X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2FState.h;h=2a4b5e1bfd93176b8b9b4ebea58dfcfe9f519e8c;hb=3f8fac16c7ae2cbe7da47b98aba9b558825723e7;hp=28cb94d5d978179e2828f132aa6819875a5fd241;hpb=65158353d1ecbed0032752863c6c4eb96b1a084a;p=l2e.git

diff --git a/src/app/State.h b/src/app/State.h
index 28cb94d..2a4b5e1 100644
--- a/src/app/State.h
+++ b/src/app/State.h
@@ -19,9 +19,37 @@ namespace app {
 class State {
 
 public:
-	virtual ~State() { };
+	State();
+	virtual ~State();
 
 public:
+	/// Called by Application when pushing this state.
+	void EnterState(Application &ctrl, SDL_Surface *screen);
+	/// 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);
+	/// Called by Application when this state no longer is the top state.
+	void PauseState(Application &ctrl, SDL_Surface *screen);
+
+	/// Called by Application on SDL window resize events.
+	void Resize(int width, int height);
+
+	/// 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;
+
+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)
+	/// or you'll get a std::domain_error (potentially evil in d'tor)!
+	Application &Ctrl();
+	const Application &Ctrl() const;
+
+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.
@@ -39,14 +67,7 @@ public:
 	/// 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;
-
-	/// 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;
+	virtual void OnResize(int width, int height) = 0;
 
 public:
 	/// Timers handle intended for graphics, sync'ed with render time.
@@ -59,6 +80,7 @@ public:
 	Timers<float> &PhysicsTimers() { return physicsTimers; }
 
 private:
+	Application *ctrl;
 	Timers<Uint32> graphicsTimers;
 	Timers<float> physicsTimers;