foldcc/YooAsset
1
0
Fork 0
mirror of https://github.com/tuyoogame/YooAsset.git synced 2026-05-25 18:20:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

update file system

Browse Source 
下载器相关逻辑代码重构
This commit is contained in:
何冠峰
2025-07-10 10:58:14 +08:00
parent 236468b4a8
commit b90ab01fe9
26 changed files with 644 additions and 943 deletions
Download Patch File Download Diff File Expand all files Collapse all files

154
Assets/YooAsset/Runtime/FileSystem/Operation/Internal/DownloadWebEncryptAssetBundleOperation.cs
View File

@@ -1,17 +1,33 @@
using UnityEngine;
using UnityEngine.Networking;
namespace YooAsset
{
internal class DownloadWebEncryptAssetBundleOperation : DownloadAssetBundleOperation
internal class DownloadEncryptAssetBundleOperation : DownloadAssetBundleOperation
{
protected enum ESteps
{
None,
CreateRequest,
CheckRequest,
TryAgain,
Done,
}
private UnityWebDataRequestOperation _unityWebDataRequestOp;
private readonly PackageBundle _bundle;
private readonly DownloadFileOptions _options;
private readonly bool _checkTimeout;
private readonly IWebDecryptionServices _decryptionServices;
private DownloadHandlerBuffer _downloadhandler;
protected int _requestCount = 0;
protected float _tryAgainTimer;
protected int _failedTryAgain;
private ESteps _steps = ESteps.None;
internal DownloadWebEncryptAssetBundleOperation(bool checkTimeout, IWebDecryptionServices decryptionServices, PackageBundle bundle, DownloadFileOptions options) : base(bundle, options)
internal DownloadEncryptAssetBundleOperation(PackageBundle bundle, DownloadFileOptions options, bool checkTimeout, IWebDecryptionServices decryptionServices)
{
_bundle = bundle;
_options = options;
_checkTimeout = checkTimeout;
_decryptionServices = decryptionServices;
}
@@ -27,118 +43,87 @@ namespace YooAsset
// 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();
if (_decryptionServices == null)
{
_steps = ESteps.Done;
Status = EOperationStatus.Failed;
Error = $"The {nameof(IWebDecryptionServices)} is null !";
YooLogger.Error(Error);
return;
}
string url = GetRequestURL();
_unityWebDataRequestOp = new UnityWebDataRequestOperation(url, _options.Timeout);
_unityWebDataRequestOp.StartOperation();
if (_checkTimeout == false)
_unityWebDataRequestOp.DontCheckTimeout();
_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)
{
if (_checkTimeout)
CheckRequestTimeout();
_unityWebDataRequestOp.UpdateOperation();
Progress = _unityWebDataRequestOp.Progress;
DownloadProgress = _unityWebDataRequestOp.DownloadProgress;
DownloadedBytes = _unityWebDataRequestOp.DownloadedBytes;
if (_unityWebDataRequestOp.IsDone == false)
return;
}
// 检查网络错误
if (CheckRequestResult())
if (_unityWebDataRequestOp.Status == EOperationStatus.Succeed)
{
if (_decryptionServices == null)
{
_steps = ESteps.Done;
Status = EOperationStatus.Failed;
Error = $"The {nameof(IWebDecryptionServices)} is null !";
YooLogger.Error(Error);
return;
}
var fileData = _downloadhandler.data;
if (fileData == null || fileData.Length == 0)
{
_steps = ESteps.Done;
Status = EOperationStatus.Failed;
Error = $"The download handler data is null or empty !";
YooLogger.Error(Error);
return;
}
AssetBundle assetBundle = LoadEncryptedAssetBundle(fileData);
AssetBundle assetBundle = LoadEncryptedAssetBundle(_unityWebDataRequestOp.Result);
if (assetBundle == null)
{
_steps = ESteps.Done;
Status = EOperationStatus.Failed;
Error = "Download handler asset bundle object is null !";
Error = "Failed load encrypted AssetBundle !";
}
else
{
_steps = ESteps.Done;
Result = assetBundle;
Status = EOperationStatus.Succeed;
Result = assetBundle;
}
}
else
{
_steps = ESteps.TryAgain;
if (_failedTryAgain > 0)
{
_steps = ESteps.TryAgain;
YooLogger.Warning($"Failed download : {_unityWebDataRequestOp.URL} Try again !");
}
else
{
_steps = ESteps.Done;
Status = EOperationStatus.Failed;
Error = _unityWebDataRequestOp.Error;
YooLogger.Error(Error);
}
}
// 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--;
_tryAgainTimer = 0f;
_failedTryAgain--;
Progress = 0f;
DownloadProgress = 0f;
DownloadedBytes = 0;
_steps = ESteps.CreateRequest;
YooLogger.Warning(Error);
}
}
}
internal override void InternalAbort()
{
_steps = ESteps.Done;
DisposeWebRequest();
}
private void CreateWebRequest()
{
_downloadhandler = new DownloadHandlerBuffer();
_webRequest = DownloadSystemHelper.NewUnityWebRequestGet(_requestURL);
_webRequest.downloadHandler = _downloadhandler;
_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;
}
if (_unityWebDataRequestOp != null)
_unityWebDataRequestOp.AbortOperation();
}
/// <summary>
@@ -147,11 +132,24 @@ namespace YooAsset
private AssetBundle LoadEncryptedAssetBundle(byte[] fileData)
{
var fileInfo = new WebDecryptFileInfo();
fileInfo.BundleName = Bundle.BundleName;
fileInfo.FileLoadCRC = Bundle.UnityCRC;
fileInfo.BundleName = _bundle.BundleName;
fileInfo.FileLoadCRC = _bundle.UnityCRC;
fileInfo.FileData = fileData;
var decryptResult = _decryptionServices.LoadAssetBundle(fileInfo);
return decryptResult.Result;
}
/// <summary>
/// 获取网络请求地址
/// </summary>
protected string GetRequestURL()
{
// 轮流返回请求地址
_requestCount++;
if (_requestCount % 2 == 0)
return _options.FallbackURL;
else
return _options.MainURL;
}
}
}