game folder

code/game/turfs/turf.dm

@@ -21,9 +21,14 @@
 
 	var/explosion_level = 0	//for preventing explosion dodging
 	var/explosion_id = 0
-	
+
 	var/list/decals
 
+/turf/SDQL_update(const/var_name, new_value)
+	if(var_name == "x" || var_name == "y" || var_name == "z")
+		return FALSE
+	. = ..()
+
 /turf/New()
 	..()
 
@@ -189,7 +194,6 @@
 	W.explosion_level = old_ex_level
 	W.explosion_id = old_ex_id
 
-
 	if(!defer_change)
 		W.AfterChange(ignore_air)
 	W.blueprint_data = old_blueprint_data
@@ -203,6 +207,13 @@
 		for(var/obj/structure/cable/C in contents)
 			C.deconstruct()
 
+	//update firedoor adjacency
+	var/list/turfs_to_check = get_adjacent_open_turfs(src) | src
+	for(var/I in turfs_to_check)
+		var/turf/T = I
+		for(var/obj/machinery/door/firedoor/FD in T)
+			FD.CalculateAffectingAreas()
+
 	queue_smooth_neighbors(src)
 
 /turf/open/AfterChange(ignore_air)