doors {
  name: "Mastery"
  type: EVENT
  panels { room: "Flip Area" name: "SUCCEED" }
}
doors {
  name: "Checkpoint Panels"
  type: LOCATION_ONLY
  panels { room: "Main Area" name: "DROP" }
  panels { room: "Main Area" name: "LEAP" }
  panels { room: "Main Area" name: "SPIN" }
  location_room: "Main Area"
  location_name: "DROP, LEAP, SPIN"
}