src/supertux/timer.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_TIMER_HPP
#define HEADER_SUPERTUX_SUPERTUX_TIMER_HPP

#include "supertux/globals.hpp"

class Timer
{
public:
  Timer();
  ~Timer();

  void start(float period, bool cyclic = false);
  bool check();
  void stop()
  { start(0); }

  float get_period() const
  { return period; }
  float get_timeleft() const
  { return period - (game_time - cycle_start); }
  float get_timegone() const
  { return game_time - cycle_start; }
  bool started() const
  { return period != 0 && get_timeleft() > 0; }

private:
  float period;
  float cycle_start;
  bool cyclic;
};

#endif

/* EOF */

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