xfemElement.h

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/************************************************************************
**
** Copyright (C) 2014 by Carlos Augusto Teixera Mendes
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together 
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND, 
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR 
** A PARTICULAR PURPOSE.
**
************************************************************************/
 
#ifndef _GEMA_XFEM_ELEMENT_H_
#define _GEMA_XFEM_ELEMENT_H_
 
#include <gmpCell.h>
#include <gmpCellMeshData.h>
#include <gmElement.h>
 
#include <xfemConfig.h>
#include "xfemLuaElement.h"
 
#include <gmLuaCell.h>
 
 
#define XFEM_ELEMENT_ENRICHED_MASK ((~(~0u >> 1)) >> (32 - GMP_GEMAMESH_CELL_ID_BITS))
 
class XfemElement: public GmElement
{
public:
  virtual bool enriched() const = 0;
 
  const GmShape* enrichmentShape() const { return linearShape(); }
 
protected:
  friend class XfemMesh;
 
  virtual void setEnriched(bool mode) = 0;
};
 
 
template <class Base, class Proxy, class CellMeshData, GmCellType T, int N> class XfemGemaElement
  : public GmpGhostCell<Base, Proxy, CellMeshData, T, N>
{
public:
  XfemGemaElement(int meshId, int id, int offset)
    : GmpGhostCell<Base, Proxy, CellMeshData, T, N>(meshId, id, offset) {}
 
  // See comments on base class.
  virtual int cellId() const { return GmpGhostCell<Base, Proxy, CellMeshData, T, N>::cellId() & (~XFEM_ELEMENT_ENRICHED_MASK); }
 
  virtual bool enriched() const { return GmpGhostCell<Base, Proxy, CellMeshData, T, N>::cellId() & XFEM_ELEMENT_ENRICHED_MASK; }
 
protected:
 
  virtual void setEnriched(bool mode)
  {
    if(mode == enriched())
      return;
    replaceCellId(mode ? (cellId() | XFEM_ELEMENT_ENRICHED_MASK) : cellId(), true);
  }
};
 
#endif