Merge pull request #12002 from Markolie/falsewallfix

False wall secure fix, add extra step to plating deconstruction

code/game/objects/structures/false_walls.dm

@@ -97,12 +97,9 @@
 	else
 		icon_state = "fwall_open"
 
-/obj/structure/falsewall/proc/ChangeToWall(delete = 1)
+/obj/structure/falsewall/proc/ChangeToWall(delete = TRUE)
 	var/turf/T = get_turf(src)
-	if(!walltype || walltype == "metal")
-		T.ChangeTurf(/turf/simulated/wall)
-	else
-		T.ChangeTurf(text2path("/turf/simulated/wall/mineral/[walltype]"))
+	T.ChangeTurf(walltype)
 	if(delete)
 		qdel(src)
 	return T

code/game/turfs/simulated/floor/plating.dm

@@ -7,6 +7,8 @@
 	broken_states = list("damaged1", "damaged2", "damaged3", "damaged4", "damaged5")
 	burnt_states = list("floorscorched1", "floorscorched2")
 
+	var/unfastened = FALSE 
+
 	footstep_sounds = list(
 	"human" = list('sound/effects/footstep/plating_human.ogg'),
 	"xeno"  = list('sound/effects/footstep/plating_xeno.ogg')
@@ -31,6 +33,12 @@
 	if(!broken && !burnt)
 		icon_state = icon_plating //Because asteroids are 'platings' too.
 
+/turf/simulated/floor/plating/examine(mob/user)
+	. = ..()
+
+	if(unfastened)
+		to_chat(user, "<span class='warning'>It has been unfastened.</span>")
+
 /turf/simulated/floor/plating/attackby(obj/item/C, mob/user, params)
 	if(..())
 		return TRUE
@@ -64,7 +72,16 @@
 			to_chat(user, "<span class='warning'>This section is too damaged to support a tile! Use a welder to fix the damage.</span>")
 		return TRUE
 
-	else if(iswelder(C))
+	else if(isscrewdriver(C))
+		var/obj/item/screwdriver/screwdriver = C
+		to_chat(user, "<span class='notice'>You start [unfastened ? "fastening" : "unfastening"] [src].</span>")
+		playsound(src, screwdriver.usesound, 50, 1)
+		if(do_after(user, 20 * screwdriver.toolspeed, target = src) && screwdriver)
+			to_chat(user, "<span class='notice'>You [unfastened ? "fasten" : "unfasten"] [src].</span>")
+			unfastened = !unfastened
+		return TRUE
+
+	else if(iswelder(C) && unfastened)
 		var/obj/item/weldingtool/welder = C
 		if(welder.isOn())
 			if(!welder.remove_fuel(0, user))