Adds 90% of the stuff

code/modules/projectiles/ammunition/energy.dm

@@ -271,6 +271,14 @@
 	delay = 50
 	select_name = "snipe"
 
+/obj/item/ammo_casing/energy/emitter
+	projectile_type = /obj/item/projectile/beam/emitter
+	muzzle_flash_color = LIGHT_COLOR_GREEN
+	fire_sound = 'sound/weapons/emitter.ogg'
+	e_cost = 500 // about 28 shots on an engineering borg from a borging machine, assuming some power is used for lights / movement. May need to change.
+	delay = 3 SECONDS // Lasers fire every second
+	select_name = "emitter"
+
 /obj/item/ammo_casing/energy/bsg
 	projectile_type = /obj/item/projectile/energy/bsg
 	muzzle_flash_color = LIGHT_COLOR_DARKBLUE

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

@@ -141,6 +141,27 @@
 	name = "cyborg immolator cannon"
 	ammo_type = list(/obj/item/ammo_casing/energy/immolator/scatter/cyborg, /obj/item/ammo_casing/energy/immolator/strong/cyborg) // scatter is default, because it is more useful
 
+/obj/item/gun/energy/emitter
+	name = "mobile emitter"
+	desc = "An emitter someone removed from its base, and an attached to a power cell, to try to make a weapon."
+	icon_state = "lasercannon"
+	item_state = "laser"
+	w_class = WEIGHT_CLASS_BULKY
+	can_holster = FALSE
+	origin_tech = "combat=4;magnets=4;powerstorage=3"
+	ammo_type = list(/obj/item/ammo_casing/energy/emitter)
+	ammo_x_offset = 3
+
+/obj/item/gun/energy/emitter/cyborg
+	name = "mounted emitter"
+	desc = "An emitter mounted to your cyborg frame, draining charge from your cell."
+
+/obj/item/gun/energy/emitter/cyborg/newshot()
+	..()
+	robocharge()
+
+/obj/item/gun/energy/emitter/cyborg/emp_act()
+	return
 
 ////////Laser Tag////////////////////