source/gameview/presenter.cpp

   1 #include "presenter.h"
   2 #include <functional>
   3 #include <msp/game/events.h>
   4 #include <msp/game/stage.h>
   5 #include "renderer.h"
   6
   7 using namespace std;
   8
   9 namespace Msp::GameView {
  10
  11 Presenter::Presenter(Game::Director &d, GL::View &v):
  12         director(d),
  13         gl_view(v),
  14         resources(director.get_resources()),
  15         event_observer(director.get_event_bus())
  16 {
  17         event_observer.observe<Game::Events::StageActivated>([this](auto &e){ stage_activated(e); });
  18
  19         if(Game::Stage *active_stage = director.get_active_stage())
  20                 stage_activated({ *active_stage });
  21 }
  22
  23 Presenter::~Presenter()
  24 {
  25         for(Renderer *r: renderers)
  26                 r->get_stage().remove_system(*r);
  27 }
  28
  29 void Presenter::stage_activated(const Game::Events::StageActivated &event)
  30 {
  31         if(!event.stage.get_system<Renderer>())
  32                 renderers.push_back(&event.stage.add_system<Renderer>(ref(gl_view)));
  33 }
  34
  35 } // namespace Msp::GameView