new interaction system for button, we can now know if cursor exit the button

Pontu/include/engine/Button.h

@@ -63,9 +63,9 @@ bool isHover(P_Button* button);// dit si le bouton est survolé en donnant les c
  * \param[in]   button	the button target
  * \param[in]   x	x of the point
  * \param[in]   y	y of the point
- * \return true if the cursor has juste entered the button.
+ * \return 1 if the cursor has just entry in the button, 2 if it has just exit, else 0
  */
-bool isButtonEntry(P_Button * button,const int x,const int y);
+int isButtonInteractWithCursor(P_Button * button,const int x,const int y);
 
 /**
  * \brief Free the texture of a button.

Pontu/src/engine/Button.c

@@ -24,6 +24,7 @@ bool drawButtonOnRenderer(SDL_Renderer* renderer, P_Button* button)
 		return false;
 	}
 	button->drawn = true;
+	//printf("Redraw de %p\n",button);
 	return true;
 }
 
@@ -57,14 +58,19 @@ void freeButton(P_Button * button){
 	SDL_DestroyTexture(button->hoverTexture);
 }
 
-bool isButtonEntry(P_Button * button,const int x,const int y){
+int isButtonInteractWithCursor(P_Button * button,const int x,const int y){
 	SDL_Point coord;
 	coord.x = x;
 	coord.y = y;
 	if(isHover(button)){
 		button->hover = SDL_PointInRect(&coord,&(button->rect));
-		return false;
+		if(button->hover == false){
+			return 2;
+		}
+		return 0;
 	}
 	button->hover = SDL_PointInRect(&coord,&(button->rect));
-	return button->hover;
+	if(button->hover)
+		return 1;
+	return 0;
 }

Pontu/src/engine/GameInputProcessor.c

@@ -81,7 +81,7 @@ InputElement proccessGameInput(GameInputProcessor *gameInputProcessor, const SDL
 		{
 			for (size_t i = 0; i<gameInputProcessor->tabButton.size; ++i) {
 				P_Button* b = &gameInputProcessor->tabButton.elems[i];
-				isButtonEntry(b, event.motion.x, event.motion.y);
+				isButtonInteractWithCursor(b, event.motion.x, event.motion.y);
 			}
 			break;
 		}

Pontu/src/engine/InputProcessor.c

@@ -39,7 +39,7 @@ InputElement proccessInput(InputProcessor *inputProcessor)
 		{
 			for (size_t i = 0; i<inputProcessor->tabButton.size; ++i) {
 				P_Button* b = &inputProcessor->tabButton.elems[i];
-				isButtonEntry(b, event.motion.x, event.motion.y);
+				isButtonInteractWithCursor(b, event.motion.x, event.motion.y);
 			}
 			break;
 		}

Pontu/src/view/MainMenu.c

@@ -90,6 +90,10 @@ int mainMenu(SDL_Renderer * renderer,SDL_Window * window, GeneralState * general
     }
     SDL_Event event;
 
+    drawButtonOnRenderer(renderer,&(buttons[0]));
+    drawButtonOnRenderer(renderer,&(buttons[1]));
+    drawButtonOnRenderer(renderer,&(buttons[2]));
+
     while(*generalState == GS_MainMenu)
     {
         while(SDL_PollEvent(&event))
@@ -110,10 +114,32 @@ int mainMenu(SDL_Renderer * renderer,SDL_Window * window, GeneralState * general
                 }
                 break;
             case SDL_MOUSEMOTION:
-                if(isButtonEntry(&(buttons[0]),event.motion.x,event.motion.y) ||
-                    isButtonEntry(&(buttons[1]),event.motion.x,event.motion.y) ||
-                    isButtonEntry(&(buttons[2]),event.motion.x,event.motion.y)){
-                    playSFX(SFX_menu_sound_effect, audioHandler);
+                switch (isButtonInteractWithCursor(&(buttons[0]),event.motion.x,event.motion.y)) {
+                    case 1:
+                        drawButtonOnRenderer(renderer,&(buttons[0]));
+                        playSFX(SFX_menu_sound_effect, audioHandler);
+                        break;
+                    case 2:
+                        drawButtonOnRenderer(renderer,&(buttons[0]));
+                        break;
+                }
+                switch (isButtonInteractWithCursor(&(buttons[1]),event.motion.x,event.motion.y)) {
+                    case 1:
+                        drawButtonOnRenderer(renderer,&(buttons[1]));
+                        playSFX(SFX_menu_sound_effect, audioHandler);
+                        break;
+                    case 2:
+                        drawButtonOnRenderer(renderer,&(buttons[1]));
+                        break;
+                }
+                switch (isButtonInteractWithCursor(&(buttons[2]),event.motion.x,event.motion.y)) {
+                    case 1:
+                        drawButtonOnRenderer(renderer,&(buttons[2]));
+                        playSFX(SFX_menu_sound_effect, audioHandler);
+                        break;
+                    case 2:
+                        drawButtonOnRenderer(renderer,&(buttons[2]));
+                        break;
                 }
                 break;
             case SDL_WINDOWEVENT:
@@ -135,9 +161,6 @@ int mainMenu(SDL_Renderer * renderer,SDL_Window * window, GeneralState * general
                 break;
             }
         }
-        drawButtonOnRenderer(renderer,&(buttons[0]));
-        drawButtonOnRenderer(renderer,&(buttons[1]));
-        drawButtonOnRenderer(renderer,&(buttons[2]));
         SDL_RenderPresent(renderer);
 
         SDL_Delay(20);