//NOTE: 调用此接口时已经确认 StreamingAssets 以及本地包文件均无效
private DownloadWorker.JobInfo _DownloadBundleFile(Manifest.BundleInfo bundleInfo, Action callback, bool emergency)
{
var bytesPerSecond = emergency ? _bytesPerSecond : _bytesPerSecondIdle;
var oldJob = _FindDownloadJob(bundleInfo.name);
if (oldJob != null)
{
if (oldJob.bytesPerSecond < bytesPerSecond)
{
oldJob.bytesPerSecond = bytesPerSecond;
}
if (callback != null)
{
oldJob.callback += callback;
}
return(oldJob);
}
// 无法打开现有文件, 下载新文件
var bundlePath = Path.Combine(_localPathRoot, bundleInfo.name);
var newJob = new DownloadWorker.JobInfo(bundleInfo.name, bundleInfo.checksum, bundleInfo.comment, bundleInfo.priority, bundleInfo.size, bundlePath)
{
emergency = emergency,
bytesPerSecond = bytesPerSecond,
callback = callback
};
AddDownloadTask(newJob);
Schedule();
return(newJob);
}
private void onDownloadJobDone(DownloadWorker.JobInfo jobInfo)
{
if (_jobs.Remove(jobInfo))
{
_activeJobs--;
}
try
{
jobInfo.callback?.Invoke();
ResourceManager.GetListener().OnTaskComplete(jobInfo);
}
catch (Exception exception)
{
Debug.LogWarningFormat("下载完成任务回调通知异常 {0}", exception);
}
var bundle = TryGetBundle(jobInfo.name);
if (bundle != null)
{
if (!LoadBundleFile(bundle))
{
Debug.LogErrorFormat("下载完成但文件载入失败 {0}", bundle.name);
bundle.Load(null);
}
}
Schedule();
}
private DownloadWorker.JobInfo AddDownloadTask(DownloadWorker.JobInfo newJob)
{
for (var it = _jobs.First; it != null; it = it.Next)
{
var task = it.Value;
if (newJob.priority > task.priority)
{
_jobs.AddBefore(it, newJob);
return(newJob);
}
}
_jobs.AddLast(newJob);
return(newJob);
}
private void onDownloadJobDone(DownloadWorker.JobInfo jobInfo)
{
if (_jobs.Remove(jobInfo))
{
_activeJobs--;
}
jobInfo.callback?.Invoke();
ResourceManager.GetListener().OnTaskComplete(jobInfo);
var bundle = TryGetBundle(jobInfo.name);
if (bundle != null)
{
if (!LoadBundleFile(bundle))
{
bundle.Load(null);
}
}
Schedule();
}