mirror of
https://github.com/CHOMPStation2/CHOMPStation2.git
synced 2025-12-10 10:12:45 +00:00
104 lines
3.1 KiB
Plaintext
104 lines
3.1 KiB
Plaintext
#define ALARM_RAISED 1
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#define ALARM_CLEARED 0
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/datum/alarm_handler
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var/category = ""
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var/list/datum/alarm/alarms = new // All alarms, to handle cases when an origin has been deleted with one or more active alarms
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var/list/datum/alarm/alarms_assoc = new // Associative list of alarms, to efficiently acquire them based on origin.
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var/list/listeners = new // A list of all objects interested in alarm changes.
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/datum/alarm_handler/process()
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for(var/datum/alarm/A in alarms)
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A.process()
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check_alarm_cleared(A)
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/datum/alarm_handler/proc/triggerAlarm(var/atom/origin, var/atom/source, var/duration = 0, var/severity = 1, var/hidden = 0)
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var/new_alarm
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//Proper origin and source mandatory
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if(!(origin && source))
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return
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origin = origin.get_alarm_origin()
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new_alarm = 0
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//see if there is already an alarm of this origin
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var/datum/alarm/existing = alarms_assoc[origin]
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if(existing)
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existing.set_source_data(source, duration, severity, hidden)
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else
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existing = new/datum/alarm(origin, source, duration, severity, hidden)
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new_alarm = 1
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alarms |= existing
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alarms_assoc[origin] = existing
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if(new_alarm)
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alarms = dd_sortedObjectList(alarms)
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on_alarm_change(existing, ALARM_RAISED)
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return new_alarm
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/datum/alarm_handler/proc/clearAlarm(var/atom/origin, var/source)
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//Proper origin and source mandatory
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if(!(origin && source))
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return
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origin = origin.get_alarm_origin()
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var/datum/alarm/existing = alarms_assoc[origin]
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if(existing)
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existing.clear(source)
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return check_alarm_cleared(existing)
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/datum/alarm_handler/proc/major_alarms()
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return visible_alarms()
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/datum/alarm_handler/proc/minor_alarms()
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return visible_alarms()
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/datum/alarm_handler/proc/check_alarm_cleared(var/datum/alarm/alarm)
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if ((alarm.end_time && world.time > alarm.end_time) || !alarm.sources.len)
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alarms -= alarm
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alarms_assoc -= alarm.origin
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on_alarm_change(alarm, ALARM_CLEARED)
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return 1
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return 0
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/datum/alarm_handler/proc/on_alarm_change(var/datum/alarm/alarm, var/was_raised)
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for(var/obj/machinery/camera/C in alarm.cameras())
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if(was_raised && !alarm.hidden)
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C.add_network(category)
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else
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C.remove_network(category)
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notify_listeners(alarm, was_raised)
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/datum/alarm_handler/proc/get_alarm_severity_for_origin(var/atom/origin)
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if(!origin)
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return
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origin = origin.get_alarm_origin()
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var/datum/alarm/existing = alarms_assoc[origin]
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if(!existing)
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return
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return existing.max_severity()
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/atom/proc/get_alarm_origin()
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return src
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/turf/get_alarm_origin()
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return get_area(src)
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/datum/alarm_handler/proc/register_alarm(var/object, var/procName)
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listeners[object] = procName
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/datum/alarm_handler/proc/unregister_alarm(var/object)
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listeners -= object
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/datum/alarm_handler/proc/notify_listeners(var/alarm, var/was_raised)
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for(var/listener in listeners)
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call(listener, listeners[listener])(src, alarm, was_raised)
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/datum/alarm_handler/proc/visible_alarms()
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var/list/visible_alarms = new()
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for(var/datum/alarm/A in alarms)
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if(!A.hidden)
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visible_alarms.Add(A)
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return visible_alarms |