Adds the mech tesla cannon (#24252)

* Adds the mech tesla cannon

* makes it not stun

* fixes a dumb

* fixes another dumb

* makes it not blow fucking doors up instantly

* corrects an oversight

* Revert "corrects an oversight"

This reverts commit 73c713a3649deee6945f005f3c14ec926c9559f2.

code/modules/projectiles/projectile/energy.dm

@@ -188,3 +188,24 @@
 /obj/item/projectile/energy/tesla_revolver/Destroy()
 	qdel(chain)
 	return ..()
+
+
+/obj/item/projectile/energy/tesla_cannon
+	name = "tesla bolt"
+	icon_state = "tesla_projectile"
+	impact_effect_type = /obj/effect/overlay/temp/impact_effect/blue_laser
+	var/chain
+
+/obj/item/projectile/energy/tesla_cannon/fire(setAngle)
+	if(firer)
+		chain = firer.Beam(src, icon_state = "lightning[rand(1, 12)]", time = INFINITY, maxdistance = INFINITY)
+	..()
+
+/obj/item/projectile/energy/tesla_cannon/on_hit(atom/target)
+	. = ..()
+	tesla_zap(src, 3, 10000, explosive = FALSE, stun_mobs = FALSE)
+	qdel(src)
+
+/obj/item/projectile/energy/tesla_cannon/Destroy()
+	qdel(chain)
+	return ..()

code/modules/research/designs/mecha_designs.dm

@@ -175,6 +175,17 @@
 	construction_time = 100
 	category = list("Exosuit Equipment")
 
+/datum/design/mech_tesla
+	name = "Exosuit Weapon (MKI Tesla Cannon)"
+	desc = "Allows for the construction of MKI Tesla Cannon."
+	id = "mech_tesla"
+	build_type = MECHFAB
+	req_tech = list("combat" = 6, "magnets" = 5, "materials" = 5)
+	build_path = /obj/item/mecha_parts/mecha_equipment/weapon/energy/tesla
+	materials = list(MAT_METAL=20000,MAT_SILVER=8000)
+	construction_time = 100
+	category = list("Exosuit Equipment")
+
 /datum/design/mech_laser
 	name = "Exosuit Weapon (CH-PS \"Immolator\" Laser)"
 	desc = "Allows for the construction of CH-PS Laser."