/* Copyright_License {

  XCSoar Glide Computer - http://www.xcsoar.org/
  Copyright (C) 2000-2014 The XCSoar Project
  A detailed list of copyright holders can be found in the file "AUTHORS".

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.

  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.
}
 */

#include "GlideState.hpp"
#include "Navigation/Aircraft.hpp"
#include "Task/Points/TaskPoint.hpp"

#include <algorithm>

#include <assert.h>

GlideState
GlideState::Remaining(const TaskPoint &tp,
                      const AircraftState &aircraft,
                      const fixed min_h)
{
  assert(aircraft.location.IsValid());

  return GlideState(tp.GetVectorRemaining(aircraft.location),
                    std::max(min_h, tp.GetElevation()),
                    aircraft.altitude, aircraft.wind);
}
