Update CHANGELOG.md

新增初始化参数 BundleLoadingMaxConcurrency

Assets/YooAsset/CHANGELOG.md

@@ -2,6 +2,73 @@
 
 All notable changes to this package will be documented in this file.
 
+## [2.3.7] - 2025-04-01
+
+### Improvements
+
+- (#526) 运行时资源清单的哈希值验证兼容了MD5和CRC32两种方式。
+- (#515) 优化了资源路径大小写不敏感的逻辑代码，减少字符串操作产生的GC。
+- (#523) UnloadUnusedAssetsOperation方法支持了分帧处理。
+
+### Fixed
+
+- (#520) 修复了UWP平台获取WWW加载路径未适配的问题。
+
+### Added
+
+- 新增了文件系统初始化参数：INSTALL_CLEAR_MODE
+
+  ```csharp
+  /// <summary>
+  /// 覆盖安装清理模式
+  /// </summary>
+  public enum EOverwriteInstallClearMode
+  {
+      /// <summary>
+      /// 不做任何处理
+      /// </summary>
+      None = 0,
+   
+      /// <summary>
+      /// 清理所有缓存文件（包含资源文件和清单文件）
+      /// </summary>
+      ClearAllCacheFiles = 1,
+   
+      /// <summary>
+      /// 清理所有缓存的资源文件
+      /// </summary>
+      ClearAllBundleFiles = 2,
+   
+      /// <summary>
+      /// 清理所有缓存的清单文件
+      /// </summary>
+      ClearAllManifestFiles = 3,
+  }
+  ```
+
+- 新增了初始化参数：BundleLoadingMaxConcurrency
+
+  ```csharp
+  public abstract class InitializeParameters
+  {
+      /// <summary>
+      /// 同时加载Bundle文件的最大并发数
+      /// </summary>
+      public int BundleLoadingMaxConcurrency = int.MaxValue;
+  }
+  ```
+
+## [2.3.6] - 2025-03-25
+
+### Improvements
+
+- 构建管线新增了TaskCreateCatalog任务节点。
+- 内置文件系统的catalog文件现在存储在streammingAssets目录下。
+
+### Fixed
+
+- (#486) 修复了微信小游戏文件系统调用ClearUnusedBundleFiles时候的异常。
+
 ## [2.3.5-preview] - 2025-03-14
 
 ### Fixed

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BaseTasks/TaskCreateCatalog.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEditor;
+
+namespace YooAsset.Editor
+{
+    public class TaskCreateCatalog
+    {
+        /// <summary>
+        /// 生成内置资源记录文件
+        /// </summary>
+        internal void CreateCatalogFile(BuildParametersContext buildParametersContext)
+        {
+            string buildinRootDirectory = buildParametersContext.GetBuildinRootDirectory();
+            string buildPackageName = buildParametersContext.Parameters.PackageName;
+            DefaultBuildinFileSystemBuild.CreateBuildinCatalogFile(buildPackageName, buildinRootDirectory);
+
+            // 刷新目录
+            AssetDatabase.Refresh();
+        }
+    }
+}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BaseTasks/TaskCreateCatalog.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2d2c835e5e40ca34d93480587c8125df
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BaseTasks/TaskCreateManifest.cs

@@ -30,7 +30,7 @@ namespace YooAsset.Editor
 
             // 创建新补丁清单
             PackageManifest manifest = new PackageManifest();
-            manifest.FileVersion = YooAssetSettings.ManifestFileVersion;
+            manifest.FileVersion = ManifestDefine.FileVersion;
             manifest.EnableAddressable = buildMapContext.Command.EnableAddressable;
             manifest.LocationToLower = buildMapContext.Command.LocationToLower;
             manifest.IncludeAssetGUID = buildMapContext.Command.IncludeAssetGUID;

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BuiltinBuildPipeline/BuildTasks/TaskCreateCatalog_BBP.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+namespace YooAsset.Editor
+{
+    public class TaskCreateCatalog_BBP : TaskCreateCatalog, IBuildTask
+    {
+        void IBuildTask.Run(BuildContext context)
+        {
+            var buildParametersContext = context.GetContextObject<BuildParametersContext>();
+            if (buildParametersContext.Parameters.BuildinFileCopyOption != EBuildinFileCopyOption.None)
+            {
+                CreateCatalogFile(buildParametersContext);
+            }
+        }
+    }
+}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BuiltinBuildPipeline/BuildTasks/TaskCreateCatalog_BBP.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8fe3d00b03dc9c64a96b7acfdf99b54c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BuiltinBuildPipeline/BuiltinBuildPipeline.cs

@@ -36,6 +36,7 @@ namespace YooAsset.Editor
                     new TaskCreateReport_BBP(),
                     new TaskCreatePackage_BBP(),
                     new TaskCopyBuildinFiles_BBP(),
+                    new TaskCreateCatalog_BBP()
                 };
             return pipeline;
         }

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/RawFileBuildPipeline/BuildTasks/TaskCreateCatalog_RFBP.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+namespace YooAsset.Editor
+{
+    public class TaskCreateCatalog_RFBP : TaskCreateCatalog, IBuildTask
+    {
+        void IBuildTask.Run(BuildContext context)
+        {
+            var buildParametersContext = context.GetContextObject<BuildParametersContext>();
+            if (buildParametersContext.Parameters.BuildinFileCopyOption != EBuildinFileCopyOption.None)
+            {
+                CreateCatalogFile(buildParametersContext);
+            }
+        }
+    }
+}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/RawFileBuildPipeline/BuildTasks/TaskCreateCatalog_RFBP.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 563771ecaff17ee498b5fda7c1132e62
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/RawFileBuildPipeline/RawFileBuildPipeline.cs

@@ -38,6 +38,7 @@ namespace YooAsset.Editor
                     new TaskCreateReport_RFBP(),
                     new TaskCreatePackage_RFBP(),
                     new TaskCopyBuildinFiles_RFBP(),
+                    new TaskCreateCatalog_RFBP()
                 };
             return pipeline;
         }

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/ScriptableBuildPipeline/BuildTasks/TaskCreateCatalog_SBP.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+namespace YooAsset.Editor
+{
+    public class TaskCreateCatalog_SBP : TaskCreateCatalog, IBuildTask
+    {
+        void IBuildTask.Run(BuildContext context)
+        {
+            var buildParametersContext = context.GetContextObject<BuildParametersContext>();
+            if (buildParametersContext.Parameters.BuildinFileCopyOption != EBuildinFileCopyOption.None)
+            {
+                CreateCatalogFile(buildParametersContext);
+            }
+        }
+    }
+}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/ScriptableBuildPipeline/BuildTasks/TaskCreateCatalog_SBP.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: d8241b1eb8e22874b84d279dae9bbd1b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/ScriptableBuildPipeline/ScriptableBuildPipeline.cs

@@ -36,6 +36,7 @@ namespace YooAsset.Editor
                     new TaskCreateReport_SBP(),
                     new TaskCreatePackage_SBP(),
                     new TaskCopyBuildinFiles_SBP(),
+                    new TaskCreateCatalog_SBP()
                 };
             return pipeline;
         }

Assets/YooAsset/Runtime/DownloadSystem/DownloadSystemHelper.cs

@@ -67,7 +67,7 @@ namespace YooAsset
             }
 #elif UNITY_STANDALONE_OSX
             url = new System.Uri(path).ToString();
-#elif UNITY_STANDALONE
+#elif UNITY_STANDALONE || UNITY_WSA
             url = StringUtility.Format("file:///{0}", path);
 #else
             throw new System.NotImplementedException();

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/CatalogDefine.cs

@@ -0,0 +1,21 @@
+
+namespace YooAsset
+{
+    internal class CatalogDefine
+    {
+        /// <summary>
+        /// 文件极限大小（100MB）
+        /// </summary>
+        public const int FileMaxSize = 104857600;
+
+        /// <summary>
+        /// 文件头标记
+        /// </summary>
+        public const uint FileSign = 0x133C5EE;
+
+        /// <summary>
+        /// 文件格式版本
+        /// </summary>
+        public const string FileVersion = "1.0.0";
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/CatalogDefine.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c6be7b8be0b51784997c959b370193e9
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/CatalogTools.cs

@@ -0,0 +1,102 @@
+using System;
+using System.IO;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace YooAsset
+{
+    internal static class CatalogTools
+    {
+        /// <summary>
+        /// 序列化（JSON文件）
+        /// </summary>
+        public static void SerializeToJson(string savePath, DefaultBuildinFileCatalog catalog)
+        {
+            string json = JsonUtility.ToJson(catalog, true);
+            FileUtility.WriteAllText(savePath, json);
+        }
+
+        /// <summary>
+        /// 反序列化（JSON文件）
+        /// </summary>
+        public static DefaultBuildinFileCatalog DeserializeFromJson(string jsonContent)
+        {
+            return JsonUtility.FromJson<DefaultBuildinFileCatalog>(jsonContent);
+        }
+
+        /// <summary>
+        /// 序列化（二进制文件）
+        /// </summary>
+        public static void SerializeToBinary(string savePath, DefaultBuildinFileCatalog catalog)
+        {
+            using (FileStream fs = new FileStream(savePath, FileMode.Create))
+            {
+                // 创建缓存器
+                BufferWriter buffer = new BufferWriter(CatalogDefine.FileMaxSize);
+
+                // 写入文件标记
+                buffer.WriteUInt32(CatalogDefine.FileSign);
+
+                // 写入文件版本
+                buffer.WriteUTF8(CatalogDefine.FileVersion);
+
+                // 写入文件头信息
+                buffer.WriteUTF8(catalog.PackageName);
+                buffer.WriteUTF8(catalog.PackageVersion);
+
+                // 写入资源包列表
+                buffer.WriteInt32(catalog.Wrappers.Count);
+                for (int i = 0; i < catalog.Wrappers.Count; i++)
+                {
+                    var fileWrapper = catalog.Wrappers[i];
+                    buffer.WriteUTF8(fileWrapper.BundleGUID);
+                    buffer.WriteUTF8(fileWrapper.FileName);
+                }
+
+                // 写入文件流
+                buffer.WriteToStream(fs);
+                fs.Flush();
+            }
+        }
+
+        /// <summary>
+        /// 反序列化（二进制文件）
+        /// </summary>
+        public static DefaultBuildinFileCatalog DeserializeFromBinary(byte[] binaryData)
+        {
+            // 创建缓存器
+            BufferReader buffer = new BufferReader(binaryData);
+
+            // 读取文件标记
+            uint fileSign = buffer.ReadUInt32();
+            if (fileSign != CatalogDefine.FileSign)
+                throw new Exception("Invalid catalog file !");
+
+            // 读取文件版本
+            string fileVersion = buffer.ReadUTF8();
+            if (fileVersion != CatalogDefine.FileVersion)
+                throw new Exception($"The catalog file version are not compatible : {fileVersion} != {CatalogDefine.FileVersion}");
+
+            DefaultBuildinFileCatalog catalog = new DefaultBuildinFileCatalog();
+            {
+                // 读取文件头信息
+                catalog.FileVersion = fileVersion;
+                catalog.PackageName = buffer.ReadUTF8();
+                catalog.PackageVersion = buffer.ReadUTF8();
+
+                // 读取资源包列表
+                int fileCount = buffer.ReadInt32();
+                catalog.Wrappers = new List<DefaultBuildinFileCatalog.FileWrapper>(fileCount);
+                for (int i = 0; i < fileCount; i++)
+                {
+                    var fileWrapper = new DefaultBuildinFileCatalog.FileWrapper();
+                    fileWrapper.BundleGUID = buffer.ReadUTF8();
+                    fileWrapper.FileName = buffer.ReadUTF8();
+                    catalog.Wrappers.Add(fileWrapper);
+                }
+            }
+
+            return catalog;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/CatalogTools.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: cf87ffe3b3de69942ac16640a330dd37
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/DefaultBuildinFileCatalog.cs

@@ -1,27 +1,27 @@
 using System;
+using System.IO;
 using System.Collections.Generic;
-using UnityEngine;
 
 namespace YooAsset
 {
     /// <summary>
     /// 内置资源清单目录
     /// </summary>
-    internal class DefaultBuildinFileCatalog : ScriptableObject
+    [Serializable]
+    internal class DefaultBuildinFileCatalog
     {
         [Serializable]
         public class FileWrapper
         {
             public string BundleGUID;
             public string FileName;
-
-            public FileWrapper(string bundleGUID, string fileName)
-            {
-                BundleGUID = bundleGUID;
-                FileName = fileName;
-            }
         }
 
+        /// <summary>
+        /// 文件版本
+        /// </summary>
+        public string FileVersion;
+
         /// <summary>
         /// 包裹名称
         /// </summary>

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/DefaultBuildinFileSystem.cs

@@ -58,6 +58,11 @@ namespace YooAsset
         /// </summary>
         public EFileVerifyLevel FileVerifyLevel { private set; get; } = EFileVerifyLevel.Middle;
 
+        /// <summary>
+        /// 自定义参数：覆盖安装缓存清理模式
+        /// </summary>
+        public EOverwriteInstallClearMode InstallClearMode { private set; get; } = EOverwriteInstallClearMode.ClearAllManifestFiles;
+
         /// <summary>
         /// 自定义参数：数据文件追加文件格式
         /// </summary>
@@ -145,6 +150,10 @@ namespace YooAsset
             {
                 FileVerifyLevel = (EFileVerifyLevel)value;
             }
+            else if (name == FileSystemParametersDefine.INSTALL_CLEAR_MODE)
+            {
+                InstallClearMode = (EOverwriteInstallClearMode)value;
+            }
             else if (name == FileSystemParametersDefine.APPEND_FILE_EXTENSION)
             {
                 AppendFileExtension = Convert.ToBoolean(value);
@@ -184,6 +193,7 @@ namespace YooAsset
             _unpackFileSystem = new DefaultUnpackFileSystem();
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.REMOTE_SERVICES, remoteServices);
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.FILE_VERIFY_LEVEL, FileVerifyLevel);
+            _unpackFileSystem.SetParameter(FileSystemParametersDefine.INSTALL_CLEAR_MODE, InstallClearMode);
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.APPEND_FILE_EXTENSION, AppendFileExtension);
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.DECRYPTION_SERVICES, DecryptionServices);
             _unpackFileSystem.OnCreate(packageName, null);
@@ -336,10 +346,9 @@ namespace YooAsset
             string fileName = YooAssetSettingsData.GetManifestBinaryFileName(PackageName, packageVersion);
             return PathUtility.Combine(_packageRoot, fileName);
         }
-        public string GetCatalogFileLoadPath()
+        public string GetCatalogBinaryFileLoadPath()
         {
-            string fileName = Path.GetFileNameWithoutExtension(DefaultBuildinFileSystemDefine.BuildinCatalogFileName);
-            return YooAssetSettingsData.GetYooResourcesLoadPath(PackageName, fileName);
+            return PathUtility.Combine(_packageRoot, DefaultBuildinFileSystemDefine.BuildinCatalogBinaryFileName);
         }
 
         /// <summary>

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/DefaultBuildinFileSystemBuild.cs

@@ -17,10 +17,6 @@ namespace YooAsset
         {
             YooLogger.Log("Begin to create catalog file !");
 
-            string savePath = YooAssetSettingsData.GetYooResourcesFullPath();
-            if (UnityEditor.AssetDatabase.DeleteAsset(savePath))
-                UnityEditor.AssetDatabase.Refresh();
-
             string rootPath = YooAssetSettingsData.GetYooDefaultBuildinRoot();
             DirectoryInfo rootDirectory = new DirectoryInfo(rootPath);
             if (rootDirectory.Exists == false)
@@ -87,10 +83,25 @@ namespace YooAsset
             }
 
             // 创建内置清单实例
-            var buildinFileCatalog = ScriptableObject.CreateInstance<DefaultBuildinFileCatalog>();
+            var buildinFileCatalog = new DefaultBuildinFileCatalog();
+            buildinFileCatalog.FileVersion = CatalogDefine.FileVersion;
             buildinFileCatalog.PackageName = packageName;
             buildinFileCatalog.PackageVersion = packageVersion;
 
+            // 创建白名单查询集合
+            HashSet<string> whiteFileList = new HashSet<string>
+            {
+                "link.xml",
+                "buildlogtep.json",
+                $"{packageName}.version",
+                $"{packageName}_{packageVersion}.bytes",
+                $"{packageName}_{packageVersion}.hash",
+                $"{packageName}_{packageVersion}.json",
+                $"{packageName}_{packageVersion}.report",
+                DefaultBuildinFileSystemDefine.BuildinCatalogJsonFileName,
+                DefaultBuildinFileSystemDefine.BuildinCatalogBinaryFileName
+            };
+
             // 记录所有内置资源文件
             DirectoryInfo rootDirectory = new DirectoryInfo(pacakgeDirectory);
             FileInfo[] fileInfos = rootDirectory.GetFiles();
@@ -99,23 +110,15 @@ namespace YooAsset
                 if (fileInfo.Extension == ".meta")
                     continue;
 
-                if (fileInfo.Name == "link.xml" || fileInfo.Name == "buildlogtep.json")
-                    continue;
-                if (fileInfo.Name == $"{packageName}.version")
-                    continue;
-                if (fileInfo.Name == $"{packageName}_{packageVersion}.bytes")
-                    continue;
-                if (fileInfo.Name == $"{packageName}_{packageVersion}.hash")
-                    continue;
-                if (fileInfo.Name == $"{packageName}_{packageVersion}.json")
-                    continue;
-                if (fileInfo.Name == $"{packageName}_{packageVersion}.report")
+                if (whiteFileList.Contains(fileInfo.Name))
                     continue;
 
                 string fileName = fileInfo.Name;
                 if (fileMapping.TryGetValue(fileName, out string bundleGUID))
                 {
-                    var wrapper = new DefaultBuildinFileCatalog.FileWrapper(bundleGUID, fileName);
+                    var wrapper = new DefaultBuildinFileCatalog.FileWrapper();
+                    wrapper.BundleGUID = bundleGUID;
+                    wrapper.FileName = fileName;
                     buildinFileCatalog.Wrappers.Add(wrapper);
                 }
                 else
@@ -124,21 +127,20 @@ namespace YooAsset
                 }
             }
 
-            // 创建输出目录
-            string fullPath = YooAssetSettingsData.GetYooResourcesFullPath();
-            string saveFilePath = $"{fullPath}/{packageName}/{DefaultBuildinFileSystemDefine.BuildinCatalogFileName}";
-            FileUtility.CreateFileDirectory(saveFilePath);
+            // 创建输出文件
+            string jsonFilePath = $"{pacakgeDirectory}/{DefaultBuildinFileSystemDefine.BuildinCatalogJsonFileName}";
+            if (File.Exists(jsonFilePath))
+                File.Delete(jsonFilePath);
+            CatalogTools.SerializeToJson(jsonFilePath, buildinFileCatalog);
 
             // 创建输出文件
-            UnityEditor.AssetDatabase.CreateAsset(buildinFileCatalog, saveFilePath);
-            UnityEditor.EditorUtility.SetDirty(buildinFileCatalog);
-#if UNITY_2019
-            UnityEditor.AssetDatabase.SaveAssets();
-#else
-            UnityEditor.AssetDatabase.SaveAssetIfDirty(buildinFileCatalog);
-#endif
+            string binaryFilePath = $"{pacakgeDirectory}/{DefaultBuildinFileSystemDefine.BuildinCatalogBinaryFileName}";
+            if (File.Exists(binaryFilePath))
+                File.Delete(binaryFilePath);
+            CatalogTools.SerializeToBinary(binaryFilePath, buildinFileCatalog);
 
-            Debug.Log($"Succeed to save buildin file catalog : {saveFilePath}");
+            UnityEditor.AssetDatabase.Refresh();
+            Debug.Log($"Succeed to save buildin file catalog : {binaryFilePath}");
             return true;
         }
     }

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/DefaultBuildinFileSystemDefine.cs

@@ -4,8 +4,13 @@ namespace YooAsset
     internal class DefaultBuildinFileSystemDefine
     {
         /// <summary>
-        /// 内置清单文件名称
+        /// 内置清单JSON文件名称
         /// </summary>
-        public const string BuildinCatalogFileName = "BuildinCatalog.asset";
+        public const string BuildinCatalogJsonFileName = "BuildinCatalog.json";
+
+        /// <summary>
+        /// 内置清单二进制文件名称
+        /// </summary>
+        public const string BuildinCatalogBinaryFileName = "BuildinCatalog.bytes";
     }
 }

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/Operation/internal/LoadBuildinCatalogFileOperation.cs

@@ -1,4 +1,4 @@
-using UnityEngine;
+using System;
 
 namespace YooAsset
 {
@@ -7,56 +7,84 @@ namespace YooAsset
         private enum ESteps
         {
             None,
+            RequestData,
             LoadCatalog,
             Done,
         }
 
         private readonly DefaultBuildinFileSystem _fileSystem;
+        private UnityWebDataRequestOperation _webDataRequestOp;
         private ESteps _steps = ESteps.None;
 
-
         internal LoadBuildinCatalogFileOperation(DefaultBuildinFileSystem fileSystem)
         {
             _fileSystem = fileSystem;
         }
         internal override void InternalStart()
         {
-            _steps = ESteps.LoadCatalog;
+            _steps = ESteps.RequestData;
         }
         internal override void InternalUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
+            if (_steps == ESteps.RequestData)
+            {
+                if (_webDataRequestOp == null)
+                {
+                    string filePath = _fileSystem.GetCatalogBinaryFileLoadPath();
+                    string url = DownloadSystemHelper.ConvertToWWWPath(filePath);
+                    _webDataRequestOp = new UnityWebDataRequestOperation(url);
+                    _webDataRequestOp.StartOperation();
+                    AddChildOperation(_webDataRequestOp);
+                }
+
+                _webDataRequestOp.UpdateOperation();
+                if (_webDataRequestOp.IsDone == false)
+                    return;
+
+                if (_webDataRequestOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.LoadCatalog;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _webDataRequestOp.Error;
+                }
+            }
+
             if (_steps == ESteps.LoadCatalog)
             {
-                string catalogFilePath = _fileSystem.GetCatalogFileLoadPath();
-                var catalog = Resources.Load<DefaultBuildinFileCatalog>(catalogFilePath);
-                if (catalog == null)
+                try
+                {
+                    var catalog = CatalogTools.DeserializeFromBinary(_webDataRequestOp.Result);
+                    if (catalog.PackageName != _fileSystem.PackageName)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"Catalog file package name {catalog.PackageName} cannot match the file system package name {_fileSystem.PackageName}";
+                        return;
+                    }
+
+                    foreach (var wrapper in catalog.Wrappers)
+                    {
+                        var fileWrapper = new DefaultBuildinFileSystem.FileWrapper(wrapper.FileName);
+                        _fileSystem.RecordCatalogFile(wrapper.BundleGUID, fileWrapper);
+                    }
+
+                    YooLogger.Log($"Package '{_fileSystem.PackageName}' buildin catalog files count : {catalog.Wrappers.Count}");
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeed;
+                }
+                catch (Exception e)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = $"Failed to load catalog file : {catalogFilePath}";
-                    return;
+                    Error = $"Failed to load catalog file : {e.Message}";
                 }
-
-                if (catalog.PackageName != _fileSystem.PackageName)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = $"Catalog file package name {catalog.PackageName} cannot match the file system package name {_fileSystem.PackageName}";
-                    return;
-                }
-
-                foreach (var wrapper in catalog.Wrappers)
-                {
-                    var fileWrapper = new DefaultBuildinFileSystem.FileWrapper(wrapper.FileName);
-                    _fileSystem.RecordCatalogFile(wrapper.BundleGUID, fileWrapper);
-                }
-
-                YooLogger.Log($"Package '{_fileSystem.PackageName}' buildin catalog files count : {catalog.Wrappers.Count}");
-                _steps = ESteps.Done;
-                Status = EOperationStatus.Succeed;
             }
         }
     }

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/Operation/internal/LoadBuildinPackageManifestOperation.cs

@@ -69,8 +69,7 @@ namespace YooAsset
 
             if (_steps == ESteps.VerifyFileData)
             {
-                string fileHash = HashUtility.BytesCRC32(_webDataRequestOp.Result);
-                if (fileHash == _packageHash)
+                if (ManifestTools.VerifyManifestData(_webDataRequestOp.Result, _packageHash))
                 {
                     _steps = ESteps.LoadManifest;
                 }

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs

@@ -65,6 +65,11 @@ namespace YooAsset
         /// </summary>
         public EFileVerifyLevel FileVerifyLevel { private set; get; } = EFileVerifyLevel.Middle;
 
+        /// <summary>
+        /// 自定义参数：覆盖安装缓存清理模式
+        /// </summary>
+        public EOverwriteInstallClearMode InstallClearMode { private set; get; } = EOverwriteInstallClearMode.ClearAllManifestFiles;
+
         /// <summary>
         /// 自定义参数：数据文件追加文件格式
         /// </summary>
@@ -188,6 +193,10 @@ namespace YooAsset
             {
                 FileVerifyLevel = (EFileVerifyLevel)value;
             }
+            else if (name == FileSystemParametersDefine.INSTALL_CLEAR_MODE)
+            {
+                InstallClearMode = (EOverwriteInstallClearMode)value;
+            }
             else if (name == FileSystemParametersDefine.APPEND_FILE_EXTENSION)
             {
                 AppendFileExtension = Convert.ToBoolean(value);
@@ -227,8 +236,8 @@ namespace YooAsset
                 _packageRoot = packageRoot;
 
             _cacheBundleFilesRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.BundleFilesFolderName);
-            _tempFilesRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.TempFilesFolderName);
             _cacheManifestFilesRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.ManifestFilesFolderName);
+            _tempFilesRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.TempFilesFolderName);
         }
         public virtual void OnDestroy()
         {
@@ -500,7 +509,18 @@ namespace YooAsset
         }
 
         /// <summary>
-        /// 删除所有清单文件
+        /// 删除所有缓存的资源文件
+        /// </summary>
+        public void DeleteAllBundleFiles()
+        {
+            if (Directory.Exists(_cacheBundleFilesRoot))
+            {
+                Directory.Delete(_cacheBundleFilesRoot, true);
+            }
+        }
+
+        /// <summary>
+        /// 删除所有缓存的清单文件
         /// </summary>
         public void DeleteAllManifestFiles()
         {

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/EOverwriteInstallClearMode.cs

@@ -0,0 +1,29 @@
+
+namespace YooAsset
+{
+    /// <summary>
+    /// 覆盖安装清理模式
+    /// </summary>
+    public enum EOverwriteInstallClearMode
+    {
+        /// <summary>
+        /// 不做任何处理
+        /// </summary>
+        None = 0,
+
+        /// <summary>
+        /// 清理所有缓存文件（包含资源文件和清单文件）
+        /// </summary>
+        ClearAllCacheFiles = 1,
+
+        /// <summary>
+        /// 清理所有缓存的资源文件
+        /// </summary>
+        ClearAllBundleFiles = 2,
+
+        /// <summary>
+        /// 清理所有缓存的清单文件
+        /// </summary>
+        ClearAllManifestFiles = 3,
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/EOverwriteInstallClearMode.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c61fdc079dca97548a0158b8100ec258
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSInitializeOperation.cs

@@ -46,9 +46,32 @@ namespace YooAsset
                 // 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())
                 {
-                    _fileSystem.DeleteAllManifestFiles();
+                    if (_fileSystem.InstallClearMode == EOverwriteInstallClearMode.None)
+                    {
+                        YooLogger.Warning("Do nothing when overwrite install application !");
+                    }
+                    else if (_fileSystem.InstallClearMode == EOverwriteInstallClearMode.ClearAllCacheFiles)
+                    {
+                        _fileSystem.DeleteAllBundleFiles();
+                        _fileSystem.DeleteAllManifestFiles();
+                        YooLogger.Warning("Delete all cache files when overwrite install application !");
+                    }
+                    else if (_fileSystem.InstallClearMode == EOverwriteInstallClearMode.ClearAllBundleFiles)
+                    {
+                        _fileSystem.DeleteAllBundleFiles();
+                        YooLogger.Warning("Delete all bundle files when overwrite install application !");
+                    }
+                    else if (_fileSystem.InstallClearMode == EOverwriteInstallClearMode.ClearAllManifestFiles)
+                    {
+                        _fileSystem.DeleteAllManifestFiles();
+                        YooLogger.Warning("Delete all manifest files when overwrite install application !");
+                    }
+                    else
+                    {
+                        throw new System.NotImplementedException(_fileSystem.InstallClearMode.ToString());
+                    }
+
                     appFootPrint.Coverage(_fileSystem.PackageName);
-                    YooLogger.Warning("Delete manifest files when application foot print dirty !");
                 }
 
                 _steps = ESteps.SearchCacheFiles;

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/LoadCachePackageManifestOperation.cs

@@ -59,8 +59,7 @@ namespace YooAsset
 
             if (_steps == ESteps.VerifyFileData)
             {
-                string fileHash = HashUtility.BytesCRC32(_fileData);
-                if (fileHash == _packageHash)
+                if (ManifestTools.VerifyManifestData(_fileData, _packageHash))
                 {
                     _steps = ESteps.LoadManifest;
                 }

Assets/YooAsset/Runtime/FileSystem/DefaultEditorFileSystem/Operation/internal/LoadEditorPackageManifestOperation.cs

@@ -59,8 +59,7 @@ namespace YooAsset
 
             if (_steps == ESteps.VerifyFileData)
             {
-                string fileHash = HashUtility.BytesCRC32(_fileData);
-                if (fileHash == _packageHash)
+                if (ManifestTools.VerifyManifestData(_fileData, _packageHash))
                 {
                     _steps = ESteps.LoadManifest;
                 }

Assets/YooAsset/Runtime/FileSystem/DefaultUnpackFileSystem/DefaultUnpackFileSystem.cs

@@ -14,7 +14,8 @@ namespace YooAsset
             base.OnCreate(packageName, rootDirectory);
 
             // 注意：重写保存根目录和临时目录
-            _cacheBundleFilesRoot = PathUtility.Combine(_packageRoot, DefaultUnpackFileSystemDefine.SaveFilesFolderName);
+            _cacheBundleFilesRoot = PathUtility.Combine(_packageRoot, DefaultUnpackFileSystemDefine.SaveBundleFilesFolderName);
+            _cacheManifestFilesRoot = PathUtility.Combine(_packageRoot, DefaultUnpackFileSystemDefine.SaveManifestFilesFolderName);
             _tempFilesRoot = PathUtility.Combine(_packageRoot, DefaultUnpackFileSystemDefine.TempFilesFolderName);
         }
     }

Assets/YooAsset/Runtime/FileSystem/DefaultUnpackFileSystem/DefaultUnpackFileSystemDefine.cs

@@ -11,8 +11,13 @@ namespace YooAsset
         /// <summary>
         /// 保存的资源文件的文件夹名称
         /// </summary>
-        public const string SaveFilesFolderName = "UnpackFiles";
-        
+        public const string SaveBundleFilesFolderName = "UnpackBundleFiles";
+
+        /// <summary>
+        /// 保存的清单文件的文件夹名称
+        /// </summary>
+        public const string SaveManifestFilesFolderName = "UnpackManifestFiles";
+
         /// <summary>
         /// 下载的临时文件的文件夹名称
         /// </summary>

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/internal/LoadWebRemotePackageManifestOperation.cs

@@ -72,8 +72,7 @@ namespace YooAsset
 
             if (_steps == ESteps.VerifyFileData)
             {
-                string fileHash = HashUtility.BytesCRC32(_webDataRequestOp.Result);
-                if (fileHash == _packageHash)
+                if (ManifestTools.VerifyManifestData(_webDataRequestOp.Result, _packageHash))
                 {
                     _steps = ESteps.LoadManifest;
                 }

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/DefaultWebServerFileSystem.cs

@@ -198,10 +198,9 @@ namespace YooAsset
             string fileName = YooAssetSettingsData.GetManifestBinaryFileName(PackageName, packageVersion);
             return PathUtility.Combine(FileRoot, fileName);
         }
-        public string GetCatalogFileLoadPath()
+        public string GetCatalogBinaryFileLoadPath()
         {
-            string fileName = Path.GetFileNameWithoutExtension(DefaultBuildinFileSystemDefine.BuildinCatalogFileName);
-            return YooAssetSettingsData.GetYooResourcesLoadPath(PackageName, fileName);
+            return PathUtility.Combine(_webPackageRoot, DefaultBuildinFileSystemDefine.BuildinCatalogBinaryFileName);
         }
 
         /// <summary>

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/internal/LoadWebServerCatalogFileOperation.cs

@@ -2,7 +2,6 @@
 using System.IO;
 using System.Collections;
 using System.Collections.Generic;
-using UnityEngine;
 
 namespace YooAsset
 {
@@ -11,61 +10,84 @@ namespace YooAsset
         private enum ESteps
         {
             None,
+            RequestData,
             LoadCatalog,
             Done,
         }
 
         private readonly DefaultWebServerFileSystem _fileSystem;
+        private UnityWebDataRequestOperation _webDataRequestOp;
         private ESteps _steps = ESteps.None;
 
-        /// <summary>
-        /// 内置清单版本
-        /// </summary>
-        public string PackageVersion { private set; get; }
-
         internal LoadWebServerCatalogFileOperation(DefaultWebServerFileSystem fileSystem)
         {
             _fileSystem = fileSystem;
         }
         internal override void InternalStart()
         {
-            _steps = ESteps.LoadCatalog;
+            _steps = ESteps.RequestData;
         }
         internal override void InternalUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
+            if (_steps == ESteps.RequestData)
+            {
+                if (_webDataRequestOp == null)
+                {
+                    string filePath = _fileSystem.GetCatalogBinaryFileLoadPath();
+                    string url = DownloadSystemHelper.ConvertToWWWPath(filePath);
+                    _webDataRequestOp = new UnityWebDataRequestOperation(url);
+                    _webDataRequestOp.StartOperation();
+                    AddChildOperation(_webDataRequestOp);
+                }
+
+                _webDataRequestOp.UpdateOperation();
+                if (_webDataRequestOp.IsDone == false)
+                    return;
+
+                if (_webDataRequestOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.LoadCatalog;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _webDataRequestOp.Error;
+                }
+            }
+
             if (_steps == ESteps.LoadCatalog)
             {
-                string catalogFilePath = _fileSystem.GetCatalogFileLoadPath();
-                var catalog = Resources.Load<DefaultBuildinFileCatalog>(catalogFilePath);
-                if (catalog == null)
+                try
+                {
+                    var catalog = CatalogTools.DeserializeFromBinary(_webDataRequestOp.Result);
+                    if (catalog.PackageName != _fileSystem.PackageName)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"Catalog file package name {catalog.PackageName} cannot match the file system package name {_fileSystem.PackageName}";
+                        return;
+                    }
+
+                    foreach (var wrapper in catalog.Wrappers)
+                    {
+                        var fileWrapper = new DefaultWebServerFileSystem.FileWrapper(wrapper.FileName);
+                        _fileSystem.RecordCatalogFile(wrapper.BundleGUID, fileWrapper);
+                    }
+
+                    YooLogger.Log($"Package '{_fileSystem.PackageName}' buildin catalog files count : {catalog.Wrappers.Count}");
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeed;
+                }
+                catch (Exception e)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = $"Failed to load web server catalog file : {catalogFilePath}";
-                    return;
+                    Error = $"Failed to load catalog file : {e.Message}";
                 }
-
-                if (catalog.PackageName != _fileSystem.PackageName)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = $"Web server catalog file package name {catalog.PackageName} cannot match the file system package name {_fileSystem.PackageName}";
-                    return;
-                }
-
-                PackageVersion = catalog.PackageVersion;
-                foreach (var wrapper in catalog.Wrappers)
-                {
-                    var fileWrapper = new DefaultWebServerFileSystem.FileWrapper(wrapper.FileName);
-                    _fileSystem.RecordCatalogFile(wrapper.BundleGUID, fileWrapper);
-                }
-
-                YooLogger.Log($"Package '{_fileSystem.PackageName}' catalog files count : {catalog.Wrappers.Count}");
-                _steps = ESteps.Done;
-                Status = EOperationStatus.Succeed;
             }
         }
     }

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/internal/LoadWebServerPackageManifestOperation.cs

@@ -69,8 +69,7 @@ namespace YooAsset
 
             if (_steps == ESteps.VerifyFileData)
             {
-                string fileHash = HashUtility.BytesCRC32(_webDataRequestOp.Result);
-                if (fileHash == _packageHash)
+                if (ManifestTools.VerifyManifestData(_webDataRequestOp.Result, _packageHash))
                 {
                     _steps = ESteps.LoadManifest;
                 }

Assets/YooAsset/Runtime/FileSystem/FileSystemParametersDefine.cs

@@ -4,6 +4,7 @@ namespace YooAsset
     public class FileSystemParametersDefine
     {
         public const string FILE_VERIFY_LEVEL = "FILE_VERIFY_LEVEL";
+        public const string INSTALL_CLEAR_MODE = "INSTALL_CLEAR_MODE";
         public const string REMOTE_SERVICES = "REMOTE_SERVICES";
         public const string DECRYPTION_SERVICES = "DECRYPTION_SERVICES";
         public const string APPEND_FILE_EXTENSION = "APPEND_FILE_EXTENSION";

Assets/YooAsset/Runtime/InitializeParameters.cs

@@ -38,6 +38,10 @@ namespace YooAsset
     /// </summary>
     public abstract class InitializeParameters
     {
+        /// <summary>
+        /// 同时加载Bundle文件的最大并发数
+        /// </summary>
+        public int BundleLoadingMaxConcurrency = int.MaxValue;
     }
 
     /// <summary>

Assets/YooAsset/Runtime/ResourceManager/Operation/Internal/LoadBundleFileOperation.cs

@@ -9,7 +9,8 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            LoadFile,
+            CheckConcurrency,
+            LoadBundleFile,
             Done,
         }
 
@@ -57,17 +58,32 @@ namespace YooAsset
         }
         internal override void InternalStart()
         {
-            _steps = ESteps.LoadFile;
+            _steps = ESteps.CheckConcurrency;
         }
         internal override void InternalUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.LoadFile)
+            if (_steps == ESteps.CheckConcurrency)
+            {
+                if (IsWaitForAsyncComplete)
+                {
+                    _steps = ESteps.LoadBundleFile;
+                }
+                else
+                {
+                    if (_resourceManager.BundleLoadingIsBusy())
+                        return;
+                    _steps = ESteps.LoadBundleFile;
+                }
+            }
+
+            if (_steps == ESteps.LoadBundleFile)
             {
                 if (_loadBundleOp == null)
                 {
+                    _resourceManager.BundleLoadingCounter++;
                     _loadBundleOp = LoadBundleInfo.LoadBundleFile();
                     _loadBundleOp.StartOperation();
                     AddChildOperation(_loadBundleOp);
@@ -103,6 +119,9 @@ namespace YooAsset
                     Status = EOperationStatus.Failed;
                     Error = _loadBundleOp.Error;
                 }
+
+                // 统计计数减少
+                _resourceManager.BundleLoadingCounter--;
             }
         }
         internal override void InternalWaitForAsyncComplete()

Assets/YooAsset/Runtime/ResourceManager/Operation/UnloadUnusedAssetsOperation.cs

@@ -15,6 +15,7 @@ namespace YooAsset
 
         private readonly ResourceManager _resManager;
         private readonly int _loopCount;
+        private int _loopCounter = 0;
         private ESteps _steps = ESteps.None;
 
         internal UnloadUnusedAssetsOperation(ResourceManager resourceManager, int loopCount)
@@ -25,6 +26,7 @@ namespace YooAsset
         internal override void InternalStart()
         {
             _steps = ESteps.UnloadUnused;
+            _loopCounter = _loopCount;
         }
         internal override void InternalUpdate()
         {
@@ -33,13 +35,23 @@ namespace YooAsset
 
             if (_steps == ESteps.UnloadUnused)
             {
-                for (int i = 0; i < _loopCount; i++)
+                while (_loopCounter > 0)
                 {
+                    _loopCounter--;
                     LoopUnloadUnused();
+
+                    if (IsWaitForAsyncComplete == false)
+                    {
+                        if (OperationSystem.IsBusy)
+                            break;
+                    }
                 }
 
-                _steps = ESteps.Done;
-                Status = EOperationStatus.Succeed;
+                if (_loopCounter <= 0)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeed;
+                }
             }
         }
         internal override void InternalWaitForAsyncComplete()

Assets/YooAsset/Runtime/ResourceManager/ResourceManager.cs

@@ -14,6 +14,7 @@ namespace YooAsset
         internal readonly List<SceneHandle> SceneHandles = new List<SceneHandle>(100);
         private long _sceneCreateIndex = 0;
         private IBundleQuery _bundleQuery;
+        private int _bundleLoadingMaxConcurrency;
 
         /// <summary>
         /// 所属包裹
@@ -25,6 +26,11 @@ namespace YooAsset
         /// </summary>
         public bool LockLoadOperation = false;
 
+        /// <summary>
+        /// 统计正在加载的Bundle文件数量
+        /// </summary>
+        public int BundleLoadingCounter = 0;
+
 
         public ResourceManager(string packageName)
         {
@@ -34,8 +40,9 @@ namespace YooAsset
         /// <summary>
         /// 初始化
         /// </summary>
-        public void Initialize(IBundleQuery bundleServices)
+        public void Initialize(InitializeParameters parameters, IBundleQuery bundleServices)
         {
+            _bundleLoadingMaxConcurrency = parameters.BundleLoadingMaxConcurrency;
             _bundleQuery = bundleServices;
             SceneManager.sceneUnloaded += OnSceneUnloaded;
         }
@@ -310,6 +317,10 @@ namespace YooAsset
         {
             return LoaderDic.Count > 0;
         }
+        internal bool BundleLoadingIsBusy()
+        {
+            return BundleLoadingCounter >= _bundleLoadingMaxConcurrency;
+        }
 
         private LoadBundleFileOperation CreateBundleFileLoaderInternal(BundleInfo bundleInfo)
         {

Assets/YooAsset/Runtime/ResourcePackage/ManifestDefine.cs

@@ -0,0 +1,21 @@
+
+namespace YooAsset
+{
+    public class ManifestDefine
+    {
+        /// <summary>
+        /// 文件极限大小（100MB）
+        /// </summary>
+        public const int FileMaxSize = 104857600;
+
+        /// <summary>
+        /// 文件头标记
+        /// </summary>
+        public const uint FileSign = 0x594F4F;
+
+        /// <summary>
+        /// 文件格式版本
+        /// </summary>
+        public const string FileVersion = "2.3.1";
+    }
+}

Assets/YooAsset/Runtime/ResourcePackage/ManifestDefine.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3282b72521a19144292a482e50ba0429
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/ResourcePackage/ManifestTools.cs

@@ -8,7 +8,30 @@ namespace YooAsset
 {
     internal static class ManifestTools
     {
-#if UNITY_EDITOR
+        /// <summary>
+        /// 验证清单文件的二进制数据
+        /// </summary>
+        public static bool VerifyManifestData(byte[] fileData, string hashValue)
+        {
+            if (fileData == null || fileData.Length == 0)
+                return false;
+            if (string.IsNullOrEmpty(hashValue))
+                return false;
+
+            // 注意：兼容俩种验证方式
+            // 注意：计算MD5的哈希值通常为32个字符
+            string fileHash;
+            if (hashValue.Length == 32)
+                fileHash = HashUtility.BytesMD5(fileData);
+            else
+                fileHash = HashUtility.BytesCRC32(fileData);
+
+            if (fileHash == hashValue)
+                return true;
+            else
+                return false;
+        }
+
         /// <summary>
         /// 序列化（JSON文件）
         /// </summary>
@@ -26,10 +49,10 @@ namespace YooAsset
             using (FileStream fs = new FileStream(savePath, FileMode.Create))
             {
                 // 创建缓存器
-                BufferWriter buffer = new BufferWriter(YooAssetSettings.ManifestFileMaxSize);
+                BufferWriter buffer = new BufferWriter(ManifestDefine.FileMaxSize);
 
                 // 写入文件标记
-                buffer.WriteUInt32(YooAssetSettings.ManifestFileSign);
+                buffer.WriteUInt32(ManifestDefine.FileSign);
 
                 // 写入文件版本
                 buffer.WriteUTF8(manifest.FileVersion);
@@ -97,13 +120,13 @@ namespace YooAsset
 
             // 读取文件标记
             uint fileSign = buffer.ReadUInt32();
-            if (fileSign != YooAssetSettings.ManifestFileSign)
+            if (fileSign != ManifestDefine.FileSign)
                 throw new Exception("Invalid manifest file !");
 
             // 读取文件版本
             string fileVersion = buffer.ReadUTF8();
-            if (fileVersion != YooAssetSettings.ManifestFileVersion)
-                throw new Exception($"The manifest file version are not compatible : {fileVersion} != {YooAssetSettings.ManifestFileVersion}");
+            if (fileVersion != ManifestDefine.FileVersion)
+                throw new Exception($"The manifest file version are not compatible : {fileVersion} != {ManifestDefine.FileVersion}");
 
             PackageManifest manifest = new PackageManifest();
             {
@@ -160,7 +183,7 @@ namespace YooAsset
             InitManifest(manifest);
             return manifest;
         }
-#endif
+
 
         #region 解析资源清单辅助方法
         public static void InitManifest(PackageManifest manifest)
@@ -198,9 +221,16 @@ namespace YooAsset
             manifest.AssetDic = new Dictionary<string, PackageAsset>(assetCount);
 
             if (manifest.EnableAddressable)
+            {
                 manifest.AssetPathMapping1 = new Dictionary<string, string>(assetCount * 3);
+            }
             else
-                manifest.AssetPathMapping1 = new Dictionary<string, string>(assetCount * 2);
+            {
+                if (manifest.LocationToLower)
+                    manifest.AssetPathMapping1 = new Dictionary<string, string>(assetCount * 2, StringComparer.OrdinalIgnoreCase);
+                else
+                    manifest.AssetPathMapping1 = new Dictionary<string, string>(assetCount * 2);
+            }
 
             if (manifest.IncludeAssetGUID)
                 manifest.AssetPathMapping2 = new Dictionary<string, string>(assetCount);
@@ -222,8 +252,6 @@ namespace YooAsset
             // 填充AssetPathMapping1
             {
                 string location = packageAsset.AssetPath;
-                if (manifest.LocationToLower)
-                    location = location.ToLower();
 
                 // 添加原生路径的映射
                 if (manifest.AssetPathMapping1.ContainsKey(location))

Assets/YooAsset/Runtime/ResourcePackage/Operation/Internal/DeserializeManifestOperation.cs

@@ -57,7 +57,7 @@ namespace YooAsset
 
                     // 读取文件标记
                     uint fileSign = _buffer.ReadUInt32();
-                    if (fileSign != YooAssetSettings.ManifestFileSign)
+                    if (fileSign != ManifestDefine.FileSign)
                     {
                         _steps = ESteps.Done;
                         Status = EOperationStatus.Failed;
@@ -67,11 +67,11 @@ namespace YooAsset
 
                     // 读取文件版本
                     string fileVersion = _buffer.ReadUTF8();
-                    if (fileVersion != YooAssetSettings.ManifestFileVersion)
+                    if (fileVersion != ManifestDefine.FileVersion)
                     {
                         _steps = ESteps.Done;
                         Status = EOperationStatus.Failed;
-                        Error = $"The manifest file version are not compatible : {fileVersion} != {YooAssetSettings.ManifestFileVersion}";
+                        Error = $"The manifest file version are not compatible : {fileVersion} != {ManifestDefine.FileVersion}";
                         return;
                     }
 

Assets/YooAsset/Runtime/ResourcePackage/PackageManifest.cs

@@ -138,9 +138,6 @@ namespace YooAsset
             if (string.IsNullOrEmpty(location))
                 return string.Empty;
 
-            if (LocationToLower)
-                location = location.ToLower();
-
             if (AssetPathMapping1.TryGetValue(location, out string assetPath))
                 return assetPath;
             else
@@ -307,9 +304,6 @@ namespace YooAsset
                 return string.Empty;
             }
 
-            if (LocationToLower)
-                location = location.ToLower();
-
             if (AssetPathMapping1.TryGetValue(location, out string assetPath))
             {
                 return assetPath;

Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs

@@ -100,7 +100,7 @@ namespace YooAsset
             var playModeImpl = new PlayModeImpl(PackageName, _playMode);
             _bundleQuery = playModeImpl;
             _playModeImpl = playModeImpl;
-            _resourceManager.Initialize(_bundleQuery);
+            _resourceManager.Initialize(parameters, _bundleQuery);
 
             // 初始化资源系统
             InitializationOperation initializeOperation;
@@ -162,6 +162,10 @@ namespace YooAsset
                 throw new Exception($"Editor simulate mode only support unity editor.");
 #endif
 
+            // 检测初始化参数
+            if (parameters.BundleLoadingMaxConcurrency <= 0)
+                throw new Exception($"{nameof(parameters.BundleLoadingMaxConcurrency)} value must be greater than zero.");
+
             // 鉴定运行模式
             if (parameters is EditorSimulateModeParameters)
                 _playMode = EPlayMode.EditorSimulateMode;

Assets/YooAsset/Runtime/Settings/YooAssetSettings.cs

@@ -16,22 +16,6 @@ namespace YooAsset
         public string PackageManifestPrefix = string.Empty;
         
 
-        /// <summary>
-        /// 清单文件头标记
-        /// </summary>
-        public const uint ManifestFileSign = 0x594F4F;
-
-        /// <summary>
-        /// 清单文件极限大小（100MB）
-        /// </summary>
-        public const int ManifestFileMaxSize = 104857600;
-
-        /// <summary>
-        /// 清单文件格式版本
-        /// </summary>
-        public const string ManifestFileVersion = "2.3.1";
-
-
         /// <summary>
         /// 构建输出文件夹名称
         /// </summary>

Assets/YooAsset/Runtime/Settings/YooAssetSettingsData.cs

@@ -106,28 +106,6 @@ namespace YooAsset
         }
 
         #region 路径相关
-        /// <summary>
-        /// 获取YOO的Resources目录的加载路径
-        /// </summary>
-        internal static string GetYooResourcesLoadPath(string packageName, string fileName)
-        {
-            if (string.IsNullOrEmpty(Setting.DefaultYooFolderName))
-                return PathUtility.Combine(packageName, fileName);
-            else
-                return PathUtility.Combine(Setting.DefaultYooFolderName, packageName, fileName);
-        }
-
-        /// <summary>
-        /// 获取YOO的Resources目录的全路径
-        /// </summary>
-        internal static string GetYooResourcesFullPath()
-        {
-            if (string.IsNullOrEmpty(Setting.DefaultYooFolderName))
-                return $"Assets/Resources";
-            else
-                return $"Assets/Resources/{Setting.DefaultYooFolderName}";
-        }
-
         /// <summary>
         /// 获取YOO的编辑器下缓存文件根目录
         /// </summary>

Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/WechatFileSystem/Operation/WXFSClearUnusedBundleFilesAsync.cs

@@ -17,7 +17,7 @@ internal class WXFSClearUnusedBundleFilesAsync : FSClearCacheFilesOperation
 
     private readonly WechatFileSystem _fileSystem;
     private readonly PackageManifest _manifest;
-    private List<string> _unusedCacheFiles;
+    private List<string> _unusedCacheFiles = new List<string>(1000);
     private int _unusedFileTotalCount = 0;
     private ESteps _steps = ESteps.None;
 

Assets/YooAsset/Samples~/Space Shooter/GameScript/Runtime/PatchLogic/PatchWindow.cs

@@ -126,7 +126,7 @@ public class PatchWindow : MonoBehaviour
             {
                 UserEventDefine.UserTryRequestPackageVersion.SendEventMessage();
             };
-            ShowMessageBox($"Failed to update static version, please check the network status.", callback);
+            ShowMessageBox($"Failed to request package version, please check the network status.", callback);
         }
         else if (message is PatchEventDefine.PackageManifestUpdateFailed)
         {

Assets/YooAsset/Samples~/Test Sample/Editor/TestPackageBuilder.cs

@@ -71,7 +71,7 @@ public static class TestPackageBuilder
             buildParameters.ClearBuildCacheFiles = true;
             buildParameters.UseAssetDependencyDB = true;
             buildParameters.BuiltinShadersBundleName = builtinShaderBundleName;
-            buildParameters.EncryptionServices = new FileStreamEncryption();
+            buildParameters.EncryptionServices = new FileStreamTestEncryption();
 
             var pipeline = new ScriptableBuildPipeline();
             BuildResult buildResult = pipeline.Run(buildParameters, false);
@@ -108,7 +108,7 @@ public static class TestPackageBuilder
             buildParameters.CompressOption = ECompressOption.LZ4;
             buildParameters.ClearBuildCacheFiles = true;
             buildParameters.UseAssetDependencyDB = true;
-            buildParameters.EncryptionServices = new FileStreamEncryption();
+            buildParameters.EncryptionServices = new FileStreamTestEncryption();
 
             var pipeline = new BuiltinBuildPipeline();
             BuildResult buildResult = pipeline.Run(buildParameters, false);

Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/T2_TestBuldinFileSystem.cs

@@ -60,7 +60,7 @@ public class T2_TestBuldinFileSystem : IPrebuildSetup, IPostBuildCleanup
 
             // 初始化资源包
             var initParams = new OfflinePlayModeParameters();
-            var decryption = new FileStreamDecryption();
+            var decryption = new FileStreamTestDecryption();
             initParams.BuildinFileSystemParameters = FileSystemParameters.CreateDefaultBuildinFileSystemParameters(decryption, packageRoot);
             var initializeOp = package.InitializeAsync(initParams);
             yield return initializeOp;

Assets/YooAsset/Samples~/Test Sample/Runtime/T2_TestBuldinFileSystem/TestBundleEncryption.cs

@@ -34,7 +34,7 @@ public class TestBundleEncryption
 /// <summary>
 /// 文件流加密方式
 /// </summary>
-public class FileStreamEncryption : IEncryptionServices
+public class FileStreamTestEncryption : IEncryptionServices
 {
     public EncryptResult Encrypt(EncryptFileInfo fileInfo)
     {
@@ -64,7 +64,7 @@ public class FileStreamEncryption : IEncryptionServices
 /// <summary>
 /// 文件偏移加密方式
 /// </summary>
-public class FileOffsetEncryption : IEncryptionServices
+public class FileOffsetTestEncryption : IEncryptionServices
 {
     public EncryptResult Encrypt(EncryptFileInfo fileInfo)
     {
@@ -119,7 +119,7 @@ public class BundleStream : FileStream
 /// <summary>
 /// 资源文件流解密类
 /// </summary>
-public class FileStreamDecryption : IDecryptionServices
+public class FileStreamTestDecryption : IDecryptionServices
 {
     /// <summary>
     /// 同步方式获取解密的资源包对象
@@ -172,7 +172,7 @@ public class FileStreamDecryption : IDecryptionServices
 /// <summary>
 /// 资源文件偏移解密类
 /// </summary>
-public class FileOffsetDecryption : IDecryptionServices
+public class FileOffsetTestDecryption : IDecryptionServices
 {
     /// <summary>
     /// 同步方式获取解密的资源包对象
@@ -224,7 +224,7 @@ public class FileOffsetDecryption : IDecryptionServices
 /// WebGL平台解密类
 /// 注意：WebGL平台支持内存解密
 /// </summary>
-public class WebFileStreamDecryption : IWebDecryptionServices
+public class WebFileStreamTestDecryption : IWebDecryptionServices
 {
     public WebDecryptResult LoadAssetBundle(WebDecryptFileInfo fileInfo)
     {

Assets/YooAsset/package.json

@@ -1,7 +1,7 @@
 {
     "name": "com.tuyoogame.yooasset",
     "displayName": "YooAsset",
-    "version": "2.3.5-preview",
+    "version": "2.3.7",
     "unity": "2019.4",
     "description": "unity3d resources management system.",
     "author": {