private void ReadCompressedData(BinaryReader br, DataOffsetStruct dos)
{
var inData = new byte[dos.LengthCompressed];
if (br.Read(inData, 0, inData.Length) != inData.Length)
{
throw new Exception($"Failed to read compressed data for texture: 0x{dos.Hash:X8}");
}
var outData = Compression.Decompress(inData).ToArray();
using (var dcr = new BinaryReader(new MemoryStream(outData)))
{
// Seek to TextureInfo
dcr.BaseStream.Seek(-156, SeekOrigin.End);
var texture = ReadTexture(dcr);
// Seek to D3DFormat
dcr.BaseStream.Seek(-12, SeekOrigin.End);
texture.Format = dcr.ReadUInt32();
// Seek to data
dcr.BaseStream.Seek(0, SeekOrigin.Begin);
if (dcr.BaseStream.Read(texture.Data, 0, texture.Data.Length) !=
texture.Data.Length)
{
throw new Exception(
$"Failed to read data for texture 0x{texture.TexHash:X8} ({texture.Name})");
}
}
}
public override void Read(BinaryReader br)
{
int length = (int)(_header.Length / 0x18);
for (int i = 0; i < length; i++)
{
DataOffsetStruct dos = new DataOffsetStruct();
dos.Hash = br.ReadUInt32();
dos.Offset = br.ReadUInt32();
dos.Length = br.ReadUInt32();
dos.RealLength = br.ReadUInt32();
dos.Flags = br.ReadInt32();
dos.Padding = br.ReadInt32();
_data[dos.Hash] = dos;
}
}
protected override void WriteData(BinaryWriter bw)
{
ArrayList list = new ArrayList(_data.Count);
foreach (DictionaryEntry de in _data)
{
list.Add((de.Value as DataOffsetStruct).Hash);
}
list.Sort();
foreach (uint hash in list)
{
DataOffsetStruct dos = _data[hash] as DataOffsetStruct;
bw.Write(dos.Hash);
bw.Write(dos.Offset);
bw.Write(dos.Length);
bw.Write(dos.RealLength);
bw.Write(dos.Flags);
bw.Write(dos.Padding);
}
}
