update asset system

Assets/YooAsset/Runtime/AssetSystem/AssetSystem.cs

@@ -387,7 +387,7 @@ namespace YooAsset
 			// 新增下载需求
 #if UNITY_WEBGL
 			if (bundleInfo.Bundle.IsRawFile)
-				loader = new RawBundleFileLoader(this, bundleInfo);
+				loader = new RawBundleWebLoader(this, bundleInfo);
 			else
 				loader = new AssetBundleWebLoader(this, bundleInfo);
 #else

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

@@ -300,7 +300,7 @@ namespace YooAsset
 					if (_isShowWaitForAsyncError == false)
 					{
 						_isShowWaitForAsyncError = true;
-						YooLogger.Error($"WaitForAsyncComplete failed ! Try load bundle : {MainBundleInfo.Bundle.BundleName} from remote with sync load method !");
+						YooLogger.Error($"{nameof(WaitForAsyncComplete)} failed ! Try load bundle : {MainBundleInfo.Bundle.BundleName} from remote with sync load method !");
 					}
 					break;
 				}

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

@@ -7,6 +7,9 @@ using UnityEngine.Networking;
 
 namespace YooAsset
 {
+	/// <summary>
+	/// WebGL平台加载器
+	/// </summary>
 	internal sealed class AssetBundleWebLoader : BundleLoaderBase
 	{
 		private enum ESteps
@@ -24,7 +27,6 @@ namespace YooAsset
 
 		private ESteps _steps = ESteps.None;
 		private float _tryTimer = 0;
-		private bool _isShowWaitForAsyncError = false;
 		private DownloaderBase _downloader;
 		private UnityWebRequest _webRequest;
 		private AssetBundleCreateRequest _createRequest;
@@ -225,10 +227,11 @@ namespace YooAsset
 		/// </summary>
 		public override void WaitForAsyncComplete()
 		{
-			if (_isShowWaitForAsyncError == false)
+			if (IsDone() == false)
 			{
-				_isShowWaitForAsyncError = true;
-				YooLogger.Error($"WebGL platform not support {nameof(WaitForAsyncComplete)} ! Use the async load method instead of the sync load method !");
+				Status = EStatus.Failed;
+				LastError = $"{nameof(WaitForAsyncComplete)} failed ! WebGL platform not support sync load method !";
+				YooLogger.Error(LastError);
 			}
 		}
 	}

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

@@ -16,7 +16,6 @@ namespace YooAsset
 		}
 
 		private ESteps _steps = ESteps.None;
-		private bool _isShowWaitForAsyncError = false;
 		private DownloaderBase _unpacker;
 		private DownloaderBase _downloader;
 
@@ -42,7 +41,7 @@ namespace YooAsset
 				}
 				else if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
 				{
-#if UNITY_ANDROID || UNITY_WEBGL
+#if UNITY_ANDROID
 					_steps = ESteps.Unpack;
 					FileLoadPath = MainBundleInfo.Bundle.CachedDataFilePath;
 #else
@@ -156,14 +155,15 @@ namespace YooAsset
 				}
 
 				// 保险机制
-				// 注意：如果需要从WEB端下载资源，可能会触发保险机制！
+				// 注意：如果需要从远端下载资源，可能会触发保险机制！
 				frame--;
 				if (frame == 0)
 				{
-					if (_isShowWaitForAsyncError == false)
+					if (IsDone() == false)
 					{
-						_isShowWaitForAsyncError = true;
-						YooLogger.Error($"WaitForAsyncComplete failed ! Try load bundle : {MainBundleInfo.Bundle.BundleName} from remote with sync load method !");
+						Status = EStatus.Failed;
+						LastError = $"WaitForAsyncComplete failed ! Try load bundle : {MainBundleInfo.Bundle.BundleName} from remote with sync load method !";
+						YooLogger.Error(LastError);
 					}
 					break;
 				}

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

@@ -0,0 +1,151 @@
+using System.IO;
+
+namespace YooAsset
+{
+	/// <summary>
+	/// WebGL平台加载器
+	/// </summary>
+	internal class RawBundleWebLoader : BundleLoaderBase
+	{
+		private enum ESteps
+		{
+			None,
+			Download,
+			CheckDownload,
+			Website,
+			CheckWebsite,
+			CheckFile,
+			Done,
+		}
+
+		private ESteps _steps = ESteps.None;
+		private DownloaderBase _website;
+		private DownloaderBase _downloader;
+
+
+		public RawBundleWebLoader(AssetSystemImpl impl, BundleInfo bundleInfo) : base(impl, bundleInfo)
+		{
+		}
+
+		/// <summary>
+		/// 轮询更新
+		/// </summary>
+		public override void Update()
+		{
+			if (_steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.None)
+			{
+				if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromRemote)
+				{
+					_steps = ESteps.Download;
+					FileLoadPath = MainBundleInfo.Bundle.CachedDataFilePath;
+				}
+				else if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
+				{
+					_steps = ESteps.Website;
+					FileLoadPath = MainBundleInfo.Bundle.CachedDataFilePath;
+				}
+				else if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
+				{
+					_steps = ESteps.CheckFile;
+					FileLoadPath = MainBundleInfo.Bundle.CachedDataFilePath;
+				}
+				else
+				{
+					throw new System.NotImplementedException(MainBundleInfo.LoadMode.ToString());
+				}
+			}
+
+			// 1. 下载远端文件
+			if (_steps == ESteps.Download)
+			{
+				int failedTryAgain = int.MaxValue;
+				_downloader = DownloadSystem.BeginDownload(MainBundleInfo, failedTryAgain);
+				_steps = ESteps.CheckDownload;
+			}
+
+			// 2. 检测下载结果
+			if (_steps == ESteps.CheckDownload)
+			{
+				DownloadProgress = _downloader.DownloadProgress;
+				DownloadedBytes = _downloader.DownloadedBytes;
+				if (_downloader.IsDone() == false)
+					return;
+
+				if (_downloader.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EStatus.Failed;
+					LastError = _downloader.GetLastError();
+				}
+				else
+				{
+					_steps = ESteps.CheckFile;
+				}
+			}
+
+			// 3. 从站点下载
+			if (_steps == ESteps.Website)
+			{
+				int failedTryAgain = 1;
+				var bundleInfo = PatchManifestTools.GetUnpackInfo(MainBundleInfo.Bundle);
+				_website = DownloadSystem.BeginDownload(bundleInfo, failedTryAgain);
+				_steps = ESteps.CheckWebsite;
+			}
+
+			// 4. 检测站点下载
+			if (_steps == ESteps.CheckWebsite)
+			{
+				DownloadProgress = _website.DownloadProgress;
+				DownloadedBytes = _website.DownloadedBytes;
+				if (_website.IsDone() == false)
+					return;
+
+				if (_website.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EStatus.Failed;
+					LastError = _website.GetLastError();
+				}
+				else
+				{
+					_steps = ESteps.CheckFile;
+				}
+			}
+
+			// 5. 检测结果
+			if (_steps == ESteps.CheckFile)
+			{
+				// 设置下载进度
+				DownloadProgress = 1f;
+				DownloadedBytes = (ulong)MainBundleInfo.Bundle.FileSize;
+
+				_steps = ESteps.Done;
+				if (File.Exists(FileLoadPath))
+				{
+					Status = EStatus.Succeed;
+				}
+				else
+				{
+					Status = EStatus.Failed;
+					LastError = $"Raw file not found : {FileLoadPath}";
+				}
+			}
+		}
+
+		/// <summary>
+		/// 主线程等待异步操作完毕
+		/// </summary>
+		public override void WaitForAsyncComplete()
+		{
+			if (IsDone() == false)
+			{
+				Status = EStatus.Failed;
+				LastError = $"{nameof(WaitForAsyncComplete)} failed ! WebGL platform not support sync load method !";
+				YooLogger.Error(LastError);
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/AssetSystem/Loader/RawBundleWebLoader.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1d16b689f73611e44bd01a4cc429a6ac
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: