Merge pull request #8087 from Trilbyspaceclone/QoL-RCD

[MIRROR]  fixes some edge cases in rcd building #42960 TG code

code/game/objects/structures/lattice.dm

@@ -51,6 +51,20 @@
 		new /obj/item/stack/rods(get_turf(src), number_of_rods)
 	qdel(src)
 
+/obj/structure/lattice/rcd_vals(mob/user, obj/item/construction/rcd/the_rcd)
+	if(the_rcd.mode == RCD_FLOORWALL)
+		return list("mode" = RCD_FLOORWALL, "delay" = 0, "cost" = 2)
+
+/obj/structure/lattice/rcd_act(mob/user, obj/item/construction/rcd/the_rcd, passed_mode)
+	if(passed_mode == RCD_FLOORWALL)
+		to_chat(user, "<span class='notice'>You build a floor.</span>")
+		var/turf/T = src.loc
+		if(isspaceturf(T))
+			T.PlaceOnTop(/turf/open/floor/plating)
+			qdel(src)
+			return TRUE
+	return FALSE
+
 /obj/structure/lattice/singularity_pull(S, current_size)
 	if(current_size >= STAGE_FOUR)
 		deconstruct()