TriangleSetTopologyChange.h

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/******************************************************************************
*       SOFA, Simulation Open-Framework Architecture, version 1.0 beta 3      *
*                (c) 2006-2008 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.                                             *
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details.                                                           *
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* You should have received a copy of the GNU Lesser General Public License    *
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*******************************************************************************
*                               SOFA :: Modules                               *
*                                                                             *
* Authors: The SOFA Team and external contributors (see Authors.txt)          *
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* Contact information: contact@sofa-framework.org                             *
******************************************************************************/
#ifndef SOFA_COMPONENT_TOPOLOGY_TRIANGLESETTOPOLOGYCHANGE_H
#define SOFA_COMPONENT_TOPOLOGY_TRIANGLESETTOPOLOGYCHANGE_H

#include <sofa/core/componentmodel/topology/Topology.h>     // TopologyChange
#include <sofa/helper/vector.h>

namespace sofa
{
namespace component
{
namespace topology
{
    using core::componentmodel::topology::BaseMeshTopology;
    typedef BaseMeshTopology::Triangle Triangle;

    class TrianglesAdded : public core::componentmodel::topology::TopologyChange  
    {
    public:
        TrianglesAdded(const unsigned int nT) 
        : core::componentmodel::topology::TopologyChange(core::componentmodel::topology::TRIANGLESADDED), 
        nTriangles(nT)
        { }

        TrianglesAdded(const unsigned int nT, 
                        const sofa::helper::vector< Triangle >& _triangleArray,
                        const sofa::helper::vector< unsigned int >& trianglesIndex) 
        : core::componentmodel::topology::TopologyChange(core::componentmodel::topology::TRIANGLESADDED), 
        nTriangles(nT), 
        triangleArray(_triangleArray), 
        triangleIndexArray(trianglesIndex)
        { }

        TrianglesAdded(const unsigned int nT, 
                        const sofa::helper::vector< Triangle >& _triangleArray,
                        const sofa::helper::vector< unsigned int >& trianglesIndex,
                        const sofa::helper::vector< sofa::helper::vector< unsigned int > >& ancestors,
                        const sofa::helper::vector< sofa::helper::vector< double > >& baryCoefs) 
        : core::componentmodel::topology::TopologyChange(core::componentmodel::topology::TRIANGLESADDED), 
        nTriangles(nT), 
        triangleArray(_triangleArray), 
        triangleIndexArray(trianglesIndex),
        ancestorsList(ancestors), 
        coefs(baryCoefs) 
        { }

        unsigned int getNbAddedTriangles() const 
        {
            return nTriangles;
        }

        const sofa::helper::vector<unsigned int> &getArray() const 
        {
            return triangleIndexArray;
        }   

        const Triangle &getTriangle(const unsigned int i)
        {
            return triangleArray[i];
        }

    public:
        unsigned int nTriangles;
        sofa::helper::vector< Triangle > triangleArray;
        sofa::helper::vector< unsigned int > triangleIndexArray;
        sofa::helper::vector< sofa::helper::vector< unsigned int > > ancestorsList;
        sofa::helper::vector< sofa::helper::vector< double > > coefs;               
    };

    class TrianglesRemoved : public core::componentmodel::topology::TopologyChange  
    {
    public:
        TrianglesRemoved(const sofa::helper::vector<unsigned int> _tArray) 
        : core::componentmodel::topology::TopologyChange(core::componentmodel::topology::TRIANGLESREMOVED), 
        removedTrianglesArray(_tArray) 
        {}

        unsigned int getNbRemovedTriangles() const 
        {
            return removedTrianglesArray.size();
        }

        const sofa::helper::vector<unsigned int> &getArray() const 
        {
            return removedTrianglesArray;
        }

        unsigned int &getTriangleIndices(const unsigned int i)
        {
            return removedTrianglesArray[i];
        }
    
    protected:
        sofa::helper::vector<unsigned int> removedTrianglesArray;
    };

} // namespace topology

} // namespace component

} // namespace sofa

#endif