Added help and about, minor improvements

src/MenuManager.h

@@ -10,12 +10,14 @@ namespace ZL {
 
 	enum class GameState {
 		MainMenu,
+		AboutMenu,
 		ShipSelectionSingle,
 		ShipSelectionMulti,
 		Connecting,
 		ConnectionFailed,
 		Gameplay,
 		GameOver,
+		HelpScreen,
 		ConnectionLost
 	};
 
@@ -25,11 +27,13 @@ namespace ZL {
 
 		// Pre-loaded UI roots (loaded once in setupMenu)
 		std::shared_ptr<UiNode> mainMenuRoot;
+		std::shared_ptr<UiNode> aboutMenuRoot;
 		std::shared_ptr<UiNode> shipSelectionRoot;
 		std::shared_ptr<UiNode> connectingRoot;
 		std::shared_ptr<UiNode> connectionFailedRoot;
 		std::shared_ptr<UiNode> gameplayRoot;
 		std::shared_ptr<UiNode> gameOverRoot;
+		std::shared_ptr<UiNode> helpScreenRoot;
 		std::shared_ptr<UiNode> connectionLostRoot;
 
 		// Stored for multiplayer retry
@@ -40,12 +44,14 @@ namespace ZL {
 
 		// State transition methods
 		void enterMainMenu();
+		void enterAboutMenu();
 		void enterShipSelectionSingle();
 		void enterShipSelectionMulti();
 		void enterConnecting();
 		void enterConnectionFailed();
 		void enterGameplay();
 		void enterGameOver(int score);
+		void enterHelp();
 		void enterConnectionLost();
 
 	public:
@@ -74,6 +80,8 @@ namespace ZL {
 		std::function<void(const std::string&, int)> onSingleplayerPressed;
 		std::function<void(const std::string&, int)> onMultiplayerPressed;
 		std::function<void()> onShowPlayersPressed;
+
+		std::function<void()> forceSetupSpaceUICallback;
 	};
 
 } // namespace ZL