErr = function (text) { - let msg = text; - if (arguments.length > 1) { - msg = Array.prototype.slice.call(arguments).join(' '); - } - func(msg); - }; - if (this.rtenv) { - this.rtenv.printErr = printErr; - } - stderr = printErr; - }; - - Engine.prototype.setOnExecute = function (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'); @@ -247,14 +120,6 @@ const Engine = (function () { this.rtenv['copyToFS'](path, buffer); }; - Engine.prototype.setPersistentPaths = function (persistentPaths) { - this.persistentPaths = persistentPaths; - }; - - Engine.prototype.setGDNativeLibraries = function (gdnativeLibs) { - this.gdnativeLibs = gdnativeLibs; - }; - Engine.prototype.requestQuit = function () { if (this.rtenv) { this.rtenv['request_quit'](); @@ -270,20 +135,7 @@ const Engine = (function () { 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['setGDNativeLibraries'] = Engine.prototype.setGDNativeLibraries; Engine.prototype['requestQuit'] = Engine.prototype.requestQuit; return Engine; }()); |