//  $Id: teleporter.cpp 2986 2007-08-17 16:20:09Z grumbel $
//
//  Pingus - A free Lemmings clone
//  Copyright (C) 2000 Ingo Ruhnke <grumbel@gmx.de>
//
//  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 <iostream>
#include "../display/scene_context.hpp"
#include "../pingu.hpp"
#include "../pingu_holder.hpp"
#include "../world.hpp"
#include "../resource.hpp"
#include "teleporter_target.hpp"
#include "teleporter.hpp"

namespace WorldObjs {

Teleporter::Teleporter(const FileReader& reader)
  : sprite(Resource::load_sprite("worldobjs/teleporter"))
{
  reader.read_vector("position", pos);
  reader.read_string("target-id", target_id);
}

float
Teleporter::get_z_pos () const
{
  return pos.z;
}

void
Teleporter::draw (SceneContext& gc)
{
  gc.color().draw(sprite, pos);
}

void
Teleporter::on_startup()
{
  if (target_id.empty())
    {
      std::cout << "Teleporter: target-id is empty" << std::endl;
    }
  else
    {
      // FIXME: find the target
      target = dynamic_cast<TeleporterTarget*>(world->get_worldobj(target_id));
      if (!target)
        std::cout << "Teleporter: Couldn't find matching target-id or object isn't a TeleporterTarget" << std::endl;
    }
}

void
Teleporter::update ()
{
  sprite.update();

  if (target)
    {
      PinguHolder* holder = world->get_pingus();
      for (PinguIter pingu = holder->begin (); pingu != holder->end (); ++pingu)
        {
          if (   (*pingu)->get_x() > pos.x - 3  && (*pingu)->get_x() < pos.x + 3
                 && (*pingu)->get_y() > pos.y - 52 && (*pingu)->get_y() < pos.y)
            {
              (*pingu)->set_pos(target->get_pos().x, target->get_pos().y);
              target->teleporter_used();
              sprite.restart();
            }
        }
    }
}

} // namespace WorldObjs

/* EOF */