Better emulation of main menu behavior.

- Pressing 'Esc' will now always enter the MainMenuExit state.
- Returning from MainMenuExit state does not reset button states: these must be manually reset by calling the reset() method.

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>

src/itdelatrisu/opsu/states/GameRanking.java

@@ -176,6 +176,7 @@ public class GameRanking extends BasicGameState {
 			game.enterState(Opsu.STATE_GAME, new FadeOutTransition(Color.black), new FadeInTransition(Color.black));
 		} else if (exitButton.contains(x, y)) {
 			SoundController.playSound(SoundController.SOUND_MENUBACK);
+			((MainMenu) game.getState(Opsu.STATE_MAINMENU)).reset();
 			game.enterState(Opsu.STATE_MAINMENU, new FadeOutTransition(Color.black), new FadeInTransition(Color.black));
 		} else if (Utils.getBackButton().contains(x, y)) {
 			MusicController.pause();