public List<List<Face>> ClusterFaces(BrushMap map)
{
List<List<Face>> ret = new List<List<Face>>();
List<Face> AllFaces = new List<Face>();
foreach (Entity e in map.Entities)
{
foreach (Brush b in e.Brushes)
AllFaces.AddRange(b.Faces);
}
IEnumerable<List<Face>> SortedFaces = AllFaces.GroupBy(p => p.TexName).Select(g => g.ToList());
return ret;
}
public abstract void WriteMap(BrushMap map);
public abstract void WriteMap(string outputFile, BrushMap map);
