Adds a pry var to objects, which checks if the obj can open doors

code/game/gamemodes/changeling/powers/armblade.dm

@@ -32,6 +32,7 @@
 	force = 40
 	sharp = 1
 	edge = 1
+	pry = 1
 	anchored = 1
 	throwforce = 0 //Just to be on the safe side
 	throw_range = 0

code/game/machinery/doors/airlock.dm

@@ -727,7 +727,7 @@ About the new airlock wires panel:
 	update_icon()
 	return 1
 
-/obj/machinery/door/airlock/attackby(C as obj, mob/user as mob)
+/obj/machinery/door/airlock/attackby(obj/C as obj, mob/user as mob)
 	//world << text("airlock attackby src [] obj [] mob []", src, C, user)
 	if(!istype(usr, /mob/living/silicon))
 		if(src.isElectrified())
@@ -810,7 +810,7 @@ About the new airlock wires panel:
 				spawn(0)	close(1)
 
 	// Check if we're using a crowbar or armblade, and if the airlock's unpowered for whatever reason (off, broken, etc).
-	else if( (istype(C, /obj/item/weapon/material/twohanded/fireaxe) || istype(C, /obj/item/weapon/melee/arm_blade) ) && !arePowerSystemsOn())
+	else if((C.pry == 1) && !arePowerSystemsOn())
 		if(locked)
 			user << "<span class='notice'>The airlock's bolts prevent it from being forced.</span>"
 		else if( !welded && !operating )

code/game/machinery/doors/blast_door.dm

@@ -90,7 +90,7 @@
 // This only works on broken doors or doors without power. Also allows repair with Plasteel.
 /obj/machinery/door/blast/attackby(obj/item/weapon/C as obj, mob/user as mob)
 	src.add_fingerprint(user)
-	if(istype(C, /obj/item/weapon/crowbar) || istype(C, /obj/item/weapon/material/twohanded/fireaxe) || istype(C, /obj/item/weapon/melee/arm_blade))
+	if(C.pry == 1)
 		if(istype(C,/obj/item/weapon/material/twohanded/fireaxe))
 			var/obj/item/weapon/material/twohanded/fireaxe/F = C
 			if(!F.wielded)

code/game/machinery/doors/firedoor.dm

@@ -235,7 +235,7 @@
 		user << "<span class='danger'>\The [src] is welded shut!</span>"
 		return
 
-	if(istype(C, /obj/item/weapon/crowbar) || istype(C,/obj/item/weapon/material/twohanded/fireaxe) || istype(C, /obj/item/weapon/melee/arm_blade))
+	if(C.pry == 1)
 		if(operating)
 			return
 

code/game/objects/items/weapons/material/twohanded.dm

@@ -93,6 +93,22 @@
 	attack_verb = list("attacked", "chopped", "cleaved", "torn", "cut")
 	applies_material_colour = 0
 
+/obj/item/weapon/material/twohanded/fireaxe/update_held_icon()
+	var/mob/living/M = loc
+	if(istype(M) && !issmall(M) && M.item_is_in_hands(src) && !M.hands_are_full())
+		wielded = 1
+		pry = 1
+		force = force_wielded
+		name = "[base_name] (wielded)"
+		update_icon()
+	else
+		wielded = 0
+		pry = 0
+		force = force_unwielded
+		name = "[base_name]"
+	update_icon()
+	..()
+
 /obj/item/weapon/material/twohanded/fireaxe/afterattack(atom/A as mob|obj|turf|area, mob/user as mob, proximity)
 	if(!proximity) return
 	..()

code/game/objects/items/weapons/tools.dm

@@ -413,6 +413,7 @@
 	slot_flags = SLOT_BELT
 	force = 5.0
 	throwforce = 7.0
+	pry = 1
 	item_state = "crowbar"
 	w_class = 2.0
 	origin_tech = list(TECH_ENGINEERING = 1)

code/game/objects/objs.dm

@@ -7,6 +7,7 @@
 	var/throwforce = 1
 	var/sharp = 0		// whether this object cuts
 	var/edge = 0		// whether this object is more likely to dismember
+	var/pry = 0			//Used in attackby() to open doors
 	var/in_use = 0 // If we have a user using us, this will be set on. We will check if the user has stopped using us, and thus stop updating and LAGGING EVERYTHING!
 	var/damtype = "brute"
 	var/armor_penetration = 0