public void checkGroup(GroupSettings settings, CheckReport report)
	{
		EntityConcentrationMap map = new EntityConcentrationMap(settings, this);
		report.waitForGroup(settings);
		
		for(World world : Bukkit.getWorlds())
		{
			if(allowWorldGlobal(world) && settings.allowWorld(world))
				map.queueWorld(world);
		}
		
		map.build(new EntityChecker(settings, report));
	}