public BA2StateObject(BA2Reader ba2Reader)
{
Version = ba2Reader._version;
HeaderMagic = ba2Reader._headerMagic;
Type = ba2Reader._type;
HasNameTable = ba2Reader.HasNameTable;
}
public static async ValueTask <IBSAReader> OpenRead(AbsolutePath filename)
{
return(await BSASignatures.MatchesAsync(filename) switch
{
Definitions.FileType.TES3 => await TES3Reader.Load(new NativeFileStreamFactory(filename)),
Definitions.FileType.BSA => await BSAReader.LoadAsync(new NativeFileStreamFactory(filename)),
Definitions.FileType.BA2 => await BA2Reader.Load(new NativeFileStreamFactory(filename)),
_ => throw new InvalidDataException("Filename is not a .bsa or .ba2")
});
public static async Task <BA2Reader> Load(IStreamFactory streamFactory)
{
var rdr = new BA2Reader(await streamFactory.GetStream())
{
_streamFactory = streamFactory
};
await rdr.LoadHeaders();
return(rdr);
}
public static async Task <BA2Reader> Load(AbsolutePath filename)
{
var rdr = new BA2Reader(await filename.OpenShared())
{
_filename = filename
};
await rdr.LoadHeaders();
return(rdr);
}
public BA2FileEntry(BA2Reader ba2Reader, int index)
{
_index = index;
_bsa = ba2Reader;
var _rdr = ba2Reader._rdr;
_nameHash = _rdr.ReadUInt32();
FullPath = _nameHash.ToString("X");
_extension = Encoding.UTF7.GetString(_rdr.ReadBytes(4));
_dirHash = _rdr.ReadUInt32();
_flags = _rdr.ReadUInt32();
_offset = _rdr.ReadUInt64();
_size = _rdr.ReadUInt32();
_realSize = _rdr.ReadUInt32();
_align = _rdr.ReadUInt32();
}
public static async ValueTask <IBSAReader> OpenRead(AbsolutePath filename)
{
var fourcc = "";
using (var file = await filename.OpenRead())
{
fourcc = Encoding.ASCII.GetString(new BinaryReader(file).ReadBytes(4));
}
if (fourcc == TES3Reader.TES3_MAGIC)
{
return(await TES3Reader.Load(filename));
}
if (fourcc == "BSA\0")
{
return(await BSAReader.Load(filename));
}
if (fourcc == "BTDX")
{
return(await BA2Reader.Load(filename));
}
throw new InvalidDataException("Filename is not a .bsa or .ba2, magic " + fourcc);
}
public BA2DX10Entry(BA2Reader ba2Reader, int idx)
{
_bsa = ba2Reader;
var _rdr = ba2Reader._rdr;
_nameHash = _rdr.ReadUInt32();
FullPath = _nameHash.ToString("X");
_extension = Encoding.UTF7.GetString(_rdr.ReadBytes(4));
_dirHash = _rdr.ReadUInt32();
_unk8 = _rdr.ReadByte();
_numChunks = _rdr.ReadByte();
_chunkHdrLen = _rdr.ReadUInt16();
_height = _rdr.ReadUInt16();
_width = _rdr.ReadUInt16();
_numMips = _rdr.ReadByte();
_format = _rdr.ReadByte();
_unk16 = _rdr.ReadUInt16();
_index = idx;
_chunks = Enumerable.Range(0, _numChunks)
.Select(_ => new BA2TextureChunk(_rdr))
.ToList();
}
