private IEnumerator Download()
{
var downloader = _patcher.InternalDownloader;
// 注册下载回调
downloader.OnPatchFileCheckFailedCallback = PatchEventDispatcher.SendWebFileCheckFailedMsg;
downloader.OnPatchFileDownloadFailedCallback = PatchEventDispatcher.SendWebFileDownloadFailedMsg;
downloader.OnPatchFileDownloadSucceedCallback = PatchEventDispatcher.SendDownloadFilesProgressMsg;
downloader.Download();
yield return(downloader);
// 检测下载结果
if (downloader.DownloadStates != EDownloaderStates.Succeed)
{
yield break;
}
// 缓存本地资源版本号
_patcher.CacheLocalResourceVersion();
_patcher.SwitchNext();
}