//完成读取或的操作
private void DownloadFinishOperation(AssetBundleDownLoadOperation operation)
{
if (!operation.isError)
{
//将下载完成的assetbundle存放在字典里
LoadedAssetBundle loadedAssetBundle = new LoadedAssetBundle(operation.assetBundleName, operation.assetBundle);
LoadedAssetBundle testLoadedBundle;
if (m_LoadedAssetBundles.TryGetValue(operation.assetBundleName, out testLoadedBundle))
{
m_LoadedAssetBundles.Remove(operation.assetBundleName);
testLoadedBundle.UnLoad();
}
m_LoadedAssetBundles.Add(operation.assetBundleName, loadedAssetBundle);
m_DownloadErrors.Remove(operation.assetBundleName);
//设置dependenciesCount
SetFinishOperationDependencies(loadedAssetBundle);
}
else
{
string err = string.Format("'{0}' 下载失败：{1}", operation.assetBundleName, operation.error);
//将错误信息记录下来
CommonUtils.AddToDictionary(m_DownloadErrors, operation.assetBundleName, err);
Debug.LogError(err);
}
//移除正在下载的状态
m_DownloadingBundles.Remove(operation.assetBundleName);
}
//更新下载状况
private void UpdateDownloadings()
{
if (m_DownloadingOperations != null)
{
for (int i = m_DownloadingOperations.Count - 1; i >= 0; i--)
{
AssetBundleDownLoadOperation operation = m_DownloadingOperations[i];
if (!operation.Update())
{
//从队列中移除
m_DownloadingOperations.RemoveAt(i);
//增加完成的progress
m_FinishedProgress++;
DownloadFinishOperation(operation);
}
}
}
}