update yooasset2.0

Assets/YooAsset/Runtime/CacheSystem/Operation/PackageCachingOperation.cs

@@ -0,0 +1,74 @@
+using System;
+using System.IO;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace YooAsset
+{
+	internal class PackageCachingOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			FindCacheFiles,
+			VerifyCacheFiles,
+			Done,
+		}
+
+		private readonly PersistentManager _persistent;
+		private readonly CacheManager _cache;
+		private FindCacheFilesOperation _findCacheFilesOp;
+		private VerifyCacheFilesOperation _verifyCacheFilesOp;
+		private ESteps _steps = ESteps.None;
+
+		public PackageCachingOperation(PersistentManager persistent, CacheManager cache)
+		{
+			_persistent = persistent;
+			_cache = cache;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.FindCacheFiles;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.FindCacheFiles)
+			{
+				if (_findCacheFilesOp == null)
+				{
+					_findCacheFilesOp = new FindCacheFilesOperation(_persistent, _cache);
+					OperationSystem.StartOperation(_cache.PackageName, _findCacheFilesOp);
+				}
+
+				Progress = _findCacheFilesOp.Progress;
+				if (_findCacheFilesOp.IsDone == false)
+					return;
+
+				_steps = ESteps.VerifyCacheFiles;
+			}
+
+			if (_steps == ESteps.VerifyCacheFiles)
+			{
+				if (_verifyCacheFilesOp == null)
+				{
+					_verifyCacheFilesOp = VerifyCacheFilesOperation.CreateOperation(_cache, _findCacheFilesOp.VerifyElements);
+					OperationSystem.StartOperation(_cache.PackageName, _verifyCacheFilesOp);
+				}
+
+				Progress = _verifyCacheFilesOp.Progress;
+				if (_verifyCacheFilesOp.IsDone == false)
+					return;
+
+				// 注意：总是返回成功
+				_steps = ESteps.Done;
+				Status = EOperationStatus.Succeed;
+
+				int totalCount = _cache.GetAllCachedFilesCount();
+				YooLogger.Log($"Package '{_cache.PackageName}' cached files count : {totalCount}");
+			}
+		}
+	}
+}