/// <summary>
/// 完成指定AB包调用
/// </summary>
void CompleteLoadAB(string abName)
{
if (_currentABName == abName)
{
LoadAllABPackageCompleteCallback?.Invoke(abName);
}
}
/// <summary>
/// 加载AB包
/// </summary>
/// <returns></returns>
public IEnumerator LoadAB()
{
//https://developer.51cto.com/art/200908/147158.htm
//using：用于处理 非托管资源，不受GC的控制的资源，在using结束后会隐性调用Dispose方法，因此需要实现Dispose方法
//UnityWebRequest :https://docs.unity3d.com/ScriptReference/Networking.UnityWebRequest.html
//Unity已经将 'WWW' 给弃用，现在应该逐步过渡到使用UnityWebRequest
using (UnityWebRequest req = UnityWebRequestAssetBundle.GetAssetBundle(_abDownLoadPath))
{
yield return(req.SendWebRequest());
if (req.downloadProgress >= 1)
{
//返回在www上下载的资源包，如果有，否则null
AssetBundle ab = DownloadHandlerAssetBundle.GetContent(req);
if (ab != null)
{
_abAssets = new AssetsLoader(ab);
_loadComplete?.Invoke(_abName);
}
}
else
{
Debug.LogError($"SingleAssetLoader/LoadAB Error : the {_abDownLoadPath} is null !");
}
}
}
