Add a view sub-library, including a Camera component

[libs/game.git] / source / game / stage.h

diff --git a/source/game/stage.h b/source/game/stage.h
index d2d05dd986a1c2f21a1f9f59f9a1116d7b330448..19e70f416f54b512087f4560c5c06c9527f185c8 100644 (file)
--- a/source/game/stage.h
+++ b/source/game/stage.h
@@ -11,6 +11,7 @@
 
 namespace Msp::Game {
 
+class Camera;
 class Root;
 class System;
 
@@ -18,17 +19,19 @@ class Stage
 {
 public:
        using EventSource = Game::EventSource<Events::EntityCreated, Events::EntityDestroyed,
-               Events::ComponentCreated, Events::ComponentDestroyed>;
+               Events::ComponentCreated, Events::ComponentDestroyed, Events::CameraChanged>;
 
 private:
        DataFile::Collection &resources;
        PoolPool pools;
        EventBus event_bus;
        EventSource event_source;
+       EventObserver event_observer;
        /* Use unique_ptr because there's only one root per stage so it's pointless
        to put it in a pool. */
        std::unique_ptr<Root> root;
        std::vector<std::unique_ptr<System>> systems;
+       Handle<Camera> active_camera;
 
 public:
        Stage(DataFile::Collection &);
@@ -52,6 +55,9 @@ public:
        template<typename T>
        T *get_system() const;
 
+       void set_active_camera(Handle<Camera>);
+       Handle<Camera> get_active_camera() const { return active_camera; }
+
        void tick(Time::TimeDelta);
 };