Adds some new mech weaponry for the legion, changes the way mech decals are applied (#7534)

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

@@ -20,6 +20,20 @@
 		list(mode_name="2-round bursts", burst=2, fire_delay=null, move_delay=2,    burst_accuracy=list(1,0,0),       dispersion=list(0, 10, 15))
 		)
 
+/obj/item/gun/energy/blaster/mounted/mech
+	name = "rapidfire blaster"
+	desc = "An aged but reliable rapidfire blaster tuned to expel projectiles at high fire rates."
+	fire_sound = 'sound/weapons/laserstrong.ogg'
+	projectile_type = /obj/item/projectile/energy/blaster/heavy
+	burst = 5
+	burst_delay = 3
+	max_shots = 30
+	charge_cost = 100
+	use_external_power = TRUE
+	self_recharge = TRUE
+	recharge_time = 1.5
+	dispersion = list(3,6,9,12)
+
 /obj/item/gun/energy/blaster/revolver
 	name = "blaster revolver"
 	desc = "A robust eight-shot blaster.."
@@ -47,7 +61,6 @@
 	desc = "A robust, low in maintenance, eight-shot blaster. Perfect for self-defense purposes."
 
 /obj/item/gun/energy/blaster/carbine
-
 	name = "blaster carbine"
 	desc = "A short-barreled blaster carbine meant for easy handling and comfort when in combat."
 	icon_state = "blaster_carbine"

code/modules/projectiles/guns/projectile/rifle.dm

@@ -225,7 +225,6 @@
 	allowed_magazines = list(/obj/item/ammo_magazine/gauss)
 	icon_state = "gauss_thumper"
 	caliber = "gauss"
-	accuracy = 1
 	origin_tech = list(TECH_COMBAT = 3, TECH_MATERIAL = 2)
 	fire_sound = 'sound/weapons/railgun.ogg'
 	load_method = MAGAZINE
@@ -249,4 +248,20 @@
 		item_state = "gauss_thumper"
 
 	update_held_icon()
-	return
+	return
+
+/obj/item/gun/energy/gauss/mounted/mech
+	name = "heavy gauss cannon"
+	desc = "An outdated and power hungry gauss cannon, modified to deliver high explosive rounds at high velocities."
+	icon = 'icons/obj/gun.dmi'
+	icon_state = "gauss_thumper"
+	fire_sound = 'sound/weapons/railgun.ogg'
+	fire_delay = 30
+	charge_meter = 0
+	max_shots = 3
+	charge_cost = 500
+	projectile_type = /obj/item/projectile/bullet/gauss/highex
+	self_recharge = 1
+	use_external_power = 1
+	recharge_time = 12
+	needspin = FALSE

code/modules/projectiles/projectile/bullets.dm

@@ -329,6 +329,22 @@
 	muzzle_type = /obj/effect/projectile/muzzle/gauss
 	embed = 0
 
+/obj/item/projectile/bullet/gauss/highex
+	name ="high-ex shell"
+	damage = 10
+
+/obj/item/projectile/bullet/gauss/highex/on_impact(var/atom/A)
+	explosion(A, -1, 0, 2)
+	..()
+
+/obj/item/projectile/bullet/gauss/highex/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/bullet/cannonball
 	name = "cannonball"
 	icon_state = "cannonball"