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/******************************************************************************
*       SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4      *
*                (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS                    *
*                                                                             *
* This library is free software; you can redistribute it and/or modify it     *
* under the terms of the GNU Lesser General Public License as published by    *
* the Free Software Foundation; either version 2.1 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 Lesser General Public License *
* for more details.                                                           *
*                                                                             *
* You should have received a copy of the GNU Lesser General Public License    *
* along with this library; if not, write to the Free Software Foundation,     *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.          *
*******************************************************************************
*                               SOFA :: Modules                               *
*                                                                             *
* Authors: The SOFA Team and external contributors (see Authors.txt)          *
*                                                                             *
* Contact information: contact@sofa-framework.org                             *
******************************************************************************/
#ifndef SOFA_COMPONENT_TOPOLOGY_MANIFOLDTETRAHEDRONSETTOPOLOGYCONTAINER_H     
#define SOFA_COMPONENT_TOPOLOGY_MANIFOLDTETRAHEDRONSETTOPOLOGYCONTAINER_H

#include <sofa/component/topology/TetrahedronSetTopologyContainer.h>

namespace sofa
{

  namespace component
  {

    namespace topology
    {
      class TetrahedronSetTopologyModifier; //has to be change to Manifold one

      using core::componentmodel::topology::BaseMeshTopology;

      typedef BaseMeshTopology::PointID		PointID;
      typedef BaseMeshTopology::EdgeID		EdgeID;
      typedef BaseMeshTopology::TriangleID	TriangleID;
      typedef BaseMeshTopology::TetraID		TetraID;
      typedef BaseMeshTopology::Edge		Edge;
      typedef BaseMeshTopology::Triangle	Triangle;
      typedef BaseMeshTopology::Tetra		Tetra;
      typedef BaseMeshTopology::SeqTetras	SeqTetras;
      typedef BaseMeshTopology::VertexTetras	VertexTetras;
      typedef BaseMeshTopology::EdgeTetras	EdgeTetras;
      typedef BaseMeshTopology::TriangleTetras	TriangleTetras;
      typedef BaseMeshTopology::TetraEdges	TetraEdges;
      typedef BaseMeshTopology::TetraTriangles	TetraTriangles;

      typedef Tetra		Tetrahedron;
      typedef TetraEdges	TetrahedronEdges;
      typedef TetraTriangles	TetrahedronTriangles;

      
      /** a class that stores a set of tetrahedra and provides access with adjacent triangles, edges and vertices */
      class SOFA_COMPONENT_CONTAINER_API ManifoldTetrahedronSetTopologyContainer : public TetrahedronSetTopologyContainer 
      {
	friend class TetrahedronSetTopologyModifier; // To be change to manifold one
        
      public:
	typedef Tetra		Tetrahedron;
	typedef TetraEdges	TetrahedronEdges;
	typedef TetraTriangles	TetrahedronTriangles;

	ManifoldTetrahedronSetTopologyContainer();

	ManifoldTetrahedronSetTopologyContainer(const sofa::helper::vector< Tetrahedron >& tetrahedra );

	virtual ~ManifoldTetrahedronSetTopologyContainer(){}
	
	/// Procedural creation methods
	/// @{
	virtual void clear();
	/// @}

	virtual void init();

	virtual void reinit();
		
	/// BaseMeshTopology API
	/// @{

	/// @}

	/** \brief Checks if the topology is coherent
	 *
	 * Check if the shell arrays are coherent
	 */
	virtual bool checkTopology() const;
	/** \brief Returns the Tetrahedron array.
	 *
	 */

	virtual void draw();
	

      protected:

	Data<bool> debugViewIndices;
	Data<bool> debugViewIndicesTetra;
	Data<bool> shellDisplay;
	
	/** \brief Creates the Tetrahedron Vertex Shell Array
	 *
	 * This function is only called if the TetrahedronVertexShell array is required.
	 * m_tetrahedronVertexShell[i] contains the indices of all tetrahedra adjacent to the ith vertex 
	 */
	virtual void createTetrahedronVertexShellArray();

	/** \brief Creates the Tetrahedron Edge Shell Array
	 *
	 * This function is only called if the TetrahedronEdheShell array is required.
	 * m_tetrahedronEdgeShell[i] contains the indices of all tetrahedra adjacent to the ith edge 
	 */
	virtual void createTetrahedronEdgeShellArray();

	/** \brief Creates the Tetrahedron Triangle Shell Array
	 *
	 * This function is only called if the TetrahedronTriangleShell array is required.
	 * m_tetrahedronTriangleShell[i] contains the indices of all tetrahedra adjacent to the ith edge 
	 */
	virtual void createTetrahedronTriangleShellArray();

	/** \brief return if the tetrahedron is ine the same orientation as the one of reference
	 * 1 if tetrahedrons have same orientation
	 * 0 if tetrahedrons don't have same orientation
	 * -1 if tetrahedrons don't share the same 4 vertices
	 */
	int getTetrahedronOrientation(const Tetrahedron &t, const Tetrahedron &t_test );

	/** \brief return the orientation of a triangle relatively to one tetrahedron
	 * 1 if good orientation
	 * 0 if other orientation
	 * -1 if triangle does'nt belongs to this tetrahedron
	 */
	int getTriangleTetrahedronOrientation(const Tetrahedron &t, const Triangle &tri );
	
      private:

	


      protected:
      };

    } // namespace topology

  } // namespace component

} // namespace sofa

#endif