src/supertux/game_object.hpp

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//  SuperTux
//  Copyright (C) 2006 Matthias Braun <matze@braunis.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 3 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, see <http://www.gnu.org/licenses/>.

#ifndef HEADER_SUPERTUX_SUPERTUX_GAME_OBJECT_HPP
#define HEADER_SUPERTUX_SUPERTUX_GAME_OBJECT_HPP

#include <string>

#include "util/refcounter.hpp"

class DrawingContext;
class ObjectRemoveListener;

class GameObject : public RefCounter
{
public:
  GameObject();
  GameObject(const GameObject& rhs);
  virtual ~GameObject();

  virtual void update(float elapsed_time) = 0;

  virtual void draw(DrawingContext& context) = 0;

  bool is_valid() const
  {
    return !wants_to_die;
  }

  void remove_me()
  {
    wants_to_die = true;
  }

  void add_remove_listener(ObjectRemoveListener* listener);
  
  void del_remove_listener(ObjectRemoveListener* listener);

  const std::string& get_name() const
  {
    return name;
  }

private:
  bool wants_to_die;

  struct RemoveListenerListEntry
  {
    RemoveListenerListEntry* next;
    ObjectRemoveListener* listener;
  };
  RemoveListenerListEntry* remove_listeners;

protected:
  std::string name;

private:
  GameObject& operator=(const GameObject&);
};

#endif /*SUPERTUX_GAMEOBJECT_H*/

/* EOF */

---