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BSP_CSGHelper.h

/**
 * $Id: BSP_CSGHelper.h,v 1.6 2005/10/28 20:18:56 intrr Exp $
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

#ifndef BSP_CSGHELPER_H
#define BSP_CSGHELPER_H

class BSP_CSGMesh;
class BSP_MeshFragment;

#include "../extern/CSG_BooleanOps.h"
#include "BSP_MeshPrimitives.h"

enum BSP_OperationType{
      e_intern_csg_union,
      e_intern_csg_intersection,
      e_intern_csg_difference
};

class BSP_CSGHelper {
public :

      BSP_CSGHelper(
      );

            bool
      ComputeOp(
            BSP_CSGMesh * obA,
            BSP_CSGMesh * obB,
            BSP_OperationType op_type, 
            BSP_CSGMesh & output,
            CSG_InterpolateUserFaceVertexDataFunc fv_func
      );

      
      ~BSP_CSGHelper(
      );

private:

      // Iterate through the fragment,
      // add new vertices to output,
      // map polygons to new vertices.

            void
      DuplicateMesh(
            const BSP_MeshFragment & frag,
            BSP_CSGMesh & output
      );

            void
      TranslateSplitFragments(
            const BSP_MeshFragment & in_frag,
            const BSP_MeshFragment & out_frag,
            const BSP_MeshFragment & on_frag,
            BSP_Classification keep,
            BSP_MeshFragment & spanning_frag,
            BSP_MeshFragment & output
      );

            void
      MergeFrags(
            const BSP_MeshFragment & in,
            BSP_MeshFragment & out
      );

      

};

#endif


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