/* -*-	Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */

/*

 * Copyright (c) 2006 INRIA

 * All rights reserved.

 *

 * 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 "static-speed-position.h"

#include "yans/simulator.h"

namespace yans {

StaticSpeedPosition::StaticSpeedPosition ()

	: m_x (0.0),

	  m_y (0.0),

	  m_z (0.0),

	  m_dx (0.0),

	  m_dy (0.0),

	  m_dz (0.0),

	  m_prev_us (0)

{}

StaticSpeedPosition::~StaticSpeedPosition ()

{}

void 

StaticSpeedPosition::set (double x, double y, double z)

{

	m_x = x;

	m_y = y;

	m_z = z;

}

void 

StaticSpeedPosition::set_delta (double dx, double dy, double dz)

{

	m_dx = dx / 1000000;

	m_dy = dy / 1000000;

	m_dz = dz / 1000000;

}

void 

StaticSpeedPosition::real_get (double &x, double &y, double &z) const

{

	uint64_t now_us = Simulator::now_us ();

	uint64_t delta_us = now_us - m_prev_us;

	m_x += m_dx * delta_us;

	m_y += m_dy * delta_us;

	m_z += m_dz * delta_us;

	m_prev_us = now_us;

	x = m_x;

	y = m_y;

	z = m_z;

}

}; // namespace yans