added a method to check if a player has pieces in his waiting area

Projekte/mdga/model/src/main/java/pp.mdga/game/PlayerData.java

@@ -136,4 +136,18 @@ public int getIndexInHome(Piece piece) {
         }
         return -1;
     }
+
+    /**
+     * This method returns the homeNodes
+     *
+     * @return the homeNodes
+     */
+    public boolean hasPieceInWaitingArea() {
+        for (Piece piece : waitingArea) {
+            if (piece != null) {
+                return true;
+            }
+        }
+        return false;
+    }
 }