private void ParseHeader(Stream stream)
{
header = new vertexFileHeader_t();
stream.Position = fileOffsetPosition;
header.id = DataParser.ReadInt(stream);
header.version = DataParser.ReadInt(stream); // MODEL_VERTEX_FILE_VERSION
header.checksum = DataParser.ReadLong(stream); // same as studiohdr_t, ensures sync
header.numLODs = DataParser.ReadInt(stream); // num of valid lods
header.numLODVertices = new int[MAX_NUM_LODS]; // num verts for desired root lod (size is MAX_NUM_LODS = 8)
for (int i = 0; i < header.numLODVertices.Length; i++)
{
header.numLODVertices[i] = DataParser.ReadInt(stream);
}
header.numFixups = DataParser.ReadInt(stream); // num of vertexFileFixup_t
header.fixupTableStart = DataParser.ReadInt(stream); // offset from base to fixup table
header.vertexDataStart = DataParser.ReadInt(stream); // offset from base to vertex block
header.tangentDataStart = DataParser.ReadInt(stream); // offset from base to tangent block
}