mirror of
https://github.com/Leo501/CocosCreatorTutorial.git
synced 2026-05-11 16:46:13 +08:00
296 lines
9.9 KiB
JavaScript
296 lines
9.9 KiB
JavaScript
/**
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* 参考文章
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* https://www.cnblogs.com/pixs-union/p/9435882.html
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*/
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const ErrCode = cc.Enum({
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laodManifestFailed: 0, //下载manifest失败
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updateFailed: 1, //更新失败，
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});
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const MD5 = require("Uint8ArrayMD5");
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cc.Class({
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extends: cc.Component,
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properties: {
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manifestUrl: cc.RawAsset,
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_hotUpdateName: 'game-remote-asset',
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_nowVersion: ''
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},
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/**
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*
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* @param {*} nextFn
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*/
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init(nextFn, progressFn, failedFn) {
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this.nextFn = nextFn;
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this.progressFn = progressFn;
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this.failedFn = failedFn;
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// this.loadManifest();
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// console.log('os=', cc.sys.os);
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if (cc.sys.isBrowser) {
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console.log('is not OS_ANDROID or OS_IOS');
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this.nextFn && nextFn(this._nowVersion);
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return;
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}
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let self = this;
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this._storagePath = ((jsb.fileUtils ? jsb.fileUtils.getWritablePath() : '/') + this._hotUpdateName);
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cc.log('Storage path for remote asset : ' + this._storagePath);
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this.versionCompareHandle = function (versionA, versionB) {
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console.log('versionLocal=' + versionA + ' versionRemote=' + versionB);
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self._nowVersion = versionA;
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var vA = versionA.split('.');
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var vB = versionB.split('.');
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for (var i = 0; i < vA.length; ++i) {
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var a = parseInt(vA[i]);
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var b = parseInt(vB[i] || 0);
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if (a === b) {
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continue;
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} else {
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return a - b;
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}
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}
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if (vB.length > vA.length) {
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return -1;
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} else {
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return 0;
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}
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};
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this._am = new jsb.AssetsManager('', this._storagePath, this.versionCompareHandle);
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if (!cc.sys.ENABLE_GC_FOR_NATIVE_OBJECTS) {
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this._am.retain();
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}
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this._am.setVerifyCallback(function (path, asset) {
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console.log('path', path, 'setVerifyCallback' + JSON.stringify(asset));
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var compressed = asset.compressed;
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/**
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* 计算md5
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* @param {*} filePath
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*/
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let calMD5OfFile = function (filePath) {
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return MD5(jsb.fileUtils.getDataFromFile(filePath));
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};
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if (compressed) {
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return true;
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} else {
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var resMD5 = calMD5OfFile(path);
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console.log('resMD%=', resMD5, 'asset md5=', asset.md5);
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if (asset.md5 == resMD5) {
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return true;
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}
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jsb.fileUtils.removeFile(path);
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return false;
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}
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});
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if (cc.sys.os === cc.sys.OS_ANDROID) {
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this._am.setMaxConcurrentTask(2);
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}
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//检查是否为最新
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this.checkUpdate();
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},
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/**
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* 错误处理和失败重试
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*/
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downloadFailedAssets() {
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console.log('downloadFailedAssets');
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this._updateListener = new jsb.EventListenerAssetsManager(this._am, this.updateCb.bind(this));
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cc.eventManager.addListener(this._updateListener, 1);
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this._am.downloadFailedAssets();
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},
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/**
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* 用于当检查热更新回调过慢时
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*/
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clearAllCallFunc() {
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console.log('清除回调');
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this.nextFn = null;
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this.progressFn = null;
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this.failedFn = null;
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},
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loadManifest() {
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// console.log('this.manifestUrl=', this.manifestUrl);
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// 手动设置路径
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this.manifestUrl = 'res/raw-assets/project.manifest';
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},
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//热更新完成 or 不需要热更新 进入游戏
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onEnterGame: function () {
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console.log('热更新完成，', this._nowVersion);
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this.nextFn && this.nextFn(this._nowVersion);
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},
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/**
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* 下载文件进度
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*/
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onDownloadProgess(byteProgress, fileProgress) {
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byteProgress = Math.round(byteProgress * 100) / 100 || 0;
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fileProgress = Math.round(fileProgress * 100) / 100 || 0;
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if (this.progressFn) this.progressFn(fileProgress, byteProgress);
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},
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/**
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* 热更新过程中，出现问题
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* @param {*} type 0为检查更新过程，1为下载文件过程
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* @param {*} err
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*/
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onFailure(type) {
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console.log('type=', type);
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if (this.failedFn) this.failedFn(type);
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},
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/**
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* 检查更新
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*/
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checkUpdate: function () {
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console.log('start checkUpdate');
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if (this._am.getState() === jsb.AssetsManager.State.UNINITED) {
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this._am.loadLocalManifest(this.manifestUrl);
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}
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if (!this._am.getLocalManifest() || !this._am.getLocalManifest().isLoaded()) {
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this.onFailure(ErrCode.laodManifestFailed);
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return;
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}
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this._checkListener = new jsb.EventListenerAssetsManager(this._am, this.checkCb.bind(this));
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cc.eventManager.addListener(this._checkListener, 1);
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this._am.checkUpdate();
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},
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/**
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* 执行热更新逻辑
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*/
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hotUpdate: function () {
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console.log('start hotUpdate');
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if (this._am && !this._updating) {
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this._updateListener = new jsb.EventListenerAssetsManager(this._am, this.updateCb.bind(this));
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cc.eventManager.addListener(this._updateListener, 1);
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if (this._am.getState() === jsb.AssetsManager.State.UNINITED) {
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this._am.loadLocalManifest(this.manifestUrl);
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}
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this._am.update();
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this._updating = true;
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}
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},
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/**
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* 检查热更回调函数
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*/
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checkCb: function (event) {
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cc.log('Code: ' + event.getEventCode());
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let isNewVersion = false;
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switch (event.getEventCode()) {
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case jsb.EventAssetsManager.ERROR_NO_LOCAL_MANIFEST:
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/*0 本地没有配置文件*/
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console.log('ERROR_NO_LOCAL_MANIFEST');
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break;
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case jsb.EventAssetsManager.ERROR_DOWNLOAD_MANIFEST:
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/*1下载配置文件错误*/
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case jsb.EventAssetsManager.ERROR_PARSE_MANIFEST:
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/*2 解析文件错误*/
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console.log('ERROR_PARSE_MANIFEST');
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break;
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case jsb.EventAssetsManager.ALREADY_UP_TO_DATE:
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/*3 已经是最新的*/
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console.log('ALREADY_UP_TO_DATE');
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break;
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case jsb.EventAssetsManager.NEW_VERSION_FOUND:
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/*4发现新的更新*/
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isNewVersion = true;
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cc.eventManager.removeListener(this._checkListener);
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this._checkListener = null;
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console.log('have new version');
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//开始更新版本
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this.hotUpdate();
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break;
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default:
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return;
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}
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if (!isNewVersion) {
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cc.eventManager.removeListener(this._checkListener);
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this._checkListener = null;
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//进入游戏
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this.onEnterGame();
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}
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},
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/**
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* 热更回调函数
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*/
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updateCb: function (event) {
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var needRestart = false;
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var failed = false;
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switch (event.getEventCode()) {
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case jsb.EventAssetsManager.ERROR_NO_LOCAL_MANIFEST:
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// this.panel.info.string = 'No local manifest file found, hot update skipped.';
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failed = true;
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break;
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case jsb.EventAssetsManager.UPDATE_PROGRESSION:
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//显示进度
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this.onDownloadProgess(event.getPercent(), event.getPercentByFile());
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break;
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case jsb.EventAssetsManager.ERROR_DOWNLOAD_MANIFEST:
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case jsb.EventAssetsManager.ERROR_PARSE_MANIFEST:
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// this.panel.info.string = 'Fail to download manifest file, hot update skipped.';
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failed = true;
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break;
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case jsb.EventAssetsManager.ALREADY_UP_TO_DATE:
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// this.panel.info.string = 'Already up to date with the latest remote version.';
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failed = true;
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break;
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case jsb.EventAssetsManager.UPDATE_FINISHED:
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console.log('UPDATE_FINISHED');
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// this.panel.info.string = 'Update finished. ' + event.getMessage();
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needRestart = true;
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break;
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case jsb.EventAssetsManager.UPDATE_FAILED:
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// this.panel.info.string = 'Update failed. ' + event.getMessage();
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this._updating = false;
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failed = true;
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break;
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case jsb.EventAssetsManager.ERROR_UPDATING:
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// this.panel.info.string = 'Asset update error: ' + event.getAssetId() + ', ' + event.getMessage();
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break;
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case jsb.EventAssetsManager.ERROR_DECOMPRESS:
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// this.panel.info.string = event.getMessage();
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break;
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default:
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break;
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}
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//下载失败
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if (failed) {
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console.log('Hotupdate failure');
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this.onFailure(ErrCode.updateFailed);
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cc.eventManager.removeListener(this._updateListener);
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this._updateListener = null;
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this._updating = false;
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}
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if (needRestart) {
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console.log('Hotupdate success');
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cc.eventManager.removeListener(this._updateListener);
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this._updateListener = null;
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var searchPaths = jsb.fileUtils.getSearchPaths();
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var newPaths = this._am.getLocalManifest().getSearchPaths();
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Array.prototype.unshift(searchPaths, newPaths);
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cc.sys.localStorage.setItem('HotUpdateSearchPaths', JSON.stringify(searchPaths));
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jsb.fileUtils.setSearchPaths(searchPaths);
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cc.audioEngine.stopAll();
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cc.game.restart();
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}
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},
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// update (dt) {},
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onDestroy() {
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this.clearAllCallFunc();
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}
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}); |