player.setDueling(true);
player.resetPath();
player.clearDuelOptions();
player.resetAllExceptDueling();
affectedPlayer.setDueling(true);
affectedPlayer.resetPath();
affectedPlayer.clearDuelOptions();
affectedPlayer.resetAllExceptDueling();
player.getActionSender().sendDuelWindowOpen();
affectedPlayer.getActionSender().sendDuelWindowOpen();