Adds H.E.C.K. suits, spraycan_paintable component, and reworks item's attackby()

code/datums/components/paintable.dm

@@ -0,0 +1,29 @@
+/datum/component/spraycan_paintable
+	var/current_paint
+
+/datum/component/spraycan_paintable/Initialize()
+	RegisterSignal(COMSIG_PARENT_ATTACKBY, .proc/Repaint)
+
+/datum/component/spraycan_paintable/Destroy()
+	RemoveCurrentCoat()
+	return ..()
+
+/datum/component/spraycan_paintable/proc/RemoveCurrentCoat()
+	var/atom/A = parent
+	A.remove_atom_colour(FIXED_COLOUR_PRIORITY, current_paint)
+
+/datum/component/spraycan_paintable/proc/Repaint(obj/item/toy/crayon/spraycan/spraycan, mob/living/user)
+	if(!istype(spraycan) || user.a_intent == INTENT_HARM)
+		return FALSE
+	. = TRUE
+	if(spraycan.is_capped)
+		to_chat(user, "<span class='warning'>Take the cap off first!</span>")
+		return
+	RemoveCurrentCoat()
+	if(spraycan.use_charges(user, 2))
+		var/colour = spraycan.paint_color
+		current_paint = colour
+		var/atom/A = parent
+		A.add_atom_colour(colour, FIXED_COLOUR_PRIORITY)
+		playsound(spraycan, 'sound/effects/spray.ogg', 5, 1, 5)
+		to_chat(user, "<span class='notice'>You spray [spraycan] on [A], painting it.</span>")