126 lines
3.9 KiB
C#
126 lines
3.9 KiB
C#
#if UNITY_WEBGL && DOUYINMINIGAME
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using UnityEngine;
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using TTSDK;
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namespace YooAsset
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{
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internal class DownloadTiktokAssetBundleOperation : DownloadAssetBundleOperation
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{
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private ESteps _steps = ESteps.None;
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internal DownloadTiktokAssetBundleOperation(PackageBundle bundle, DownloadFileOptions options) : base(bundle, options)
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{
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}
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internal override void InternalStart()
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{
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_steps = ESteps.CreateRequest;
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}
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internal override void InternalUpdate()
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{
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if (_steps == ESteps.None || _steps == ESteps.Done)
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return;
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// 创建下载器
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if (_steps == ESteps.CreateRequest)
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{
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// 获取请求地址
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_requestURL = GetRequestURL();
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// 重置变量
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ResetRequestFiled();
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// 创建下载器
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CreateWebRequest();
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_steps = ESteps.CheckRequest;
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}
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// 检测下载结果
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if (_steps == ESteps.CheckRequest)
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{
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DownloadProgress = _webRequest.downloadProgress;
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DownloadedBytes = (long)_webRequest.downloadedBytes;
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Progress = DownloadProgress;
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if (_webRequest.isDone == false)
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{
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//TODO 需要验证抖音插件请求器的下载进度
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//CheckRequestTimeout();
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return;
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}
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// 检查网络错误
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if (CheckRequestResult())
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{
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var downloadHanlder = (DownloadHandlerTTAssetBundle)_webRequest.downloadHandler;
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AssetBundle assetBundle = downloadHanlder.assetBundle;
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if (assetBundle == null)
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = "Download handler asset bundle object is null !";
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}
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else
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{
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_steps = ESteps.Done;
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Result = assetBundle;
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Status = EOperationStatus.Succeed;
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//TODO 需要验证抖音插件请求器的下载进度
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DownloadProgress = 1f;
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DownloadedBytes = Bundle.FileSize;
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Progress = 1f;
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}
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}
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else
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{
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_steps = ESteps.TryAgain;
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}
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// 注意：最终释放请求器
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DisposeWebRequest();
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}
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// 重新尝试下载
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if (_steps == ESteps.TryAgain)
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{
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if (FailedTryAgain <= 0)
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{
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Status = EOperationStatus.Failed;
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_steps = ESteps.Done;
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YooLogger.Error(Error);
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return;
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}
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_tryAgainTimer += Time.unscaledDeltaTime;
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if (_tryAgainTimer > 1f)
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{
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FailedTryAgain--;
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_steps = ESteps.CreateRequest;
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YooLogger.Warning(Error);
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}
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}
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}
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internal override void InternalAbort()
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{
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_steps = ESteps.Done;
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DisposeWebRequest();
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}
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private void CreateWebRequest()
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{
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_webRequest = TTAssetBundle.GetAssetBundle(_requestURL);
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_webRequest.disposeDownloadHandlerOnDispose = true;
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_webRequest.SendWebRequest();
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}
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private void DisposeWebRequest()
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{
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if (_webRequest != null)
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{
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//注意：引擎底层会自动调用Abort方法
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_webRequest.Dispose();
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_webRequest = null;
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}
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}
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}
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}
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#endif |