#include "waypoint.hh"


using namespace std ;



/*** Constructeurs ***/


Waypoint::Waypoint(const Building *_b, const Point3D &p): Point3D(p)
{
  buildings.push_back((Building *) _b) ;
}


Waypoint::Waypoint(const Building *_b,
                   const float &_x, const float &_y, const float &_z
                  ): Point3D(_x, _y, _z)
{
  buildings.push_back((Building *) _b) ;
}


Waypoint::~Waypoint()
{
  buildings.clear() ;
}



/*** Accesseurs lecture ***/


Building* Waypoint::get_1st_building() const
{
  try
    {
      return buildings.at(0) ;
    }
  catch (out_of_range &e)
    {
      return NULL ;
    }
}


vector<Building*> Waypoint::get_buildings() const
{
  return buildings ;
}



/*** Accesseurs écriture ***/


void Waypoint::add_building(const Building *_b)
{
  buildings.push_back((Building *) _b) ;
}



/*** Opérateurs ***/


Waypoint Waypoint::operator=(const Waypoint &wp)
{
  if (this == &wp)
    return *this ;

  this->Point3D::operator=(wp) ;
  buildings = wp.buildings ;

  return *this ;
}


bool Waypoint::operator==(const Waypoint &wp) const
{
  if (this == &wp)
    return true ;

  return
    this->Point3D::operator==(wp) &&
    buildings == wp.buildings ;
}


bool Waypoint::operator!=(const Waypoint &wp) const
{
  return !(*this == wp) ;
}



ostream &operator<<(ostream &os, const Waypoint &wp)
{
  // Coordinates
  os << (Point3D) wp ;

  // List of buildings
  if (wp.buildings.size() == 0)
    os << endl << "Belongs to no building!" ;
  else
    for (vector<Building*>::const_iterator i = wp.buildings.begin() ;
         i < wp.buildings.end() ; i++)
      os << endl << *i ;

  return os ;
}