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

   1
   2 /*]  Copyright (c) 2009-2011, Charles McGarvey  [*****************************
   3 **]  All rights reserved.
   4 *
   5 * Distributable under the terms and conditions of the 2-clause BSD license;
   6 * see the file COPYING for a complete text of the license.
   7 *
   8 *****************************************************************************/
   9
  10 #ifndef _MOOF_APPLICATION_HH_
  11 #define _MOOF_APPLICATION_HH_
  12
  13 #include <moof/event.hh>
  14 #include <moof/math.hh>
  15 #include <moof/runloop.hh>
  16 #include <moof/thread.hh>
  17 #include <moof/timer.hh>
  18
  19
  20 /**
  21  * \file application.hh
  22  * The main loop.
  23  */
  24
  25 namespace moof {
  26
  27
  28 // forward declarations
  29 class settings;
  30
  31 class application : public runloop
  32 {
  33 public:
  34
  35         explicit application(settings& settings);
  36         virtual ~application() {}
  37
  38         virtual void update(scalar t, scalar dt) = 0;
  39         virtual void draw(scalar alpha) const = 0;
  40         virtual void handle_event(const event& event) = 0;
  41
  42 private:
  43
  44         void dispatch_update(timer& timer, scalar t);
  45         void dispatch_draw(timer& timer, scalar t);
  46
  47         scalar          last_update_;
  48         scalar          last_draw_;
  49         scalar          accum_;
  50         game_time       game_time_;
  51
  52         timer           update_timer_;
  53         timer           draw_timer_;
  54
  55         scalar          timestep_;
  56         scalar          inverse_timestep_;
  57 };
  58
  59
  60 } // namespace moof
  61
  62 #endif // _MOOF_APPLICATION_HH_
  63