X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2FState.h;h=41af536280c92acfff4de02172123dbdf56ad343;hb=ede708d4e15a34a4443727fc64fd28946fcbeb41;hp=7f46c5746c580ddc1ea089acab018d2f3b1f5926;hpb=867fd5d9b79c3b9c1d0fb17ba9f55cfe971b93d5;p=l2e.git

diff --git a/src/app/State.h b/src/app/State.h
index 7f46c57..41af536 100644
--- a/src/app/State.h
+++ b/src/app/State.h
@@ -8,31 +8,60 @@
 #ifndef APP_APPLICATIONSTATE_H_
 #define APP_APPLICATIONSTATE_H_
 
+#include "fwd.h"
+#include "Timer.h"
+
 #include <SDL.h>
 
 namespace app {
 
-class Application;
-class Input;
-
+/// Application state base class for use with app::Application.
 class State {
 
 public:
 	virtual ~State() { };
 
 public:
-	/// do some setup
+	/// Do some setup that needs an application and/or screen handle and thus
+	/// can not be done by the constructor.
+	/// Called when the state first enters the stack.
 	/// @param ctrl the Application running the state
 	virtual void EnterState(Application &ctrl, SDL_Surface *screen) = 0;
-	virtual void ExitState() = 0;
+	/// Do some cleanup.
+	/// Called when the state is popped from the stack.
+	virtual void ExitState(Application &ctrl, SDL_Surface *screen) = 0;
+	/// Called when the state becomes the active one.
+	virtual void ResumeState(Application &ctrl, SDL_Surface *screen) = 0;
+	/// Called when the state becomes inactive.
+	virtual void PauseState(Application &ctrl, SDL_Surface *screen) = 0;
 
-	/// adapt the state's graphics to given dimensions
+	/// Adapt the state's graphics to given dimensions.
+	/// NOTE: currently, this is only called for the stack top and not
+	///       propagated on stack changes.
+	///       Will be fixed soom ;).
 	virtual void Resize(int width, int height) = 0;
 
-	virtual void HandleInput(const Input &) = 0;
+	/// Handle interactive events such as input and timers.
+	virtual void HandleEvents(const Input &) = 0;
+	/// Update the time-dependant world representation.
 	virtual void UpdateWorld(float deltaT) = 0;
+	/// Draw a picture of the world.
 	virtual void Render(SDL_Surface *) = 0;
 
+public:
+	/// Timers handle intended for graphics, sync'ed with render time.
+	/// These timers are only updated for the stack top and thus appear paused
+	/// when the state is visible (roughly).
+	Timers<Uint32> &GraphicsTimers() { return graphicsTimers; }
+	/// Timers handle intended for graphics, sync'ed with world time.
+	/// These timers are only updated for the stack top and thus appear paused
+	/// when the state is visible (roughly).
+	Timers<float> &PhysicsTimers() { return physicsTimers; }
+
+private:
+	Timers<Uint32> graphicsTimers;
+	Timers<float> physicsTimers;
+
 };
 
 }