/// <summary>
/// 允许传入progress用于添加回调函数
/// </summary>
/// <param name="bundles"></param>
/// <param name="progress"></param>
/// <returns></returns>
/*public DownloaderProgress StartDownloadFile(List<DownloadFileInfo> bundles, MonoBehaviour followedTarget
* , FollowTargetMode followMode = FollowTargetMode.TargetDisactiveDoNothing, DownloaderProgress progress = null)
* {
* if (progress == null) progress = new DownloaderProgress();
* GameTaskManager.Instance.CreateTask(IDownloadAllFiles(bundles, progress), followedTarget, followMode);
* return progress;
* }
*
* public DownloaderProgress StartHttpGetText(string fileName, DownloaderProgress progress = null)
* {
* if (progress == null) progress = new DownloaderProgress();
* GameTaskManager.Instance.CreateTask(IHTTPGetFile(fileName, progress));
* return progress;
* }
* public DownloaderProgress StartHttpGetText(string fileName, MonoBehaviour followedTarget
* , FollowTargetMode followMode = FollowTargetMode.TargetDisactiveDoNothing, DownloaderProgress progress = null)
* {
* if (progress == null) progress = new DownloaderProgress();
* GameTaskManager.Instance.CreateTask(IHTTPGetFile(fileName, progress), followedTarget, followMode);
* return progress;
* }
*
* public DownloaderProgress StartHttpGetRaw(string fileName, DownloaderProgress progress = null)
* {
* if (progress == null) progress = new DownloaderProgress();
* GameTaskManager.Instance.CreateTask(IHTTPGetFile(fileName, progress));
* return progress;
* }
* public DownloaderProgress StartHttpGetRaw(string fileName, MonoBehaviour followedTarget
* , FollowTargetMode followMode = FollowTargetMode.TargetDisactiveDoNothing, DownloaderProgress progress = null)
* {
* if (progress == null) progress = new DownloaderProgress();
* GameTaskManager.Instance.CreateTask(IHTTPGetFile(fileName, progress), followedTarget, followMode);
* return progress;
* }*/
protected virtual IEnumerator IHTTPGetFile(string relativePath, DownloaderProgress outProgress, bool isSaveResult = false)
{
outProgress.UpdateProgress();
byte[] data;
string path = this.GetAbsoluteUri(relativePath);
using (UnityWebRequest www = new UnityWebRequest(path))
{
www.downloadHandler = new DownloadHandlerBuffer();
www.SendWebRequest();
while (!www.isDone)
{
if (www.downloadProgress >= 0)
{
if (outProgress.TotalSize <= 0)
{
outProgress.InitCompletedSize((long)(www.downloadedBytes / www.downloadProgress), (long)www.downloadedBytes);
}
outProgress.RealCompletedSize = (long)www.downloadedBytes;
outProgress.UpdateProgress();
}
yield return(null);
}
if (!string.IsNullOrEmpty(www.error))
{
outProgress.SetException(www.error, eWWWErrorType.DownloadNetError);
yield break;
}
data = www.downloadHandler.data;
}
outProgress.SetRaw(data);
}
/// <summary>
/// 允许传入progress用于添加回调函数
/// </summary>
/// <param name="bundles"></param>
/// <param name="progress"></param>
/// <returns></returns>
public DownloaderProgress StartDownloadFile(List <DownloadFileInfo> bundles, DownloaderProgress progress = null)
{
if (progress == null)
{
progress = new DownloaderProgress();
}
//TaskManager.Instance.CreateTask(IDownloadAllFiles(bundles, progress));
return(progress);
}
protected IEnumerator IDownloadAllFiles(List <DownloadFileInfo> files, DownloaderProgress outprogress)
{
long totalSize = 0;
long downloadedSize = 0;
List <DownloadFileInfo> list = new List <DownloadFileInfo>();
for (int i = 0; i < files.Count; i++)
{
var info = files[i];
totalSize += info.FileSize;
if (UnityPersistFileHelper.IsPersistAssetFileExist(SavedDir, info.FileName))
{
downloadedSize += info.FileSize;
continue;
}
list.Add(info);
}
outprogress.InitCompletedSize(totalSize, downloadedSize);
List <KeyValuePair <DownloadFileInfo, UnityWebRequest> > tasks = new List <KeyValuePair <DownloadFileInfo, UnityWebRequest> >();
for (int i = 0; i < list.Count; i++)
{
var bundleInfo = list[i];
UnityWebRequest www;
//我们的Bundle是基于Hash命名的，无需在意Cache
www = new UnityWebRequest(GetAbsoluteUri(bundleInfo.FileName));
www.downloadHandler = new DownloadHandlerBuffer();
www.SendWebRequest();
tasks.Add(new KeyValuePair <DownloadFileInfo, UnityWebRequest>(bundleInfo, www));
while (tasks.Count >= this.MaxTaskCount || (i == list.Count - 1 && tasks.Count > 0))
{
//判断暂停
while (outprogress.IsPause)
{
yield return(new WaitForSeconds(0.1f));//WaitingForSecondConst.RWaitMS100;
}
if (outprogress.IsStop)
{
yield break;
}
long tmpSize = 0;
for (int j = tasks.Count - 1; j >= 0; j--)
{
var task = tasks[j];
var _bundleInfo = task.Key;
UnityWebRequest _www = task.Value;
if (!_www.isDone)
{
tmpSize += Math.Max(0, (long)(_www.downloadProgress * _bundleInfo.FileSize));
continue;
}
tasks.RemoveAt(j);
downloadedSize += _bundleInfo.FileSize;
if (!string.IsNullOrEmpty(_www.error))
{
outprogress.SetException((_www.error), eWWWErrorType.DownloadNetError);
CommonLog.Error("Downloads File '{0}' failure from the address '{1}'.Reason:{2}", _bundleInfo.FileName, GetAbsoluteUri(_bundleInfo.FileName), _www.error);
yield break;
}
try
{
{
string fileName = _bundleInfo.FileName;
string tempName = new Guid().ToString() + ".download";
var pathRoot = UnityPersistFileHelper.GetPersistAssetFilePath(SavedDir, "");
//删了旧文件
FileUtils.DeleteFile(pathRoot + fileName);
//写到临时文件
FileUtils.WriteAllBytes(pathRoot + tempName, _www.downloadHandler.data);
//写完改名字
FileUtils.RenameFile(pathRoot, tempName, fileName);
}
if (resDownloadGcCounter++ >= resDownloadGcTriggerNum)
{
resDownloadGcCounter = 0;
GC.Collect();
}
}
catch (Exception e)
{
outprogress.SetException(e, eWWWErrorType.WriteFileError);
CommonLog.Error("Downloads File '{0}' failure from the address '{1}'.Reason:{2}", _bundleInfo.FileName, GetAbsoluteUri(_bundleInfo.FileName), e);
yield break;
}
finally
{
// 卸载资源
if (_www != null)
{
_www.Dispose();
_www = null;
}
}
}
outprogress.RealCompletedSize = downloadedSize + tmpSize;
outprogress.UpdateProgress();
yield return(new WaitForSeconds(0.1f));//WaitingForSecondConst.RWaitMS100;
}
}
outprogress.SetRaw(null);
}
