Wrapping up the Game State Manager

lesson#25 - Wrapping up the Game State Manager/ourGame/2

@@ -1,52 +0,0 @@
-import data;
-
-class GStateManager {
-    // private class instance
-    private static GStateManager instance;
-    
-    // IState interface
-    private IState[GameState] state;
-    
-    private GameState currGameState;
-
-    // private constructor
-    private this() { }
-
-    // return the instance; create the instance, if it wasn't created yet
-    static GStateManager getInstance() {
-        if(instance is null) {
-            instance = new GStateManager();
-        }
-
-        return instance;
-    }
-
-    // add game state
-    void add(IState state, GameState gs) {
-	this.state[gs] = state;
-    }
-
-    // remove game state
-    void remove(GameState gs) {
-	this.state.remove(gs);
-    }
-
-    // set game state
-    void setState(GameState gs) {
-        currGameState = gs;
-    }
-
-    // return the current game state
-    GameState getState() {
-	return currGameState;
-    }
-
-    // execute the current game state code
-    void execute() {
-        if(state is null) {
-            return;
-        }
-
-        state[currGameState].run();
-    }
-}