QoL: Hacking (#6810)

* Makes hacking window consider all hands instead of just the active one.

* Makes bottom indicators in hacking window go bold if they changed since the last refresh.

* Changelog

code/modules/mob/inventory.dm

@@ -99,6 +99,10 @@ var/list/slot_equipment_priority = list( \
 /mob/proc/is_holding_item_of_type(typepath)
 	return FALSE
 
+// Override for your specific mob's hands or lack thereof.
+/mob/proc/get_all_held_items()
+	return list()
+
 //Puts the item into your l_hand if possible and calls all necessary triggers/updates. returns 1 on success.
 /mob/proc/put_in_l_hand(var/obj/item/W)
 	if(lying || !istype(W))

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

@@ -397,4 +397,12 @@ This saves us from having to call add_fingerprint() any time something is put in
 	for(var/obj/item/I in list(l_hand, r_hand))
 		if(istype(I, typepath))
 			return I
-	return FALSE
+	return FALSE
+
+// Returns a list of items held in both hands.
+/mob/living/carbon/human/get_all_held_items()
+	. = list()
+	if(l_hand)
+		. += l_hand
+	if(r_hand)
+		. += r_hand

code/modules/mob/living/silicon/robot/inventory.dm

@@ -261,4 +261,14 @@
 	for(var/obj/item/I in list(module_state_1, module_state_2, module_state_3))
 		if(istype(I, typepath))
 			return I
-	return FALSE
+	return FALSE
+
+// Returns a list of all held items in a borg's 'hands'.
+/mob/living/silicon/robot/get_all_held_items()
+	. = list()
+	if(module_state_1)
+		. += module_state_1
+	if(module_state_2)
+		. += module_state_2
+	if(module_state_3)
+		. += module_state_3

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

@@ -141,3 +141,16 @@
 		target = src.loc
 	if(.)
 		W.forceMove(src.loc)
+
+/mob/living/simple_mob/is_holding_item_of_type(typepath)
+	for(var/obj/item/I in list(l_hand, r_hand))
+		if(istype(I, typepath))
+			return I
+	return FALSE
+
+/mob/living/simple_mob/get_all_held_items()
+	. = list()
+	if(l_hand)
+		. += l_hand
+	if(r_hand)
+		. += r_hand