From 5f41e337fdf0703dbf9c5eaa3bbb820e172873ee Mon Sep 17 00:00:00 2001
From: Citinited <kendo123@hotmail.co.uk>
Date: Fri, 7 Jul 2017 12:21:00 +0100
Subject: [PATCH] Firedoors can't be welded while open and can't open if
 they're welded

---
 code/game/machinery/doors/firedoor.dm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/code/game/machinery/doors/firedoor.dm b/code/game/machinery/doors/firedoor.dm
index bda658ef128..0f397a51dbb 100644
--- a/code/game/machinery/doors/firedoor.dm
+++ b/code/game/machinery/doors/firedoor.dm
@@ -59,7 +59,9 @@
 	if(operating)
 		return
 
-	if(istype(C, /obj/item/weapon/weldingtool))
+	if(iswelder(C))
+		if(!density)
+			return
 		var/obj/item/weapon/weldingtool/W = C
 		if(W.remove_fuel(0, user))
 			welded = !welded
@@ -169,6 +171,8 @@
 	update_icon()
 
 /obj/machinery/door/firedoor/open(auto_close = TRUE)
+	if(welded)
+		return
 	. = ..()
 	latetoggle(auto_close)