Adds: The C-Foam launcher (#25738)

* The start

* Getting a bit further

* Slight ammo casing update

* Istype helper and foam blockage

* Adds status effect

* Foam blockage and status effect fixes

* Autolathe ammo + stun

* aaaaaaaa

* Adds uplink item

* Actual slowdown

* Makes attacking a bit faster again

* Ammo increase to 12

* Sirryan review

* Adds sprites - almost working

* Lots of fixes + mineral doors

* Mineral doors don't open with foam

code/modules/mob/living/carbon/carbon_defense.dm

@@ -76,3 +76,7 @@
 	if(!affecting) //bruh where's your chest
 		return FALSE
 	apply_damage(damage, BRUTE, affecting)
+
+// Adds the foam status effect to the carbon, which will slow it's movement speed and attack speed
+/mob/living/carbon/proc/foam_up(amount)
+	apply_status_effect(STATUS_EFFECT_C_FOAMED)

code/modules/projectiles/ammunition/ammo_casings.dm

@@ -508,3 +508,12 @@
 	muzzle_flash_range = MUZZLE_FLASH_RANGE_NORMAL
 	muzzle_flash_color = LIGHT_COLOR_DARKRED
 	icon_state = "lasercasing"
+
+/obj/item/ammo_casing/caseless/c_foam
+	name = "\improper C-Foam blob"
+	desc = "You shouldn't see this! Make an issue report on Github!"
+	caliber = "c_foam"
+	projectile_type = /obj/item/projectile/c_foam
+	muzzle_flash_strength = MUZZLE_FLASH_RANGE_WEAK
+	muzzle_flash_range = MUZZLE_FLASH_RANGE_WEAK
+	muzzle_flash_color = LIGHT_COLOR_DARKRED

code/modules/projectiles/ammunition/magazines.dm

@@ -624,3 +624,13 @@
 
 /obj/item/ammo_box/magazine/detective/speedcharger/attackby()
 	return
+
+/obj/item/ammo_box/magazine/c_foam
+	name = "\improper C-Foam canister"
+	desc = "A canister containing inert foam for the C-Foam launcher."
+	icon_state = "foam_canister"
+	ammo_type = /obj/item/ammo_casing/caseless/c_foam
+	max_ammo = 12
+
+/obj/item/ammo_box/magazine/c_foam/attack_self(mob/user)
+	return

code/modules/projectiles/projectile/magic_projectiles.dm

@@ -149,7 +149,7 @@
 	else if(isturf(T) && T.density)
 		if(!(istype(T, /turf/simulated/wall/indestructible)))
 			CreateDoor(T)
-	else if(istype(target, /obj/machinery/door))
+	else if(isairlock(target))
 		OpenDoor(target)
 	else if(istype(target, /obj/structure/closet))
 		OpenCloset(target)

code/modules/research/designs/autolathe_designs.dm

@@ -729,7 +729,6 @@
 	build_path = /obj/item/flamethrower/full
 	category = list("hacked", "Security")
 
-
 /datum/design/electropack
 	name = "Electropack"
 	id = "electropack"
@@ -842,6 +841,14 @@
 	build_path = /obj/item/ammo_box/c9mm
 	category = list("hacked", "Security")
 
+/datum/design/c_foam_ammo
+	name = "C-Foam cartridge"
+	id = "c_foam"
+	build_type = AUTOLATHE
+	materials = list(MAT_METAL = 5000, MAT_GLASS = 2000)
+	build_path = /obj/item/ammo_box/magazine/c_foam
+	category = list("hacked", "Security")
+
 /datum/design/cleaver
 	name = "Butcher's Cleaver"
 	id = "cleaver"

code/modules/vehicle/vehicle.dm

@@ -209,7 +209,7 @@
 		return FALSE
 	. = ..()
 	if(auto_door_open)
-		if(istype(M, /obj/machinery/door) && has_buckled_mobs())
+		if(isairlock(M) && has_buckled_mobs())
 			for(var/m in buckled_mobs)
 				M.Bumped(m)