bugfixes

code/modules/vehicles/arc/arc.dm

@@ -1,5 +1,5 @@
 /obj/vehicle/multitile/arc
-	name = "M540-A Armored Recon Carrier"
+	name = "\improper M540-A Armored Recon Carrier"
 	desc = "An M540-A Armored Recon Carrier. A lightly armored reconnaissance and intelligence vehicle. Entrances on the sides."
 
 	icon = 'icons/obj/vehicles/arc.dmi'

code/modules/vehicles/hardpoints/hardpoint.dm

@@ -791,3 +791,7 @@
 
 /obj/item/hardpoint/get_applying_acid_time()
 	return 10 SECONDS //you are not supposed to be able to easily combat-melt irreplaceable things.
+
+/// Proc to be overridden if you want to have special conditions preventing the removal of the hardpoint. Add chat messages in this proc if you want to tell the player why
+/obj/item/hardpoint/proc/can_be_removed(mob/remover)
+	return TRUE

code/modules/vehicles/hardpoints/primary/arc_sentry.dm

@@ -46,11 +46,12 @@
 /obj/item/hardpoint/primary/arc_sentry/on_install(obj/vehicle/multitile/V)
 	. = ..()
 	RegisterSignal(owner, COMSIG_ARC_ANTENNA_TOGGLED, PROC_REF(toggle_processing))
+	toggle_processing() // We can't know that the antenna is in the same position as when the gun was removed
 
 /obj/item/hardpoint/primary/arc_sentry/on_uninstall(obj/vehicle/multitile/V)
 	. = ..()
 	UnregisterSignal(owner, COMSIG_ARC_ANTENNA_TOGGLED)
-	START_PROCESSING(SSfastobj, src)
+	STOP_PROCESSING(SSfastobj, src)
 
 /obj/item/hardpoint/primary/arc_sentry/Destroy()
 	STOP_PROCESSING(SSfastobj, src)
@@ -278,6 +279,17 @@
 
 	start_fire(object = sentry_target)
 
+/obj/item/hardpoint/primary/arc_sentry/can_be_removed(mob/remover)
+	var/obj/vehicle/multitile/arc/arc_owner = owner
+	if(!istype(arc_owner))
+		return TRUE
+
+	if(arc_owner.antenna_deployed)
+		to_chat(remover, SPAN_WARNING("[src] cannot be removed from [owner] while its antenna is deployed."))
+		return FALSE
+
+	return TRUE
+
 /obj/projectile/arc_sentry/Initialize(mapload, datum/cause_data/cause_data)
 	. = ..()
 	RegisterSignal(src, COMSIG_BULLET_POST_HANDLE_OBJ, PROC_REF(check_passthrough))

code/modules/vehicles/hardpoints/support/antenna.dm

@@ -70,3 +70,14 @@
 		else
 			I.color = null
 	return I
+
+/obj/item/hardpoint/support/arc_antenna/can_be_removed(mob/remover)
+	var/obj/vehicle/multitile/arc/arc_owner = owner
+	if(!istype(arc_owner))
+		return TRUE
+
+	if(arc_owner.antenna_deployed)
+		to_chat(remover, SPAN_WARNING("[src] cannot be removed from [owner] while its antenna is deployed."))
+		return FALSE
+
+	return TRUE

code/modules/vehicles/multitile/multitile_hardpoints.dm

@@ -158,6 +158,9 @@
 		to_chat(user, SPAN_WARNING("There is nothing installed there."))
 		return
 
+	if(!old.can_be_removed(user))
+		return
+
 	// It's in a holder
 	if(!(old in hardpoints))
 		for(var/obj/item/hardpoint/holder/H in hardpoints)