TriangleSubsetData.inl

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/******************************************************************************
*       SOFA, Simulation Open-Framework Architecture, version 1.0 beta 3      *
*                (c) 2006-2008 MGH, INRIA, USTL, UJF, CNRS                    *
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* This library is free software; you can redistribute it and/or modify it     *
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*******************************************************************************
*                               SOFA :: Modules                               *
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* Authors: The SOFA Team and external contributors (see Authors.txt)          *
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#ifndef SOFA_COMPONENT_TOPOLOGY_EDGESUBSETDATA_INL
#define SOFA_COMPONENT_TOPOLOGY_EDGESUBSETDATA_INL

#include <sofa/component/topology/TriangleSubsetData.h>
#include <sofa/component/topology/TriangleSetTopologyChange.h>
#include <sofa/component/topology/TetrahedronSetTopologyChange.h>

namespace sofa
{

namespace component
{

namespace topology
{


    template <typename T>
    void TriangleSubsetData<T>::handleTopologyEvents( std::list< const core::componentmodel::topology::TopologyChange *>::const_iterator changeIt, 
                                                    std::list< const core::componentmodel::topology::TopologyChange *>::const_iterator &end,
                                                    const unsigned int totalTriangleSetArraySize) 
    {
        setTotalTriangleSetArraySize(totalTriangleSetArraySize);

        while( changeIt != end )
        {
            core::componentmodel::topology::TopologyChangeType changeType = (*changeIt)->getChangeType();

            switch( changeType ) 
            {
             case core::componentmodel::topology::TETRAHEDRAADDED:
             {
                 if (m_createTetrahedronFunc) {
                     const TetrahedraAdded *ea=static_cast< const TetrahedraAdded* >( *changeIt );
                     (*m_createTetrahedronFunc)(ea->tetrahedronIndexArray,m_createParam,*this);
                 }
                 break;
             }
             case core::componentmodel::topology::TETRAHEDRAREMOVED:
             {
                 if (m_destroyTetrahedronFunc) {
                     const TetrahedraRemoved *er=static_cast< const TetrahedraRemoved * >( *changeIt );
                     (*m_destroyTetrahedronFunc)(er->getArray(),m_createParam,*this);
                 }
                 break;
             }      
             case core::componentmodel::topology::TRIANGLESADDED:
             {
                 const TrianglesAdded *ea=static_cast< const TrianglesAdded * >( *changeIt );
                 add( ea->getNbAddedTriangles(), ea->triangleArray, ea->ancestorsList, ea->coefs );
                 break;
             }
             case core::componentmodel::topology::TRIANGLESREMOVED:
             {
                 const std::vector<unsigned int> &tab = ( static_cast< const TrianglesRemoved *>( *changeIt ) )->getArray();
                 remove( tab );
                 break;
             }
             default:
                 // Ignore events that are not Triangle or Point related.
                 break;
            }; // switch( changeType )

            ++changeIt;
        } 
    }

    template <typename T>
    void TriangleSubsetData<T>::add( unsigned int nbTriangles, 
                                    const helper::vector< Triangle >& triangle, 
                                    const helper::vector< helper::vector< unsigned int > >& ancestors,
                                    const helper::vector< helper::vector< double > >& coefs ) 
    {
        // Using default values
        unsigned int s = this->size();

        for (unsigned int i = 0; i < nbTriangles; ++i)
        {
            T t;
            if (ancestors.empty() || coefs.empty())
            {
                const sofa::helper::vector< unsigned int > empty_vecint;
                const sofa::helper::vector< double > empty_vecdouble;
                m_createFunc( s + i, m_createParam, t, triangle[i], empty_vecint, empty_vecdouble);
            }
            else
                m_createFunc( s + i, m_createParam, t, triangle[i], ancestors[i], coefs[i] );

            // test that there are no item with the key = s+i
            assert(this->find(s+i)==this->end());
            insert(std::pair<unsigned int,T>(s+i,t));
        }
        lastTriangleIndex+=nbTriangles;
    }

    template <typename T>
    void TriangleSubsetData<T>::remove( const helper::vector<unsigned int> &index ) 
    {
        typename std::map<unsigned int,T>::iterator it,itend;

        for (unsigned int i = 0; i < index.size(); ++i)
        {
            it=this->find(index[i]);
            if (it!=this->end()) 
            {
                m_destroyFunc( index[i], m_destroyParam, (*this)[index[i]] );
                itend=this->find(lastTriangleIndex);

                if (itend!=this->end()) 
                {
                    T tmp=(*itend).second;
                    erase(itend);
                    insert(std::pair<unsigned int,T>(index[i],tmp));
                }
                erase(it);
            }
            --lastTriangleIndex;
        }
        //std::cout << "TriangleSubsetData: vector has now "<<this->size()<<" entries."<<std::endl;
    }

} // namespace topology

} // namespace component

} // namespace sofa

#endif // _TriangleDATA_INL_