refactor : default cache file system

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Interface/ICacheSystem.cs

@@ -9,6 +9,21 @@ namespace YooAsset
         /// </summary>
         string GetCacheFileRoot();
 
+        /// <summary>
+        /// 获取临时缓存文件路径
+        /// </summary>
+        string GetTempFilePath(PackageBundle bundle);
+
+        /// <summary>
+        /// 获取数据文件路径
+        /// </summary>
+        string GetDataFilePath(PackageBundle bundle);
+
+        /// <summary>
+        /// 获取信息文件路径
+        /// </summary>
+        string GetInfoFilePath(PackageBundle bundle);
+
         /// <summary>
         /// 获取所有缓存文件的GUID
         /// </summary>

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/DownloadNormalFileOperation.cs

@@ -0,0 +1,199 @@
+using System.IO;
+using UnityEngine;
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+    internal sealed class DownloadNormalFileOperation : DefaultDownloadFileOperation
+    {
+        private readonly IFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
+        private VerifyTempFileOperation _verifyOperation;
+        private string _tempFilePath;
+        private ESteps _steps = ESteps.None;
+
+        internal DownloadNormalFileOperation(IFileSystem fileSystem, ICacheSystem cacheSystem, PackageBundle bundle, DownloadParam param) : base(bundle, param)
+        {
+            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
+        }
+        internal override void InternalOnStart()
+        {
+            _tempFilePath = _cacheSystem.GetTempFilePath(Bundle);
+            _steps = ESteps.CheckExists;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            // 检测文件是否存在
+            if (_steps == ESteps.CheckExists)
+            {
+                if (_fileSystem.Exists(Bundle))
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeed;
+                }
+                else
+                {
+                    _steps = ESteps.CreateRequest;
+                }
+            }
+
+            // 创建下载器
+            if (_steps == ESteps.CreateRequest)
+            {
+                FileUtility.CreateFileDirectory(_tempFilePath);
+
+                // 删除临时文件
+                if (File.Exists(_tempFilePath))
+                    File.Delete(_tempFilePath);
+
+                // 获取请求地址
+                _requestURL = GetRequestURL();
+
+                // 重置请求
+                ResetRequestFiled();
+
+                // 创建下载器
+                CreateWebRequest();
+
+                _steps = ESteps.CheckRequest;
+            }
+
+            // 检测下载结果
+            if (_steps == ESteps.CheckRequest)
+            {
+                DownloadProgress = _webRequest.downloadProgress;
+                DownloadedBytes = (long)_webRequest.downloadedBytes;
+                Progress = DownloadProgress;
+                if (_webRequest.isDone == false)
+                {
+                    CheckRequestTimeout();
+                    return;
+                }
+
+                // 检查网络错误
+                if (CheckRequestResult())
+                    _steps = ESteps.VerifyTempFile;
+                else
+                    _steps = ESteps.TryAgain;
+
+                // 注意：最终释放请求器
+                DisposeWebRequest();
+            }
+
+            // 验证下载文件
+            if (_steps == ESteps.VerifyTempFile)
+            {
+                var element = new TempFileElement(_tempFilePath, Bundle.FileCRC, Bundle.FileSize);
+                _verifyOperation = new VerifyTempFileOperation(element);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _verifyOperation);
+                _steps = ESteps.CheckVerifyTempFile;
+            }
+
+            // 等待验证完成
+            if (_steps == ESteps.CheckVerifyTempFile)
+            {
+                if (IsWaitForAsyncComplete)
+                    _verifyOperation.WaitForAsyncComplete();
+
+                if (_verifyOperation.IsDone == false)
+                    return;
+
+                if (_verifyOperation.Status == EOperationStatus.Succeed)
+                {
+                    if (_cacheSystem.WriteCacheFile(Bundle, _tempFilePath))
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Succeed;
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"{_fileSystem.GetType().FullName} failed to write file !";
+                        YooLogger.Error(Error);
+                    }
+                }
+                else
+                {
+                    _steps = ESteps.TryAgain;
+                    Error = _verifyOperation.Error;
+                }
+
+                // 注意：验证完成后直接删除文件
+                if (File.Exists(_tempFilePath))
+                    File.Delete(_tempFilePath);
+            }
+
+            // 重新尝试下载
+            if (_steps == ESteps.TryAgain)
+            {
+                if (FailedTryAgain <= 0)
+                {
+                    Status = EOperationStatus.Failed;
+                    _steps = ESteps.Done;
+                    YooLogger.Error(Error);
+                    return;
+                }
+
+                _tryAgainTimer += Time.unscaledDeltaTime;
+                if (_tryAgainTimer > 1f)
+                {
+                    FailedTryAgain--;
+                    _steps = ESteps.CreateRequest;
+                    YooLogger.Warning(Error);
+                }
+            }
+        }
+        internal override void InternalOnAbort()
+        {
+            _steps = ESteps.Done;
+            DisposeWebRequest();
+        }
+        internal override void InternalWaitForAsyncComplete()
+        {
+            bool isReuqestLocalFile = IsRequestLocalFile();
+
+            while (true)
+            {
+                // 注意：如果是导入或解压本地文件，执行等待完毕
+                if (isReuqestLocalFile)
+                {
+                    InternalOnUpdate();
+                    if (IsDone)
+                        break;
+                }
+                else
+                {
+                    if (ExecuteWhileDone())
+                    {
+                        _steps = ESteps.Done;
+                        break;
+                    }
+                }
+            }
+        }
+
+        private void CreateWebRequest()
+        {
+            _webRequest = DownloadSystemHelper.NewUnityWebRequestGet(_requestURL);
+            DownloadHandlerFile handler = new DownloadHandlerFile(_tempFilePath);
+            handler.removeFileOnAbort = true;
+            _webRequest.downloadHandler = handler;
+            _webRequest.disposeDownloadHandlerOnDispose = true;
+            _webRequest.SendWebRequest();
+        }
+        private void DisposeWebRequest()
+        {
+            if (_webRequest != null)
+            {
+                //注意：引擎底层会自动调用Abort方法
+                _webRequest.Dispose();
+                _webRequest = null;
+            }
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/DownloadNormalFileOperation.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: d6f813e2460f55e4ba3f54527e6999e3
+guid: 759967d543776a0469b625eff171d235
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/DownloadResumeFileOperation.cs

@@ -1,203 +1,15 @@
-using System.IO;
+using System.Collections.Generic;
+using System.IO;
 using UnityEngine;
 using UnityEngine.Networking;
 
 namespace YooAsset
 {
-    internal sealed class DCFSDownloadNormalFileOperation : DefaultDownloadFileOperation
+    internal sealed class DownloadResumeFileOperation : DefaultDownloadFileOperation
     {
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly IFileSystem _fileSystem;
-        private VerifyTempFileOperation _verifyOperation;
+        private readonly ICacheSystem _cacheSystem;
-        private string _tempFilePath;
+        private readonly List<long> _responseCodes;
-        private ESteps _steps = ESteps.None;
-
-        internal DCFSDownloadNormalFileOperation(DefaultCacheFileSystem fileSystem, PackageBundle bundle, DownloadParam param) : base(bundle, param)
-        {
-            _fileSystem = fileSystem;
-        }
-        internal override void InternalOnStart()
-        {
-            _tempFilePath = _fileSystem.GetTempFilePath(Bundle);
-            _steps = ESteps.CheckExists;
-        }
-        internal override void InternalOnUpdate()
-        {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            // 检测文件是否存在
-            if (_steps == ESteps.CheckExists)
-            {
-                if (_fileSystem.Exists(Bundle))
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeed;
-                }
-                else
-                {
-                    _steps = ESteps.CreateRequest;
-                }
-            }
-
-            // 创建下载器
-            if (_steps == ESteps.CreateRequest)
-            {
-                FileUtility.CreateFileDirectory(_tempFilePath);
-
-                // 删除临时文件
-                if (File.Exists(_tempFilePath))
-                    File.Delete(_tempFilePath);
-
-                // 获取请求地址
-                _requestURL = GetRequestURL();
-
-                // 重置请求
-                ResetRequestFiled();
-
-                // 创建下载器
-                CreateWebRequest();
-
-                _steps = ESteps.CheckRequest;
-            }
-
-            // 检测下载结果
-            if (_steps == ESteps.CheckRequest)
-            {
-                DownloadProgress = _webRequest.downloadProgress;
-                DownloadedBytes = (long)_webRequest.downloadedBytes;
-                Progress = DownloadProgress;
-                if (_webRequest.isDone == false)
-                {
-                    CheckRequestTimeout();
-                    return;
-                }
-
-                // 检查网络错误
-                if (CheckRequestResult())
-                    _steps = ESteps.VerifyTempFile;
-                else
-                    _steps = ESteps.TryAgain;
-
-                // 注意：最终释放请求器
-                DisposeWebRequest();
-            }
-
-            // 验证下载文件
-            if (_steps == ESteps.VerifyTempFile)
-            {
-                var element = new TempFileElement(_tempFilePath, Bundle.FileCRC, Bundle.FileSize);
-                _verifyOperation = new VerifyTempFileOperation(element);
-                OperationSystem.StartOperation(_fileSystem.PackageName, _verifyOperation);
-                _steps = ESteps.CheckVerifyTempFile;
-            }
-
-            // 等待验证完成
-            if (_steps == ESteps.CheckVerifyTempFile)
-            {
-                if (IsWaitForAsyncComplete)
-                    _verifyOperation.WaitForAsyncComplete();
-
-                if (_verifyOperation.IsDone == false)
-                    return;
-
-                if (_verifyOperation.Status == EOperationStatus.Succeed)
-                {
-                    if (_fileSystem.WriteCacheFile(Bundle, _tempFilePath))
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Succeed;
-                    }
-                    else
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Failed;
-                        Error = $"{_fileSystem.GetType().FullName} failed to write file !";
-                        YooLogger.Error(Error);
-                    }
-                }
-                else
-                {
-                    _steps = ESteps.TryAgain;
-                    Error = _verifyOperation.Error;
-                }
-
-                // 注意：验证完成后直接删除文件
-                if (File.Exists(_tempFilePath))
-                    File.Delete(_tempFilePath);
-            }
-
-            // 重新尝试下载
-            if (_steps == ESteps.TryAgain)
-            {
-                if (FailedTryAgain <= 0)
-                {
-                    Status = EOperationStatus.Failed;
-                    _steps = ESteps.Done;
-                    YooLogger.Error(Error);
-                    return;
-                }
-
-                _tryAgainTimer += Time.unscaledDeltaTime;
-                if (_tryAgainTimer > 1f)
-                {
-                    FailedTryAgain--;
-                    _steps = ESteps.CreateRequest;
-                    YooLogger.Warning(Error);
-                }
-            }
-        }
-        internal override void InternalOnAbort()
-        {
-            _steps = ESteps.Done;
-            DisposeWebRequest();
-        }
-        internal override void InternalWaitForAsyncComplete()
-        {
-            bool isReuqestLocalFile = IsRequestLocalFile();
-
-            while (true)
-            {
-                // 注意：如果是导入或解压本地文件，执行等待完毕
-                if (isReuqestLocalFile)
-                {
-                    InternalOnUpdate();
-                    if (IsDone)
-                        break;
-                }
-                else
-                {
-                    if (ExecuteWhileDone())
-                    {
-                        _steps = ESteps.Done;
-                        break;
-                    }
-                }
-            }
-        }
-
-        private void CreateWebRequest()
-        {
-            _webRequest = DownloadSystemHelper.NewUnityWebRequestGet(_requestURL);
-            DownloadHandlerFile handler = new DownloadHandlerFile(_tempFilePath);
-            handler.removeFileOnAbort = true;
-            _webRequest.downloadHandler = handler;
-            _webRequest.disposeDownloadHandlerOnDispose = true;
-            _webRequest.SendWebRequest();
-        }
-        private void DisposeWebRequest()
-        {
-            if (_webRequest != null)
-            {
-                //注意：引擎底层会自动调用Abort方法
-                _webRequest.Dispose();
-                _webRequest = null;
-            }
-        }
-    }
-
-    internal sealed class DCFSDownloadResumeFileOperation : DefaultDownloadFileOperation
-    {
-        private readonly DefaultCacheFileSystem _fileSystem;
         private DownloadHandlerFileRange _downloadHandle;
         private VerifyTempFileOperation _verifyOperation;
         private long _fileOriginLength = 0;
@@ -205,13 +17,15 @@ namespace YooAsset
         private ESteps _steps = ESteps.None;
 
 
-        internal DCFSDownloadResumeFileOperation(DefaultCacheFileSystem fileSystem, PackageBundle bundle, DownloadParam param) : base(bundle, param)
+        internal DownloadResumeFileOperation(IFileSystem fileSystem, ICacheSystem cacheSystem, PackageBundle bundle, DownloadParam param, List<long> responseCodes) : base(bundle, param)
         {
             _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
+            _responseCodes = responseCodes;
         }
         internal override void InternalOnStart()
         {
-            _tempFilePath = _fileSystem.GetTempFilePath(Bundle);
+            _tempFilePath = _cacheSystem.GetTempFilePath(Bundle);
             _steps = ESteps.CheckExists;
         }
         internal override void InternalOnUpdate()
@@ -313,7 +127,7 @@ namespace YooAsset
 
                 if (_verifyOperation.Status == EOperationStatus.Succeed)
                 {
-                    if (_fileSystem.WriteCacheFile(Bundle, _tempFilePath))
+                    if (_cacheSystem.WriteCacheFile(Bundle, _tempFilePath))
                     {
                         Status = EOperationStatus.Succeed;
                         _steps = ESteps.Done;
@@ -418,11 +232,11 @@ namespace YooAsset
         }
         private void ClearTempFileWhenError()
         {
-            if (_fileSystem.ResumeDownloadResponseCodes == null)
+            if (_responseCodes == null)
                 return;
 
             //说明：如果遇到以下错误返回码，验证失败直接删除文件
-            if (_fileSystem.ResumeDownloadResponseCodes.Contains(HttpCode))
+            if (_responseCodes.Contains(HttpCode))
             {
                 if (File.Exists(_tempFilePath))
                     File.Delete(_tempFilePath);

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/DownloadResumeFileOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 9bfb785912326f942a31dc77762eb16a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -10,36 +10,6 @@ namespace YooAsset
     /// </summary>
     internal class DefaultBuildinFileSystem : IFileSystem
     {
-        private class UnpackRemoteServices : IRemoteServices
-        {
-            private readonly string _buildinPackageRoot;
-            protected readonly Dictionary<string, string> _mapping = new Dictionary<string, string>(10000);
-
-            public UnpackRemoteServices(string buildinPackRoot)
-            {
-                _buildinPackageRoot = buildinPackRoot;
-            }
-            string IRemoteServices.GetRemoteMainURL(string fileName)
-            {
-                return GetFileLoadURL(fileName);
-            }
-            string IRemoteServices.GetRemoteFallbackURL(string fileName)
-            {
-                return GetFileLoadURL(fileName);
-            }
-
-            private string GetFileLoadURL(string fileName)
-            {
-                if (_mapping.TryGetValue(fileName, out string url) == false)
-                {
-                    string filePath = PathUtility.Combine(_buildinPackageRoot, fileName);
-                    url = DownloadSystemHelper.ConvertToWWWPath(filePath);
-                    _mapping.Add(fileName, url);
-                }
-                return url;
-            }
-        }
-
         public class FileWrapper
         {
             public string FileName { private set; get; }
@@ -220,7 +190,7 @@ namespace YooAsset
             _packageRoot = PathUtility.Combine(rootDirectory, packageName);
 
             // 创建解压文件系统
-            var remoteServices = new UnpackRemoteServices(_packageRoot);
+            var remoteServices = new DefaultUnpackRemoteServices(_packageRoot);
             _unpackFileSystem = new DefaultUnpackFileSystem();
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.REMOTE_SERVICES, remoteServices);
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.FILE_VERIFY_LEVEL, FileVerifyLevel);
@@ -231,6 +201,7 @@ namespace YooAsset
         }
         public virtual void OnUpdate()
         {
+            _unpackFileSystem.OnUpdate();
         }
 
         public virtual bool Belong(PackageBundle bundle)

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

@@ -12,13 +12,14 @@ namespace YooAsset
     /// </summary>
     internal class DefaultCacheFileSystem : IFileSystem, ICacheSystem
     {
-        protected readonly Dictionary<string, DefaultDownloadFileOperation> _downloaders = new Dictionary<string, DefaultDownloadFileOperation>(1000);
         protected readonly Dictionary<string, CacheWrapper> _wrappers = new Dictionary<string, CacheWrapper>(10000);
         protected readonly Dictionary<string, Stream> _loadedStream = new Dictionary<string, Stream>(10000);
         protected readonly Dictionary<string, string> _dataFilePaths = new Dictionary<string, string>(10000);
         protected readonly Dictionary<string, string> _infoFilePaths = new Dictionary<string, string>(10000);
         protected readonly Dictionary<string, string> _tempFilePaths = new Dictionary<string, string>(10000);
+        protected readonly Dictionary<string, DefaultDownloadFileOperation> _downloaders = new Dictionary<string, DefaultDownloadFileOperation>(1000);
         protected readonly List<string> _removeList = new List<string>(1000);
+
         protected string _packageRoot;
         protected string _cacheFileRoot;
         protected string _tempFileRoot;
@@ -147,7 +148,7 @@ namespace YooAsset
 
                 if (bundle.FileSize >= ResumeDownloadMinimumSize)
                 {
-                    var newDownloader = new DCFSDownloadResumeFileOperation(this, bundle, param);
+                    var newDownloader = new DownloadResumeFileOperation(this, this, bundle, param, ResumeDownloadResponseCodes);
                     newDownloader.Reference();
                     _downloaders.Add(bundle.BundleGUID, newDownloader);
                     OperationSystem.StartOperation(PackageName, newDownloader);
@@ -155,7 +156,7 @@ namespace YooAsset
                 }
                 else
                 {
-                    var newDownloader = new DCFSDownloadNormalFileOperation(this, bundle, param);
+                    var newDownloader = new DownloadNormalFileOperation(this, this, bundle, param);
                     newDownloader.Reference();
                     _downloaders.Add(bundle.BundleGUID, newDownloader);
                     OperationSystem.StartOperation(PackageName, newDownloader);
@@ -361,6 +362,37 @@ namespace YooAsset
         {
             return _cacheFileRoot;
         }
+        public string GetTempFilePath(PackageBundle bundle)
+        {
+            if (_tempFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
+            {
+                filePath = PathUtility.Combine(_tempFileRoot, bundle.BundleGUID);
+                _tempFilePaths.Add(bundle.BundleGUID, filePath);
+            }
+            return filePath;
+        }
+        public string GetDataFilePath(PackageBundle bundle)
+        {
+            if (_dataFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
+            {
+                string folderName = bundle.FileHash.Substring(0, 2);
+                filePath = PathUtility.Combine(_cacheFileRoot, folderName, bundle.BundleGUID, DefaultCacheFileSystemDefine.SaveBundleDataFileName);
+                if (AppendFileExtension)
+                    filePath += bundle.FileExtension;
+                _dataFilePaths.Add(bundle.BundleGUID, filePath);
+            }
+            return filePath;
+        }
+        public string GetInfoFilePath(PackageBundle bundle)
+        {
+            if (_infoFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
+            {
+                string folderName = bundle.FileHash.Substring(0, 2);
+                filePath = PathUtility.Combine(_cacheFileRoot, folderName, bundle.BundleGUID, DefaultCacheFileSystemDefine.SaveBundleInfoFileName);
+                _infoFilePaths.Add(bundle.BundleGUID, filePath);
+            }
+            return filePath;
+        }
         public List<string> GetAllCachedBundleGUIDs()
         {
             return _wrappers.Keys.ToList();
@@ -472,37 +504,6 @@ namespace YooAsset
         #endregion
 
         #region 内部方法
-        protected string GetDataFilePath(PackageBundle bundle)
-        {
-            if (_dataFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
-            {
-                string folderName = bundle.FileHash.Substring(0, 2);
-                filePath = PathUtility.Combine(_cacheFileRoot, folderName, bundle.BundleGUID, DefaultCacheFileSystemDefine.SaveBundleDataFileName);
-                if (AppendFileExtension)
-                    filePath += bundle.FileExtension;
-                _dataFilePaths.Add(bundle.BundleGUID, filePath);
-            }
-            return filePath;
-        }
-        protected string GetInfoFilePath(PackageBundle bundle)
-        {
-            if (_infoFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
-            {
-                string folderName = bundle.FileHash.Substring(0, 2);
-                filePath = PathUtility.Combine(_cacheFileRoot, folderName, bundle.BundleGUID, DefaultCacheFileSystemDefine.SaveBundleInfoFileName);
-                _infoFilePaths.Add(bundle.BundleGUID, filePath);
-            }
-            return filePath;
-        }
-        public string GetTempFilePath(PackageBundle bundle)
-        {
-            if (_tempFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
-            {
-                filePath = PathUtility.Combine(_tempFileRoot, bundle.BundleGUID);
-                _tempFilePaths.Add(bundle.BundleGUID, filePath);
-            }
-            return filePath;
-        }
         public string GetCacheFileLoadPath(PackageBundle bundle)
         {
             return GetDataFilePath(bundle);

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

@@ -12,7 +12,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultCacheFileSystem _fileSytem;
+        private readonly DefaultCacheFileSystem _fileSystem;
         private SearchCacheFilesOperation _searchCacheFilesOp;
         private VerifyCacheFilesOperation _verifyCacheFilesOp;
         private ESteps _steps = ESteps.None;
@@ -20,7 +20,7 @@ namespace YooAsset
 
         internal DCFSInitializeOperation(DefaultCacheFileSystem fileSystem)
         {
-            _fileSytem = fileSystem;
+            _fileSystem = fileSystem;
         }
         internal override void InternalOnStart()
         {
@@ -39,14 +39,14 @@ namespace YooAsset
 
             if (_steps == ESteps.CheckAppFootPrint)
             {
-                var appFootPrint = new ApplicationFootPrint(_fileSytem);
+                var appFootPrint = new ApplicationFootPrint(_fileSystem);
-                appFootPrint.Load(_fileSytem.PackageName);
+                appFootPrint.Load(_fileSystem.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())
                 {
-                    _fileSytem.DeleteAllManifestFiles();
+                    _fileSystem.DeleteAllManifestFiles();
-                    appFootPrint.Coverage(_fileSytem.PackageName);
+                    appFootPrint.Coverage(_fileSystem.PackageName);
                     YooLogger.Warning("Delete manifest files when application foot print dirty !");
                 }
 
@@ -57,8 +57,8 @@ namespace YooAsset
             {
                 if (_searchCacheFilesOp == null)
                 {
-                    _searchCacheFilesOp = new SearchCacheFilesOperation(_fileSytem, _fileSytem.PackageName, _fileSytem.AppendFileExtension);
+                    _searchCacheFilesOp = new SearchCacheFilesOperation(_fileSystem, _fileSystem.PackageName, _fileSystem.AppendFileExtension);
-                    OperationSystem.StartOperation(_fileSytem.PackageName, _searchCacheFilesOp);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _searchCacheFilesOp);
                 }
 
                 Progress = _searchCacheFilesOp.Progress;
@@ -72,8 +72,8 @@ namespace YooAsset
             {
                 if (_verifyCacheFilesOp == null)
                 {
-                    _verifyCacheFilesOp = new VerifyCacheFilesOperation(_fileSytem, _fileSytem.FileVerifyLevel, _searchCacheFilesOp.Result);
+                    _verifyCacheFilesOp = new VerifyCacheFilesOperation(_fileSystem, _fileSystem.FileVerifyLevel, _searchCacheFilesOp.Result);
-                    OperationSystem.StartOperation(_fileSytem.PackageName, _verifyCacheFilesOp);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _verifyCacheFilesOp);
                 }
 
                 Progress = _verifyCacheFilesOp.Progress;
@@ -84,7 +84,7 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Succeed;
-                    YooLogger.Log($"Package '{_fileSytem.PackageName}' cached files count : {_fileSytem.FileCount}");
+                    YooLogger.Log($"Package '{_fileSystem.PackageName}' cached files count : {_fileSystem.FileCount}");
                 }
                 else
                 {

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

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

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

@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+
+namespace YooAsset
+{
+    internal class DefaultUnpackRemoteServices : IRemoteServices
+    {
+        private readonly string _buildinPackageRoot;
+        protected readonly Dictionary<string, string> _mapping = new Dictionary<string, string>(10000);
+
+        public DefaultUnpackRemoteServices(string buildinPackRoot)
+        {
+            _buildinPackageRoot = buildinPackRoot;
+        }
+        string IRemoteServices.GetRemoteMainURL(string fileName)
+        {
+            return GetFileLoadURL(fileName);
+        }
+        string IRemoteServices.GetRemoteFallbackURL(string fileName)
+        {
+            return GetFileLoadURL(fileName);
+        }
+
+        private string GetFileLoadURL(string fileName)
+        {
+            if (_mapping.TryGetValue(fileName, out string url) == false)
+            {
+                string filePath = PathUtility.Combine(_buildinPackageRoot, fileName);
+                url = DownloadSystemHelper.ConvertToWWWPath(filePath);
+                _mapping.Add(fileName, url);
+            }
+            return url;
+        }
+    }
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 32c355598c9dff847af87f4a867a2d5c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: