/*
  Copyright (C) 2005 by Marten Svanfeldt

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public
  License along with this library; if not, write to the Free
  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef __LIGHTMAPUV_H__
#define __LIGHTMAPUV_H__

#include "radprimitive.h"
#include "lightmap.h"

namespace lighter
{

  struct RadObjectVertexData;
  
  class LightmapUVLayouter 
  {
  public:
    virtual bool LayoutUVOnPrimitives (RadPrimitiveArray &prims, 
      RadObjectVertexData& vertexData,
      LightmapPtrDelArray& lightmaps) = 0;
  };

  class SimpleUVLayouter : public LightmapUVLayouter
  {
  public:
    virtual bool LayoutUVOnPrimitives (RadPrimitiveArray &prims, 
      RadObjectVertexData& vertexData,
      LightmapPtrDelArray& lightmaps);

  protected:
    bool AllocLightmap (LightmapPtrDelArray& lightmaps, int u, int v,
      csRect &lightmapArea,  int &lightmapID);

    bool ProjectPrimitive (RadPrimitive &prim, BoolDArray &usedVerts,
      float uscale, float vscale);
  };

}

#endif

