update extension sample

抖音小游戏文件重命名
2025-02-07 16:21:25 +08:00
parent a02b3fbf6e
commit 6e8cb0366d
25 changed files with 169 additions and 171 deletions
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 8cba5e0b26df8ee40a93d697f889e33d
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,101 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using UnityEngine;
+using UnityEngine.Networking;
+using YooAsset;
+
+internal class TTFSDownloadFileOperation : DefaultDownloadFileOperation
+{
+    private TiktokFileSystem _fileSystem;
+    private ESteps _steps = ESteps.None;
+    
+    internal TTFSDownloadFileOperation(TiktokFileSystem fileSystem, PackageBundle bundle, DownloadParam param) : base(bundle, param)
+    {
+        _fileSystem = fileSystem;
+    }
+    internal override void InternalOnStart()
+    {
+        _steps = ESteps.CreateRequest;
+    }
+    internal override void InternalOnUpdate()
+    {
+        // 创建下载器
+        if (_steps == ESteps.CreateRequest)
+        {
+            // 获取请求地址
+            _requestURL = GetRequestURL();
+
+            // 重置变量
+            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.Done;
+                Status = EOperationStatus.Succeed;
+            }
+            else
+            {
+                _steps = ESteps.TryAgain;
+            }
+
+            // 注意：最终释放请求器
+            DisposeWebRequest();
+        }
+
+        // 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);
+            }
+        }
+    }
+
+    private void CreateWebRequest()
+    {
+        //TODO : 抖音小游戏没有找到预下载方法
+        _webRequest = UnityWebRequestAssetBundle.GetAssetBundle(_requestURL);
+        _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;
+        }
+    }
+}
+#endif
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 0bdf53359f9e17b41b08982a2be2098c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,55 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using YooAsset;
+
+internal partial class TTFSInitializeOperation : FSInitializeFileSystemOperation
+{
+    private enum ESteps
+    {
+        None,
+        RecordCacheFiles,
+        Done,
+    }
+
+    private readonly TiktokFileSystem _fileSystem;
+    private RecordTiktokCacheFilesOperation _recordTiktokCacheFilesOp;
+    private ESteps _steps = ESteps.None;
+
+    public TTFSInitializeOperation(TiktokFileSystem fileSystem)
+    {
+        _fileSystem = fileSystem;
+    }
+    internal override void InternalOnStart()
+    {
+        _steps = ESteps.RecordCacheFiles;
+    }
+    internal override void InternalOnUpdate()
+    {
+        if (_steps == ESteps.None || _steps == ESteps.Done)
+            return;
+
+        if (_steps == ESteps.RecordCacheFiles)
+        {
+            if (_recordTiktokCacheFilesOp == null)
+            {
+                _recordTiktokCacheFilesOp = new RecordTiktokCacheFilesOperation(_fileSystem);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _recordTiktokCacheFilesOp);
+            }
+
+            if (_recordTiktokCacheFilesOp.IsDone == false)
+                return;
+
+            if (_recordTiktokCacheFilesOp.Status == EOperationStatus.Succeed)
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Succeed;
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = _recordTiktokCacheFilesOp.Error;
+            }
+        }
+    }
+}
+#endif
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 614227bf558da7149a7eb6de7dfa1a21
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,112 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using UnityEngine;
+using UnityEngine.Networking;
+using YooAsset;
+using TTSDK;
+
+internal class TTFSLoadBundleOperation : FSLoadBundleOperation
+{
+    private enum ESteps
+    {
+        None,
+        LoadBundleFile,
+        Done,
+    }
+
+    private readonly TiktokFileSystem _fileSystem;
+    private readonly PackageBundle _bundle;
+    private UnityWebRequest _webRequest;
+    private ESteps _steps = ESteps.None;
+
+    internal TTFSLoadBundleOperation(TiktokFileSystem fileSystem, PackageBundle bundle)
+    {
+        _fileSystem = fileSystem;
+        _bundle = bundle;
+    }
+    internal override void InternalOnStart()
+    {
+        _steps = ESteps.LoadBundleFile;
+    }
+    internal override void InternalOnUpdate()
+    {
+        if (_steps == ESteps.None || _steps == ESteps.Done)
+            return;
+
+        if (_steps == ESteps.LoadBundleFile)
+        {
+            if (_webRequest == null)
+            {
+                string mainURL = _fileSystem.RemoteServices.GetRemoteMainURL(_bundle.FileName);
+                _webRequest = TTAssetBundle.GetAssetBundle(mainURL);
+                _webRequest.SendWebRequest();
+            }
+
+            DownloadProgress = _webRequest.downloadProgress;
+            DownloadedBytes = (long)_webRequest.downloadedBytes;
+            Progress = DownloadProgress;
+            if (_webRequest.isDone == false)
+                return;
+
+            if (CheckRequestResult())
+            {
+                var assetBundle = (_webRequest.downloadHandler as DownloadHandlerTTAssetBundle).assetBundle;
+                if (assetBundle == null)
+                {
+                    _steps = ESteps.Done;
+                    Error = $"{nameof(DownloadHandlerTTAssetBundle)} loaded asset bundle is null !";
+                    Status = EOperationStatus.Failed;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Result = new AssetBundleResult(_fileSystem, _bundle, assetBundle, null);
+                    Status = EOperationStatus.Succeed;
+                }
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+            }
+        }
+    }
+    internal override void InternalWaitForAsyncComplete()
+    {
+        if (_steps != ESteps.Done)
+        {
+            _steps = ESteps.Done;
+            Status = EOperationStatus.Failed;
+            Error = "WebGL platform not support sync load method !";
+            UnityEngine.Debug.LogError(Error);
+        }
+    }
+    public override void AbortDownloadOperation()
+    {
+    }
+
+    private bool CheckRequestResult()
+    {
+#if UNITY_2020_3_OR_NEWER
+        if (_webRequest.result != UnityWebRequest.Result.Success)
+        {
+            Error = _webRequest.error;
+            return false;
+        }
+        else
+        {
+            return true;
+        }
+#else
+        if (_webRequest.isNetworkError || _webRequest.isHttpError)
+        {
+            Error = _webRequest.error;
+            return false;
+        }
+        else
+        {
+            return true;
+        }
+#endif
+    }
+}
+#endif
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 19997de7b89b54445961e8b973f43ab3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,88 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using YooAsset;
+
+internal class TTFSLoadPackageManifestOperation : FSLoadPackageManifestOperation
+{
+    private enum ESteps
+    {
+        None,
+        RequestPackageHash,
+        LoadPackageManifest,
+        Done,
+    }
+
+    private readonly TiktokFileSystem _fileSystem;
+    private readonly string _packageVersion;
+    private readonly int _timeout;
+    private RequestTiktokPackageHashOperation _requestPackageHashOp;
+    private LoadTiktokPackageManifestOperation _loadPackageManifestOp;
+    private ESteps _steps = ESteps.None;
+
+    
+    public TTFSLoadPackageManifestOperation(TiktokFileSystem fileSystem, string packageVersion, int timeout)
+    {
+        _fileSystem = fileSystem;
+        _packageVersion = packageVersion;
+        _timeout = timeout;
+    }
+    internal override void InternalOnStart()
+    {
+        _steps = ESteps.RequestPackageHash;
+    }
+    internal override void InternalOnUpdate()
+    {
+        if (_steps == ESteps.None || _steps == ESteps.Done)
+            return;
+
+        if (_steps == ESteps.RequestPackageHash)
+        {
+            if (_requestPackageHashOp == null)
+            {
+                _requestPackageHashOp = new RequestTiktokPackageHashOperation(_fileSystem, _packageVersion, _timeout);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _requestPackageHashOp);
+            }
+
+            if (_requestPackageHashOp.IsDone == false)
+                return;
+
+            if (_requestPackageHashOp.Status == EOperationStatus.Succeed)
+            {
+                _steps = ESteps.LoadPackageManifest;
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = _requestPackageHashOp.Error;
+            }
+        }
+
+        if (_steps == ESteps.LoadPackageManifest)
+        {
+            if (_loadPackageManifestOp == null)
+            {
+                string packageHash = _requestPackageHashOp.PackageHash;
+                _loadPackageManifestOp = new LoadTiktokPackageManifestOperation(_fileSystem, _packageVersion, packageHash, _timeout);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _loadPackageManifestOp);
+            }
+
+            Progress = _loadPackageManifestOp.Progress;
+            if (_loadPackageManifestOp.IsDone == false)
+                return;
+
+            if (_loadPackageManifestOp.Status == EOperationStatus.Succeed)
+            {
+                _steps = ESteps.Done;
+                Manifest = _loadPackageManifestOp.Manifest;
+                Status = EOperationStatus.Succeed;
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = _loadPackageManifestOp.Error;
+            }
+        }
+    }
+}
+#endif
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2850c0b0e742f824f9d1f12b7d68b806
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,60 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using YooAsset;
+
+internal class TTFSRequestPackageVersionOperation : FSRequestPackageVersionOperation
+{
+    private enum ESteps
+    {
+        None,
+        RequestPackageVersion,
+        Done,
+    }
+
+    private readonly TiktokFileSystem _fileSystem;
+    private readonly int _timeout;
+    private RequestTiktokPackageVersionOperation _requestPackageVersionOp;
+    private ESteps _steps = ESteps.None;
+
+
+    internal TTFSRequestPackageVersionOperation(TiktokFileSystem fileSystem, int timeout)
+    {
+        _fileSystem = fileSystem;
+        _timeout = timeout;
+    }
+    internal override void InternalOnStart()
+    {
+        _steps = ESteps.RequestPackageVersion;
+    }
+    internal override void InternalOnUpdate()
+    {
+        if (_steps == ESteps.None || _steps == ESteps.Done)
+            return;
+
+        if (_steps == ESteps.RequestPackageVersion)
+        {
+            if (_requestPackageVersionOp == null)
+            {
+                _requestPackageVersionOp = new RequestTiktokPackageVersionOperation(_fileSystem, _timeout);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _requestPackageVersionOp);
+            }
+
+            Progress = _requestPackageVersionOp.Progress;
+            if (_requestPackageVersionOp.IsDone == false)
+                return;
+
+            if (_requestPackageVersionOp.Status == EOperationStatus.Succeed)
+            {
+                _steps = ESteps.Done;
+                PackageVersion = _requestPackageVersionOp.PackageVersion;
+                Status = EOperationStatus.Succeed;
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = _requestPackageVersionOp.Error;
+            }
+        }
+    }
+}
+#endif
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8210185faba92a3479bf6713abab1f19
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 101c97835f86e9147993961f514caf2c
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,125 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using YooAsset;
+
+internal class LoadTiktokPackageManifestOperation : AsyncOperationBase
+{
+    private enum ESteps
+    {
+        None,
+        RequestFileData,
+        VerifyFileData,
+        LoadManifest,
+        Done,
+    }
+
+    private readonly TiktokFileSystem _fileSystem;
+    private readonly string _packageVersion;
+    private readonly string _packageHash;
+    private readonly int _timeout;
+    private UnityWebDataRequestOperation _webDataRequestOp;
+    private DeserializeManifestOperation _deserializer;
+    private int _requestCount = 0;
+    private ESteps _steps = ESteps.None;
+
+    /// <summary>
+    /// 包裹清单
+    /// </summary>
+    public PackageManifest Manifest { private set; get; }
+
+
+    internal LoadTiktokPackageManifestOperation(TiktokFileSystem fileSystem, string packageVersion, string packageHash, int timeout)
+    {
+        _fileSystem = fileSystem;
+        _packageVersion = packageVersion;
+        _packageHash = packageHash;
+        _timeout = timeout;
+    }
+    internal override void InternalOnStart()
+    {
+        _requestCount = WebRequestCounter.GetRequestFailedCount(_fileSystem.PackageName, nameof(LoadTiktokPackageManifestOperation));
+        _steps = ESteps.RequestFileData;
+    }
+    internal override void InternalOnUpdate()
+    {
+        if (_steps == ESteps.None || _steps == ESteps.Done)
+            return;
+
+        if (_steps == ESteps.RequestFileData)
+        {
+            if (_webDataRequestOp == null)
+            {
+                string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_fileSystem.PackageName, _packageVersion);
+                string url = GetRequestURL(fileName);
+                _webDataRequestOp = new UnityWebDataRequestOperation(url, _timeout);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _webDataRequestOp);
+            }
+
+            Progress = _webDataRequestOp.Progress;
+            if (_webDataRequestOp.IsDone == false)
+                return;
+
+            if (_webDataRequestOp.Status == EOperationStatus.Succeed)
+            {
+                _steps = ESteps.VerifyFileData;
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = _webDataRequestOp.Error;
+                WebRequestCounter.RecordRequestFailed(_fileSystem.PackageName, nameof(LoadTiktokPackageManifestOperation));
+            }
+        }
+
+        if (_steps == ESteps.VerifyFileData)
+        {
+            string fileHash = HashUtility.BytesCRC32(_webDataRequestOp.Result);
+            if (fileHash == _packageHash)
+            {
+                _steps = ESteps.LoadManifest;
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = "Failed to verify package manifest file!";
+            }
+        }
+
+        if (_steps == ESteps.LoadManifest)
+        {
+            if (_deserializer == null)
+            {
+                _deserializer = new DeserializeManifestOperation(_webDataRequestOp.Result);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _deserializer);
+            }
+
+            Progress = _deserializer.Progress;
+            if (_deserializer.IsDone == false)
+                return;
+
+            if (_deserializer.Status == EOperationStatus.Succeed)
+            {
+                _steps = ESteps.Done;
+                Manifest = _deserializer.Manifest;
+                Status = EOperationStatus.Succeed;
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = _deserializer.Error;
+            }
+        }
+    }
+
+    private string GetRequestURL(string fileName)
+    {
+        // 轮流返回请求地址
+        if (_requestCount % 2 == 0)
+            return _fileSystem.RemoteServices.GetRemoteMainURL(fileName);
+        else
+            return _fileSystem.RemoteServices.GetRemoteFallbackURL(fileName);
+    }
+}
+#endif
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: b648d648fa0c4e44d811b42b80891543
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,57 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using YooAsset;
+using TTSDK;
+
+internal class RecordTiktokCacheFilesOperation : AsyncOperationBase
+{
+    private enum ESteps
+    {
+        None,
+        RecordCacheFiles,
+        WaitResponse,
+        Done,
+    }
+
+    private readonly TiktokFileSystem _fileSystem;
+    private ESteps _steps = ESteps.None;
+
+    public RecordTiktokCacheFilesOperation(TiktokFileSystem fileSystem)
+    {
+        _fileSystem = fileSystem;
+    }
+    internal override void InternalOnStart()
+    {
+        _steps = ESteps.RecordCacheFiles;
+    }
+    internal override void InternalOnUpdate()
+    {
+        if (_steps == ESteps.None || _steps == ESteps.Done)
+            return;
+
+        if (_steps == ESteps.RecordCacheFiles)
+        {
+            _steps = ESteps.WaitResponse;
+
+            var fileSystemMgr = _fileSystem.GetFileSystemMgr();
+            var getSavedFileListParam = new GetSavedFileListParam();
+            getSavedFileListParam.success = (TTGetSavedFileListResponse response) =>
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Succeed;
+                foreach (var fileInfo in response.fileList)
+                {
+                    //TODO 需要确认存储文件为Bundle文件
+                    _fileSystem.RecordBundleFile(fileInfo.filePath);
+                }
+            };
+            getSavedFileListParam.fail = (TTGetSavedFileListResponse response) =>
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = response.errMsg;
+            };
+            fileSystemMgr.GetSavedFileList(getSavedFileListParam);
+        }
+    }
+}
+#endif
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e4420bd73f37dec468a9b23425be68f2
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,90 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using YooAsset;
+
+internal class RequestTiktokPackageHashOperation : AsyncOperationBase
+{
+    private enum ESteps
+    {
+        None,
+        RequestPackageHash,
+        Done,
+    }
+
+    private readonly TiktokFileSystem _fileSystem;
+    private readonly string _packageVersion;
+    private readonly int _timeout;
+    private UnityWebTextRequestOperation _webTextRequestOp;
+    private int _requestCount = 0;
+    private ESteps _steps = ESteps.None;
+
+    /// <summary>
+    /// 包裹哈希值
+    /// </summary>
+    public string PackageHash { private set; get; }
+
+
+    public RequestTiktokPackageHashOperation(TiktokFileSystem fileSystem, string packageVersion, int timeout)
+    {
+        _fileSystem = fileSystem;
+        _packageVersion = packageVersion;
+        _timeout = timeout;
+    }
+    internal override void InternalOnStart()
+    {
+        _requestCount = WebRequestCounter.GetRequestFailedCount(_fileSystem.PackageName, nameof(RequestTiktokPackageHashOperation));
+        _steps = ESteps.RequestPackageHash;
+    }
+    internal override void InternalOnUpdate()
+    {
+        if (_steps == ESteps.None || _steps == ESteps.Done)
+            return;
+
+        if (_steps == ESteps.RequestPackageHash)
+        {
+            if (_webTextRequestOp == null)
+            {
+                string fileName = YooAssetSettingsData.GetPackageHashFileName(_fileSystem.PackageName, _packageVersion);
+                string url = GetRequestURL(fileName);
+                _webTextRequestOp = new UnityWebTextRequestOperation(url, _timeout);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _webTextRequestOp);
+            }
+
+            Progress = _webTextRequestOp.Progress;
+            if (_webTextRequestOp.IsDone == false)
+                return;
+
+            if (_webTextRequestOp.Status == EOperationStatus.Succeed)
+            {
+                PackageHash = _webTextRequestOp.Result;
+                if (string.IsNullOrEmpty(PackageHash))
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = $"Wechat package hash file content is empty !";
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeed;
+                }
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = _webTextRequestOp.Error;
+                WebRequestCounter.RecordRequestFailed(_fileSystem.PackageName, nameof(RequestTiktokPackageHashOperation));
+            }
+        }
+    }
+
+    private string GetRequestURL(string fileName)
+    {
+        // 轮流返回请求地址
+        if (_requestCount % 2 == 0)
+            return _fileSystem.RemoteServices.GetRemoteMainURL(fileName);
+        else
+            return _fileSystem.RemoteServices.GetRemoteFallbackURL(fileName);
+    }
+}
+#endif
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 51a0e40e248b49a4783b3dca33a23cf1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,88 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using YooAsset;
+
+internal class RequestTiktokPackageVersionOperation : AsyncOperationBase
+{
+    private enum ESteps
+    {
+        None,
+        RequestPackageVersion,
+        Done,
+    }
+
+    private readonly TiktokFileSystem _fileSystem;
+    private readonly int _timeout;
+    private UnityWebTextRequestOperation _webTextRequestOp;
+    private int _requestCount = 0;
+    private ESteps _steps = ESteps.None;
+
+    /// <summary>
+    /// 包裹版本
+    /// </summary>
+    public string PackageVersion { private set; get; }
+
+    
+    public RequestTiktokPackageVersionOperation(TiktokFileSystem fileSystem, int timeout)
+    {
+        _fileSystem = fileSystem;
+        _timeout = timeout;
+    }
+    internal override void InternalOnStart()
+    {
+        _requestCount = WebRequestCounter.GetRequestFailedCount(_fileSystem.PackageName, nameof(RequestTiktokPackageVersionOperation));
+        _steps = ESteps.RequestPackageVersion;
+    }
+    internal override void InternalOnUpdate()
+    {
+        if (_steps == ESteps.None || _steps == ESteps.Done)
+            return;
+
+        if (_steps == ESteps.RequestPackageVersion)
+        {
+            if (_webTextRequestOp == null)
+            {
+                string fileName = YooAssetSettingsData.GetPackageVersionFileName(_fileSystem.PackageName);
+                string url = GetRequestURL(fileName);
+                _webTextRequestOp = new UnityWebTextRequestOperation(url, _timeout);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _webTextRequestOp);
+            }
+
+            Progress = _webTextRequestOp.Progress;
+            if (_webTextRequestOp.IsDone == false)
+                return;
+
+            if (_webTextRequestOp.Status == EOperationStatus.Succeed)
+            {
+                PackageVersion = _webTextRequestOp.Result;
+                if (string.IsNullOrEmpty(PackageVersion))
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = $"Wechat package version file content is empty !";
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeed;
+                }
+            }
+            else
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = _webTextRequestOp.Error;
+                WebRequestCounter.RecordRequestFailed(_fileSystem.PackageName, nameof(RequestTiktokPackageVersionOperation));
+            }
+        }
+    }
+
+    private string GetRequestURL(string fileName)
+    {
+        // 轮流返回请求地址
+        if (_requestCount % 2 == 0)
+            return _fileSystem.RemoteServices.GetRemoteMainURL(fileName);
+        else
+            return _fileSystem.RemoteServices.GetRemoteFallbackURL(fileName);
+    }
+}
+#endif
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: a04c463fb00f60f499541fbb98e4fdc4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,285 @@
+#if UNITY_WEBGL && DOUYINMINIGAME
+using System.Collections.Generic;
+using UnityEngine;
+using YooAsset;
+using TTSDK;
+using System.Linq;
+using System;
+
+public static class TiktokFileSystemCreater
+{
+    public static FileSystemParameters CreateByteGameFileSystemParameters(IRemoteServices remoteServices, string packageRoot)
+    {
+        string fileSystemClass = $"{nameof(TiktokFileSystem)},YooAsset.RuntimeExtension";
+        var fileSystemParams = new FileSystemParameters(fileSystemClass, packageRoot);
+        fileSystemParams.AddParameter("REMOTE_SERVICES", remoteServices);
+        return fileSystemParams;
+    }
+}
+
+/// <summary>
+/// 抖音小游戏文件系统
+/// 参考：https://developer.open-douyin.com/docs/resource/zh-CN/mini-game/develop/guide/know
+/// </summary>
+internal class TiktokFileSystem : IFileSystem
+{
+    private class WebRemoteServices : IRemoteServices
+    {
+        private readonly string _webPackageRoot;
+        protected readonly Dictionary<string, string> _mapping = new Dictionary<string, string>(10000);
+
+        public WebRemoteServices(string buildinPackRoot)
+        {
+            _webPackageRoot = 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(_webPackageRoot, fileName);
+                url = DownloadSystemHelper.ConvertToWWWPath(filePath);
+                _mapping.Add(fileName, url);
+            }
+            return url;
+        }
+    }
+
+    private readonly HashSet<string> _recorders = new HashSet<string>();
+    private readonly Dictionary<string, string> _cacheFilePaths = new Dictionary<string, string>(10000);
+    private TTFileSystemManager _fileSystemMgr;
+    private string _ttCacheRoot = string.Empty;
+
+    /// <summary>
+    /// 包裹名称
+    /// </summary>
+    public string PackageName { private set; get; }
+
+    /// <summary>
+    /// 文件根目录
+    /// </summary>
+    public string FileRoot
+    {
+        get
+        {
+            return _ttCacheRoot;
+        }
+    }
+
+    /// <summary>
+    /// 文件数量
+    /// </summary>
+    public int FileCount
+    {
+        get
+        {
+            return _recorders.Count;
+        }
+    }
+
+    #region 自定义参数
+    /// <summary>
+    /// 自定义参数：远程服务接口
+    /// </summary>
+    public IRemoteServices RemoteServices { private set; get; } = null;
+    #endregion
+
+
+    public TiktokFileSystem()
+    {
+    }
+    public virtual FSInitializeFileSystemOperation InitializeFileSystemAsync()
+    {
+        var operation = new TTFSInitializeOperation(this);
+        OperationSystem.StartOperation(PackageName, operation);
+        return operation;
+    }
+    public virtual FSLoadPackageManifestOperation LoadPackageManifestAsync(string packageVersion, int timeout)
+    {
+        var operation = new TTFSLoadPackageManifestOperation(this, packageVersion, timeout);
+        OperationSystem.StartOperation(PackageName, operation);
+        return operation;
+    }
+    public virtual FSRequestPackageVersionOperation RequestPackageVersionAsync(bool appendTimeTicks, int timeout)
+    {
+        var operation = new TTFSRequestPackageVersionOperation(this, timeout);
+        OperationSystem.StartOperation(PackageName, operation);
+        return operation;
+    }
+    public virtual FSClearCacheFilesOperation ClearCacheFilesAsync(PackageManifest manifest, string clearMode, object clearParam)
+    {
+        var operation = new FSClearCacheFilesCompleteOperation();
+        OperationSystem.StartOperation(PackageName, operation);
+        return operation;
+    }
+    public virtual FSDownloadFileOperation DownloadFileAsync(PackageBundle bundle, DownloadParam param)
+    {
+        param.MainURL = RemoteServices.GetRemoteMainURL(bundle.FileName);
+        param.FallbackURL = RemoteServices.GetRemoteFallbackURL(bundle.FileName);
+        var operation = new TTFSDownloadFileOperation(this, bundle, param);
+        OperationSystem.StartOperation(PackageName, operation);
+        return operation;
+    }
+    public virtual FSLoadBundleOperation LoadBundleFile(PackageBundle bundle)
+    {
+        if (bundle.BundleType == (int)EBuildBundleType.AssetBundle)
+        {
+            var operation = new TTFSLoadBundleOperation(this, bundle);
+            OperationSystem.StartOperation(PackageName, operation);
+            return operation;
+        }
+        else
+        {
+            string error = $"{nameof(TiktokFileSystem)} not support load bundle type : {bundle.BundleType}";
+            var operation = new FSLoadBundleCompleteOperation(error);
+            OperationSystem.StartOperation(PackageName, operation);
+            return operation;
+        }
+    }
+
+    public virtual void SetParameter(string name, object value)
+    {
+        if (name == "REMOTE_SERVICES")
+        {
+            RemoteServices = (IRemoteServices)value;
+        }
+        else
+        {
+            YooLogger.Warning($"Invalid parameter : {name}");
+        }
+    }
+    public virtual void OnCreate(string packageName, string rootDirectory)
+    {
+        PackageName = packageName;
+        _ttCacheRoot = rootDirectory;
+
+        if (string.IsNullOrEmpty(_ttCacheRoot))
+        {
+            throw new System.Exception("请配置抖音小游戏的缓存根目录！");
+        }
+
+        // 注意：CDN服务未启用的情况下，使用抖音WEB服务器
+        if (RemoteServices == null)
+        {
+            string webRoot = PathUtility.Combine(Application.streamingAssetsPath, YooAssetSettingsData.Setting.DefaultYooFolderName, packageName);
+            RemoteServices = new WebRemoteServices(webRoot);
+        }
+
+        _fileSystemMgr = TT.GetFileSystemManager();
+    }
+    public virtual void OnUpdate()
+    {
+    }
+
+    public virtual bool Belong(PackageBundle bundle)
+    {
+        return true;
+    }
+    public virtual bool Exists(PackageBundle bundle)
+    {
+        string filePath = GetCacheFileLoadPath(bundle);
+        return _recorders.Contains(filePath);
+    }
+    public virtual bool NeedDownload(PackageBundle bundle)
+    {
+        if (Belong(bundle) == false)
+            return false;
+
+        return Exists(bundle) == false;
+    }
+    public virtual bool NeedUnpack(PackageBundle bundle)
+    {
+        return false;
+    }
+    public virtual bool NeedImport(PackageBundle bundle)
+    {
+        return false;
+    }
+
+    public virtual string GetBundleFilePath(PackageBundle bundle)
+    {
+        return GetCacheFileLoadPath(bundle);
+    }
+    public virtual byte[] ReadBundleFileData(PackageBundle bundle)
+    {
+        string filePath = GetCacheFileLoadPath(bundle);
+        if (CheckCacheFileExist(filePath))
+            return _fileSystemMgr.ReadFileSync(filePath);
+        else
+            return Array.Empty<byte>();
+    }
+    public virtual string ReadBundleFileText(PackageBundle bundle)
+    {
+        string filePath = GetCacheFileLoadPath(bundle);
+        if (CheckCacheFileExist(filePath))
+            return _fileSystemMgr.ReadFileSync(filePath, "utf8");
+        else
+            return string.Empty;
+    }
+
+    #region 内部方法
+    public TTFileSystemManager GetFileSystemMgr()
+    {
+        return _fileSystemMgr;
+    }
+    public bool CheckCacheFileExist(string filePath)
+    {
+        return _fileSystemMgr.AccessSync(filePath);
+    }
+    private string GetCacheFileLoadPath(PackageBundle bundle)
+    {
+        if (_cacheFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
+        {
+            filePath = _fileSystemMgr.GetLocalCachedPathForUrl(bundle.FileName);
+            _cacheFilePaths.Add(bundle.BundleGUID, filePath);
+        }
+        return filePath;
+    }
+    #endregion
+
+    #region 本地记录
+    public List<string> GetAllRecords()
+    {
+        return _recorders.ToList();
+    }
+    public bool RecordBundleFile(string filePath)
+    {
+        if (_recorders.Contains(filePath))
+        {
+            YooLogger.Error($"{nameof(TiktokFileSystem)} has element : {filePath}");
+            return false;
+        }
+
+        _recorders.Add(filePath);
+        return true;
+    }
+    public void TryRecordBundle(PackageBundle bundle)
+    {
+        string filePath = GetCacheFileLoadPath(bundle);
+        if (_recorders.Contains(filePath) == false)
+        {
+            _recorders.Add(filePath);
+        }
+    }
+    public void ClearAllRecords()
+    {
+        _recorders.Clear();
+    }
+    public void ClearRecord(string filePath)
+    {
+        if (_recorders.Contains(filePath))
+        {
+            _recorders.Remove(filePath);
+        }
+    }
+    #endregion
+}
+#endif
@@ -0,0 +1,11 @@
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+guid: e6b4324eddc60f045aa271bc5bb50cc9
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: