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Bubberstation/code/datums/elements/update_icon_updates_onmob.dm
SkyratBot 077e2d4eee [MIRROR] Makes update_icon_updates_onmob more robust [MDB IGNORE] (#21076)
* Makes update_icon_updates_onmob more robust (#75324)

Safeguards against #74965 happening in the future.

Noticed a bunch of these were using ITEM_SLOT_HANDS. This is incorrect,
as the element already automatically updates held items. grep'd it to
catch future instances.

Likewise, a number of objects weren't passing slot_flags to the element,
meaning it wasn't actually updating those things properly when they were
being worn. I've simplified this so now the element will automatically
update all slot_flags, and passing an additional slot to the element
when being added is only needed for additional slots that might need to
be updated. This also means if slot_flags change, the element will now
update correctly as well.

🆑 ShizCalev
code: The update_icon_updates_onmob element will now automatically
update all slots in an item's slot_flags var. This does fix multiple
things that weren't updating properly. Passing a slot to the element is
now only necessary if you want to add additional slots to be updated.
/🆑

* Makes update_icon_updates_onmob more robust

---------

Co-authored-by: ShizCalev <ShizCalev@users.noreply.github.com>
2023-05-10 22:57:55 -07:00

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//update_icon() may change the onmob icons
//Very good name, I know
/datum/element/update_icon_updates_onmob
element_flags = ELEMENT_BESPOKE
argument_hash_start_idx = 2
///The ITEM_SLOT_X flags to update on the parent mob in additon to the item's slot_flags. (Ex: Passing ITEM_SLOT_HANDCUFFED for sneakers will update the handcuff overlays in addition to ITEM_SLOT_FEET's overlays when their icon changes.)
var/update_flags = NONE
///Should the element call [/mob/proc/update_body()] in addition to clothing updates?
var/update_body = FALSE
/datum/element/update_icon_updates_onmob/Attach(datum/target, flags, body = FALSE)
. = ..()
if(!isitem(target))
return ELEMENT_INCOMPATIBLE
RegisterSignal(target, COMSIG_ATOM_UPDATED_ICON, PROC_REF(update_onmob))
update_flags = flags
update_body = body
/datum/element/update_icon_updates_onmob/proc/update_onmob(obj/item/target)
SIGNAL_HANDLER
if(ismob(target.loc))
var/mob/M = target.loc
if(M.is_holding(target))
M.update_held_items()
else
M.update_clothing((target.slot_flags|update_flags))
if(update_body)
M.update_body()