/obj/machinery/atmospherics/pipe/simple/hidden
	icon_state = "intact"
	level = 1
	alpha = 128		//set for the benefit of mapping - this is reset to opaque when the pipe is spawned in game

/obj/machinery/atmospherics/pipe/simple/hidden/scrubbers
	name = "Scrubbers pipe"
	desc = "A one meter section of scrubbers pipe"
	icon_state = "intact-scrubbers"
	connect_types = list(3)
	layer = 2.38
	icon_connect_type = "-scrubbers"
	color = PIPE_COLOR_RED

/obj/machinery/atmospherics/pipe/simple/hidden/supply
	name = "Air supply pipe"
	desc = "A one meter section of supply pipe"
	icon_state = "intact-supply"
	connect_types = list(2)
	layer = 2.39
	icon_connect_type = "-supply"
	color = PIPE_COLOR_BLUE

/obj/machinery/atmospherics/pipe/simple/hidden/universal
	name="Universal pipe adapter"
	desc = "An adapter for regular, supply and scrubbers pipes"
	connect_types = list(1,2,3)
	icon_state = "map_universal"

/obj/machinery/atmospherics/pipe/simple/hidden/universal/update_icon(var/safety = 0)
	if(!check_icon_cache())
		return

	alpha = 255

	overlays.Cut()
	overlays += icon_manager.get_atmos_icon("pipe", , pipe_color, "universal")
	underlays.Cut()

	if(node1)
		universal_underlays(node1)
		if(node2)
			universal_underlays(node2)
		else
			var/node2_dir = turn(get_dir(src,node1),-180)
			universal_underlays(,node2_dir)
	else if(node2)
		universal_underlays(node2)
		var/node1_dir = turn(get_dir(src,node2),-180)
		universal_underlays(,node1_dir)
	else
		universal_underlays(,dir)
		universal_underlays(,turn(dir, -180))

/obj/machinery/atmospherics/pipe/simple/hidden/universal/update_underlays()
	..()
	update_icon()

/obj/machinery/atmospherics/pipe/simple/hidden/yellow
	color = PIPE_COLOR_YELLOW

/obj/machinery/atmospherics/pipe/simple/hidden/cyan
	color = PIPE_COLOR_CYAN

/obj/machinery/atmospherics/pipe/simple/hidden/green
	color = PIPE_COLOR_GREEN

/obj/machinery/atmospherics/pipe/simple/hidden/purple
	color = PIPE_COLOR_PURPLE