Method initialize

packages/platform-web/src/BrowserRuntime.ts:102–187

* Initialize the runtime * 初始化运行时 * * @param wasmModule - Optional WASM module (from es_engine.js)

(wasmModule?: unknown)

     * @param wasmModule - Optional WASM module (from es_engine.js)
     */
    async initialize(wasmModule?: unknown): Promise<void> {
        if (this._initialized) {
            console.warn('[Runtime] Already initialized');
            return;
        }

        // Initialize browser file system service
        this._fileSystem = new BrowserFileSystemService({
            baseUrl: this._assetBaseUrl,
            catalogUrl: this._assetCatalogUrl,
            enableCache: true
        });
        await this._fileSystem.initialize();

        // Initialize asset reader
        this._assetReader = new BrowserAssetReader(this._assetBaseUrl);

        // Create browser platform adapter
        // 创建输入子系统，用于处理键盘、鼠标、触摸事件
        // Create input subsystem for keyboard, mouse, touch events
        // 使用 'direct' 模式，因为独立 Web 构建不使用 Tauri 代理
        // Use 'direct' mode since standalone web builds don't use Tauri proxy
        const platform = new BrowserPlatformAdapter({
            wasmModule: wasmModule ?? undefined,
            inputSubsystemFactory: () => new WebInputSubsystem(),
            assetBaseUrl: this._assetBaseUrl,
            pathResolveMode: 'direct'
        });

        // Create game runtime
        this._runtime = createGameRuntime({
            platform,
            canvasId: this._canvasId,
            width: this._width,
            height: this._height,
            autoStartRenderLoop: false
        });

        await this._runtime.initialize();

        // Register file system service
        const IFileSystemServiceKey = Symbol.for('IFileSystemService');
        if (!Core.services.isRegistered(IFileSystemServiceKey)) {
            Core.services.registerInstance(IFileSystemServiceKey, this._fileSystem);
        }

        // Set asset reader for AssetManager
        // 设置资产读取器
        if (this._assetReader && this._runtime.assetManager) {
            this._runtime.assetManager.setReader(this._assetReader);

            // Initialize AssetManager with catalog from BrowserFileSystemService
            // 使用 BrowserFileSystemService 的 catalog 初始化 AssetManager
            // Catalog format is now unified - no conversion needed
            // 目录格式已统一 - 无需转换
            if (this._fileSystem?.catalog) {
                const catalog = this._fileSystem.catalog;
                this._runtime.assetManager.initializeFromCatalog(catalog);