Merge pull request #4530 from Citadel-Station-13/upstream-merge-33705

[MIRROR] Turns the baseturf var into a part time list

code/game/objects/structures/false_walls.dm

@@ -85,7 +85,7 @@
 
 /obj/structure/falsewall/proc/ChangeToWall(delete = 1)
 	var/turf/T = get_turf(src)
-	T.ChangeTurf(walltype)
+	T.PlaceOnTop(walltype)
 	if(delete)
 		qdel(src)
 	return T

code/game/objects/structures/girders.dm

@@ -86,7 +86,7 @@
 					S.use(5)
 					to_chat(user, "<span class='notice'>You add the plating.</span>")
 					var/turf/T = get_turf(src)
-					T.ChangeTurf(/turf/closed/wall/mineral/iron)
+					T.PlaceOnTop(/turf/closed/wall/mineral/iron)
 					transfer_fingerprints_to(T)
 					qdel(src)
 				return
@@ -120,7 +120,7 @@
 					S.use(2)
 					to_chat(user, "<span class='notice'>You add the plating.</span>")
 					var/turf/T = get_turf(src)
-					T.ChangeTurf(/turf/closed/wall)
+					T.PlaceOnTop(/turf/closed/wall)
 					transfer_fingerprints_to(T)
 					qdel(src)
 				return
@@ -150,7 +150,7 @@
 						S.use(1)
 						to_chat(user, "<span class='notice'>You fully reinforce the wall.</span>")
 						var/turf/T = get_turf(src)
-						T.ChangeTurf(/turf/closed/wall/r_wall)
+						T.PlaceOnTop(/turf/closed/wall/r_wall)
 						transfer_fingerprints_to(T)
 						qdel(src)
 					return
@@ -194,7 +194,7 @@
 					S.use(2)
 					to_chat(user, "<span class='notice'>You add the plating.</span>")
 					var/turf/T = get_turf(src)
-					T.ChangeTurf(text2path("/turf/closed/wall/mineral/[M]"))
+					T.PlaceOnTop(text2path("/turf/closed/wall/mineral/[M]"))
 					transfer_fingerprints_to(T)
 					qdel(src)
 				return
@@ -397,7 +397,7 @@
 			user.visible_message("<span class='notice'>[user] plates [src] with runed metal.</span>", "<span class='notice'>You construct a runed wall.</span>")
 			R.use(1)
 			var/turf/T = get_turf(src)
-			T.ChangeTurf(/turf/closed/wall/mineral/cult)
+			T.PlaceOnTop(/turf/closed/wall/mineral/cult)
 			qdel(src)
 
 	else
@@ -424,7 +424,7 @@
 	switch(passed_mode)
 		if(RCD_FLOORWALL)
 			to_chat(user, "<span class='notice'>You finish a wall.</span>")
-			T.ChangeTurf(/turf/closed/wall)
+			T.PlaceOnTop(/turf/closed/wall)
 			qdel(src)
 			return TRUE
 		if(RCD_DECONSTRUCT)