Lawgiver reinstated

Adds back in Lawgiver, the lawgiver lockbox and the ability to create
them in research.

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

@@ -0,0 +1,94 @@
+/obj/item/weapon/gun/energy/lawgiver
+	name = "Lawgiver Mk II"
+	desc = "A highly advanced firearm for the modern police force. It has multiple voice-activated firing modes."
+	icon_state = "lawgiver"
+	item_state = "gun"
+	fire_sound = 'sound/weapons/Gunshot_smg.ogg'
+	fire_delay = 3
+	recoil = 1
+
+
+	projectile_type = /obj/item/projectile/bullet/pistol
+	origin_tech = "combat=6;magnets=5"
+
+	var/ammomode = 0
+	var/dna	//dna-locking the firearm
+
+	proc/hear(message, source as mob)
+		return
+
+
+	/obj/item/weapon/gun/energy/lawgiver/attack_self(mob/user)
+		if(dna != null)
+			return
+		else
+			src.dna = user.dna.unique_enzymes
+			user << "\blue You feel your palm heat up as the gun reads your DNA profile."
+			desc += "<br>Linked to: [user.real_name]"
+
+	Fire(atom/target as mob|obj|turf|area, mob/living/user as mob|obj, params, reflex = 0)
+		if(src.dna != user.dna.unique_enzymes)
+			user << "\red You hear a soft beep from the gun and 'ID FAIL' flashes across the screen."
+			playsound(user, 'sound/weapons/smg_empty_alarm.ogg', 40, 1)
+			user << "<span class='danger'>[src] blows up in your face!</span>"
+			explosion(get_turf(user), 0, 0, 1, rand(1,2))
+			user.drop_item()
+			del(src)
+			return 0
+		..()
+
+
+	hear_talk(mob/living/M in range(0,src), msg)
+		hear(msg)
+		return
+
+	hear(var/msg)
+		var/list/replacechars = list("'" = "","\"" = "",">" = "","<" = "","(" = "",")" = ""," " = "")
+		msg = sanitize_old(msg, replacechars)
+		if(findtext(msg,"singleshot") && (src.dna==usr.dna.unique_enzymes) && (src in usr.contents))
+			ammomode = 0
+			charge_cost = 50
+			fire_sound = 'sound/weapons/Gunshot_smg.ogg'
+			usr << "\red [src.name] is now set to single shot mode."
+			projectile_type = /obj/item/projectile/bullet/pistol
+			fire_delay = 3
+			burst_delay = 0
+			recoil = 1
+		else if(findtext(msg,"rapidfire") && (src.dna==usr.dna.unique_enzymes) && (src in usr.contents))
+			ammomode = 1
+			charge_cost = 50
+			fire_sound = 'sound/weapons/Gunshot_smg.ogg'
+			usr << "\red [src.name] is now set to rapid fire mode."
+			projectile_type = /obj/item/projectile/bullet/pistol
+			fire_delay = 1
+			burst_delay = 0
+			recoil = 2
+		else if(findtext(msg,"highex") && (src.dna==usr.dna.unique_enzymes) && (src in usr.contents))
+			ammomode = 2
+			charge_cost = 200
+			fire_sound = 'sound/effects/Explosion1.ogg'
+			usr << "\red [src.name] is now set to high explosive mode."
+			projectile_type = /obj/item/projectile/bullet/gyro/law
+			fire_delay = 6
+			burst_delay = 0
+			recoil = 3
+		else if(findtext(msg,"stun") && (src.dna==usr.dna.unique_enzymes) && (src in usr.contents))
+			ammomode = 3
+			charge_cost = 50
+			fire_sound = 'sound/weapons/Taser.ogg'
+			usr << "\red [src.name] is now set to stun mode."
+			projectile_type = /obj/item/projectile/energy/electrode
+			fire_delay = 4
+			burst_delay = 0
+			recoil = 0
+		else if(findtext(msg,"hotshot") && (src.dna==usr.dna.unique_enzymes) && (src in usr.contents))
+			ammomode = 4
+			charge_cost = 200
+			fire_sound = 'sound/weapons/lasercannonfire.ogg'
+			usr << "\red [src.name] is now set to incendiary mode."
+			projectile_type = /obj/item/projectile/bullet/shotgun
+			fire_delay = 6
+			burst_delay = 0
+			recoil = 1
+		else
+			return

code/modules/projectiles/projectile/special.dm

@@ -24,6 +24,19 @@
 		explosion(target, -1, 0, 2)
 		return 1
 
+/obj/item/projectile/bullet/gyro/law
+	name ="high-ex round"
+	icon_state= "bolter"
+	damage = 15
+	
+	on_hit(var/atom/target, var/blocked = 0)
+		explosion(target, -1, 0, 2)
+		sleep(0)
+		var/obj/T = target
+		var/throwdir = get_dir(firer,target)
+		T.throw_at(get_edge_target_turf(target, throwdir),3,3)
+		return 1
+
 /obj/item/projectile/temp
 	name = "freeze beam"
 	icon_state = "ice_2"