feat: 添加跨平台运行时、资产系统和UI适配功能 (#256)
* feat(platform-common): 添加WASM加载器和环境检测API * feat(rapier2d): 新增Rapier2D WASM绑定包 * feat(physics-rapier2d): 添加跨平台WASM加载器 * feat(asset-system): 添加运行时资产目录和bundle格式 * feat(asset-system-editor): 新增编辑器资产管理包 * feat(editor-core): 添加构建系统和模块管理 * feat(editor-app): 重构浏览器预览使用import maps * feat(platform-web): 添加BrowserRuntime和资产读取 * feat(engine): 添加材质系统和着色器管理 * feat(material): 新增材质系统和着色器编辑器 * feat(tilemap): 增强tilemap编辑器和动画系统 * feat(modules): 添加module.json配置 * feat(core): 添加module.json和类型定义更新 * chore: 更新依赖和构建配置 * refactor(plugins): 更新插件模板使用ModuleManifest * chore: 添加第三方依赖库 * chore: 移除BehaviourTree-ai和ecs-astar子模块 * docs: 更新README和文档主题样式 * fix: 修复Rust文档测试和添加rapier2d WASM绑定 * fix(tilemap-editor): 修复画布高DPI屏幕分辨率适配问题 * feat(ui): 添加UI屏幕适配系统(CanvasScaler/SafeArea) * fix(ecs-engine-bindgen): 添加缺失的ecs-framework-math依赖 * fix: 添加缺失的包依赖修复CI构建 * fix: 修复CodeQL检测到的代码问题 * fix: 修复构建错误和缺失依赖 * fix: 修复类型检查错误 * fix(material-system): 修复tsconfig配置支持TypeScript项目引用 * fix(editor-core): 修复Rollup构建配置添加tauri external * fix: 修复CodeQL检测到的代码问题 * fix: 修复CodeQL检测到的代码问题
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GitHub
237
packages/physics-rapier2d/src/loaders/WeChatRapier2DLoader.ts
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237
packages/physics-rapier2d/src/loaders/WeChatRapier2DLoader.ts
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/**
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* 微信小游戏平台 Rapier2D 加载器
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*
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* 使用 WXWebAssembly 加载独立的 .wasm 文件
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*/
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import type {
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IWasmLibraryLoader,
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WasmLibraryConfig,
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PlatformInfo
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} from '@esengine/platform-common';
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import {
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PlatformType,
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installTextDecoderPolyfill,
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installTextEncoderPolyfill
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} from '@esengine/platform-common';
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/**
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* Rapier2D 模块类型
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*/
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type RapierModule = typeof import('@esengine/rapier2d');
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/**
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* 微信小游戏 WASM API 类型声明
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*/
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declare const WXWebAssembly: {
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instantiate(
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path: string,
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imports?: WebAssembly.Imports
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): Promise<WebAssembly.Instance>;
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Memory: typeof WebAssembly.Memory;
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Table: typeof WebAssembly.Table;
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};
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/**
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* 微信小游戏平台 Rapier2D 加载器
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*
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* 特殊处理：
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* 1. 安装 TextDecoder/TextEncoder polyfill
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* 2. 使用 WXWebAssembly 加载 .wasm 文件
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* 3. 临时替换全局 WebAssembly 对象
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*
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* @example
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* ```typescript
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* const loader = new WeChatRapier2DLoader(config);
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* if (loader.isSupported()) {
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* const RAPIER = await loader.load();
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* // 使用 RAPIER...
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* }
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* ```
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*/
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export class WeChatRapier2DLoader implements IWasmLibraryLoader<RapierModule> {
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private _config: WasmLibraryConfig;
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/**
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* 创建微信小游戏平台 Rapier2D 加载器
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*
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* @param config - 加载器配置
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*/
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constructor(config: WasmLibraryConfig) {
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this._config = config;
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}
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/**
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* 加载 Rapier2D 模块
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*
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* @returns 初始化完成的 Rapier2D 模块
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*/
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async load(): Promise<RapierModule> {
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console.log(`[${this._config.name}] 正在加载微信小游戏版本...`);
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// 1. 安装必要的 polyfills
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this.installPolyfills();
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// 2. 检查 WXWebAssembly 支持
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if (typeof WXWebAssembly === 'undefined') {
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throw new Error(
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`[${this._config.name}] 当前微信基础库版本不支持 WebAssembly，` +
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'请升级微信或使用更高版本的基础库'
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);
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}
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// 3. 加载 Rapier2D
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const RAPIER = await this.loadRapierWithWXWasm();
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console.log(`[${this._config.name}] 加载完成`);
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return RAPIER;
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}
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/**
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* 安装必要的 polyfills
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*/
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private installPolyfills(): void {
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const config = this._config.minigame;
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if (config?.needsTextDecoderPolyfill) {
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installTextDecoderPolyfill();
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}
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if (config?.needsTextEncoderPolyfill) {
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installTextEncoderPolyfill();
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}
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}
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/**
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* 使用 WXWebAssembly 加载 Rapier2D
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*
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* 通过临时替换全局 WebAssembly 对象来使 Rapier2D 使用 WXWebAssembly
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*
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* @returns 初始化完成的 Rapier2D 模块
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*/
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private async loadRapierWithWXWasm(): Promise<RapierModule> {
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// 保存原始 WebAssembly 对象
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const originalWebAssembly = (globalThis as any).WebAssembly;
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try {
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// 创建一个包装的 WebAssembly 对象
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// 让 Rapier2D 的初始化代码使用 WXWebAssembly
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(globalThis as any).WebAssembly = this.createWXWebAssemblyWrapper();
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// 导入 Rapier2D 标准版
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const RAPIER = await import('@esengine/rapier2d');
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// 初始化 WASM - 标准版需要提供 WASM 路径
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const wasmPath = this._config.minigame?.wasmPath || 'wasm/rapier_wasm2d_bg.wasm';
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await RAPIER.init(wasmPath);
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return RAPIER;
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} finally {
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// 恢复原始 WebAssembly 对象
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if (originalWebAssembly) {
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(globalThis as any).WebAssembly = originalWebAssembly;
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}
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}
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}
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/**
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* 创建 WXWebAssembly 包装器
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*
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* 将 WXWebAssembly 包装成与标准 WebAssembly API 兼容的形式
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*
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* @returns 包装后的 WebAssembly 对象
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*/
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private createWXWebAssemblyWrapper(): typeof WebAssembly {
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const wasmPath = this._config.minigame?.wasmPath || 'wasm/rapier2d_bg.wasm';
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return {
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instantiate: async (
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bufferSource: BufferSource | WebAssembly.Module,
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imports?: WebAssembly.Imports
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): Promise<WebAssembly.WebAssemblyInstantiatedSource> => {
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// WXWebAssembly.instantiate 直接接受文件路径
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const instance = await WXWebAssembly.instantiate(wasmPath, imports);
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return {
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instance,
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module: {} as WebAssembly.Module
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};
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},
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instantiateStreaming: async (
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response: Response | PromiseLike<Response>,
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imports?: WebAssembly.Imports
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): Promise<WebAssembly.WebAssemblyInstantiatedSource> => {
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// 微信不支持 streaming，直接使用 instantiate
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const instance = await WXWebAssembly.instantiate(wasmPath, imports);
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return {
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instance,
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module: {} as WebAssembly.Module
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};
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},
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compile: async (bytes: BufferSource): Promise<WebAssembly.Module> => {
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// 微信小游戏不支持单独编译
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throw new Error('WXWebAssembly 不支持 compile 方法');
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},
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compileStreaming: async (source: Response | PromiseLike<Response>): Promise<WebAssembly.Module> => {
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throw new Error('WXWebAssembly 不支持 compileStreaming 方法');
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},
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validate: (bytes: BufferSource): boolean => {
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// 简单返回 true，实际验证在 instantiate 时进行
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return true;
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},
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Memory: WXWebAssembly.Memory,
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Table: WXWebAssembly.Table,
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Global: (globalThis as any).WebAssembly?.Global,
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Tag: (globalThis as any).WebAssembly?.Tag,
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Exception: (globalThis as any).WebAssembly?.Exception,
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CompileError: (globalThis as any).WebAssembly?.CompileError || Error,
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LinkError: (globalThis as any).WebAssembly?.LinkError || Error,
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RuntimeError: (globalThis as any).WebAssembly?.RuntimeError || Error,
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} as unknown as typeof WebAssembly;
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}
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/**
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* 检查是否支持 WXWebAssembly
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*
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* @returns 是否支持
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*/
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isSupported(): boolean {
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return typeof WXWebAssembly !== 'undefined';
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}
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/**
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* 获取平台信息
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* Get platform information
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*/
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getPlatformInfo(): PlatformInfo {
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const needsPolyfills: string[] = [];
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if (typeof globalThis.TextDecoder === 'undefined') {
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needsPolyfills.push('TextDecoder');
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}
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if (typeof globalThis.TextEncoder === 'undefined') {
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needsPolyfills.push('TextEncoder');
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}
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return {
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type: PlatformType.WeChatMiniGame,
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supportsWasm: typeof WXWebAssembly !== 'undefined',
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supportsSharedArrayBuffer: false,
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needsPolyfills,
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isEditor: false // 微信小游戏不可能是编辑器环境 | WeChat cannot be editor
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};
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}
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/**
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* 获取加载器配置
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*
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* @returns 配置对象
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*/
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getConfig(): WasmLibraryConfig {
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return this._config;
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}
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}
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