progress

code/game/rendering/legacy/hud.dm

@@ -141,8 +141,6 @@ GLOBAL_DATUM_INIT(global_hud, /datum/global_hud, new)
 	wiz_energy_display = null
 	blobpwrdisplay = null
 	blobhealthdisplay = null
-	r_hand_hud_object = null
-	l_hand_hud_object = null
 	action_intent = null
 	move_intent = null
 	adding = null

code/game/rendering/legacy/inventory/inventory.dm

@@ -30,31 +30,4 @@
 /atom/movable/screen/inventory/plate/hand/Click()
 	usr.activate_hand_of_index(index)
 
-/atom/movable/screen/inventory/plate/hand/update_icon()
-	..()
-	if(!hud)
-		return
-	if(!handcuff_overlay)
-		handcuff_overlay = image(
-			"icon" = 'icons/mob/screen_gen.dmi',
-			"icon_state" = "[is_left_hand? "l_hand" : "r_hand"]_hud_handcuffs"
-		)
-	cut_overlays()
-	if(iscarbon(hud?.mymob))
-		var/mob/living/carbon/C = hud.mymob
-		if(C.handcuffed)
-			add_overlay(handcuff_overlay)
-
-/atom/movable/screen/inventory/plate/hand/left
-	name = "l_hand"
-	is_left_hand = TRUE
-
-/atom/movable/screen/inventory/plate/hand/right
-	name = "r_hand"
-	is_left_hand = FALSE
-
-/atom/movable/screen/inventory/swap_hands
-	name = "swap hands"
-
-/atom/movable/screen/inventory/swap_hands/Click()
-	usr.swap_hand()
+#warn parse above

code/game/rendering/mob_huds/inventory.dm

@@ -283,6 +283,8 @@
 /atom/movable/screen/inventory/plate/hand
 	/// target hand index
 	var/hand_index
+	/// should we have handcuffed overlay?
+	var/handcuffed = FALSE
 
 /atom/movable/screen/inventory/plate/hand/Initialize(mapload, datum/inventory/host, hand_index)
 	. = ..()
@@ -301,6 +303,18 @@
 	name = "[index % 2? "left" : "right"] hand[index > 1? " #[index]" : ""]"
 	icon_state = "hand-[index % 2? "left" : "right"]"
 
+#warn hook
+/atom/movable/screen/inventory/plate/hand/proc/set_handcuffed(state)
+	if(state == handcuffed)
+		return
+	handcuffed = state
+	update_icon()
+
+/atom/movable/screen/inventory/plate/hand/update_overlays()
+	. = ..()
+	if(handcuffed)
+		. += image('icons/mob/screen_gen.dmi', "[hand_index % 2 ? "r_hand" : "l_hand"]_hud_handcuffs")
+
 /**
  * Button: 'swap hand'
  */
@@ -312,6 +326,8 @@
 	icon = style.inventory_icons_wide
 
 /atom/movable/screen/inventory/swap_hands/on_click(mob/user, list/params)
+	// todo: remote control
+	user.swap_hand()
 
 /**
  * Button: 'auto equip'
@@ -324,9 +340,14 @@
 	icon = style.inventory_icons
 
 /atom/movable/screen/inventory/equip_hand/on_click(mob/user, list/params)
+	// todo: remote control
+	user.attempt_smart_equip(user.get_active_held_item())
 
 /**
  * Button: 'activate inhand'
  */
 /atom/movable/screen/inventory/use_self_hand
 	#warn does main have this?
+
+/atom/movable/screen/inventory/use_self_hand/on_click(mob/user, list/params)
+	// todo: remote control

code/modules/mob/living/simple_mob/simple_hud.dm

@@ -219,7 +219,7 @@
 	hud_elements |= zone_sel
 
 	//Hand things
-	if(has_hands)
+	if(get_nominal_hand_count() > 0)
 		//Drop button
 		using = new /atom/movable/screen()
 		using.name = "drop"