Adds the Izharshan Unathi Pirate ship (#15137)

code/modules/overmap/ship_weaponry/_ship_ammo_loader.dm

@@ -98,3 +98,6 @@
 
 /obj/structure/viewport/zavod
 	icon_state = "viewport_zavod"
+
+/obj/structure/viewport/unathi
+	icon_state = "viewport_unathi"

code/modules/overmap/ship_weaponry/weaponry/bruiser.dm

@@ -0,0 +1,53 @@
+/obj/machinery/ship_weapon/bruiser
+	name = "bruiser cannon II"
+	desc = "Among the Hegemony's earliest forays into ranged weaponry for their military ships, although obsolete nowadays, the Bruiser is popular among many Unathi sailors - including pirates - for its extreme simplicity, allowing it to fire handcraft ammo with minimal modification."
+	icon = 'icons/obj/machines/ship_guns/bruiser.dmi'
+	heavy_firing_sound = 'sound/weapons/gunshot/cannon.ogg'
+	icon_state = "weapon_base"
+	max_ammo = 1
+	projectile_type = /obj/item/projectile/ship_ammo/bruiser
+	caliber = SHIP_CALIBER_135MM
+	screenshake_type = SHIP_GUN_SCREENSHAKE_SCREEN
+
+/obj/machinery/ammunition_loader/bruiser
+	name = "bruiser ammunition loader"
+	icon_state = "ammo_loader_unathi"
+
+/obj/item/ship_ammunition/bruiser
+	name = "bruiser canister shell"
+	name_override = "canister shot"
+	desc = "A rough shell that should fit in a bruiser cannon. This one is filled with shot that causes wide damage, but must get through the hull first."
+	icon = 'icons/obj/guns/ship/ship_ammo_midshell.dmi'
+	icon_state = "shell_canister"
+	w_class = ITEMSIZE_LARGE
+	impact_type = SHIP_AMMO_IMPACT_FMJ
+	ammunition_flags = null
+	caliber = SHIP_CALIBER_135MM
+	burst = 11
+	cookoff_heavy = 0
+	overmap_icon_state = "flak"
+
+/obj/item/ship_ammunition/bruiser/get_speed()
+	return 35
+
+/obj/item/ship_ammunition/bruiser/flechette
+	name = "bruiser beehive shell"
+	name_override = "flechette burst"
+	desc = "A rough shell that should fit in a bruiser cannon. This one is filled with projectiles that easily get through the hull, but do little damage."
+	icon_state = "shell_flechette"
+	burst = 9
+	projectile_type_override = /obj/item/projectile/ship_ammo/bruiser/flechette
+
+/obj/item/projectile/ship_ammo/bruiser
+	name = "canister shot pellet"
+	icon_state = "small"
+	damage = 35
+	armor_penetration = 35
+	penetrating = 1
+
+/obj/item/projectile/ship_ammo/bruiser/flechette
+	name = "beehive flechette"
+	icon_state = "small_burst"
+	damage = 20
+	armor_penetration = 50
+	penetrating = 5