private WebFileRequest CreateDownloader(PatchBundle element)
{
// 注意：资源版本号只用于确定下载路径
string url = _patcher.GetWebDownloadURL(element.Version.ToString(), element.Hash);
string savePath = PatchHelper.MakeSandboxCacheFilePath(element.Hash);
FileUtility.CreateFileDirectory(savePath);
// 创建下载器
MotionLog.Log($"Beginning to download web file : {url}");
WebFileRequest download = new WebFileRequest(url, savePath);
download.UserData = element;
download.DownLoad();
return(download);
}
private IEnumerator Download()
{
// 注意：等所有文件下载完毕后，下载并替换补丁清单
int newResourceVersion = _patcher.RequestedResourceVersion;
string url = _patcher.GetWebDownloadURL(newResourceVersion.ToString(), PatchDefine.PatchManifestFileName);
string savePath = AssetPathHelper.MakePersistentLoadPath(PatchDefine.PatchManifestFileName);
WebFileRequest download = new WebFileRequest(url, savePath);
yield return(download.DownLoad());
if (download.States != EWebRequestStates.Success)
{
download.Dispose();
PatchEventDispatcher.SendWebPatchManifestDownloadFailedMsg();
yield break;
}
else
{
PatchHelper.Log(ELogLevel.Log, "Web patch manifest is download.");
download.Dispose();
_patcher.SwitchNext();
}
}
public IEnumerator Download(ProcedureSystem system)
{
// 注意：等所有文件下载完毕后，再替换版本文件
int newResourceVersion = PatchManager.Instance.GameVersion.Revision;
string url = PatchManager.MakeWebDownloadURL(newResourceVersion.ToString(), PatchDefine.StrPatchFileName);
string savePath = AssetPathHelper.MakePersistentLoadPath(PatchDefine.StrPatchFileName);
WebFileRequest download = new WebFileRequest(url, savePath);
yield return(download.DownLoad());
if (download.States != EWebRequestStates.Succeed)
{
download.Dispose();
system.Switch((int)EPatchStates.PatchError);
yield break;
}
else
{
PatchManager.Log(ELogType.Log, "Download web files is finish.");
download.Dispose();
system.SwitchNext();
}
}
private IEnumerator Download()
{
// 注意：开发者需要在下载前检测磁盘空间不足
// 计算下载文件的总大小
int totalDownloadCount = _patcher.DownloadList.Count;
long totalDownloadSizeBytes = 0;
foreach (var element in _patcher.DownloadList)
{
totalDownloadSizeBytes += element.SizeBytes;
}
// 开始下载列表里的所有资源
PatchHelper.Log(ELogLevel.Log, $"Begine download web files : {_patcher.DownloadList.Count}");
long currentDownloadSizeBytes = 0;
int currentDownloadCount = 0;
foreach (var element in _patcher.DownloadList)
{
// 注意：资源版本号只用于确定下载路径
string url = _patcher.GetWebDownloadURL(element.Version.ToString(), element.Name);
string savePath = AssetPathHelper.MakePersistentLoadPath(element.Name);
element.SavePath = savePath;
FileUtility.CreateFileDirectory(savePath);
// 创建下载器
WebFileRequest download = new WebFileRequest(url, savePath);
yield return(download.DownLoad()); //文件依次加载（在一个文件加载完毕后加载下一个）
PatchHelper.Log(ELogLevel.Log, $"Web file is download : {savePath}");
// 检测是否下载失败
if (download.States != EWebRequestStates.Success)
{
PatchEventDispatcher.SendWebFileDownloadFailedMsg(url, element.Name);
yield break;
}
// 立即释放加载器
download.Dispose();
currentDownloadCount++;
currentDownloadSizeBytes += element.SizeBytes;
PatchEventDispatcher.SendDownloadFilesProgressMsg(totalDownloadCount, currentDownloadCount, totalDownloadSizeBytes, currentDownloadSizeBytes);
}
// 验证下载文件的大小
if (_patcher.CheckLevel == ECheckLevel.CheckSize)
{
foreach (var element in _patcher.DownloadList)
{
long fileSize = FileUtility.GetFileSize(element.SavePath);
if (fileSize != element.SizeBytes)
{
PatchHelper.Log(ELogLevel.Error, $"Web file size check failed : {element.Name}");
PatchEventDispatcher.SendWebFileCheckFailedMsg(element.Name);
yield break;
}
}
}
// 验证下载文件的MD5
if (_patcher.CheckLevel == ECheckLevel.CheckMD5)
{
foreach (var element in _patcher.DownloadList)
{
string md5 = HashUtility.FileMD5(element.SavePath);
if (md5 != element.MD5)
{
PatchHelper.Log(ELogLevel.Error, $"Web file md5 check failed : {element.Name}");
PatchEventDispatcher.SendWebFileCheckFailedMsg(element.Name);
yield break;
}
}
}
// 最后清空下载列表
_patcher.DownloadList.Clear();
_patcher.SwitchNext();
}
public override void Update()
{
// 如果资源文件加载完毕
if (States == ELoaderStates.Success || States == ELoaderStates.Fail)
{
UpdateAllProvider();
return;
}
if (States == ELoaderStates.None)
{
// 检测加载地址是否为空
if (string.IsNullOrEmpty(BundleInfo.LocalPath))
{
States = ELoaderStates.Fail;
return;
}
if (string.IsNullOrEmpty(BundleInfo.RemoteURL))
{
States = ELoaderStates.CheckDepends;
}
else
{
States = ELoaderStates.Download;
}
}
// 1. 从服务器下载
if (States == ELoaderStates.Download)
{
_downloader = new WebFileRequest(BundleInfo.RemoteURL, BundleInfo.LocalPath);
_downloader.DownLoad();
States = ELoaderStates.CheckDownload;
}
// 2. 检测服务器下载结果
if (States == ELoaderStates.CheckDownload)
{
if (_downloader.IsDone() == false)
{
return;
}
if (_downloader.HasError())
{
_downloader.ReportError();
States = ELoaderStates.Fail;
}
else
{
// 校验文件完整性
if (AssetSystem.BundleServices.CheckContentIntegrity(BundleInfo.BundleName) == false)
{
MotionLog.Error($"Check download content integrity is failed : {BundleInfo.BundleName}");
States = ELoaderStates.Fail;
}
else
{
States = ELoaderStates.CheckDepends;
}
}
// 释放网络资源下载器
if (_downloader != null)
{
_downloader.Dispose();
_downloader = null;
}
}
// 3. 检测所有依赖完成状态
if (States == ELoaderStates.CheckDepends)
{
foreach (var dpLoader in _depends)
{
if (dpLoader.IsDone() == false)
{
return;
}
}
States = ELoaderStates.LoadFile;
}
// 4. 加载AssetBundle
if (States == ELoaderStates.LoadFile)
{
#if UNITY_EDITOR
// 注意：Unity2017.4编辑器模式下，如果AssetBundle文件不存在会导致编辑器崩溃，这里做了预判。
if (System.IO.File.Exists(BundleInfo.LocalPath) == false)
{
MotionLog.Warning($"Not found assetBundle file : {BundleInfo.LocalPath}");
States = ELoaderStates.Fail;
return;
}
#endif
// Load assetBundle file
if (BundleInfo.IsEncrypted)
{
if (AssetSystem.DecryptServices == null)
{
throw new Exception($"{nameof(AssetBundleLoader)} need IDecryptServices : {BundleInfo.BundleName}");
}
EDecryptMethod decryptType = AssetSystem.DecryptServices.DecryptType;
if (decryptType == EDecryptMethod.GetDecryptOffset)
{
ulong offset = AssetSystem.DecryptServices.GetDecryptOffset(BundleInfo);
_cacheRequest = AssetBundle.LoadFromFileAsync(BundleInfo.LocalPath, 0, offset);
}
else if (decryptType == EDecryptMethod.GetDecryptBinary)
{
byte[] binary = AssetSystem.DecryptServices.GetDecryptBinary(BundleInfo);
_cacheRequest = AssetBundle.LoadFromMemoryAsync(binary);
}
else
{
throw new NotImplementedException($"{decryptType}");
}
}
else
{
_cacheRequest = AssetBundle.LoadFromFileAsync(BundleInfo.LocalPath);
}
States = ELoaderStates.CheckFile;
}
// 5. 检测AssetBundle加载结果
if (States == ELoaderStates.CheckFile)
{
if (_cacheRequest.isDone == false)
{
return;
}
CacheBundle = _cacheRequest.assetBundle;
// Check error
if (CacheBundle == null)
{
MotionLog.Warning($"Failed to load assetBundle file : {BundleInfo.BundleName}");
States = ELoaderStates.Fail;
}
else
{
States = ELoaderStates.Success;
}
}
}
public IEnumerator Download(ProcedureSystem system)
{
// 检测磁盘空间不足
// TODO 检测磁盘空间不足
// 计算下载文件的总大小
int totalDownloadCount = PatchManager.Instance.DownloadList.Count;
long totalDownloadSizeKB = 0;
foreach (var element in PatchManager.Instance.DownloadList)
{
totalDownloadSizeKB += element.SizeKB;
}
// 开始下载列表里的所有资源
PatchManager.Log(ELogType.Log, $"Begine download web files : {PatchManager.Instance.DownloadList.Count}");
long currentDownloadSizeKB = 0;
int currentDownloadCount = 0;
foreach (var element in PatchManager.Instance.DownloadList)
{
// 注意：资源版本号只用于确定下载路径
string url = PatchManager.MakeWebDownloadURL(element.Version.ToString(), element.Name);
string savePath = AssetPathHelper.MakePersistentLoadPath(element.Name);
element.SavePath = savePath;
PatchManager.CreateFileDirectory(savePath);
// 创建下载器
WebFileRequest download = new WebFileRequest(url, savePath);
yield return(download.DownLoad()); //文件依次加载（在一个文件加载完毕后加载下一个）
PatchManager.Log(ELogType.Log, $"Web file is done : {url}");
// 检测是否下载失败
if (download.States != EWebRequestStates.Succeed)
{
_system.Switch((int)EPatchStates.PatchError);
PatchManager.SendWebFileDownloadFailedMsg(url);
yield break;
}
// 立即释放加载器
download.Dispose();
currentDownloadCount++;
currentDownloadSizeKB += element.SizeKB;
PatchManager.SendDownloadFilesProgressMsg(totalDownloadCount, currentDownloadCount, totalDownloadSizeKB, currentDownloadSizeKB);
}
// 验证下载文件的MD5
foreach (var element in PatchManager.Instance.DownloadList)
{
string md5 = HashUtility.FileMD5(element.SavePath);
if (md5 != element.MD5)
{
_system.Switch((int)EPatchStates.PatchError);
PatchManager.Log(ELogType.Error, $"Web file md5 verification error : {element.Name}");
PatchManager.SendWebFileMD5VerifyFailedMsg(element.Name);
yield break;
}
}
// 最后清空下载列表
PatchManager.Instance.DownloadList.Clear();
_system.SwitchNext();
}