Updated SSgarbage (#18173)

* pain

* sadfas

* sdfa

* sdfasf

* sfa

* sdf

* might the lord have mercy on our soul

* i cri everidai

* adeste fideles

* sdf

* where will this lead, what's coming next, from your inventions

* dear lord

* gjvhk

* i cri everidai

* fsgf

* sdfa

* sdaf

* hiuhi

code/modules/overmap/contacts/_contacts.dm

@@ -109,5 +109,5 @@
 	marker = null
 	radar = null
 
-	QDEL_NULL_LIST(images)
+	QDEL_LIST(images)
 	. = ..()

code/modules/overmap/ship_weaponry/_ship_gun.dm

@@ -49,6 +49,7 @@
 	destroy_dummies()
 	ammunition.Cut()
 	barrel = null
+	LAZYREMOVE(linked?.ship_weapons, src)
 	return ..()
 
 /obj/machinery/ship_weapon/ex_act(severity)

code/modules/overmap/ship_weaponry/weaponry/leviathan.dm

@@ -288,6 +288,27 @@
 	..()
 	return INITIALIZE_HINT_LATELOAD
 
+/obj/machinery/leviathan_safeguard/LateInitialize()
+	if(current_map.use_overmap && !linked)
+		var/my_sector = GLOB.map_sectors["[z]"]
+		if (istype(my_sector, /obj/effect/overmap/visitable))
+			attempt_hook_up(my_sector)
+	if(linked)
+		ASSERT(isnull(linked.levi_safeguard)) //There should only ever be one
+		linked.levi_safeguard = src
+	for(var/obj/machinery/leviathan_button/LB in range(3, src))
+		if(istype(LB))
+			button = LB
+
+/obj/machinery/leviathan_safeguard/Destroy()
+	if(linked)
+		linked.levi_safeguard = null
+
+	QDEL_NULL(key)
+	button = null
+
+	. = ..()
+
 /obj/machinery/leviathan_safeguard/ex_act(severity)
 	return
 
@@ -296,22 +317,6 @@
 
 	return
 
-/obj/machinery/leviathan_safeguard/Destroy()
-	QDEL_NULL(key)
-	button = null
-	return ..()
-
-/obj/machinery/leviathan_safeguard/LateInitialize()
-	if(current_map.use_overmap && !linked)
-		var/my_sector = GLOB.map_sectors["[z]"]
-		if (istype(my_sector, /obj/effect/overmap/visitable))
-			attempt_hook_up(my_sector)
-	if(linked)
-		linked.levi_safeguard = src
-	for(var/obj/machinery/leviathan_button/LB in range(3, src))
-		if(istype(LB))
-			button = LB
-
 /obj/machinery/leviathan_safeguard/proc/open()
 	opened = TRUE
 	flick("safeguard_opening", src)