portable.hpp

//  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_OBJECT_PORTABLE_HPP
#define HEADER_SUPERTUX_OBJECT_PORTABLE_HPP

#include "supertux/direction.hpp"
#include "supertux/game_object_component.hpp"

class MovingObject;

class Portable : public GameObjectComponent
{
public:
  Portable() {}
  ~Portable() override {}

  virtual void grab(MovingObject& other, const Vector& pos, Direction dir) { m_owner = &other; }
  virtual void ungrab(MovingObject& other, Direction ) { m_owner = nullptr; }

  virtual MovingObject* get_owner() const { return m_owner; }
  virtual bool is_grabbed() const { return m_owner != nullptr; }
  virtual bool is_portable() const { return true; }

  virtual bool is_hampering() const { return false; }
protected:
  MovingObject* m_owner = nullptr;
private:
  Portable(const Portable&) = delete;
  Portable& operator=(const Portable&) = delete;
};

#endif

/* EOF */