Merge branch 'master' of https://github.com/Leo501/CocosCreatorTutorial

2026-05-07 22:27:22 +08:00 · 2019-11-04 16:44:35 +08:00
parent 135be2f093 602740ce59
commit 2dbde5c60f
2 changed files with 203 additions and 0 deletions
--- a/CreatorUtils/ResLoaderMgr.js
+++ b/CreatorUtils/ResLoaderMgr.js
@@ -0,0 +1,96 @@
+
+
+class ResLoaderMgr {
+
+    constructor() {
+        this._init();
+    }
+
+    _init() {
+        this._resDependKeys = new Map();
+        this._resInfoMap = new Map();
+    }
+
+    _retainDependKey(deps) {
+        if (!Array.isArray(deps)) {
+            console.log('deps is not array', deps);
+        } else {
+            deps.forEach(key => {
+                if (!this._resDependKeys.has(key)) {
+                    this._resDependKeys.set(key, 0);
+                }
+                let totalCount = this._resDependKeys.get(key) + 1;
+                this._resDependKeys.set(key, totalCount);
+            });
+        }
+    }
+
+    _getReleseDepends(deps) {
+        let relese = [];
+        if (!Array.isArray(deps)) {
+            console.log('deps is not array', deps);
+        } else {
+            deps.forEach(key => {
+                if (!this._resDependKeys.has(key)) {
+                    relese.push(key);
+                } else {
+                    let totalCount = this._resDependKeys.get(key);
+                    if (totalCount > 1) {
+                        this._resDependKeys.set(key, totalCount - 1);
+                    } else {
+                        this._resDependKeys.delete(key);
+                        relese.push(key);
+                    }
+                }
+            });
+        }
+        return relese;
+    }
+
+    /**
+     * 引用加1
+     * @param {*} name 
+     * @param {*} deps 
+     */
+    _retainResInfo(name, deps) {
+        let resInfo = { name, deps };
+        this._resInfoMap.set(name, resInfo);
+        this._retainDependKey(deps);
+    }
+
+    /**
+     * 取得依赖
+     * @param {*} target 
+     */
+    getResDeps(target) {
+        return cc.loader.getDependsRecursively(target);
+    }
+
+    retainByName(name, asset) {
+        let deps = this.getResDeps(asset);
+        this._retainResInfo(name, deps);
+    }
+
+    /**
+     * 释放依赖
+     * @param {*} name 
+     */
+    releseByName(name) {
+        let resInfo = this._resInfoMap.get(name);
+        if (!resInfo) {
+            console.log('resInfo is null')
+        } else {
+            let releseDeps = this._getReleseDepends(resInfo.deps);
+            console.log('releseDeps', releseDeps);
+            releseDeps.forEach(key => {
+                cc.loader.release(key);
+            })
+        }
+    }
+
+    clearArr() {
+        this._init();
+    }
+}
+
+module.exports = new ResLoaderMgr();
--- a/CreatorUtils/ResLoaderMgr.ts
+++ b/CreatorUtils/ResLoaderMgr.ts
@@ -0,0 +1,107 @@
+
+
+interface LoadResInfo {
+    name: string,
+    deps: Array<string>
+}
+
+export default class ResLoaderMgr {
+
+    //资源引用计数
+    private _resDependKeys: Map<string, number>;
+    private _resInfoMap: Map<string, LoadResInfo>;
+
+    private static _instance: ResLoaderMgr;
+    public static Instance(): ResLoaderMgr {
+        if (!ResLoaderMgr._instance) {
+            ResLoaderMgr._instance = new ResLoaderMgr();
+        }
+        return ResLoaderMgr._instance;
+    }
+
+    private constructor() {
+        this._init();
+    }
+
+    private _init() {
+        this._resDependKeys = new Map<string, number>();
+        this._resInfoMap = new Map<string, LoadResInfo>();
+    }
+
+    private _retainDependKey(deps: Array<string>) {
+        if (!Array.isArray(deps)) {
+            console.warn('deps is not array', deps);
+        } else {
+            deps.forEach(key => {
+                if (!this._resDependKeys.has(key)) {
+                    this._resDependKeys.set(key, 0);
+                }
+                let totalCount = this._resDependKeys.get(key) + 1;
+                this._resDependKeys.set(key, totalCount);
+            });
+        }
+    }
+
+    private _getReleseDepends(deps: Array<string>) {
+        let relese = [];
+        if (!Array.isArray(deps)) {
+            console.warn('deps is not array', deps);
+        } else {
+            deps.forEach(key => {
+                if (!this._resDependKeys.has(key)) {
+                    relese.push(key);
+                } else {
+                    let totalCount = this._resDependKeys.get(key);
+                    if (totalCount > 1) {
+                        this._resDependKeys.set(key, totalCount - 1);
+                    } else {
+                        this._resDependKeys.delete(key);
+                        relese.push(key);
+                    }
+                }
+
+            });
+        }
+        return relese;
+    }
+
+    /**
+     * 记录 某个资源
+     * @param name 
+     * @param deps 
+     */
+    private _retainResInfo(name: string, deps: Array<string>) {
+        let resInfo: LoadResInfo = { name, deps };
+        this._resInfoMap.set(name, resInfo);
+        this._retainDependKey(deps);
+    }
+
+    public getResDeps(target: cc.SceneAsset | cc.AudioClip | cc.Prefab | cc.SpriteFrame): Array<string> {
+        return cc.loader.getDependsRecursively(target);
+    }
+
+    public retainByName(name, asset: cc.SceneAsset | cc.AudioClip | cc.Prefab | cc.SpriteFrame) {
+        let deps = this.getResDeps(asset);
+        this._retainResInfo(name, deps);
+    }
+
+    public releseByName(name: string) {
+        let resInfo = this._resInfoMap.get(name);
+        if (!resInfo) {
+            console.warn('resInfo is null')
+        } else {
+            let releseDeps = this._getReleseDepends(resInfo.deps);
+            console.log('releseDeps', releseDeps);
+            releseDeps.forEach(key => {
+                cc.loader.release(key);
+            })
+        }
+    }
+
+    public clearAll() {
+        delete this._resDependKeys;
+        delete this._resInfoMap;
+        this._init();
+    }
+
+}