Add icon bases since these are invisible on map otherwise

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

@@ -2,8 +2,8 @@
 /obj/structure/closet
 	name = "closet"
 	desc = "It's a basic storage unit."
-	icon = 'icons/obj/closet.dmi'
-	icon_state = "closed_unlocked"
+	icon = 'icons/obj/closets/bases/closet.dmi'
+	icon_state = "base"
 	density = 1
 	w_class = ITEMSIZE_HUGE
 	layer = UNDER_JUNK_LAYER
@@ -482,4 +482,5 @@
 // Just a generic cabinet for mappers to use
 /obj/structure/closet/cabinet
 	name = "cabinet"
+	icon = 'icons/obj/closets/bases/cabinet.dmi'
 	closet_appearance = /decl/closet_appearance/cabinet

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

@@ -4,6 +4,7 @@
 /obj/structure/closet/walllocker
 	desc = "A wall mounted storage locker."
 	name = "Wall Locker"
+	icon = 'icons/obj/closets/bases/wall.dmi'
 	closet_appearance = /decl/closet_appearance/wall
 	density = 0
 	anchored = 1

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

@@ -3,6 +3,7 @@
 /obj/structure/closet/crate
 	name = "crate"
 	desc = "A rectangular steel crate."
+	icon = 'icons/obj/closets/bases/crate.dmi'
 	closet_appearance = /decl/closet_appearance/crate
 	climbable = 1
 	var/points_per_crate = 5
@@ -367,6 +368,7 @@
 /obj/structure/closet/crate/large
 	name = "large crate"
 	desc = "A hefty metal crate."
+	icon = 'icons/obj/closets/bases/large_crate.dmi'
 	closet_appearance = /decl/closet_appearance/large_crate
 
 /obj/structure/closet/crate/large/close()
@@ -391,6 +393,7 @@
 /obj/structure/closet/crate/secure/large
 	name = "large crate"
 	desc = "A hefty metal crate with an electronic locking system."
+	icon = 'icons/obj/closets/bases/large_crate.dmi'
 	closet_appearance = /decl/closet_appearance/large_crate/secure