Grenade Launcher Addition

code/__DEFINES/~darkpack/guns.dm

@@ -10,3 +10,4 @@
 #define CALIBER_CROSSBOWBOLT "bolt"
 #define CALIBER_762NATO "7.62x51mm NATO"
 #define CALIBER_75BALL ".75 ball"
+#define CALIBER_GRENADE "grenade"

modular_darkpack/modules/ert/code/outfits/national_guard_outfits.dm

@@ -72,14 +72,15 @@
 	head = /obj/item/clothing/head/vampire/eod
 	id = /obj/item/card/swat
 	backpack_contents = list(
-		/obj/item/grenade/frag = 1,
-		/obj/item/grenade/flashbang = 1,
-		/obj/item/grenade/smokebomb = 1,
-		/obj/item/molotov = 1,
+		/obj/item/ammo_casing/vampire/c40mm = 1,
+		/obj/item/ammo_casing/vampire/c40mm/incendiary = 1,
+		/obj/item/ammo_casing/vampire/c40mm/smoke = 1,
+		/obj/item/ammo_casing/vampire/c40mm/flashbang = 1,
 		/obj/item/gun/ballistic/automatic/darkpack/uzi = 1,
+		/obj/item/ammo_casing/vampire/c9mm = 1,
 		/obj/item/liquid_flamethrower = 1,
 	)
-	r_hand = /obj/item/gun/ballistic/revolver/grenadelauncher
+	r_hand = /obj/item/gun/ballistic/shotgun/darkpack/grenadelauncher
 
 /datum/outfit/job/vampire/ert/national_guard/marksman
 	name = "National Guard Marksman"

modular_darkpack/modules/weapons/code/ammo_boxes.dm

@@ -184,3 +184,34 @@
 	name = "cartriage bag (.75 silver ball)"
 	ammo_type = /obj/item/ammo_casing/vampire/c75/silver
 
+//40mm grenade launcher rounds
+/obj/item/ammo_box/darkpack/c40mm
+	name = "explosive ammo box (40mm)"
+	icon_state = "explosive_box"
+	ammo_type = /obj/item/ammo_casing/vampire/c40mm/explosive
+	max_ammo = 6
+
+/obj/item/ammo_box/darkpack/c40mm/baton
+	name = "rubber baton ammo box (40mm)"
+	icon_state = "baton_box"
+	ammo_type = /obj/item/ammo_casing/vampire/c40mm/baton
+
+/obj/item/ammo_box/darkpack/c40mm/incendiary
+	name = "incendiary ammo box (40mm)"
+	icon_state = "incen_box"
+	ammo_type = /obj/item/ammo_casing/vampire/c40mm/incendiary
+
+/obj/item/ammo_box/darkpack/c40mm/flashbang
+	name = "flashbang ammo box (40mm)"
+	icon_state = "flash_box"
+	ammo_type = /obj/item/ammo_casing/vampire/c40mm/flashbang
+
+/obj/item/ammo_box/darkpack/c40mm/teargas
+	name = "teargas ammo box (40mm)"
+	icon_state = "teargas_box"
+	ammo_type = /obj/item/ammo_casing/vampire/c40mm/teargas
+
+/obj/item/ammo_box/darkpack/c40mm/smoke
+	name = "smoke ammo box (40mm)"
+	icon_state = "smoke_box"
+	ammo_type = /obj/item/ammo_casing/vampire/c40mm/smoke

modular_darkpack/modules/weapons/code/ammo_casings.dm

@@ -203,3 +203,53 @@
 	projectile_type = /obj/projectile/bullet/darkpack/vamp75/silver
 	icon_state = "scartridge"
 	base_icon_state = "scartridge"
+
+/obj/item/ammo_casing/vampire/c40mm
+	name = "40mm casing"
+	desc = "A 40mm casing."
+	caliber = CALIBER_GRENADE
+	projectile_type = /obj/projectile/bullet/darkpack/c40mm
+	icon_state = "explosive_slug"
+	base_icon_state = "explosive_slug"
+
+/obj/item/ammo_casing/vampire/c40mm/incendiary
+	name = "40mm incendiary casing"
+	desc = "A 40mm incendiary casing."
+	projectile_type = /obj/projectile/bullet/darkpack/c40mm/incendiary
+	icon_state = "incendiary_slug"
+	base_icon_state = "incendiary_slug"
+
+/obj/item/ammo_casing/vampire/c40mm/explosive
+	name = "40mm explosive casing"
+	desc = "A 40mm explosive casing."
+	projectile_type = /obj/projectile/bullet/darkpack/c40mm/explosive
+	icon_state = "explosive_slug"
+	base_icon_state = "explosive_slug"
+
+/obj/item/ammo_casing/vampire/c40mm/teargas
+	name = "40mm teargas casing"
+	desc = "A 40mm teargas casing."
+	projectile_type = /obj/projectile/bullet/darkpack/c40mm/teargas
+	icon_state = "teargas_slug"
+	base_icon_state = "teargas_slug"
+
+/obj/item/ammo_casing/vampire/c40mm/smoke
+	name = "40mm smoke casing"
+	desc = "A 40mm smoke casing."
+	projectile_type = /obj/projectile/bullet/darkpack/c40mm/smoke
+	icon_state = "smoke_slug"
+	base_icon_state = "smoke_slug"
+
+/obj/item/ammo_casing/vampire/c40mm/flashbang
+	name = "40mm flashbang casing"
+	desc = "A 40mm flashbang casing."
+	projectile_type = /obj/projectile/bullet/darkpack/c40mm/flashbang
+	icon_state = "flashbang_slug"
+	base_icon_state = "flashbang_slug"
+
+/obj/item/ammo_casing/vampire/c40mm/baton
+	name = "40mm baton casing"
+	desc = "A 40mm baton casing."
+	projectile_type = /obj/projectile/bullet/darkpack/c40mm/baton
+	icon_state = "baton_slug"
+	base_icon_state = "baton_slug"

modular_darkpack/modules/weapons/code/guns.dm

@@ -912,3 +912,41 @@
 	spread = 25		//+25 from sawing off anyway, good fucking luck
 	w_class = WEIGHT_CLASS_NORMAL
 	slot_flags = ITEM_SLOT_BACK | ITEM_SLOT_BELT
+
+/obj/item/ammo_box/magazine/internal/vampire/grenadelauncher
+	name = "grenade launcher internal magazine"
+	ammo_type = /obj/item/ammo_casing/vampire/c40mm
+	caliber = CALIBER_GRENADE
+	max_ammo = 1
+	start_empty = TRUE
+
+// It's dumb but we path it as a shotgun so it can hold its internal rounds like a proper break-action.
+/obj/item/gun/ballistic/shotgun/darkpack/grenadelauncher
+	name = "break-action grenade launcher"
+	desc = "A break action grenade launcher, designed to fire 40mm grenades. Not suggested to aim for heads or knees."
+	icon = 'modular_darkpack/modules/deprecated/icons/48x32.dmi'
+	lefthand_file = 'modular_darkpack/modules/deprecated/icons/lefthand.dmi'
+	righthand_file = 'modular_darkpack/modules/deprecated/icons/righthand.dmi'
+	ONFLOOR_ICON_HELPER('modular_darkpack/modules/weapons/icons/weapons_onfloor.dmi')
+	inhand_x_dimension = 32
+	inhand_y_dimension = 32
+	base_icon_state = "gl"
+	icon_state = "gl"
+	inhand_icon_state = "gl"
+	worn_icon_state = "gl"
+	accepted_magazine_type = /obj/item/ammo_box/magazine/internal/vampire/grenadelauncher
+	fire_sound = 'sound/items/weapons/gun/general/grenade_launch.ogg'
+	vary_fire_sound = FALSE
+	fire_delay = 10
+	recoil = 5
+	spread = 2
+	w_class = WEIGHT_CLASS_HUGE
+	slot_flags = ITEM_SLOT_BACK
+	bolt_type = BOLT_TYPE_NO_BOLT
+	can_muzzle_flash = FALSE		//Not a regular projectile weapon, no flash
+	serial_shown = FALSE			//No serial, doesn't need it.
+
+// For the break-action sprite update
+/obj/item/gun/ballistic/shotgun/darkpack/grenadelauncher/update_icon_state()
+	. = ..()
+	icon_state = "[base_icon_state][!chambered ? "_empty" : ""]"

modular_darkpack/modules/weapons/code/projectiles.dm

@@ -191,7 +191,7 @@
 	damage = 45
 	armour_penetration = 75
 	exposed_wound_bonus = 30
-	wound_bonus = 30 //We're gonna make this hurt as much as possible. 
+	wound_bonus = 30 //We're gonna make this hurt as much as possible.
 	sharpness = SHARP_POINTY
 	embed_type = /datum/embedding/crossbolt //YEEEEOUCH!!!!
 
@@ -247,3 +247,94 @@
 /obj/projectile/bullet/darkpack/vamp75/silver/on_hit(atom/target, blocked = FALSE, pierce_hit)
 	. = ..()
 	fera_silver_damage(target, 5) //Same as silver longsword; it's a solid silver ball. As the founding fathers intended.
+
+/obj/projectile/bullet/darkpack/c40mm
+	name = "40mm grenade"
+	damage = 5
+	stamina = 50
+	armour_penetration = 0
+	exposed_wound_bonus = 5
+	wound_bonus = 5
+	range = 10			//Avoids issue where a grenade travels across the map
+	can_hit_turfs = TRUE
+
+	//Variable for devistation range, this can gib corpses and destroy floor plating/walls. Very strong, avoid increasing unless needed.
+	var/explosive_devastation_range = 0
+	//Heavy explosion range, this should be used for epicenter. More severly injures mobs than a light explosion.
+	var/explosive_heavy_range = 0
+	//Standard explosion range, this damages and throws mobs around. Can damage stuff but won't do what devistation does.
+	var/explosive_light_range = 0
+	//Flash range, self explanitory. It's for flashbang rounds.
+	var/explosive_flash_range = 0
+	//Fire range, self explanitory. It's for the fireball the incindary round makes.
+	var/explosive_fire_range = 0
+	//For if the explosive creates a smoke plume or not.
+	var/smoke_effect = FALSE
+	//For if the explosive is silent or not. (Ex - smoke grenade, flashbang, etc. They are 'explosive' but not like a bomb.)
+	var/explosive_sound = FALSE
+
+/obj/projectile/bullet/darkpack/c40mm/on_hit(atom/target, blocked = 0, pierce_hit)
+	..()
+	if(explosive_light_range || explosive_fire_range || explosive_flash_range)
+		explosion(target, devastation_range = explosive_devastation_range, heavy_impact_range = explosive_heavy_range, light_impact_range = explosive_light_range, flame_range = explosive_fire_range, flash_range = explosive_flash_range, silent = explosive_sound, smoke = smoke_effect, adminlog = TRUE, explosion_cause = src)
+	return BULLET_ACT_HIT
+
+/obj/projectile/bullet/darkpack/c40mm/explosive
+	name = "40mm explosive"
+	//explosive_heavy_range = 2		- Don't use this for now, it causes flooring to get destroyed.
+	explosive_light_range = 4
+	explosive_flash_range = 2
+	explosive_fire_range = 2
+	smoke_effect = TRUE
+	explosive_sound = TRUE
+
+/obj/projectile/bullet/darkpack/c40mm/incendiary
+	name = "40mm incendiary"
+	explosive_light_range = 2
+	explosive_flash_range = 3
+	explosive_fire_range = 4
+	smoke_effect = TRUE
+	explosive_sound = TRUE
+
+/obj/projectile/bullet/darkpack/c40mm/incendiary/on_hit(atom/target, blocked = 0, pierce_hit)
+	. = ..()
+	if(iscarbon(target))
+		var/mob/living/carbon/victim = target
+		victim.adjust_fire_stacks(7)
+		victim.ignite_mob()
+
+/obj/projectile/bullet/darkpack/c40mm/teargas
+	name = "40mm teargas"
+
+/obj/projectile/bullet/darkpack/c40mm/teargas/Initialize(mapload)
+	. = ..()
+	AddElement(/datum/element/projectile_drop, /obj/item/grenade/chem_grenade/teargas/instant)
+
+/obj/projectile/bullet/darkpack/c40mm/smoke
+	name = "40mm smoke"
+
+/obj/projectile/bullet/darkpack/c40mm/smoke/Initialize(mapload)
+	. = ..()
+	AddElement(/datum/element/projectile_drop, /obj/item/grenade/smokebomb/instant)
+
+/obj/item/grenade/smokebomb/instant/Initialize(mapload)
+	. = ..()
+	if(detonate())
+		return INITIALIZE_HINT_QDEL
+
+/obj/projectile/bullet/darkpack/c40mm/flashbang
+	name = "40mm flashbang"
+	explosive_flash_range = 2
+	explosive_light_range = 1
+	smoke_effect = TRUE
+
+// Only projectile of the family with no explosive element or effect
+/obj/projectile/bullet/darkpack/c40mm/baton
+	name = "40mm baton"
+	damage = 15		//LTL, not non-lethal
+	stamina = 120	//YOUCH!!!
+	armour_penetration = 0
+	exposed_wound_bonus = 5
+	wound_bonus = 5
+	range = 18	//longer range since no impact
+	can_hit_turfs = FALSE	//So it can travel past the screens edge; doesn't do anything to floors anyway.