dirt smoothing

code/game/objects/effects/decals/Cleanable/misc.dm

@@ -27,10 +27,16 @@
 	density = 0
 	anchored = 1
 	layer = 2
-	icon = 'icons/effects/effects.dmi'
+	icon = 'icons/effects/dirt.dmi'
 	icon_state = "dirt"
+	canSmoothWith = list(/obj/effect/decal/cleanable/dirt, /turf/simulated/wall, /obj/structure/falsewall)
+	smooth = SMOOTH_MORE
 	mouse_opacity = 0
 
+/obj/effect/decal/cleanable/dirt/Initialize()
+	..()
+	icon_state = ""
+
 /obj/effect/decal/cleanable/dirt/blackpowder
 	name = "black powder"
 	mouse_opacity = 1
@@ -199,5 +205,3 @@
 	icon_state = "confetti1"
 	random_icon_states = list("confetti1", "confetti2", "confetti3")
 	anchored = 1
-
-

code/game/objects/effects/decals/cleanable.dm

@@ -11,8 +11,16 @@
 	if(random_icon_states && length(src.random_icon_states) > 0)
 		src.icon_state = pick(src.random_icon_states)
 	create_reagents(100)
+	if(smooth)
+		queue_smooth(src)
+		queue_smooth_neighbors(src)
 	..()
 
+/obj/effect/decal/cleanable/Destroy()
+	if(smooth)
+		queue_smooth_neighbors(src)
+	return ..()
+
 /obj/effect/decal/cleanable/attackby(obj/item/W as obj, mob/user as mob,)
 	if(istype(W, /obj/item/reagent_containers/glass) || istype(W, /obj/item/reagent_containers/food/drinks))
 		if(src.reagents && W.reagents && !noscoop)