Merge pull request #9036 from Linzolle/invisiclothes

fixes combat gloves plus having no icon, allows for shoes to have their item_state set to use a differently named icon on mobs

code/datums/martial/krav_maga.dm

@@ -197,7 +197,7 @@
 	name = "combat gloves plus"
 	desc = "These tactical gloves are fireproof and shock resistant, and using nanochip technology it teaches you the powers of krav maga."
 	icon_state = "combat"
-	item_state = "blackglovesplus"
+	item_state = "blackgloves"
 	siemens_coefficient = 0
 	permeability_coefficient = 0.05
 	strip_delay = 80

code/modules/mob/living/carbon/human/update_icons.dm

@@ -288,8 +288,10 @@ There are several things that need to be remembered:
 				S.alternate_worn_icon = 'modular_citadel/icons/mob/digishoes.dmi'
 			else
 				S.alternate_worn_icon = null
-
-		overlays_standing[SHOES_LAYER] = shoes.build_worn_icon(state = shoes.icon_state, default_layer = SHOES_LAYER, default_icon_file = ((shoes.alternate_worn_icon) ? shoes.alternate_worn_icon : 'icons/mob/feet.dmi'))
+		var/t_state = shoes.item_state
+		if (!t_state)
+			t_state = shoes.icon_state
+		overlays_standing[SHOES_LAYER] = shoes.build_worn_icon(state = t_state, default_layer = SHOES_LAYER, default_icon_file = ((shoes.alternate_worn_icon) ? shoes.alternate_worn_icon : 'icons/mob/feet.dmi'))
 		var/mutable_appearance/shoes_overlay = overlays_standing[SHOES_LAYER]
 		if(OFFSET_SHOES in dna.species.offset_features)
 			shoes_overlay.pixel_x += dna.species.offset_features[OFFSET_SHOES][1]