Add progress of async operation

异步操作类增加进度查询。

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

@@ -145,6 +145,7 @@ namespace YooAsset
 				{
 					_lastDownloadBytes = downloadBytes;
 					_lastDownloadCount = CurrentDownloadCount;
+					Progress = (float)_lastDownloadBytes / TotalDownloadBytes;
 					OnDownloadProgressCallback?.Invoke(TotalDownloadCount, _lastDownloadCount, TotalDownloadBytes, _lastDownloadBytes);
 				}
 

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

@@ -108,6 +108,7 @@ namespace YooAsset
 			if (_steps == ESteps.Update)
 			{
 				_appManifestLoader.Update();
+				Progress = _appManifestLoader.Progress();
 				if (_appManifestLoader.IsDone() == false)
 					return;
 
@@ -181,6 +182,7 @@ namespace YooAsset
 			if (_steps == ESteps.Update)
 			{
 				_appManifestLoader.Update();
+				Progress = _appManifestLoader.Progress();
 				if (_appManifestLoader.IsDone() == false)
 					return;
 
@@ -243,6 +245,16 @@ namespace YooAsset
 				return false;
 		}
 
+		/// <summary>
+		/// 加载进度
+		/// </summary>
+		public float Progress()
+		{
+			if (_downloader2 == null)
+				return 0;
+			return _downloader2.Progress();
+		}
+
 		public void Update()
 		{
 			if (IsDone())

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

@@ -172,6 +172,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.UpdateVerifyingCache)
 			{
+				Progress = GetVerifyProgress();
 				if (UpdateVerifyingCache())
 				{
 					_steps = ESteps.Done;
@@ -258,6 +259,7 @@ namespace YooAsset
 		private readonly List<PatchBundle> _verifyingList = new List<PatchBundle>(100);
 		private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
 		private int _verifyMaxNum = 32;
+		private int _verifyTotalCount = 0;
 		private int _verifySuccessCount = 0;
 		private int _verifyFailCount = 0;
 
@@ -290,6 +292,7 @@ namespace YooAsset
 			ThreadPool.GetMaxThreads(out int workerThreads, out int ioThreads);
 			YooLogger.Log($"Work threads : {workerThreads}, IO threads : {ioThreads}");
 			_verifyMaxNum = Math.Min(workerThreads, ioThreads);
+			_verifyTotalCount = _waitingList.Count;
 		}
 		private bool UpdateVerifyingCache()
 		{
@@ -358,6 +361,12 @@ namespace YooAsset
 			}
 			_verifyingList.Remove(info.Bundle);
 		}
+		private float GetVerifyProgress()
+		{
+			if (_verifyTotalCount == 0)
+				return 1f;
+			return (float)(_verifySuccessCount + _verifyFailCount) / _verifyTotalCount;
+		}
 		#endregion
 	}
 }

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

@@ -111,6 +111,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.CheckWebManifest)
 			{
+				Progress = _downloaderManifest.Progress();
 				if (_downloaderManifest.IsDone() == false)
 					return;
 

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

@@ -87,6 +87,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.CheckStaticVersion)
 			{
+				Progress = _downloader.Progress();
 				if (_downloader.IsDone() == false)
 					return;
 
@@ -105,7 +106,7 @@ namespace YooAsset
 						Status = EOperationStatus.Succeed;
 					}
 					else
-					{						
+					{
 						_steps = ESteps.Done;
 						Status = EOperationStatus.Failed;
 						Error = $"URL : {_downloader.URL} Error : static version content is invalid.";