Added songs, new libraries and more code

control/GameStateManager.java

@@ -3,8 +3,10 @@ package control;
 import java.util.ArrayList;
 import java.util.List;
 
+import model.SongHandler;
 import model.gameState.GameState;
 import model.gameState.MenuState;
+import model.gameState.PickSongState;
 import model.gameState.PlayState;
 
 public class GameStateManager {
@@ -13,17 +15,31 @@ public class GameStateManager {
 	public GameState currentState;
 	private int index = 0;
 	
-	public GameStateManager(){
+	public enum State {
+		MENU_STATE,
+		PLAY_STATE,
+		PICKSONG_STATE
+	}
+	
+	public GameStateManager(SongHandler sh){
 		gamestates = new ArrayList<GameState>();
-		gamestates.add(new MenuState(this));
-		gamestates.add(new PlayState(this));
+		gamestates.add(new MenuState(this, sh));
+		gamestates.add(new PlayState(this, sh));
+		gamestates.add(new PickSongState(this, sh));
 		currentState = gamestates.get(0);
 	}
+	
+	public void setState(State st)
+	{
+		currentState = gamestates.get(st.ordinal());
+		currentState.init();
+	}
 
 	public void next() {
 		index++;
 		index %= gamestates.size();
 		currentState = gamestates.get(index);
+		currentState.init();
 	}
 	
 	public void update(){