private void ReadBrushSides( InternalBspLump lump, BinaryReader reader )
{
reader.BaseStream.Seek( lump.offset, SeekOrigin.Begin );
brushSides = new InternalBspBrushSide[ lump.size / Marshal.SizeOf( typeof( InternalBspBrushSide ) ) ];
for ( int i = 0; i < brushSides.Length; i++ )
{
brushSides[ i ] = new InternalBspBrushSide();
brushSides[ i ].planeNum = reader.ReadInt32();
brushSides[ i ].content = reader.ReadInt32();
}
}