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Bubberstation/code/modules/modular_computers/file_system/programs/alarm.dm
SkyratBot 0a03e8a2a7 [MIRROR] Machine list is now stored in SSmachines | Remove excessive use of global lists for specific machine types [MDB IGNORE] (#22481)
* Machine list is now stored in SSmachines | Remove excessive use of global lists for specific machine types

* Resolve merge conflicts

* Modular adjustments

* destroy this double return on destroy

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Co-authored-by: Zephyr <12817816+ZephyrTFA@users.noreply.github.com>
Co-authored-by: Giz <vinylspiders@gmail.com>
2023-07-15 22:51:23 -04:00

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/datum/computer_file/program/alarm_monitor
filename = "alarmmonitor"
filedesc = "Canary"
category = PROGRAM_CATEGORY_ENGI
ui_header = "alarm_green.gif"
program_icon_state = "alert-green"
extended_desc = "This program provides visual interface for a station's alarm system."
requires_ntnet = 1
size = 4
tgui_id = "NtosStationAlertConsole"
program_icon = "bell"
/// If there is any station alert
var/has_alert = FALSE
/// Station alert datum for showing alerts UI
var/datum/station_alert/alert_control
/datum/computer_file/program/alarm_monitor/on_install()
. = ..()
//We want to send an alarm if we're in one of the mining home areas
//Or if we're on station. Otherwise, die.
var/list/allowed_areas = GLOB.the_station_areas + typesof(/area/mine)
alert_control = new(computer, list(ALARM_ATMOS, ALARM_FIRE, ALARM_POWER), listener_areas = allowed_areas)
RegisterSignals(alert_control.listener, list(COMSIG_ALARM_LISTENER_TRIGGERED, COMSIG_ALARM_LISTENER_CLEARED), PROC_REF(update_alarm_display))
/datum/computer_file/program/alarm_monitor/Destroy()
QDEL_NULL(alert_control)
return ..()
/datum/computer_file/program/alarm_monitor/ui_data(mob/user)
var/list/data = list()
data += alert_control.ui_data(user)
return data
/datum/computer_file/program/alarm_monitor/proc/update_alarm_display()
SIGNAL_HANDLER
// has_alert is true if there are any active alarms in our listener.
has_alert = (length(alert_control.listener.alarms) > 0)
if(!has_alert)
program_icon_state = "alert-green"
ui_header = "alarm_green.gif"
else
// If we don't know the status, assume the worst.
// Technically we should never have anything other than a truthy or falsy value
// but this will allow for unknown values to fall through to be an actual alert.
program_icon_state = "alert-red"
ui_header = "alarm_red.gif"
update_computer_icon() // Always update the icon after we check our conditional because we might've changed it