X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgame%2Fstage.cpp;h=1c56c7e8a159abe3e41f32bb3b4b629eb4ffb533;hb=f298027c2042b63cec903c98dfc97e792a4f923f;hp=8d781f28961fc77da688b640c9c579a44c9b4a28;hpb=86057ab12bea9aaf40be2f1f2a0a3e64e94f0313;p=libs%2Fgame.git

diff --git a/source/game/stage.cpp b/source/game/stage.cpp
index 8d781f2..1c56c7e 100644
--- a/source/game/stage.cpp
+++ b/source/game/stage.cpp
@@ -1,18 +1,40 @@
 #include "stage.h"
+#include "camera.h"
 #include "root.h"
 #include "system.h"
 
+using namespace std;
+
 namespace Msp::Game {
 
-Stage::Stage():
+Stage::Stage(DataFile::Collection &r):
+	resources(r),
 	event_source(event_bus),
+	event_observer(event_bus),
 	root(std::make_unique<Root>(*this))
-{ }
+{
+	event_observer.observe<Events::ComponentCreated>([this](auto &e){
+		if(!active_camera)
+			if(Handle<Camera> camera = dynamic_handle_cast<Camera>(e.component))
+				set_active_camera(camera);
+	});
+}
 
 // Hide unique_ptr destructors from the header
 Stage::~Stage()
 { }
 
+void Stage::remove_system(System &s)
+{
+	erase_if(systems, [&s](auto &p){ return p.get()==&s; });
+}
+
+void Stage::set_active_camera(Handle<Camera> c)
+{
+	active_camera = c;
+	event_source.emit<Events::CameraChanged>(active_camera);
+}
+
 void Stage::tick(Time::TimeDelta dt)
 {
 	for(const auto &s: systems)