Added hasBox to Player

cicaprojekt/Player.java

@@ -13,6 +13,10 @@ public class Player extends PlayerBase {
         zpmContainer = new ArrayList<>();
     }
 
+    public boolean hasBox() {
+        return (boxLifted != null);
+    }
+
     public void boxLift() {
         boxLifted = (Box) currentTile.getAdjacentTile(facingDirection).getABox();
     }