Dogcows Code - chaz/yoink/blob - src/moof/application.hh

   1
   2 /*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
   3 **]  All rights reserved.
   4 *
   5 * vi:ts=4 sw=4 tw=75
   6 *
   7 * Distributable under the terms and conditions of the 2-clause BSD license;
   8 * see the file COPYING for a complete text of the license.
   9 *
  10 **************************************************************************/
  11
  12 #ifndef _MOOF_APPLICATION_HH_
  13 #define _MOOF_APPLICATION_HH_
  14
  15 /**
  16  * \file application.hh
  17  * The main loop.
  18  */
  19
  20 #include <boost/noncopyable.hpp>
  21
  22 #include <moof/event.hh>
  23 #include <moof/math.hh>
  24 #include <moof/runloop.hh>
  25 #include <moof/timer.hh>
  26
  27
  28 namespace moof {
  29
  30
  31 class settings;
  32
  33 class application : public runloop
  34 {
  35 public:
  36
  37         application(settings& settings);
  38         virtual ~application() {}
  39
  40         virtual void update(scalar t, scalar dt) = 0;
  41         virtual void draw(scalar alpha) const = 0;
  42         virtual void handle_event(const event& event) = 0;
  43
  44
  45 private:
  46
  47         void dispatch_update(timer& timer, scalar t);
  48         void dispatch_draw(timer& timer, scalar t);
  49
  50         scalar  last_update_;
  51         scalar  accum_;
  52         game_time       game_time_;
  53
  54         timer   update_timer_;
  55         timer   draw_timer_;
  56
  57         scalar  timestep_;
  58         scalar  inverse_timestep_;
  59 };
  60
  61
  62 } // namespace moof
  63
  64 #endif // _MOOF_APPLICATION_HH_
  65