Fixed a bug with mirrored tvalves and pipecaps, made it possible to make pipecaps from pipe dispensor and removed insulated pipes from it because they dont do anything sepcial

code/ATMOSPHERICS/components/tvalve.dm

@@ -339,6 +339,18 @@ obj/machinery/atmospherics/tvalve
 obj/machinery/atmospherics/tvalve/mirrored
 	icon_state = "tvalvem0"
 
+	New()
+		switch(dir)
+			if(NORTH)
+				initialize_directions = SOUTH|NORTH|WEST
+			if(SOUTH)
+				initialize_directions = NORTH|SOUTH|EAST
+			if(EAST)
+				initialize_directions = WEST|EAST|NORTH
+			if(WEST)
+				initialize_directions = EAST|WEST|SOUTH
+		..()
+
 	initialize()
 		var/node1_dir
 		var/node2_dir

code/ATMOSPHERICS/pipes.dm

@@ -1015,10 +1015,22 @@ obj/machinery/atmospherics/pipe
 		volume = 35
 
 		dir = SOUTH
-		initialize_directions = SOUTH
+		initialize_directions = NORTH
 
 		var/obj/machinery/atmospherics/node
 
+		New()
+			..()
+			switch(dir)
+				if(SOUTH)
+				 initialize_directions = NORTH
+				if(NORTH)
+				 initialize_directions = SOUTH
+				if(WEST)
+				 initialize_directions = EAST
+				if(EAST)
+				 initialize_directions = WEST
+
 		hide(var/i)
 			if(level == 1 && istype(loc, /turf/simulated))
 				invisibility = i ? 101 : 0

code/game/machinery/pipe/construction.dm

@@ -19,6 +19,7 @@ Buildable meters
 #define PIPE_GAS_MIXER			14
 #define PIPE_MTVALVE			15
 #define PIPE_MANIFOLD4W			16
+#define PIPE_CAP				17
 
 /obj/item/pipe
 	name = "pipe"
@@ -72,6 +73,8 @@ Buildable meters
 			src.pipe_type = PIPE_MTVALVE
 		else if(istype(make_from, /obj/machinery/atmospherics/pipe/manifold))
 			src.pipe_type = PIPE_MANIFOLD4W
+		else if(istype(make_from, /obj/machinery/atmospherics/pipe/cap))
+			src.pipe_type = PIPE_CAP
 	else
 		src.pipe_type = pipe_type
 		src.dir = dir
@@ -101,6 +104,7 @@ Buildable meters
 		"gas mixer", \
 		"t-valve", \
 		"4-way manifold", \
+		"pipe cap", \
 	)
 	name = nlist[pipe_type+1] + " fitting"
 	var/list/islist = list( \
@@ -121,6 +125,7 @@ Buildable meters
 		"mixer", \
 		"mtvalve", \
 		"manifold4w", \
+		"cap", \
 	)
 	icon_state = islist[pipe_type + 1]
 
@@ -187,6 +192,8 @@ Buildable meters
 			return flip|cw|acw
 		if(PIPE_GAS_FILTER, PIPE_GAS_MIXER,PIPE_MTVALVE)
 			return dir|flip|cw
+		if(PIPE_CAP)
+			return flip
 	return 0
 
 /obj/item/pipe/proc/get_pdir() //endpoints for regular pipes
@@ -510,6 +517,16 @@ Buildable meters
 				V.node3.initialize()
 				V.node3.build_network()
 
+		if(PIPE_CAP)
+			var/obj/machinery/atmospherics/pipe/cap/C = new(src.loc)
+			C.dir = dir
+			C.initialize_directions = pipe_dir
+			C.initialize()
+			C.build_network()
+			if(C.node)
+				C.node.initialize()
+				C.node.build_network()
+
 	playsound(src.loc, 'Ratchet.ogg', 50, 1)
 	user.visible_message( \
 		"[user] fastens the [src].", \

code/game/machinery/pipe/pipe_dispenser.dm

@@ -16,6 +16,7 @@
 	var/dat = {"
 <b>Regular pipes:</b><BR>
 <A href='?src=\ref[src];make=0;dir=1'>Pipe</A><BR>
+<A href='?src=\ref[src];make=17;dir=1'>Pipe Cap</A><BR>``
 <A href='?src=\ref[src];make=1;dir=5'>Bent Pipe</A><BR>
 <A href='?src=\ref[src];make=5;dir=1'>Manifold</A><BR>
 <A href='?src=\ref[src];make=16;dir=1'>4-Way Manifold</A><BR>
@@ -33,9 +34,6 @@
 <A href='?src=\ref[src];make=2;dir=1'>Pipe</A><BR>
 <A href='?src=\ref[src];make=3;dir=5'>Bent Pipe</A><BR>
 <A href='?src=\ref[src];make=6;dir=1'>Junction</A><BR>
-<b>Insulated pipes:</b><BR>
-<A href='?src=\ref[src];make=11;dir=1'>Pipe</A><BR>
-<A href='?src=\ref[src];make=12;dir=5'>Bent Pipe</A><BR>
 "}