virtualx-engine/platform/javascript/js/engine/config.js

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/** @constructor */
function EngineConfig(opts) {
// Module config
this.unloadAfterInit = true;
this.onPrintError = function () {
console.error.apply(console, Array.from(arguments)); // eslint-disable-line no-console
};
this.onPrint = function () {
console.log.apply(console, Array.from(arguments)); // eslint-disable-line no-console
};
this.onProgress = null;
// Godot Config
this.canvas = null;
this.executable = '';
this.mainPack = null;
this.locale = null;
this.canvasResizePolicy = false;
this.persistentPaths = ['/userfs'];
this.gdnativeLibs = [];
this.args = [];
this.onExecute = null;
this.onExit = null;
this.update(opts);
}
EngineConfig.prototype.update = function (opts) {
const config = opts || {};
function parse(key, def) {
if (typeof (config[key]) === 'undefined') {
return def;
}
return config[key];
}
// Module config
this.unloadAfterInit = parse('unloadAfterInit', this.unloadAfterInit);
this.onPrintError = parse('onPrintError', this.onPrintError);
this.onPrint = parse('onPrint', this.onPrint);
this.onProgress = parse('onProgress', this.onProgress);
// Godot config
this.canvas = parse('canvas', this.canvas);
this.executable = parse('executable', this.executable);
this.mainPack = parse('mainPack', this.mainPack);
this.locale = parse('locale', this.locale);
this.canvasResizePolicy = parse('canvasResizePolicy', this.canvasResizePolicy);
this.persistentPaths = parse('persistentPaths', this.persistentPaths);
this.gdnativeLibs = parse('gdnativeLibs', this.gdnativeLibs);
this.args = parse('args', this.args);
this.onExecute = parse('onExecute', this.onExecute);
this.onExit = parse('onExit', this.onExit);
};
EngineConfig.prototype.getModuleConfig = function (loadPath, loadPromise) {
const me = this;
return {
'print': this.onPrint,
'printErr': this.onPrintError,
'locateFile': Utils.createLocateRewrite(loadPath),
'instantiateWasm': Utils.createInstantiatePromise(loadPromise),
'thisProgram': me.executable,
'noExitRuntime': true,
'dynamicLibraries': [`${me.executable}.side.wasm`],
};
};
EngineConfig.prototype.getGodotConfig = function (cleanup) {
if (!(this.canvas instanceof HTMLCanvasElement)) {
this.canvas = Utils.findCanvas();
if (!this.canvas) {
throw new Error('No canvas found in page');
}
}
// Canvas can grab focus on click, or key events won't work.
if (this.canvas.tabIndex < 0) {
this.canvas.tabIndex = 0;
}
// Browser locale, or custom one if defined.
let locale = this.locale;
if (!locale) {
locale = navigator.languages ? navigator.languages[0] : navigator.language;
locale = locale.split('.')[0];
}
const onExit = this.onExit;
// Godot configuration.
return {
'canvas': this.canvas,
'canvasResizePolicy': this.canvasResizePolicy,
'locale': locale,
'onExecute': this.onExecute,
'onExit': function (p_code) {
cleanup(); // We always need to call the cleanup callback to free memory.
if (typeof (onExit) === 'function') {
onExit(p_code);
}
},
};
};