private void cmd_setmana(final String arg, final Client client) {
		final Player player = getPlayer(client);

		if (!arg.equals("")) {
			System.out.println("ARG: " + arg);

			final int changeMANA = Utils.toInt(arg, 0);
			final int changeSign = Integer.signum(changeMANA);

			System.out.println("INTERPRETED VALUE: " + changeMANA);
			System.out.println("SIGN: " + changeSign);

			if (changeMANA != 0) {
				player.setMana(changeMANA);

				if (changeSign > 0) {
					send("Game> Gave " + player.getName() + " " + changeMANA + " mana (mana).", client);
				} else if (changeSign < 0) {
					send("Game> Took " + changeMANA + " mana (mana) from " + player.getName(), client);
				}

				player.updateCurrentState();
			} 
			else {
				send("Game> No amount specified, no mana (mana) change has been made.", client);
			}
		}
	}