/*  $Id$
**   __      __ __             ___        __   __ __   __
**  /  \    /  \__| ____    __| _/_______/  |_|__|  | |  |   ____
**  \   \/\/   /  |/    \  / __ |/  ___/\   __\  |  | |  | _/ __ \
**   \        /|  |   |  \/ /_/ |\___ \  |  | |  |  |_|  |_\  ___/
**    \__/\  / |__|___|  /\____ /____  > |__| |__|____/____/\___  >
**         \/          \/      \/    \/                         \/
**  Copyright (C) 2000,2005 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.
*/

#ifndef HEADER_CONTROLLER_HXX
#define HEADER_CONTROLLER_HXX

#include <vector>
#include "controller_def.hpp"
#include "input_event.hpp"

/** The Controller class presents the current state of the controller
    and the input events that occurred on the controller since the
    last update */
class Controller
{
private:
  union State {
    enum { BUTTON_STATE, BALL_STATE, AXIS_STATE } type;
    bool  button;
    float axis;
    float ball;
  };

  std::vector<State> states;
  InputEventLst events;

public:
  Controller();

  float get_axis_state  (int name) const;
  bool  get_button_state(int name) const;
  float get_ball_state  (int name) const;

  void  set_axis_state  (int name, float pos);
  void  set_button_state(int name, bool down);
  void  set_ball_state  (int name, float delta);

  void add_axis_event  (int name, float pos);
  void add_button_event(int name, bool down);
  void add_ball_event  (int name, float pos);

  const InputEventLst& get_events() const;
  void set_events(const InputEventLst& lst);

  /** Convenience function that searches for a button down event for
      the given button */
  bool button_was_pressed(int name) const;

  /** Convenience function that searches for a AxisMove event that
      pushed the axis up */
  bool axis_was_pressed_up(int name) const;

  /** Convenience function that searches for a AxisMove event that
      pushed the axis down */
  bool axis_was_pressed_down(int name) const;

  void clear();

  void add_event(const InputEvent& event);
};

#endif

/* EOF */