src/engine.hpp

   1 // Plastic Engine
   2 // Copyright (C) 2008  Albert Brown
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #ifndef ENGINE_HPP
  18 #define ENGINE_HPP
  19
  20 #include <list>
  21
  22 #include "state.hpp"
  23
  24
  25 class engine_subsystem
  26 {
  27 private:
  28
  29 public:
  30     virtual void tick(state &s);
  31 };
  32
  33 class engine_core
  34 {
  35 private:
  36     std::list<std::pair<int, engine_subsystem *> > _subsystems;
  37
  38     state _state;
  39
  40     static engine_core *_instance;
  41 public:
  42     engine_core(int argc, char *argv[]);
  43     ~engine_core();
  44
  45     void register_subsystem(engine_subsystem *sys, int order);
  46     void release_subsystem(engine_subsystem *sys);
  47
  48     void run();
  49 };
  50
  51 #endif