added destroying lists

MrBigsock/Assets/Code/Map/TilemapGenerator.cs

@@ -231,6 +231,16 @@ namespace Bigsock
             return roomID++;
         }
 
+        public static void SetRoomIDZero() { 
+            roomID = 0;
+        }
+
+        public static void resetMaps()
+        {
+            DoorLocations.Clear();
+            MapBoundaryList.Clear();
+        }
+
         /*
         Returns the ID of the previous room*/
         public static int LastRoom()