fix #585

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

@@ -93,6 +93,11 @@ namespace YooAsset
         /// 自定义参数：资源清单服务类
         /// </summary>
         public IManifestServices ManifestServices { private set; get; }
+
+        /// <summary>
+        /// 自定义参数：拷贝内置文件服务类
+        /// </summary>
+        public ICopyBuildinBundleServices CopyBuildinBundleServices { private set; get; }
         #endregion
 
 
@@ -183,6 +188,10 @@ namespace YooAsset
             {
                 ManifestServices = (IManifestServices)value;
             }
+            else if (name == FileSystemParametersDefine.COPY_BUILDIN_BUNDLE_SERVICES)
+            {
+                CopyBuildinBundleServices = (ICopyBuildinBundleServices)value;
+            }
             else
             {
                 YooLogger.Warning($"Invalid parameter : {name}");
@@ -205,6 +214,7 @@ namespace YooAsset
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.INSTALL_CLEAR_MODE, InstallClearMode);
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.APPEND_FILE_EXTENSION, AppendFileExtension);
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.DECRYPTION_SERVICES, DecryptionServices);
+            _unpackFileSystem.SetParameter(FileSystemParametersDefine.COPY_BUILDIN_BUNDLE_SERVICES, CopyBuildinBundleServices);
             _unpackFileSystem.OnCreate(packageName, null);
         }
         public virtual void OnDestroy()

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

@@ -104,6 +104,11 @@ namespace YooAsset
         /// 自定义参数：资源清单服务类
         /// </summary>
         public IManifestServices ManifestServices { private set; get; }
+
+        /// <summary>
+        /// 自定义参数：拷贝内置文件服务类
+        /// </summary>
+        public ICopyBuildinBundleServices CopyBuildinBundleServices { private set; get; }
         #endregion
 
 
@@ -230,6 +235,10 @@ namespace YooAsset
             {
                 ManifestServices = (IManifestServices)value;
             }
+            else if (name == FileSystemParametersDefine.COPY_BUILDIN_BUNDLE_SERVICES)
+            {
+                CopyBuildinBundleServices = (ICopyBuildinBundleServices)value;
+            }
             else
             {
                 YooLogger.Warning($"Invalid parameter : {name}");

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

@@ -37,7 +37,10 @@ namespace YooAsset
                 }
                 else
                 {
-                    _steps = ESteps.CreateRequest;
+                    if (_isReuqestLocalFile && _fileSystem.CopyBuildinBundleServices != null)
+                        _steps = ESteps.CopyBuildinBundle;
+                    else
+                        _steps = ESteps.CreateRequest;
                 }
             }
 
@@ -84,6 +87,42 @@ namespace YooAsset
                 DisposeWebRequest();
             }
 
+            // 拷贝内置文件
+            if (_steps == ESteps.CopyBuildinBundle)
+            {
+                FileUtility.CreateFileDirectory(_tempFilePath);
+
+                // 删除临时文件
+                if (File.Exists(_tempFilePath))
+                    File.Delete(_tempFilePath);
+
+                // 获取请求地址
+                _requestURL = GetRequestURL();
+
+                try
+                {
+                    //TODO 团结引擎，在某些机型（红米），拷贝包内文件会小概率失败！需要借助其它方式来拷贝包内文件。
+                    _fileSystem.CopyBuildinBundleServices.CopyBuildinFile(_requestURL, _tempFilePath);
+                    if (File.Exists(_tempFilePath))
+                    {
+                        DownloadProgress = 1f;
+                        DownloadedBytes = Bundle.FileSize;
+                        Progress = DownloadProgress;
+                        _steps = ESteps.VerifyTempFile;
+                    }
+                    else
+                    {
+                        Error = $"Failed copy buildin bundle : {_requestURL}";
+                        _steps = ESteps.TryAgain;
+                    }
+                }
+                catch (System.Exception ex)
+                {
+                    Error = $"Failed copy buildin bundle : {ex.Message}";
+                    _steps = ESteps.TryAgain;
+                }
+            }
+
             // 验证下载文件
             if (_steps == ESteps.VerifyTempFile)
             {

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

@@ -40,7 +40,10 @@ namespace YooAsset
                 }
                 else
                 {
-                    _steps = ESteps.CreateRequest;
+                    if (_isReuqestLocalFile && _fileSystem.CopyBuildinBundleServices != null)
+                        _steps = ESteps.CopyBuildinBundle;
+                    else
+                        _steps = ESteps.CreateRequest;
                 }
             }
 
@@ -104,6 +107,42 @@ namespace YooAsset
                 DisposeWebRequest();
             }
 
+            // 拷贝内置文件
+            if (_steps == ESteps.CopyBuildinBundle)
+            {
+                FileUtility.CreateFileDirectory(_tempFilePath);
+
+                // 删除临时文件（不支持断点续传）
+                if (File.Exists(_tempFilePath))
+                    File.Delete(_tempFilePath);
+
+                // 获取请求地址
+                _requestURL = GetRequestURL();
+
+                try
+                {
+                    //TODO 团结引擎，在某些机型（红米），拷贝包内文件会小概率失败！需要借助其它方式来拷贝包内文件。
+                    _fileSystem.CopyBuildinBundleServices.CopyBuildinFile(_requestURL, _tempFilePath);
+                    if (File.Exists(_tempFilePath))
+                    {
+                        DownloadProgress = 1f;
+                        DownloadedBytes = Bundle.FileSize;
+                        Progress = DownloadProgress;
+                        _steps = ESteps.VerifyTempFile;
+                    }
+                    else
+                    {
+                        Error = $"Failed copy buildin bundle : {_requestURL}";
+                        _steps = ESteps.TryAgain;
+                    }
+                }
+                catch (System.Exception ex)
+                {
+                    Error = $"Failed copy buildin bundle : {ex.Message}";
+                    _steps = ESteps.TryAgain;
+                }
+            }
+
             // 验证下载文件
             if (_steps == ESteps.VerifyTempFile)
             {

Assets/YooAsset/Runtime/FileSystem/FileSystemParametersDefine.cs

@@ -19,5 +19,6 @@ namespace YooAsset
         public const string ASYNC_SIMULATE_MAX_FRAME = "ASYNC_SIMULATE_MAX_FRAME";
         public const string COPY_BUILDIN_PACKAGE_MANIFEST = "COPY_BUILDIN_PACKAGE_MANIFEST";
         public const string COPY_BUILDIN_PACKAGE_MANIFEST_DEST_ROOT = "COPY_BUILDIN_PACKAGE_MANIFEST_DEST_ROOT";
+        public const string COPY_BUILDIN_BUNDLE_SERVICES = "COPY_BUILDIN_BUNDLE_SERVICES";
     }
 }

Assets/YooAsset/Runtime/FileSystem/Interface/CopyBuildinFileServices.cs

@@ -0,0 +1,11 @@
+
+namespace YooAsset
+{
+    /// <summary>
+    /// 拷贝内置文件服务类
+    /// </summary>
+    public interface ICopyBuildinBundleServices
+    {
+        void CopyBuildinFile(string buildinFileURL, string destFilePath);
+    }
+}

Assets/YooAsset/Runtime/FileSystem/Interface/CopyBuildinFileServices.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e2eb3bd510fd41c48a01dcc26dd9b985
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/DefaultDownloadFileOperation.cs

@@ -11,6 +11,7 @@ namespace YooAsset
             CheckExists,
             CreateRequest,
             CheckRequest,
+            CopyBuildinBundle,
             VerifyTempFile,
             CheckVerifyTempFile,
             TryAgain,