public void CancelAll()
{
for (int i = 0; i < _taskList.Count; i++)
{
_taskList[i].onDownloadState = null;
}
_taskList.Clear();
StopAllCoroutines();
if (_curWebRequest != null)
{
GameWebRequest.DestroyAssetBundleWebRequest(_curWebRequest);
_curWebRequest = null;
}
_curTask = null;
}
private void OnDownloadFinish(GameResDownloadTask task)
{
_curTask = null;
if (task.onDownloadState != null)
{
task.onDownloadState((int)task.state, 1.0f, task.totalSize, _taskList.Count);
}
for (int i = 0; i < _taskList.Count; i++)
{
if (_taskList[i].taskId == task.taskId)
{
_taskList.RemoveAt(i);
break;
}
}
if (_taskList.Count > 0 && _taskList[0].state == GameResDownloadState.WAITING)
{
StartCoroutine(_DownloadAsync(_taskList[0]));
}
}
// onDownloadState 0下载完成 1下载失败 2下载中
public int Start(string bundleName, string[] urls, string hash, int totalSize, Action <int, float, int, int> onDownloadState, int timeOut = 10, bool isImmediatelyStart = true)
{
var task = new GameResDownloadTask()
{
taskId = _taskIdGenerator++,
bundleName = bundleName,
hash = hash,
urls = urls,
totalSize = totalSize,
onDownloadState = onDownloadState,
timeOut = timeOut,
state = GameResDownloadState.WAITING,
};
if (isImmediatelyStart || _taskList.Count == 0)
{
_taskList.Insert(0, task);
StopAllCoroutines();
if (_curTask != null)
{
_curTask.state = GameResDownloadState.WAITING;
_curTask = null;
}
if (_curWebRequest != null)
{
GameWebRequest.DestroyAssetBundleWebRequest(_curWebRequest);
_curWebRequest = null;
}
StartCoroutine(_DownloadAsync(task));
}
else
{
_taskList.Add(task);
}
return(task.taskId);
}
private IEnumerator _DownloadAsync(GameResDownloadTask task)
{
_curTask = task;
var realHash = Hash128.Parse(task.hash);
task.state = GameResDownloadState.DOWNLOADING;
#if UNITY_ANDROID && !UNITY_EDITOR
Caching.compressionEnabled = !task.bundleName.Contains("video");
#endif
bool success = false;
foreach (string url in task.urls)
{
float checkTimeOutTime = Time.time;
float progress = 0;
FTDebug.Log(string.Format("Download {0} From {1} Size[{2}]", task.bundleName, url, task.totalSize));
_curWebRequest = GameWebRequest.SendAssetBundleWebRequest(url, realHash, true);
if (task.onDownloadState != null)
{
task.onDownloadState((int)GameResDownloadState.DOWNLOADING, 0, 0, _taskList.Count);
}
while (_curWebRequest != null && !_curWebRequest.request.isDone)
{
if (!string.IsNullOrEmpty(_curWebRequest.request.error))
{
break;
}
var _progress = _curWebRequest.request.downloadProgress;
if (task.timeOut != 0)
{
if (progress != _progress)
{
checkTimeOutTime = Time.time;
}
else if (Time.time - checkTimeOutTime >= task.timeOut)
{
break;
}
}
if (progress != _progress && task.onDownloadState != null)
{
task.onDownloadState((int)GameResDownloadState.DOWNLOADING, _progress, (int)(_progress * task.totalSize), _taskList.Count);
}
progress = _progress;
yield return(null);
}
FTDebug.LogWarning(string.Format("Download Result {0} From {1} Error[{2}] {3}", task.bundleName, url, _curWebRequest.request.error, _curWebRequest.request.isDone));
if (!string.IsNullOrEmpty(_curWebRequest.request.error) || !_curWebRequest.request.isDone)
{
FTDebug.LogWarning(string.Format("Failed To Download {0} From {1} Error[{2}]", task.bundleName, url, _curWebRequest.request.error));
GameWebRequest.DestroyAssetBundleWebRequest(_curWebRequest);
_curWebRequest = null;
continue;
}
FTDebug.Log(string.Format("Download Success {0} From {1} Size[{2}]", task.bundleName, url, task.totalSize));
GameWebRequest.DestroyAssetBundleWebRequest(_curWebRequest);
_curWebRequest = null;
success = true;
break;
}
#if UNITY_ANDROID && !UNITY_EDITOR
if (!Caching.compressionEnabled)
{
Caching.compressionEnabled = true;
}
#endif
task.state = success ? GameResDownloadState.SUCCESS : GameResDownloadState.FAILED;
OnDownloadFinish(task);
}
