Update CacheSystem

优化缓存系统代码结构

Assets/YooAsset/Runtime/AssetSystem/AssetSystem.cs

@@ -273,7 +273,7 @@ namespace YooAsset
 		private static AssetBundleLoaderBase CreateAssetBundleLoaderInternal(BundleInfo bundleInfo)
 		{
 			// 如果加载器已经存在
-			AssetBundleLoaderBase loader = TryGetAssetBundleLoader(bundleInfo.BundleName);
+			AssetBundleLoaderBase loader = TryGetAssetBundleLoader(bundleInfo.Bundle.BundleName);
 			if (loader != null)
 				return loader;
 
@@ -293,7 +293,7 @@ namespace YooAsset
 			for (int i = 0; i < _loaders.Count; i++)
 			{
 				AssetBundleLoaderBase temp = _loaders[i];
-				if (temp.MainBundleInfo.BundleName.Equals(bundleName))
+				if (temp.MainBundleInfo.Bundle.BundleName.Equals(bundleName))
 				{
 					loader = temp;
 					break;

Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleFileLoader.cs

@@ -40,29 +40,20 @@ namespace YooAsset
 
 			if (_steps == ESteps.None)
 			{
-				if (MainBundleInfo.IsInvalid)
-				{
-					_steps = ESteps.Done;
-					Status = EStatus.Failed;
-					LastError = $"The bundle info is invalid : {MainBundleInfo.BundleName}";
-					YooLogger.Error(LastError);
-					return;
-				}
-
 				if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromRemote)
 				{
 					_steps = ESteps.Download;
-					_fileLoadPath = MainBundleInfo.GetCacheLoadPath();
+					_fileLoadPath = MainBundleInfo.Bundle.CachedFilePath;
 				}
 				else if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
 				{
 					_steps = ESteps.LoadFile;
-					_fileLoadPath = MainBundleInfo.GetStreamingLoadPath();
+					_fileLoadPath = MainBundleInfo.Bundle.StreamingFilePath;
 				}
 				else if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
 				{
 					_steps = ESteps.LoadFile;
-					_fileLoadPath = MainBundleInfo.GetCacheLoadPath();
+					_fileLoadPath = MainBundleInfo.Bundle.CachedFilePath;
 				}
 				else
 				{
@@ -112,15 +103,14 @@ namespace YooAsset
 #endif
 
 				// Load assetBundle file
-				if (MainBundleInfo.IsEncrypted)
+				if (MainBundleInfo.Bundle.IsEncrypted)
 				{
 					if (AssetSystem.DecryptionServices == null)
-						throw new Exception($"{nameof(AssetBundleFileLoader)} need {nameof(IDecryptionServices)} : {MainBundleInfo.BundleName}");
+						throw new Exception($"{nameof(AssetBundleFileLoader)} need {nameof(IDecryptionServices)} : {MainBundleInfo.Bundle.BundleName}");
 
 					DecryptionFileInfo fileInfo = new DecryptionFileInfo();
-					fileInfo.BundleName = MainBundleInfo.BundleName;
+					fileInfo.BundleName = MainBundleInfo.Bundle.BundleName;
-					fileInfo.FileHash = MainBundleInfo.FileHash;
+					fileInfo.FileHash = MainBundleInfo.Bundle.FileHash;
-					fileInfo.FileCRC = MainBundleInfo.FileCRC;
 					ulong offset = AssetSystem.DecryptionServices.GetFileOffset(fileInfo);
 					if (_isWaitForAsyncComplete)
 						CacheBundle = AssetBundle.LoadFromFile(_fileLoadPath, 0, offset);
@@ -161,15 +151,15 @@ namespace YooAsset
 				{
 					_steps = ESteps.Done;
 					Status = EStatus.Failed;
-					LastError = $"Failed to load assetBundle : {MainBundleInfo.BundleName}";
+					LastError = $"Failed to load assetBundle : {MainBundleInfo.Bundle.BundleName}";
 					YooLogger.Error(LastError);
 
 					// 注意：当缓存文件的校验等级为Low的时候，并不能保证缓存文件的完整性。
 					// 在AssetBundle文件加载失败的情况下，我们需要重新验证文件的完整性！
 					if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
 					{
-						string cacheLoadPath = MainBundleInfo.GetCacheLoadPath();
+						string cacheLoadPath = MainBundleInfo.Bundle.CachedFilePath;
-						if (CacheSystem.CheckContentIntegrity(EVerifyLevel.High, cacheLoadPath, MainBundleInfo.FileSize, MainBundleInfo.FileCRC) == false)
+						if (CacheSystem.VerifyBundle(MainBundleInfo.Bundle, EVerifyLevel.High) == false)
 						{
 							if (File.Exists(cacheLoadPath))
 							{
@@ -205,7 +195,7 @@ namespace YooAsset
 					if (_isShowWaitForAsyncError == false)
 					{
 						_isShowWaitForAsyncError = true;
-						YooLogger.Error($"WaitForAsyncComplete failed ! Try load bundle : {MainBundleInfo.BundleName} from remote with sync load method !");
+						YooLogger.Error($"WaitForAsyncComplete failed ! Try load bundle : {MainBundleInfo.Bundle.BundleName} from remote with sync load method !");
 					}
 					break;
 				}

Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleLoaderBase.cs

@@ -91,9 +91,9 @@ namespace YooAsset
 			if (forceDestroy == false)
 			{
 				if (RefCount > 0)
-					throw new Exception($"Bundle file loader ref is not zero : {MainBundleInfo.BundleName}");
+					throw new Exception($"Bundle file loader ref is not zero : {MainBundleInfo.Bundle.BundleName}");
 				if (IsDone() == false)
-					throw new Exception($"Bundle file loader is not done : {MainBundleInfo.BundleName}");
+					throw new Exception($"Bundle file loader is not done : {MainBundleInfo.Bundle.BundleName}");
 			}
 
 			if (CacheBundle != null)

Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleWebLoader.cs

@@ -38,19 +38,10 @@ namespace YooAsset
 
 			if (_steps == ESteps.None)
 			{
-				if (MainBundleInfo.IsInvalid)
-				{
-					_steps = ESteps.Done;
-					Status = EStatus.Failed;
-					LastError = $"The bundle info is invalid : {MainBundleInfo.BundleName}";
-					YooLogger.Error(LastError);
-					return;
-				}
-
 				if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
 				{
 					_steps = ESteps.LoadFile;
-					_webURL = MainBundleInfo.GetStreamingLoadPath();
+					_webURL = MainBundleInfo.Bundle.StreamingFilePath;
 				}
 				else
 				{
@@ -61,7 +52,7 @@ namespace YooAsset
 			// 1. 从服务器或缓存中获取AssetBundle文件
 			if (_steps == ESteps.LoadFile)
 			{
-				_webRequest = UnityWebRequestAssetBundle.GetAssetBundle(_webURL, Hash128.Parse(MainBundleInfo.FileHash));
+				_webRequest = UnityWebRequestAssetBundle.GetAssetBundle(_webURL, Hash128.Parse(MainBundleInfo.Bundle.FileHash));
 				_webRequest.SendWebRequest();
 				_steps = ESteps.CheckFile;
 			}
@@ -89,7 +80,7 @@ namespace YooAsset
 					{
 						_steps = ESteps.Done;
 						Status = EStatus.Failed;
-						LastError = $"AssetBundle file is invalid : {MainBundleInfo.BundleName}";
+						LastError = $"AssetBundle file is invalid : {MainBundleInfo.Bundle.BundleName}";
 						YooLogger.Error(LastError);
 					}
 					else

Assets/YooAsset/Runtime/AssetSystem/Loader/DependAssetBundleGrouper.cs

@@ -102,7 +102,7 @@ namespace YooAsset
 			foreach (var loader in _dependBundles)
 			{
 				var bundleInfo = new DebugBundleInfo();
-				bundleInfo.BundleName = loader.MainBundleInfo.BundleName;
+				bundleInfo.BundleName = loader.MainBundleInfo.Bundle.BundleName;
 				bundleInfo.RefCount = loader.RefCount;
 				bundleInfo.Status = (int)loader.Status;
 				output.Add(bundleInfo);

Assets/YooAsset/Runtime/AssetSystem/Operations/RawFileOperation.cs

@@ -171,14 +171,14 @@ namespace YooAsset
 		{
 			None,
 			Prepare,
-			DownloadFromApk,
+			DownloadBuildinFile,
-			CheckDownloadFromApk,
+			CheckDownload,
 			CheckAndCopyFile,
 			Done,
 		}
 
 		private ESteps _steps = ESteps.None;
-		private UnityWebFileRequester _fileRequester;
+		private DownloaderBase _downloader;
 
 		public OfflinePlayModeRawFileOperation(BundleInfo bundleInfo, string copyPath) : base(bundleInfo, copyPath)
 		{
@@ -199,14 +199,15 @@ namespace YooAsset
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = $"Bundle info is invalid : {_bundleInfo.BundleName}";
+					Error = $"Bundle info is invalid : {_bundleInfo.Bundle.BundleName}";
 				}
 				else if (_bundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
 				{
-					if (CacheSystem.ContainsVerifyFile(_bundleInfo.LoadBundle))
+					_steps = ESteps.DownloadBuildinFile;
-						_steps = ESteps.CheckAndCopyFile;
+				}
-					else
+				else if (_bundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
-						_steps = ESteps.DownloadFromApk;
+				{
+					_steps = ESteps.CheckAndCopyFile;
 				}
 				else
 				{
@@ -214,43 +215,32 @@ namespace YooAsset
 				}
 			}
 
-			// 2. 从APK拷贝文件
+			// 2. 下载文件
-			if (_steps == ESteps.DownloadFromApk)
+			if (_steps == ESteps.DownloadBuildinFile)
 			{
-				string downloadURL = PathHelper.ConvertToWWWPath(_bundleInfo.GetStreamingLoadPath());
+				int failedTryAgain = int.MaxValue;
-				_fileRequester = new UnityWebFileRequester();
+				var bundleInfo = PatchHelper.ConvertToUnpackInfo(_bundleInfo.Bundle);
-				_fileRequester.SendRequest(downloadURL, GetCachePath());
+				_downloader = DownloadSystem.BeginDownload(bundleInfo, failedTryAgain);
-				_steps = ESteps.CheckDownloadFromApk;
+				_steps = ESteps.CheckDownload;
 			}
 
-			// 3. 检测APK拷贝文件结果
+			// 3. 检测下载结果
-			if (_steps == ESteps.CheckDownloadFromApk)
+			if (_steps == ESteps.CheckDownload)
 			{
-				Progress = _fileRequester.Progress();
+				Progress = _downloader.DownloadProgress;
-				if (_fileRequester.IsDone() == false)
+				if (_downloader.IsDone() == false)
 					return;
 
-				if (_fileRequester.HasError())
+				if (_downloader.HasError())
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = _fileRequester.GetError();
+					Error = _downloader.GetLastError();
 				}
 				else
 				{
-					if (CacheSystem.CheckContentIntegrity(GetCachePath(), _bundleInfo.FileSize, _bundleInfo.FileCRC))
+					_steps = ESteps.CheckAndCopyFile;
-					{
-						CacheSystem.CacheVerifyFile(_bundleInfo.LoadBundle);
-						_steps = ESteps.CheckAndCopyFile;
-					}
-					else
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Failed;
-						Error = "File content verify failed !";
-					}
 				}
-				_fileRequester.Dispose();
 			}
 
 			// 4. 检测并拷贝原生文件
@@ -267,7 +257,7 @@ namespace YooAsset
 				// 如果原生文件已经存在，则验证其完整性
 				if (File.Exists(CopyPath))
 				{
-					bool result = CacheSystem.CheckContentIntegrity(CopyPath, _bundleInfo.FileSize, _bundleInfo.FileCRC);
+					bool result = CacheSystem.VerifyContentInternal(CopyPath, _bundleInfo.Bundle.FileSize, _bundleInfo.Bundle.FileCRC, EVerifyLevel.High);
 					if (result)
 					{
 						_steps = ESteps.Done;
@@ -303,7 +293,7 @@ namespace YooAsset
 		{
 			if (_bundleInfo == null)
 				return string.Empty;
-			return _bundleInfo.GetCacheLoadPath();
+			return _bundleInfo.Bundle.CachedFilePath;
 		}
 	}
 
@@ -316,17 +306,15 @@ namespace YooAsset
 		{
 			None,
 			Prepare,
-			DownloadFromWeb,
+			DownloadWebFile,
-			CheckDownloadFromWeb,
+			DownloadBuildinFile,
-			DownloadFromApk,
+			CheckDownload,
-			CheckDownloadFromApk,
 			CheckAndCopyFile,
 			Done,
 		}
 
 		private ESteps _steps = ESteps.None;
 		private DownloaderBase _downloader;
-		private UnityWebFileRequester _fileRequester;
 
 		internal HostPlayModeRawFileOperation(BundleInfo bundleInfo, string copyPath) : base(bundleInfo, copyPath)
 		{
@@ -347,18 +335,15 @@ namespace YooAsset
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = $"Bundle info is invalid : {_bundleInfo.BundleName}";
+					Error = $"Bundle info is invalid : {_bundleInfo.Bundle.BundleName}";
 				}
 				else if (_bundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromRemote)
 				{
-					_steps = ESteps.DownloadFromWeb;
+					_steps = ESteps.DownloadWebFile;
 				}
 				else if (_bundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
 				{
-					if (CacheSystem.ContainsVerifyFile(_bundleInfo.LoadBundle))
+					_steps = ESteps.DownloadBuildinFile;
-						_steps = ESteps.CheckAndCopyFile;
-					else
-						_steps = ESteps.DownloadFromApk;
 				}
 				else if (_bundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
 				{
@@ -370,16 +355,25 @@ namespace YooAsset
 				}
 			}
 
-			// 2. 从服务器下载
+			// 2. 下载远端文件
-			if (_steps == ESteps.DownloadFromWeb)
+			if (_steps == ESteps.DownloadWebFile)
 			{
 				int failedTryAgain = int.MaxValue;
 				_downloader = DownloadSystem.BeginDownload(_bundleInfo, failedTryAgain);
-				_steps = ESteps.CheckDownloadFromWeb;
+				_steps = ESteps.CheckDownload;
 			}
 
-			// 3. 检测服务器下载结果
+			// 3. 下载内置文件
-			if (_steps == ESteps.CheckDownloadFromWeb)
+			if (_steps == ESteps.DownloadBuildinFile)
+			{
+				int failedTryAgain = int.MaxValue;
+				var bundleInfo = PatchHelper.ConvertToUnpackInfo(_bundleInfo.Bundle);
+				_downloader = DownloadSystem.BeginDownload(bundleInfo, failedTryAgain);
+				_steps = ESteps.CheckDownload;
+			}
+
+			// 4. 检测下载结果
+			if (_steps == ESteps.CheckDownload)
 			{
 				Progress = _downloader.DownloadProgress;
 				if (_downloader.IsDone() == false)
@@ -397,46 +391,7 @@ namespace YooAsset
 				}
 			}
 
-			// 4. 从APK拷贝文件
+			// 5. 检测并拷贝原生文件
-			if (_steps == ESteps.DownloadFromApk)
-			{
-				string downloadURL = PathHelper.ConvertToWWWPath(_bundleInfo.GetStreamingLoadPath());
-				_fileRequester = new UnityWebFileRequester();
-				_fileRequester.SendRequest(downloadURL, GetCachePath());
-				_steps = ESteps.CheckDownloadFromApk;
-			}
-
-			// 5. 检测APK拷贝文件结果
-			if (_steps == ESteps.CheckDownloadFromApk)
-			{
-				Progress = _fileRequester.Progress();
-				if (_fileRequester.IsDone() == false)
-					return;
-
-				if (_fileRequester.HasError())
-				{
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = _fileRequester.GetError();
-				}
-				else
-				{
-					if (CacheSystem.CheckContentIntegrity(GetCachePath(), _bundleInfo.FileSize, _bundleInfo.FileCRC))
-					{
-						CacheSystem.CacheVerifyFile(_bundleInfo.LoadBundle);
-						_steps = ESteps.CheckAndCopyFile;
-					}
-					else
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Failed;
-						Error = "File content verify failed !";
-					}
-				}
-				_fileRequester.Dispose();
-			}
-
-			// 6. 检测并拷贝原生文件
 			if (_steps == ESteps.CheckAndCopyFile)
 			{
 				// 如果不需要保存文件
@@ -450,7 +405,7 @@ namespace YooAsset
 				// 如果原生文件已经存在，则验证其完整性
 				if (File.Exists(CopyPath))
 				{
-					bool result = CacheSystem.CheckContentIntegrity(CopyPath, _bundleInfo.FileSize, _bundleInfo.FileCRC);
+					bool result = CacheSystem.VerifyContentInternal(CopyPath, _bundleInfo.Bundle.FileSize, _bundleInfo.Bundle.FileCRC, EVerifyLevel.High);
 					if (result)
 					{
 						_steps = ESteps.Done;
@@ -486,7 +441,7 @@ namespace YooAsset
 		{
 			if (_bundleInfo == null)
 				return string.Empty;
-			return _bundleInfo.GetCacheLoadPath();
+			return _bundleInfo.Bundle.CachedFilePath;
 		}
 	}
 }

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledAssetProvider.cs

@@ -65,7 +65,7 @@ namespace YooAsset
 					if (OwnerBundle.IsDestroyed)
 						throw new System.Exception("Should never get here !");
 					Status = EStatus.Fail;
-					LastError = $"The bundle {OwnerBundle.MainBundleInfo.BundleName} has been destroyed by unity bugs !";
+					LastError = $"The bundle {OwnerBundle.MainBundleInfo.Bundle.BundleName} has been destroyed by unity bugs !";
 					InvokeCompletion();
 					return;
 				}
@@ -116,9 +116,9 @@ namespace YooAsset
 				if (Status == EStatus.Fail)
 				{
 					if (MainAssetInfo.AssetType == null)
-						LastError = $"Failed to load asset : {MainAssetInfo.AssetPath} AssetType : null AssetBundle : {OwnerBundle.MainBundleInfo.BundleName}";
+						LastError = $"Failed to load asset : {MainAssetInfo.AssetPath} AssetType : null AssetBundle : {OwnerBundle.MainBundleInfo.Bundle.BundleName}";
 					else
-						LastError = $"Failed to load asset : {MainAssetInfo.AssetPath} AssetType : {MainAssetInfo.AssetType} AssetBundle : {OwnerBundle.MainBundleInfo.BundleName}";
+						LastError = $"Failed to load asset : {MainAssetInfo.AssetPath} AssetType : {MainAssetInfo.AssetType} AssetBundle : {OwnerBundle.MainBundleInfo.Bundle.BundleName}";
 					YooLogger.Error(LastError);
 				}
 				InvokeCompletion();

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledProvider.cs

@@ -41,7 +41,7 @@ namespace YooAsset
 		internal void GetBundleDebugInfos(List<DebugBundleInfo> output)
 		{
 			var bundleInfo = new DebugBundleInfo();
-			bundleInfo.BundleName = OwnerBundle.MainBundleInfo.BundleName;
+			bundleInfo.BundleName = OwnerBundle.MainBundleInfo.Bundle.BundleName;
 			bundleInfo.RefCount = OwnerBundle.RefCount;
 			bundleInfo.Status = (int)OwnerBundle.Status;
 			output.Add(bundleInfo);

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledSubAssetsProvider.cs

@@ -106,9 +106,9 @@ namespace YooAsset
 				if (Status == EStatus.Fail)
 				{
 					if (MainAssetInfo.AssetType == null)
-						LastError = $"Failed to load sub assets : {MainAssetInfo.AssetPath} AssetType : null AssetBundle : {OwnerBundle.MainBundleInfo.BundleName}";
+						LastError = $"Failed to load sub assets : {MainAssetInfo.AssetPath} AssetType : null AssetBundle : {OwnerBundle.MainBundleInfo.Bundle.BundleName}";
 					else
-						LastError = $"Failed to load sub assets : {MainAssetInfo.AssetPath} AssetType : {MainAssetInfo.AssetType} AssetBundle : {OwnerBundle.MainBundleInfo.BundleName}";
+						LastError = $"Failed to load sub assets : {MainAssetInfo.AssetPath} AssetType : {MainAssetInfo.AssetType} AssetBundle : {OwnerBundle.MainBundleInfo.Bundle.BundleName}";
 					YooLogger.Error(LastError);
 				}
 				InvokeCompletion();

Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs

@@ -2,71 +2,46 @@
 using System.IO;
 using System.Collections;
 using System.Collections.Generic;
+using UnityEngine;
 
 namespace YooAsset
 {
 	internal static class CacheSystem
 	{
-		private readonly static HashSet<PatchBundle> _cacheBundles = new HashSet<PatchBundle>();
+		private readonly static Dictionary<string, PatchBundle> _cachedDic = new Dictionary<string, PatchBundle>(1000);
-		private readonly static Dictionary<string, string> _cachedHashList = new Dictionary<string, string>(1000);
-		private static EVerifyLevel _verifyLevel = EVerifyLevel.High;
 
-		public static void Initialize(EVerifyLevel verifyLevel)
+		/// <summary>
+		/// 初始化时的验证级别
+		/// </summary>
+		public static EVerifyLevel InitVerifyLevel { private set; get; }
+
+		public static void Initialize(EVerifyLevel initVerifyLevel)
 		{
-			_verifyLevel = verifyLevel;
+			InitVerifyLevel = initVerifyLevel;
 		}
 		public static void DestroyAll()
 		{
-			_cacheBundles.Clear();
+			_cachedDic.Clear();
 		}
 
-		public static void WriteInfoFileForCachedFile()
-		{
-
-		}
-		public static void ReadInfoFileForCachedFile()
-		{
-
-		}
-
-		public static void GetCachingDiskSpaceUsed()
-		{
-
-		}
-		public static void GetCachingDiskSpaceFree()
-		{
-
-		}
-
-		public static bool IsCached(PatchBundle patchBundle)
-		{
-			return false;
-		}
-		public static void ClearCache()
-		{
-
-		}
-
-
 		/// <summary>
 		/// 查询是否为验证文件
 		/// 注意：被收录的文件完整性是绝对有效的
 		/// </summary>
-		public static bool ContainsVerifyFile(PatchBundle patchBundle)
+		public static bool IsCached(PatchBundle patchBundle)
 		{
 			string fileHash = patchBundle.FileHash;
-			if (_cachedHashList.ContainsKey(fileHash))
+			if (_cachedDic.ContainsKey(fileHash))
 			{
-				string fileName = _cachedHashList[fileHash];
+				string filePath = patchBundle.CachedFilePath;
-				string filePath = SandboxHelper.MakeCacheFilePath(fileName);
 				if (File.Exists(filePath))
 				{
 					return true;
 				}
 				else
 				{
-					_cachedHashList.Remove(fileHash);
+					_cachedDic.Remove(fileHash);
-					YooLogger.Error($"Cache file is missing : {fileName}");
+					YooLogger.Error($"Cache file is missing : {filePath}");
 					return false;
 				}
 			}
@@ -77,31 +52,47 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 缓存验证过的文件
+		/// 缓存补丁包文件
 		/// </summary>
-		public static void CacheVerifyFile(PatchBundle patchBundle)
+		public static void CacheBundle(PatchBundle patchBundle)
 		{
 			string fileHash = patchBundle.FileHash;
-			string fileName = patchBundle.FileName;
+			if (_cachedDic.ContainsKey(fileHash) == false)
-			if (_cachedHashList.ContainsKey(fileHash) == false)
 			{
-				YooLogger.Log($"Cache verify file : {fileName}");
+				string filePath = patchBundle.CachedFilePath;
-				_cachedHashList.Add(fileHash, fileName);
+				YooLogger.Log($"Cache verify file : {filePath}");
+				_cachedDic.Add(fileHash, patchBundle);
+			}
+		}
+
+		/// <summary>
+		/// 验证补丁包文件
+		/// </summary>
+		public static bool VerifyBundle(PatchBundle patchBundle, EVerifyLevel verifyLevel)
+		{
+			return VerifyContentInternal(patchBundle.CachedFilePath, patchBundle.FileSize, patchBundle.FileCRC, verifyLevel);
+		}
+
+		/// <summary>
+		/// 验证并缓存补丁包文件
+		/// </summary>
+		public static bool VerifyAndCacheBundle(PatchBundle patchBundle, EVerifyLevel verifyLevel)
+		{
+			if (VerifyContentInternal(patchBundle.CachedFilePath, patchBundle.FileSize, patchBundle.FileCRC, verifyLevel))
+			{
+				CacheBundle(patchBundle);
+				return true;
+			}
+			else
+			{
+				return false;
 			}
 		}
 
 		/// <summary>
 		/// 验证文件完整性
 		/// </summary>
-		public static bool CheckContentIntegrity(string filePath, long fileSize, string fileCRC)
+		public static bool VerifyContentInternal(string filePath, long fileSize, string fileCRC, EVerifyLevel verifyLevel)
-		{
-			return CheckContentIntegrity(_verifyLevel, filePath, fileSize, fileCRC);
-		}
-
-		/// <summary>
-		/// 验证文件完整性
-		/// </summary>
-		public static bool CheckContentIntegrity(EVerifyLevel verifyLevel, string filePath, long fileSize, string fileCRC)
 		{
 			try
 			{

Assets/YooAsset/Runtime/CacheSystem/PatchCacheVerifier.cs

@@ -48,7 +48,7 @@ namespace YooAsset
 			foreach (var patchBundle in localPatchManifest.BundleList)
 			{
 				// 忽略缓存文件
-				if (CacheSystem.ContainsVerifyFile(patchBundle))
+				if (CacheSystem.IsCached(patchBundle))
 					continue;
 
 				// 忽略APP资源
@@ -62,7 +62,7 @@ namespace YooAsset
 				// 注意：在弱联网模式下，我们需要验证指定资源版本的所有资源完整性
 				if (weaklyUpdate)
 				{
-					string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.FileName);
+					string filePath = patchBundle.CachedFilePath;
 					if (File.Exists(filePath))
 						_waitingList.Add(patchBundle);
 					else
@@ -70,7 +70,7 @@ namespace YooAsset
 				}
 				else
 				{
-					string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.FileName);
+					string filePath = patchBundle.CachedFilePath;
 					if (File.Exists(filePath))
 						_waitingList.Add(patchBundle);
 				}
@@ -124,14 +124,14 @@ namespace YooAsset
 
 		private bool VerifyFile(PatchBundle patchBundle)
 		{
-			string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.FileName);
+			string filePath = patchBundle.CachedFilePath;
 			ThreadInfo info = new ThreadInfo(filePath, patchBundle);
 			return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyInThread), info);
 		}
 		private void VerifyInThread(object infoObj)
 		{
 			ThreadInfo info = (ThreadInfo)infoObj;
-			info.Result = CacheSystem.CheckContentIntegrity(info.FilePath, info.Bundle.FileSize, info.Bundle.FileCRC);
+			info.Result = CacheSystem.VerifyBundle(info.Bundle, CacheSystem.InitVerifyLevel);
 			_syncContext.Post(VerifyCallback, info);
 		}
 		private void VerifyCallback(object obj)
@@ -140,17 +140,17 @@ namespace YooAsset
 			if (info.Result)
 			{
 				VerifySuccessCount++;
-				CacheSystem.CacheVerifyFile(info.Bundle);
+				CacheSystem.CacheBundle(info.Bundle);
 			}
 			else
 			{
 				VerifyFailCount++;
+				YooLogger.Warning($"Failed to verify file : {info.Bundle.CachedFilePath}");
 
 				// NOTE：不期望删除断点续传的资源文件
 				/*
-				YooLogger.Warning($"Failed to verify file : {info.FilePath}");
+				if (File.Exists(patchBundle.CachedBundleFilePath))
-				if (File.Exists(info.FilePath))
+					File.Delete(patchBundle.CachedBundleFilePath);
-					File.Delete(info.FilePath);
 				*/
 			}
 			_verifyingList.Remove(info.Bundle);
@@ -173,7 +173,7 @@ namespace YooAsset
 			foreach (var patchBundle in localPatchManifest.BundleList)
 			{
 				// 忽略缓存文件
-				if (CacheSystem.ContainsVerifyFile(patchBundle))
+				if (CacheSystem.IsCached(patchBundle))
 					continue;
 
 				// 忽略APP资源
@@ -187,7 +187,7 @@ namespace YooAsset
 				// 注意：在弱联网模式下，我们需要验证指定资源版本的所有资源完整性
 				if (weaklyUpdate)
 				{
-					string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.FileName);
+					string filePath = patchBundle.CachedFilePath;
 					if (File.Exists(filePath))
 						_waitingList.Add(patchBundle);
 					else
@@ -195,7 +195,7 @@ namespace YooAsset
 				}
 				else
 				{
-					string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.FileName);
+					string filePath = patchBundle.CachedFilePath;
 					if (File.Exists(filePath))
 						_waitingList.Add(patchBundle);
 				}
@@ -234,22 +234,19 @@ namespace YooAsset
 
 		private void VerifyFile(PatchBundle patchBundle)
 		{
-			string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.FileName);
+			if (CacheSystem.VerifyAndCacheBundle(patchBundle, CacheSystem.InitVerifyLevel))
-			bool result = CacheSystem.CheckContentIntegrity(filePath, patchBundle.FileSize, patchBundle.FileCRC);
-			if (result)
 			{
 				VerifySuccessCount++;
-				CacheSystem.CacheVerifyFile(patchBundle);
 			}
 			else
 			{
 				VerifyFailCount++;
+				YooLogger.Warning($"Failed to verify file : {patchBundle.CachedFilePath}");
 
 				// NOTE：不期望删除断点续传的资源文件
-				/*
+				/*			
-				YooLogger.Warning($"Failed to verify file : {info.FilePath}");
+				if (File.Exists(patchBundle.CachedBundleFilePath))
-				if (File.Exists(info.FilePath))
+					File.Delete(patchBundle.CachedBundleFilePath);
-					File.Delete(info.FilePath);
 				*/
 			}
 		}

Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs

@@ -70,13 +70,13 @@ namespace YooAsset
 		public static DownloaderBase BeginDownload(BundleInfo bundleInfo, int failedTryAgain, int timeout = 60)
 		{
 			// 查询存在的下载器
-			if (_downloaderDic.TryGetValue(bundleInfo.FileHash, out var downloader))
+			if (_downloaderDic.TryGetValue(bundleInfo.Bundle.CachedFilePath, out var downloader))
 			{
 				return downloader;
 			}
 
 			// 如果资源已经缓存
-			if (CacheSystem.ContainsVerifyFile(bundleInfo.LoadBundle))
+			if (CacheSystem.IsCached(bundleInfo.Bundle))
 			{
 				var tempDownloader = new TempDownloader(bundleInfo);
 				return tempDownloader;
@@ -84,15 +84,15 @@ namespace YooAsset
 
 			// 创建新的下载器	
 			{
-				YooLogger.Log($"Beginning to download file : {bundleInfo.FileName} URL : {bundleInfo.RemoteMainURL}");
+				YooLogger.Log($"Beginning to download file : {bundleInfo.Bundle.FileName} URL : {bundleInfo.RemoteMainURL}");
-				FileUtility.CreateFileDirectory(bundleInfo.GetCacheLoadPath());
+				FileUtility.CreateFileDirectory(bundleInfo.Bundle.CachedFilePath);
 				DownloaderBase newDownloader;
-				if (bundleInfo.FileSize >= _breakpointResumeFileSize)
+				if (bundleInfo.Bundle.FileSize >= _breakpointResumeFileSize)
 					newDownloader = new HttpDownloader(bundleInfo);
 				else
 					newDownloader = new FileDownloader(bundleInfo);
 				newDownloader.SendRequest(failedTryAgain, timeout);
-				_downloaderDic.Add(bundleInfo.FileHash, newDownloader);
+				_downloaderDic.Add(bundleInfo.Bundle.CachedFilePath, newDownloader);
 				return newDownloader;
 			}
 		}

Assets/YooAsset/Runtime/DownloadSystem/Downloader/DownloaderBase.cs

@@ -6,6 +6,7 @@ namespace YooAsset
 		protected enum ESteps
 		{
 			None,
+			CheckLocalFile,
 			CreateDownload,
 			CheckDownload,
 			TryAgain,
@@ -54,7 +55,7 @@ namespace YooAsset
 			{
 				_failedTryAgain = failedTryAgain;
 				_timeout = timeout;
-				_steps = ESteps.CreateDownload;
+				_steps = ESteps.CheckLocalFile;
 			}
 		}
 		public abstract void Update();

Assets/YooAsset/Runtime/DownloadSystem/Downloader/FileDownloader.cs

@@ -29,6 +29,19 @@ namespace YooAsset
 			if (IsDone())
 				return;
 
+			// 检测本地文件
+			if (_steps == ESteps.CheckLocalFile)
+			{
+				if (CacheSystem.VerifyAndCacheBundle(_bundleInfo.Bundle, EVerifyLevel.High))
+				{
+					_steps = ESteps.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.CreateDownload;
+				}
+			}
+
 			// 创建下载器
 			if (_steps == ESteps.CreateDownload)
 			{
@@ -42,7 +55,7 @@ namespace YooAsset
 
 				_requestURL = GetRequestURL();
 				_webRequest = new UnityWebRequest(_requestURL, UnityWebRequest.kHttpVerbGET);
-				DownloadHandlerFile handler = new DownloadHandlerFile(_bundleInfo.GetCacheLoadPath());
+				DownloadHandlerFile handler = new DownloadHandlerFile(_bundleInfo.Bundle.CachedFilePath);
 				handler.removeFileOnAbort = true;
 				_webRequest.downloadHandler = handler;
 				_webRequest.disposeDownloadHandlerOnDispose = true;
@@ -61,8 +74,9 @@ namespace YooAsset
 					return;
 				}
 
-				// 检查网络错误
 				bool hasError = false;
+
+				// 检查网络错误
 #if UNITY_2020_3_OR_NEWER
 				if (_webRequest.result != UnityWebRequest.Result.Success)
 				{
@@ -80,22 +94,18 @@ namespace YooAsset
 				// 检查文件完整性
 				if (hasError == false)
 				{
-					// 注意：如果文件验证失败需要删除文件				
+					if (CacheSystem.VerifyAndCacheBundle(_bundleInfo.Bundle, EVerifyLevel.High) == false)
-					if (CacheSystem.CheckContentIntegrity(_bundleInfo.GetCacheLoadPath(), _bundleInfo.FileSize, _bundleInfo.FileCRC) == false)
 					{
 						hasError = true;
-						_lastError = $"Verification failed";
+						_lastError = $"Verify bundle content failed : {_bundleInfo.Bundle.FileName}";
 					}
 				}
 
-				if (hasError == false)
+				// 如果下载失败
+				if (hasError)
 				{
-					_steps = ESteps.Succeed;
+					// 下载失败后删除文件
-					CacheSystem.CacheVerifyFile(_bundleInfo.LoadBundle);
+					string cacheFilePath = _bundleInfo.Bundle.CachedFilePath;
-				}
-				else
-				{
-					string cacheFilePath = _bundleInfo.GetCacheLoadPath();
 					if (File.Exists(cacheFilePath))
 						File.Delete(cacheFilePath);
 
@@ -111,6 +121,11 @@ namespace YooAsset
 						_steps = ESteps.Failed;
 					}
 				}
+				else
+				{
+					_lastError = string.Empty;
+					_steps = ESteps.Succeed;
+				}
 
 				// 释放下载器
 				DisposeWebRequest();

Assets/YooAsset/Runtime/DownloadSystem/Downloader/HttpDownloader.cs

@@ -21,8 +21,6 @@ namespace YooAsset
 			private bool _running = true;
 			private string _url;
 			private string _savePath;
-			private string _fileName;
-			private string _fileCRC;
 			private long _fileSize;
 			private int _timeout;
 
@@ -50,12 +48,10 @@ namespace YooAsset
 			/// <summary>
 			/// 开始下载
 			/// </summary>
-			public void Run(string url, string savePath, string fileName, string fileCRC, long fileSize, int timeout)
+			public void Run(string url, string savePath, long fileSize, int timeout)
 			{
 				_url = url;
 				_savePath = savePath;
-				_fileName = fileName;
-				_fileCRC = fileCRC;
 				_fileSize = fileSize;
 				_timeout = timeout;
 
@@ -153,22 +149,6 @@ namespace YooAsset
 						fileStream.Close();
 					}
 
-					// 验证下载文件完整性
-					if (DownloadedBytes == (ulong)_fileSize)
-					{
-						bool verfiyResult = CacheSystem.CheckContentIntegrity(_savePath, _fileSize, _fileCRC);
-						if (verfiyResult == false)
-						{
-							Error = $"Verify download content failed : {_fileName}";
-							if (File.Exists(_savePath))
-								File.Delete(_savePath);
-						}
-					}
-					else
-					{
-						Error = $"Download content is incomplete : {_fileName}";
-					}
-
 					IsDone = true;
 				}
 			}
@@ -188,6 +168,20 @@ namespace YooAsset
 			if (IsDone())
 				return;
 
+			// 检测本地文件
+			if (_steps == ESteps.CheckLocalFile)
+			{
+				if (CacheSystem.VerifyAndCacheBundle(_bundleInfo.Bundle, EVerifyLevel.High))
+				{
+					_steps = ESteps.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.CreateDownload;
+				}
+			}
+
+			// 创建下载器
 			if (_steps == ESteps.CreateDownload)
 			{
 				// 重置变量
@@ -197,10 +191,11 @@ namespace YooAsset
 
 				_requestURL = GetRequestURL();
 				_threadDownloader = new ThreadDownloader();
-				_threadDownloader.Run(_requestURL, _bundleInfo.GetCacheLoadPath(), _bundleInfo.FileName, _bundleInfo.FileCRC, _bundleInfo.FileSize, _timeout);
+				_threadDownloader.Run(_requestURL, _bundleInfo.Bundle.CachedFilePath, _bundleInfo.Bundle.FileSize, _timeout);
 				_steps = ESteps.CheckDownload;
 			}
 
+			// 检测下载结果
 			if (_steps == ESteps.CheckDownload)
 			{
 				_downloadProgress = _threadDownloader.DownloadProgress;
@@ -208,10 +203,35 @@ namespace YooAsset
 				if (_threadDownloader.IsDone == false)
 					return;
 
+				bool hasError = false;
+
+				// 检查下载错误
 				if (_threadDownloader.HasError())
 				{
+					hasError = true;
 					_lastError = _threadDownloader.Error;
+				}
 
+				// 检查文件完整性
+				if (hasError == false)
+				{
+					if (CacheSystem.VerifyAndCacheBundle(_bundleInfo.Bundle, EVerifyLevel.High) == false)
+					{
+						hasError = true;
+						_lastError = $"Verify bundle content failed : {_bundleInfo.Bundle.FileName}";
+					}
+					else
+					{
+						// 验证失败后删除文件
+						string cacheFilePath = _bundleInfo.Bundle.CachedFilePath;
+						if (File.Exists(cacheFilePath))
+							File.Delete(cacheFilePath);
+					}
+				}
+
+				// 如果下载失败
+				if (hasError)
+				{
 					// 失败后重新尝试
 					if (_failedTryAgain > 0)
 					{
@@ -226,7 +246,7 @@ namespace YooAsset
 				}
 				else
 				{
-					CacheSystem.CacheVerifyFile(_bundleInfo.LoadBundle);
+					_lastError = string.Empty;
 					_steps = ESteps.Succeed;
 				}
 			}

Assets/YooAsset/Runtime/DownloadSystem/Downloader/TempDownloader.cs

@@ -6,7 +6,7 @@ namespace YooAsset
 		public TempDownloader(BundleInfo bundleInfo) : base(bundleInfo)
 		{
 			_downloadProgress = 1f;
-			_downloadedBytes = (ulong)bundleInfo.FileSize;
+			_downloadedBytes = (ulong)bundleInfo.Bundle.FileSize;
 			_steps = ESteps.Succeed;
 		}
 

Assets/YooAsset/Runtime/PatchSystem/BundleInfo.cs

@@ -12,22 +12,9 @@ namespace YooAsset
 			LoadFromEditor,
 		}
 
-		public readonly PatchBundle LoadBundle;
+		public readonly PatchBundle Bundle;
 		public readonly ELoadMode LoadMode;
 
-		private string _streamingPath;
-		private string _cachePath;
-
-		/// <summary>
-		/// 资源包名称
-		/// </summary>
-		public string BundleName { private set; get; }
-
-		/// <summary>
-		/// 文件名称
-		/// </summary>
-		public string FileName { private set; get; }
-
 		/// <summary>
 		/// 远端下载地址
 		/// </summary>
@@ -43,147 +30,35 @@ namespace YooAsset
 		/// </summary>
 		public string EditorAssetPath { private set; get; }
 
-		/// <summary>
-		/// 文件哈希值
-		/// </summary>
-		public string FileHash
-		{
-			get
-			{
-				if (LoadBundle == null)
-					return string.Empty;
-				else
-					return LoadBundle.FileHash;
-			}
-		}
-		
-		/// <summary>
-		/// 校验的CRC
-		/// </summary>
-		public string FileCRC
-		{
-			get
-			{
-				if (LoadBundle == null)
-					return string.Empty;
-				else
-					return LoadBundle.FileCRC;
-			}
-		}
-
-		/// <summary>
-		/// 文件大小
-		/// </summary>
-		public long FileSize
-		{
-			get
-			{
-				if (LoadBundle == null)
-					return 0;
-				else
-					return LoadBundle.FileSize;
-			}
-		}
-
-		/// <summary>
-		/// 是否为加密文件
-		/// </summary>
-		public bool IsEncrypted
-		{
-			get
-			{
-				if (LoadBundle == null)
-					return false;
-				else
-					return LoadBundle.IsEncrypted;
-			}
-		}
-
-		/// <summary>
-		/// 是否为原生文件
-		/// </summary>
-		public bool IsRawFile
-		{
-			get
-			{
-				if (LoadBundle == null)
-					return false;
-				else
-					return LoadBundle.IsRawFile;
-			}
-		}
-
-		/// <summary>
-		/// 身份是否无效
-		/// </summary>
-		public bool IsInvalid
-		{
-			get
-			{
-				return LoadBundle == null;
-			}
-		}
-
 
 		private BundleInfo()
 		{
 		}
 		public BundleInfo(PatchBundle patchBundle, ELoadMode loadMode, string mainURL, string fallbackURL)
 		{
-			LoadBundle = patchBundle;
+			Bundle = patchBundle;
 			LoadMode = loadMode;
-			BundleName = patchBundle.BundleName;
-			FileName = patchBundle.FileName;
 			RemoteMainURL = mainURL;
 			RemoteFallbackURL = fallbackURL;
 			EditorAssetPath = string.Empty;
 		}
 		public BundleInfo(PatchBundle patchBundle, ELoadMode loadMode, string editorAssetPath)
 		{
-			LoadBundle = patchBundle;
+			Bundle = patchBundle;
 			LoadMode = loadMode;
-			BundleName = patchBundle.BundleName;
-			FileName = patchBundle.FileName;
 			RemoteMainURL = string.Empty;
 			RemoteFallbackURL = string.Empty;
 			EditorAssetPath = editorAssetPath;
 		}
 		public BundleInfo(PatchBundle patchBundle, ELoadMode loadMode)
 		{
-			LoadBundle = patchBundle;
+			Bundle = patchBundle;
 			LoadMode = loadMode;
-			BundleName = patchBundle.BundleName;
-			FileName = patchBundle.FileName;
 			RemoteMainURL = string.Empty;
 			RemoteFallbackURL = string.Empty;
 			EditorAssetPath = string.Empty;
 		}
 
-		/// <summary>
-		/// 获取流文件夹的加载路径
-		/// </summary>
-		public string GetStreamingLoadPath()
-		{
-			if (LoadBundle == null)
-				return string.Empty;
-
-			if (string.IsNullOrEmpty(_streamingPath))
-				_streamingPath = PathHelper.MakeStreamingLoadPath(LoadBundle.FileName);
-			return _streamingPath;
-		}
-
-		/// <summary>
-		/// 获取缓存文件夹的加载路径
-		/// </summary>
-		public string GetCacheLoadPath()
-		{
-			if (LoadBundle == null)
-				return string.Empty;
-
-			if (string.IsNullOrEmpty(_cachePath))
-				_cachePath = SandboxHelper.MakeCacheFilePath(LoadBundle.FileName);
-			return _cachePath;
-		}
 
 		/// <summary>
 		/// 是否为JAR包内文件

Assets/YooAsset/Runtime/PatchSystem/Operations/DownloaderOperation.cs

@@ -86,7 +86,7 @@ namespace YooAsset
 				TotalDownloadCount = downloadList.Count;
 				foreach (var patchBundle in downloadList)
 				{
-					TotalDownloadBytes += patchBundle.FileSize;
+					TotalDownloadBytes += patchBundle.Bundle.FileSize;
 				}
 			}
 		}
@@ -138,7 +138,7 @@ namespace YooAsset
 					// 下载成功
 					_removeList.Add(downloader);
 					CurrentDownloadCount++;
-					CurrentDownloadBytes += bundleInfo.FileSize;
+					CurrentDownloadBytes += bundleInfo.Bundle.FileSize;
 				}
 
 				// 移除已经完成的下载器（无论成功或失败）
@@ -170,7 +170,7 @@ namespace YooAsset
 						var operation = DownloadSystem.BeginDownload(bundleInfo, _failedTryAgain);
 						_downloaders.Add(operation);
 						_downloadList.RemoveAt(index);
-						OnStartDownloadFileCallback?.Invoke(bundleInfo.BundleName, bundleInfo.FileSize);
+						OnStartDownloadFileCallback?.Invoke(bundleInfo.Bundle.BundleName, bundleInfo.Bundle.FileSize);
 					}
 				}
 
@@ -180,7 +180,7 @@ namespace YooAsset
 					if (_failedList.Count > 0)
 					{
 						var failedDownloader = _failedList[0];
-						string fileName = failedDownloader.GetBundleInfo().BundleName;
+						string fileName = failedDownloader.GetBundleInfo().Bundle.BundleName;
 						Error = $"Failed to download file : {fileName}";
 						_steps = ESteps.Done;
 						Status = EOperationStatus.Failed;

Assets/YooAsset/Runtime/PatchSystem/Operations/UpdatePackageOperation.cs

@@ -198,7 +198,7 @@ namespace YooAsset
 			foreach (var patchBundle in _remotePatchManifest.BundleList)
 			{
 				// 忽略缓存文件
-				if (CacheSystem.ContainsVerifyFile(patchBundle))
+				if (CacheSystem.IsCached(patchBundle))
 					continue;
 
 				// 忽略APP资源
@@ -209,16 +209,6 @@ namespace YooAsset
 						continue;
 				}
 
-				// 注意：通过比对文件大小做快速的文件校验！
-				// 注意：在初始化的时候会去做最终校验！
-				string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.FileName);
-				if (File.Exists(filePath))
-				{
-					long fileSize = FileUtility.GetFileSize(filePath);
-					if (fileSize == patchBundle.FileSize)
-						continue;
-				}
-
 				downloadList.Add(patchBundle);
 			}
 

Assets/YooAsset/Runtime/PatchSystem/PatchBundle.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using System.IO;
 
 namespace YooAsset
 {
@@ -11,11 +12,6 @@ namespace YooAsset
 		/// </summary>
 		public string BundleName;
 
-		/// <summary>
-		/// 内容哈希值
-		/// </summary>
-		public string ContentHash;
-
 		/// <summary>
 		/// 文件哈希值
 		/// </summary>
@@ -62,11 +58,43 @@ namespace YooAsset
 		/// </summary>	
 		public string FileName { private set; get; }
 
+		/// <summary>
+		/// 缓存文件路径
+		/// </summary>
+		private string _cachedFilePath;
+		public string CachedFilePath
+		{
+			get
+			{
+				if (string.IsNullOrEmpty(_cachedFilePath) == false)
+					return _cachedFilePath;
 
-		public PatchBundle(string bundleName, string contentHash, string fileHash, string fileCRC, long fileSize, string[] tags)
+				string cacheRoot = SandboxHelper.GetCacheFolderPath();			
+				_cachedFilePath = $"{cacheRoot}/{FileName}";
+				return _cachedFilePath;
+			}
+		}
+
+		/// <summary>
+		/// 内置文件路径
+		/// </summary>
+		private string _streamingFilePath;
+		public string StreamingFilePath
+		{
+			get
+			{
+				if (string.IsNullOrEmpty(_streamingFilePath) == false)
+					return _streamingFilePath;
+
+				_streamingFilePath = PathHelper.MakeStreamingLoadPath(FileName);
+				return _streamingFilePath;
+			}
+		}
+
+
+		public PatchBundle(string bundleName, string fileHash, string fileCRC, long fileSize, string[] tags)
 		{
 			BundleName = bundleName;
-			ContentHash = contentHash;
 			FileHash = fileHash;
 			FileCRC = fileCRC;
 			FileSize = fileSize;

Assets/YooAsset/Runtime/PatchSystem/PlayMode/HostPlayModeImpl.cs

@@ -131,7 +131,7 @@ namespace YooAsset
 			foreach (var patchBundle in LocalPatchManifest.BundleList)
 			{
 				// 忽略缓存文件
-				if (CacheSystem.ContainsVerifyFile(patchBundle))
+				if (CacheSystem.IsCached(patchBundle))
 					continue;
 
 				// 忽略APP资源
@@ -163,7 +163,7 @@ namespace YooAsset
 			foreach (var patchBundle in LocalPatchManifest.BundleList)
 			{
 				// 忽略缓存文件
-				if (CacheSystem.ContainsVerifyFile(patchBundle))
+				if (CacheSystem.IsCached(patchBundle))
 					continue;
 
 				// 忽略APP资源
@@ -233,7 +233,7 @@ namespace YooAsset
 			foreach (var patchBundle in checkList)
 			{
 				// 忽略缓存文件
-				if (CacheSystem.ContainsVerifyFile(patchBundle))
+				if (CacheSystem.IsCached(patchBundle))
 					continue;
 
 				// 忽略APP资源
@@ -269,7 +269,7 @@ namespace YooAsset
 					continue;
 
 				// 忽略缓存文件
-				if (CacheSystem.ContainsVerifyFile(patchBundle))
+				if (CacheSystem.IsCached(patchBundle))
 					continue;
 
 				// 查询DLC资源
@@ -279,7 +279,7 @@ namespace YooAsset
 				}
 			}
 
-			return ConvertToUnpackList(downloadList);
+			return PatchHelper.ConvertToUnpackList(downloadList);
 		}
 
 		/// <summary>
@@ -301,13 +301,13 @@ namespace YooAsset
 					continue;
 
 				// 忽略缓存文件
-				if (CacheSystem.ContainsVerifyFile(patchBundle))
+				if (CacheSystem.IsCached(patchBundle))
 					continue;
 
 				downloadList.Add(patchBundle);
 			}
 
-			return ConvertToUnpackList(downloadList);
+			return PatchHelper.ConvertToUnpackList(downloadList);
 		}
 
 		// WEB相关
@@ -339,26 +339,6 @@ namespace YooAsset
 			return bundleInfo;
 		}
 
-		// 解压相关
-		public List<BundleInfo> ConvertToUnpackList(List<PatchBundle> unpackList)
-		{
-			List<BundleInfo> result = new List<BundleInfo>(unpackList.Count);
-			foreach (var patchBundle in unpackList)
-			{
-				var bundleInfo = ConvertToUnpackInfo(patchBundle);
-				result.Add(bundleInfo);
-			}
-			return result;
-		}
-		public BundleInfo ConvertToUnpackInfo(PatchBundle patchBundle)
-		{
-			// 注意：我们把流加载路径指定为远端下载地址
-			string streamingPath = PathHelper.MakeStreamingLoadPath(patchBundle.FileName);
-			streamingPath = PathHelper.ConvertToWWWPath(streamingPath);
-			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromRemote, streamingPath, streamingPath);
-			return bundleInfo;
-		}
-
 		// 设置资源清单
 		internal void SetAppPatchManifest(PatchManifest patchManifest)
 		{
@@ -377,7 +357,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 查询沙盒资源
-			if (CacheSystem.ContainsVerifyFile(patchBundle))
+			if (CacheSystem.IsCached(patchBundle))
 			{
 				BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromCache);
 				return bundleInfo;

Assets/YooAsset/Runtime/PatchSystem/PlayMode/OfflinePlayModeImpl.cs

@@ -43,8 +43,18 @@ namespace YooAsset
 			if (patchBundle == null)
 				throw new Exception("Should never get here !");
 
-			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromStreaming);
+			// 查询沙盒资源
-			return bundleInfo;
+			if (CacheSystem.IsCached(patchBundle))
+			{
+				BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromCache);
+				return bundleInfo;
+			}
+
+			// 查询APP资源
+			{
+				BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromStreaming);
+				return bundleInfo;
+			}
 		}
 		BundleInfo IBundleServices.GetBundleInfo(AssetInfo assetInfo)
 		{

Assets/YooAsset/Runtime/Services/IDecryptionServices.cs

@@ -5,7 +5,6 @@ namespace YooAsset
 	{
 		public string BundleName;
 		public string FileHash;
-		public string FileCRC;
 	}
 
 	public interface IDecryptionServices

Assets/YooAsset/Runtime/Utility/YooHelper.cs

@@ -109,14 +109,6 @@ namespace YooAsset
 		{
 			return PathHelper.MakePersistentLoadPath(CacheFolderName);
 		}
-
-		/// <summary>
-		/// 获取缓存文件的存储路径
-		/// </summary>
-		public static string MakeCacheFilePath(string fileName)
-		{
-			return PathHelper.MakePersistentLoadPath($"{CacheFolderName}/{fileName}");
-		}
 	}
 
 	/// <summary>
@@ -140,5 +132,26 @@ namespace YooAsset
 			}
 			return result.ToArray();
 		}
+
+		/// <summary>
+		/// 资源解压相关
+		/// </summary>
+		public static List<BundleInfo> ConvertToUnpackList(List<PatchBundle> unpackList)
+		{
+			List<BundleInfo> result = new List<BundleInfo>(unpackList.Count);
+			foreach (var patchBundle in unpackList)
+			{
+				var bundleInfo = ConvertToUnpackInfo(patchBundle);
+				result.Add(bundleInfo);
+			}
+			return result;
+		}
+		public static BundleInfo ConvertToUnpackInfo(PatchBundle patchBundle)
+		{
+			// 注意：我们把流加载路径指定为远端下载地址
+			string streamingPath = PathHelper.ConvertToWWWPath(patchBundle.StreamingFilePath);
+			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromStreaming, streamingPath, streamingPath);
+			return bundleInfo;
+		}
 	}
 }

Assets/YooAsset/Runtime/Utility/YooUtility.cs

@@ -127,7 +127,7 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 创建文件
+		/// 创建文件（如果已经存在则删除旧文件）
 		/// </summary>
 		public static void CreateFile(string filePath, string content)
 		{

Assets/YooAsset/Runtime/YooAssets.cs

@@ -205,6 +205,11 @@ namespace YooAsset
 				CacheSystem.Initialize(hostPlayModeParameters.VerifyLevel);
 				DownloadSystem.Initialize(hostPlayModeParameters.BreakpointResumeFileSize);		
 			}
+			else
+			{
+				CacheSystem.Initialize(EVerifyLevel.Low);
+				DownloadSystem.Initialize(int.MaxValue);
+			}
 
 			// 初始化资源系统
 			InitializationOperation initializeOperation;
@@ -518,7 +523,7 @@ namespace YooAsset
 			}
 
 			BundleInfo bundleInfo = _bundleServices.GetBundleInfo(assetInfo);
-			if (bundleInfo.IsRawFile == false)
+			if (bundleInfo.Bundle.IsRawFile == false)
 			{
 				string error = $"Cannot load asset bundle file using {nameof(GetRawFileAsync)} interfaces !";
 				YooLogger.Warning(error);