includeLinks/MsqVertex.hpp

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/* ***************************************************************** 
    MESQUITE -- The Mesh Quality Improvement Toolkit

    Copyright 2004 Sandia Corporation and Argonne National
    Laboratory.  Under the terms of Contract DE-AC04-94AL85000 
    with Sandia Corporation, the U.S. Government retains certain 
    rights in this software.

    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 
    (lgpl.txt) along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    diachin2@llnl.gov, djmelan@sandia.gov, mbrewer@sandia.gov, 
    pknupp@sandia.gov, tleurent@mcs.anl.gov, tmunson@mcs.anl.gov      
   
  ***************************************************************** */

#ifndef MSQVERTEX_HPP
#define MSQVERTEX_HPP

#include "Mesquite.hpp"
#include "Vector3D.hpp"

namespace Mesquite
{
  class MeshSet;
  
  class MsqVertex : public Vector3D
   {
   public:
     MsqVertex(double x, double y, double z) 
       : Vector3D(x, y, z), vertexBitFlags(0)
       {}
     
     MsqVertex(const Vector3D &vec) 
       : Vector3D(vec), vertexBitFlags(0)
       {}
     
     MsqVertex() 
       : Vector3D(0,0,0), vertexBitFlags(0)
       {}

     MsqVertex(const MsqVertex& rhs) 
       : Vector3D(rhs), vertexBitFlags(rhs.vertexBitFlags)
       {}

     MsqVertex& operator=(const Vector3D& rhs)
       { Vector3D::operator=(rhs);
         vertexBitFlags = 0;
         return *this; }
     
       // This allows for 8 flag bits.
       // I don't think we'll want more than that (yet).
     typedef unsigned char FlagMask;
     
     enum FlagMaskID
     {
       MSQ_NO_VTX_FLAG = 0,
       MSQ_ALGO_FLAG0 = 1<<0, 
       MSQ_SOFT_FIXED = 1<<1, 
       MSQ_HARD_FIXED = 1<<2, 
       MSQ_COORDS_CHANGED = 1<<3,
       MSQ_FLAG_3 =     1<<4,
       MSQ_FLAG_4 =     1<<5,
       MSQ_ALGO_FLAG1 = 1<<6, 
       MSQ_ALGO_FLAG2 = 1<<7 
     };
     bool is_free_vertex() const
       { return (vertexBitFlags & (MSQ_SOFT_FIXED|MSQ_HARD_FIXED)) == 0; }
     
     void set_soft_fixed_flag()
       { vertexBitFlags|=MSQ_SOFT_FIXED; }
     
     void remove_soft_fixed_flag()
       { vertexBitFlags &= (~MSQ_SOFT_FIXED); }
     
     void set_hard_fixed_flag()
       { vertexBitFlags|=MSQ_HARD_FIXED; }
     
     void set_vertex_flag(FlagMaskID flag)
       { vertexBitFlags|=flag; }
     
     void remove_vertex_flag(FlagMaskID flag)
       { vertexBitFlags &= (~flag); }
     
     bool is_flag_set(FlagMaskID flag) const
       { return (vertexBitFlags & flag) != 0; }
     
   private:
     FlagMask vertexBitFlags;

     friend class Mesquite::MeshSet;
   };

} //namespace
  

#endif // MsqVertex_hpp