source/game/director.h

   1 #ifndef MSP_GAME_DIRECTOR_H_
   2 #define MSP_GAME_DIRECTOR_H_
   3
   4 #include <memory>
   5 #include <vector>
   6 #include <msp/datafile/collection.h>
   7 #include <msp/time/timedelta.h>
   8 #include <msp/time/timestamp.h>
   9 #include "eventbus.h"
  10 #include "events.h"
  11 #include "eventsource.h"
  12
  13 namespace Msp::Game {
  14
  15 class Stage;
  16
  17 class Director
  18 {
  19 public:
  20         using EventSource = Game::EventSource<Events::StageCreated, Events::StageActivated, Events::StageDeactivated>;
  21
  22 private:
  23         DataFile::Collection &resources;
  24         EventBus event_bus;
  25         EventSource event_source;
  26         std::vector<std::unique_ptr<Stage>> stages;
  27         Stage *active_stage = nullptr;
  28         Time::TimeStamp last_tick;
  29         Time::TimeDelta stepsize = Time::sec/60;
  30         Time::TimeDelta backlog;
  31         unsigned max_steps_per_frame = 5;
  32         unsigned max_backlog_steps = 600;
  33
  34 public:
  35         Director(DataFile::Collection &);
  36         ~Director();
  37
  38         DataFile::Collection &get_resources() const { return resources; }
  39         EventBus &get_event_bus() { return event_bus; }
  40         EventSource &get_event_source() { return event_source; }
  41         const std::vector<std::unique_ptr<Stage>> &get_stages() const { return stages; }
  42
  43         Stage &create_stage();
  44         void activate_stage(Stage &);
  45         Stage *get_active_stage() const { return active_stage; }
  46
  47         void tick();
  48 };
  49
  50 } // namespace Msp::Game
  51
  52 #endif