Cyan room and some polish

src/room/yellowRoom.t

@@ -3,7 +3,13 @@ yellowRoom: Room
   " This is another room which every surface
     covered with matte white panels.
     <.p>
-    There are three doors in the north wall."
+    A bright screen on the wall attracts your attention.
+    <.p>
+    There are three doors in the north wall
+    and a wide door leading south."
+
+  south = cyanRoom
+
   north: AskConnector {
     promptMessage =
       "There are three doors you could go through to the north.<br>"
@@ -15,30 +21,33 @@ yellowRoom: Room
 
 /* Doors */
 
-+ orangeDoorOutside: Door, AutoClosingDoor
++ orangeDoorOutside: Door, AutoClosingDoor, RoomPartItem
   -> orangeDoor
   'orange door*doors'
   'door with <b>orange</b> triangle'
   " Sliding door with the number
     <q><<gameMain.experimentNumber>></q>
     and an orange triangle.<br>"
+  specialNominalRoomPartLocation = defaultNorthWall
 ;
 
-+ khakiDoor: IndirectLockable, Door
++ khakiDoor: IndirectLockable, Door, RoomPartItem
   'khaki door*doors'
   'door with <b>khaki</b> triangle'
   " Sliding door with the number
     <q><<gameMain.experimentNumber - 1>></q>
     and a khaki triangle.<br>"
+  specialNominalRoomPartLocation = defaultNorthWall
   cannotUnlockMsg = 'The door does not appear to be opened.'
 ;
 
-+ brownDoor: IndirectLockable, Door
++ brownDoor: IndirectLockable, Door, RoomPartItem
   'brown door*doors'
   'door with <b>brown</b> triangle'
   " Sliding door with the number
     <q><<gameMain.experimentNumber - 2>></q>
     and a brown triangle.
     <br>You hear a slight vibration behind the door.<br>"
+  specialNominalRoomPartLocation = defaultNorthWall
   cannotUnlockMsg = 'The door does not appear to be opened.'
 ;