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sarcoph 66962a8816 first attempt at implementing TGUI 3
trying to update from TGUI Next to TGUI 3, so we can later upgrade from TGUI 3 to TGUI 4.
2022-02-26 16:43:25 -09:00

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/**
* tgui state: z_state
*
* Only checks that the Z-level of the user and src_object are the same.
**/
GLOBAL_DATUM_INIT(tgui_z_state, /datum/tgui_state/z_state, new)
/datum/tgui_state/z_state/can_use_topic(src_object, mob/user)
var/turf/turf_obj = get_turf(src_object)
var/turf/turf_usr = get_turf(user)
if(turf_obj && turf_usr && turf_obj.z == turf_usr.z)
return UI_INTERACTIVE
return UI_CLOSE