doors {
  name: "Black Panels"
  type: LOCATION_ONLY
  panels { room: "Main Area" name: "WHERETO" }
  panels { room: "Main Area" name: "COMBINED" }
  location_room: "Main Area"
}
doors {
  name: "Mastery Door"
  type: EVENT
  panels { room: "Main Area" name: "OTHERS" }
}