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 /**
  14  * \file application.hh
  15  * The main loop.
  16  */
  17
  18 #include <boost/noncopyable.hpp>
  19
  20 #include <moof/event.hh>
  21 #include <moof/math.hh>
  22 #include <moof/runloop.hh>
  23 #include <moof/timer.hh>
  24
  25
  26 namespace moof {
  27
  28
  29 // forward declarations
  30 class settings;
  31
  32 class application : public runloop
  33 {
  34 public:
  35
  36         explicit application(settings& settings);
  37         virtual ~application() {}
  38
  39         virtual void update(scalar t, scalar dt) = 0;
  40         virtual void draw(scalar alpha) const = 0;
  41         virtual void handle_event(const event& event) = 0;
  42
  43 private:
  44
  45         void dispatch_update(timer& timer, scalar t);
  46         void dispatch_draw(timer& timer, scalar t);
  47
  48         scalar          last_update_;
  49         scalar          last_draw_;
  50         scalar          accum_;
  51         game_time       game_time_;
  52
  53         timer           update_timer_;
  54         timer           draw_timer_;
  55
  56         scalar          timestep_;
  57         scalar          inverse_timestep_;
  58 };
  59
  60
  61 } // namespace moof
  62
  63 #endif // _MOOF_APPLICATION_HH_
  64