/// <summary>
/// 得到被映射后的文件名称,文件不存在返回空
/// </summary>
/// <param name="fileName"></param>
/// <param name="pos"></param>
/// <returns></returns>
public string GetMappedFilePath(string fileName, out eFileMapperLoaderPosType pos)
{
pos = eFileMapperLoaderPosType.None;
var info = GetFileInfo(fileName);
if (info != null)
{
UnityFileLoaderHelper.eFileLoaderPosType filePos;
var has = UnityFileLoaderHelper.IsFileExist(Dir, info.GetMappedFileName(), out filePos);
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.PersistAsset)
{
pos = eFileMapperLoaderPosType.MapperAsset_PersistAsset;
return(UnityPersistFileHelper.GetPersistAssetFilePath(Dir, info.GetMappedFileName()));
}
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.StreamAsset)
{
pos = eFileMapperLoaderPosType.MapperAsset_StreamAsset;
return(UnityStreamingFileHelper.GetStreamAssetFilePath(Dir, info.GetMappedFileName()));
}
return(string.Empty);
}
else
{
UnityFileLoaderHelper.eFileLoaderPosType filePos;
var has = UnityFileLoaderHelper.IsFileExist(Dir, fileName, out filePos);
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.PersistAsset)
{
pos = eFileMapperLoaderPosType.PersistAsset;
return(UnityPersistFileHelper.GetPersistAssetFilePath(Dir, fileName));
}
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.StreamAsset)
{
pos = eFileMapperLoaderPosType.StreamAsset;
return(UnityStreamingFileHelper.GetStreamAssetFilePath(Dir, fileName));
}
return(string.Empty);
}
}
/// <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);
}
}
/// <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文件
/// 文件读取顺序，Mapper Persist,Mapper Stream,源文件Persist,源文件Stream
/// </summary>
public byte[] GetFileBytes(string fileName, out eFileMapperLoaderPosType pos)
{
pos = eFileMapperLoaderPosType.None;
var info = GetFileInfo(fileName);
if (info != null)
{
UnityFileLoaderHelper.eFileLoaderPosType filePos;
var bs = UnityFileLoaderHelper.ReadFileAllBytes(Dir, info.GetMappedFileName(), info.Offset, info.Len,
out filePos);
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.PersistAsset)
{
pos = eFileMapperLoaderPosType.MapperAsset_PersistAsset;
}
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.StreamAsset)
{
pos = eFileMapperLoaderPosType.MapperAsset_StreamAsset;
}
return(bs);
}
else
{
UnityFileLoaderHelper.eFileLoaderPosType filePos;
var bs = UnityFileLoaderHelper.ReadFileAllBytes(Dir, fileName, out filePos);
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.PersistAsset)
{
pos = eFileMapperLoaderPosType.PersistAsset;
}
if (filePos == UnityFileLoaderHelper.eFileLoaderPosType.StreamAsset)
{
pos = eFileMapperLoaderPosType.StreamAsset;
}
return(bs);
}
}
