protected override IEnumerator DoDownloadBundles(IProgressPromise <Progress, bool> promise, List <BundleInfo> bundles)
{
long totalSize = 0;
long downloadedSize = 0;
Progress progress = new Progress();
List <BundleInfo> list = new List <BundleInfo>();
for (int i = 0; i < bundles.Count; i++)
{
var info = bundles[i];
totalSize += info.FileSize;
if (BundleUtil.Exists(info))
{
downloadedSize += info.FileSize;
continue;
}
list.Add(info);
}
progress.TotalSize = totalSize;
progress.CompletedSize = downloadedSize;
yield return(null);
List <KeyValuePair <BundleInfo, UnityWebRequest> > tasks = new List <KeyValuePair <BundleInfo, UnityWebRequest> >();
for (int i = 0; i < list.Count; i++)
{
BundleInfo bundleInfo = list[i];
UnityWebRequest www;
if (useCache && !bundleInfo.IsEncrypted)
{
#if UNITY_2018_1_OR_NEWER
www = UnityWebRequestAssetBundle.GetAssetBundle(GetAbsoluteUri(bundleInfo.Filename), bundleInfo.Hash, 0);
#else
www = UnityWebRequest.GetAssetBundle(GetAbsoluteUri(bundleInfo.Filename), bundleInfo.Hash, 0);
#endif
}
else
{
www = new UnityWebRequest(GetAbsoluteUri(bundleInfo.Filename));
www.downloadHandler = new DownloadHandlerBuffer();
}
#if UNITY_2018_1_OR_NEWER
www.SendWebRequest();
#else
www.Send();
#endif
tasks.Add(new KeyValuePair <BundleInfo, UnityWebRequest>(bundleInfo, www));
while (tasks.Count >= this.MaxTaskCount || (i == list.Count - 1 && tasks.Count > 0))
{
long tmpSize = 0;
for (int j = tasks.Count - 1; j >= 0; j--)
{
var task = tasks[j];
BundleInfo _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))
{
promise.SetException(new Exception(_www.error));
if (log.IsErrorEnabled)
{
log.ErrorFormat("Downloads AssetBundle '{0}' failure from the address '{1}'.Reason:{2}", _bundleInfo.FullName, GetAbsoluteUri(_bundleInfo.Filename), _www.error);
}
yield break;
}
try
{
if (useCache && !bundleInfo.IsEncrypted)
{
AssetBundle bundle = ((DownloadHandlerAssetBundle)_www.downloadHandler).assetBundle;
if (bundle != null)
{
bundle.Unload(true);
}
}
else
{
string fullname = BundleUtil.GetStorableDirectory() + _bundleInfo.Filename;
FileInfo info = new FileInfo(fullname);
if (info.Exists)
{
info.Delete();
}
if (!info.Directory.Exists)
{
info.Directory.Create();
}
File.WriteAllBytes(info.FullName, _www.downloadHandler.data);
}
}
catch (Exception e)
{
promise.SetException(e);
if (log.IsErrorEnabled)
{
log.ErrorFormat("Downloads AssetBundle '{0}' failure from the address '{1}'.Reason:{2}", _bundleInfo.FullName, GetAbsoluteUri(_bundleInfo.Filename), e);
}
yield break;
}
}
progress.CompletedSize = downloadedSize + tmpSize;
promise.UpdateProgress(progress);
yield return(null);
}
}
promise.SetResult(true);
}
protected override IEnumerator DoDownloadBundles(IProgressPromise <Progress, bool> promise, List <BundleInfo> bundles)
{
long totalSize = 0;
long downloadedSize = 0;
Progress progress = new Progress();
List <BundleInfo> list = new List <BundleInfo>();
for (int i = 0; i < bundles.Count; i++)
{
var info = bundles[i];
totalSize += info.FileSize;
if (BundleUtil.Exists(info))
{
downloadedSize += info.FileSize;
continue;
}
list.Add(info);
}
progress.TotalSize = totalSize;
progress.CompletedSize = downloadedSize;
yield return(null);
List <KeyValuePair <BundleInfo, WWW> > tasks = new List <KeyValuePair <BundleInfo, WWW> >();
for (int i = 0; i < list.Count; i++)
{
BundleInfo bundleInfo = list[i];
WWW www = (useCache && !bundleInfo.IsEncrypted) ? WWW.LoadFromCacheOrDownload(GetAbsoluteUri(bundleInfo.Filename), bundleInfo.Hash) : new WWW(GetAbsoluteUri(bundleInfo.Filename));
tasks.Add(new KeyValuePair <BundleInfo, WWW>(bundleInfo, www));
while (tasks.Count >= this.MaxTaskCount || (i == list.Count - 1 && tasks.Count > 0))
{
long tmpSize = 0;
for (int j = tasks.Count - 1; j >= 0; j--)
{
var task = tasks[j];
BundleInfo _bundleInfo = task.Key;
WWW _www = task.Value;
if (!_www.isDone)
{
tmpSize += Math.Max(0, (long)(_www.progress * _bundleInfo.FileSize));
continue;
}
tasks.RemoveAt(j);
downloadedSize += _bundleInfo.FileSize;
if (!string.IsNullOrEmpty(_www.error))
{
promise.SetException(new Exception(_www.error));
if (log.IsErrorEnabled)
{
log.ErrorFormat("Downloads AssetBundle '{0}' failure from the address '{1}'.Reason:{2}", _bundleInfo.FullName, GetAbsoluteUri(_bundleInfo.Filename), _www.error);
}
yield break;
}
try
{
if (useCache && !_bundleInfo.IsEncrypted)
{
AssetBundle bundle = _www.assetBundle;
if (bundle != null)
{
bundle.Unload(true);
}
}
else
{
string fullname = BundleUtil.GetReadOnlyDirectory() + _bundleInfo.Filename;
FileInfo info = new FileInfo(fullname);
if (info.Exists)
{
info.Delete();
}
if (!info.Directory.Exists)
{
info.Directory.Create();
}
File.WriteAllBytes(info.FullName, _www.bytes);
}
}
catch (Exception e)
{
promise.SetException(e);
if (log.IsErrorEnabled)
{
log.ErrorFormat("Downloads AssetBundle '{0}' failure from the address '{1}'.Reason:{2}", _bundleInfo.FullName, GetAbsoluteUri(_bundleInfo.Filename), e);
}
yield break;
}
}
progress.CompletedSize = downloadedSize + tmpSize;
promise.UpdateProgress(progress);
yield return(null);
}
}
promise.SetResult(true);
}
