public override void Read(BinaryReader stream)
{
var chunkStart = 0;
while (stream.BaseStream.Position != stream.BaseStream.Length)
{
stream.BaseStream.Seek(chunkStart, SeekOrigin.Begin);
//afid sfid bfid
var chunkMagic = string.Concat(stream.ReadBytes(4).Select(_ => (char)_));
var chunkSize = stream.ReadInt32();
chunkStart += chunkSize + 8;
using (var reader = new BinaryReader(new MemoryStream(stream.ReadBytes(chunkSize))))
{
var chunk = M2Chunk.CreateFromMagic(chunkMagic, chunkSize);
chunk.Read(reader);
Chunks.Add(chunk);
}
}
}
private static void ReadM2(string path, uint fileDataId)
{
using (FileStream ms = File.OpenRead(path))
using (BinaryReader br = new BinaryReader(ms))
{
while (ms.Position < ms.Length)
{
M2Chunk ChunkId = (M2Chunk)br.ReadUInt32();
uint ChunkSize = br.ReadUInt32();
switch (ChunkId)
{
case M2Chunk.MD21:
M2Reader.ReadMD20(br, fileDataId);
br.BaseStream.Position = 0;
br.ReadBytes((int)ChunkSize + 8);
break;
case M2Chunk.LDV1:
M2Reader.ReadLDV1(br);
break;
case M2Chunk.SFID:
M2Reader.ReadSFID(br, fileDataId);
break;
case M2Chunk.TXID:
M2Reader.ReadTXID(br, ChunkSize, fileDataId);
break;
default:
SkipUnknownChunk(ms, ChunkSize);
break;
}
}
}
}
public bool Read(string filename, out M2Model model)
{
if (!uint.TryParse(Path.GetFileNameWithoutExtension(filename).Split('_').Last(), out uint fileDataId))
{
model = null;
return(false);
}
model = new M2Model(fileDataId);
using (var fs = File.OpenRead(filename))
using (var br = new BinaryReader(fs))
{
if ((M2Chunk)br.ReadUInt32() != M2Chunk.MD21)
{
return(false);
}
br.BaseStream.Position = 0;
while (fs.Position < fs.Length)
{
M2Chunk chunkId = (M2Chunk)br.ReadUInt32();
int chunkSize = br.ReadInt32();
switch (chunkId)
{
case M2Chunk.MD21:
ReadMD20(br, model);
br.BaseStream.Position = 8 + chunkSize;
break;
case M2Chunk.LDV1:
ReadLDV1(br, model);
break;
case M2Chunk.SFID:
ReadSFID(br, model);
break;
case M2Chunk.TXID:
ReadTXID(br, model, chunkSize);
break;
case M2Chunk.AFID:
ReadAFID(br, model, chunkSize);
break;
case M2Chunk.PFID:
model.PhysFileId = br.ReadUInt32();
break;
case M2Chunk.SKID:
model.SkelFileId = br.ReadUInt32();
break;
case M2Chunk.BFID:
ReadBFID(br, model, chunkSize);
break;
default:
br.BaseStream.Position += chunkSize;
break;
}
}
}
return(true);
}
