PointData.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_POINTDATA_INL
#define SOFA_COMPONENT_TOPOLOGY_POINTDATA_INL

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

#include <sofa/component/topology/PointSetTopologyChange.h>
#include <sofa/component/topology/EdgeSetTopologyChange.h>
#include <sofa/component/topology/TriangleSetTopologyChange.h>
#include <sofa/component/topology/QuadSetTopologyChange.h>
#include <sofa/component/topology/TetrahedronSetTopologyChange.h>
#include <sofa/component/topology/HexahedronSetTopologyChange.h>

namespace sofa
{

namespace component
{

namespace topology
{


    template <typename T, typename Alloc>
    void PointData<T,Alloc>::handleTopologyEvents( std::list<  const core::componentmodel::topology::TopologyChange *>::const_iterator changeIt, 
                                                std::list< const core::componentmodel::topology::TopologyChange *>::const_iterator &end ) 
    {
        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:
             {
                 if (m_createTriangleFunc) 
                 {
                     const TrianglesAdded *ea=static_cast< const TrianglesAdded* >( *changeIt );
                     (*m_createTriangleFunc)(ea->triangleIndexArray,m_createParam,*this);
                 }
                 break;
             }
             case core::componentmodel::topology::TRIANGLESREMOVED:
             {
                 if (m_destroyTriangleFunc) 
                 {
                     const TrianglesRemoved *er=static_cast< const TrianglesRemoved * >( *changeIt );
                     (*m_destroyTriangleFunc)(er->getArray(),m_createParam,*this);
                 }
                 break;
             }                       
             case core::componentmodel::topology::EDGESADDED:
             {
                 if (m_createEdgeFunc) 
                 {
                     const EdgesAdded *ea=static_cast< const EdgesAdded* >( *changeIt );
                     (*m_createEdgeFunc)(ea->edgeIndexArray,m_createParam,*this);
                 }
                 break;
             }
             case core::componentmodel::topology::EDGESREMOVED:
             {
                 if (m_destroyEdgeFunc) 
                 {
                     const EdgesRemoved *er=static_cast< const EdgesRemoved * >( *changeIt );
                     (*m_destroyEdgeFunc)(er->getArray(),m_createParam,*this);
                 }
                 break;
             }
             case core::componentmodel::topology::POINTSINDICESSWAP:
             {
                 unsigned int i1 = ( static_cast< const PointsIndicesSwap * >( *changeIt ) )->index[0];
                 unsigned int i2 = ( static_cast< const PointsIndicesSwap* >( *changeIt ) )->index[1];
                 swap( i1, i2 );
                 break;
             }
             case core::componentmodel::topology::POINTSADDED:
             {
                 unsigned int nbPoints = ( static_cast< const PointsAdded * >( *changeIt ) )->getNbAddedVertices();
                 sofa::helper::vector< sofa::helper::vector< unsigned int > > ancestors = ( static_cast< const PointsAdded * >( *changeIt ) )->ancestorsList;
                 sofa::helper::vector< sofa::helper::vector< double       > > coefs     = ( static_cast< const PointsAdded * >( *changeIt ) )->coefs;
                 add( nbPoints, ancestors, coefs );
                 break;
             }
             case core::componentmodel::topology::POINTSREMOVED:
             {
                 const sofa::helper::vector<unsigned int> tab = ( static_cast< const PointsRemoved * >( *changeIt ) )->getArray();
                 remove( tab );
                 break;
             }
             case core::componentmodel::topology::POINTSRENUMBERING:
             {
                 const sofa::helper::vector<unsigned int> &tab = ( static_cast< const PointsRenumbering * >( *changeIt ) )->getinv_IndexArray();
                 renumber( tab );
                 break;
             }
             default:
                 // Ignore events that are not point related.
                 break;
            }; // switch( changeType )

            ++changeIt;
        }
    }

    template <typename T, typename Alloc>
    void PointData<T,Alloc>::swap( unsigned int i1, unsigned int i2 ) 
    {
        T tmp = (*this)[i1];
        (*this)[i1] = (*this)[i2];
        (*this)[i2] = tmp;
    }

    template <typename T, typename Alloc>
    void PointData<T,Alloc>::add( unsigned int nbPoints, 
                                const sofa::helper::vector< sofa::helper::vector< unsigned int > >& ancestors, 
                                const sofa::helper::vector< sofa::helper::vector< double > >& coefs) 
    {
        // Using default values
        unsigned int i0 = this->size();
        this->resize(i0+nbPoints);

        for (unsigned int i = 0; i < nbPoints; ++i)
        {
            T& t = (*this)[i0+i];
            if (ancestors.empty() || coefs.empty())
            {
                const sofa::helper::vector< unsigned int > empty_vecint;
                const sofa::helper::vector< double > empty_vecdouble;
                m_createFunc( i0+i, m_createParam, t, empty_vecint, empty_vecdouble);
            }
            else
                m_createFunc( i0+i, m_createParam, t, ancestors[i], coefs[i] );
        }
    }



    template <typename T, typename Alloc>
    void PointData<T,Alloc>::remove( const sofa::helper::vector<unsigned int> &index ) 
    {
        unsigned int last = this->size() -1;

        for (unsigned int i = 0; i < index.size(); ++i)
        {
            m_destroyFunc( index[i], m_destroyParam, (*this)[index[i]] );
            swap( index[i], last );
            --last;
        }

        resize( this->size() - index.size() );
    }


    template <typename T, typename Alloc>
    void PointData<T,Alloc>::renumber( const sofa::helper::vector<unsigned int> &index ) 
    {
        sofa::helper::vector< T,Alloc > copy = (*this); // not very efficient memory-wise, but I can see no better solution...
        for (unsigned int i = 0; i < index.size(); ++i)
        {
            (*this)[i] = copy[ index[i] ];
        }
    }

} // namespace topology

} // namespace component

} // namespace sofa

#endif // _POINTDATA_INL_