99 lines
3.3 KiB
C#
99 lines
3.3 KiB
C#
using System;
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using System.IO;
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using System.Collections;
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using System.Collections.Generic;
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namespace YooAsset
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{
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public class GetAllCacheFileInfosOperation : AsyncOperationBase
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{
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private enum ESteps
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{
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None,
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TryLoadCacheManifest,
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GetCacheFileInfos,
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Done,
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}
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private readonly PersistentManager _persistent;
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private readonly CacheManager _cache;
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private readonly string _packageVersion;
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private LoadCacheManifestOperation _tryLoadCacheManifestOp;
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private PackageManifest _manifest;
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private ESteps _steps = ESteps.None;
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private List<CacheFileInfo> _cacheFileInfos;
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/// <summary>
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/// 搜索结果
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/// </summary>
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public List<CacheFileInfo> Result
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{
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get { return _cacheFileInfos; }
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}
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internal GetAllCacheFileInfosOperation(PersistentManager persistent, CacheManager cache, string packageVersion)
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{
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_persistent = persistent;
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_cache = cache;
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_packageVersion = packageVersion;
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}
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internal override void InternalOnStart()
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{
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_steps = ESteps.TryLoadCacheManifest;
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}
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internal override void InternalOnUpdate()
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{
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if (_steps == ESteps.None || _steps == ESteps.Done)
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return;
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if (_steps == ESteps.TryLoadCacheManifest)
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{
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if (_tryLoadCacheManifestOp == null)
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{
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_tryLoadCacheManifestOp = new LoadCacheManifestOperation(_persistent, _packageVersion);
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OperationSystem.StartOperation(_cache.PackageName, _tryLoadCacheManifestOp);
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}
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if (_tryLoadCacheManifestOp.IsDone == false)
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return;
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if (_tryLoadCacheManifestOp.Status == EOperationStatus.Succeed)
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{
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_manifest = _tryLoadCacheManifestOp.Manifest;
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_steps = ESteps.GetCacheFileInfos;
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}
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else
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = _tryLoadCacheManifestOp.Error;
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}
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}
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if (_steps == ESteps.GetCacheFileInfos)
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{
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var allCachedGUIDs = _cache.GetAllCachedGUIDs();
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_cacheFileInfos = new List<CacheFileInfo>(allCachedGUIDs.Count);
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for (int i = 0; i < allCachedGUIDs.Count; i++)
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{
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var cachedGUID = allCachedGUIDs[i];
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var wrapper = _cache.TryGetWrapper(cachedGUID);
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if (wrapper != null)
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{
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if (_manifest.TryGetPackageBundleByCacheGUID(cachedGUID, out var packageBundle))
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{
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var cacheFileInfo = new CacheFileInfo(packageBundle.FileName, wrapper.DataFilePath, wrapper.DataFileCRC, wrapper.DataFileSize);
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_cacheFileInfos.Add(cacheFileInfo);
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}
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}
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}
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// 注意：总是返回成功
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_steps = ESteps.Done;
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Status = EOperationStatus.Succeed;
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}
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}
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}
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} |