mirror of https://github.com/tuyoogame/YooAsset
114 lines
2.5 KiB
Markdown
114 lines
2.5 KiB
Markdown
# 资源更新
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**更新补丁清单**
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对于联机运行模式，在初始化资源系统之后，需要立刻更新资源清单。
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在此之前，需要获取更新的资源版本号，一般通过HTTP访问游戏服务器来获取。
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````c#
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private IEnumerator UpdatePatchManifest()
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{
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int updateResourceVersion = 123;
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int timeout = 30;
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UpdateManifestOperation operation = YooAssets.UpdateManifestAsync(updateResourceVersion, timeout);
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yield return operation;
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if(operation.Status == EOperationStatus.Succeed)
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{
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//更新成功
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}
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else
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{
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//更新失败
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Debug.LogError(operation.Error);
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}
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}
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````
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**补丁包下载**
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在补丁清单更新完毕后，就可以更新资源文件了。
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根据产品需求，可以选择更新全部资源，或者只更新部分资源。
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````c#
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private PatchDownloader _downloader;
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/// <summary>
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/// 创建下载器
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/// </summary>
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private void CreateDownloader()
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{
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string[] tags = { "buildin", "config" };
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int downloadingMaxNum = 10;
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int failedTryAgain = 3;
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_downloader = YooAssets.CreateDLCDownloader(tags, 10, 3);
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if (_downloader.TotalDownloadCount == 0)
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{
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//没有需要下载的资源
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}
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else
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{
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//需要下载的文件总数和总大小
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int totalDownloadCount = _downloader.TotalDownloadCount;
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long totalDownloadBytes = _downloader.TotalDownloadBytes;
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}
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}
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/// <summary>
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/// 更新下载器
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/// </summary>
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private void UpdateDownloader()
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{
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if(_downloader != null)
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_downloader.Update();
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}
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/// <summary>
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/// 开启下载
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/// </summary>
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private IEnumerator Download()
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{
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//注册下载回调
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_downloader.OnPatchFileDownloadFailedCallback = OnPatchFileDownloadFailed;
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_downloader.OnDownloadProgressCallback = OnDownloadProgressUpdate;
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_downloader.OnDownloadOverCallback = OnDownloadOver;
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_downloader.Download();
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yield return _downloader;
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//检测下载结果
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if (_downloader.DownloadStates == EDownloaderStates.Succeed)
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{
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//下载成功
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}
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else
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{
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//下载失败
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}
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}
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/// <summary>
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/// 文件下载失败
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/// </summary>
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private void OnPatchFileDownloadFailed(string fileName)
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{
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Debug.LogError($"File download failed : {fileName}");
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}
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/// <summary>
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/// 下载进度的更新
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/// </summary>
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private void OnDownloadProgressUpdate(int totalDownloadCount, int currentDownloadCount, long totalDownloadSizeBytes, long currentDownloadSizeBytes)
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{
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}
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/// <summary>
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/// 下载结束，成功或失败
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/// </summary>
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private void OnDownloadOver(bool isSucceed)
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{
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}
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````
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