35 lines
2.0 KiB
TypeScript
35 lines
2.0 KiB
TypeScript
/** Native ZIP cache is installed by the WeChat build extension; editor/web use Creator directly. */
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export default class ActivityBundleLoader {
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private static runtime(): any { return typeof window !== "undefined" && (window as any).__activityBundles; }
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/** Login and subsequent resource-check cycles prepare disk caches without blocking navigation. */
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static beginCycle(): void {
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const runtime = this.runtime();
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if (!runtime) return;
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runtime.beginCycle();
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runtime.preloadAll().catch(error => cc.warn('[ActivityBundles] 后台资源准备失败', error));
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}
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/** Reserve a coherent dependency set without downloading any bundle. */
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static retainGroup(name: string): () => void {
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const runtime = this.runtime();
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if (runtime) return runtime.retainGroup(name);
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if (cc.sys && cc.sys.platform === cc.sys.WECHAT_GAME) throw new Error("活动分包加载器未初始化，请重新构建小游戏");
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return () => {};
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}
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static prepareGroup(name: string): Promise<void> {
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const runtime = this.runtime();
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if (runtime) return runtime.prepareGroup(name);
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try { this.retainGroup(name)(); return Promise.resolve(); } catch (error) { return Promise.reject(error); }
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}
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static ensureBundle(name: string): Promise<cc.AssetManager.Bundle> {
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const runtime = this.runtime();
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if (runtime) return runtime.ensureBundle(name);
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if (cc.sys && cc.sys.platform === cc.sys.WECHAT_GAME)
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return Promise.reject(new Error("活动分包加载器未初始化，请重新构建小游戏"));
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return new Promise((resolve, reject) => cc.assetManager.loadBundle(name, (error, bundle) => error ? reject(error) : resolve(bundle)));
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}
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static async acquireBundle(name: string): Promise<{ bundle: cc.AssetManager.Bundle; release: () => void }> {
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const runtime = this.runtime();
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return runtime ? runtime.acquireBundle(name) : { bundle: await this.ensureBundle(name), release: () => {} };
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}
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}
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