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/game/objects/structures/crates_lockers/closets.dm

@@ -446,7 +446,7 @@
 	if(T.density)
 		return
 	for(var/atom/A in T.contents)
-		if(A.density && istype(A, /obj/machinery/door))
+		if(A.density && isairlock(A))
 			return
 	UpdateTransparency(src, NewLoc)
 	forceMove(NewLoc)

code/game/objects/structures/mineral_doors.dm

@@ -22,6 +22,8 @@
 	var/open_sound = 'sound/effects/stonedoor_openclose.ogg'
 	var/close_sound = 'sound/effects/stonedoor_openclose.ogg'
 	var/damageSound = null
+	/// How much foam is on the door. Max 5 levels.
+	var/foam_level = 0
 
 /obj/structure/mineral_door/Initialize()
 	. = ..()
@@ -68,6 +70,8 @@
 /obj/structure/mineral_door/proc/try_to_operate(atom/user)
 	if(is_operating)
 		return
+	if(foam_level)
+		return
 	if(isliving(user))
 		var/mob/living/M = user
 		if(M.client)
@@ -216,3 +220,29 @@
 /obj/structure/mineral_door/wood/Initialize()
 	. = ..()
 	AddComponent(/datum/component/debris, DEBRIS_WOOD, -20, 10)
+
+#define MAX_FOAM_LEVEL 5
+// Adds foam to the airlock, which will block it from being opened
+/obj/structure/mineral_door/proc/foam_up()
+	if(!foam_level)
+		new /obj/structure/barricade/foam(get_turf(src))
+		foam_level++
+		return
+
+	if(foam_level == MAX_FOAM_LEVEL)
+		return
+
+	for(var/obj/structure/barricade/foam/blockage in loc.contents)
+		blockage.foam_level = min(++blockage.foam_level, 5)
+		// The last level will increase the integrity by 50 instead of 25
+		if(foam_level == 4)
+			blockage.obj_integrity += 50
+			blockage.max_integrity += 50
+		else
+			blockage.obj_integrity += 25
+			blockage.max_integrity += 25
+		foam_level++
+		blockage.icon_state = "foamed_[foam_level]"
+		blockage.update_icon_state()
+
+#undef MAX_FOAM_LEVEL

code/game/objects/structures/stool_bed_chair_nest/wheelchair.dm

@@ -76,7 +76,7 @@
 	if(!has_buckled_mobs())
 		return
 	var/mob/living/buckled_mob = buckled_mobs[1]
-	if(istype(A, /obj/machinery/door))
+	if(isairlock(A))
 		A.Bumped(buckled_mob)
 
 	if(propelled)