/// <summary>
/// 根据文件夹和文件名称，自动判断Mapper或者在Stream任意位置，总之读取到你想要的Bundle
/// </summary>
public AssetBundleCreateRequest LoadBundleFromFileAsync(string fileName, out eFileMapperLoaderPosType pos,
uint crc = 0U)
{
pos = eFileMapperLoaderPosType.None;
var info = GetFileInfo(fileName);
if (info != null)
{
UnityFileLoaderHelper.eFileLoaderPosType filePos;
var asb = UnityFileLoaderHelper.ReadAssetBundleAsync(Dir, info.GetMappedFileName(), (ulong)info.Offset,
out filePos, crc);
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.PersistAsset)
{
pos = eFileMapperLoaderPosType.MapperAsset_PersistAsset;
}
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.StreamAsset)
{
pos = eFileMapperLoaderPosType.MapperAsset_StreamAsset;
}
return(asb);
}
else
{
UnityFileLoaderHelper.eFileLoaderPosType filePos;
var asb = UnityFileLoaderHelper.ReadAssetBundleAsync(Dir, fileName, 0, out filePos, crc);
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.PersistAsset)
{
pos = eFileMapperLoaderPosType.PersistAsset;
}
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.StreamAsset)
{
pos = eFileMapperLoaderPosType.StreamAsset;
}
return(asb);
}
}
