46 lines
1.1 KiB
TypeScript
46 lines
1.1 KiB
TypeScript
|
import { _decorator, Asset } from 'cc';
|
||
|
|
const { ccclass } = _decorator;
|
||
|
|
|
||
|
|
@ccclass('ResourceManager')
|
||
|
|
export class ResourceManager {
|
||
|
|
private static _instance: ResourceManager;
|
||
|
|
private cache: Map<string, Asset> = new Map();
|
||
|
|
|
||
|
|
static get instance(): ResourceManager {
|
||
|
|
if (!this._instance) {
|
||
|
|
this._instance = new ResourceManager();
|
||
|
|
}
|
||
|
|
return this._instance;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** 存资源 */
|
||
|
|
set(key: string, asset: Asset) {
|
||
|
|
this.cache.set(key, asset);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** 取资源 */
|
||
|
|
get<T extends Asset>(key: string): T | undefined {
|
||
|
|
return this.cache.get(key) as T | undefined;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** 是否存在 */
|
||
|
|
has(key: string): boolean {
|
||
|
|
return this.cache.has(key);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** 释放某个资源 */
|
||
|
|
release(key: string) {
|
||
|
|
const asset = this.cache.get(key);
|
||
|
|
if (asset) {
|
||
|
|
asset.decRef(); // 减少引用计数
|
||
|
|
this.cache.delete(key);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** 释放全部资源 */
|
||
|
|
releaseAll() {
|
||
|
|
this.cache.forEach(asset => asset.decRef());
|
||
|
|
this.cache.clear();
|
||
|
|
}
|
||
|
|
}
|