X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgame%2Fstage.h;h=03a8adebc2531e605e5e7e3a58f8ca1dfb573c36;hb=12c863fc1bc5456a4b3aceacc88904d76bd1d8bb;hp=6af3b60a62596b97d61f833baa0c937c395b063a;hpb=41fa4483d8f017175800992d8fdacd7ee312d0c3;p=libs%2Fgame.git

diff --git a/source/game/stage.h b/source/game/stage.h
index 6af3b60..03a8ade 100644
--- a/source/game/stage.h
+++ b/source/game/stage.h
@@ -8,32 +8,42 @@
 #include "events.h"
 #include "eventsource.h"
 #include "handle.h"
+#include "mspgame_api.h"
+#include "reflection.h"
+#include "systemscheduler.h"
 
 namespace Msp::Game {
 
+class Camera;
 class Root;
 class System;
 
-class Stage
+class MSPGAME_API Stage
 {
 public:
 	using EventSource = Game::EventSource<Events::EntityCreated, Events::EntityDestroyed,
-		Events::ComponentCreated, Events::ComponentDestroyed>;
+		Events::ComponentCreated, Events::ComponentDestroyed, Events::CameraChanged>;
 
 private:
+	Reflection::Reflector &reflector;
 	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;
+	SystemScheduler scheduler;
+	Handle<Camera> active_camera;
+	bool pending_reschedule = false;
 
 public:
-	Stage(DataFile::Collection &);
+	Stage(Reflection::Reflector &, DataFile::Collection &);
 	~Stage();
 
+	Reflection::Reflector &get_reflector() const { return reflector; }
 	DataFile::Collection &get_resources() const { return resources; }
 	PoolPool &get_pools() { return pools; }
 	EventBus &get_event_bus() { return event_bus; }
@@ -46,11 +56,20 @@ public:
 	template<typename T, typename... Args>
 	T &add_system(Args &&...);
 
+	void remove_system(System &);
 	const std::vector<std::unique_ptr<System>> &get_systems() const { return systems; }
 
 	template<typename T>
 	T *get_system() const;
 
+	void set_active_camera(Handle<Camera>);
+	Handle<Camera> get_active_camera() const { return active_camera; }
+
+	void synthesize_initial_events(EventObserver &);
+private:
+	void synthesize_initial_events(Handle<Entity>, EventObserver &);
+
+public:
 	void tick(Time::TimeDelta);
 };
 
@@ -63,8 +82,13 @@ inline void Stage::iterate_objects(const F &func)
 template<typename T, typename... Args>
 inline T &Stage::add_system(Args &&... args)
 {
-	systems.emplace_back(std::make_unique<T>(*this, std::forward<Args>(args)...));
-	return static_cast<T &>(*systems.back());
+	// Ensure that a reflected class exists for scheduling
+	reflector.get_or_create_class<T>();
+
+	auto &sys = systems.emplace_back(std::make_unique<T>(*this, std::forward<Args>(args)...));
+	scheduler.add_system(*sys);
+	pending_reschedule = true;
+	return static_cast<T &>(*sys);
 }
 
 template<typename T>