Fixes bugs with shuttles breaking pipes, wires and disposals

code/modules/atmospherics/machinery/atmosmachinery.dm

@@ -60,19 +60,24 @@ Pipelines + Other Objects -> Pipe network
 		N.disconnect(src)
 		NODE_I = null
 
+/obj/machinery/atmospherics/proc/getNodeConnects()
+	var/list/node_connects = list()
+	node_connects.len = device_type
+
+	for(DEVICE_TYPE_LOOP)
+		for(var/D in GLOB.cardinal)
+			if(D & GetInitDirections())
+				if(D in node_connects)
+					continue
+				node_connects[I] = D
+				break
+	return node_connects
+
+
 //this is called just after the air controller sets up turfs
 /obj/machinery/atmospherics/proc/atmosinit(var/list/node_connects)
 	if(!node_connects) //for pipes where order of nodes doesn't matter
-		node_connects = list()
-		node_connects.len = device_type
-
-		for(DEVICE_TYPE_LOOP)
-			for(var/D in GLOB.cardinal)
-				if(D & GetInitDirections())
-					if(D in node_connects)
-						continue
-					node_connects[I] = D
-					break
+		node_connects = getNodeConnects()
 
 	for(DEVICE_TYPE_LOOP)
 		for(var/obj/machinery/atmospherics/target in get_step(src,node_connects[I]))
@@ -288,3 +293,47 @@ Pipelines + Other Objects -> Pipe network
 //Used for certain children of obj/machinery/atmospherics to not show pipe vision when mob is inside it.
 /obj/machinery/atmospherics/proc/can_see_pipes()
 	return 1
+
+//Properly updates pipes on shuttle movement
+/obj/machinery/atmospherics/shuttleRotate(rotation)
+	var/list/real_node_connect = getNodeConnects()
+	for(DEVICE_TYPE_LOOP)
+		real_node_connect[I] = angle2dir(rotation+dir2angle(real_node_connect[I]))
+
+	..()
+	SetInitDirections()
+	var/list/supposed_node_connect = getNodeConnects()
+	var/list/nodes_copy = nodes.Copy()
+
+	for(DEVICE_TYPE_LOOP)
+		var/new_pos = supposed_node_connect.Find(real_node_connect[I])
+		nodes[new_pos] = nodes_copy[I]
+
+/obj/machinery/atmospherics/afterShuttleMove()
+	..()
+	var/missing_nodes = FALSE
+	for(DEVICE_TYPE_LOOP)
+		if(src.nodes[I])
+			var/obj/machinery/atmospherics/node = src.nodes[I]
+			var/connected = FALSE
+			for(var/D in GLOB.cardinal)
+				if(node in get_step(src, D))
+					connected = TRUE
+					break
+
+			if(!connected)
+				nullifyNode(I)
+
+		if(!src.nodes[I])
+			missing_nodes = TRUE
+
+	if(missing_nodes)
+		atmosinit()
+		for(var/obj/machinery/atmospherics/A in pipeline_expansion())
+			A.atmosinit()
+			if(A.returnPipenet())
+				A.addMember(src)
+		build_network()
+	else
+		// atmosinit() calls update_icon(), so we don't need to call it
+		update_icon()

code/modules/atmospherics/machinery/components/binary_devices/binary_devices.dm

@@ -26,9 +26,5 @@ Iconnery
 Housekeeping and pipe network stuff
 */
 
-/obj/machinery/atmospherics/components/binary/atmosinit()
-	var/node2_connect = dir
-	var/node1_connect = turn(dir, 180)
-
-	var/list/node_connects = list(node1_connect, node2_connect)
-	..(node_connects)
+/obj/machinery/atmospherics/components/binary/getNodeConnects()
+	return list(turn(dir, 180), dir)

code/modules/atmospherics/machinery/components/trinary_devices/trinary_devices.dm

@@ -22,7 +22,7 @@
 Housekeeping and pipe network stuff
 */
 
-/obj/machinery/atmospherics/components/trinary/atmosinit()
+/obj/machinery/atmospherics/components/trinary/getNodeConnects()
 
 	//Mixer:
 	//1 and 2 is input
@@ -43,5 +43,4 @@ Housekeeping and pipe network stuff
 		node1_connect = turn(node1_connect, 180)
 		node3_connect = turn(node3_connect, 180)
 
-	var/list/node_connects = list(node1_connect, node2_connect, node3_connect)
-	..(node_connects)
+	return list(node1_connect, node2_connect, node3_connect)

code/modules/atmospherics/machinery/pipes/heat_exchange/junction.dm

@@ -29,12 +29,8 @@
 			initialize_directions = EAST
 			initialize_directions_he = WEST
 
-/obj/machinery/atmospherics/pipe/heat_exchanging/junction/atmosinit()
-	var/node2_connect = dir
-	var/node1_connect = turn(dir, 180)
-	var/list/node_connects = list(node1_connect, node2_connect)
-
-	..(node_connects)
+/obj/machinery/atmospherics/pipe/heat_exchanging/junction/getNodeConnects()
+	return list(turn(dir, 180), dir)
 
 /obj/machinery/atmospherics/pipe/heat_exchanging/junction/can_be_node(obj/machinery/atmospherics/target, iteration)
 	var/init_dir