source/game/director.h

   1 #ifndef MSP_GAME_DIRECTOR_H_
   2 #define MSP_GAME_DIRECTOR_H_
   3
   4 #include <memory>
   5 #include <optional>
   6 #include <vector>
   7 #include <msp/datafile/collection.h>
   8 #include <msp/time/timedelta.h>
   9 #include <msp/time/timestamp.h>
  10 #include "accessguard.h"
  11 #include "eventbus.h"
  12 #include "events.h"
  13 #include "eventsource.h"
  14
  15 namespace Msp::Game {
  16
  17 class Stage;
  18
  19 class Director
  20 {
  21 public:
  22         using EventSource = Game::EventSource<Events::StageCreated, Events::StageActivated, Events::StageDeactivated>;
  23
  24 private:
  25         std::optional<AccessGuard> access_guard;
  26         DataFile::Collection &resources;
  27         EventBus event_bus;
  28         EventSource event_source;
  29         std::vector<std::unique_ptr<Stage>> stages;
  30         Stage *active_stage = nullptr;
  31         Time::TimeStamp last_tick;
  32         Time::TimeDelta stepsize = Time::sec/60;
  33         Time::TimeDelta backlog;
  34         unsigned max_steps_per_frame = 5;
  35         unsigned max_backlog_steps = 600;
  36
  37 public:
  38         Director(DataFile::Collection &);
  39         ~Director();
  40
  41         DataFile::Collection &get_resources() const { return resources; }
  42         EventBus &get_event_bus() { return event_bus; }
  43         EventSource &get_event_source() { return event_source; }
  44         const std::vector<std::unique_ptr<Stage>> &get_stages() const { return stages; }
  45
  46         Stage &create_stage();
  47         void activate_stage(Stage &);
  48         Stage *get_active_stage() const { return active_stage; }
  49
  50         void tick();
  51 };
  52
  53 } // namespace Msp::Game
  54
  55 #endif