Added flags for Mining and Xenoarch.

code/modules/mining/mine_items.dm

@@ -181,3 +181,70 @@
 	icon_opened = "miningcaropen"
 	icon_closed = "miningcar"
 
+// Flags.
+
+/obj/item/stack/flag
+	name = "flags"
+	desc = "Some colourful flags."
+	singular_name = "flag"
+	amount = 10
+	max_amount = 10
+	icon = 'icons/obj/mining.dmi'
+	var/upright = 0
+	var/base_state
+
+/obj/item/stack/flag/New()
+	..()
+	base_state = icon_state
+
+/obj/item/stack/flag/red
+	name = "red flags"
+	singular_name = "red flag"
+	icon_state = "redflag"
+
+/obj/item/stack/flag/yellow
+	name = "yellow flags"
+	singular_name = "yellow flag"
+	icon_state = "yellowflag"
+
+/obj/item/stack/flag/green
+	name = "green flags"
+	singular_name = "green flag"
+	icon_state = "greenflag"
+
+/obj/item/stack/flag/attackby(obj/item/W as obj, mob/user as mob)
+	if(upright && istype(W,src.type))
+		src.attack_hand(user)
+	else
+		..()
+
+/obj/item/stack/flag/attack_hand(user as mob)
+	if(upright)
+		upright = 0
+		icon_state = base_state
+		anchored = 0
+		src.visible_message("<b>[user]</b> knocks down [src].")
+	else
+		..()
+
+/obj/item/stack/flag/attack_self(mob/user as mob)
+
+	var/obj/item/stack/flag/F = locate() in get_turf(src)
+
+	var/turf/T = get_turf(src)
+	if(!T || !istype(T,/turf/simulated/floor/plating/airless/asteroid))
+		user << "The flag won't stand up in this terrain."
+		return
+
+	if(F && F.upright)
+		user << "There is already a flag here."
+		return
+
+	var/obj/item/stack/flag/newflag = new src.type(T)
+	newflag.amount = 1
+	newflag.upright = 1
+	anchored = 1
+	newflag.name = newflag.singular_name
+	newflag.icon_state = "[newflag.base_state]_open"
+	newflag.visible_message("<b>[user]</b> plants [newflag] firmly in the ground.")
+	src.use(1)