flightgear/src/Airports/gnnode.cxx

#include "config.h"

#include "gnnode.hxx"

#include <boost/foreach.hpp>

#include "groundnetwork.hxx"

#include <Navaids/NavDataCache.hxx>
#include <Main/globals.hxx>
#include <Scenery/scenery.hxx>

using namespace flightgear;

/**************************************************************************
 * FGTaxiNode
 *************************************************************************/

FGTaxiNode::FGTaxiNode(int index, const SGGeod& pos, bool aOnRunway, int aHoldType) :
  FGPositioned(TRANSIENT_ID, FGPositioned::PARKING, "", pos),
  m_index(index),
  isOnRunway(aOnRunway),
  holdType(aHoldType),
  m_isPushback(false)
{
  
}

FGTaxiNode::~FGTaxiNode()
{
}

void FGTaxiNode::setElevation(double val)
{
  // ignored for the moment
}

double FGTaxiNode::getElevationFt()
{
  const SGGeod& pos = geod();
  if( pos.getElevationFt() == 0.0)
  {
    SGGeod center2 = pos;
    FGScenery* local_scenery = globals->get_scenery();
    center2.setElevationM(SG_MAX_ELEVATION_M);
    double elevationEnd = -100;
    if (local_scenery->get_elevation_m( center2, elevationEnd, NULL ))
    {
      SGGeod newPos = pos;
      newPos.setElevationM(elevationEnd);
      // this will call modifyPosition to update mPosition
      modifyPosition(newPos);
    }
  }
  
  return pos.getElevationFt();
}

int FGTaxiNode::getIndex() const
{
    return m_index;
}

void FGTaxiNode::setIsPushback()
{
    m_isPushback = true;
}

double FGTaxiNode::getElevationM()
{
  return getElevationFt() * SG_FEET_TO_METER;
}