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S.P.L.U.R.T-Station-13/code/datums/components/wearertargeting.dm
Poojawa b6430559e9 datums
2018-09-11 02:49:41 -05:00

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// A dummy parent type used for easily making components that target an item's wearer rather than the item itself.
/datum/component/wearertargeting
var/list/valid_slots = list()
var/list/signals = list()
var/datum/callback/callback = CALLBACK(GLOBAL_PROC, .proc/pass)
var/mobtype = /mob/living
/datum/component/wearertargeting/Initialize()
if(!isitem(parent))
return COMPONENT_INCOMPATIBLE
RegisterSignal(parent, COMSIG_ITEM_EQUIPPED, .proc/on_equip)
RegisterSignal(parent, COMSIG_ITEM_DROPPED, .proc/on_drop)
/datum/component/wearertargeting/proc/on_equip(datum/source, mob/equipper, slot)
if((slot in valid_slots) && istype(equipper, mobtype))
RegisterSignal(equipper, signals, callback, TRUE)
else
UnregisterSignal(equipper, signals)
/datum/component/wearertargeting/proc/on_drop(datum/source, mob/user)
UnregisterSignal(user, signals)
/datum/component/wearertargeting/Destroy()
QDEL_NULL(callback) //is likely to ourselves.
return ..()