feat: add builder configuration file
feat: add cocos-service configuration file feat: add device configuration file feat: add engine configuration file feat: add information configuration file feat: add program configuration file feat: add project configuration file feat: add TypeScript configuration file
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ZhouXiao
281
assets/script/common/LoadTools.ts
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281
assets/script/common/LoadTools.ts
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import { director, Node, instantiate, Prefab, Vec3, v3, SpriteFrame, Sprite, AssetManager, resources, assetManager, AudioClip, Material, Texture2D, Label } from "cc";
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import { ResModel } from "../model/ResModel";
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import { weiSan } from "./weiSanTools";
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import { EventManager, EventData } from "../manager/EventManager";
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import { PoolManager } from "../manager/PoolManager";
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/** 加载资源相关工具类 */
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export class LoadTools {
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/** 单例模式 */
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private static _instance: LoadTools = new LoadTools();
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private constructor() { }
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public static get _ins() {
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return this._instance;
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}
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/**
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* 加载游戏场景
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* @param sceneName 加载场景的名字
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* @param callFunc 加载回调
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*/
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loadScene(sceneName: string, callFunc: any, isClear = true) {
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if (isClear) {
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ResModel._ins.clearResDic();
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}
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director.preloadScene(sceneName, () => {
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director.loadScene(sceneName, callFunc);
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});
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};
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/**
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* 加载resource 下的预制体 资源
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* @param url resource 下的资源路径
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* @param callBack 加载完成回调
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*/
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loadResPrefab(url: string, callBack?: any, parent?: Node, Pos?: Vec3) {
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this.loadResAny(url, Prefab, (prefab: Prefab) => {
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let clone = instantiate(prefab);
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if (parent) { parent.addChild(clone) };
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if (Pos) { clone.position = v3(Pos.x, Pos.y, 0) };
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if (callBack != null) {
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callBack(clone);
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}
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})
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}
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/**
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* 加载resource 下的图片资源并渲染到节点上
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* @param url resource 下的资源路径
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* @param callBack 加载完成回调
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*/
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loadResSpriteFrame(url: string, sprite: Node, parent?: Node, Pos?: Vec3, callBack?: any) {
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resources.load(url + "/spriteFrame", SpriteFrame, function (error: any, SpriteFrame: SpriteFrame) {
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if (error) {
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weiSan.error(error);
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} else {
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sprite.getComponent(Sprite).spriteFrame = SpriteFrame;
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if (parent) { parent.addChild(sprite) };
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if (Pos) { sprite.position = v3(Pos.x, Pos.y, 0) };
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if (callBack != null) {
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callBack(sprite);
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}
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}
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});
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};
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/**
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* 加载resource 下的游戏资源
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* @param url resource 下的资源路径
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* @param resType 加载资源的类型
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* @param callBack 加载完成回调
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*/
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loadResAny(url: string, resType: any, callBack?: any) {
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resources.load(url, resType, function (error: any, res: any) {
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if (error) {
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weiSan.error(error);
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} else {
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if (callBack != null) {
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callBack(res);
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}
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if (resType == Prefab) {
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ResModel._ins.PrefabDic.set(url, res);
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} else if (resType == SpriteFrame) {
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if (!ResModel._ins.SpriteFrameDic.has(url)) {
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ResModel._ins.SpriteFrameDic.set(url, res);
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}
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} else if (resType == AudioClip) {
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if (!ResModel._ins.AudioClipDic.has(url)) {
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ResModel._ins.AudioClipDic.set(url, res);
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}
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} else if (resType == Material) {
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if (!ResModel._ins.MaterialDic.has(url)) {
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ResModel._ins.MaterialDic.set(url, res);
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}
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} else if (resType == Texture2D) {
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if (!ResModel._ins.TextureDic.has(url)) {
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ResModel._ins.TextureDic.set(url, res);
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}
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} else if (resType === Prefab) {
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if (!ResModel._ins.PrefabDic.has(url)) {
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ResModel._ins.PrefabDic.set(url, res);
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}
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}
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}
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});
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}
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/** 加载bundle 场景 */
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loadBundleScene(bundleName: string, sceneName: string, onFinishBack?: () => void, isInScene: boolean = true) {
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assetManager.loadBundle(
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bundleName,
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(err: any, bundle: AssetManager.Bundle) => {
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if (err) {
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console.log(err);
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}
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else {
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if (!isInScene) { return; }
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bundle.loadScene(sceneName, (err, scene) => {
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if (onFinishBack) {
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onFinishBack();
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}
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director.runScene(scene);
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});
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}
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}
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);
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}
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/**
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* 分帧加载预制体节点
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* @param prefabName 要加载的预制体名称
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* @param perFrameNum 每帧加载的数量
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* @param totalNum 总共需要加载的数量
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* @param usePool 是否使用对象池，默认为true
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* @param callBack 对每个创建的节点进行操作的回调函数
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* @returns Promise<Node[]> 返回所有创建的节点数组
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*/
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loadPrefabByFrame(prefabName: string, perFrameNum: number, totalNum: number, usePool: boolean = true, callBack?: (node: Node, index: number) => void): Promise<Node[]> {
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return new Promise((resolve, reject) => {
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// 参数验证
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if (!prefabName || prefabName.trim() === '') {
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const error = 'prefabName cannot be empty';
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weiSan.error(error);
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reject(new Error(error));
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return;
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}
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if (perFrameNum <= 0) {
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const error = 'perFrameNum must be greater than 0';
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weiSan.error(error);
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reject(new Error(error));
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return;
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}
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if (totalNum <= 0) {
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const error = 'totalNum must be greater than 0';
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weiSan.error(error);
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reject(new Error(error));
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return;
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}
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// 触发加载开始事件
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EventManager.dispatchEvent(EventData.PREFAB_LOAD_START, {
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prefabName: prefabName,
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totalNum: totalNum,
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usePool: usePool
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});
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// 创建节点的函数
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const createNodeFunction = (prefab?: Prefab): Node | null => {
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if (usePool) {
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// 使用对象池创建节点
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return PoolManager._ins.getNode(prefabName);
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} else {
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// 使用传统方式创建节点
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if (!prefab) {
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weiSan.error(`Prefab is required when not using pool: ${prefabName}`);
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return null;
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}
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return instantiate(prefab);
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}
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};
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if (usePool) {
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// 使用对象池时，直接开始分帧创建
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this.startFrameBasedCreation(prefabName, perFrameNum, totalNum, usePool, callBack, createNodeFunction, resolve, reject);
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} else {
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// 不使用对象池时，先加载预制体资源
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this.loadResAny(prefabName, Prefab, (prefab: Prefab) => {
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if (!prefab) {
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const error = `Failed to load prefab: ${prefabName}`;
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weiSan.error(error);
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reject(new Error(error));
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return;
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}
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this.startFrameBasedCreation(prefabName, perFrameNum, totalNum, usePool, callBack, createNodeFunction, resolve, reject, prefab);
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});
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}
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});
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}
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/**
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* 开始分帧创建节点的核心逻辑
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*/
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private startFrameBasedCreation(
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prefabName: string,
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perFrameNum: number,
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totalNum: number,
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usePool: boolean,
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callBack: ((node: Node, index: number) => void) | undefined,
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createNodeFunction: (prefab?: Prefab) => Node | null,
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resolve: (value: Node[]) => void,
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reject: (reason?: any) => void,
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prefab?: Prefab
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) {
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// 开始分帧创建节点
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const createdNodes: Node[] = [];
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let currentCount = 0;
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const createNodesPerFrame = () => {
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const remainingCount = totalNum - currentCount;
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const currentFrameCount = Math.min(perFrameNum, remainingCount);
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// 创建当前帧的节点
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for (let i = 0; i < currentFrameCount; i++) {
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try {
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const node = createNodeFunction(prefab);
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if (!node) {
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const error = `Failed to create node: ${prefabName}`;
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weiSan.error(error);
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reject(new Error(error));
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return;
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}
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createdNodes.push(node);
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// 执行回调函数
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if (callBack) {
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try {
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callBack(node, currentCount);
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} catch (callbackError) {
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weiSan.warn(`Callback error for node ${currentCount}: ${callbackError}`);
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}
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}
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currentCount++;
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} catch (error) {
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weiSan.error(`Error creating node instance: ${error}`);
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reject(new Error(`Error creating node instance: ${error}`));
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return;
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}
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}
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// 计算进度并触发进度事件
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const progress = (currentCount / totalNum) * 100;
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EventManager.dispatchEvent(EventData.PREFAB_LOAD_PROGRESS, {
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prefabName: prefabName,
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currentNum: currentCount,
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totalNum: totalNum,
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progress: progress
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});
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// 检查是否完成
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if (currentCount >= totalNum) {
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// 触发完成事件
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EventManager.dispatchEvent(EventData.PREFAB_LOAD_COMPLETE, {
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prefabName: prefabName,
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totalNum: totalNum,
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nodes: createdNodes
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});
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weiSan.log(`Successfully loaded ${totalNum} instances of prefab: ${prefabName}`);
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resolve(createdNodes);
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} else {
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// 继续下一帧，使用 setTimeout 来实现分帧
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setTimeout(() => {
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createNodesPerFrame();
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}, 0);
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}
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};
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// 开始第一帧的创建
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createNodesPerFrame();
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}
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}
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