mirror of
https://github.com/kirikayakazuto/CocosCreator_ECS
synced 2024-12-26 03:39:24 +00:00
298 lines
10 KiB
TypeScript
298 lines
10 KiB
TypeScript
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export class LoadProgress {
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public url: string;
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public completedCount: number;
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public totalCount: number;
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public item: any;
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public cb?: Function;
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}
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/** 一些cocos api 的封装, promise函数统一加上sync后缀 */
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export default class CocosHelper {
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public static async callInNextTick() {
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return new Promise((resolve, reject) => {
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setTimeout(() => {
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resolve(true);
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}, 0);
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})
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}
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/** 加载进度 */
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public static loadProgress = new LoadProgress();
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/** 等待时间, 秒为单位 */
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public static sleepSync = function(dur: number): Promise<boolean> {
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return new Promise((resolve, reject) => {
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cc.Canvas.instance.scheduleOnce(() => {
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resolve(true);
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}, dur);
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});
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}
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/**
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*
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* @param target
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* @param repeat -1，表示永久执行
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* @param tweens
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*/
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public static async runRepeatTweenSync(target: any, repeat: number, ...tweens: cc.Tween[]) {
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return new Promise((resolve, reject) => {
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let selfTween = cc.tween(target);
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for(const tmpTween of tweens) {
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selfTween = selfTween.then(tmpTween);
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}
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if(repeat < 0) {
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cc.tween(target).repeatForever(selfTween).start();
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}else {
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cc.tween(target).repeat(repeat, selfTween).call(() => {
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resolve(true);
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}).start();
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}
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});
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}
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/** 同步的tween */
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public static async runTweenSync(target: any, ...tweens: cc.Tween[]): Promise<void> {
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return new Promise((resolve, reject) => {
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let selfTween = cc.tween(target);
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for(const tmpTween of tweens) {
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selfTween = selfTween.then(tmpTween);
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}
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selfTween.call(() => {
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resolve();
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}).start();
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});
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}
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/** 停止tween */
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public stopTween(target: any) {
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cc.Tween.stopAllByTarget(target);
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}
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public stopTweenByTag(tag: number) {
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cc.Tween.stopAllByTag(tag);
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}
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/** 同步的动作, 在2.4.x action已经被废弃了, 不建议使用 */
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public static async runActionSync(node: cc.Node, ...actions: cc.FiniteTimeAction[]) {
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if(!actions || actions.length <= 0) return ;
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return new Promise((resolve, reject) => {
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actions.push(cc.callFunc(() => {
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resolve(true);
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}));
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node.runAction(cc.sequence(actions));
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});
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}
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/** 同步的动画 */
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public static async runAnimSync(node: cc.Node, animName?: string | number) {
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let anim = node.getComponent(cc.Animation);
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if(!anim) return ;
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let clip: cc.AnimationClip = null;
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if(!animName) clip = anim.defaultClip;
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else {
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let clips = anim.getClips();
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if(typeof(animName) === "number") {
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clip = clips[animName];
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}else if(typeof(animName) === "string") {
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for(let i=0; i<clips.length; i++) {
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if(clips[i].name === animName) {
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clip = clips[i];
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break;
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}
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}
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}
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}
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if(!clip) return ;
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await CocosHelper.sleepSync(clip.duration);
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}
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/** 加载资源异常时抛出错误 */
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public static loadResThrowErrorSync<T>(url: string, type: typeof cc.Asset, onProgress?: (completedCount: number, totalCount: number, item: any) => void): Promise<T> {
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return null;
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}
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private static _loadingMap: {[key: string]: Function[]} = {};
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public static loadRes<T>(url: string, type: typeof cc.Asset, callback: Function ) {
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if(this._loadingMap[url]) {
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this._loadingMap[url].push(callback);
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return ;
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}
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this._loadingMap[url] = [callback];
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this.loadResSync<T>(url, type).then((data: any) => {
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let arr = this._loadingMap[url];
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for(const func of arr) {
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func(data);
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}
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this._loadingMap[url] = null;
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delete this._loadingMap[url];
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});
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}
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/** 加载资源 */
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public static loadResSync<T>(url: string, type: typeof cc.Asset, onProgress?: (completedCount: number, totalCount: number, item: any) => void): Promise<T>{
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return new Promise((resolve, reject) => {
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if(!onProgress) onProgress = this._onProgress;
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cc.resources.load(url, type, onProgress, (err, asset: any) => {
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if (err) {
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cc.error(`${url} [资源加载] 错误 ${err}`);
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resolve(null);
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}else {
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resolve(asset);
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}
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});
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});
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}
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/**
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* 加载进度
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* cb方法 其实目的是可以将loader方法的progress
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*/
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private static _onProgress(completedCount: number, totalCount: number, item: any) {
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CocosHelper.loadProgress.completedCount = completedCount;
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CocosHelper.loadProgress.totalCount = totalCount;
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CocosHelper.loadProgress.item = item;
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CocosHelper.loadProgress.cb && CocosHelper.loadProgress.cb(completedCount, totalCount, item);
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}
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/**
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* 寻找子节点
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*/
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public static findChildInNode(nodeName: string, rootNode: cc.Node): cc.Node {
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if(rootNode.name == nodeName) {
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return rootNode;
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}
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for(let i=0; i<rootNode.childrenCount; i++) {
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let node = this.findChildInNode(nodeName, rootNode.children[i]);
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if(node) {
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return node;
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}
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}
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return null;
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}
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/** 获得Component的类名 */
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public static getComponentName(com: Function) {
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let arr = com.name.match(/<.*>$/);
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if(arr && arr.length > 0) {
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return arr[0].slice(1, -1);
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}
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return com.name;
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}
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/** 加载bundle */
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public static loadBundleSync(url: string, options: any): Promise<cc.AssetManager.Bundle> {
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return new Promise((resolve, reject) => {
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cc.assetManager.loadBundle(url, options, (err: Error, bundle: cc.AssetManager.Bundle) => {
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if(!err) {
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cc.error(`加载bundle失败, url: ${url}, err:${err}`);
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resolve(null);
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}else {
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resolve(bundle);
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}
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});
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});
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}
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/** 路径是相对分包文件夹路径的相对路径 */
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public static loadAssetFromBundleSync(bundleName: string, url: string) {
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let bundle = cc.assetManager.getBundle(bundleName);
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if(!bundle) {
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cc.error(`加载bundle中的资源失败, 未找到bundle, bundleUrl:${bundleName}`);
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return null;
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}
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return new Promise((resolve, reject) => {
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bundle.load(url, (err, asset: cc.Asset | cc.Asset[]) => {
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if(err) {
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cc.error(`加载bundle中的资源失败, 未找到asset, url:${url}, err:${err}`);
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resolve(null);
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}else {
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resolve(asset);
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}
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});
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});
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}
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/** 通过路径加载资源, 如果这个资源在bundle内, 会先加载bundle, 在解开bundle获得对应的资源 */
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public static loadAssetSync(url: string) {
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return new Promise((resolve, reject) => {
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cc.resources.load(url, (err, assets: cc.Asset | cc.Asset[]) => {
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if(!err) {
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cc.error(`加载asset失败, url:${url}, err: ${err}`);
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resolve(null);
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}else {
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this.addRef(assets);
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resolve(assets);
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}
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});
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});
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}
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/** 释放资源 */
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public static releaseAsset(assets: cc.Asset | cc.Asset[]) {
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this.decRes(assets);
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}
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/** 增加引用计数 */
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private static addRef(assets: cc.Asset | cc.Asset[]) {
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if(assets instanceof Array) {
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for(const a of assets) {
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a.addRef();
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}
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}else {
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assets.addRef();
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}
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}
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/** 减少引用计数, 当引用计数减少到0时,会自动销毁 */
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private static decRes(assets: cc.Asset | cc.Asset[]) {
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if(assets instanceof Array) {
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for(const a of assets) {
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a.decRef();
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}
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}else {
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assets.decRef();
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}
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}
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/** 截图 */
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public static captureScreen(camera: cc.Camera, prop?: cc.Node | cc.Rect) {
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let newTexture = new cc.RenderTexture();
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let oldTexture = camera.targetTexture;
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let rect: cc.Rect = cc.rect(0, 0, cc.visibleRect.width, cc.visibleRect.height);
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if(prop) {
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if(prop instanceof cc.Node) {
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rect = prop.getBoundingBoxToWorld();
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}else {
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rect = prop;
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}
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}
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newTexture.initWithSize(cc.visibleRect.width, cc.visibleRect.height, cc.game['_renderContext'].STENCIL_INDEX8);
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camera.targetTexture = newTexture;
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camera.render();
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camera.targetTexture = oldTexture;
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let buffer = new ArrayBuffer(rect.width * rect.height * 4);
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let data = new Uint8Array(buffer);
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newTexture.readPixels(data, rect.x, rect.y, rect.width, rect.height);
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return data;
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}
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public static tweenFloat(from: number, to: number, duration: number, onUpdate: (t: number) => void, onComplete?: Function, autoStart: boolean = true) {
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let o: Record<string, number> = { _value: from };
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Object.defineProperty(o, 'value', {
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get: () => o._value,
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set: (v: number) => { o._value = v; onUpdate && onUpdate(o._value); },
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});
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let tween = cc.tween(o).to(duration, { value: to }).call(onComplete);
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if (autoStart) {
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tween.start();
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}
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return tween;
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}
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public static tweenVec2(from: cc.Vec2, to: cc.Vec2, duration: number, onUpdate: (t: cc.Vec2) => void, onComplete?: Function, autoStart: boolean = true) {
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let o: Record<string, cc.Vec2> = {_value: from};
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Object.defineProperty(o, 'value', {
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get: () => o._value,
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set: (v: cc.Vec2) => { o._value = v; onUpdate && onUpdate(o._value); },
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});
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let tween = cc.tween(o).to(duration, { value: to }).call(onComplete);
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if (autoStart) {
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tween.start();
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}
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return tween;
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}
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}
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