Update PatchSystem

移除YooAssets.ClearAllCacheFiles()
新增YooAssets.ClearUnusedCacheFiles();

Assets/YooAsset/Runtime/AssetsPackage.cs

@@ -947,6 +947,14 @@ namespace YooAsset
 		{
 			return _bundleServices.MappingToAssetPath(location);
 		}
+
+		/// <summary>
+		/// 是否包含资源文件
+		/// </summary>
+		internal bool IsIncludeBundleFile(string fileName)
+		{
+			return _bundleServices.IsIncludeBundleFile(fileName);
+		}
 		#endregion
 
 		#region 调试方法

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

@@ -0,0 +1,112 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+
+namespace YooAsset
+{
+	/// <summary>
+	/// 清理未使用的缓存资源操作类
+	/// </summary>
+	public sealed class ClearUnusedCacheFilesOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			GetUnusedCacheFiles,
+			ClearUnusedCacheFiles,
+			Done,
+		}
+
+		private readonly List<AssetsPackage> _packages;
+		private ESteps _steps = ESteps.None;
+		private List<string> _unusedCacheFilePaths;
+		private int _unusedFileTotalCount = 0;
+
+		internal ClearUnusedCacheFilesOperation(List<AssetsPackage> packages)
+		{
+			_packages = packages;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.GetUnusedCacheFiles;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.GetUnusedCacheFiles)
+			{
+				_unusedCacheFilePaths = GetUnusedCacheFilePaths();
+				_unusedFileTotalCount = _unusedCacheFilePaths.Count;
+				YooLogger.Log($"Found unused cache file count : {_unusedFileTotalCount}");
+				_steps = ESteps.ClearUnusedCacheFiles;
+			}
+
+			if (_steps == ESteps.ClearUnusedCacheFiles)
+			{
+				for (int i = _unusedCacheFilePaths.Count - 1; i >= 0; i--)
+				{
+					string filePath = _unusedCacheFilePaths[i];
+					if (File.Exists(filePath))
+					{
+						try
+						{
+							File.Delete(filePath);
+							YooLogger.Log($"Delete unused cache file : {filePath}");
+						}
+						catch (System.Exception e)
+						{
+							YooLogger.Warning($"Failed delete cache file : {filePath} Exception : {e}");
+						}
+					}
+					_unusedCacheFilePaths.RemoveAt(i);
+
+					if (OperationSystem.IsBusy)
+						break;
+				}
+
+				if (_unusedFileTotalCount == 0)
+					Progress = 1.0f;
+				else
+					Progress = 1.0f - (_unusedCacheFilePaths.Count / _unusedFileTotalCount);
+
+				if (_unusedCacheFilePaths.Count == 0)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+			}
+		}
+
+		/// <summary>
+		/// 获取未被使用的缓存文件路径集合
+		/// </summary>
+		private List<string> GetUnusedCacheFilePaths()
+		{
+			string cacheFolderPath = SandboxHelper.GetCacheFolderPath();
+			if (Directory.Exists(cacheFolderPath) == false)
+				return new List<string>();
+
+			// 获取所有缓存文件
+			DirectoryInfo directoryInfo = new DirectoryInfo(cacheFolderPath);
+			FileInfo[] fileInfos = directoryInfo.GetFiles();
+			List<string> result = new List<string>(fileInfos.Length);
+			foreach (FileInfo fileInfo in fileInfos)
+			{
+				bool used = false;
+				foreach (var package in _packages)
+				{
+					if (package.IsIncludeBundleFile(fileInfo.Name))
+					{
+						used = true;
+						break;
+					}
+				}
+				if (used == false)
+					result.Add(fileInfo.FullName);
+			}
+			return result;
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/ClearUnusedCacheFilesOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5d188c50fd00bf941b2eeebb374dc0d1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/PatchManifest.cs

@@ -217,6 +217,19 @@ namespace YooAsset
 			return BundleDic.TryGetValue(bundleName, out result);
 		}
 
+		/// <summary>
+		/// 是否包含资源文件
+		/// </summary>
+		public bool IsIncludeBundleFile(string fileName)
+		{
+			foreach (var patchBundle in BundleList)
+			{
+				if (patchBundle.FileName == fileName)
+					return true;
+			}
+			return false;
+		}
+
 
 		/// <summary>
 		/// 序列化

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

@@ -30,7 +30,6 @@ namespace YooAsset
 			return _simulatePatchManifest.HumanReadableVersion;
 		}
 
-		// 设置资源清单
 		internal void SetSimulatePatchManifest(PatchManifest patchManifest)
 		{
 			_simulatePatchManifest = patchManifest;
@@ -71,6 +70,10 @@ namespace YooAsset
 		{
 			return _simulatePatchManifest.PackageName;
 		}
+		bool IBundleServices.IsIncludeBundleFile(string fileName)
+		{
+			return _simulatePatchManifest.IsIncludeBundleFile(fileName);
+		}
 		#endregion
 	}
 }

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

@@ -396,6 +396,10 @@ namespace YooAsset
 		{
 			return LocalPatchManifest.PackageName;
 		}
+		bool IBundleServices.IsIncludeBundleFile(string fileName)
+		{
+			return LocalPatchManifest.IsIncludeBundleFile(fileName);
+		}
 		#endregion
 	}
 }

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

@@ -121,6 +121,10 @@ namespace YooAsset
 		{
 			return _appPatchManifest.PackageName;
 		}
+		bool IBundleServices.IsIncludeBundleFile(string fileName)
+		{
+			return _appPatchManifest.IsIncludeBundleFile(fileName);
+		}
 		#endregion
 	}
 }

Assets/YooAsset/Runtime/Services/IBundleServices.cs

@@ -32,5 +32,10 @@ namespace YooAsset
 		/// 获取所属的包裹名
 		/// </summary>
 		string GetPackageName();
+
+		/// <summary>
+		/// 是否包含资源文件
+		/// </summary>
+		bool IsIncludeBundleFile(string fileName);
 	}
 }

Assets/YooAsset/Runtime/YooAssets.cs

@@ -177,6 +177,16 @@ namespace YooAsset
 		#endregion
 
 		#region 沙盒相关
+		/// <summary>
+		/// 清理未使用的缓存文件
+		/// </summary>
+		public static ClearUnusedCacheFilesOperation ClearUnusedCacheFiles()
+		{
+			ClearUnusedCacheFilesOperation operation = new ClearUnusedCacheFilesOperation(_packages);
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+
 		/// <summary>
 		/// 获取内置文件夹名称
 		/// </summary>
@@ -200,14 +210,6 @@ namespace YooAsset
 		{
 			SandboxHelper.DeleteSandbox();
 		}
-
-		/// <summary>
-		/// 清空所有的缓存文件
-		/// </summary>
-		public static void ClearAllCacheFiles()
-		{
-			SandboxHelper.DeleteCacheFolder();
-		}
 		#endregion
 
 		#region 调试信息