Update disposal.dm

new disposal pipes

code/modules/recycling/disposal.dm

@@ -873,6 +873,12 @@
 				C.ptype = 9
 			if("pipe-j2s")
 				C.ptype = 10
+///// Z-Level stuff
+			if("pipe-u")
+				C.ptype = 11
+			if("pipe-d")
+				C.ptype = 12
+///// Z-Level stuff
 		src.transfer_fingerprints_to(C)
 		C.dir = dir
 		C.density = 0
@@ -900,8 +906,113 @@
 		update()
 		return
 
+///// Z-Level stuff
+/obj/structure/disposalpipe/up
+	icon_state = "pipe-u"
 
+	New()
+		..()
+		dpdir = dir
+		update()
+		return
 
+	nextdir(var/fromdir)
+		var/nextdir
+		if(fromdir == 11)
+			nextdir = dir
+		else
+			nextdir = 12
+		return nextdir
+
+	transfer(var/obj/structure/disposalholder/H)
+		var/nextdir = nextdir(H.dir)
+		H.dir = nextdir
+
+		var/turf/T
+		var/obj/structure/disposalpipe/P
+
+		if(nextdir == 12)
+			var/turf/controlerlocation = locate(1, 1, src.z)
+			for(var/obj/effect/landmark/zcontroler/controler in controlerlocation)
+				if(controler.up)
+					T = locate(src.x, src.y, controler.up_target)
+			if(!T)
+				H.loc = src.loc
+				return
+			else
+				for(var/obj/structure/disposalpipe/down/F in T)
+					P = F
+
+		else
+			T = get_step(src.loc, H.dir)
+			P = H.findpipe(T)
+
+		if(P)
+			// find other holder in next loc, if inactive merge it with current
+			var/obj/structure/disposalholder/H2 = locate() in P
+			if(H2 && !H2.active)
+				H.merge(H2)
+
+			H.loc = P
+		else			// if wasn't a pipe, then set loc to turf
+			H.loc = T
+			return null
+
+		return P
+
+/obj/structure/disposalpipe/down
+	icon_state = "pipe-d"
+
+	New()
+		..()
+		dpdir = dir
+		update()
+		return
+
+	nextdir(var/fromdir)
+		var/nextdir
+		if(fromdir == 12)
+			nextdir = dir
+		else
+			nextdir = 11
+		return nextdir
+
+	transfer(var/obj/structure/disposalholder/H)
+		var/nextdir = nextdir(H.dir)
+		H.dir = nextdir
+
+		var/turf/T
+		var/obj/structure/disposalpipe/P
+
+		if(nextdir == 11)
+			var/turf/controlerlocation = locate(1, 1, src.z)
+			for(var/obj/effect/landmark/zcontroler/controler in controlerlocation)
+				if(controler.down)
+					T = locate(src.x, src.y, controler.down_target)
+			if(!T)
+				H.loc = src.loc
+				return
+			else
+				for(var/obj/structure/disposalpipe/up/F in T)
+					P = F
+
+		else
+			T = get_step(src.loc, H.dir)
+			P = H.findpipe(T)
+
+		if(P)
+			// find other holder in next loc, if inactive merge it with current
+			var/obj/structure/disposalholder/H2 = locate() in P
+			if(H2 && !H2.active)
+				H.merge(H2)
+
+			H.loc = P
+		else			// if wasn't a pipe, then set loc to turf
+			H.loc = T
+			return null
+
+		return P
+///// Z-Level stuff
 
 //a three-way junction with dir being the dominant direction
 /obj/structure/disposalpipe/junction
@@ -1325,7 +1436,7 @@
 
 	src.streak(dirs)
 
-/obj/effect/decal/cleanable/blood/gibs/robot/pipe_eject(var/direction)
+/obj/effect/decal/cleanable/robot_debris/gib/pipe_eject(var/direction)
 	var/list/dirs
 	if(direction)
 		dirs = list( direction, turn(direction, -45), turn(direction, 45))