fix #73

修复了同步加载原生文件，程序卡死的问题。

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

@@ -286,6 +286,7 @@ namespace YooAsset
 				// 文件解压
 				if (_unpacker != null)
 				{
+					_unpacker.WaitForAsyncComplete = true;
 					_unpacker.Update();
 					if (_unpacker.IsDone() == false)
 						continue;

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

@@ -149,6 +149,7 @@ namespace YooAsset
 				// 文件解压
 				if (_unpacker != null)
 				{
+					_unpacker.WaitForAsyncComplete = true;
 					_unpacker.Update();
 					if (_unpacker.IsDone() == false)
 						continue;

Assets/YooAsset/Runtime/CacheSystem/Operations/Internal/VerifyTempFileOperation.cs

@@ -57,6 +57,25 @@ namespace YooAsset
 					_steps = ESteps.Waiting;
 				}
 			}
+
+			if (_steps == ESteps.Waiting)
+			{
+				if (_element.IsDone == false)
+					return;
+
+				VerifyResult = _element.Result;
+				if (_element.Result == EVerifyResult.Succeed)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Failed verify file : {_element.TempDataFilePath} ! ErrorCode : {_element.Result}";
+				}
+			}
 		}
 
 		private bool BeginVerifyFileWithThread(VerifyTempElement element)
@@ -67,23 +86,7 @@ namespace YooAsset
 		{
 			VerifyTempElement element = (VerifyTempElement)obj;
 			element.Result = CacheSystem.VerifyingTempFile(element);
-			DownloadSystem.SyncContext.Post(VerifyCallback, element);
-		}
-		private void VerifyCallback(object obj)
-		{
-			VerifyTempElement element = (VerifyTempElement)obj;
-			VerifyResult = element.Result;
-			if (element.Result == EVerifyResult.Succeed)
-			{
-				_steps = ESteps.Done;
-				Status = EOperationStatus.Succeed;
-			}
-			else
-			{
-				_steps = ESteps.Done;
-				Status = EOperationStatus.Failed;
-				Error = $"Failed verify file : {element.TempDataFilePath} ! ErrorCode : {element.Result}";
-			}
+			element.IsDone = true;
 		}
 	}
 
@@ -101,7 +104,7 @@ namespace YooAsset
 
 		private readonly VerifyTempElement _element;
 		private ESteps _steps = ESteps.None;
-		
+
 		public VerifyTempFileWithoutThreadOperation(VerifyTempElement element)
 		{
 			_element = element;
@@ -118,6 +121,8 @@ namespace YooAsset
 			if (_steps == ESteps.VerifyFile)
 			{
 				_element.Result = CacheSystem.VerifyingTempFile(_element);
+				_element.IsDone = true;
+
 				VerifyResult = _element.Result;
 				if (_element.Result == EVerifyResult.Succeed)
 				{

Assets/YooAsset/Runtime/CacheSystem/VerifyElement.cs

@@ -49,6 +49,7 @@ namespace YooAsset
 		public string FileCRC { private set; get; }
 		public long FileSize { private set; get; }
 
+		public bool IsDone = false;
 		public EVerifyResult Result;
 
 		public VerifyTempElement(string tempDataFilePath, string fileCRC, long fileSize)

Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs

@@ -22,11 +22,6 @@ namespace YooAsset
 		private static readonly Dictionary<string, DownloaderBase> _downloaderDic = new Dictionary<string, DownloaderBase>();
 		private static readonly List<string> _removeList = new List<string>(100);
 
-		/// <summary>
-		/// 线程同步
-		/// </summary>
-		public static ThreadSyncContext SyncContext { set; get; }
-
 		/// <summary>
 		/// 自定义下载器的请求委托
 		/// </summary>
@@ -53,7 +48,6 @@ namespace YooAsset
 		/// </summary>
 		public static void Initialize()
 		{
-			SyncContext = new ThreadSyncContext();
 		}
 
 		/// <summary>
@@ -61,9 +55,6 @@ namespace YooAsset
 		/// </summary>
 		public static void Update()
 		{
-			if (SyncContext != null)
-				SyncContext.Update();
-
 			// 更新下载器
 			_removeList.Clear();
 			foreach (var valuePair in _downloaderDic)
@@ -94,7 +85,6 @@ namespace YooAsset
 			_downloaderDic.Clear();
 			_removeList.Clear();
 
-			SyncContext = null;
 			RequestDelegate = null;
 			CertificateHandlerInstance = null;
 			BreakpointResumeFileSize = int.MaxValue;

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

@@ -34,6 +34,11 @@ namespace YooAsset
 		protected float _downloadProgress = 0f;
 		protected ulong _downloadedBytes = 0;
 
+		/// <summary>
+		/// 是否等待异步结束
+		/// 警告：只能用于解压APP内部资源
+		/// </summary>
+		public bool WaitForAsyncComplete = false;
 
 		/// <summary>
 		/// 下载进度（0f~1f）

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

@@ -48,6 +48,9 @@ namespace YooAsset
 			// 等待检测结果
 			if (_steps == ESteps.WaitingCheckTempFile)
 			{
+				if (WaitForAsyncComplete)
+					_checkFileOp.Update();
+
 				if (_checkFileOp.IsDone == false)
 					return;
 
@@ -220,6 +223,9 @@ namespace YooAsset
 			// 等待验证完成
 			if (_steps == ESteps.WaitingVerifyTempFile)
 			{
+				if (WaitForAsyncComplete)
+					_verifyFileOp.Update();
+
 				if (_verifyFileOp.IsDone == false)
 					return;