BendingListener.java

  @EventHandler(priority=EventPriority.NORMAL, ignoreCancelled=true)
  public void onPlayerToggleFlight(PlayerToggleFlightEvent event) {
    Player p = event.getPlayer();
    if ((Tornado.getPlayers().contains(p)) || (Bloodbending.isBloodbended(p)) || 
      (Speed.getPlayers().contains(p)) || 
      (FireJet.getPlayers().contains(p)) || 
      (AvatarState.getPlayers().contains(p)))
      event.setCancelled(p.getGameMode() != GameMode.CREATIVE);
  }