AtomArray.h

#ifndef DDMD_ATOM_ARRAY_H
#define DDMD_ATOM_ARRAY_H

/*
* Simpatico - Simulation Package for Polymeric and Molecular Liquids
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/

#include <util/containers/Array.h>   // base class template
#include "AtomContext.h"             // context structure.

namespace Util {
   class Vector;
}

namespace DdMd
{

   class Atom;
   class Mask;
   class Plan;

   using namespace Util;

   class AtomArray : public Array<Atom>
   { 

   public: 
   
      AtomArray();
   
      virtual ~AtomArray();

      void allocate(int capacity); 

      void zeroForces(); 

      bool isAllocated() const;
  
   private:
 
      using Array<Atom>::data_;
      using Array<Atom>::capacity_;

      /*
      * The following C-arrays store data for Atom "psuedo-members".
      * Data associated with the Atom in element i of the main data_
      * array is stored in element i in each of these arrays.
      */

      Vector* velocities_;

      Mask* masks_;

      Plan* plans_; 

      int* ids_;

      unsigned int* groups_;

      AtomContext* contexts_;

      AtomArray(const AtomArray& other);
   
      AtomArray& operator = (const AtomArray& other); 

   //friends:

      friend class Atom;

   };

}
#endif