Fixes some other ghost interaction issues.

code/game/machinery/deployable.dm

@@ -137,7 +137,9 @@
 	actions_types = list(/datum/action/item_action/toggle_barrier_spread)
 	var/mode = SINGLE
 
-/obj/item/weapon/grenade/barrier/AltClick(mob/user)
+/obj/item/weapon/grenade/barrier/AltClick(mob/living/user)
+	if(!istype(user) || user.incapacitated())
+		return
 	toggle_mode(user)
 
 /obj/item/weapon/grenade/barrier/proc/toggle_mode(mob/user)

code/game/machinery/doppler_array.dm

@@ -48,9 +48,8 @@ var/list/doppler_arrays = list()
 	src.dir = turn(src.dir, 90)
 	return
 
-/obj/machinery/doppler_array/AltClick(mob/user)
-	..()
-	if(user.incapacitated())
+/obj/machinery/doppler_array/AltClick(mob/living/user)
+	if(!istype(user) || user.incapacitated())
 		user << "<span class='warning'>You can't do that right now!</span>"
 		return
 	if(!in_range(src, user))

code/game/objects/items/devices/geiger_counter.dm

@@ -132,8 +132,9 @@
 		return 1
 	..()
 
-/obj/item/device/geiger_counter/AltClick()
-	..()
+/obj/item/device/geiger_counter/AltClick(mob/living/user)
+	if(!istype(user) || user.incapacitated())
+		return ..()
 	if(!scanning)
 		usr << "<span class='warning'>[src] must be on to reset its radiation level!</span>"
 		return 0

code/game/objects/structures/crates_lockers/closets.dm

@@ -235,10 +235,10 @@
 		else
 			togglelock(user)
 
-/obj/structure/closet/MouseDrop_T(atom/movable/O, mob/user)
+/obj/structure/closet/MouseDrop_T(atom/movable/O, mob/living/user)
 	if(!istype(O) || O.anchored || istype(O, /obj/screen))
 		return
-	if(user.incapacitated() || user.lying)
+	if(!istype(user) || user.incapacitated() || user.lying)
 		return
 	if(!Adjacent(user) || !user.Adjacent(O))
 		return

code/modules/clothing/masks/gasmask.dm

@@ -62,20 +62,21 @@
 	flags_cover = MASKCOVERSEYES
 	burn_state = FLAMMABLE
 
-/obj/item/clothing/mask/gas/clown_hat/AltClick(mob/user)
-
-	var/mob/M = usr
+/obj/item/clothing/mask/gas/clown_hat/AltClick(mob/living/user)
+	if(!istype(user) || user.incapacitated())
+		return
+	
 	var/list/options = list()
 	options["True Form"] = "clown"
 	options["The Feminist"] = "sexyclown"
 	options["The Madman"] = "joker"
 	options["The Rainbow Color"] ="rainbow"
 
-	var/choice = input(M,"To what form do you wish to Morph this mask?","Morph Mask") in options
+	var/choice = input(user,"To what form do you wish to Morph this mask?","Morph Mask") in options
 
-	if(src && choice && !M.stat && in_range(M,src))
+	if(src && choice && !user.stat && in_range(user,src))
 		icon_state = options[choice]
-		M << "<span class='notice'>Your Clown Mask has now morphed into [choice], all praise the Honkmother!</span>"
+		user << "<span class='notice'>Your Clown Mask has now morphed into [choice], all praise the Honkmother!</span>"
 		return 1
 
 /obj/item/clothing/mask/gas/sexyclown