Fixes pipes duplication issues

code/ATMOSPHERICS/he_pipes.dm

@@ -35,6 +35,10 @@ obj/machinery/atmospherics/pipe/simple/heat_exchanging
 			if(target.initialize_directions_he & get_dir(target,src))
 				node2 = target
 				break
+		if(!node1 && !node2)
+			del(src)
+			return
+
 		update_icon()
 		return
 
@@ -102,5 +106,9 @@ obj/machinery/atmospherics/pipe/simple/heat_exchanging/junction
 				node2 = target
 				break
 
+		if(!node1&&!node2)
+			del(src)
+			return
+
 		update_icon()
 		return

code/ATMOSPHERICS/pipes.dm

@@ -134,7 +134,7 @@
 
 /obj/machinery/atmospherics/pipe/simple
 	icon = 'icons/atmos/pipes.dmi'
-	icon_state = ""
+	icon_state = ""
 	name = "pipe"
 	desc = "A one meter section of regular pipe"
 
@@ -305,8 +305,8 @@
 
 	return null
 
-/obj/machinery/atmospherics/pipe/simple/visible
+/obj/machinery/atmospherics/pipe/simple/visible
-	icon_state = "intact"
+	icon_state = "intact"
 	level = 2
 
 /obj/machinery/atmospherics/pipe/simple/visible/scrubbers
@@ -329,8 +329,8 @@
 /obj/machinery/atmospherics/pipe/simple/visible/purple
 	color = PIPE_COLOR_PURPLE
 
-/obj/machinery/atmospherics/pipe/simple/hidden
+/obj/machinery/atmospherics/pipe/simple/hidden
-	icon_state = "intact"
+	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
 
@@ -368,8 +368,8 @@
 
 
 /obj/machinery/atmospherics/pipe/manifold
-	icon = 'icons/atmos/manifold.dmi'
+	icon = 'icons/atmos/manifold.dmi'
-	icon_state = ""
+	icon_state = ""
 	name = "pipe manifold"
 	desc = "A manifold composed of regular pipes"
 
@@ -523,13 +523,17 @@
 			if (node3)
 				break
 
+	if(!node1 && !node2 && !node3)
+		del(src)
+		return
+
 	var/turf/T = get_turf(src)
 	if(istype(T))
 		hide(T.intact)
 	update_icon()
 
 /obj/machinery/atmospherics/pipe/manifold/visible
-	icon_state = "map"
+	icon_state = "map"
 	level = 2
 
 /obj/machinery/atmospherics/pipe/manifold/visible/scrubbers
@@ -553,7 +557,7 @@
 	color = PIPE_COLOR_PURPLE
 
 /obj/machinery/atmospherics/pipe/manifold/hidden
-	icon_state = "map"
+	icon_state = "map"
 	level = 1
 	alpha = 128		//set for the benefit of mapping - this is reset to opaque when the pipe is spawned in game
 
@@ -578,8 +582,8 @@
 	color = PIPE_COLOR_PURPLE
 
 /obj/machinery/atmospherics/pipe/manifold4w
-	icon = 'icons/atmos/manifold.dmi'
+	icon = 'icons/atmos/manifold.dmi'
-	icon_state = ""
+	icon_state = ""
 	name = "4-way pipe manifold"
 	desc = "A manifold composed of regular pipes"
 
@@ -720,13 +724,17 @@
 			node4 = target
 			break
 
+	if(!node1 && !node2 && !node3 && !node4)
+		del(src)
+		return
+
 	var/turf/T = get_turf(src)
 	if(istype(T))
 		hide(T.intact)
 	update_icon()
 
-/obj/machinery/atmospherics/pipe/manifold4w/visible
+/obj/machinery/atmospherics/pipe/manifold4w/visible
-	icon_state = "map_4way"
+	icon_state = "map_4way"
 	level = 2
 
 /obj/machinery/atmospherics/pipe/manifold4w/visible/scrubbers
@@ -749,8 +757,8 @@
 /obj/machinery/atmospherics/pipe/manifold4w/visible/purple
 	color = PIPE_COLOR_PURPLE
 
-/obj/machinery/atmospherics/pipe/manifold4w/hidden
+/obj/machinery/atmospherics/pipe/manifold4w/hidden
-	icon_state = "map_4way"
+	icon_state = "map_4way"
 	level = 1
 	alpha = 128		//set for the benefit of mapping - this is reset to opaque when the pipe is spawned in game
 

code/game/machinery/pipe/construction.dm

@@ -390,7 +390,7 @@ Buildable meters
 			M.level = T.intact ? 2 : 1
 			M.initialize()
 			if (!M)
-				usr << "There's nothing to connect this manifold to!" //(with how the pipe code works, at least one end needs to be connected to something, otherwise the game deletes the segment)"
+				usr << pipefailtext
 				return 1
 			M.build_network()
 			if (M.node1)
@@ -413,7 +413,7 @@ Buildable meters
 			M.level = T.intact ? 2 : 1
 			M.initialize()
 			if (!M)
-				usr << "There's nothing to connect this manifold to!" //(with how the pipe code works, at least one end needs to be connected to something, otherwise the game deletes the segment)"
+				usr << pipefailtext
 				return 1
 			M.build_network()
 			if (M.node1)