/**
 * @file   interface_particles.hpp
 * @author Julian Iseringhausen <isering@ins.uni-bonn.de>
 * @date   Tue Apr 12 17:40:36 2011
 *
 * @brief  Interface for computing forces and energies in
 *         particle systems.
 *
 */

#ifndef INTERFACE_PARTICLES_HPP
#define INTERFACE_PARTIVLES_HPP

#include <list>

#include "base/has_tempgrids.hpp"
#include "base/linked_cell_list.hpp"
#include "base/particle.hpp"
#include "comm/mpi/has_request_vec.hpp"
#include "interface/interface.hpp"
#include "samples/bspline.hpp"

namespace VMG
{

class Grid;
class Multigrid;

class InterfaceParticles : public Interface, public HasTempGrids, public HasRequestVec
{
public:
  InterfaceParticles(const Boundary& boundary, const int& levelMin, const int& levelMax,
		     const Vector& box_offset, const vmg_float& box_size,
		     const int& near_field_cells) :
    Interface(boundary, levelMin, levelMax, box_offset, box_size, 0, 1.0),
    HasTempGrids(),
    HasRequestVec(),
    spl((near_field_cells+0.5)*Extent(MaxLevel()).MeshWidth().Max())
  {}

  void ImportRightHandSide(Multigrid& multigrid);
  void ExportSolution(Grid& grid);

protected:
  BSpline spl;

private:
  std::list<Particle::Particle> particles;
};

}

#endif /* INTERFACE_PARTICLES_HPP */