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Bubberstation/code/controllers/subsystem/ambience.dm

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/// The subsystem used to play ambience to users every now and then, makes them real excited.
SUBSYSTEM_DEF(ambience)
name = "Ambience"
flags = SS_BACKGROUND|SS_NO_INIT
priority = FIRE_PRIORITY_AMBIENCE
runlevels = RUNLEVEL_GAME | RUNLEVEL_POSTGAME
wait = 1 SECONDS
///Assoc list of listening client - next ambience time
var/list/ambience_listening_clients = list()
/datum/controller/subsystem/ambience/fire(resumed)
for(var/client/client_iterator as anything in ambience_listening_clients)
if(isnull(client_iterator) || isnewplayer(client_iterator.mob))
ambience_listening_clients -= client_iterator
continue
if(ambience_listening_clients[client_iterator] > world.time)
continue //Not ready for the next sound
var/area/current_area = get_area(client_iterator.mob)
var/sound = pick(current_area.ambientsounds)
SEND_SOUND(client_iterator.mob, sound(sound, repeat = 0, wait = 0, volume = 25, channel = CHANNEL_AMBIENCE))
ambience_listening_clients[client_iterator] = world.time + rand(current_area.min_ambience_cooldown, current_area.max_ambience_cooldown)