Debugging!

code/game/objects/items/paintkit.dm

@@ -1,8 +1,11 @@
 /obj/item/device/kit
+	icon_state = "modkit"
+	icon = 'icons/obj/device.dmi'
 	var/new_name = "mech"    //What is the variant called?
 	var/new_desc = "A mech." //How is the new mech described?
 	var/new_icon = "ripley"  //What base icon will the new mech use?
-	var/uses = 2        // Uses before the kit deletes itself.
+	var/new_icon_file
+	var/uses = 1        // Uses before the kit deletes itself.
 
 /obj/item/device/kit/proc/use(var/amt, var/mob/user)
 	uses -= amt
@@ -16,33 +19,46 @@
 /obj/item/device/kit/suit
 	name = "voidsuit modification kit"
 	desc = "A kit for modifying a voidsuit."
-	icon = 'icons/obj/custom_items.dmi'
-	icon_state = "salvage_kit"
+	uses = 2
 	var/new_light_overlay
+	var/new_mob_icon_file
 
-/obj/item/clothing/head/helmet/space/void/attackby(var/obj/item/O as obj, mob/user as mob)
+/obj/item/clothing/head/helmet/space/void/attackby(var/obj/item/O, var/mob/user)
 	if(istype(O,/obj/item/device/kit/suit))
-
 		var/obj/item/device/kit/suit/kit = O
 		name = "[kit.new_name] suit helmet"
 		desc = kit.new_desc
-		icon_state = kit.new_icon
-		item_state = kit.new_icon
+		icon_state = "[kit.new_icon]_helmet"
+		item_state = "[kit.new_icon]_helmet"
+		if(kit.new_icon_file)
+			icon = kit.new_icon_file
+		if(kit.new_mob_icon_file)
+			icon_override = kit.new_mob_icon_file
 		if(kit.new_light_overlay)
 			light_overlay = kit.new_light_overlay
 		user << "You set about modifying the helmet into [src]."
+		var/mob/living/carbon/human/H = user
+		if(istype(H))
+			species_restricted = list(H.species.name)
 		kit.use(1,user)
 		return 1
 	return ..()
 
-/obj/item/clothing/suit/space/void/attackby(var/obj/item/O as obj, mob/user as mob)
+/obj/item/clothing/suit/space/void/attackby(var/obj/item/O, var/mob/user)
 	if(istype(O,/obj/item/device/kit/suit))
 		var/obj/item/device/kit/suit/kit = O
 		name = "[kit.new_name] voidsuit"
 		desc = kit.new_desc
-		icon_state = kit.new_icon
-		item_state = kit.new_icon
+		icon_state = "[kit.new_icon]_suit"
+		item_state = "[kit.new_icon]_suit"
+		if(kit.new_icon_file)
+			icon = kit.new_icon_file
+		if(kit.new_mob_icon_file)
+			icon_override = kit.new_mob_icon_file
 		user << "You set about modifying the suit into [src]."
+		var/mob/living/carbon/human/H = user
+		if(istype(H))
+			species_restricted = list(H.species.name)
 		kit.use(1,user)
 		return 1
 	return ..()
@@ -51,8 +67,35 @@
 /obj/item/device/kit/paint
 	name = "mecha customisation kit"
 	desc = "A generic kit containing all the needed tools and parts to turn a mech into another mech."
-	icon = 'icons/obj/custom_items.dmi'
-	icon_state = "royce_kit"
-
 	var/removable = null
-	var/list/allowed_types = list()
+	var/list/allowed_types = list()
+
+/obj/mecha/attackby(var/obj/item/weapon/W, var/mob/user)
+	if(istype(W, /obj/item/device/kit/paint))
+		if(occupant)
+			user << "You can't customize a mech while someone is piloting it - that would be unsafe!"
+			return
+
+		var/obj/item/device/kit/paint/P = W
+		var/found = null
+
+		for(var/type in P.allowed_types)
+			if(type==src.initial_icon)
+				found = 1
+				break
+
+		if(!found)
+			user << "That kit isn't meant for use on this class of exosuit."
+			return
+
+		user.visible_message("[user] opens [P] and spends some quality time customising [src].")
+		src.name = P.new_name
+		src.desc = P.new_desc
+		src.initial_icon = P.new_icon
+		if(P.new_icon_file)
+			src.icon = P.new_icon_file
+		src.reset_icon()
+		P.use(1, user)
+		return 1
+	else
+		return ..()

code/game/objects/items/weapons/storage/belt.dm

@@ -92,12 +92,9 @@
 /obj/item/weapon/storage/belt/medical/emt
 	name = "EMT utility belt"
 	desc = "A sturdy black webbing belt with attached pouches."
-	icon = 'icons/obj/custom_items.dmi'
 	icon_state = "emsbelt"
 	item_state = "emsbelt"
 
-
-
 /obj/item/weapon/storage/belt/security
 	name = "security belt"
 	desc = "Can hold security gear like handcuffs and flashes."

code/game/objects/structures/coathanger.dm

@@ -4,7 +4,7 @@
 	icon = 'icons/obj/coatrack.dmi'
 	icon_state = "coatrack0"
 	var/obj/item/clothing/suit/coat
-	var/list/allowed = list(/obj/item/clothing/suit/storage/labcoat, /obj/item/clothing/suit/storage/toggle/labcoat, /obj/item/clothing/suit/storage/det_suit)
+	var/list/allowed = list(/obj/item/clothing/suit/storage/toggle/labcoat, /obj/item/clothing/suit/storage/det_suit)
 
 /obj/structure/coatrack/attack_hand(mob/user as mob)
 	user.visible_message("[user] takes [coat] off \the [src].", "You take [coat] off the \the [src]")