Files
esengine/packages/physics/physics-rapier2d/src/loaders/WeChatRapier2DLoader.ts

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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
2025-12-03 22:15:22 +08:00
/**
* Rapier2D
*
* 使 WXWebAssembly .wasm
*/
import type {
IWasmLibraryLoader,
WasmLibraryConfig,
PlatformInfo
} from '@esengine/platform-common';
import {
PlatformType,
installTextDecoderPolyfill,
installTextEncoderPolyfill
} from '@esengine/platform-common';
/**
* Rapier2D
*/
type RapierModule = typeof import('@esengine/rapier2d');
/**
* WASM API
*/
declare const WXWebAssembly: {
instantiate(
path: string,
imports?: WebAssembly.Imports
): Promise<WebAssembly.Instance>;
Memory: typeof WebAssembly.Memory;
Table: typeof WebAssembly.Table;
};
/**
* Rapier2D
*
*
* 1. TextDecoder/TextEncoder polyfill
* 2. 使 WXWebAssembly .wasm
* 3. WebAssembly
*
* @example
* ```typescript
* const loader = new WeChatRapier2DLoader(config);
* if (loader.isSupported()) {
* const RAPIER = await loader.load();
* // 使用 RAPIER...
* }
* ```
*/
export class WeChatRapier2DLoader implements IWasmLibraryLoader<RapierModule> {
private _config: WasmLibraryConfig;
/**
* Rapier2D
*
* @param config -
*/
constructor(config: WasmLibraryConfig) {
this._config = config;
}
/**
* Rapier2D
*
* @returns Rapier2D
*/
async load(): Promise<RapierModule> {
console.log(`[${this._config.name}] 正在加载微信小游戏版本...`);
// 1. 安装必要的 polyfills
this.installPolyfills();
// 2. 检查 WXWebAssembly 支持
if (typeof WXWebAssembly === 'undefined') {
throw new Error(
`[${this._config.name}] 当前微信基础库版本不支持 WebAssembly` +
'请升级微信或使用更高版本的基础库'
);
}
// 3. 加载 Rapier2D
const RAPIER = await this.loadRapierWithWXWasm();
console.log(`[${this._config.name}] 加载完成`);
return RAPIER;
}
/**
* polyfills
*/
private installPolyfills(): void {
const config = this._config.minigame;
if (config?.needsTextDecoderPolyfill) {
installTextDecoderPolyfill();
}
if (config?.needsTextEncoderPolyfill) {
installTextEncoderPolyfill();
}
}
/**
* 使 WXWebAssembly Rapier2D
*
* WebAssembly 使 Rapier2D 使 WXWebAssembly
*
* @returns Rapier2D
*/
private async loadRapierWithWXWasm(): Promise<RapierModule> {
// 保存原始 WebAssembly 对象
const originalWebAssembly = (globalThis as any).WebAssembly;
try {
// 创建一个包装的 WebAssembly 对象
// 让 Rapier2D 的初始化代码使用 WXWebAssembly
(globalThis as any).WebAssembly = this.createWXWebAssemblyWrapper();
// 导入 Rapier2D 标准版
const RAPIER = await import('@esengine/rapier2d');
// 初始化 WASM - 标准版需要提供 WASM 路径
const wasmPath = this._config.minigame?.wasmPath || 'wasm/rapier_wasm2d_bg.wasm';
await RAPIER.init(wasmPath);
return RAPIER;
} finally {
// 恢复原始 WebAssembly 对象
if (originalWebAssembly) {
(globalThis as any).WebAssembly = originalWebAssembly;
}
}
}
/**
* WXWebAssembly
*
* WXWebAssembly WebAssembly API
*
* @returns WebAssembly
*/
private createWXWebAssemblyWrapper(): typeof WebAssembly {
const wasmPath = this._config.minigame?.wasmPath || 'wasm/rapier2d_bg.wasm';
return {
instantiate: async (
bufferSource: BufferSource | WebAssembly.Module,
imports?: WebAssembly.Imports
): Promise<WebAssembly.WebAssemblyInstantiatedSource> => {
// WXWebAssembly.instantiate 直接接受文件路径
const instance = await WXWebAssembly.instantiate(wasmPath, imports);
return {
instance,
module: {} as WebAssembly.Module
};
},
instantiateStreaming: async (
response: Response | PromiseLike<Response>,
imports?: WebAssembly.Imports
): Promise<WebAssembly.WebAssemblyInstantiatedSource> => {
// 微信不支持 streaming直接使用 instantiate
const instance = await WXWebAssembly.instantiate(wasmPath, imports);
return {
instance,
module: {} as WebAssembly.Module
};
},
compile: async (bytes: BufferSource): Promise<WebAssembly.Module> => {
// 微信小游戏不支持单独编译
throw new Error('WXWebAssembly 不支持 compile 方法');
},
compileStreaming: async (source: Response | PromiseLike<Response>): Promise<WebAssembly.Module> => {
throw new Error('WXWebAssembly 不支持 compileStreaming 方法');
},
validate: (bytes: BufferSource): boolean => {
// 简单返回 true实际验证在 instantiate 时进行
return true;
},
Memory: WXWebAssembly.Memory,
Table: WXWebAssembly.Table,
Global: (globalThis as any).WebAssembly?.Global,
Tag: (globalThis as any).WebAssembly?.Tag,
Exception: (globalThis as any).WebAssembly?.Exception,
CompileError: (globalThis as any).WebAssembly?.CompileError || Error,
LinkError: (globalThis as any).WebAssembly?.LinkError || Error,
RuntimeError: (globalThis as any).WebAssembly?.RuntimeError || Error,
} as unknown as typeof WebAssembly;
}
/**
* WXWebAssembly
*
* @returns
*/
isSupported(): boolean {
return typeof WXWebAssembly !== 'undefined';
}
/**
*
* Get platform information
*/
getPlatformInfo(): PlatformInfo {
const needsPolyfills: string[] = [];
if (typeof globalThis.TextDecoder === 'undefined') {
needsPolyfills.push('TextDecoder');
}
if (typeof globalThis.TextEncoder === 'undefined') {
needsPolyfills.push('TextEncoder');
}
return {
type: PlatformType.WeChatMiniGame,
supportsWasm: typeof WXWebAssembly !== 'undefined',
supportsSharedArrayBuffer: false,
needsPolyfills,
isEditor: false // 微信小游戏不可能是编辑器环境 | WeChat cannot be editor
};
}
/**
*
*
* @returns
*/
getConfig(): WasmLibraryConfig {
return this._config;
}
}