private WebFileRequest CreateDownloader(PatchBundle patchBundle)
{
// 注意：资源版本号只用于确定下载路径
string mainURL = _patcherMgr.GetPatchDownloadURL(patchBundle.Version, patchBundle.Hash);
string fallbackURL = _patcherMgr.GetPatchDownloadFallbackURL(patchBundle.Version, patchBundle.Hash);
string savePath = PatchHelper.MakeSandboxCacheFilePath(patchBundle.Hash);
FileUtility.CreateFileDirectory(savePath);
// 创建下载器
MotionLog.Log($"Beginning to download web file : {patchBundle.BundleName} URL : {mainURL}");
WebFileRequest download = WebFileSystem.GetWebFileRequest(mainURL, fallbackURL, savePath, _failedTryAgain);
download.UserData = patchBundle;
return(download);
}
private string GetRequestURL(bool ignoreResrouceVersion, int resourceVersion, string fileName)
{
string url;
// 轮流返回请求地址
if (_requestCount % 2 == 0)
{
url = _patcher.GetPatchDownloadFallbackURL(resourceVersion, fileName);
}
else
{
url = _patcher.GetPatchDownloadURL(resourceVersion, fileName);
}
// 注意：在URL末尾添加时间戳
if (ignoreResrouceVersion)
{
url = $"{url}?{System.DateTime.UtcNow.Ticks}";
}
return(url);
}