hrn_disabledUnits = [];

while {true} do
{
	{
		if (player distance _x < 2000) then
		{
			_x enableSimulation true;
			hrn_disabledUnits = hrn_disabledUnits - [_x];
		};
	} forEach hrn_disabledUnits;
	{
		if (player distance _x >= 2000 && (!(_x in hrn_disabledUnits))) then
		{
			hrn_disabledUnits = hrn_disabledUnits + [_x];
		};
	} forEach allUnits;
	{
		_x switchMove "";
		_x enableSimulation false;
	} forEach hrn_disabledUnits;
	sleep 3;
};