// 下载完成后的回调
void OnSingleABDownloadFinished(bool succeed, ToDownloadBundle b)
{
int i = m_downloadingSingleBundles.FindIndex(t => t == b);
if (i >= 0)
{
m_downloadingSingleBundles.RemoveAt(i);
}
if (succeed)
{
// 将资源的状态改为已下载（NoChange）
b.BundleObj.State = BundleState.NoChange;
m_bundleDownloaded.Add(b.BundleObj);
string error;
if (m_bundle2Download.Count > CountToWriteAllList)
{
WriteAllListFile(out error); // 保存所有的 list 文件，此时会删除已下载资源缓存文件，和清空已下载资源列表
}
else
{
WriteListFile4DownloadedB(out error); // 写入缓存文件
}
}
}
// 是否正在下载中，或是否需要下载
public bool SingleABNeedDownload(string path)
{
// 下载中
ToDownloadBundle obj = m_toDownloadSingleBundles.Find(t => t.Path == path);
if (obj != null)
{
return(true);
}
// 属于加载时再下载的资源
BundleItem bundleObj = GetBundleObj(path);
return(bundleObj != null && bundleObj.State == BundleState.DownloadWhenUse);
}
// 当加载失败后下载
public void DownloadSingleAB(string path, Action <bool, string> callback)
{
Debug.Log(string.Format("Start download: {0}", path));
ToDownloadBundle b = m_toDownloadSingleBundles.Find(t => t.Path == path);
if (b != null)
{
b.AddFinishHandler(callback);
}
else
{
b = new ToDownloadBundle(path, callback);
m_toDownloadSingleBundles.Add(b);
}
}
