[adapters] 优化多线程特性文件结构，增加部分多线程音频系统代码，支持 Worker 子包特性（默认不开启），修复 Devtools 下强制不启用 Worker 问题

adapters/common/worker/cache-manager-proxy.js

@@ -0,0 +1,144 @@
+const { getUserDataPath, readJsonSync, makeDirSync, writeFileSync, copyFile, downloadFile, writeFile, deleteFile, rmdirSync, unzip, isOutOfStorage } = window.fsUtils;
+
+var cacheManager = {
+
+    // 以下为单向属性，修改会同步到 Worker 中
+    _cacheDir: 'gamecaches',
+    get cacheDir() {
+        return this._cacheDir;
+    },
+    set cacheDir(v) {
+        worker.cacheManager.set_cacheDir([this._cacheDir = v]);
+    },
+
+    _cachedFileName: 'cacheList.json',
+    get cachedFileName() {
+        return this._cachedFileName;
+    },
+    set cachedFileName(v) {
+        worker.cacheManager.set_cachedFileName([this._cachedFileName = v]);
+    },
+
+    _cacheEnabled: true,
+    get cacheEnabled() {
+        return this._cacheEnabled;
+    },
+    set cacheEnabled(v) {
+        worker.cacheManager.set_cacheEnabled([this._cacheEnabled = v]);
+    },
+
+    _autoClear: true,
+    get autoClear() {
+        return this._autoClear;
+    },
+    set autoClear(v) {
+        worker.cacheManager.set_autoClear([this._autoClear = v]);
+    },
+
+    _cacheInterval: 500,
+    get cacheInterval() {
+        return this._cacheInterval;
+    },
+    set cacheInterval(v) {
+        worker.cacheManager.set_cacheInterval([this._cacheInterval = v]);
+    },
+
+    _deleteInterval: 500,
+    get deleteInterval() {
+        return this._deleteInterval;
+    },
+    set deleteInterval(v) {
+        worker.cacheManager.set_deleteInterval([this._deleteInterval = v]);
+    },
+
+    // 以下属性未暴露，仅在 Worker 中保留
+    // writeFileInterval: 2000,
+    // outOfStorage: false,
+    // tempFiles: null,
+    // cacheQueue: {},
+
+    // 以下为只读属性，并且在变动时从 Worker 中同步，需注意 lastTime 可能不是最新的
+    cachedFiles: null,
+
+    // 以下为只读属性
+    version: '1.0',
+
+    // 增加 download 函数以在 Worker 执行下载逻辑
+    download(url, func, options, onFileProgress, onComplete) {
+        // 暂未实现 onFileProgress 回调
+        worker.cacheManager.download(
+            [url, options.reload, options.header, options.cacheEnabled, options.__cacheBundleRoot__],
+            ([errMsg, path]) => {
+                if (errMsg) {
+                    onComplete(new Error(errMsg), null);
+                    return;
+                }
+                func(path, options, (err, data) => {
+                    if (err) {
+                        this.removeCache(url);
+                    }
+                    onComplete(err, data);
+                });
+            },
+        );
+    },
+
+    // 增加 handleZip 函数以在 Worker 执行处理逻辑
+    handleZip(url, options, onComplete) {
+        // 暂未实现 options.onFileProgress 回调
+        worker.cacheManager.handleZip(
+            [url, options.header, options.__cacheBundleRoot__],
+            ([errMsg, path]) => {
+                if (errMsg) {
+                    onComplete(new Error(errMsg), null);
+                } else {
+                    onComplete(null, path);
+                }
+            },
+        );
+    },
+
+    getCache(url) {
+        return this.cachedFiles.has(url) ? this.cachedFiles.get(url).url : '';
+    },
+
+    // getTemp 改为异步函数
+    getTempAsync(url, callback) {
+        worker.cacheManager.getTemp([url], ([url]) => {
+            callback(url);
+        });
+    },
+
+    init() {
+        this._cacheDir = getUserDataPath() + '/' + this.cacheDir;
+        worker.cacheManager.init(null, ([cachedFiles]) => {
+            this.cachedFiles = new cc.AssetManager.Cache(cachedFiles);
+        });
+    },
+
+    clearCache() {
+        worker.cacheManager.clearCache(null, () => {
+            this.cachedFiles.clear();
+        });
+    },
+
+    clearLRU() {
+        worker.cacheManager.clearLRU(null, ([deletedFiles]) => {
+            for (let i = 0, l = deletedFiles.length; i < l; i++) {
+                this.cachedFiles.remove(deletedFiles[i]);
+            }
+        });
+    },
+
+    removeCache(url) {
+        worker.cacheManager.removeCache([url], () => {
+            this.cachedFiles.remove(url);
+        });
+    },
+
+    makeBundleFolder(bundleName) {
+        makeDirSync(this.cacheDir + '/' + bundleName, true);
+    },
+};
+
+cc.assetManager.cacheManager = module.exports = cacheManager;