local split_indicator = POS(-4128,17,-5768)
__approach_callback_mode = 1

if event.approach and not event.has_entered then
	if get_line() ~= "DLG_OFB" then return end
	
	atc_set_ars_disable(true)
	atc_set_lzb_tsr(1)
end

if event.train then
	if get_line() ~= "DLG_OFB" then return end
	if not atc_arrow then return end
	local state = getstate(split_indicator)
	if state == "red" then
		split_off_locomotive("A0B0OL",1)
		atc_send("S3")
		atc_set_ars_disable(false)
		setstate(split_indicator,"green")
		set_rc((get_rc() or "").." DLG_headshunt_south DLG_around_short DLG_shunt_platforms DLG_shunt_Platform2")
	elseif state == "green" then
		atc_send("B0WROCA1D2S4D10SM")
		setstate(split_indicator,"red")
		F.remove_rc({"DLG_headshunt_south","DLG_around_short","DLG_shunt_platforms","DLG_shunt_Platform2"})
	end
end