/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2007 INRIA

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

 */

#include "grid-topology.h"

#include "static-mobility-model.h"

namespace ns3 {

GridTopology::GridTopology (double xMin, double yMin, uint32_t n, double deltaX, double deltaY)

  : m_xMin (xMin),

    m_yMin (yMin),

    m_n (n),

    m_deltaX (deltaX),

    m_deltaY (deltaY),

{}

void 

GridTopology::SetMobilityModel (TypeId interfaceId)

{

  m_positionTypeId = interfaceId;

}

void 

GridTopology::LayoutOneRowFirst (Ptr<Object> object, uint32_t i)

{

  double x, y;

  x = m_xMin + m_deltaX * (i % m_n);

  y = m_yMin + m_deltaY * (i / m_n);

  Ptr<MobilityModel> mobility = m_positionTypeId.CreateObject ()->QueryInterface<MobilityModel> ();

  object->AddInterface (mobility);

  mobility->SetPosition (Vector (x, y, 0.0));

}

void 

GridTopology::LayoutOneColumnFirst (Ptr<Object> object, uint32_t i)

{

  double x, y;

  x = m_xMin + m_deltaX * (i / m_n);

  y = m_yMin + m_deltaY * (i % m_n);

  Ptr<MobilityModel> mobility = m_positionTypeId.CreateObject ()->QueryInterface<MobilityModel> ();

  object->AddInterface (mobility);

  mobility->SetPosition (Vector (x, y, 0.0));

}

} // namespace ns3