Update CHANGELOG.md

1. 新增WebGL专属模式WebPlayMode

Assets/YooAsset/CHANGELOG.md

@@ -2,6 +2,150 @@
 
 All notable changes to this package will be documented in this file.
 
+## [1.5.2-preview] - 2023-07-18
+
+重新设计了对WebGL平台的支持，新增加了专属模式：WebPlayMode
+
+## [1.5.1] - 2023-07-12
+
+### Fixed
+
+- 修复了太空战机DEMO在生成内置文件清单的时候，目录不存在引发的异常。
+- 修复了在销毁Package时，如果存在正在加载的bundle，会导致后续加载该bundle报错的问题。
+
+### Changed
+
+- 真机上使用错误方法加载原生文件的时候给予正确的错误提示。
+
+### Added
+
+- 新增了HostPlayModeParameters.RemoteServices字段
+
+  ```c#
+  /// <summary>
+  /// 远端资源地址查询服务类
+  /// </summary>
+  public IRemoteServices RemoteServices = null;
+  ```
+
+### Removed
+
+- 移除了HostPlayModeParameters.DefaultHostServer字段
+- 移除了HostPlayModeParameters.FallbackHostServer字段
+
+## [1.5.0] - 2023-07-05
+
+该版本重构了Persistent类，导致沙盒目录和内置目录的存储结构发生了变化。
+
+该版本支持按照Package自定义沙盒存储目录和内置存储目录。
+
+**注意：低版本升级用户，请使用Space Shooter目录下的StreamingAssetsHelper插件覆盖到本地工程！**
+
+### Changed
+
+- BuildParameters.OutputRoot重命名为BuildOutputRoot
+- 变更了IQueryServices.QueryStreamingAssets(string packageName, string fileName)方法
+
+### Added
+
+- 新增了YooAssets.SetCacheSystemDisableCacheOnWebGL()方法
+
+  ```c#
+  /// <summary>
+  /// 设置缓存系统参数，禁用缓存在WebGL平台
+  /// </summary>
+  public static void SetCacheSystemDisableCacheOnWebGL()
+  ```
+
+- 新增了YooAssets.SetDownloadSystemRedirectLimit()方法
+
+  ```c#
+  /// <summary>
+  /// 设置下载系统参数，网络重定向次数（Unity引擎默认值32）
+  /// 注意：不支持设置为负值
+  /// </summary>
+  public static void SetDownloadSystemRedirectLimit(int redirectLimit)
+  ```
+
+- 新增了构建流程可扩展的方法。
+
+  ```c#
+  public class AssetBundleBuilder
+  {
+      /// <summary>
+      /// 构建资源包
+      /// </summary>
+      public BuildResult Run(BuildParameters buildParameters, List<IBuildTask> buildPipeline)
+  }
+  ```
+
+- 新增了BuildParameters.StreamingAssetsRoot字段
+
+  ```c#
+  public class BuildParameters
+  {
+      /// <summary>
+      /// 内置资源的根目录
+      /// </summary>
+      public string StreamingAssetsRoot;
+  }
+  ```
+
+- 新增了InitializeParameters.BuildinRootDirectory字段
+
+  ```c#
+  /// <summary>
+  /// 内置文件的根路径
+  /// 注意：当参数为空的时候会使用默认的根目录。
+  /// </summary>
+  public string BuildinRootDirectory = string.Empty;
+  ```
+
+- 新增了InitializeParameters.SandboxRootDirectory字段
+
+  ```c#
+  /// <summary>
+  /// 沙盒文件的根路径
+  /// 注意：当参数为空的时候会使用默认的根目录。
+  /// </summary>
+  public string SandboxRootDirectory = string.Empty;
+  ```
+
+- 新增了ResourcePackage.GetPackageBuildinRootDirectory()方法
+
+  ```c#
+  /// <summary>
+  /// 获取包裹的内置文件根路径
+  /// </summary>
+  public string GetPackageBuildinRootDirectory()
+  ```
+
+- 新增了ResourcePackage.GetPackageSandboxRootDirectory()方法
+
+  ```c#
+  /// <summary>
+  /// 获取包裹的沙盒文件根路径
+  /// </summary>
+  public string GetPackageSandboxRootDirectory()
+  ```
+
+- 新增了ResourcePackage.ClearPackageSandbox()方法
+
+  ```c#
+  /// <summary>
+  /// 清空包裹的沙盒目录
+  /// </summary>
+  public void ClearPackageSandbox()
+  ```
+
+### Removed
+
+- 移除了资源包构建流程任务节点可扩展功能。
+- 移除了YooAssets.SetCacheSystemSandboxPath()方法
+- 移除了YooAssets.GetStreamingAssetBuildinFolderName()方法
+- 移除了YooAssets.GetSandboxRoot()方法
+- 移除了YooAssets.ClearSandbox()方法
+
 ## [1.4.17] - 2023-06-27
 
 ### Changed
@@ -25,8 +169,6 @@ All notable changes to this package will be documented in this file.
 
 - IShareAssetPackRule 重命名为 ISharedPackRule
 
-- 
-
 ### Added
 
 - 新增了ResourcePackage.LoadAllAssetsAsync方法

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilder.cs

@@ -13,29 +13,20 @@ namespace YooAsset.Editor
 		private readonly BuildContext _buildContext = new BuildContext();
 
 		/// <summary>
-		/// 开始构建
+		/// 构建资源包
 		/// </summary>
-		public BuildResult Run(BuildParameters buildParameters)
+		public BuildResult Run(BuildParameters buildParameters, List<IBuildTask> buildPipeline)
 		{
-			// 清空旧数据
-			_buildContext.ClearAllContext();
-
 			// 检测构建参数是否为空
 			if (buildParameters == null)
 				throw new Exception($"{nameof(buildParameters)} is null !");
 
-			// 检测可编程构建管线参数
-			if (buildParameters.BuildPipeline == EBuildPipeline.ScriptableBuildPipeline)
-			{
-				if (buildParameters.SBPParameters == null)
-					throw new Exception($"{nameof(BuildParameters.SBPParameters)} is null !");
+			// 检测构建参数是否为空
+			if (buildPipeline.Count == 0)
+				throw new Exception($"Build pipeline is empty !");	
 
-				if (buildParameters.BuildMode == EBuildMode.DryRunBuild)
-					throw new Exception($"{nameof(EBuildPipeline.ScriptableBuildPipeline)} not support {nameof(EBuildMode.DryRunBuild)} build mode !");
-
-				if (buildParameters.BuildMode == EBuildMode.ForceRebuild)
-					throw new Exception($"{nameof(EBuildPipeline.ScriptableBuildPipeline)} not support {nameof(EBuildMode.ForceRebuild)} build mode !");
-			}
+			// 清空旧数据
+			_buildContext.ClearAllContext();
 
 			// 构建参数
 			var buildParametersContext = new BuildParametersContext(buildParameters);
@@ -45,8 +36,7 @@ namespace YooAsset.Editor
 			BuildLogger.InitLogger(buildParameters.EnableLog);
 
 			// 执行构建流程
-			var pipeline = GetBuildTasks(buildParameters.BuildPipeline);
-			var buildResult = BuildRunner.Run(pipeline, _buildContext);
+			var buildResult = BuildRunner.Run(buildPipeline, _buildContext);
 			if (buildResult.Success)
 			{
 				buildResult.OutputPackageDirectory = buildParametersContext.GetPackageOutputDirectory();
@@ -62,13 +52,23 @@ namespace YooAsset.Editor
 			return buildResult;
 		}
 
-		private List<IBuildTask> GetBuildTasks(EBuildPipeline buildPipeline)
+		/// <summary>
+		/// 构建资源包
+		/// </summary>
+		public BuildResult Run(BuildParameters buildParameters)
+		{
+			var buildPipeline = GetDefaultBuildPipeline(buildParameters.BuildPipeline);
+			return Run(buildParameters, buildPipeline);
+		}
+
+		/// <summary>
+		/// 获取默认的构建流程
+		/// </summary>
+		private List<IBuildTask> GetDefaultBuildPipeline(EBuildPipeline buildPipeline)
 		{
 			// 获取任务节点的属性集合
-			List<TaskAttribute> attrList = new List<TaskAttribute>();
 			if (buildPipeline == EBuildPipeline.BuiltinBuildPipeline)
 			{
-				/*
 				List<IBuildTask> pipeline = new List<IBuildTask>
 				{
 					new TaskPrepare(), //前期准备工作
@@ -83,23 +83,10 @@ namespace YooAsset.Editor
 					new TaskCreatePackage(), //制作包裹
 					new TaskCopyBuildinFiles(), //拷贝内置文件
 				};
-				*/
-
-				var classTypes = EditorTools.GetAssignableTypes(typeof(IBuildTask));
-				foreach (var classType in classTypes)
-				{
-					var attribute = classType.GetCustomAttribute<TaskAttribute>();
-					if (attribute == null)
-						throw new Exception($"Not found {nameof(TaskAttribute)} int type : {classType.FullName}");
-
-					attribute.ClassType = classType;
-					if (attribute.Pipeline == ETaskPipeline.AllPipeline || attribute.Pipeline == ETaskPipeline.BuiltinBuildPipeline)
-						attrList.Add(attribute);
-				}
+				return pipeline;
 			}
 			else if (buildPipeline == EBuildPipeline.ScriptableBuildPipeline)
 			{
-				/*
 				List<IBuildTask> pipeline = new List<IBuildTask>
 				{
 					new TaskPrepare(), //前期准备工作
@@ -114,42 +101,12 @@ namespace YooAsset.Editor
 					new TaskCreatePackage(), //制作补丁包
 					new TaskCopyBuildinFiles(), //拷贝内置文件
 				};
-				*/
-
-				var classTypes = EditorTools.GetAssignableTypes(typeof(IBuildTask));
-				foreach (var classType in classTypes)
-				{
-					var attribute = classType.GetCustomAttribute<TaskAttribute>();
-					if (attribute == null)
-						throw new Exception($"Not found {nameof(TaskAttribute)} int type : {classType.FullName}");
-
-					attribute.ClassType = classType;
-					if (attribute.Pipeline == ETaskPipeline.AllPipeline || attribute.Pipeline == ETaskPipeline.ScriptableBuildPipeline)
-						attrList.Add(attribute);
-				}
+				return pipeline;
 			}
 			else
 			{
 				throw new NotImplementedException();
 			}
-
-			// 对任务节点进行排序
-			attrList.Sort((a, b) =>
-			{
-				if (a.TaskOrder > b.TaskOrder) { return 1; }
-				else if (a.TaskOrder < b.TaskOrder) { return -1; }
-				else { return 0; }
-			});
-
-			// 创建任务节点实例
-			List<IBuildTask> pipeline = new List<IBuildTask>(attrList.Count);
-			foreach (var taskAttr in attrList)
-			{
-				var task = Activator.CreateInstance(taskAttr.ClassType) as IBuildTask;
-				pipeline.Add(task);
-			}
-
-			return pipeline;
 		}
 	}
 }

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderHelper.cs

@@ -11,7 +11,7 @@ namespace YooAsset.Editor
 		/// <summary>
 		/// 获取默认的输出根路录
 		/// </summary>
-		public static string GetDefaultOutputRoot()
+		public static string GetDefaultBuildOutputRoot()
 		{
 			string projectPath = EditorTools.GetProjectPath();
 			return $"{projectPath}/Bundles";
@@ -20,43 +20,9 @@ namespace YooAsset.Editor
 		/// <summary>
 		/// 获取流文件夹路径
 		/// </summary>
-		public static string GetStreamingAssetsFolderPath()
+		public static string GetDefaultStreamingAssetsRoot()
 		{
-			return $"{Application.dataPath}/StreamingAssets/{YooAssetSettings.StreamingAssetsBuildinFolder}/";
-		}
-
-		/// <summary>
-		/// 清空流文件夹
-		/// </summary>
-		public static void ClearStreamingAssetsFolder()
-		{
-			string streamingFolderPath = GetStreamingAssetsFolderPath();
-			EditorTools.ClearFolder(streamingFolderPath);
-		}
-
-		/// <summary>
-		/// 删除流文件夹内无关的文件
-		/// 删除.manifest文件和.meta文件
-		/// </summary>
-		public static void DeleteStreamingAssetsIgnoreFiles()
-		{
-			string streamingFolderPath = GetStreamingAssetsFolderPath();
-			if (Directory.Exists(streamingFolderPath))
-			{
-				string[] files = Directory.GetFiles(streamingFolderPath, "*.manifest", SearchOption.AllDirectories);
-				foreach (var file in files)
-				{
-					FileInfo info = new FileInfo(file);
-					info.Delete();
-				}
-
-				files = Directory.GetFiles(streamingFolderPath, "*.meta", SearchOption.AllDirectories);
-				foreach (var item in files)
-				{
-					FileInfo info = new FileInfo(item);
-					info.Delete();
-				}
-			}
+			return $"{Application.dataPath}/StreamingAssets/{YooAssetSettings.DefaultYooFolderName}/";
 		}
 	}
 }

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderWindow.cs

@@ -63,7 +63,7 @@ namespace YooAsset.Editor
 				_encryptionServicesClassNames = _encryptionServicesClassTypes.Select(t => t.Name).ToList();
 
 				// 输出目录
-				string defaultOutputRoot = AssetBundleBuilderHelper.GetDefaultOutputRoot();
+				string defaultOutputRoot = AssetBundleBuilderHelper.GetDefaultBuildOutputRoot();
 				_buildOutputField = root.Q<TextField>("BuildOutput");
 				_buildOutputField.SetValueWithoutNotify(defaultOutputRoot);
 				_buildOutputField.SetEnabled(false);
@@ -266,9 +266,9 @@ namespace YooAsset.Editor
 		/// </summary>
 		private void ExecuteBuild()
 		{
-			string defaultOutputRoot = AssetBundleBuilderHelper.GetDefaultOutputRoot();
 			BuildParameters buildParameters = new BuildParameters();
-			buildParameters.OutputRoot = defaultOutputRoot;
+			buildParameters.StreamingAssetsRoot = AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot();
+			buildParameters.BuildOutputRoot = AssetBundleBuilderHelper.GetDefaultBuildOutputRoot();
 			buildParameters.BuildTarget = _buildTarget;
 			buildParameters.BuildPipeline = AssetBundleBuilderSettingData.Setting.BuildPipeline;
 			buildParameters.BuildMode = AssetBundleBuilderSettingData.Setting.BuildMode;

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleSimulateBuilder.cs

@@ -11,9 +11,9 @@ namespace YooAsset.Editor
 		public static string SimulateBuild(string packageName)
 		{
 			Debug.Log($"Begin to create simulate package : {packageName}");
-			string defaultOutputRoot = AssetBundleBuilderHelper.GetDefaultOutputRoot();
 			BuildParameters buildParameters = new BuildParameters();
-			buildParameters.OutputRoot = defaultOutputRoot;
+			buildParameters.StreamingAssetsRoot = AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot();
+			buildParameters.BuildOutputRoot = AssetBundleBuilderHelper.GetDefaultBuildOutputRoot();
 			buildParameters.BuildTarget = EditorUserBuildSettings.activeBuildTarget;
 			buildParameters.BuildMode = EBuildMode.SimulateBuild;
 			buildParameters.PackageName = packageName;

Assets/YooAsset/Editor/AssetBundleBuilder/BuildBundleInfo.cs

@@ -8,39 +8,54 @@ namespace YooAsset.Editor
 {
 	public class BuildBundleInfo
 	{
-		public class InfoWrapper
-		{
-			/// <summary>
-			/// 构建内容的哈希值
-			/// </summary>
-			public string ContentHash { set; get; }
+		#region 补丁文件的关键信息
+		/// <summary>
+		/// Unity引擎生成的哈希值（构建内容的哈希值）
+		/// </summary>
+		public string PackageUnityHash { set; get; }
 
-			/// <summary>
-			/// 文件哈希值
-			/// </summary>
-			public string FileHash { set; get; }
+		/// <summary>
+		/// Unity引擎生成的CRC
+		/// </summary>
+		public uint PackageUnityCRC { set; get; }
 
-			/// <summary>
-			/// 文件哈希值
-			/// </summary>
-			public string FileCRC { set; get; }
+		/// <summary>
+		/// 文件哈希值
+		/// </summary>
+		public string PackageFileHash { set; get; }
 
-			/// <summary>
-			/// 文件哈希值
-			/// </summary>
-			public long FileSize { set; get; }
+		/// <summary>
+		/// 文件哈希值
+		/// </summary>
+		public string PackageFileCRC { set; get; }
 
+		/// <summary>
+		/// 文件哈希值
+		/// </summary>
+		public long PackageFileSize { set; get; }
 
-			/// <summary>
-			/// 构建输出的文件路径
-			/// </summary>
-			public string BuildOutputFilePath { set; get; }
+		/// <summary>
+		/// 构建输出的文件路径
+		/// </summary>
+		public string BuildOutputFilePath { set; get; }
+
+		/// <summary>
+		/// 补丁包的源文件路径
+		/// </summary>
+		public string PackageSourceFilePath { set; get; }
+
+		/// <summary>
+		/// 补丁包的目标文件路径
+		/// </summary>
+		public string PackageDestFilePath { set; get; }
+
+		/// <summary>
+		/// 加密生成文件的路径
+		/// 注意：如果未加密该路径为空
+		/// </summary>
+		public string EncryptedFilePath { set; get; }
+		#endregion
 
-			/// <summary>
-			/// 补丁包输出文件路径
-			/// </summary>
-			public string PackageOutputFilePath { set; get; }
-		}
 
 		/// <summary>
 		/// 资源包名称
@@ -53,22 +68,11 @@ namespace YooAsset.Editor
 		/// </summary>
 		public readonly List<BuildAssetInfo> AllMainAssets = new List<BuildAssetInfo>();
 
-		/// <summary>
-		/// 补丁文件信息
-		/// </summary>
-		public readonly InfoWrapper BundleInfo = new InfoWrapper();
-
 		/// <summary>
 		/// Bundle文件的加载方法
 		/// </summary>
 		public EBundleLoadMethod LoadMethod { set; get; }
 
-		/// <summary>
-		/// 加密生成文件的路径
-		/// 注意：如果未加密该路径为空
-		/// </summary>
-		public string EncryptedFilePath { set; get; }
-
 		/// <summary>
 		/// 是否为原生文件
 		/// </summary>
@@ -208,9 +212,10 @@ namespace YooAsset.Editor
 		{
 			PackageBundle packageBundle = new PackageBundle();
 			packageBundle.BundleName = BundleName;
-			packageBundle.FileHash = BundleInfo.FileHash;
-			packageBundle.FileCRC = BundleInfo.FileCRC;
-			packageBundle.FileSize = BundleInfo.FileSize;
+			packageBundle.FileHash = PackageFileHash;
+			packageBundle.FileCRC = PackageFileCRC;
+			packageBundle.FileSize = PackageFileSize;
+			packageBundle.UnityCRC = PackageUnityCRC;
 			packageBundle.IsRawFile = IsRawFile;
 			packageBundle.LoadMethod = (byte)LoadMethod;
 			packageBundle.Tags = GetBundleTags();

Assets/YooAsset/Editor/AssetBundleBuilder/BuildParameters.cs

@@ -37,9 +37,14 @@ namespace YooAsset.Editor
 
 
 		/// <summary>
-		/// 输出的根目录
+		/// 内置资源的根目录
 		/// </summary>
-		public string OutputRoot;
+		public string StreamingAssetsRoot;
+
+		/// <summary>
+		/// 构建输出的根目录
+		/// </summary>
+		public string BuildOutputRoot;
 
 		/// <summary>
 		/// 构建的平台

Assets/YooAsset/Editor/AssetBundleBuilder/BuildParametersContext.cs

@@ -9,6 +9,8 @@ namespace YooAsset.Editor
 	{
 		private string _pipelineOutputDirectory = string.Empty;
 		private string _packageOutputDirectory = string.Empty;
+		private string _packageRootDirectory = string.Empty;
+		private string _streamingAssetsDirectory = string.Empty;
 
 		/// <summary>
 		/// 构建参数
@@ -29,23 +31,47 @@ namespace YooAsset.Editor
 		{
 			if (string.IsNullOrEmpty(_pipelineOutputDirectory))
 			{
-				_pipelineOutputDirectory = $"{Parameters.OutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}/{YooAssetSettings.OutputFolderName}";
+				_pipelineOutputDirectory = $"{Parameters.BuildOutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}/{YooAssetSettings.OutputFolderName}";
 			}
 			return _pipelineOutputDirectory;
 		}
 
 		/// <summary>
-		/// 获取本次构建的补丁目录
+		/// 获取本次构建的补丁输出目录
 		/// </summary>
 		public string GetPackageOutputDirectory()
 		{
 			if (string.IsNullOrEmpty(_packageOutputDirectory))
 			{
-				_packageOutputDirectory = $"{Parameters.OutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}/{Parameters.PackageVersion}";
+				_packageOutputDirectory = $"{Parameters.BuildOutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}/{Parameters.PackageVersion}";
 			}
 			return _packageOutputDirectory;
 		}
 
+		/// <summary>
+		/// 获取本次构建的补丁根目录
+		/// </summary>
+		public string GetPackageRootDirectory()
+		{
+			if (string.IsNullOrEmpty(_packageRootDirectory))
+			{
+				_packageRootDirectory = $"{Parameters.BuildOutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}";
+			}
+			return _packageRootDirectory;
+		}
+
+		/// <summary>
+		/// 获取内置资源的目录
+		/// </summary>
+		public string GetStreamingAssetsDirectory()
+		{
+			if (string.IsNullOrEmpty(_streamingAssetsDirectory))
+			{
+				_streamingAssetsDirectory = $"{Parameters.StreamingAssetsRoot}/{Parameters.PackageName}";
+			}
+			return _streamingAssetsDirectory;
+		}
+
 		/// <summary>
 		/// 获取内置构建管线的构建选项
 		/// </summary>

Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/ETaskPipeline.cs

@@ -1,22 +0,0 @@
-using System;
-
-namespace YooAsset.Editor
-{
-	public enum ETaskPipeline 
-	{
-		/// <summary>
-		/// 所有的构建管线
-		/// </summary>
-		AllPipeline,
-
-		/// <summary>
-		/// 内置构建管线
-		/// </summary>
-		BuiltinBuildPipeline,
-
-		/// <summary>
-		/// 可编程构建管线
-		/// </summary>
-		ScriptableBuildPipeline,
-	}
-}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/TaskAttribute.cs

@@ -5,28 +5,13 @@ namespace YooAsset.Editor
 	[AttributeUsage(AttributeTargets.Class)]
 	public class TaskAttribute : Attribute
 	{
-		/// <summary>
-		/// 任务所属的构建流水线
-		/// </summary>
-		public ETaskPipeline Pipeline;
-
-		/// <summary>
-		/// 执行顺序
-		/// </summary>
-		public int TaskOrder;
-
 		/// <summary>
 		/// 任务说明
 		/// </summary>
 		public string TaskDesc;
 
-		// 关联的任务类
-		public Type ClassType { set; get; }
-
-		public TaskAttribute(ETaskPipeline pipeline, int taskOrder, string taskDesc)
+		public TaskAttribute(string taskDesc)
 		{
-			Pipeline = pipeline;
-			TaskOrder = taskOrder;
 			TaskDesc = taskDesc;
 		}
 	}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskBuilding.cs

@@ -7,7 +7,7 @@ using UnityEngine;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.BuiltinBuildPipeline, 300, "资源构建内容打包")]
+	[TaskAttribute("资源构建内容打包")]
 	public class TaskBuilding : IBuildTask
 	{
 		public class BuildResultContext : IContextObject

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskBuilding_SBP.cs

@@ -9,7 +9,7 @@ using UnityEditor.Build.Pipeline.Tasks;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.ScriptableBuildPipeline, 300, "资源构建内容打包")]
+	[TaskAttribute("资源构建内容打包")]
 	public class TaskBuilding_SBP : IBuildTask
 	{
 		public class BuildResultContext : IContextObject

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCopyBuildinFiles.cs

@@ -6,7 +6,7 @@ using UnityEngine;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 1100, "拷贝内置文件到流目录")]
+	[TaskAttribute("拷贝内置文件到流目录")]
 	public class TaskCopyBuildinFiles : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)
@@ -30,7 +30,7 @@ namespace YooAsset.Editor
 		{
 			ECopyBuildinFileOption option = buildParametersContext.Parameters.CopyBuildinFileOption;
 			string packageOutputDirectory = buildParametersContext.GetPackageOutputDirectory();
-			string streamingAssetsDirectory = AssetBundleBuilderHelper.GetStreamingAssetsFolderPath();
+			string streamingAssetsDirectory = buildParametersContext.GetStreamingAssetsDirectory();
 			string buildPackageName = buildParametersContext.Parameters.PackageName;
 			string buildPackageVersion = buildParametersContext.Parameters.PackageVersion;
 
@@ -40,7 +40,7 @@ namespace YooAsset.Editor
 			// 清空流目录
 			if (option == ECopyBuildinFileOption.ClearAndCopyAll || option == ECopyBuildinFileOption.ClearAndCopyByTags)
 			{
-				AssetBundleBuilderHelper.ClearStreamingAssetsFolder();
+				EditorTools.ClearFolder(streamingAssetsDirectory);
 			}
 
 			// 拷贝补丁清单文件

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCopyRawFile.cs

@@ -5,7 +5,7 @@ using System.Collections.Generic;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 400, "拷贝原生文件")]
+	[TaskAttribute("拷贝原生文件")]
 	public class TaskCopyRawFile : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateManifest.cs

@@ -13,7 +13,7 @@ namespace YooAsset.Editor
 		internal PackageManifest Manifest;
 	}
 
-	[TaskAttribute(ETaskPipeline.AllPipeline, 800, "创建清单文件")]
+	[TaskAttribute("创建清单文件")]
 	public class TaskCreateManifest : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreatePackage.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 1000, "制作包裹")]
+	[TaskAttribute("制作包裹")]
 	public class TaskCreatePackage : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)
@@ -70,7 +70,7 @@ namespace YooAsset.Editor
 			int fileTotalCount = buildMapContext.Collection.Count;
 			foreach (var bundleInfo in buildMapContext.Collection)
 			{
-				EditorTools.CopyFile(bundleInfo.BundleInfo.BuildOutputFilePath, bundleInfo.BundleInfo.PackageOutputFilePath, true);
+				EditorTools.CopyFile(bundleInfo.PackageSourceFilePath, bundleInfo.PackageDestFilePath, true);
 				EditorTools.DisplayProgressBar("拷贝补丁文件", ++progressValue, fileTotalCount);
 			}
 			EditorTools.ClearProgressBar();

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateReport.cs

@@ -6,7 +6,7 @@ using UnityEditor;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 900, "创建构建报告文件")]
+	[TaskAttribute("创建构建报告文件")]
 	public class TaskCreateReport : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskEncryption.cs

@@ -6,7 +6,7 @@ using System.Collections.Generic;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 600, "资源包加密")]
+	[TaskAttribute("资源包加密")]
 	public class TaskEncryption : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskGetBuildMap.cs

@@ -7,7 +7,7 @@ using UnityEditor;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 200, "获取资源构建内容")]
+	[TaskAttribute("获取资源构建内容")]
 	public class TaskGetBuildMap : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)
@@ -147,17 +147,17 @@ namespace YooAsset.Editor
 		private void RemoveZeroReferenceAssets(List<CollectAssetInfo> allCollectAssetInfos)
 		{
 			// 1. 检测是否任何存在依赖资源
-			bool hasAnyDependAsset = false;
+			bool hasAnyDependCollector = false;
 			foreach (var collectAssetInfo in allCollectAssetInfos)
 			{
 				var collectorType = collectAssetInfo.CollectorType;
 				if (collectorType == ECollectorType.DependAssetCollector)
 				{
-					hasAnyDependAsset = true;
+					hasAnyDependCollector = true;
 					break;
 				}
 			}
-			if (hasAnyDependAsset == false)
+			if (hasAnyDependCollector == false)
 				return;
 
 			// 2. 获取所有主资源的依赖资源集合

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskPrepare.cs

@@ -6,7 +6,7 @@ using UnityEditor;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 100, "资源构建准备工作")]
+	[TaskAttribute("资源构建准备工作")]
 	public class TaskPrepare : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)
@@ -16,11 +16,27 @@ namespace YooAsset.Editor
 
 			// 检测构建参数合法性
 			if (buildParameters.BuildTarget == BuildTarget.NoTarget)
-				throw new Exception("请选择目标平台");
+				throw new Exception("请选择目标平台！");
 			if (string.IsNullOrEmpty(buildParameters.PackageName))
-				throw new Exception("包裹名称不能为空");
+				throw new Exception("包裹名称不能为空！");
 			if (string.IsNullOrEmpty(buildParameters.PackageVersion))
-				throw new Exception("包裹版本不能为空");
+				throw new Exception("包裹版本不能为空！");
+			if (string.IsNullOrEmpty(buildParameters.BuildOutputRoot))
+				throw new Exception("构建输出的根目录为空！");
+			if (string.IsNullOrEmpty(buildParameters.StreamingAssetsRoot))
+				throw new Exception("内置资源根目录为空！");
+
+			if (buildParameters.BuildPipeline == EBuildPipeline.ScriptableBuildPipeline)
+			{
+				if (buildParameters.SBPParameters == null)
+					throw new Exception($"{nameof(BuildParameters.SBPParameters)} is null !");
+
+				if (buildParameters.BuildMode == EBuildMode.DryRunBuild)
+					throw new Exception($"{nameof(EBuildPipeline.ScriptableBuildPipeline)} not support {nameof(EBuildMode.DryRunBuild)} build mode !");
+
+				if (buildParameters.BuildMode == EBuildMode.ForceRebuild)
+					throw new Exception($"{nameof(EBuildPipeline.ScriptableBuildPipeline)} not support {nameof(EBuildMode.ForceRebuild)} build mode !");
+			}
 
 			if (buildParameters.BuildMode != EBuildMode.SimulateBuild)
 			{
@@ -72,11 +88,10 @@ namespace YooAsset.Editor
 
 			if (buildParameters.BuildMode == EBuildMode.ForceRebuild)
 			{
-				// 删除总目录
-				string platformDirectory = $"{buildParameters.OutputRoot}/{buildParameters.BuildTarget}/{buildParameters.PackageName}";
-				if (EditorTools.DeleteDirectory(platformDirectory))
+				string packageRootDirectory = buildParametersContext.GetPackageRootDirectory();
+				if (EditorTools.DeleteDirectory(packageRootDirectory))
 				{
-					BuildLogger.Log($"删除平台总目录：{platformDirectory}");
+					BuildLogger.Log($"删除包裹目录：{packageRootDirectory}");
 				}
 			}
 

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskUpdateBundleInfo.cs

@@ -6,7 +6,7 @@ using UnityEditor;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 700, "更新资源包信息")]
+	[TaskAttribute("更新资源包信息")]
 	public class TaskUpdateBundleInfo : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)
@@ -29,32 +29,35 @@ namespace YooAsset.Editor
 			// 2.更新构建输出的文件路径
 			foreach (var bundleInfo in buildMapContext.Collection)
 			{
+				bundleInfo.BuildOutputFilePath = $"{pipelineOutputDirectory}/{bundleInfo.BundleName}";
 				if (bundleInfo.IsEncryptedFile)
-					bundleInfo.BundleInfo.BuildOutputFilePath = bundleInfo.EncryptedFilePath;
+					bundleInfo.PackageSourceFilePath = bundleInfo.EncryptedFilePath;
 				else
-					bundleInfo.BundleInfo.BuildOutputFilePath = $"{pipelineOutputDirectory}/{bundleInfo.BundleName}";
+					bundleInfo.PackageSourceFilePath = bundleInfo.BuildOutputFilePath;
 			}
 
 			// 3.更新文件其它信息
 			foreach (var bundleInfo in buildMapContext.Collection)
 			{
-				string buildOutputFilePath = bundleInfo.BundleInfo.BuildOutputFilePath;
-				bundleInfo.BundleInfo.ContentHash = GetBundleContentHash(bundleInfo, context);
-				bundleInfo.BundleInfo.FileHash = GetBundleFileHash(buildOutputFilePath, buildParametersContext);
-				bundleInfo.BundleInfo.FileCRC = GetBundleFileCRC(buildOutputFilePath, buildParametersContext);
-				bundleInfo.BundleInfo.FileSize = GetBundleFileSize(buildOutputFilePath, buildParametersContext);
+				bundleInfo.PackageUnityHash = GetUnityHash(bundleInfo, context);
+				bundleInfo.PackageUnityCRC = GetUnityCRC(bundleInfo, context);
+				bundleInfo.PackageFileHash = GetBundleFileHash(bundleInfo.PackageSourceFilePath, buildParametersContext);
+				bundleInfo.PackageFileCRC = GetBundleFileCRC(bundleInfo.PackageSourceFilePath, buildParametersContext);
+				bundleInfo.PackageFileSize = GetBundleFileSize(bundleInfo.PackageSourceFilePath, buildParametersContext);
 			}
 
 			// 4.更新补丁包输出的文件路径
 			foreach (var bundleInfo in buildMapContext.Collection)
 			{
-				string fileExtension = ManifestTools.GetRemoteBundleFileExtension(bundleInfo.BundleName);
-				string fileName = ManifestTools.GetRemoteBundleFileName(outputNameStyle, bundleInfo.BundleName, fileExtension, bundleInfo.BundleInfo.FileHash);
-				bundleInfo.BundleInfo.PackageOutputFilePath = $"{packageOutputDirectory}/{fileName}";
+				string bundleName = bundleInfo.BundleName;
+				string fileHash = bundleInfo.PackageFileHash;
+				string fileExtension = ManifestTools.GetRemoteBundleFileExtension(bundleName);
+				string fileName = ManifestTools.GetRemoteBundleFileName(outputNameStyle, bundleName, fileExtension, fileHash);
+				bundleInfo.PackageDestFilePath = $"{packageOutputDirectory}/{fileName}";
 			}
 		}
 
-		private string GetBundleContentHash(BuildBundleInfo bundleInfo, BuildContext context)
+		private string GetUnityHash(BuildBundleInfo bundleInfo, BuildContext context)
 		{
 			var buildParametersContext = context.GetContextObject<BuildParametersContext>();
 			var parameters = buildParametersContext.Parameters;
@@ -64,7 +67,7 @@ namespace YooAsset.Editor
 
 			if (bundleInfo.IsRawFile)
 			{
-				string filePath = bundleInfo.BundleInfo.BuildOutputFilePath;
+				string filePath = bundleInfo.PackageSourceFilePath;
 				return HashUtility.FileMD5(filePath);
 			}
 
@@ -75,7 +78,7 @@ namespace YooAsset.Editor
 				if (hash.isValid)
 					return hash.ToString();
 				else
-					throw new Exception($"Not found bundle in build result : {bundleInfo.BundleName}");
+					throw new Exception($"Not found bundle hash in build result : {bundleInfo.BundleName}");
 			}
 			else if (parameters.BuildPipeline == EBuildPipeline.ScriptableBuildPipeline)
 			{
@@ -84,7 +87,39 @@ namespace YooAsset.Editor
 				if (buildResult.Results.BundleInfos.TryGetValue(bundleInfo.BundleName, out var value))
 					return value.Hash.ToString();
 				else
-					throw new Exception($"Not found bundle in build result : {bundleInfo.BundleName}");
+					throw new Exception($"Not found bundle hash in build result : {bundleInfo.BundleName}");
+			}
+			else
+			{
+				throw new System.NotImplementedException();
+			}
+		}
+		private uint GetUnityCRC(BuildBundleInfo bundleInfo, BuildContext context)
+		{
+			var buildParametersContext = context.GetContextObject<BuildParametersContext>();
+			var parameters = buildParametersContext.Parameters;
+			var buildMode = parameters.BuildMode;
+			if (buildMode == EBuildMode.DryRunBuild || buildMode == EBuildMode.SimulateBuild)
+				return 0;
+
+			if (bundleInfo.IsRawFile)
+				return 0;
+
+			if (parameters.BuildPipeline == EBuildPipeline.BuiltinBuildPipeline)
+			{
+				string filePath = bundleInfo.BuildOutputFilePath;
+				if (BuildPipeline.GetCRCForAssetBundle(filePath, out uint crc))
+					return crc;
+				else
+					throw new Exception($"Not found bundle crc in build result : {bundleInfo.BundleName}");
+			}
+			else if (parameters.BuildPipeline == EBuildPipeline.ScriptableBuildPipeline)
+			{
+				var buildResult = context.GetContextObject<TaskBuilding_SBP.BuildResultContext>();
+				if (buildResult.Results.BundleInfos.TryGetValue(bundleInfo.BundleName, out var value))
+					return value.Crc;
+				else
+					throw new Exception($"Not found bundle crc in build result : {bundleInfo.BundleName}");
 			}
 			else
 			{

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskVerifyBuildResult.cs

@@ -8,7 +8,7 @@ using UnityEngine;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.BuiltinBuildPipeline, 500, "验证构建结果")]
+	[TaskAttribute("验证构建结果")]
 	public class TaskVerifyBuildResult : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskVerifyBuildResult_SBP.cs

@@ -9,7 +9,7 @@ using UnityEditor.Build.Pipeline.Interfaces;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.ScriptableBuildPipeline, 500, "验证构建结果")]
+	[TaskAttribute("验证构建结果")]
 	public class TaskVerifyBuildResult_SBP : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

Assets/YooAsset/Runtime/AssetSystem/AssetSystem.cs

@@ -79,30 +79,6 @@ namespace YooAsset
 			_isUnloadSafe = true;
 		}
 
-		/// <summary>
-		/// 销毁
-		/// </summary>
-		public void DestroyAll()
-		{
-			foreach (var provider in _providerList)
-			{
-				provider.Destroy();
-			}
-			_providerList.Clear();
-			_providerDic.Clear();
-
-			foreach (var loader in _loaderList)
-			{
-				loader.Destroy(true);
-			}
-			_loaderList.Clear();
-			_loaderDic.Clear();
-
-			ClearSceneHandle();
-			DecryptionServices = null;
-			BundleServices = null;
-		}
-
 		/// <summary>
 		/// 资源回收（卸载引用计数为零的资源）
 		/// </summary>
@@ -135,7 +111,7 @@ namespace YooAsset
 				if (loader.CanDestroy())
 				{
 					string bundleName = loader.MainBundleInfo.Bundle.BundleName;
-					loader.Destroy(false);
+					loader.Destroy();
 					_loaderList.RemoveAt(i);
 					_loaderDic.Remove(bundleName);
 				}
@@ -147,13 +123,16 @@ namespace YooAsset
 		/// </summary>
 		public void ForceUnloadAllAssets()
 		{
+#if UNITY_WEBGL
+			throw new Exception($"WebGL not support invoke {nameof(ForceUnloadAllAssets)}");
+#else
 			foreach (var provider in _providerList)
 			{
-				provider.Destroy();
+				provider.DestroySafely();
 			}
 			foreach (var loader in _loaderList)
 			{
-				loader.Destroy(true);
+				loader.DestroySafely();
 			}
 
 			_providerList.Clear();
@@ -164,6 +143,7 @@ namespace YooAsset
 
 			// 注意：调用底层接口释放所有资源
 			Resources.UnloadUnusedAssets();
+#endif
 		}
 
 		/// <summary>
@@ -436,7 +416,7 @@ namespace YooAsset
 				return null;
 		}
 
-		#region 调试信息
+#region 调试信息
 		internal List<DebugProviderInfo> GetDebugReportInfos()
 		{
 			List<DebugProviderInfo> result = new List<DebugProviderInfo>(_providerList.Count);
@@ -464,6 +444,6 @@ namespace YooAsset
 			}
 			return result;
 		}
-		#endregion
+#endregion
 	}
 }

Assets/YooAsset/Runtime/AssetSystem/Handles/RawFileOperationHandle.cs

@@ -73,9 +73,7 @@ namespace YooAsset
 			if (IsValidWithWarning == false)
 				return null;
 			string filePath = Provider.RawFilePath;
-			if (File.Exists(filePath) == false)
-				return null;
-			return File.ReadAllBytes(filePath);
+			return FileUtility.ReadAllBytes(filePath);
 		}
 
 		/// <summary>

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

@@ -82,7 +82,8 @@ namespace YooAsset
 			if (_steps == ESteps.Download)
 			{
 				int failedTryAgain = Impl.DownloadFailedTryAgain;
-				_downloader = DownloadSystem.BeginDownload(MainBundleInfo, failedTryAgain);
+				_downloader = DownloadSystem.CreateDownload(MainBundleInfo, failedTryAgain);
+				_downloader.SendRequest();
 				_steps = ESteps.CheckDownload;
 			}
 
@@ -112,7 +113,8 @@ namespace YooAsset
 			{
 				int failedTryAgain = Impl.DownloadFailedTryAgain;
 				var bundleInfo = ManifestTools.ConvertToUnpackInfo(MainBundleInfo.Bundle);
-				_unpacker = DownloadSystem.BeginDownload(bundleInfo, failedTryAgain);
+				_unpacker = DownloadSystem.CreateDownload(bundleInfo, failedTryAgain);
+				_unpacker.SendRequest();
 				_steps = ESteps.CheckUnpack;
 			}
 
@@ -262,9 +264,9 @@ namespace YooAsset
 		/// <summary>
 		/// 销毁
 		/// </summary>
-		public override void Destroy(bool forceDestroy)
+		public override void Destroy()
 		{
-			base.Destroy(forceDestroy);
+			base.Destroy();
 
 			if (_stream != null)
 			{

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

@@ -15,21 +15,14 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None = 0,
-			Download,
-			CheckDownload,
-			LoadCacheFile,
-			CheckLoadCacheFile,
-			LoadWebFile,
-			CheckLoadWebFile,
-			TryLoadWebFile,
+			LoadWebSiteFile,
+			LoadRemoteFile,
+			CheckLoadFile,
 			Done,
 		}
 
 		private ESteps _steps = ESteps.None;
-		private float _tryTimer = 0;
-		private DownloaderBase _downloader;
-		private UnityWebRequest _webRequest;
-		private AssetBundleCreateRequest _createRequest;
+		private WebDownloader _downloader;
 
 
 		public AssetBundleWebLoader(AssetSystemImpl impl, BundleInfo bundleInfo) : base(impl, bundleInfo)
@@ -48,18 +41,13 @@ namespace YooAsset
 			{
 				if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromRemote)
 				{
-					_steps = ESteps.Download;
-					FileLoadPath = MainBundleInfo.Bundle.CachedDataFilePath;
+					_steps = ESteps.LoadRemoteFile;
+					FileLoadPath = string.Empty;
 				}
 				else if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
 				{
-					_steps = ESteps.LoadWebFile;
-					FileLoadPath = MainBundleInfo.Bundle.StreamingFilePath;
-				}
-				else if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
-				{
-					_steps = ESteps.LoadCacheFile;
-					FileLoadPath = MainBundleInfo.Bundle.CachedDataFilePath;
+					_steps = ESteps.LoadWebSiteFile;
+					FileLoadPath = string.Empty;
 				}
 				else
 				{
@@ -67,159 +55,49 @@ namespace YooAsset
 				}
 			}
 
-			// 1. 从服务器下载
-			if (_steps == ESteps.Download)
+			// 1. 跨域获取资源包
+			if (_steps == ESteps.LoadRemoteFile)
 			{
 				int failedTryAgain = Impl.DownloadFailedTryAgain;
-				_downloader = DownloadSystem.BeginDownload(MainBundleInfo, failedTryAgain);
-				_steps = ESteps.CheckDownload;
+				_downloader = DownloadSystem.CreateDownload(MainBundleInfo, failedTryAgain) as WebDownloader;
+				_downloader.SendRequest(true);
+				_steps = ESteps.CheckLoadFile;
 			}
 
-			// 2. 检测服务器下载结果
-			if (_steps == ESteps.CheckDownload)
+			// 2. 从站点获取资源包
+			if (_steps == ESteps.LoadWebSiteFile)
+			{
+				int failedTryAgain = Impl.DownloadFailedTryAgain;
+				var bundleInfo = ManifestTools.ConvertToUnpackInfo(MainBundleInfo.Bundle);
+				_downloader = DownloadSystem.CreateDownload(bundleInfo, failedTryAgain) as WebDownloader;
+				_downloader.SendRequest(true);
+				_steps = ESteps.CheckLoadFile;
+			}
+
+			// 3. 检测加载结果
+			if (_steps == ESteps.CheckLoadFile)
 			{
 				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.LoadCacheFile;
-					return; //下载完毕等待一帧再去加载！
-				}
-			}
-
-			// 3. 从本地缓存里加载AssetBundle
-			if (_steps == ESteps.LoadCacheFile)
-			{
-#if UNITY_EDITOR
-				// 注意：Unity2017.4编辑器模式下，如果AssetBundle文件不存在会导致编辑器崩溃，这里做了预判。
-				if (System.IO.File.Exists(FileLoadPath) == false)
-				{
-					_steps = ESteps.Done;
-					Status = EStatus.Failed;
-					LastError = $"Not found assetBundle file : {FileLoadPath}";
-					YooLogger.Error(LastError);
-					return;
-				}
-#endif
-
-				// 设置下载进度
-				DownloadProgress = 1f;
-				DownloadedBytes = (ulong)MainBundleInfo.Bundle.FileSize;
-
-				// Load assetBundle file
-				var loadMethod = (EBundleLoadMethod)MainBundleInfo.Bundle.LoadMethod;
-				if (loadMethod == EBundleLoadMethod.Normal)
-				{
-					_createRequest = AssetBundle.LoadFromFileAsync(FileLoadPath);
-				}
-				else
-				{
-					_steps = ESteps.Done;
-					Status = EStatus.Failed;
-					LastError = $"WebGL not support encrypted bundle file : {MainBundleInfo.Bundle.BundleName}";
-					YooLogger.Error(LastError);
-					return;
-				}
-				_steps = ESteps.CheckLoadCacheFile;
-			}
-
-			// 4. 检测AssetBundle加载结果
-			if (_steps == ESteps.CheckLoadCacheFile)
-			{
-				if (_createRequest.isDone == false)
-					return;
-
-				CacheBundle = _createRequest.assetBundle;
+				CacheBundle = _downloader.GetAssetBundle();
 				if (CacheBundle == null)
 				{
 					_steps = ESteps.Done;
 					Status = EStatus.Failed;
-					LastError = $"Failed to load AssetBundle file : {MainBundleInfo.Bundle.BundleName}";
+					LastError = $"AssetBundle file is invalid : {MainBundleInfo.Bundle.BundleName}";
 					YooLogger.Error(LastError);
-
-					// 注意：当缓存文件的校验等级为Low的时候，并不能保证缓存文件的完整性。
-					// 在AssetBundle文件加载失败的情况下，我们需要重新验证文件的完整性！
-					if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
-					{
-						var result = CacheSystem.VerifyingRecordFile(MainBundleInfo.Bundle.PackageName, MainBundleInfo.Bundle.CacheGUID);
-						if (result != EVerifyResult.Succeed)
-						{
-							YooLogger.Error($"Found possibly corrupt file ! {MainBundleInfo.Bundle.CacheGUID}");
-							CacheSystem.DiscardFile(MainBundleInfo.Bundle.PackageName, MainBundleInfo.Bundle.CacheGUID);
-						}
-					}
 				}
 				else
 				{
 					_steps = ESteps.Done;
 					Status = EStatus.Succeed;
 				}
-			}
 
-			// 5. 从WEB网站获取AssetBundle文件
-			if (_steps == ESteps.LoadWebFile)
-			{
-				var hash = Hash128.Parse(MainBundleInfo.Bundle.FileHash);
-				_webRequest = UnityWebRequestAssetBundle.GetAssetBundle(FileLoadPath, hash);
-				_webRequest.SendWebRequest();
-				_steps = ESteps.CheckLoadWebFile;
-			}
-
-			// 6. 检测AssetBundle加载结果
-			if (_steps == ESteps.CheckLoadWebFile)
-			{
-				DownloadProgress = _webRequest.downloadProgress;
-				DownloadedBytes = _webRequest.downloadedBytes;
-				if (_webRequest.isDone == false)
-					return;
-
-#if UNITY_2020_1_OR_NEWER
-				if (_webRequest.result != UnityWebRequest.Result.Success)
-#else
-				if (_webRequest.isNetworkError || _webRequest.isHttpError)
-#endif
-				{
-					YooLogger.Warning($"Failed to get asset bundle from web : {FileLoadPath} Error : {_webRequest.error}");
-					_steps = ESteps.TryLoadWebFile;
-					_tryTimer = 0;
-				}
-				else
-				{
-					CacheBundle = DownloadHandlerAssetBundle.GetContent(_webRequest);
-					if (CacheBundle == null)
-					{
-						_steps = ESteps.Done;
-						Status = EStatus.Failed;
-						LastError = $"AssetBundle file is invalid : {MainBundleInfo.Bundle.BundleName}";
-						YooLogger.Error(LastError);
-					}
-					else
-					{
-						_steps = ESteps.Done;
-						Status = EStatus.Succeed;
-					}
-				}
-			}
-
-			// 7. 如果获取失败，重新尝试
-			if (_steps == ESteps.TryLoadWebFile)
-			{
-				_tryTimer += Time.unscaledDeltaTime;
-				if (_tryTimer > 1f)
-				{
-					_webRequest.Dispose();
-					_webRequest = null;
-					_steps = ESteps.LoadWebFile;
-				}
+				// 注意：释放下载句柄
+				_downloader.DisposeHandler();
 			}
 		}
 

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

@@ -144,6 +144,15 @@ namespace YooAsset
 			}
 		}
 
+		/// <summary>
+		/// 销毁资源包（安全模式）
+		/// </summary>
+		public void DestroySafely()
+		{
+			WaitForAsyncComplete();
+			Destroy();
+		}
+
 
 		/// <summary>
 		/// 轮询更新
@@ -153,18 +162,15 @@ namespace YooAsset
 		/// <summary>
 		/// 销毁
 		/// </summary>
-		public virtual void Destroy(bool forceDestroy)
+		public virtual void Destroy()
 		{
 			IsDestroyed = true;
 
 			// Check fatal
-			if (forceDestroy == false)
-			{
-				if (RefCount > 0)
-					throw new Exception($"Bundle file loader ref is not zero : {MainBundleInfo.Bundle.BundleName}");
-				if (IsDone() == false)
-					throw new Exception($"Bundle file loader is not done : {MainBundleInfo.Bundle.BundleName}");
-			}
+			if (RefCount > 0)
+				throw new Exception($"Bundle file loader ref is not zero : {MainBundleInfo.Bundle.BundleName}");
+			if (IsDone() == false)
+				throw new Exception($"Bundle file loader is not done : {MainBundleInfo.Bundle.BundleName}");
 
 			if (CacheBundle != null)
 			{

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

@@ -64,7 +64,8 @@ namespace YooAsset
 			if (_steps == ESteps.Download)
 			{
 				int failedTryAgain = Impl.DownloadFailedTryAgain;
-				_downloader = DownloadSystem.BeginDownload(MainBundleInfo, failedTryAgain);
+				_downloader = DownloadSystem.CreateDownload(MainBundleInfo, failedTryAgain);
+				_downloader.SendRequest();
 				_steps = ESteps.CheckDownload;
 			}
 
@@ -93,7 +94,8 @@ namespace YooAsset
 			{
 				int failedTryAgain = Impl.DownloadFailedTryAgain;
 				var bundleInfo = ManifestTools.ConvertToUnpackInfo(MainBundleInfo.Bundle);
-				_unpacker = DownloadSystem.BeginDownload(bundleInfo, failedTryAgain);
+				_unpacker = DownloadSystem.CreateDownload(bundleInfo, failedTryAgain);
+				_unpacker.SendRequest();
 				_steps = ESteps.CheckUnpack;
 			}
 

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

@@ -47,11 +47,6 @@ namespace YooAsset
 					_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());
@@ -62,7 +57,8 @@ namespace YooAsset
 			if (_steps == ESteps.Download)
 			{
 				int failedTryAgain = Impl.DownloadFailedTryAgain;
-				_downloader = DownloadSystem.BeginDownload(MainBundleInfo, failedTryAgain);
+				_downloader = DownloadSystem.CreateDownload(MainBundleInfo, failedTryAgain);
+				_downloader.SendRequest();
 				_steps = ESteps.CheckDownload;
 			}
 
@@ -91,7 +87,8 @@ namespace YooAsset
 			{
 				int failedTryAgain = Impl.DownloadFailedTryAgain;
 				var bundleInfo = ManifestTools.ConvertToUnpackInfo(MainBundleInfo.Bundle);
-				_website = DownloadSystem.BeginDownload(bundleInfo, failedTryAgain);
+				_website = DownloadSystem.CreateDownload(bundleInfo, failedTryAgain);
+				_website.SendRequest();
 				_steps = ESteps.CheckWebsite;
 			}
 

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledAllAssetsProvider.cs

@@ -53,6 +53,12 @@ namespace YooAsset
 					return;
 				}
 
+				if (OwnerBundle.CacheBundle == null)
+				{
+					ProcessCacheBundleException();
+					return;
+				}
+
 				Status = EStatus.Loading;
 			}
 

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledAssetProvider.cs

@@ -55,12 +55,7 @@ namespace YooAsset
 
 				if (OwnerBundle.CacheBundle == null)
 				{
-					if (OwnerBundle.IsDestroyed)
-						throw new System.Exception("Should never get here !");
-					Status = EStatus.Failed;
-					LastError = $"The bundle {OwnerBundle.MainBundleInfo.Bundle.BundleName} has been destroyed by unity bugs !";
-					YooLogger.Error(LastError);
-					InvokeCompletion();
+					ProcessCacheBundleException();
 					return;
 				}
 

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledSubAssetsProvider.cs

@@ -53,6 +53,12 @@ namespace YooAsset
 					return;
 				}
 
+				if (OwnerBundle.CacheBundle == null)
+				{
+					ProcessCacheBundleException();
+					return;
+				}
+
 				Status = EStatus.Loading;
 			}
 

Assets/YooAsset/Runtime/AssetSystem/Provider/ProviderBase.cs

@@ -123,7 +123,7 @@ namespace YooAsset
 		/// <summary>
 		/// 销毁资源对象
 		/// </summary>
-		public virtual void Destroy()
+		public void Destroy()
 		{
 			IsDestroyed = true;
 
@@ -140,6 +140,22 @@ namespace YooAsset
 			}
 		}
 
+		/// <summary>
+		/// 销毁资源对象（安全模式）
+		/// </summary>
+		public void DestroySafely()
+		{
+			if (Status == EStatus.Loading || Status == EStatus.Checking)
+			{
+				WaitForAsyncComplete();
+				Destroy();
+			}
+			else
+			{
+				Destroy();
+			}
+		}
+
 		/// <summary>
 		/// 是否可以销毁
 		/// </summary>
@@ -220,6 +236,30 @@ namespace YooAsset
 			}
 		}
 
+		/// <summary>
+		/// 处理特殊异常
+		/// </summary>
+		protected void ProcessCacheBundleException()
+		{
+			if (OwnerBundle.IsDestroyed)
+				throw new System.Exception("Should never get here !");
+
+			if (OwnerBundle.MainBundleInfo.Bundle.IsRawFile)
+			{
+				Status = EStatus.Failed;
+				LastError = $"Cannot load asset bundle file using {nameof(ResourcePackage.LoadRawFileAsync)} method !";
+				YooLogger.Error(LastError);
+				InvokeCompletion();
+			}
+			else
+			{
+				Status = EStatus.Failed;
+				LastError = $"The bundle {OwnerBundle.MainBundleInfo.Bundle.BundleName} has been destroyed by unity bugs !";
+				YooLogger.Error(LastError);
+				InvokeCompletion();
+			}
+		}
+
 		/// <summary>
 		/// 异步操作任务
 		/// </summary>

Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs

@@ -10,6 +10,11 @@ namespace YooAsset
 	{
 		private readonly static Dictionary<string, PackageCache> _cachedDic = new Dictionary<string, PackageCache>(1000);
 
+		/// <summary>
+		/// 禁用Unity缓存系统在WebGL平台
+		/// </summary>
+		public static bool DisableUnityCacheOnWebGL = false;
+
 		/// <summary>
 		/// 初始化时的验证级别
 		/// </summary>
@@ -88,7 +93,7 @@ namespace YooAsset
 		/// <summary>
 		/// 验证缓存文件（子线程内操作）
 		/// </summary>
-		public static EVerifyResult VerifyingCacheFile(VerifyCacheElement element)
+		public static EVerifyResult VerifyingCacheFile(VerifyCacheFileElement element)
 		{
 			try
 			{
@@ -120,7 +125,7 @@ namespace YooAsset
 		/// <summary>
 		/// 验证下载文件（子线程内操作）
 		/// </summary>
-		public static EVerifyResult VerifyingTempFile(VerifyTempElement element)
+		public static EVerifyResult VerifyingTempFile(VerifyTempFileElement element)
 		{
 			return VerifyingInternal(element.TempDataFilePath, element.FileSize, element.FileCRC, EVerifyLevel.High);
 		}

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

@@ -25,7 +25,7 @@ namespace YooAsset
 		/// <summary>
 		/// 需要验证的元素
 		/// </summary>
-		public readonly List<VerifyCacheElement> VerifyElements = new List<VerifyCacheElement>(5000);
+		public readonly List<VerifyCacheFileElement> VerifyElements = new List<VerifyCacheFileElement>(5000);
 
 		public FindCacheFilesOperation(string packageName)
 		{
@@ -45,7 +45,7 @@ namespace YooAsset
 			{
 				// BundleFiles
 				{
-					string rootPath = PersistentTools.GetCachedBundleFileFolderPath(_packageName);
+					string rootPath = PersistentTools.GetPersistent(_packageName).SandboxCacheBundleFilesRoot;
 					DirectoryInfo rootDirectory = new DirectoryInfo(rootPath);
 					if (rootDirectory.Exists)
 					{
@@ -56,7 +56,7 @@ namespace YooAsset
 
 				// RawFiles
 				{
-					string rootPath = PersistentTools.GetCachedRawFileFolderPath(_packageName);
+					string rootPath = PersistentTools.GetPersistent(_packageName).SandboxCacheRawFilesRoot;
 					DirectoryInfo rootDirectory = new DirectoryInfo(rootPath);
 					if (rootDirectory.Exists)
 					{
@@ -113,7 +113,7 @@ namespace YooAsset
 					string fileRootPath = chidDirectory.FullName;
 					string dataFilePath = $"{fileRootPath}/{ YooAssetSettings.CacheBundleDataFileName}";
 					string infoFilePath = $"{fileRootPath}/{ YooAssetSettings.CacheBundleInfoFileName}";
-					VerifyCacheElement element = new VerifyCacheElement(_packageName, cacheGUID, fileRootPath, dataFilePath, infoFilePath);
+					VerifyCacheFileElement element = new VerifyCacheFileElement(_packageName, cacheGUID, fileRootPath, dataFilePath, infoFilePath);
 					VerifyElements.Add(element);
 				}
 
@@ -161,7 +161,7 @@ namespace YooAsset
 					string fileRootPath = chidDirectory.FullName;
 					string dataFilePath = $"{fileRootPath}/{ YooAssetSettings.CacheBundleDataFileName}{dataFileExtension}";
 					string infoFilePath = $"{fileRootPath}/{ YooAssetSettings.CacheBundleInfoFileName}";
-					VerifyCacheElement element = new VerifyCacheElement(_packageName, cacheGUID, fileRootPath, dataFilePath, infoFilePath);
+					VerifyCacheFileElement element = new VerifyCacheFileElement(_packageName, cacheGUID, fileRootPath, dataFilePath, infoFilePath);
 					VerifyElements.Add(element);
 				}
 

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

@@ -8,7 +8,7 @@ namespace YooAsset
 {
 	internal abstract class VerifyCacheFilesOperation : AsyncOperationBase
 	{
-		public static VerifyCacheFilesOperation CreateOperation(List<VerifyCacheElement> elements)
+		public static VerifyCacheFilesOperation CreateOperation(List<VerifyCacheFileElement> elements)
 		{
 #if UNITY_WEBGL
 			var operation = new VerifyCacheFilesWithoutThreadOperation(elements);
@@ -33,8 +33,8 @@ namespace YooAsset
 		}
 
 		private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
-		private List<VerifyCacheElement> _waitingList;
-		private List<VerifyCacheElement> _verifyingList;
+		private List<VerifyCacheFileElement> _waitingList;
+		private List<VerifyCacheFileElement> _verifyingList;
 		private int _verifyMaxNum;
 		private int _verifyTotalCount;
 		private float _verifyStartTime;
@@ -42,7 +42,7 @@ namespace YooAsset
 		private int _failedCount;
 		private ESteps _steps = ESteps.None;
 
-		public VerifyCacheFilesWithThreadOperation(List<VerifyCacheElement> elements)
+		public VerifyCacheFilesWithThreadOperation(List<VerifyCacheFileElement> elements)
 		{
 			_waitingList = elements;
 		}
@@ -68,7 +68,7 @@ namespace YooAsset
 				if (_verifyMaxNum < 1)
 					_verifyMaxNum = 1;
 
-				_verifyingList = new List<VerifyCacheElement>(_verifyMaxNum);
+				_verifyingList = new List<VerifyCacheFileElement>(_verifyMaxNum);
 				_steps = ESteps.UpdateVerify;
 			}
 
@@ -114,19 +114,19 @@ namespace YooAsset
 				return 1f;
 			return (float)(_succeedCount + _failedCount) / _verifyTotalCount;
 		}
-		private bool BeginVerifyFileWithThread(VerifyCacheElement element)
+		private bool BeginVerifyFileWithThread(VerifyCacheFileElement element)
 		{
 			return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyInThread), element);
 		}
 		private void VerifyInThread(object obj)
 		{
-			VerifyCacheElement element = (VerifyCacheElement)obj;
+			VerifyCacheFileElement element = (VerifyCacheFileElement)obj;
 			element.Result = CacheSystem.VerifyingCacheFile(element);
 			_syncContext.Post(VerifyCallback, element);
 		}
 		private void VerifyCallback(object obj)
 		{
-			VerifyCacheElement element = (VerifyCacheElement)obj;
+			VerifyCacheFileElement element = (VerifyCacheFileElement)obj;
 			_verifyingList.Remove(element);
 
 			if (element.Result == EVerifyResult.Succeed)
@@ -158,8 +158,8 @@ namespace YooAsset
 			Done,
 		}
 
-		private List<VerifyCacheElement> _waitingList;
-		private List<VerifyCacheElement> _verifyingList;
+		private List<VerifyCacheFileElement> _waitingList;
+		private List<VerifyCacheFileElement> _verifyingList;
 		private int _verifyMaxNum;
 		private int _verifyTotalCount;
 		private float _verifyStartTime;
@@ -167,7 +167,7 @@ namespace YooAsset
 		private int _failedCount;
 		private ESteps _steps = ESteps.None;
 		
-		public VerifyCacheFilesWithoutThreadOperation(List<VerifyCacheElement> elements)
+		public VerifyCacheFilesWithoutThreadOperation(List<VerifyCacheFileElement> elements)
 		{
 			_waitingList = elements;
 		}
@@ -189,7 +189,7 @@ namespace YooAsset
 				_verifyMaxNum = fileCount;
 				_verifyTotalCount = fileCount;
 
-				_verifyingList = new List<VerifyCacheElement>(_verifyMaxNum);
+				_verifyingList = new List<VerifyCacheFileElement>(_verifyMaxNum);
 				_steps = ESteps.UpdateVerify;
 			}
 
@@ -229,7 +229,7 @@ namespace YooAsset
 				return 1f;
 			return (float)(_succeedCount + _failedCount) / _verifyTotalCount;
 		}
-		private void BeginVerifyFileWithoutThread(VerifyCacheElement element)
+		private void BeginVerifyFileWithoutThread(VerifyCacheFileElement element)
 		{
 			element.Result = CacheSystem.VerifyingCacheFile(element);
 			if (element.Result == EVerifyResult.Succeed)

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

@@ -10,7 +10,7 @@ namespace YooAsset
 	{
 		public EVerifyResult VerifyResult { protected set; get; }
 
-		public static VerifyTempFileOperation CreateOperation(VerifyTempElement element)
+		public static VerifyTempFileOperation CreateOperation(VerifyTempFileElement element)
 		{
 #if UNITY_WEBGL
 			var operation = new VerifyTempFileWithoutThreadOperation(element);
@@ -34,10 +34,10 @@ namespace YooAsset
 			Done,
 		}
 
-		private readonly VerifyTempElement _element;
+		private readonly VerifyTempFileElement _element;
 		private ESteps _steps = ESteps.None;
 
-		public VerifyTempFileWithThreadOperation(VerifyTempElement element)
+		public VerifyTempFileWithThreadOperation(VerifyTempFileElement element)
 		{
 			_element = element;
 		}
@@ -79,13 +79,13 @@ namespace YooAsset
 			}
 		}
 
-		private bool BeginVerifyFileWithThread(VerifyTempElement element)
+		private bool BeginVerifyFileWithThread(VerifyTempFileElement element)
 		{
 			return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyInThread), element);
 		}
 		private void VerifyInThread(object obj)
 		{
-			VerifyTempElement element = (VerifyTempElement)obj;
+			VerifyTempFileElement element = (VerifyTempFileElement)obj;
 			int result = (int)CacheSystem.VerifyingTempFile(element);
 			element.Result = result;
 		}
@@ -103,10 +103,10 @@ namespace YooAsset
 			Done,
 		}
 
-		private readonly VerifyTempElement _element;
+		private readonly VerifyTempFileElement _element;
 		private ESteps _steps = ESteps.None;
 
-		public VerifyTempFileWithoutThreadOperation(VerifyTempElement element)
+		public VerifyTempFileWithoutThreadOperation(VerifyTempFileElement element)
 		{
 			_element = element;
 		}

Assets/YooAsset/Runtime/CacheSystem/Persistent.cs

@@ -0,0 +1,163 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class Persistent
+	{
+		private readonly string _packageName;
+
+		public string BuildinRoot { private set; get; }
+		public string BuildinPackageRoot { private set; get; }
+
+		public string SandboxRoot { private set; get; }
+		public string SandboxPackageRoot { private set; get; }
+		public string SandboxCacheBundleFilesRoot { private set; get; }
+		public string SandboxCacheRawFilesRoot { private set; get; }
+		public string SandboxManifestFilesRoot { private set; get; }
+		public string SandboxAppFootPrintFilePath { private set; get; }
+
+
+		public Persistent(string packageName)
+		{
+			_packageName = packageName;
+		}
+
+		/// <summary>
+		/// 重写根路径
+		/// </summary>
+		public void OverwriteRootDirectory(string buildinRoot, string sandboxRoot)
+		{
+			if (string.IsNullOrEmpty(buildinRoot))
+				BuildinRoot = CreateDefaultBuildinRoot();
+			else
+				BuildinRoot = buildinRoot;
+
+			if (string.IsNullOrEmpty(sandboxRoot))
+				SandboxRoot = CreateDefaultSandboxRoot();
+			else
+				SandboxRoot = sandboxRoot;
+
+			BuildinPackageRoot = PathUtility.Combine(BuildinRoot, _packageName);
+			SandboxPackageRoot = PathUtility.Combine(SandboxRoot, _packageName);
+			SandboxCacheBundleFilesRoot = PathUtility.Combine(SandboxPackageRoot, YooAssetSettings.CachedBundleFileFolder);
+			SandboxCacheRawFilesRoot = PathUtility.Combine(SandboxPackageRoot, YooAssetSettings.CachedRawFileFolder);
+			SandboxManifestFilesRoot = PathUtility.Combine(SandboxPackageRoot, YooAssetSettings.ManifestFolderName);
+			SandboxAppFootPrintFilePath = PathUtility.Combine(SandboxPackageRoot, YooAssetSettings.AppFootPrintFileName);
+		}
+		private static string CreateDefaultBuildinRoot()
+		{
+			return PathUtility.Combine(UnityEngine.Application.streamingAssetsPath, YooAssetSettings.DefaultYooFolderName);
+		}
+		private static string CreateDefaultSandboxRoot()
+		{
+#if UNITY_EDITOR
+			// 注意：为了方便调试查看，编辑器下把存储目录放到项目里。
+			string projectPath = Path.GetDirectoryName(UnityEngine.Application.dataPath);
+			projectPath = PathUtility.RegularPath(projectPath);
+			return PathUtility.Combine(projectPath, YooAssetSettings.DefaultYooFolderName);
+#elif UNITY_STANDALONE
+			return PathUtility.Combine(UnityEngine.Application.dataPath, YooAssetSettings.DefaultYooFolderName);
+#else
+			return PathUtility.Combine(UnityEngine.Application.persistentDataPath, YooAssetSettings.DefaultYooFolderName);	
+#endif
+		}
+
+
+		/// <summary>
+		/// 删除沙盒里的包裹目录
+		/// </summary>
+		public void DeleteSandboxPackageFolder()
+		{
+			if (Directory.Exists(SandboxPackageRoot))
+				Directory.Delete(SandboxPackageRoot, true);
+		}
+		
+		/// <summary>
+		/// 删除沙盒内的缓存文件夹
+		/// </summary>
+		public void DeleteSandboxCacheFilesFolder()
+		{
+			// CacheBundleFiles
+			if (Directory.Exists(SandboxCacheBundleFilesRoot))
+				Directory.Delete(SandboxCacheBundleFilesRoot, true);
+
+			// CacheRawFiles
+			if (Directory.Exists(SandboxCacheRawFilesRoot))
+				Directory.Delete(SandboxCacheRawFilesRoot, true);
+		}
+
+		/// <summary>
+		/// 删除沙盒内的清单文件夹
+		/// </summary>
+		public void DeleteSandboxManifestFilesFolder()
+		{
+			if (Directory.Exists(SandboxManifestFilesRoot))
+				Directory.Delete(SandboxManifestFilesRoot, true);
+		}
+
+
+		/// <summary>
+		/// 获取沙盒内包裹的清单文件的路径
+		/// </summary>
+		public string GetSandboxPackageManifestFilePath(string packageVersion)
+		{
+			string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, packageVersion);
+			return PathUtility.Combine(SandboxManifestFilesRoot, fileName);
+		}
+
+		/// <summary>
+		/// 获取沙盒内包裹的哈希文件的路径
+		/// </summary>
+		public string GetSandboxPackageHashFilePath(string packageVersion)
+		{
+			string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, packageVersion);
+			return PathUtility.Combine(SandboxManifestFilesRoot, fileName);
+		}
+
+		/// <summary>
+		/// 获取沙盒内包裹的版本文件的路径
+		/// </summary>
+		public string GetSandboxPackageVersionFilePath()
+		{
+			string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
+			return PathUtility.Combine(SandboxManifestFilesRoot, fileName);
+		}
+
+		/// <summary>
+		/// 保存沙盒内默认的包裹版本
+		/// </summary>
+		public void SaveSandboxPackageVersionFile(string version)
+		{
+			string filePath = GetSandboxPackageVersionFilePath();
+			FileUtility.WriteAllText(filePath, version);
+		}
+
+
+		/// <summary>
+		/// 获取APP内包裹的清单文件的路径
+		/// </summary>
+		public string GetBuildinPackageManifestFilePath(string packageVersion)
+		{
+			string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, packageVersion);
+			return PathUtility.Combine(BuildinPackageRoot, fileName);
+		}
+
+		/// <summary>
+		/// 获取APP内包裹的哈希文件的路径
+		/// </summary>
+		public string GetBuildinPackageHashFilePath(string packageVersion)
+		{
+			string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, packageVersion);
+			return PathUtility.Combine(BuildinPackageRoot, fileName);
+		}
+
+		/// <summary>
+		/// 获取APP内包裹的版本文件的路径
+		/// </summary>
+		public string GetBuildinPackageVersionFilePath()
+		{
+			string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
+			return PathUtility.Combine(BuildinPackageRoot, fileName);
+		}
+	}
+}

Assets/YooAsset/Runtime/CacheSystem/Persistent.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 32477ef3a448a9144aa1574a052fe54e
+guid: 62ee5fd2821fe85488efff3f8242b703
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/YooAsset/Runtime/CacheSystem/PersistentTools.cs

@@ -3,84 +3,31 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-	internal static class PersistentTools
+	internal class PersistentTools
 	{
-		private const string SandboxFolderName = "Sandbox";
-		private const string CacheFolderName = "CacheFiles";
-		private const string CachedBundleFileFolder = "BundleFiles";
-		private const string CachedRawFileFolder = "RawFiles";
-		private const string ManifestFolderName = "ManifestFiles";
-		private const string AppFootPrintFileName = "ApplicationFootPrint.bytes";
-
-		private static string _buildinPath;
-		private static string _sandboxPath;
-
+		private static readonly Dictionary<string, Persistent> _persitentDic = new Dictionary<string, Persistent>(100);
 
 		/// <summary>
-		/// 重写沙盒跟路径
+		/// 获取包裹的持久化类
 		/// </summary>
-		public static void OverwriteSandboxPath(string sandboxPath)
+		public static Persistent GetPersistent(string packageName)
 		{
-			_sandboxPath = sandboxPath;
+			if (_persitentDic.ContainsKey(packageName) == false)
+				throw new System.Exception("Should never get here !");
+			return _persitentDic[packageName];
 		}
 
 		/// <summary>
-		/// 获取沙盒文件夹路径
+		/// 获取或创建包裹的持久化类
 		/// </summary>
-		public static string GetPersistentRootPath()
+		public static Persistent GetOrCreatePersistent(string packageName)
 		{
-#if UNITY_EDITOR
-			// 注意：为了方便调试查看，编辑器下把存储目录放到项目里
-			if (string.IsNullOrEmpty(_sandboxPath))
+			if (_persitentDic.ContainsKey(packageName) == false)
 			{
-				string projectPath = Path.GetDirectoryName(UnityEngine.Application.dataPath);
-				projectPath = PathUtility.RegularPath(projectPath);
-				_sandboxPath = PathUtility.Combine(projectPath, SandboxFolderName);
+				Persistent persistent = new Persistent(packageName);
+				_persitentDic.Add(packageName, persistent);
 			}
-#elif UNITY_STANDALONE
-			if (string.IsNullOrEmpty(_sandboxPath))
-			{
-				_sandboxPath = PathUtility.Combine(UnityEngine.Application.dataPath, SandboxFolderName);
-			}
-#else
-			if (string.IsNullOrEmpty(_sandboxPath))
-			{
-				_sandboxPath = PathUtility.Combine(UnityEngine.Application.persistentDataPath, SandboxFolderName);
-			}
-#endif
-
-			return _sandboxPath;
-		}
-
-		/// <summary>
-		/// 获取基于流文件夹的加载路径
-		/// </summary>
-		public static string MakeStreamingLoadPath(string path)
-		{
-			if (string.IsNullOrEmpty(_buildinPath))
-			{
-				_buildinPath = PathUtility.Combine(UnityEngine.Application.streamingAssetsPath, YooAssetSettings.StreamingAssetsBuildinFolder);
-			}
-			return PathUtility.Combine(_buildinPath, path);
-		}
-
-		/// <summary>
-		/// 获取基于沙盒文件夹的加载路径
-		/// </summary>
-		public static string MakePersistentLoadPath(string path)
-		{
-			string root = GetPersistentRootPath();
-			return PathUtility.Combine(root, path);
-		}
-		public static string MakePersistentLoadPath(string path1, string path2)
-		{
-			string root = GetPersistentRootPath();
-			return PathUtility.Combine(root, path1, path2);
-		}
-		public static string MakePersistentLoadPath(string path1, string path2, string path3)
-		{
-			string root = GetPersistentRootPath();
-			return PathUtility.Combine(root, path1, path2, path3);
+			return _persitentDic[packageName];
 		}
 
 		/// <summary>
@@ -100,109 +47,5 @@ namespace YooAsset
 			return path;
 #endif
 		}
-
-
-		/// <summary>
-		/// 删除沙盒总目录
-		/// </summary>
-		public static void DeleteSandbox()
-		{
-			string directoryPath = GetPersistentRootPath();
-			if (Directory.Exists(directoryPath))
-				Directory.Delete(directoryPath, true);
-		}
-
-		/// <summary>
-		/// 删除沙盒内的缓存文件夹
-		/// </summary>
-		public static void DeleteCacheFolder()
-		{
-			string root = MakePersistentLoadPath(CacheFolderName);
-			if (Directory.Exists(root))
-				Directory.Delete(root, true);
-		}
-
-		/// <summary>
-		/// 删除沙盒内的清单文件夹
-		/// </summary>
-		public static void DeleteManifestFolder()
-		{
-			string root = MakePersistentLoadPath(ManifestFolderName);
-			if (Directory.Exists(root))
-				Directory.Delete(root, true);
-		}
-
-
-		/// <summary>
-		/// 获取缓存的BundleFile文件夹路径
-		/// </summary>
-		private readonly static Dictionary<string, string> _cachedBundleFileFolder = new Dictionary<string, string>(100);
-		public static string GetCachedBundleFileFolderPath(string packageName)
-		{
-			if (_cachedBundleFileFolder.TryGetValue(packageName, out string value) == false)
-			{
-				value = MakePersistentLoadPath(CacheFolderName, packageName, CachedBundleFileFolder);
-				_cachedBundleFileFolder.Add(packageName, value);
-			}
-			return value;
-		}
-
-		/// <summary>
-		/// 获取缓存的RawFile文件夹路径
-		/// </summary>
-		private readonly static Dictionary<string, string> _cachedRawFileFolder = new Dictionary<string, string>(100);
-		public static string GetCachedRawFileFolderPath(string packageName)
-		{
-			if (_cachedRawFileFolder.TryGetValue(packageName, out string value) == false)
-			{
-				value = MakePersistentLoadPath(CacheFolderName, packageName, CachedRawFileFolder);
-				_cachedRawFileFolder.Add(packageName, value);
-			}
-			return value;
-		}
-
-		/// <summary>
-		/// 获取应用程序的水印文件路径
-		/// </summary>
-		public static string GetAppFootPrintFilePath()
-		{
-			return MakePersistentLoadPath(AppFootPrintFileName);
-		}
-
-		/// <summary>
-		/// 获取沙盒内清单文件的路径
-		/// </summary>
-		public static string GetCacheManifestFilePath(string packageName, string packageVersion)
-		{
-			string fileName = YooAssetSettingsData.GetManifestBinaryFileName(packageName, packageVersion);
-			return MakePersistentLoadPath(ManifestFolderName, fileName);
-		}
-
-		/// <summary>
-		/// 获取沙盒内包裹的哈希文件的路径
-		/// </summary>
-		public static string GetCachePackageHashFilePath(string packageName, string packageVersion)
-		{
-			string fileName = YooAssetSettingsData.GetPackageHashFileName(packageName, packageVersion);
-			return MakePersistentLoadPath(ManifestFolderName, fileName);
-		}
-
-		/// <summary>
-		/// 获取沙盒内包裹的版本文件的路径
-		/// </summary>
-		public static string GetCachePackageVersionFilePath(string packageName)
-		{
-			string fileName = YooAssetSettingsData.GetPackageVersionFileName(packageName);
-			return MakePersistentLoadPath(ManifestFolderName, fileName);
-		}
-
-		/// <summary>
-		/// 保存默认的包裹版本
-		/// </summary>
-		public static void SaveCachePackageVersionFile(string packageName, string version)
-		{
-			string filePath = GetCachePackageVersionFilePath(packageName);
-			FileUtility.WriteAllText(filePath, version);
-		}
 	}
 }

Assets/YooAsset/Runtime/CacheSystem/VerifyElement.cs

@@ -5,7 +5,7 @@ namespace YooAsset
 	/// <summary>
 	/// 缓存文件验证元素
 	/// </summary>
-	internal class VerifyCacheElement
+	internal class VerifyCacheFileElement
 	{
 		public string PackageName { private set; get; }
 		public string CacheGUID { private set; get; }
@@ -17,7 +17,7 @@ namespace YooAsset
 		public string DataFileCRC;
 		public long DataFileSize;
 
-		public VerifyCacheElement(string packageName, string cacheGUID, string fileRootPath, string dataFilePath, string infoFilePath)
+		public VerifyCacheFileElement(string packageName, string cacheGUID, string fileRootPath, string dataFilePath, string infoFilePath)
 		{
 			PackageName = packageName;
 			CacheGUID = cacheGUID;
@@ -43,7 +43,7 @@ namespace YooAsset
 	/// <summary>
 	/// 下载文件验证元素
 	/// </summary>
-	internal class VerifyTempElement
+	internal class VerifyTempFileElement
 	{
 		public string TempDataFilePath { private set; get; }
 		public string FileCRC { private set; get; }
@@ -51,7 +51,7 @@ namespace YooAsset
 
 		public int Result = 0; // 注意：原子操作对象
 
-		public VerifyTempElement(string tempDataFilePath, string fileCRC, long fileSize)
+		public VerifyTempFileElement(string tempDataFilePath, string fileCRC, long fileSize)
 		{
 			TempDataFilePath = tempDataFilePath;
 			FileCRC = fileCRC;

Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs

@@ -32,6 +32,11 @@ namespace YooAsset
 		/// </summary>
 		public static CertificateHandler CertificateHandlerInstance = null;
 
+		/// <summary>
+		/// 网络重定向次数
+		/// </summary>
+		public static int RedirectLimit { set; get; } = -1;
+
 		/// <summary>
 		/// 启用断点续传功能文件的最小字节数
 		/// </summary>
@@ -93,34 +98,49 @@ namespace YooAsset
 
 
 		/// <summary>
-		/// 开始下载资源文件
-		/// 注意：只有第一次请求的参数才是有效的
+		/// 创建下载器
+		/// 注意：只有第一次请求的参数才有效
 		/// </summary>
-		public static DownloaderBase BeginDownload(BundleInfo bundleInfo, int failedTryAgain, int timeout = 60)
+		public static DownloaderBase CreateDownload(BundleInfo bundleInfo, int failedTryAgain, int timeout = 60)
 		{
 			// 查询存在的下载器
 			if (_downloaderDic.TryGetValue(bundleInfo.Bundle.CachedDataFilePath, out var downloader))
-			{
 				return downloader;
-			}
 
 			// 如果资源已经缓存
 			if (CacheSystem.IsCached(bundleInfo.Bundle.PackageName, bundleInfo.Bundle.CacheGUID))
 			{
-				var tempDownloader = new TempDownloader(bundleInfo);
-				return tempDownloader;
+				var completedDownloader = new CompletedDownloader(bundleInfo);
+				return completedDownloader;
 			}
 
 			// 创建新的下载器	
+			YooLogger.Log($"Beginning to download bundle : {bundleInfo.Bundle.BundleName} URL : {bundleInfo.RemoteMainURL}");
+#if UNITY_WEBGL
+			if (bundleInfo.Bundle.IsRawFile)
 			{
-				YooLogger.Log($"Beginning to download file : {bundleInfo.Bundle.FileName} URL : {bundleInfo.RemoteMainURL}");
 				FileUtility.CreateFileDirectory(bundleInfo.Bundle.CachedDataFilePath);
-				bool breakDownload = bundleInfo.Bundle.FileSize >= BreakpointResumeFileSize;
-				DownloaderBase newDownloader = new FileDownloader(bundleInfo, breakDownload);
-				newDownloader.SendRequest(failedTryAgain, timeout);
+				DownloaderBase newDownloader = new FileGeneralDownloader(bundleInfo, failedTryAgain, timeout);
 				_downloaderDic.Add(bundleInfo.Bundle.CachedDataFilePath, newDownloader);
 				return newDownloader;
 			}
+			else
+			{
+				WebDownloader newDownloader = new WebDownloader(bundleInfo, failedTryAgain, timeout);
+				_downloaderDic.Add(bundleInfo.Bundle.CachedDataFilePath, newDownloader);
+				return newDownloader;
+			}
+#else
+			FileUtility.CreateFileDirectory(bundleInfo.Bundle.CachedDataFilePath);
+			bool resumeDownload = bundleInfo.Bundle.FileSize >= BreakpointResumeFileSize;
+			DownloaderBase newDownloader;
+			if (resumeDownload)
+				newDownloader = new FileResumeDownloader(bundleInfo, failedTryAgain, timeout);
+			else
+				newDownloader = new FileGeneralDownloader(bundleInfo, failedTryAgain, timeout);
+			_downloaderDic.Add(bundleInfo.Bundle.CachedDataFilePath, newDownloader);
+			return newDownloader;
+#endif
 		}
 
 		/// <summary>
@@ -128,11 +148,29 @@ namespace YooAsset
 		/// </summary>
 		public static UnityWebRequest NewRequest(string requestURL)
 		{
+			UnityWebRequest webRequest;
 			if (RequestDelegate != null)
-				return RequestDelegate.Invoke(requestURL);
+				webRequest = RequestDelegate.Invoke(requestURL);
+			else
+				webRequest = new UnityWebRequest(requestURL, UnityWebRequest.kHttpVerbGET);
 
-			var request = new UnityWebRequest(requestURL, UnityWebRequest.kHttpVerbGET);
-			return request;
+			SetUnityWebRequestParam(webRequest);
+			return webRequest;
+		}
+
+		/// <summary>
+		/// 设置网络请求的自定义参数
+		/// </summary>
+		private static void SetUnityWebRequestParam(UnityWebRequest webRequest)
+		{
+			if (RedirectLimit >= 0)
+				webRequest.redirectLimit = RedirectLimit;
+
+			if (CertificateHandlerInstance != null)
+			{
+				webRequest.certificateHandler = CertificateHandlerInstance;
+				webRequest.disposeCertificateHandlerOnDispose = false;
+			}
 		}
 
 		/// <summary>

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

@@ -0,0 +1,23 @@
+
+namespace YooAsset
+{
+	internal sealed class CompletedDownloader : DownloaderBase
+	{
+		public CompletedDownloader(BundleInfo bundleInfo) : base(bundleInfo, 0, 0)
+		{
+			_downloadProgress = 1f;
+			_downloadedBytes = (ulong)bundleInfo.Bundle.FileSize;
+			_status = EStatus.Succeed;
+		}
+
+		public override void SendRequest(params object[] param)
+		{
+		}
+		public override void Update()
+		{
+		}
+		public override void Abort()
+		{
+		}
+	}
+}

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

@@ -1,39 +1,41 @@
-
+using System.IO;
+using UnityEngine;
+using UnityEngine.Networking;
+
 namespace YooAsset
 {
 	internal abstract class DownloaderBase
 	{
-		protected enum ESteps
+		public enum EStatus
 		{
-			None,
-			CheckTempFile,
-			WaitingCheckTempFile,
-			PrepareDownload,
-			CreateResumeDownloader,
-			CreateGeneralDownloader,
-			CheckDownload,
-			VerifyTempFile,
-			WaitingVerifyTempFile,
-			CachingFile,
-			TryAgain,
+			None = 0,
 			Succeed,
-			Failed,
+			Failed
 		}
 
 		protected readonly BundleInfo _bundleInfo;
-
-		protected ESteps _steps = ESteps.None;
-
-		protected int _timeout;
+		protected readonly int _timeout;
 		protected int _failedTryAgain;
-		protected int _requestCount;
-		protected string _requestURL;
 
+		protected UnityWebRequest _webRequest;
+		protected EStatus _status = EStatus.None;
 		protected string _lastError = string.Empty;
 		protected long _lastCode = 0;
+
+		// 请求次数
+		protected int _requestCount = 0;
+		protected string _requestURL;
+
+		// 下载进度
 		protected float _downloadProgress = 0f;
 		protected ulong _downloadedBytes = 0;
 
+		// 超时相关
+		protected bool _isAbort = false;
+		protected ulong _latestDownloadBytes;
+		protected float _latestDownloadRealtime;
+		protected float _tryAgainTimer;
+
 		/// <summary>
 		/// 是否等待异步结束
 		/// 警告：只能用于解压APP内部资源
@@ -57,41 +59,31 @@ namespace YooAsset
 		}
 
 
-		public DownloaderBase(BundleInfo bundleInfo)
+		public DownloaderBase(BundleInfo bundleInfo, int failedTryAgain, int timeout)
 		{
 			_bundleInfo = bundleInfo;
+			_failedTryAgain = failedTryAgain;
+			_timeout = timeout;
 		}
-		public void SendRequest(int failedTryAgain, int timeout)
-		{
-			if (_steps == ESteps.None)
-			{
-				_failedTryAgain = failedTryAgain;
-				_timeout = timeout;
-				_steps = ESteps.CheckTempFile;
-			}
-		}
+		public abstract void SendRequest(params object[] param);
 		public abstract void Update();
 		public abstract void Abort();
 
 		/// <summary>
-		/// 获取网络请求地址
+		/// 获取下载文件的大小
 		/// </summary>
-		protected string GetRequestURL()
+		/// <returns></returns>
+		public long GetDownloadFileSize()
 		{
-			// 轮流返回请求地址
-			_requestCount++;
-			if (_requestCount % 2 == 0)
-				return _bundleInfo.RemoteFallbackURL;
-			else
-				return _bundleInfo.RemoteMainURL;
+			return _bundleInfo.Bundle.FileSize;
 		}
 
 		/// <summary>
-		/// 获取资源包信息
+		/// 获取下载文件的资源包名
 		/// </summary>
-		public BundleInfo GetBundleInfo()
+		public string GetDownloadBundleName()
 		{
-			return _bundleInfo;
+			return _bundleInfo.Bundle.BundleName;
 		}
 
 		/// <summary>
@@ -99,7 +91,7 @@ namespace YooAsset
 		/// </summary>
 		public bool IsDone()
 		{
-			return _steps == ESteps.Succeed || _steps == ESteps.Failed;
+			return _status == EStatus.Succeed || _status == EStatus.Failed;
 		}
 
 		/// <summary>
@@ -107,7 +99,7 @@ namespace YooAsset
 		/// </summary>
 		public bool HasError()
 		{
-			return _steps == ESteps.Failed;
+			return _status == EStatus.Failed;
 		}
 
 		/// <summary>
@@ -133,5 +125,69 @@ namespace YooAsset
 		{
 			return $"Failed to download : {_requestURL} Error : {_lastError} Code : {_lastCode}";
 		}
+
+
+		/// <summary>
+		/// 获取网络请求地址
+		/// </summary>
+		protected string GetRequestURL()
+		{
+			// 轮流返回请求地址
+			_requestCount++;
+			if (_requestCount % 2 == 0)
+				return _bundleInfo.RemoteFallbackURL;
+			else
+				return _bundleInfo.RemoteMainURL;
+		}
+
+		/// <summary>
+		/// 超时判定方法
+		/// </summary>
+		protected void CheckTimeout()
+		{
+			// 注意：在连续时间段内无新增下载数据及判定为超时
+			if (_isAbort == false)
+			{
+				if (_latestDownloadBytes != DownloadedBytes)
+				{
+					_latestDownloadBytes = DownloadedBytes;
+					_latestDownloadRealtime = Time.realtimeSinceStartup;
+				}
+
+				float offset = Time.realtimeSinceStartup - _latestDownloadRealtime;
+				if (offset > _timeout)
+				{
+					YooLogger.Warning($"Web file request timeout : {_requestURL}");
+					_webRequest.Abort();
+					_isAbort = true;
+				}
+			}
+		}
+
+		/// <summary>
+		/// 缓存下载文件
+		/// </summary>
+		protected void CachingFile(string tempFilePath)
+		{
+			string infoFilePath = _bundleInfo.Bundle.CachedInfoFilePath;
+			string dataFilePath = _bundleInfo.Bundle.CachedDataFilePath;
+			string dataFileCRC = _bundleInfo.Bundle.FileCRC;
+			long dataFileSize = _bundleInfo.Bundle.FileSize;
+
+			if (File.Exists(infoFilePath))
+				File.Delete(infoFilePath);
+			if (File.Exists(dataFilePath))
+				File.Delete(dataFilePath);
+
+			FileInfo fileInfo = new FileInfo(tempFilePath);
+			fileInfo.MoveTo(dataFilePath);
+
+			// 写入信息文件记录验证数据
+			CacheFileInfo.WriteInfoToFile(infoFilePath, dataFileCRC, dataFileSize);
+
+			// 记录缓存文件
+			var wrapper = new PackageCache.RecordWrapper(infoFilePath, dataFilePath, dataFileCRC, dataFileSize);
+			CacheSystem.RecordFile(_bundleInfo.Bundle.PackageName, _bundleInfo.Bundle.CacheGUID, wrapper);
+		}
 	}
 }

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

@@ -0,0 +1,225 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using UnityEngine;
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+	/// <summary>
+	/// 普通的下载器
+	/// </summary>
+	internal sealed class FileGeneralDownloader : DownloaderBase
+	{
+		private enum ESteps
+		{
+			None,
+			PrepareDownload,
+			CreateDownloader,
+			CheckDownload,
+			VerifyTempFile,
+			WaitingVerifyTempFile,
+			CachingFile,
+			TryAgain,
+			Done,
+		}
+
+		private readonly string _tempFilePath;
+		private VerifyTempFileOperation _verifyFileOp = null;
+		private ESteps _steps = ESteps.None;
+
+
+		public FileGeneralDownloader(BundleInfo bundleInfo, int failedTryAgain, int timeout) : base(bundleInfo, failedTryAgain, timeout)
+		{
+			_tempFilePath = bundleInfo.Bundle.TempDataFilePath;
+		}
+		public override void SendRequest(params object[] param)
+		{
+			if (_steps == ESteps.None)
+			{
+				_steps = ESteps.PrepareDownload;
+			}
+		}
+		public override void Update()
+		{
+			if (_steps == ESteps.None)
+				return;
+			if (IsDone())
+				return;
+
+			// 准备下载
+			if (_steps == ESteps.PrepareDownload)
+			{
+				// 重置变量
+				_downloadProgress = 0f;
+				_downloadedBytes = 0;
+
+				// 重置变量
+				_isAbort = false;
+				_latestDownloadBytes = 0;
+				_latestDownloadRealtime = Time.realtimeSinceStartup;
+				_tryAgainTimer = 0f;
+
+				// 删除临时文件
+				if (File.Exists(_tempFilePath))
+					File.Delete(_tempFilePath);
+
+				// 获取请求地址
+				_requestURL = GetRequestURL();
+				_steps = ESteps.CreateDownloader;
+			}
+
+			// 创建下载器
+			if (_steps == ESteps.CreateDownloader)
+			{
+				_webRequest = DownloadSystem.NewRequest(_requestURL);
+				DownloadHandlerFile handler = new DownloadHandlerFile(_tempFilePath);
+				handler.removeFileOnAbort = true;
+				_webRequest.downloadHandler = handler;
+				_webRequest.disposeDownloadHandlerOnDispose = true;
+				_webRequest.SendWebRequest();
+				_steps = ESteps.CheckDownload;
+			}
+
+			// 检测下载结果
+			if (_steps == ESteps.CheckDownload)
+			{
+				_downloadProgress = _webRequest.downloadProgress;
+				_downloadedBytes = _webRequest.downloadedBytes;
+				if (_webRequest.isDone == false)
+				{
+					CheckTimeout();
+					return;
+				}
+
+				bool hasError = false;
+
+				// 检查网络错误
+#if UNITY_2020_3_OR_NEWER
+				if (_webRequest.result != UnityWebRequest.Result.Success)
+				{
+					hasError = true;
+					_lastError = _webRequest.error;
+					_lastCode = _webRequest.responseCode;
+				}
+#else
+				if (_webRequest.isNetworkError || _webRequest.isHttpError)
+				{
+					hasError = true;
+					_lastError = _webRequest.error;
+					_lastCode = _webRequest.responseCode;
+				}
+#endif
+
+				// 如果网络异常
+				if (hasError)
+				{
+					// 下载失败之后删除文件
+					if (File.Exists(_tempFilePath))
+						File.Delete(_tempFilePath);
+
+					_steps = ESteps.TryAgain;
+				}
+				else
+				{
+					_steps = ESteps.VerifyTempFile;
+				}
+
+				// 最终释放下载器
+				DisposeWebRequest();
+			}
+
+			// 验证下载文件
+			if (_steps == ESteps.VerifyTempFile)
+			{
+				VerifyTempFileElement element = new VerifyTempFileElement(_bundleInfo.Bundle.TempDataFilePath, _bundleInfo.Bundle.FileCRC, _bundleInfo.Bundle.FileSize);
+				_verifyFileOp = VerifyTempFileOperation.CreateOperation(element);
+				OperationSystem.StartOperation(_verifyFileOp);
+				_steps = ESteps.WaitingVerifyTempFile;
+			}
+
+			// 等待验证完成
+			if (_steps == ESteps.WaitingVerifyTempFile)
+			{
+				if (WaitForAsyncComplete)
+					_verifyFileOp.Update();
+
+				if (_verifyFileOp.IsDone == false)
+					return;
+
+				if (_verifyFileOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.CachingFile;
+				}
+				else
+				{
+					if (File.Exists(_tempFilePath))
+						File.Delete(_tempFilePath);
+
+					_lastError = _verifyFileOp.Error;
+					_steps = ESteps.TryAgain;
+				}
+			}
+
+			// 缓存下载文件
+			if (_steps == ESteps.CachingFile)
+			{
+				try
+				{
+					CachingFile(_tempFilePath);
+					_status = EStatus.Succeed;
+					_steps = ESteps.Done;
+					_lastError = string.Empty;
+					_lastCode = 0;
+				}
+				catch (Exception e)
+				{
+					_lastError = e.Message;
+					_steps = ESteps.TryAgain;
+				}
+			}
+
+			// 重新尝试下载
+			if (_steps == ESteps.TryAgain)
+			{
+				if (_failedTryAgain <= 0)
+				{
+					ReportError();
+					_status = EStatus.Failed;
+					_steps = ESteps.Done;
+					return;
+				}
+
+				_tryAgainTimer += Time.unscaledDeltaTime;
+				if (_tryAgainTimer > 1f)
+				{
+					_failedTryAgain--;
+					_steps = ESteps.PrepareDownload;
+					ReportWarning();
+					YooLogger.Warning($"Try again download : {_requestURL}");
+				}
+			}
+		}
+		public override void Abort()
+		{
+			if (IsDone() == false)
+			{
+				_status = EStatus.Failed;
+				_steps = ESteps.Done;
+				_lastError = "user abort";
+				_lastCode = 0;
+				DisposeWebRequest();
+			}
+		}
+
+		private void DisposeWebRequest()
+		{
+			if (_webRequest != null)
+			{
+				_webRequest.Dispose();
+				_webRequest = null;
+			}
+		}
+	}
+}

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

@@ -7,28 +7,47 @@ using UnityEngine.Networking;
 
 namespace YooAsset
 {
-	internal sealed class FileDownloader : DownloaderBase
+	/// <summary>
+	/// 断点续传下载器
+	/// </summary>
+	internal sealed class FileResumeDownloader : DownloaderBase
 	{
-		private readonly bool _breakResume;
+		private enum ESteps
+		{
+			None,
+			CheckTempFile,
+			WaitingCheckTempFile,
+			PrepareDownload,
+			CreateDownloader,
+			CheckDownload,
+			VerifyTempFile,
+			WaitingVerifyTempFile,
+			CachingFile,
+			TryAgain,
+			Done,
+		}
+
 		private readonly string _tempFilePath;
-		private UnityWebRequest _webRequest = null;
 		private DownloadHandlerFileRange _downloadHandle = null;
 		private VerifyTempFileOperation _checkFileOp = null;
 		private VerifyTempFileOperation _verifyFileOp = null;
+		private ESteps _steps = ESteps.None;
 
 		// 重置变量
-		private bool _isAbort = false;
 		private ulong _fileOriginLength;
-		private ulong _latestDownloadBytes;
-		private float _latestDownloadRealtime;
-		private float _tryAgainTimer;
 
 
-		public FileDownloader(BundleInfo bundleInfo, bool breakResume) : base(bundleInfo)
+		public FileResumeDownloader(BundleInfo bundleInfo, int failedTryAgain, int timeout) : base(bundleInfo, failedTryAgain, timeout)
 		{
-			_breakResume = breakResume;
 			_tempFilePath = bundleInfo.Bundle.TempDataFilePath;
 		}
+		public override void SendRequest(params object[] param)
+		{
+			if (_steps == ESteps.None)
+			{
+				_steps = ESteps.CheckTempFile;
+			}
+		}
 		public override void Update()
 		{
 			if (_steps == ESteps.None)
@@ -39,7 +58,7 @@ namespace YooAsset
 			// 检测临时文件
 			if (_steps == ESteps.CheckTempFile)
 			{
-				VerifyTempElement element = new VerifyTempElement(_bundleInfo.Bundle.TempDataFilePath, _bundleInfo.Bundle.FileCRC, _bundleInfo.Bundle.FileSize);
+				VerifyTempFileElement element = new VerifyTempFileElement(_bundleInfo.Bundle.TempDataFilePath, _bundleInfo.Bundle.FileCRC, _bundleInfo.Bundle.FileSize);
 				_checkFileOp = VerifyTempFileOperation.CreateOperation(element);
 				OperationSystem.StartOperation(_checkFileOp);
 				_steps = ESteps.WaitingCheckTempFile;
@@ -75,45 +94,21 @@ namespace YooAsset
 				// 重置变量
 				_downloadProgress = 0f;
 				_downloadedBytes = 0;
+
+				// 重置变量
 				_isAbort = false;
-				_fileOriginLength = 0;
 				_latestDownloadBytes = 0;
 				_latestDownloadRealtime = Time.realtimeSinceStartup;
 				_tryAgainTimer = 0f;
+				_fileOriginLength = 0;
 
 				// 获取请求地址
 				_requestURL = GetRequestURL();
-
-				if (_breakResume)
-					_steps = ESteps.CreateResumeDownloader;
-				else
-					_steps = ESteps.CreateGeneralDownloader;
+				_steps = ESteps.CreateDownloader;
 			}
 
-			// 创建普通的下载器
-			if (_steps == ESteps.CreateGeneralDownloader)
-			{
-				if (File.Exists(_tempFilePath))
-					File.Delete(_tempFilePath);
-
-				_webRequest = DownloadSystem.NewRequest(_requestURL);
-				DownloadHandlerFile handler = new DownloadHandlerFile(_tempFilePath);
-				handler.removeFileOnAbort = true;
-				_webRequest.downloadHandler = handler;
-				_webRequest.disposeDownloadHandlerOnDispose = true;
-
-				if (DownloadSystem.CertificateHandlerInstance != null)
-				{
-					_webRequest.certificateHandler = DownloadSystem.CertificateHandlerInstance;
-					_webRequest.disposeCertificateHandlerOnDispose = false;
-				}
-
-				_webRequest.SendWebRequest();
-				_steps = ESteps.CheckDownload;
-			}
-
-			// 创建断点续传下载器
-			if (_steps == ESteps.CreateResumeDownloader)
+			// 创建下载器
+			if (_steps == ESteps.CreateDownloader)
 			{
 				long fileLength = -1;
 				if (File.Exists(_tempFilePath))
@@ -137,13 +132,6 @@ namespace YooAsset
 				_webRequest.disposeDownloadHandlerOnDispose = true;
 				if (fileLength > 0)
 					_webRequest.SetRequestHeader("Range", $"bytes={fileLength}-");
-
-				if (DownloadSystem.CertificateHandlerInstance != null)
-				{
-					_webRequest.certificateHandler = DownloadSystem.CertificateHandlerInstance;
-					_webRequest.disposeCertificateHandlerOnDispose = false;
-				}
-
 				_webRequest.SendWebRequest();
 				_steps = ESteps.CheckDownload;
 			}
@@ -181,24 +169,15 @@ namespace YooAsset
 				// 如果网络异常
 				if (hasError)
 				{
-					if (_breakResume)
+					// 注意：下载断点续传文件发生特殊错误码之后删除文件
+					if (DownloadSystem.ClearFileResponseCodes != null)
 					{
-						// 注意：下载断点续传文件发生特殊错误码之后删除文件
-						if (DownloadSystem.ClearFileResponseCodes != null)
+						if (DownloadSystem.ClearFileResponseCodes.Contains(_webRequest.responseCode))
 						{
-							if (DownloadSystem.ClearFileResponseCodes.Contains(_webRequest.responseCode))
-							{
-								if (File.Exists(_tempFilePath))
-									File.Delete(_tempFilePath);
-							}
+							if (File.Exists(_tempFilePath))
+								File.Delete(_tempFilePath);
 						}
 					}
-					else
-					{
-						// 注意：非断点续传下载失败之后删除文件
-						if (File.Exists(_tempFilePath))
-							File.Delete(_tempFilePath);
-					}
 
 					_steps = ESteps.TryAgain;
 				}
@@ -207,14 +186,14 @@ namespace YooAsset
 					_steps = ESteps.VerifyTempFile;
 				}
 
-				// 释放下载器
+				// 最终释放下载器
 				DisposeWebRequest();
 			}
 
 			// 验证下载文件
 			if (_steps == ESteps.VerifyTempFile)
 			{
-				VerifyTempElement element = new VerifyTempElement(_bundleInfo.Bundle.TempDataFilePath, _bundleInfo.Bundle.FileCRC, _bundleInfo.Bundle.FileSize);
+				VerifyTempFileElement element = new VerifyTempFileElement(_bundleInfo.Bundle.TempDataFilePath, _bundleInfo.Bundle.FileCRC, _bundleInfo.Bundle.FileSize);
 				_verifyFileOp = VerifyTempFileOperation.CreateOperation(element);
 				OperationSystem.StartOperation(_verifyFileOp);
 				_steps = ESteps.WaitingVerifyTempFile;
@@ -248,29 +227,11 @@ namespace YooAsset
 			{
 				try
 				{
-					string infoFilePath = _bundleInfo.Bundle.CachedInfoFilePath;
-					string dataFilePath = _bundleInfo.Bundle.CachedDataFilePath;
-					string dataFileCRC = _bundleInfo.Bundle.FileCRC;
-					long dataFileSize = _bundleInfo.Bundle.FileSize;
-
-					if (File.Exists(infoFilePath))
-						File.Delete(infoFilePath);
-					if (File.Exists(dataFilePath))
-						File.Delete(dataFilePath);
-
-					FileInfo fileInfo = new FileInfo(_tempFilePath);
-					fileInfo.MoveTo(dataFilePath);
-
-					// 写入信息文件记录验证数据
-					CacheFileInfo.WriteInfoToFile(infoFilePath, dataFileCRC, dataFileSize);
-
-					// 记录缓存文件
-					var wrapper = new PackageCache.RecordWrapper(infoFilePath, dataFilePath, dataFileCRC, dataFileSize);
-					CacheSystem.RecordFile(_bundleInfo.Bundle.PackageName, _bundleInfo.Bundle.CacheGUID, wrapper);
-
+					CachingFile(_tempFilePath);
+					_status = EStatus.Succeed;
+					_steps = ESteps.Done;
 					_lastError = string.Empty;
 					_lastCode = 0;
-					_steps = ESteps.Succeed;
 				}
 				catch (Exception e)
 				{
@@ -285,7 +246,8 @@ namespace YooAsset
 				if (_failedTryAgain <= 0)
 				{
 					ReportError();
-					_steps = ESteps.Failed;
+					_status = EStatus.Failed;
+					_steps = ESteps.Done;
 					return;
 				}
 
@@ -303,33 +265,14 @@ namespace YooAsset
 		{
 			if (IsDone() == false)
 			{
-				_steps = ESteps.Failed;
+				_status = EStatus.Failed;
+				_steps = ESteps.Done;
 				_lastError = "user abort";
 				_lastCode = 0;
 				DisposeWebRequest();
 			}
 		}
 
-		private void CheckTimeout()
-		{
-			// 注意：在连续时间段内无新增下载数据及判定为超时
-			if (_isAbort == false)
-			{
-				if (_latestDownloadBytes != DownloadedBytes)
-				{
-					_latestDownloadBytes = DownloadedBytes;
-					_latestDownloadRealtime = Time.realtimeSinceStartup;
-				}
-
-				float offset = Time.realtimeSinceStartup - _latestDownloadRealtime;
-				if (offset > _timeout)
-				{
-					YooLogger.Warning($"Web file request timeout : {_requestURL}");
-					_webRequest.Abort();
-					_isAbort = true;
-				}
-			}
-		}
 		private void DisposeWebRequest()
 		{
 			if (_downloadHandle != null)

Assets/YooAsset/Runtime/DownloadSystem/Downloader/FileResumeDownloader.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: a439c9a8f36dcc942b92a8e8af927237
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -1,20 +0,0 @@
-
-namespace YooAsset
-{
-	internal sealed class TempDownloader : DownloaderBase
-	{
-		public TempDownloader(BundleInfo bundleInfo) : base(bundleInfo)
-		{
-			_downloadProgress = 1f;
-			_downloadedBytes = (ulong)bundleInfo.Bundle.FileSize;
-			_steps = ESteps.Succeed;
-		}
-
-		public override void Update()
-		{
-		}
-		public override void Abort()
-		{
-		}
-	}
-}

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

@@ -0,0 +1,209 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using UnityEngine;
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+	internal sealed class WebDownloader : DownloaderBase
+	{
+		private enum ESteps
+		{
+			None,
+			PrepareDownload,
+			CreateDownloader,
+			CheckDownload,
+			VerifyTempFile,
+			WaitingVerifyTempFile,
+			CachingFile,
+			TryAgain,
+			Done,
+		}
+
+		private bool _keepDownloadHandleLife = false;
+		private DownloadHandlerAssetBundle _downloadhandler;
+		private ESteps _steps = ESteps.None;
+
+
+		public WebDownloader(BundleInfo bundleInfo, int failedTryAgain, int timeout) : base(bundleInfo, failedTryAgain, timeout)
+		{
+		}
+		public override void SendRequest(params object[] param)
+		{
+			if (_steps == ESteps.None)
+			{
+				_keepDownloadHandleLife = (bool)param[0];
+				_steps = ESteps.PrepareDownload;
+			}
+		}
+		public override void Update()
+		{
+			if (_steps == ESteps.None)
+				return;
+			if (IsDone())
+				return;
+
+			// 创建下载器
+			if (_steps == ESteps.PrepareDownload)
+			{
+				// 重置变量
+				_downloadProgress = 0f;
+				_downloadedBytes = 0;
+
+				// 重置变量
+				_isAbort = false;
+				_latestDownloadBytes = 0;
+				_latestDownloadRealtime = Time.realtimeSinceStartup;
+				_tryAgainTimer = 0f;
+
+				// 获取请求地址
+				_requestURL = GetRequestURL();
+				_steps = ESteps.CreateDownloader;
+			}
+
+			// 创建下载器
+			if (_steps == ESteps.CreateDownloader)
+			{
+				_webRequest = DownloadSystem.NewRequest(_requestURL);
+
+				if (CacheSystem.DisableUnityCacheOnWebGL)
+				{
+					uint crc = _bundleInfo.Bundle.UnityCRC;
+					_downloadhandler = new DownloadHandlerAssetBundle(_requestURL, crc);
+					_downloadhandler.autoLoadAssetBundle = false;
+				}
+				else
+				{
+					uint crc = _bundleInfo.Bundle.UnityCRC;
+					var hash = Hash128.Parse(_bundleInfo.Bundle.FileHash);
+					_downloadhandler = new DownloadHandlerAssetBundle(_requestURL, hash, crc);
+					_downloadhandler.autoLoadAssetBundle = false;
+				}
+
+				_webRequest.downloadHandler = _downloadhandler;
+				_webRequest.disposeDownloadHandlerOnDispose = false;
+				_webRequest.SendWebRequest();
+				_steps = ESteps.CheckDownload;
+			}
+
+			// 检测下载结果
+			if (_steps == ESteps.CheckDownload)
+			{
+				_downloadProgress = _webRequest.downloadProgress;
+				_downloadedBytes = _webRequest.downloadedBytes;
+				if (_webRequest.isDone == false)
+				{
+					CheckTimeout();
+					return;
+				}
+
+				bool hasError = false;
+
+				// 检查网络错误
+#if UNITY_2020_3_OR_NEWER
+				if (_webRequest.result != UnityWebRequest.Result.Success)
+				{
+					hasError = true;
+					_lastError = _webRequest.error;
+					_lastCode = _webRequest.responseCode;
+				}
+#else
+				if (_webRequest.isNetworkError || _webRequest.isHttpError)
+				{
+					hasError = true;
+					_lastError = _webRequest.error;
+					_lastCode = _webRequest.responseCode;
+				}
+#endif
+
+				// 如果网络异常
+				if (hasError)
+				{
+					_steps = ESteps.TryAgain;
+				}
+				else
+				{
+					_status = EStatus.Succeed;
+					_steps = ESteps.Done;
+					_lastError = string.Empty;
+					_lastCode = 0;
+				}
+
+				// 最终释放请求
+				DisposeRequest();
+
+				if (_keepDownloadHandleLife == false)
+					DisposeHandler();
+			}
+
+			// 重新尝试下载
+			if (_steps == ESteps.TryAgain)
+			{
+				if (_failedTryAgain <= 0)
+				{
+					DisposeRequest();
+					DisposeHandler();
+					ReportError();
+					_status = EStatus.Failed;
+					_steps = ESteps.Done;
+					return;
+				}
+
+				_tryAgainTimer += Time.unscaledDeltaTime;
+				if (_tryAgainTimer > 1f)
+				{
+					_failedTryAgain--;
+					_steps = ESteps.PrepareDownload;
+					ReportWarning();
+					YooLogger.Warning($"Try again download : {_requestURL}");
+				}
+			}
+		}
+		public override void Abort()
+		{
+			if (IsDone() == false)
+			{
+				_status = EStatus.Failed;
+				_steps = ESteps.Done;
+				_lastError = "user abort";
+				_lastCode = 0;
+	
+				DisposeRequest();
+				DisposeHandler();
+			}
+		}
+		private void DisposeRequest()
+		{
+			if (_webRequest != null)
+			{
+				_webRequest.Dispose();
+				_webRequest = null;
+			}
+		}
+
+		/// <summary>
+		/// 获取资源包
+		/// </summary>
+		public AssetBundle GetAssetBundle()
+		{
+			if (_downloadhandler != null)
+				return _downloadhandler.assetBundle;
+
+			return null;
+		}
+
+		/// <summary>
+		/// 释放下载句柄
+		/// </summary>
+		public void DisposeHandler()
+		{
+			if (_downloadhandler != null)
+			{
+				_downloadhandler.Dispose();
+				_downloadhandler = null;
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/DownloadSystem/Downloader/WebDownloader.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 41bc4bc56f59ddb4b8925f9536bbbfbc
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/DownloadSystem/UnityWebDataRequester.cs

@@ -2,38 +2,26 @@
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine.Networking;
+using UnityEngine;
 
 namespace YooAsset
 {
-	/// <summary>
-	/// 下载器
-	/// 说明：UnityWebRequest(UWR) supports reading streaming assets since 2017.1
-	/// </summary>
-	internal class UnityWebDataRequester
+	internal class UnityWebDataRequester : UnityWebRequesterBase
 	{
-		private UnityWebRequest _webRequest;
-		private UnityWebRequestAsyncOperation _operationHandle;
-
-		/// <summary>
-		/// 请求URL地址
-		/// </summary>
-		public string URL { private set; get; }
-
-
 		/// <summary>
 		/// 发送GET请求
 		/// </summary>
-		/// <param name="timeout">超时：从请求开始计时</param>
-		public void SendRequest(string url, int timeout = 0)
+		public void SendRequest(string url, int timeout = 60)
 		{
 			if (_webRequest == null)
 			{
 				URL = url;
+				ResetTimeout(timeout);
+
 				_webRequest = DownloadSystem.NewRequest(URL);
 				DownloadHandlerBuffer handler = new DownloadHandlerBuffer();
 				_webRequest.downloadHandler = handler;
 				_webRequest.disposeDownloadHandlerOnDispose = true;
-				_webRequest.timeout = timeout;
 				_operationHandle = _webRequest.SendWebRequest();
 			}
 		}
@@ -59,65 +47,5 @@ namespace YooAsset
 			else
 				return null;
 		}
-
-		/// <summary>
-		/// 释放下载器
-		/// </summary>
-		public void Dispose()
-		{
-			if (_webRequest != null)
-			{
-				_webRequest.Dispose();
-				_webRequest = null;
-				_operationHandle = null;
-			}
-		}
-
-		/// <summary>
-		/// 是否完毕（无论成功失败）
-		/// </summary>
-		public bool IsDone()
-		{
-			if (_operationHandle == null)
-				return false;
-			return _operationHandle.isDone;
-		}
-
-		/// <summary>
-		/// 下载进度
-		/// </summary>
-		public float Progress()
-		{
-			if (_operationHandle == null)
-				return 0;
-			return _operationHandle.progress;
-		}
-
-		/// <summary>
-		/// 下载是否发生错误
-		/// </summary>
-		public bool HasError()
-		{
-#if UNITY_2020_3_OR_NEWER
-			return _webRequest.result != UnityWebRequest.Result.Success;
-#else
-			if (_webRequest.isNetworkError || _webRequest.isHttpError)
-				return true;
-			else
-				return false;
-#endif
-		}
-
-		/// <summary>
-		/// 获取错误信息
-		/// </summary>
-		public string GetError()
-		{
-			if (_webRequest != null)
-			{
-				return $"URL : {URL} Error : {_webRequest.error}";
-			}
-			return string.Empty;
-		}
 	}
 }

Assets/YooAsset/Runtime/DownloadSystem/UnityWebFileRequester.cs

@@ -6,129 +6,25 @@ using UnityEngine;
 
 namespace YooAsset
 {
-	/// <summary>
-	/// 下载器
-	/// 说明：UnityWebRequest(UWR) supports reading streaming assets since 2017.1
-	/// </summary>
-	internal class UnityWebFileRequester
+	internal class UnityWebFileRequester : UnityWebRequesterBase
 	{
-		private UnityWebRequest _webRequest;
-		private UnityWebRequestAsyncOperation _operationHandle;
-
-		// 超时相关
-		private float _timeout;
-		private bool _isAbort = false;
-		private ulong _latestDownloadBytes;
-		private float _latestDownloadRealtime;
-
-		/// <summary>
-		/// 请求URL地址
-		/// </summary>
-		public string URL { private set; get; }
-
-
 		/// <summary>
 		/// 发送GET请求
 		/// </summary>
-		public void SendRequest(string url, string savePath, float timeout = 60)
+		public void SendRequest(string url, string fileSavePath, int timeout = 60)
 		{
 			if (_webRequest == null)
 			{
 				URL = url;
-				_timeout = timeout;
-				_latestDownloadBytes = 0;
-				_latestDownloadRealtime = Time.realtimeSinceStartup;
+				ResetTimeout(timeout);
 
 				_webRequest = DownloadSystem.NewRequest(URL);
-				DownloadHandlerFile handler = new DownloadHandlerFile(savePath);
+				DownloadHandlerFile handler = new DownloadHandlerFile(fileSavePath);
 				handler.removeFileOnAbort = true;
 				_webRequest.downloadHandler = handler;
 				_webRequest.disposeDownloadHandlerOnDispose = true;
 				_operationHandle = _webRequest.SendWebRequest();
 			}
-		}
-
-		/// <summary>
-		/// 释放下载器
-		/// </summary>
-		public void Dispose()
-		{
-			if (_webRequest != null)
-			{
-				_webRequest.Dispose();
-				_webRequest = null;
-				_operationHandle = null;
-			}
-		}
-
-		/// <summary>
-		/// 是否完毕（无论成功失败）
-		/// </summary>
-		public bool IsDone()
-		{
-			if (_operationHandle == null)
-				return false;
-			return _operationHandle.isDone;
-		}
-
-		/// <summary>
-		/// 下载进度
-		/// </summary>
-		public float Progress()
-		{
-			if (_operationHandle == null)
-				return 0;
-			return _operationHandle.progress;
-		}
-
-		/// <summary>
-		/// 下载是否发生错误
-		/// </summary>
-		public bool HasError()
-		{
-#if UNITY_2020_3_OR_NEWER
-			return _webRequest.result != UnityWebRequest.Result.Success;
-#else
-			if (_webRequest.isNetworkError || _webRequest.isHttpError)
-				return true;
-			else
-				return false;
-#endif
-		}
-
-		/// <summary>
-		/// 获取错误信息
-		/// </summary>
-		public string GetError()
-		{
-			if (_webRequest != null)
-			{
-				return $"URL : {URL} Error : {_webRequest.error}";
-			}
-			return string.Empty;
-		}
-
-		/// <summary>
-		/// 检测超时
-		/// </summary>
-		public void CheckTimeout()
-		{
-			// 注意：在连续时间段内无新增下载数据及判定为超时
-			if (_isAbort == false)
-			{
-				if (_latestDownloadBytes != _webRequest.downloadedBytes)
-				{
-					_latestDownloadBytes = _webRequest.downloadedBytes;
-					_latestDownloadRealtime = Time.realtimeSinceStartup;
-				}
-
-				float offset = Time.realtimeSinceStartup - _latestDownloadRealtime;
-				if (offset > _timeout)
-				{
-					_webRequest.Abort();
-					_isAbort = true;
-				}
-			}
-		}
+		}	
 	}
 }

Assets/YooAsset/Runtime/DownloadSystem/UnityWebRequesterBase.cs

@@ -0,0 +1,116 @@
+using System;
+using System.Collections;
+using System.Collections.Concurrent;
+using UnityEngine.Networking;
+using UnityEngine;
+
+namespace YooAsset
+{
+	internal abstract class UnityWebRequesterBase
+	{
+		protected UnityWebRequest _webRequest;
+		protected UnityWebRequestAsyncOperation _operationHandle;
+
+		// 超时相关
+		private float _timeout;
+		private bool _isAbort = false;
+		private ulong _latestDownloadBytes;
+		private float _latestDownloadRealtime;
+
+		/// <summary>
+		/// 请求URL地址
+		/// </summary>
+		public string URL { protected set; get; }
+
+
+		protected void ResetTimeout(float timeout)
+		{
+			_timeout = timeout;
+			_latestDownloadBytes = 0;
+			_latestDownloadRealtime = Time.realtimeSinceStartup;
+		}
+
+		/// <summary>
+		/// 释放下载器
+		/// </summary>
+		public void Dispose()
+		{
+			if (_webRequest != null)
+			{
+				_webRequest.Dispose();
+				_webRequest = null;
+				_operationHandle = null;
+			}
+		}
+
+		/// <summary>
+		/// 是否完毕（无论成功失败）
+		/// </summary>
+		public bool IsDone()
+		{
+			if (_operationHandle == null)
+				return false;
+			return _operationHandle.isDone;
+		}
+
+		/// <summary>
+		/// 下载进度
+		/// </summary>
+		public float Progress()
+		{
+			if (_operationHandle == null)
+				return 0;
+			return _operationHandle.progress;
+		}
+
+		/// <summary>
+		/// 下载是否发生错误
+		/// </summary>
+		public bool HasError()
+		{
+#if UNITY_2020_3_OR_NEWER
+			return _webRequest.result != UnityWebRequest.Result.Success;
+#else
+			if (_webRequest.isNetworkError || _webRequest.isHttpError)
+				return true;
+			else
+				return false;
+#endif
+		}
+
+		/// <summary>
+		/// 获取错误信息
+		/// </summary>
+		public string GetError()
+		{
+			if (_webRequest != null)
+			{
+				return $"URL : {URL} Error : {_webRequest.error}";
+			}
+			return string.Empty;
+		}
+
+		/// <summary>
+		/// 检测超时
+		/// </summary>
+		public void CheckTimeout()
+		{
+			// 注意：在连续时间段内无新增下载数据及判定为超时
+			if (_isAbort == false)
+			{
+				if (_latestDownloadBytes != _webRequest.downloadedBytes)
+				{
+					_latestDownloadBytes = _webRequest.downloadedBytes;
+					_latestDownloadRealtime = Time.realtimeSinceStartup;
+				}
+
+				float offset = Time.realtimeSinceStartup - _latestDownloadRealtime;
+				if (offset > _timeout)
+				{
+					_webRequest.Abort();
+					_isAbort = true;
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/DownloadSystem/UnityWebRequesterBase.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 4e5c3c1a1655a8b41b585c6811201583
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/InitializeParameters.cs

@@ -20,6 +20,11 @@ namespace YooAsset
 		/// 联机运行模式
 		/// </summary>
 		HostPlayMode,
+
+		/// <summary>
+		/// WebGL运行模式
+		/// </summary>
+		WebPlayMode,
 	}
 
 	/// <summary>
@@ -32,6 +37,18 @@ namespace YooAsset
 		/// </summary>
 		public IDecryptionServices DecryptionServices = null;
 
+		/// <summary>
+		/// 内置文件的根路径
+		/// 注意：当参数为空的时候会使用默认的根目录。
+		/// </summary>
+		public string BuildinRootDirectory = string.Empty;
+
+		/// <summary>
+		/// 沙盒文件的根路径
+		/// 注意：当参数为空的时候会使用默认的根目录。
+		/// </summary>
+		public string SandboxRootDirectory = string.Empty;
+		
 		/// <summary>
 		/// 资源加载每帧处理的最大时间片段
 		/// 注意：默认值为MaxValue
@@ -69,18 +86,29 @@ namespace YooAsset
 	public class HostPlayModeParameters : InitializeParameters
 	{
 		/// <summary>
-		/// 默认的资源服务器下载地址
+		/// 内置资源查询服务接口
 		/// </summary>
-		public string DefaultHostServer = string.Empty;
+		public IQueryServices QueryServices = null;
 
 		/// <summary>
-		/// 备用的资源服务器下载地址
+		/// 远端资源地址查询服务类
 		/// </summary>
-		public string FallbackHostServer = string.Empty;
+		public IRemoteServices RemoteServices = null;
+	}
 
+	/// <summary>
+	/// WebGL运行模式的初始化参数
+	/// </summary>
+	public class WebPlayModeParameters : InitializeParameters
+	{
 		/// <summary>
 		/// 内置资源查询服务接口
 		/// </summary>
 		public IQueryServices QueryServices = null;
+
+		/// <summary>
+		/// 远端资源地址查询服务类
+		/// </summary>
+		public IRemoteServices RemoteServices = null;
 	}
 }

Assets/YooAsset/Runtime/PackageSystem/ManifestTools.cs

@@ -61,6 +61,7 @@ namespace YooAsset
 				{
 					var packageBundle = manifest.BundleList[i];
 					buffer.WriteUTF8(packageBundle.BundleName);
+					buffer.WriteUInt32(packageBundle.UnityCRC);
 					buffer.WriteUTF8(packageBundle.FileHash);
 					buffer.WriteUTF8(packageBundle.FileCRC);
 					buffer.WriteInt64(packageBundle.FileSize);
@@ -139,6 +140,7 @@ namespace YooAsset
 				{
 					var packageBundle = new PackageBundle();
 					packageBundle.BundleName = buffer.ReadUTF8();
+					packageBundle.UnityCRC = buffer.ReadUInt32();
 					packageBundle.FileHash = buffer.ReadUTF8();
 					packageBundle.FileCRC = buffer.ReadUTF8();
 					packageBundle.FileSize = buffer.ReadInt64();
@@ -208,7 +210,7 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 批量转换解压为BundleInfo
+		/// 批量转换为解压BundleInfo
 		/// </summary>
 		public static List<BundleInfo> ConvertToUnpackInfos(List<PackageBundle> unpackList)
 		{

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

@@ -135,8 +135,6 @@ namespace YooAsset
 					if (downloader.IsDone() == false)
 						continue;
 
-					BundleInfo bundleInfo = downloader.GetBundleInfo();
-
 					// 检测是否下载失败
 					if (downloader.HasError())
 					{
@@ -148,7 +146,7 @@ namespace YooAsset
 					// 下载成功
 					_removeList.Add(downloader);
 					_cachedDownloadCount++;
-					_cachedDownloadBytes += bundleInfo.Bundle.FileSize;
+					_cachedDownloadBytes += downloader.GetDownloadFileSize();
 				}
 
 				// 移除已经完成的下载器（无论成功或失败）
@@ -177,8 +175,9 @@ namespace YooAsset
 					{
 						int index = _downloadList.Count - 1;
 						var bundleInfo = _downloadList[index];
-						var operation = DownloadSystem.BeginDownload(bundleInfo, _failedTryAgain, _timeout);
-						_downloaders.Add(operation);
+						var downloader = DownloadSystem.CreateDownload(bundleInfo, _failedTryAgain, _timeout);
+						downloader.SendRequest();
+						_downloaders.Add(downloader);
 						_downloadList.RemoveAt(index);
 						OnStartDownloadFileCallback?.Invoke(bundleInfo.Bundle.BundleName, bundleInfo.Bundle.FileSize);
 					}
@@ -190,7 +189,7 @@ namespace YooAsset
 					if (_failedList.Count > 0)
 					{
 						var failedDownloader = _failedList[0];
-						string fileName = failedDownloader.GetBundleInfo().Bundle.BundleName;
+						string fileName = failedDownloader.GetDownloadBundleName();
 						_steps = ESteps.Done;
 						Status = EOperationStatus.Failed;
 						Error = $"Failed to download file : {fileName}";

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

@@ -217,13 +217,13 @@ namespace YooAsset
 			if (_steps == ESteps.CheckAppFootPrint)
 			{
 				var appFootPrint = new AppFootPrint();
-				appFootPrint.Load();
+				appFootPrint.Load(_packageName);
 
 				// 如果水印发生变化，则说明覆盖安装后首次打开游戏
 				if (appFootPrint.IsDirty())
 				{
-					PersistentTools.DeleteManifestFolder();
-					appFootPrint.Coverage();
+					PersistentTools.GetPersistent(_packageName).DeleteSandboxManifestFilesFolder();
+					appFootPrint.Coverage(_packageName);
 					YooLogger.Log("Delete manifest files when application foot print dirty !");
 				}
 				_steps = ESteps.QueryCachePackageVersion;
@@ -364,6 +364,93 @@ namespace YooAsset
 		}
 	}
 
+	/// <summary>
+	/// WebGL运行模式的初始化操作
+	/// </summary>
+	internal sealed class WebPlayModeInitializationOperation : InitializationOperation
+	{
+		private enum ESteps
+		{
+			None,
+			QueryWebPackageVersion,
+			LoadWebManifest,
+			Done,
+		}
+
+		private readonly WebPlayModeImpl _impl;
+		private readonly string _packageName;
+		private QueryBuildinPackageVersionOperation _queryWebPackageVersionOp;
+		private LoadBuildinManifestOperation _loadWebManifestOp;
+		private ESteps _steps = ESteps.None;
+
+		internal WebPlayModeInitializationOperation(WebPlayModeImpl impl, string packageName)
+		{
+			_impl = impl;
+			_packageName = packageName;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.QueryWebPackageVersion;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.QueryWebPackageVersion)
+			{
+				if (_queryWebPackageVersionOp == null)
+				{
+					_queryWebPackageVersionOp = new QueryBuildinPackageVersionOperation(_packageName);
+					OperationSystem.StartOperation(_queryWebPackageVersionOp);
+				}
+
+				if (_queryWebPackageVersionOp.IsDone == false)
+					return;
+
+				if (_queryWebPackageVersionOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.LoadWebManifest;
+				}
+				else
+				{
+					// 注意：WebGL平台可能因为网络的原因会导致请求失败。如果内置清单不存在或者超时也不需要报错！
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+					string error = _queryWebPackageVersionOp.Error;
+					YooLogger.Log($"Failed to load web package version file : {error}");
+				}
+			}
+
+			if (_steps == ESteps.LoadWebManifest)
+			{
+				if (_loadWebManifestOp == null)
+				{
+					_loadWebManifestOp = new LoadBuildinManifestOperation(_packageName, _queryWebPackageVersionOp.PackageVersion);
+					OperationSystem.StartOperation(_loadWebManifestOp);
+				}
+
+				Progress = _loadWebManifestOp.Progress;
+				if (_loadWebManifestOp.IsDone == false)
+					return;
+
+				if (_loadWebManifestOp.Status == EOperationStatus.Succeed)
+				{
+					PackageVersion = _loadWebManifestOp.Manifest.PackageVersion;
+					_impl.ActiveManifest = _loadWebManifestOp.Manifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _loadWebManifestOp.Error;
+				}
+			}
+		}
+	}
+
 	/// <summary>
 	/// 应用程序水印
 	/// </summary>
@@ -374,16 +461,16 @@ namespace YooAsset
 		/// <summary>
 		/// 读取应用程序水印
 		/// </summary>
-		public void Load()
+		public void Load(string packageName)
 		{
-			string footPrintFilePath = PersistentTools.GetAppFootPrintFilePath();
+			string footPrintFilePath = PersistentTools.GetPersistent(packageName).SandboxAppFootPrintFilePath;
 			if (File.Exists(footPrintFilePath))
 			{
 				_footPrint = FileUtility.ReadAllText(footPrintFilePath);
 			}
 			else
 			{
-				Coverage();
+				Coverage(packageName);
 			}
 		}
 
@@ -402,14 +489,14 @@ namespace YooAsset
 		/// <summary>
 		/// 覆盖掉水印
 		/// </summary>
-		public void Coverage()
+		public void Coverage(string packageName)
 		{
 #if UNITY_EDITOR
 			_footPrint = Application.version;
 #else
 			_footPrint = Application.buildGUID;
 #endif
-			string footPrintFilePath = PersistentTools.GetAppFootPrintFilePath();
+			string footPrintFilePath = PersistentTools.GetPersistent(packageName).SandboxAppFootPrintFilePath;
 			FileUtility.WriteAllText(footPrintFilePath, _footPrint);
 			YooLogger.Log($"Save application foot print : {_footPrint}");
 		}

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/DeserializeManifestOperation.cs

@@ -196,6 +196,7 @@ namespace YooAsset
 					{
 						var packageBundle = new PackageBundle();
 						packageBundle.BundleName = _buffer.ReadUTF8();
+						packageBundle.UnityCRC = _buffer.ReadUInt32();
 						packageBundle.FileHash = _buffer.ReadUTF8();
 						packageBundle.FileCRC = _buffer.ReadUTF8();
 						packageBundle.FileSize = _buffer.ReadInt64();

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/DownloadManifestOperation.cs

@@ -41,7 +41,7 @@ namespace YooAsset
 			{
 				if (_downloader1 == null)
 				{
-					string savePath = PersistentTools.GetCachePackageHashFilePath(_packageName, _packageVersion);
+					string savePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageHashFilePath(_packageVersion);
 					string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, _packageVersion);
 					string webURL = GetDownloadRequestURL(fileName);
 					YooLogger.Log($"Beginning to download package hash file : {webURL}");
@@ -71,7 +71,7 @@ namespace YooAsset
 			{
 				if (_downloader2 == null)
 				{
-					string savePath = PersistentTools.GetCacheManifestFilePath(_packageName, _packageVersion);
+					string savePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageManifestFilePath(_packageVersion);
 					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, _packageVersion);
 					string webURL = GetDownloadRequestURL(fileName);
 					YooLogger.Log($"Beginning to download manifest file : {webURL}");

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/LoadBuildinManifestOperation.cs

@@ -41,8 +41,7 @@ namespace YooAsset
 			{
 				if (_downloader == null)
 				{
-					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
-					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
+					string filePath = PersistentTools.GetPersistent(_buildinPackageName).GetBuildinPackageManifestFilePath(_buildinPackageVersion);
 					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader = new UnityWebDataRequester();
 					_downloader.SendRequest(url);

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/LoadCacheManifestOperation.cs

@@ -67,7 +67,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.VerifyFileHash)
 			{
-				_manifestFilePath = PersistentTools.GetCacheManifestFilePath(_packageName, _packageVersion);
+				_manifestFilePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageManifestFilePath(_packageVersion);
 				if (File.Exists(_manifestFilePath) == false)
 				{
 					_steps = ESteps.Done;
@@ -131,7 +131,7 @@ namespace YooAsset
 				File.Delete(_manifestFilePath);
 			}
 
-			string hashFilePath = PersistentTools.GetCachePackageHashFilePath(_packageName, _packageVersion);
+			string hashFilePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageHashFilePath(_packageVersion);
 			if (File.Exists(hashFilePath))
 			{
 				File.Delete(hashFilePath);

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/LoadRemoteManifestOperation.cs

@@ -0,0 +1,150 @@
+
+namespace YooAsset
+{
+	internal class LoadRemoteManifestOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			DownloadPackageHashFile,
+			DownloadManifestFile,
+			VerifyFileHash,
+			CheckDeserializeManifest,
+			Done,
+		}
+
+		private static int RequestCount = 0;
+		private readonly IRemoteServices _remoteServices;
+		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private readonly int _timeout;
+		private QueryRemotePackageHashOperation _queryRemotePackageHashOp;
+		private UnityWebDataRequester _downloader;
+		private DeserializeManifestOperation _deserializer;
+		private byte[] _fileData;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 加载的清单实例
+		/// </summary>
+		public PackageManifest Manifest { private set; get; }
+
+
+		internal LoadRemoteManifestOperation(IRemoteServices remoteServices, string packageName, string packageVersion, int timeout)
+		{
+			_remoteServices = remoteServices;
+			_packageName = packageName;
+			_packageVersion = packageVersion;
+			_timeout = timeout;
+		}
+		internal override void Start()
+		{
+			RequestCount++;
+			_steps = ESteps.DownloadPackageHashFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.DownloadPackageHashFile)
+			{
+				if (_queryRemotePackageHashOp == null)
+				{
+					_queryRemotePackageHashOp = new QueryRemotePackageHashOperation(_remoteServices, _packageName, _packageVersion, _timeout);
+					OperationSystem.StartOperation(_queryRemotePackageHashOp);
+				}
+
+				if (_queryRemotePackageHashOp.IsDone == false)
+					return;
+
+				if (_queryRemotePackageHashOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.DownloadManifestFile;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _queryRemotePackageHashOp.Error;
+				}
+			}
+
+			if (_steps == ESteps.DownloadManifestFile)
+			{
+				if (_downloader == null)
+				{
+					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, _packageVersion);
+					string webURL = GetDownloadRequestURL(fileName);
+					YooLogger.Log($"Beginning to download manifest file : {webURL}");
+					_downloader = new UnityWebDataRequester();
+					_downloader.SendRequest(webURL, _timeout);
+				}
+
+				_downloader.CheckTimeout();
+				if (_downloader.IsDone() == false)
+					return;
+
+				if (_downloader.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader.GetError();
+				}
+				else
+				{
+					_fileData = _downloader.GetData();
+					_steps = ESteps.VerifyFileHash;
+				}
+
+				_downloader.Dispose();
+			}
+
+			if (_steps == ESteps.VerifyFileHash)
+			{
+				string fileHash = HashUtility.BytesMD5(_fileData);
+				if (fileHash != _queryRemotePackageHashOp.PackageHash)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = "Failed to verify remote manifest file hash !";
+				}
+				else
+				{
+					_deserializer = new DeserializeManifestOperation(_fileData);
+					OperationSystem.StartOperation(_deserializer);
+					_steps = ESteps.CheckDeserializeManifest;
+				}
+			}
+
+			if (_steps == ESteps.CheckDeserializeManifest)
+			{
+				Progress = _deserializer.Progress;
+				if (_deserializer.IsDone == false)
+					return;
+
+				if (_deserializer.Status == EOperationStatus.Succeed)
+				{
+					Manifest = _deserializer.Manifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _deserializer.Error;
+				}
+			}
+		}
+
+		private string GetDownloadRequestURL(string fileName)
+		{
+			// 轮流返回请求地址
+			if (RequestCount % 2 == 0)
+				return _remoteServices.GetRemoteFallbackURL(fileName);
+			else
+				return _remoteServices.GetRemoteMainURL(fileName);
+		}
+	}
+}

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/LoadRemoteManifestOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 486ce3e7ad16f2948a36d49ecabd76b2
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/QueryBuildinPackageVersionOperation.cs

@@ -37,8 +37,7 @@ namespace YooAsset
 			{
 				if (_downloader == null)
 				{
-					string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
-					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
+					string filePath = PersistentTools.GetPersistent(_packageName).GetBuildinPackageVersionFilePath();
 					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader = new UnityWebDataRequester();
 					_downloader.SendRequest(url);

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/QueryCachePackageHashOperation.cs

@@ -37,7 +37,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.LoadCachePackageHashFile)
 			{
-				string filePath = PersistentTools.GetCachePackageHashFilePath(_packageName, _packageVersion);
+				string filePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageHashFilePath(_packageVersion);
 				if (File.Exists(filePath) == false)
 				{
 					_steps = ESteps.Done;

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/QueryCachePackageVersionOperation.cs

@@ -35,7 +35,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.LoadCachePackageVersionFile)
 			{
-				string filePath = PersistentTools.GetCachePackageVersionFilePath(_packageName);
+				string filePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageVersionFilePath();
 				if (File.Exists(filePath) == false)
 				{
 					_steps = ESteps.Done;

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/QueryRemotePackageHashOperation.cs

@@ -0,0 +1,99 @@
+
+namespace YooAsset
+{
+	internal class QueryRemotePackageHashOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			DownloadPackageHash,
+			Done,
+		}
+		
+		private static int RequestCount = 0;
+		private readonly IRemoteServices _remoteServices;
+		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private readonly int _timeout;
+		private UnityWebDataRequester _downloader;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 包裹哈希值
+		/// </summary>
+		public string PackageHash { private set; get; }
+
+
+		public QueryRemotePackageHashOperation(IRemoteServices remoteServices, string packageName, string packageVersion, int timeout)
+		{
+			_remoteServices = remoteServices;
+			_packageName = packageName;
+			_packageVersion = packageVersion;
+			_timeout = timeout;
+		}
+		internal override void Start()
+		{
+			RequestCount++;
+			_steps = ESteps.DownloadPackageHash;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.DownloadPackageHash)
+			{
+				if (_downloader == null)
+				{
+					string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, _packageVersion);
+					string webURL = GetPackageHashRequestURL(fileName);
+					YooLogger.Log($"Beginning to request package hash : {webURL}");
+					_downloader = new UnityWebDataRequester();
+					_downloader.SendRequest(webURL, _timeout);
+				}
+
+				Progress = _downloader.Progress();
+				_downloader.CheckTimeout();
+				if (_downloader.IsDone() == false)
+					return;
+
+				if (_downloader.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader.GetError();
+				}
+				else
+				{
+					PackageHash = _downloader.GetText();
+					if (string.IsNullOrEmpty(PackageHash))
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Failed;
+						Error = $"Remote package hash is empty : {_downloader.URL}";
+					}
+					else
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Succeed;
+					}
+				}
+
+				_downloader.Dispose();
+			}
+		}
+
+		private string GetPackageHashRequestURL(string fileName)
+		{
+			string url;
+
+			// 轮流返回请求地址
+			if (RequestCount % 2 == 0)
+				url = _remoteServices.GetRemoteFallbackURL(fileName);
+			else
+				url = _remoteServices.GetRemoteMainURL(fileName);
+
+			return url;
+		}
+	}
+}

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/QueryRemotePackageHashOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ef77260f58172dd42ad10cfb862b78ec
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/QueryRemotePackageVersionOperation.cs

@@ -1,5 +1,4 @@
-using System.IO;
-
+
 namespace YooAsset
 {
 	internal class QueryRemotePackageVersionOperation : AsyncOperationBase
@@ -54,6 +53,7 @@ namespace YooAsset
 				}
 
 				Progress = _downloader.Progress();
+				_downloader.CheckTimeout();
 				if (_downloader.IsDone() == false)
 					return;
 

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/UnpackBuildinManifestOperation.cs

@@ -31,13 +31,13 @@ namespace YooAsset
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if(_steps == ESteps.UnpackManifestHashFile)
+			if (_steps == ESteps.UnpackManifestHashFile)
 			{
 				if (_downloader1 == null)
 				{
-					string savePath = PersistentTools.GetCachePackageHashFilePath(_buildinPackageName, _buildinPackageVersion);
-					string fileName = YooAssetSettingsData.GetPackageHashFileName(_buildinPackageName, _buildinPackageVersion);
-					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
+					var persistent = PersistentTools.GetPersistent(_buildinPackageName);
+					string savePath = persistent.GetSandboxPackageHashFilePath(_buildinPackageVersion);
+					string filePath = persistent.GetBuildinPackageHashFilePath(_buildinPackageVersion);
 					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader1 = new UnityWebFileRequester();
 					_downloader1.SendRequest(url, savePath);
@@ -64,9 +64,9 @@ namespace YooAsset
 			{
 				if (_downloader2 == null)
 				{
-					string savePath = PersistentTools.GetCacheManifestFilePath(_buildinPackageName, _buildinPackageVersion);
-					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
-					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
+					var persistent = PersistentTools.GetPersistent(_buildinPackageName);
+					string savePath = persistent.GetSandboxPackageManifestFilePath(_buildinPackageVersion);
+					string filePath = persistent.GetBuildinPackageManifestFilePath(_buildinPackageVersion);
 					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader2 = new UnityWebFileRequester();
 					_downloader2.SendRequest(url, savePath);

Assets/YooAsset/Runtime/PackageSystem/Operations/PreDownloadContentOperation.cs

@@ -169,7 +169,7 @@ namespace YooAsset
 			{
 				if (_downloadManifestOp == null)
 				{
-					_downloadManifestOp = new DownloadManifestOperation(_impl, _packageName, _packageVersion, _timeout);
+					_downloadManifestOp = new DownloadManifestOperation(_impl.RemoteServices, _packageName, _packageVersion, _timeout);
 					OperationSystem.StartOperation(_downloadManifestOp);
 				}
 
@@ -286,4 +286,14 @@ namespace YooAsset
 			return operation;
 		}
 	}
+	internal class WebPlayModePreDownloadContentOperation : PreDownloadContentOperation
+	{
+		internal override void Start()
+		{
+			Status = EOperationStatus.Succeed;
+		}
+		internal override void Update()
+		{
+		}
+	}
 }

Assets/YooAsset/Runtime/PackageSystem/Operations/UpdatePackageManifestOperation.cs

@@ -137,7 +137,7 @@ namespace YooAsset
 			{
 				if (_downloadManifestOp == null)
 				{
-					_downloadManifestOp = new DownloadManifestOperation(_impl, _packageName, _packageVersion, _timeout);
+					_downloadManifestOp = new DownloadManifestOperation(_impl.RemoteServices, _packageName, _packageVersion, _timeout);
 					OperationSystem.StartOperation(_downloadManifestOp);
 				}
 
@@ -184,9 +184,87 @@ namespace YooAsset
 			}
 		}
 
-		public override void SavePackageVersion() 
+		public override void SavePackageVersion()
 		{
 			_impl.FlushManifestVersionFile();
 		}
 	}
+
+	/// <summary>
+	/// WebGL模式的更新清单操作
+	/// </summary>
+	internal sealed class WebPlayModeUpdatePackageManifestOperation : UpdatePackageManifestOperation
+	{
+		private enum ESteps
+		{
+			None,
+			CheckActiveManifest,
+			LoadRemoteManifest,
+			Done,
+		}
+
+		private readonly WebPlayModeImpl _impl;
+		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private readonly int _timeout;
+		private LoadRemoteManifestOperation _loadCacheManifestOp;
+		private ESteps _steps = ESteps.None;
+
+
+		internal WebPlayModeUpdatePackageManifestOperation(WebPlayModeImpl impl, string packageName, string packageVersion, int timeout)
+		{
+			_impl = impl;
+			_packageName = packageName;
+			_packageVersion = packageVersion;
+			_timeout = timeout;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.CheckActiveManifest;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.CheckActiveManifest)
+			{
+				// 检测当前激活的清单对象	
+				if (_impl.ActiveManifest != null && _impl.ActiveManifest.PackageVersion == _packageVersion)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.LoadRemoteManifest;
+				}
+			}
+
+			if (_steps == ESteps.LoadRemoteManifest)
+			{
+				if (_loadCacheManifestOp == null)
+				{
+					_loadCacheManifestOp = new LoadRemoteManifestOperation(_impl.RemoteServices, _packageName, _packageVersion, _timeout);
+					OperationSystem.StartOperation(_loadCacheManifestOp);
+				}
+
+				if (_loadCacheManifestOp.IsDone == false)
+					return;
+
+				if (_loadCacheManifestOp.Status == EOperationStatus.Succeed)
+				{
+					_impl.ActiveManifest = _loadCacheManifestOp.Manifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _loadCacheManifestOp.Error;
+				}
+			}
+		}
+	}
 }

Assets/YooAsset/Runtime/PackageSystem/Operations/UpdatePackageVersionOperation.cs

@@ -82,7 +82,69 @@ namespace YooAsset
 			{
 				if (_queryRemotePackageVersionOp == null)
 				{
-					_queryRemotePackageVersionOp = new QueryRemotePackageVersionOperation(_impl, _packageName, _appendTimeTicks, _timeout);
+					_queryRemotePackageVersionOp = new QueryRemotePackageVersionOperation(_impl.RemoteServices, _packageName, _appendTimeTicks, _timeout);
+					OperationSystem.StartOperation(_queryRemotePackageVersionOp);
+				}
+
+				if (_queryRemotePackageVersionOp.IsDone == false)
+					return;
+
+				if (_queryRemotePackageVersionOp.Status == EOperationStatus.Succeed)
+				{
+					PackageVersion = _queryRemotePackageVersionOp.PackageVersion;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _queryRemotePackageVersionOp.Error;
+				}
+			}
+		}
+	}
+	
+	/// <summary>
+	/// WebGL模式的请求远端包裹的最新版本
+	/// </summary>
+	internal sealed class WebPlayModeUpdatePackageVersionOperation : UpdatePackageVersionOperation
+	{
+		private enum ESteps
+		{
+			None,
+			QueryRemotePackageVersion,
+			Done,
+		}
+
+		private readonly WebPlayModeImpl _impl;
+		private readonly string _packageName;
+		private readonly bool _appendTimeTicks;
+		private readonly int _timeout;
+		private QueryRemotePackageVersionOperation _queryRemotePackageVersionOp;
+		private ESteps _steps = ESteps.None;
+		
+		internal WebPlayModeUpdatePackageVersionOperation(WebPlayModeImpl impl, string packageName, bool appendTimeTicks, int timeout)
+		{
+			_impl = impl;
+			_packageName = packageName;
+			_appendTimeTicks = appendTimeTicks;
+			_timeout = timeout;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.QueryRemotePackageVersion;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.QueryRemotePackageVersion)
+			{
+				if (_queryRemotePackageVersionOp == null)
+				{
+					_queryRemotePackageVersionOp = new QueryRemotePackageVersionOperation(_impl.RemoteServices, _packageName, _appendTimeTicks, _timeout);
 					OperationSystem.StartOperation(_queryRemotePackageVersionOp);
 				}
 

Assets/YooAsset/Runtime/PackageSystem/PackageBundle.cs

@@ -11,6 +11,11 @@ namespace YooAsset
 		/// </summary>
 		public string BundleName;
 
+		/// <summary>
+		/// Unity引擎生成的CRC
+		/// </summary>
+		public uint UnityCRC;
+
 		/// <summary>
 		/// 文件哈希值
 		/// </summary>
@@ -74,13 +79,13 @@ namespace YooAsset
 				string folderName = FileHash.Substring(0, 2);
 				if (IsRawFile)
 				{
-					string cacheRoot = PersistentTools.GetCachedRawFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetPersistent(PackageName).SandboxCacheRawFilesRoot;
 					_cachedDataFilePath = PathUtility.Combine(cacheRoot, folderName, CacheGUID, YooAssetSettings.CacheBundleDataFileName);
 					_cachedDataFilePath += _fileExtension;
 				}
 				else
 				{
-					string cacheRoot = PersistentTools.GetCachedBundleFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetPersistent(PackageName).SandboxCacheBundleFilesRoot;
 					_cachedDataFilePath = PathUtility.Combine(cacheRoot, folderName, CacheGUID, YooAssetSettings.CacheBundleDataFileName);
 				}
 				return _cachedDataFilePath;
@@ -101,12 +106,12 @@ namespace YooAsset
 				string folderName = FileHash.Substring(0, 2);
 				if (IsRawFile)
 				{
-					string cacheRoot = PersistentTools.GetCachedRawFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetPersistent(PackageName).SandboxCacheRawFilesRoot;
 					_cachedInfoFilePath = PathUtility.Combine(cacheRoot, folderName, CacheGUID, YooAssetSettings.CacheBundleInfoFileName);
 				}
 				else
 				{
-					string cacheRoot = PersistentTools.GetCachedBundleFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetPersistent(PackageName).SandboxCacheBundleFilesRoot;
 					_cachedInfoFilePath = PathUtility.Combine(cacheRoot, folderName, CacheGUID, YooAssetSettings.CacheBundleInfoFileName);
 				}
 				return _cachedInfoFilePath;
@@ -140,7 +145,8 @@ namespace YooAsset
 				if (string.IsNullOrEmpty(_streamingFilePath) == false)
 					return _streamingFilePath;
 
-				_streamingFilePath = PersistentTools.MakeStreamingLoadPath(FileName);
+				string root = PersistentTools.GetPersistent(PackageName).BuildinPackageRoot;
+				_streamingFilePath = PathUtility.Combine(root, FileName);
 				return _streamingFilePath;
 			}
 		}

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

@@ -4,25 +4,28 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-	internal class HostPlayModeImpl : IPlayModeServices, IBundleServices, IRemoteServices
+	internal class HostPlayModeImpl : IPlayModeServices, IBundleServices
 	{
 		private PackageManifest _activeManifest;
 
 		// 参数相关
 		private string _packageName;
-		private string _defaultHostServer;
-		private string _fallbackHostServer;
 		private IQueryServices _queryServices;
+		private IRemoteServices _remoteServices;
+
+		public IRemoteServices RemoteServices
+		{
+			get { return _remoteServices; }
+		}
 
 		/// <summary>
 		/// 异步初始化
 		/// </summary>
-		public InitializationOperation InitializeAsync(string packageName, string defaultHostServer, string fallbackHostServer, IQueryServices queryServices)
+		public InitializationOperation InitializeAsync(string packageName, IQueryServices queryServices, IRemoteServices remoteServices)
 		{
 			_packageName = packageName;
-			_defaultHostServer = defaultHostServer;
-			_fallbackHostServer = fallbackHostServer;
 			_queryServices = queryServices;
+			_remoteServices = remoteServices;
 
 			var operation = new HostPlayModeInitializationOperation(this, packageName);
 			OperationSystem.StartOperation(operation);
@@ -42,23 +45,12 @@ namespace YooAsset
 		}
 		private BundleInfo ConvertToDownloadInfo(PackageBundle packageBundle)
 		{
-			string remoteMainURL = GetRemoteMainURL(packageBundle.FileName);
-			string remoteFallbackURL = GetRemoteFallbackURL(packageBundle.FileName);
+			string remoteMainURL = _remoteServices.GetRemoteMainURL(packageBundle.FileName);
+			string remoteFallbackURL = _remoteServices.GetRemoteFallbackURL(packageBundle.FileName);
 			BundleInfo bundleInfo = new BundleInfo(packageBundle, BundleInfo.ELoadMode.LoadFromRemote, remoteMainURL, remoteFallbackURL);
 			return bundleInfo;
 		}
 
-		#region IRemoteServices接口
-		public string GetRemoteMainURL(string fileName)
-		{
-			return $"{_defaultHostServer}/{fileName}";
-		}
-		public string GetRemoteFallbackURL(string fileName)
-		{
-			return $"{_fallbackHostServer}/{fileName}";
-		}
-		#endregion
-
 		#region IPlayModeServices接口
 		public PackageManifest ActiveManifest
 		{
@@ -74,12 +66,14 @@ namespace YooAsset
 		public void FlushManifestVersionFile()
 		{
 			if (_activeManifest != null)
-				PersistentTools.SaveCachePackageVersionFile(_packageName, _activeManifest.PackageVersion);
+			{
+				PersistentTools.GetPersistent(_packageName).SaveSandboxPackageVersionFile(_activeManifest.PackageVersion);
+			}
 		}
 
 		private bool IsBuildinPackageBundle(PackageBundle packageBundle)
 		{
-			return _queryServices.QueryStreamingAssets(packageBundle.FileName);
+			return _queryServices.QueryStreamingAssets(_packageName, packageBundle.FileName);
 		}
 		private bool IsCachedPackageBundle(PackageBundle packageBundle)
 		{

Assets/YooAsset/Runtime/PackageSystem/PlayMode/WebPlayModeImpl.cs

@@ -0,0 +1,157 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace YooAsset
+{
+	internal class WebPlayModeImpl : IPlayModeServices, IBundleServices
+	{
+		private PackageManifest _activeManifest;
+
+		// 参数相关
+		private string _packageName;
+		private IQueryServices _queryServices;
+		private IRemoteServices _remoteServices;
+
+		public IRemoteServices RemoteServices
+		{
+			get { return _remoteServices; }
+		}
+
+		/// <summary>
+		/// 异步初始化
+		/// </summary>
+		public InitializationOperation InitializeAsync(string packageName, IQueryServices queryServices, IRemoteServices remoteServices)
+		{
+			_packageName = packageName;
+			_queryServices = queryServices;
+			_remoteServices = remoteServices;
+
+			var operation = new WebPlayModeInitializationOperation(this, packageName);
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+
+		// 下载相关
+		private BundleInfo ConvertToDownloadInfo(PackageBundle packageBundle)
+		{
+			string remoteMainURL = _remoteServices.GetRemoteMainURL(packageBundle.FileName);
+			string remoteFallbackURL = _remoteServices.GetRemoteFallbackURL(packageBundle.FileName);
+			BundleInfo bundleInfo = new BundleInfo(packageBundle, BundleInfo.ELoadMode.LoadFromRemote, remoteMainURL, remoteFallbackURL);
+			return bundleInfo;
+		}
+
+		#region IPlayModeServices接口
+		public PackageManifest ActiveManifest
+		{
+			set
+			{
+				_activeManifest = value;
+			}
+			get
+			{
+				return _activeManifest;
+			}
+		}
+		public void FlushManifestVersionFile()
+		{
+		}
+
+		private bool IsBuildinPackageBundle(PackageBundle packageBundle)
+		{
+			return _queryServices.QueryStreamingAssets(_packageName, packageBundle.FileName);
+		}
+
+		UpdatePackageVersionOperation IPlayModeServices.UpdatePackageVersionAsync(bool appendTimeTicks, int timeout)
+		{
+			var operation = new WebPlayModeUpdatePackageVersionOperation(this, _packageName, appendTimeTicks, timeout);
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, bool autoSaveVersion, int timeout)
+		{
+			var operation = new WebPlayModeUpdatePackageManifestOperation(this, _packageName, packageVersion, timeout);
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		PreDownloadContentOperation IPlayModeServices.PreDownloadContentAsync(string packageVersion, int timeout)
+		{
+			var operation = new WebPlayModePreDownloadContentOperation();
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+
+		ResourceDownloaderOperation IPlayModeServices.CreateResourceDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return ResourceDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+		ResourceDownloaderOperation IPlayModeServices.CreateResourceDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return ResourceDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+		ResourceDownloaderOperation IPlayModeServices.CreateResourceDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return ResourceDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+
+		ResourceUnpackerOperation IPlayModeServices.CreateResourceUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return ResourceUnpackerOperation.CreateEmptyUnpacker(upackingMaxNumber, failedTryAgain, timeout);
+		}
+		ResourceUnpackerOperation IPlayModeServices.CreateResourceUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return ResourceUnpackerOperation.CreateEmptyUnpacker(upackingMaxNumber, failedTryAgain, timeout);
+		}
+		#endregion
+
+		#region IBundleServices接口
+		private BundleInfo CreateBundleInfo(PackageBundle packageBundle)
+		{
+			if (packageBundle == null)
+				throw new Exception("Should never get here !");
+
+			// 查询APP资源
+			if (IsBuildinPackageBundle(packageBundle))
+			{
+				BundleInfo bundleInfo = new BundleInfo(packageBundle, BundleInfo.ELoadMode.LoadFromStreaming);
+				return bundleInfo;
+			}
+
+			// 从服务端下载
+			return ConvertToDownloadInfo(packageBundle);
+		}
+		BundleInfo IBundleServices.GetBundleInfo(AssetInfo assetInfo)
+		{
+			if (assetInfo.IsInvalid)
+				throw new Exception("Should never get here !");
+
+			// 注意：如果清单里未找到资源包会抛出异常！
+			var packageBundle = _activeManifest.GetMainPackageBundle(assetInfo.AssetPath);
+			return CreateBundleInfo(packageBundle);
+		}
+		BundleInfo[] IBundleServices.GetAllDependBundleInfos(AssetInfo assetInfo)
+		{
+			if (assetInfo.IsInvalid)
+				throw new Exception("Should never get here !");
+
+			// 注意：如果清单里未找到资源包会抛出异常！
+			var depends = _activeManifest.GetAllDependencies(assetInfo.AssetPath);
+			List<BundleInfo> result = new List<BundleInfo>(depends.Length);
+			foreach (var packageBundle in depends)
+			{
+				BundleInfo bundleInfo = CreateBundleInfo(packageBundle);
+				result.Add(bundleInfo);
+			}
+			return result.ToArray();
+		}
+		string IBundleServices.GetBundleName(int bundleID)
+		{
+			return _activeManifest.GetBundleName(bundleID);
+		}
+		bool IBundleServices.IsServicesValid()
+		{
+			return _activeManifest != null;
+		}
+		#endregion
+	}
+}

Assets/YooAsset/Runtime/PackageSystem/PlayMode/WebPlayModeImpl.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: fa7d8823ee040534db067e6e2c254267
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PackageSystem/ResourcePackage.cs

@@ -62,7 +62,7 @@ namespace YooAsset
 
 				if (_assetSystemImpl != null)
 				{
-					_assetSystemImpl.DestroyAll();
+					_assetSystemImpl.ForceUnloadAllAssets();
 					_assetSystemImpl = null;
 				}
 			}
@@ -79,6 +79,10 @@ namespace YooAsset
 			// 检测初始化参数合法性
 			CheckInitializeParameters(parameters);
 
+			// 重写持久化根目录
+			var persistent = PersistentTools.GetOrCreatePersistent(PackageName);
+			persistent.OverwriteRootDirectory(parameters.BuildinRootDirectory, parameters.SandboxRootDirectory);
+
 			// 初始化资源系统
 			InitializationOperation initializeOperation;
 			_assetSystemImpl = new AssetSystemImpl();
@@ -118,9 +122,24 @@ namespace YooAsset
 				var initializeParameters = parameters as HostPlayModeParameters;
 				initializeOperation = hostPlayModeImpl.InitializeAsync(
 					PackageName,
-					initializeParameters.DefaultHostServer,
-					initializeParameters.FallbackHostServer,
-					initializeParameters.QueryServices
+					initializeParameters.QueryServices,
+					initializeParameters.RemoteServices
+					);
+			}
+			else if (_playMode == EPlayMode.WebPlayMode)
+			{
+				var webPlayModeImpl = new WebPlayModeImpl();
+				_bundleServices = webPlayModeImpl;
+				_playModeServices = webPlayModeImpl;
+				_assetSystemImpl.Initialize(PackageName, false,
+					parameters.LoadingMaxTimeSlice, parameters.DownloadFailedTryAgain,
+					parameters.DecryptionServices, _bundleServices);
+
+				var initializeParameters = parameters as WebPlayModeParameters;
+				initializeOperation = webPlayModeImpl.InitializeAsync(
+					PackageName,
+					initializeParameters.QueryServices,
+					initializeParameters.RemoteServices
 					);
 			}
 			else
@@ -168,12 +187,10 @@ namespace YooAsset
 			if (parameters is HostPlayModeParameters)
 			{
 				var hostPlayModeParameters = parameters as HostPlayModeParameters;
-				if (string.IsNullOrEmpty(hostPlayModeParameters.DefaultHostServer))
-					throw new Exception($"${hostPlayModeParameters.DefaultHostServer} is null or empty.");
-				if (string.IsNullOrEmpty(hostPlayModeParameters.FallbackHostServer))
-					throw new Exception($"${hostPlayModeParameters.FallbackHostServer} is null or empty.");
 				if (hostPlayModeParameters.QueryServices == null)
 					throw new Exception($"{nameof(IQueryServices)} is null.");
+				if (hostPlayModeParameters.RemoteServices == null)
+					throw new Exception($"{nameof(IRemoteServices)} is null.");
 			}
 
 			// 鉴定运行模式
@@ -183,9 +200,19 @@ namespace YooAsset
 				_playMode = EPlayMode.OfflinePlayMode;
 			else if (parameters is HostPlayModeParameters)
 				_playMode = EPlayMode.HostPlayMode;
+			else if (parameters is WebPlayModeParameters)
+				_playMode = EPlayMode.WebPlayMode;
 			else
 				throw new NotImplementedException();
 
+			// 检测运行平台
+			if (_playMode == EPlayMode.HostPlayMode || _playMode == EPlayMode.OfflinePlayMode)
+			{
+#if UNITY_WEBGL
+				throw new Exception($"WebGL plateform not support : {_playMode} ! Please use {nameof(EPlayMode.WebPlayMode)}");
+#endif
+			}
+
 			// 检测参数范围
 			if (parameters.LoadingMaxTimeSlice < 10)
 			{
@@ -291,6 +318,37 @@ namespace YooAsset
 			_assetSystemImpl.ForceUnloadAllAssets();
 		}
 
+		#region 沙盒相关
+		/// <summary>
+		/// 获取包裹的内置文件根路径
+		/// </summary>
+		public string GetPackageBuildinRootDirectory()
+		{
+			DebugCheckInitialize();
+			var persistent = PersistentTools.GetPersistent(PackageName);
+			return persistent.BuildinRoot;
+		}
+
+		/// <summary>
+		/// 获取包裹的沙盒文件根路径
+		/// </summary>
+		public string GetPackageSandboxRootDirectory()
+		{
+			DebugCheckInitialize();
+			var persistent = PersistentTools.GetPersistent(PackageName);
+			return persistent.SandboxRoot;
+		}
+
+		/// <summary>
+		/// 清空包裹的沙盒目录
+		/// </summary>
+		public void ClearPackageSandbox()
+		{
+			DebugCheckInitialize();
+			var persistent = PersistentTools.GetPersistent(PackageName);
+			persistent.DeleteSandboxPackageFolder();
+		}
+		#endregion
 
 		#region 资源信息
 		/// <summary>

Assets/YooAsset/Runtime/Services/IQueryServices.cs

@@ -6,6 +6,6 @@ namespace YooAsset
 		/// <summary>
 		/// 查询内置资源
 		/// </summary>
-		bool QueryStreamingAssets(string fileName);
+		bool QueryStreamingAssets(string packageName, string fileName);
 	}
 }

Assets/YooAsset/Runtime/Services/Internal/IRemoteServices.cs

@@ -1,9 +1,18 @@
 
 namespace YooAsset
 {
-	internal interface IRemoteServices
+	public interface IRemoteServices
 	{
+		/// <summary>
+		/// 获取主资源站的资源地址
+		/// </summary>
+		/// <param name="fileName">请求的文件名称</param>
 		string GetRemoteMainURL(string fileName);
+
+		/// <summary>
+		/// 获取备用资源站的资源地址
+		/// </summary>
+		/// <param name="fileName">请求的文件名称</param>
 		string GetRemoteFallbackURL(string fileName);
 	}
 }

Assets/YooAsset/Runtime/Settings/YooAssetSettings.cs

@@ -24,7 +24,7 @@ namespace YooAsset
 		/// <summary>
 		/// 清单文件格式版本
 		/// </summary>
-		public const string ManifestFileVersion = "1.4.17";
+		public const string ManifestFileVersion = "1.5.2";
 
 
 		/// <summary>
@@ -37,6 +37,31 @@ namespace YooAsset
 		/// </summary>
 		public const string CacheBundleInfoFileName = "__info";
 
+		/// <summary>
+		/// 默认的YooAsset文件夹名称
+		/// </summary>
+		public const string DefaultYooFolderName = "yoo";
+
+		/// <summary>
+		/// 缓存的资源文件的文件夹名称
+		/// </summary>
+		public const string CachedBundleFileFolder = "CacheBundleFiles";
+
+		/// <summary>
+		/// 缓存的原生文件的文件夹名称
+		/// </summary>
+		public const string CachedRawFileFolder = "CacheRawFiles";
+
+		/// <summary>
+		/// 缓存的清单文件的文件夹名称
+		/// </summary>
+		public const string ManifestFolderName = "ManifestFiles";
+
+		/// <summary>
+		/// 记录应用程序版本的文件名称
+		/// </summary>
+		public const string AppFootPrintFileName = "ApplicationFootPrint.bytes";
+
 
 		/// <summary>
 		/// 构建输出文件夹名称
@@ -47,10 +72,5 @@ namespace YooAsset
 		/// 构建输出的报告文件
 		/// </summary>
 		public const string ReportFileName = "BuildReport";
-
-		/// <summary>
-		/// 内置资源目录名称
-		/// </summary>
-		public const string StreamingAssetsBuildinFolder = "BuildinFiles";
 	}
 }

Assets/YooAsset/Runtime/YooAssets.cs

@@ -217,6 +217,21 @@ namespace YooAsset
 			DownloadSystem.RequestDelegate = requestDelegate;
 		}
 
+		/// <summary>
+		/// 设置下载系统参数，网络重定向次数（Unity引擎默认值32）
+		/// 注意：不支持设置为负值
+		/// </summary>
+		public static void SetDownloadSystemRedirectLimit(int redirectLimit)
+		{
+			if (redirectLimit < 0)
+			{
+				YooLogger.Warning($"Invalid param value : {redirectLimit}");
+				return;
+			}
+
+			DownloadSystem.RedirectLimit = redirectLimit;
+		}
+
 		/// <summary>
 		/// 设置异步系统参数，每帧执行消耗的最大时间切片（单位：毫秒）
 		/// </summary>
@@ -239,51 +254,11 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 设置缓存系统参数，沙盒目录的存储路径
+		/// 设置缓存系统参数，禁用缓存在WebGL平台
 		/// </summary>
-		public static void SetCacheSystemSandboxPath(string sandboxPath)
+		public static void SetCacheSystemDisableCacheOnWebGL()
 		{
-			if (string.IsNullOrEmpty(sandboxPath))
-			{
-				YooLogger.Error($"Sandbox path is null or empty !");
-				return;
-			}
-
-			// 注意：需要确保没有任何资源系统起效之前才可以设置沙盒目录！
-			if (_packages.Count > 0)
-			{
-				YooLogger.Error($"Please call this method {nameof(SetCacheSystemSandboxPath)} before the package is created !");
-				return;
-			}
-
-			PersistentTools.OverwriteSandboxPath(sandboxPath);
-		}
-		#endregion
-
-		#region 沙盒相关
-		/// <summary>
-		/// 获取内置文件夹名称
-		/// </summary>
-		public static string GetStreamingAssetBuildinFolderName()
-		{
-			return YooAssetSettings.StreamingAssetsBuildinFolder;
-		}
-
-		/// <summary>
-		/// 获取沙盒的根路径
-		/// </summary>
-		public static string GetSandboxRoot()
-		{
-			return PersistentTools.GetPersistentRootPath();
-		}
-
-		/// <summary>
-		/// 清空沙盒目录（需要重启APP）
-		/// </summary>
-		public static void ClearSandbox()
-		{
-			YooLogger.Warning("Clear sandbox folder files, Finally, restart the application !");
-			PersistentTools.DeleteSandbox();
+			CacheSystem.DisableUnityCacheOnWebGL = true;
 		}
 		#endregion
 

Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/PackageCompareWindow.cs

@@ -10,7 +10,7 @@ namespace YooAsset.Editor
 	{
 		static PackageCompareWindow _thisInstance;
 		
-		[MenuItem("YooAsset/补丁包比对工具", false, 302)]
+		[MenuItem("Tools/补丁包比对工具", false, 102)]
 		static void ShowWindow()
 		{
 			if (_thisInstance == null)

Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/PackageImportWindow.cs

@@ -8,7 +8,7 @@ namespace YooAsset.Editor
 	{
 		static PackageImportWindow _thisInstance;
 
-		[MenuItem("YooAsset/补丁包导入工具", false, 301)]
+		[MenuItem("Tools/补丁包导入工具", false, 101)]
 		static void ShowWindow()
 		{
 			if (_thisInstance == null)
@@ -20,6 +20,7 @@ namespace YooAsset.Editor
 		}
 
 		private string _manifestPath = string.Empty;
+		private string _packageName = "DefaultPackage";
 
 		private void OnGUI()
 		{
@@ -39,7 +40,8 @@ namespace YooAsset.Editor
 			{
 				if (GUILayout.Button("导入补丁包（全部文件）", GUILayout.MaxWidth(150)))
 				{
-					AssetBundleBuilderHelper.ClearStreamingAssetsFolder();
+					string streamingAssetsRoot = AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot();
+					EditorTools.ClearFolder(streamingAssetsRoot);
 					CopyPackageFiles(_manifestPath);
 				}
 			}
@@ -57,18 +59,18 @@ namespace YooAsset.Editor
 			// 拷贝核心文件
 			{
 				string sourcePath = $"{outputDirectory}/{manifestFileName}.bytes";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{manifestFileName}.bytes";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{manifestFileName}.bytes";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 			{
 				string sourcePath = $"{outputDirectory}/{manifestFileName}.hash";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{manifestFileName}.hash";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{manifestFileName}.hash";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 			{
 				string fileName = YooAssetSettingsData.GetPackageVersionFileName(manifest.PackageName);
 				string sourcePath = $"{outputDirectory}/{fileName}";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{fileName}";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{fileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 
@@ -78,7 +80,7 @@ namespace YooAsset.Editor
 			{
 				fileCount++;
 				string sourcePath = $"{outputDirectory}/{packageBundle.FileName}";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{packageBundle.FileName}";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{packageBundle.FileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 

Assets/YooAsset/Samples~/Space Shooter/GameArt/Entity/Asteroid/prop_asteroid_01/Materials.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 10823e059e253a04083b6122027db930
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/YooAsset/Samples~/Space Shooter/GameArt/Entity/Asteroid/prop_asteroid_01/Materials/prop_asteroid_01_mat.mat

@@ -1,77 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
---- !u!21 &2100000
-Material:
-  serializedVersion: 6
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_Name: prop_asteroid_01_mat
-  m_Shader: {fileID: 46, guid: 0000000000000000f000000000000000, type: 0}
-  m_ShaderKeywords: _NORMALMAP
-  m_LightmapFlags: 4
-  m_EnableInstancingVariants: 0
-  m_DoubleSidedGI: 0
-  m_CustomRenderQueue: -1
-  stringTagMap: {}
-  disabledShaderPasses: []
-  m_SavedProperties:
-    serializedVersion: 3
-    m_TexEnvs:
-    - _BumpMap:
-        m_Texture: {fileID: 0}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
-    - _DetailAlbedoMap:
-        m_Texture: {fileID: 0}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
-    - _DetailMask:
-        m_Texture: {fileID: 0}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
-    - _DetailNormalMap:
-        m_Texture: {fileID: 0}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
-    - _EmissionMap:
-        m_Texture: {fileID: 0}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
-    - _MainTex:
-        m_Texture: {fileID: 0}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
-    - _MetallicGlossMap:
-        m_Texture: {fileID: 0}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
-    - _OcclusionMap:
-        m_Texture: {fileID: 0}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
-    - _ParallaxMap:
-        m_Texture: {fileID: 0}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
-    m_Floats:
-    - _BumpScale: 1
-    - _Cutoff: 0.5
-    - _DetailNormalMapScale: 1
-    - _DstBlend: 0
-    - _GlossMapScale: 1
-    - _Glossiness: 0
-    - _GlossyReflections: 1
-    - _Metallic: 0
-    - _Mode: 0
-    - _OcclusionStrength: 1
-    - _Parallax: 0.02
-    - _SmoothnessTextureChannel: 0
-    - _SpecularHighlights: 1
-    - _SrcBlend: 1
-    - _UVSec: 0
-    - _ZWrite: 1
-    m_Colors:
-    - _Color: {r: 1, g: 1, b: 1, a: 1}
-    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}

Assets/YooAsset/Samples~/Space Shooter/GameArt/Entity/Asteroid/prop_asteroid_01/Materials/prop_asteroid_01_mat.mat.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 2028e985f7c2d9740858bcf7b567af05
-NativeFormatImporter:
-  externalObjects: {}
-  mainObjectFileID: 2100000
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/YooAsset/Samples~/Space Shooter/GameArt/Entity/Asteroid/prop_asteroid_01/prop_asteroid_01_mat.mat

@@ -8,7 +8,7 @@ Material:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_Name: prop_asteroid_01_mat
-  m_Shader: {fileID: 46, guid: 0000000000000000f000000000000000, type: 0}
+  m_Shader: {fileID: 4800000, guid: ba67c8b1d5e59dc428ad9fc9270f8353, type: 3}
   m_ShaderKeywords: _EMISSION _NORMALMAP
   m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
@@ -27,6 +27,10 @@ Material:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
+    - _DetailMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
     - _DetailMask:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
@@ -47,6 +51,10 @@ Material:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
+    - _NormalMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
     - _OcclusionMap:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
@@ -56,24 +64,40 @@ Material:
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     m_Floats:
+    - _AmbiencePower: 1
+    - _Brightness: 0
     - _BumpScale: 1
+    - _ColorToggle: 0
+    - _Contrast: 1
     - _Cutoff: 0.5
+    - _Detail: 0
     - _DetailNormalMapScale: 1
+    - _DetailStrength: 1
+    - _DiffusePower: 1
     - _DstBlend: 0
+    - _Emission: 0
+    - _EmissionStrength: 1
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