Adds Drafting Chalk (#6301)

* Chalktime

* Now more chalkable

* Now public access.

* typofix

* stfu lohikar god

* redundafix

* arrowfix

code/game/objects/items/draftingchalk.dm

@@ -0,0 +1,117 @@
+/obj/effect/decal/cleanable/draftingchalk
+	name = "chalk marking"
+	desc = "A line drawn in chalk."
+	icon = 'icons/obj/smooth/chalkline-smooth.dmi'
+	icon_state = "preview"
+	color = "#FFFFFF"
+	layer = 2.1
+	anchored = TRUE
+	smooth = SMOOTH_TRUE
+
+/obj/effect/decal/cleanable/draftingchalk/Initialize(mapload)
+	. = ..()
+	if (mapload)
+		queue_smooth(src)
+	else
+		smooth_icon(src)
+		for (var/obj/effect/decal/cleanable/draftingchalk/C in orange(1, src))
+			smooth_icon(C)
+
+/obj/item/weapon/pen/drafting
+	name = "white drafting chalk"
+	desc = "A piece of white chalk for marking areas of floor."
+	icon = 'icons/obj/crayons.dmi'
+	icon_state = "dchalk"
+	color = "#FFFFFF"
+	var/colorName = "whitec"
+
+/obj/item/weapon/pen/drafting/afterattack(turf/target, mob/user, proximity)
+	if (!proximity || !istype(target, /turf/simulated) || target.density || target.is_hole)
+		return
+
+	to_chat(user, "You start marking a line on [target].")
+
+	if (!do_after(user, 1 SECONDS, act_target = target))
+		return
+
+	for (var/obj/effect/decal/cleanable/draftingchalk/C in target)
+		qdel(C)
+
+	to_chat(user, "You mark a line on [target].")
+
+	var/obj/effect/decal/cleanable/draftingchalk/C = new(target)
+	C.color = color
+	target.add_fingerprint(user)
+
+/obj/item/weapon/pen/drafting/red
+	name = "red drafting chalk"
+	desc = "A piece of red chalk for marking areas of floor."
+	color = "#E75344"
+	colorName = "redc"
+
+/obj/effect/decal/cleanable/draftingchalk/red
+	desc = "A line drawn in a red chalk."
+	color = "#E75344"
+
+/obj/item/weapon/pen/drafting/yellow
+	name = "yellow drafting chalk"
+	desc = "A piece of yellow chalk for marking areas of floor."
+	color = "#E1CB47"
+	colorName = "yellowc"
+
+/obj/effect/decal/cleanable/draftingchalk/yellow
+	desc = "A line drawn in a yellow chalk."
+	color = "#E1CB47"
+
+/obj/item/weapon/pen/drafting/green
+	name = "green drafting chalk"
+	desc = "A piece of yellow chalk for marking areas of floor."
+	color = "#6CD48F"
+	colorName = "green"
+
+/obj/effect/decal/cleanable/draftingchalk/green
+	desc = "A line drawn in a green chalk."
+	color = "#6CD48F"
+
+/obj/item/weapon/pen/drafting/blue
+	name = "blue drafting chalk"
+	desc = "A piece of blue chalk for marking areas of floor."
+	color = "#9FC8F7"
+	colorName = "bluec"
+
+/obj/effect/decal/cleanable/draftingchalk/blue
+	desc = "A line drawn in a blue chalk."
+	color = "#9FC8F7"
+
+/obj/item/weapon/pen/drafting/purple
+	name = "purple drafting chalk"
+	desc = "A piece of purple chalk for marking areas of floor."
+	color = "#a489c2"
+	colorName = "purplec"
+
+/obj/effect/decal/cleanable/draftingchalk/purple
+	desc = "A line drawn in a purple chalk."
+	color = "#a489c2"
+
+/obj/item/weapon/storage/fancy/crayons/chalkbox
+	name = "box of drafting chalk"
+	desc = "A box of drafting chalk for drafting floor plans."
+	icon_state = "chalkbox"
+	icon_type = "chalk"
+	can_hold = list(
+		/obj/item/weapon/pen/drafting
+	)
+
+/obj/item/weapon/storage/fancy/crayons/chalkbox/fill()
+	new /obj/item/weapon/pen/drafting/red(src)
+	new /obj/item/weapon/pen/drafting(src)
+	new /obj/item/weapon/pen/drafting/yellow(src)
+	new /obj/item/weapon/pen/drafting/green(src)
+	new /obj/item/weapon/pen/drafting/blue(src)
+	new /obj/item/weapon/pen/drafting/purple(src)
+	update_icon()
+
+/obj/item/weapon/storage/fancy/crayons/chalkbox/update_icon()
+	cut_overlays()
+	for(var/obj/item/weapon/pen/drafting/chalk in contents)
+		add_overlay("[chalk.colorName]")