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Bubberstation/code/modules/modular_computers/file_system/programs/alarm.dm
Zephyr f71ea26f72 Machine list is now stored in SSmachines | Remove excessive use of global lists for specific machine types (#76822)
## About The Pull Request

Removes all of the duplicate global lists for specific machine types
where the only thing they do is store all machines of that type.
Adds machine tracking to SSmachines in the form of a list for all
machines, and then an associative list for machines by their type.
Previously we have machines in multiple global lists, such as airlocks
being in GLOB.doors, GLOB.airlocks, GLOB.machines.
This makes that not a thing, and also means that iterating through
GLOB.machines looking for a specific type is no longer as expensive.
2023-07-15 16:17:46 -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