Adds Collapsible AM rifle. Createes new uplink entry (#3644)

* Adds Collapsible AM rifle, and adds case with parts and 5 shots to Uplink. Separates it and intended merc version, both costing default telecrystal amount. Does NOT make them antagonist type specific.

* Addresses review.

* Makes rifle case traitor/merc specific. Enables ability to have specific uplink items be available only for specific antags.

code/datums/uplink/uplink_items.dm

@@ -5,7 +5,7 @@ var/datum/uplink/uplink = new()
 	var/list/datum/uplink_item/items
 	var/list/datum/uplink_category/categories
 
-/datum/uplink/New()
+/datum/uplink/New(var/type)
 	items_assoc = list()
 	items = init_subtypes(/datum/uplink_item)
 	categories = init_subtypes(/datum/uplink_category)
@@ -38,7 +38,8 @@ var/datum/uplink/uplink = new()
 
 /datum/uplink_item/New()
 	..()
-	antag_roles = list()
+	if(!antag_roles)
+		antag_roles = list()
 
 
 

code/datums/uplink/visible_weapons.dm

@@ -99,10 +99,18 @@
 	item_cost = 40
 	path = /obj/item/weapon/gun/projectile/derringer
 
-/datum/uplink_item/item/visible_weapons/heavysniper
+/datum/uplink_item/item/visible_weapons/heavysnipermerc
 	name = "Anti-Materiel Rifle (14.5mm)"
 	item_cost = DEFAULT_TELECRYSTAL_AMOUNT
 	path = /obj/item/weapon/gun/projectile/heavysniper
+	antag_roles = list("Mercenary")
+
+/datum/uplink_item/item/visible_weapons/heavysnipertraitor
+	name = "Anti-Materiel Rifle (14.5mm)"
+	desc = "A convenient collapsible rifle for covert assassination. Comes with 4 shots and its own secure carrying case."
+	item_cost = DEFAULT_TELECRYSTAL_AMOUNT
+	path = /obj/item/weapon/storage/secure/briefcase/rifle
+	antag_roles = list("Traitor")
 
 /datum/uplink_item/item/visible_weapons/tommygun
 	name = "Tommygun (.45)" // We're keeping this because it's CLASSY. -Spades