X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2FApplication.h;h=df5de259857c8c4d8c7e231ff799c1a165b2b2b7;hb=ede708d4e15a34a4443727fc64fd28946fcbeb41;hp=159f627c0a87f1c4ab62e63eaf67594d4d30de9d;hpb=ef384cccd0e23a5de0a82f35ef3367754a8c3719;p=l2e.git

diff --git a/src/app/Application.h b/src/app/Application.h
index 159f627..df5de25 100644
--- a/src/app/Application.h
+++ b/src/app/Application.h
@@ -8,50 +8,83 @@
 #ifndef APP_APPLICATION_H_
 #define APP_APPLICATION_H_
 
+#include "fwd.h"
+#include "Input.h"
+#include "Timer.h"
 #include "../sdl/InitScreen.h"
 
 #include <stack>
+#include <queue>
 #include <SDL.h>
 
 
 namespace app {
 
-class State;
-
+/// Application controller class.
+/// Operates on a state stack that can be modified via ChangeState, PushState,
+/// and PopState.
+/// All state changes are delayed until the looping mechanism gets control again
+/// (i.e. after a top level state function returns, not during).
+/// SDL key events are preprocessed, see app::Input.
+/// The quit event (typically window closed or signal received) is caught and
+/// results in immediate (that is, after the next input loop) termination.
+/// Popped states will be deleted via the plain delete operator on an app::State
+/// pointer.
+/// Timers created by GlobalTimers() operate on actual application time and are
+/// not paused when the current state is paused (as are the timers started by
+/// the app::State members).
 class Application {
 
 public:
-	explicit Application(SDL_Surface *screen, State *initialState);
-	~Application(void);
+	Application(sdl::InitScreen &screen, State *initialState);
+	~Application();
 private:
 	Application(const Application &);
 	Application &operator =(const Application &);
 
 public:
-	void Run(void);
-	void Loop(void);
+	void Run();
+	void Loop();
 
 public:
 	void ChangeState(State *);
 	void PushState(State *);
-	void PopState(void);
-	void Quit(void);
+	void PopState();
+	void Quit();
+	Input &Buttons() { return input; }
+	const Input &Buttons() const { return input; }
+	Timers<Uint32> &GlobalTimers() { return globalTimers; }
+
+private:
+	struct StateCommand {
+		enum Type {
+			PUSH, POP, CHANGE
+		} type;
+		State *state;
+	};
 
 private:
-	State *CurrentState(void);
+	State *CurrentState();
+	bool StateChangePending() const { return !stateChanges.empty(); }
+	void UpdateState();
+	void RealChangeState(State *);
 	void RealPushState(State *);
-	void RealPopState(void);
-	void PopAllStates(void);
+	void RealPopState();
+	void PopAllStates();
 
 private:
-	void HandleEvents(void);
+	void HandleEvents();
 	void UpdateWorld(Uint32 deltaT);
-	void Render(void);
+	void Render();
 
 private:
-	SDL_Surface *screen;
+	sdl::InitScreen &screen;
 	std::stack<State *> states;
+	std::queue<StateCommand> stateChanges;
+	Timers<Uint32> globalTimers;
+	Input input;
 	Uint32 last;
+	bool inStateChage;
 
 };