@Override
	public int numPCInhabitants()
	{
		final Set<MOB> playerInhabitants=CMLib.players().getPlayersHere(this);
		if(playerInhabitants.isEmpty())
			return 0;
		int num=0;
		for(final MOB M : playerInhabitants)
		{
			if((M!=null)&&(M.session()!=null))
				num++;
		}
		return num;
	}