151 lines
3.4 KiB
C#
151 lines
3.4 KiB
C#
using System.IO;
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namespace YooAsset
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{
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/// <summary>
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/// WebGL平台加载器
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/// </summary>
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internal class RawBundleWebLoader : BundleLoaderBase
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{
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private enum ESteps
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{
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None,
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Download,
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CheckDownload,
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Website,
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CheckWebsite,
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CheckFile,
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Done,
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}
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private ESteps _steps = ESteps.None;
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private DownloaderBase _website;
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private DownloaderBase _downloader;
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public RawBundleWebLoader(AssetSystemImpl impl, BundleInfo bundleInfo) : base(impl, bundleInfo)
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{
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}
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/// <summary>
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/// 轮询更新
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/// </summary>
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public override void Update()
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{
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if (_steps == ESteps.Done)
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return;
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if (_steps == ESteps.None)
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{
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if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromRemote)
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{
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_steps = ESteps.Download;
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FileLoadPath = MainBundleInfo.Bundle.CachedDataFilePath;
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}
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else if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
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{
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_steps = ESteps.Website;
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FileLoadPath = MainBundleInfo.Bundle.CachedDataFilePath;
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}
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else if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
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{
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_steps = ESteps.CheckFile;
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FileLoadPath = MainBundleInfo.Bundle.CachedDataFilePath;
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}
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else
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{
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throw new System.NotImplementedException(MainBundleInfo.LoadMode.ToString());
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}
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}
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// 1. 下载远端文件
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if (_steps == ESteps.Download)
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{
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int failedTryAgain = Impl.DownloadFailedTryAgain;
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_downloader = DownloadSystem.BeginDownload(MainBundleInfo, failedTryAgain);
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_steps = ESteps.CheckDownload;
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}
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// 2. 检测下载结果
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if (_steps == ESteps.CheckDownload)
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{
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DownloadProgress = _downloader.DownloadProgress;
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DownloadedBytes = _downloader.DownloadedBytes;
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if (_downloader.IsDone() == false)
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return;
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if (_downloader.HasError())
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{
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_steps = ESteps.Done;
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Status = EStatus.Failed;
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LastError = _downloader.GetLastError();
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}
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else
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{
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_steps = ESteps.CheckFile;
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}
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}
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// 3. 从站点下载
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if (_steps == ESteps.Website)
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{
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int failedTryAgain = Impl.DownloadFailedTryAgain;
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var bundleInfo = ManifestTools.GetUnpackInfo(MainBundleInfo.Bundle);
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_website = DownloadSystem.BeginDownload(bundleInfo, failedTryAgain);
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_steps = ESteps.CheckWebsite;
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}
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// 4. 检测站点下载
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if (_steps == ESteps.CheckWebsite)
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{
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DownloadProgress = _website.DownloadProgress;
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DownloadedBytes = _website.DownloadedBytes;
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if (_website.IsDone() == false)
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return;
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if (_website.HasError())
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{
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_steps = ESteps.Done;
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Status = EStatus.Failed;
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LastError = _website.GetLastError();
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}
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else
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{
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_steps = ESteps.CheckFile;
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}
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}
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// 5. 检测结果
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if (_steps == ESteps.CheckFile)
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{
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// 设置下载进度
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DownloadProgress = 1f;
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DownloadedBytes = (ulong)MainBundleInfo.Bundle.FileSize;
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_steps = ESteps.Done;
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if (File.Exists(FileLoadPath))
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{
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Status = EStatus.Succeed;
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}
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else
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{
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Status = EStatus.Failed;
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LastError = $"Raw file not found : {FileLoadPath}";
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}
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}
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}
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/// <summary>
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/// 主线程等待异步操作完毕
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/// </summary>
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public override void WaitForAsyncComplete()
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{
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if (IsDone() == false)
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{
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Status = EStatus.Failed;
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LastError = $"{nameof(WaitForAsyncComplete)} failed ! WebGL platform not support sync load method !";
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YooLogger.Error(LastError);
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}
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}
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}
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} |