Makes special wizard projectile staffs only usable by wizards.

code/modules/projectiles/guns/energy/special.dm

@@ -117,6 +117,13 @@
 	self_recharge = 1
 	charge_meter = 0
 
+/obj/item/weapon/gun/energy/staff/special_check(var/mob/user)
+	if((user.mind && !wizards.is_antagonist(user.mind)))
+		usr << "<span class='warning'>You focus your mind on \the [src], but nothing happens!</span>"
+		return 0
+
+	return ..()
+
 /obj/item/weapon/gun/energy/staff/handle_click_empty(mob/user = null)
 	if (user)
 		user.visible_message("*fizzle*", "<span class='danger'>*fizzle*</span>")