X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2FState.h;h=31a4ae0462220a62e5c87d50f7d5920794e83d16;hb=HEAD;hp=2a4b5e1bfd93176b8b9b4ebea58dfcfe9f519e8c;hpb=3f8fac16c7ae2cbe7da47b98aba9b558825723e7;p=l2e.git

diff --git a/src/app/State.h b/src/app/State.h
index 2a4b5e1..31a4ae0 100644
--- a/src/app/State.h
+++ b/src/app/State.h
@@ -1,14 +1,11 @@
-/*
- * State.h
- *
- *  Created on: Apr 8, 2012
- *      Author: holy
- */
-
 #ifndef APP_APPLICATIONSTATE_H_
 #define APP_APPLICATIONSTATE_H_
 
-#include "fwd.h"
+namespace app {
+	class Application;
+	class Input;
+}
+
 #include "Timer.h"
 
 #include <SDL.h>
@@ -28,9 +25,9 @@ public:
 	/// Called by Application when popping this state.
 	void ExitState(Application &ctrl, SDL_Surface *screen);
 	/// Called by Application when this state becomes the top state.
-	void ResumeState(Application &ctrl, SDL_Surface *screen);
+	void ResumeState(SDL_Surface *screen);
 	/// Called by Application when this state no longer is the top state.
-	void PauseState(Application &ctrl, SDL_Surface *screen);
+	void PauseState(SDL_Surface *screen);
 
 	/// Called by Application on SDL window resize events.
 	void Resize(int width, int height);
@@ -38,10 +35,13 @@ public:
 	/// 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;
+	virtual void UpdateWorld(Uint32 deltaMs) = 0;
 	/// Draw a picture of the world.
 	virtual void Render(SDL_Surface *) = 0;
 
+	/// Number of milliseconds per simulation frame.
+	Uint32 Timestep() const { return timestep; }
+
 protected:
 	/// Get a handle to the application this state is running on.
 	/// Do not call this while the state is off the stack (e.g. in c'tor/d'tor)
@@ -49,43 +49,47 @@ protected:
 	Application &Ctrl();
 	const Application &Ctrl() const;
 
+	/// Set the number of milliseconds per simulation frame.
+	void Timestep(Uint32 t) { timestep = t; }
+
 private:
 	/// 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 OnEnterState(Application &ctrl, SDL_Surface *screen) = 0;
+	virtual void OnEnterState(SDL_Surface *screen) = 0;
 	/// Do some cleanup.
 	/// Called when the state is popped from the stack.
-	virtual void OnExitState(Application &ctrl, SDL_Surface *screen) = 0;
+	virtual void OnExitState(SDL_Surface *screen) = 0;
 	/// Called when the state becomes the active one.
-	virtual void OnResumeState(Application &ctrl, SDL_Surface *screen) = 0;
+	virtual void OnResumeState(SDL_Surface *screen) = 0;
 	/// Called when the state becomes inactive.
-	virtual void OnPauseState(Application &ctrl, SDL_Surface *screen) = 0;
+	virtual void OnPauseState(SDL_Surface *screen) = 0;
 
 	/// 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 ;).
+	///       Will be fixed sometime ;).
 	virtual void OnResize(int width, int height) = 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).
+	/// when the state is invisible (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; }
+	/// when the state is invisible (roughly).
+	Timers<Uint32> &PhysicsTimers() { return physicsTimers; }
 
 private:
 	Application *ctrl;
 	Timers<Uint32> graphicsTimers;
-	Timers<float> physicsTimers;
+	Timers<Uint32> physicsTimers;
+	Uint32 timestep;
 
 };
 
 }
 
-#endif /* APP_STATE_H_ */
+#endif