void Unzip(string source, string dest)
{
m_State = ePatchState.Processing;
unzip_source_path = source;
if (m_DeltaVersion > 0)
{
unzip_dest_path = dest + delta_filename;
}
else
{
unzip_dest_path = dest + AssetManager.AssetBundleFilename;
}
Debug.Log(unzip_source_path);
Debug.Log(unzip_dest_path);
if (Directory.Exists(dest) == false)
{
Directory.CreateDirectory(dest);
}
#if !UNITY_WEBPLAYER
uncompressed_bytes[0] = 0;
uncompressed_size = LZ4.uncompressedSize(unzip_source_path);
//Debug.LogFormat("[Uncompressed Byte:{0}MB] [Available Size:{1}MB]", uncompressed_size / MAGABYTE, GetStorageFreeSpace());
if (uncompressed_size / MEGABYTE > GetStorageFreeSpace())
{
Popup.Instance.ShowCallbackKey(new PopupCallback.Callback(new Action(Start), null), string.Format("Not Enough Free Space! \n [Need:{0}] [Now Free Space:{1}]", uncompressed_size / MEGABYTE, GetStorageFreeSpace()));
return;
}
#if USE_THREAD
Thread th = new Thread(UnZipThread);
th.Start();
#else
UnZipThread();
#endif
#endif
}
// Update is called once per frame
void Update() //更新文本和进度条
{
switch (m_State)
{
case ePatchState.Ready:
m_ProgressBar.value = 0f;
m_DownloadLabel.text = Localization.Get("ReadytoDownload");
break;
case ePatchState.Download:
m_ProgressBar.value = m_ProgressValue;
m_DownloadLabel.text = string.Format("{0} : {1:n1}%", m_State, m_ProgressBar.value * 100);
break;
case ePatchState.DownloadFull:
m_DeltaVersion = 0;
InitDownload();
break;
case ePatchState.Processing:
//if (lzma.trueTotalFiles == 0) return;
m_ProgressBar.value = (float)uncompressed_bytes[0] / uncompressed_size;
m_DownloadLabel.text = string.Format("{0} : {1:n1}%", m_State, m_ProgressBar.value * 100);
if (uncompressed_bytes[0] == uncompressed_size)
{
//Debug.LogFormat("[m_DeltaVersion{0}]", m_DeltaVersion);
File.Delete(unzip_source_path);
if (m_DeltaVersion > 0)
{
ApplyDelta();
m_State = ePatchState.ApplyDelta;
}
else
{
m_State = ePatchState.PatchEnd;
}
}
break;
case ePatchState.ApplyDelta:
m_ProgressBar.value = m_DeltaApplyProgress.Percent;
if (m_DeltaApplyProgress.IsFail == true)
{
m_State = ePatchState.DownloadFull;
}
else if (m_DeltaApplyProgress.IsSuccess == true)
{
m_State = ePatchState.PatchEnd;
}
else
{
if (m_SkipHashCheck == true && m_DeltaApplyProgress.IsEnd)
{
m_DownloadLabel.text = string.Format("{0} : {1:n1}%", "CheckFile", m_ProgressBar.value * 100);
}
else
{
m_DownloadLabel.text = string.Format("{0} : {1:n1}%", m_State, m_ProgressBar.value * 100);
}
}
break;
case ePatchState.PatchEnd:
m_State = ePatchState.LoadScene;
SHSavedData.Instance.BundleVersion = m_BundleVersion;
UnityEngine.SceneManagement.SceneManager.LoadScene("title", UnityEngine.SceneManagement.LoadSceneMode.Single); //进入title场景
Debug.LogFormat("PatchComplete! [m_BundleVersion:{0}] [m_DeltaVersion:{1}]", m_BundleVersion, m_DeltaVersion);
break;
}
}
void OnDownload(int bundleVersion)
{
#if UNITY_EDITOR //是否在 当前的unity编辑器中运行
Debug.Log("OnDownload");
#endif
HTTPManager.IsCachingDisabled = true; //是否正在缓存
HTTPManager.IsCookiesEnabled = false; //
HTTPManager.ConnectTimeout = TimeSpan.FromSeconds(5f);
HTTPManager.RequestTimeout = TimeSpan.FromSeconds(120f);
string status;
AssetManager.bundleVersion = bundleVersion;
m_DownloadDir = AssetManager.AssetPath;
if (Directory.Exists(m_DownloadDir) == false)
{
Directory.CreateDirectory(m_DownloadDir);
}
if (m_DeltaVersion > 0)
{
#if UNITY_ANDROID
m_DownloadFilename = string.Format("{0}_Android.zip", m_DeltaVersion);
#elif UNITY_IOS
m_DownloadFilename = string.Format("{0}_iOS.zip", m_DeltaVersion);
#else
m_DownloadFilename = string.Format("{0}_StandaloneWindows.zip1", m_DeltaVersion);
#endif
}
else
{
#if UNITY_ANDROID
m_DownloadFilename = "Android.zip";
#elif UNITY_IOS
m_DownloadFilename = "iOS.zip";
#else
m_DownloadFilename = "StandaloneWindows.zip";
#endif
}
string URL = GetDownloadURL(m_DownloadFilename); //生成下载链接
if (File.Exists(m_DownloadDir + m_DownloadFilename) == true)
{
File.Delete(m_DownloadDir + m_DownloadFilename); //删除以前的包
}
m_Request = new HTTPRequest(new Uri(URL), false, true, (req, resp) => //这是一个lambda 表达式 参数 是req 和resp 的匿名函数 这是一个http 的请求
{
//check available space
if (pre_download_size_check == false)
{
pre_download_size_check = true;
//Debug.LogFormat("[Download File Size:{0}MB] [AvailableSize:{1}MB]", req.DownloadLength / MAGABYTE, GetStorageFreeSpace());
if (((req.DownloadLength / MEGABYTE) < GetStorageFreeSpace()) == false) //判断剩余的控件够不够 如果不够
{
//弹出提示框
Popup.Instance.ShowCallbackKey(new PopupCallback.Callback(new Action(Start), null), string.Format("Not Enough Free Space! \n [Need:{0}] [Now Free Space:{1}]", req.DownloadLength / MEGABYTE, GetStorageFreeSpace()));
req.Abort(); //放弃更新
m_Request = null;
return;
}
}
switch (req.State) //判断返回的状态
{
// The request is currently processed. With UseStreaming == true, we can get the streamed fragments here
case HTTPRequestStates.Processing: //如果是正在进行
// Get the fragments, and save them
ProcessFragments(resp.GetStreamedFragments()); //根据返回的数据创建文件
m_ProgressValue = req.Downloaded / (float)req.DownloadLength; //更新进度条
break;
// The request finished without any problem.
case HTTPRequestStates.Finished: //完成
if (resp.IsSuccess)
{
// Save any remaining fragments
ProcessFragments(resp.GetStreamedFragments()); //根据返回的数据创建文件
// Completly finished
if (resp.IsStreamingFinished) //是不是传输完成
{
Unzip(); //解压
m_Request = null;
}
}
else
{
if (resp.StatusCode == 404 && m_DeltaVersion > 0)
{
m_State = ePatchState.DownloadFull;
}
else
{
Popup.Instance.ShowMessage("{0} {1}", resp.StatusCode, resp.Message);
status = string.Format("Request finished Successfully, but the server sent an error. Status Code: {0}-{1} Message: {2}",
resp.StatusCode,
resp.Message,
resp.DataAsText);
Debug.LogWarning(URL);
Debug.LogWarning(status);
}
m_Request = null;
}
break;
// The request finished with an unexpected error. The request's Exception property may contain more info about the error.
case HTTPRequestStates.Error: //http访问出错
status = "Request Finished with Error! " + (req.Exception != null ? (req.Exception.Message + "\n" + req.Exception.StackTrace) : "No Exception");
Debug.LogError(status);
Popup.Instance.ShowMessage(req.Exception != null ? req.Exception.Message : "HTTPRequestStates.Error");
m_Request = null;
break;
// The request aborted, initiated by the user.
case HTTPRequestStates.Aborted: //放弃
status = "Request Aborted!";
Debug.LogWarning(status);
Popup.Instance.ShowMessage(status);
m_Request = null;
break;
// Ceonnecting to the server is timed out.
case HTTPRequestStates.ConnectionTimedOut: //htp连接超时
status = "Connection Timed Out!";
Debug.LogError(status);
Popup.Instance.ShowMessage(status);
m_Request = null;
break;
// The request didn't finished in the given time.
case HTTPRequestStates.TimedOut: //http访问超时
status = "Processing the request Timed Out!";
Debug.LogError(status);
Popup.Instance.ShowMessage(status);
m_Request = null;
break;
}
});
//// Are there any progress, that we can continue?
//if (PlayerPrefs.HasKey("DownloadProgress"))
// // Set the range header
// request.SetRangeHeader(PlayerPrefs.GetInt("DownloadProgress"));
//else
// // This is a new request
// PlayerPrefs.SetInt("DownloadProgress", 0);
// If we are writing our own file set it true(disable), so don't duplicate it on the filesystem
m_Request.DisableCache = true;
// We want to access the downloaded bytes while we are still downloading
m_Request.UseStreaming = true;
// Set a reasonable high fragment size. Here it is 5 megabytes.
m_Request.StreamFragmentSize = HTTPResponse.MinBufferSize;
// Start Processing the request
m_Request.Send();
m_State = ePatchState.Download;
}
