Crayon Fixes (#12327)

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

@@ -6,6 +6,7 @@
 	layer = MID_TURF_LAYER
 	plane = GAME_PLANE //makes the graffiti visible over a wall.
 	anchored = TRUE
+	mergeable_decal = FALSE // Allows crayon drawings to overlap one another.
 
 
 /obj/effect/decal/cleanable/crayon/Initialize(mapload, main = "#FFFFFF", var/type = "rune1", var/e_name = "rune")

code/game/objects/items/crayons.dm

@@ -19,6 +19,7 @@
 	var/instant = 0
 	var/colourName = "red" //for updateIcon purposes
 	var/dat
+	var/busy = FALSE
 	var/list/validSurfaces = list(/turf/simulated/floor)
 
 /obj/item/toy/crayon/suicide_act(mob/user)
@@ -80,22 +81,25 @@
 
 /obj/item/toy/crayon/afterattack(atom/target, mob/user, proximity)
 	if(!proximity) return
+	if(busy) return
 	if(is_type_in_list(target,validSurfaces))
 		var/temp = "rune"
 		if(letters.Find(drawtype))
 			temp = "letter"
 		else if(graffiti.Find(drawtype))
 			temp = "graffiti"
-		to_chat(user, "You start drawing a [temp] on the [target.name].")
+		to_chat(user, "<span class='info'>You start drawing a [temp] on the [target.name].</span>")
+		busy = TRUE
 		if(instant || do_after(user, 50 * toolspeed, target = target))
 			var/obj/effect/decal/cleanable/crayon/C = new /obj/effect/decal/cleanable/crayon(target,colour,drawtype,temp)
 			C.add_hiddenprint(user)
-			to_chat(user, "You finish drawing [temp].")
+			to_chat(user, "<span class='info'>You finish drawing [temp].</span>")
 			if(uses)
 				uses--
 				if(!uses)
 					to_chat(user, "<span class='danger'>You used up your [name]!</span>")
 					qdel(src)
+		busy = FALSE
 
 /obj/item/toy/crayon/attack(mob/M, mob/user)
 	var/huffable = istype(src,/obj/item/toy/crayon/spraycan)