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/datums/station_state.dm

@@ -52,7 +52,7 @@
 				if(!GR.broken)
 					grille += 1
 
-			else if(istype(O, /obj/machinery/door))
+			else if(isairlock(O))
 				door += 1
 
 			else if(istype(O, /obj/machinery))

code/datums/status_effects/debuffs.dm

@@ -1353,6 +1353,52 @@
 	new /obj/effect/abstract/bubblegum_rend_helper(get_turf(src), null, 10)
 	qdel(src)
 
+/datum/status_effect/c_foamed
+	id = "c_foamed up"
+	duration = 1 MINUTES
+	status_type = STATUS_EFFECT_REFRESH
+	tick_interval = 10 SECONDS
+	var/foam_level = 1
+	var/mutable_appearance/foam_overlay
+
+/datum/status_effect/c_foamed/on_apply()
+	. = ..()
+	foam_overlay = mutable_appearance('icons/obj/foam_blobs.dmi', "foamed_1")
+	owner.add_overlay(foam_overlay)
+	owner.next_move_modifier *= 1.5
+	owner.Slowed(10 SECONDS, 1.5)
+
+/datum/status_effect/c_foamed/Destroy()
+	if(owner)
+		owner.cut_overlay(foam_overlay)
+		owner.next_move_modifier /= 1.5
+
+	QDEL_NULL(foam_overlay)
+	return ..()
+
+/datum/status_effect/c_foamed/tick()
+	. = ..()
+	if(--foam_level <= 0)
+		qdel(src)
+	refresh_overlay()
+
+/datum/status_effect/c_foamed/refresh()
+	. = ..()
+	// Our max slow is 50 seconds
+	foam_level = min(foam_level + 1, 5)
+
+	refresh_overlay()
+
+	if(foam_level == 5)
+		owner.Paralyse(4 SECONDS)
+
+/datum/status_effect/c_foamed/proc/refresh_overlay()
+	// Refresh overlay
+	owner.cut_overlay(foam_overlay)
+	QDEL_NULL(foam_overlay)
+	foam_overlay = mutable_appearance('icons/obj/foam_blobs.dmi', "foamed_[foam_level]")
+	owner.add_overlay(foam_overlay)
+
 /datum/status_effect/judo_armbar
 	id = "armbar"
 	duration = 5 SECONDS

code/datums/uplink_items/uplink_general.dm

@@ -668,6 +668,13 @@ GLOBAL_LIST_INIT(uplink_items, subtypesof(/datum/uplink_item))
 	item = /obj/item/organ_extractor
 	cost = 20
 
+/datum/uplink_item/device_tools/c_foam_launcher
+	name = "C-Foam Launcher"
+	desc = "A gun that shoots blobs of foam. Will block airlocks, and slow down humanoids. Not rated for xenomorph usage."
+	reference = "CFOAM"
+	item = /obj/item/gun/projectile/c_foam_launcher
+	cost = 25
+
 /datum/uplink_item/device_tools/tar_spray
 	name = "Sticky Tar Applicator"
 	desc = "A spray bottle containing an extremely viscous fluid that will leave behind tar whenever it is sprayed, greatly slowing down anyone who tries to walk over it. \