/obj/machinery/atmospherics/proc/change_color(var/new_color)
	//only pass valid pipe colors please ~otherwise your pipe will turn invisible
	if(!pipe_color_check(new_color))
		return

	pipe_color = new_color
	update_icon()

/*
/obj/machinery/atmospherics/pipe/add_underlay(var/obj/machinery/atmospherics/node, var/direction)
	if(istype(src, /obj/machinery/atmospherics/pipe/tank))	//todo: move tanks to unary devices
		return ..()

	if(node)
		var/temp_dir = get_dir(src, node)
		underlays += icon_manager.get_atmos_icon("pipe_underlay_intact", temp_dir, color_cache_name(node))
		return temp_dir
	else if(direction)
		underlays += icon_manager.get_atmos_icon("pipe_underlay_exposed", direction, pipe_color)
	else
		return null
*/

/obj/machinery/atmospherics/proc/universal_underlays(var/obj/machinery/atmospherics/node, var/direction)
	var/turf/T = get_turf(src)
	if(!istype(T)) return
	if(node)
		var/node_dir = get_dir(src,node)
		if(node.icon_connect_type == "-supply")
			add_underlay_adapter(T, , node_dir, "")
			add_underlay_adapter(T, node, node_dir, "-supply")
			add_underlay_adapter(T, , node_dir, "-scrubbers")
		else if (node.icon_connect_type == "-scrubbers")
			add_underlay_adapter(T, , node_dir, "")
			add_underlay_adapter(T, , node_dir, "-supply")
			add_underlay_adapter(T, node, node_dir, "-scrubbers")
		else
			add_underlay_adapter(T, node, node_dir, "")
			add_underlay_adapter(T, , node_dir, "-supply")
			add_underlay_adapter(T, , node_dir, "-scrubbers")
	else
		add_underlay_adapter(T, , direction, "-supply")
		add_underlay_adapter(T, , direction, "-scrubbers")
		add_underlay_adapter(T, , direction, "")

/obj/machinery/atmospherics/proc/add_underlay_adapter(var/turf/T, var/obj/machinery/atmospherics/node, var/direction, var/icon_connect_type) //modified from add_underlay, does not make exposed underlays
	if(node)
		if(T.intact && node.level == 1 && istype(node, /obj/machinery/atmospherics/pipe))
			underlays += icon_manager.get_atmos_icon("underlay", direction, color_cache_name(node), "down" + icon_connect_type)
		else
			underlays += icon_manager.get_atmos_icon("underlay", direction, color_cache_name(node), "intact" + icon_connect_type)
	else
		underlays += icon_manager.get_atmos_icon("underlay", direction, color_cache_name(node), "retracted" + icon_connect_type)