private void OnOperationCompleted(AsyncOperation opt)
{
var operation = opt as UnityWebRequestAsyncOperation;
var request = operation.webRequest;
if (request.isNetworkError || request.isHttpError ||
info.currentSize < info.totalSize)
{
state = DownloadState.error;
}
else
{
state = DownloadState.done;
}
m_FileDownloadHandler.CloseStream();
m_FileDownloadHandler = null;
request.Dispose();
}
public void Start()
{
state = DownloadState.downloading;
var dirname = Path.GetDirectoryName(info.path);
if (!Directory.Exists(dirname))
{
Directory.CreateDirectory(dirname);
}
if (info.currentSize == info.totalSize)
{
state = DownloadState.done;
}
else
{
m_FileDownloadHandler = new FileDownloadHandler(info);
if (!m_FileDownloadHandler.OpenOrCreateFile())
{
state = DownloadState.error;
m_FileDownloadHandler.CloseStream();
}
else
{
var request = UnityWebRequest.Get(info.url);
request.timeout = 60;
request.redirectLimit = 1;
request.downloadHandler = m_FileDownloadHandler;
if (info.currentSize == 0)
{
request.SetRequestHeader("Range", "bytes=0-");
}
else
{
request.SetRequestHeader("Range", "bytes=" + info.currentSize + "-" + info.totalSize);
}
var operation = request.SendWebRequest();
operation.completed += OnOperationCompleted;
}
}
}