// open file stream (file must be listed in manifest)
private void OpenBundle(UBundle bundle)
{
var filename = bundle.name;
if (LoadBundleFile(bundle, _localPathRoot))
{
return;
}
if (_streamingAssets != null && _streamingAssets.Contains(bundle.name, bundle.checksum, bundle.size))
{
bundle.AddRef();
JobScheduler.DispatchCoroutine(
_streamingAssets.LoadBundle(bundle.name, stream =>
{
if (stream != null)
{
bundle.Load(stream);
}
else
{
PrintLog($"read from streamingassets failed: {bundle.name}");
DownloadBundleFile(bundle);
}
bundle.RemoveRef();
})
);
return;
}
DownloadBundleFile(bundle);
}
// open file stream (file must be listed in manifest)
private void OpenBundle(UBundle bundle)
{
var filename = bundle.name;
if (LoadBundleFile(bundle, _localPathRoot))
{
return;
}
// 无法打开现有文件, 下载新文件
bundle.AddRef();
AddDownloadTask(DownloadTask.Create(
bundle.name, bundle.checksum, bundle.size, bundle.priority,
_urls,
_localPathRoot,
-1,
10,
self =>
{
_tasks.Remove(self);
_runningTasks--;
Schedule();
if (!LoadBundleFile(bundle, _localPathRoot))
{
bundle.Load(null);
}
bundle.RemoveRef();
}));
}
private bool LoadBundleFile(UBundle bundle, string localPathRoot)
{
var fullPath = Path.Combine(localPathRoot, bundle.name);
var fileStream = Utils.Helpers.GetBundleStream(fullPath, bundle.bundleInfo);
if (fileStream != null)
{
bundle.Load(fileStream); // 生命周期转由 UAssetBundleBundle 管理
return(true);
}
return(false);
}
private void DownloadBundleFile(UBundle bundle)
{
// 无法打开现有文件, 下载新文件
bundle.AddRef();
AddDownloadTask(DownloadTask.Create(bundle.bundleInfo, _urls, _localPathRoot, -1, 10, self =>
{
RemoveDownloadTask(self);
if (!LoadBundleFile(bundle, _localPathRoot))
{
bundle.Load(null);
}
bundle.RemoveRef();
}), true);
}
private bool LoadBundleFile(UBundle bundle)
{
var fullPath = Path.Combine(_localPathRoot, bundle.name);
var fileStream = Utils.Helpers.GetBundleStream(fullPath, bundle.bundleInfo);
if (fileStream != null)
{
// Stream 生命周期转由 UAssetBundleBundle 管理
bundle.Load(Utils.Helpers.GetDecryptStream(fileStream, bundle.bundleInfo, _password));
return(true);
}
return(false);
}
private bool LoadBundleFile(UBundle bundle)
{
try
{
var fullPath = Path.Combine(_localPathRoot, bundle.name);
var fileStream = Utils.Helpers.GetBundleStream(fullPath, bundle.bundleInfo);
if (fileStream != null)
{
// Stream 生命周期转由 UAssetBundleBundle 管理
bundle.Load(Utils.Helpers.GetDecryptStream(fileStream, bundle.bundleInfo, _password));
return(true);
}
}
catch (Exception exception)
{
Debug.LogErrorFormat("LoadBundleFile({0}) exception\n{1}", bundle.name, exception);
}
return(false);
}
