Adds Alarm Effects, Makes Air alarm have decompress alarm

code/datums/looping_sounds/alarm_sounds.dm

@@ -0,0 +1,55 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/datum/looping_sound/fire_alarm // Commented out start/end as I don't feel they're very fitting
+	// start_sound = 'sound/effects/alarms/fire_alarm/fire_alarm_start.ogg'
+	// start_length = 40
+	mid_sounds = list('sound/effects/alarms/fire_alarm/fire_alarm_mid.ogg' = 1)
+	mid_length = 20
+	// end_sound = 'sound/effects/alarms/fire_alarm/fire_alarm_stop.ogg'
+	volume = 30
+	pref_check = /datum/client_preference/looping_alarms
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/datum/looping_sound/decompression_alarm
+	mid_sounds = list('sound/effects/alarms/decon_alarm.ogg'=1)
+	mid_length = 60
+	volume = 100
+	extra_range = 20
+	pref_check = /datum/client_preference/looping_alarms
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+/datum/looping_sound/ship_alarm
+	mid_sounds = list('sound/effects/alarms/ship_alarm.ogg'=1)
+	mid_length = 20
+	volume = 60
+	extra_range = 10
+	pref_check = /datum/client_preference/looping_alarms
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/datum/looping_sound/engineering_alarm
+	mid_sounds = list('sound/effects/alarms/engineering_alarm.ogg'=1)
+	mid_length = 30
+	volume = 15
+	pref_check = /datum/client_preference/looping_alarms
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/datum/looping_sound/threat_level_high
+	mid_sounds = list('sound/effects/alarms/threat_level_high.ogg'=1)
+	mid_length = 30
+	volume = 60
+	pref_check = /datum/client_preference/looping_alarms
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/datum/looping_sound/threat_level_extreme
+	mid_sounds = list('sound/effects/alarms/threat_level_extreme.ogg'=1)
+	mid_length = 30
+	volume = 60
+	pref_check = /datum/client_preference/looping_alarms
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

code/game/machinery/air_alarm.dm

@@ -84,6 +84,8 @@
 
 	var/alarms_hidden = FALSE //If the alarms from this machine are visible on consoles
 
+	var/datum/looping_sound/decompression_alarm/soundloop
+
 /obj/machinery/alarm/nobreach
 	breach_detection = 0
 
@@ -128,6 +130,7 @@
 	if(alarm_area && alarm_area.master_air_alarm == src)
 		alarm_area.master_air_alarm = null
 		elect_master(exclude_self = TRUE)
+	QDEL_NULL(soundloop)
 	return ..()
 
 /obj/machinery/alarm/proc/offset_airalarm()
@@ -165,6 +168,7 @@
 	set_frequency(frequency)
 	if(!master_is_operating())
 		elect_master()
+	soundloop = new(list(src), FALSE) // Create soundloop
 
 /obj/machinery/alarm/process()
 	if((stat & (NOPOWER|BROKEN)) || shorted)
@@ -194,6 +198,11 @@
 		mode = AALARM_MODE_FILL
 		apply_mode()
 
+	if(alarm_area?.atmosalm || danger_level > 0)  // CHOMPEdit: Looping Alarms (Trigger Decompression alarm here, on detection of any breach in the area)
+		soundloop.start()
+	else if(danger_level == 0 && alarm_area?.atmosalm == 0)  // CHOMPEdit: Looping Alarms (Cancel Decompression alarm here)
+		soundloop.stop()
+
 	//atmos computer remote controll stuff
 	switch(rcon_setting)
 		if(RCON_NO)

code/modules/client/preference_setup/global/setting_datums.dm

@@ -157,6 +157,12 @@ var/list/_client_preferences_by_type
 	enabled_description = "Audible"
 	disabled_description = "Silent"
 
+/datum/client_preference/looping_alarms // CHOMPStation Add: Looping Alarms
+	description ="Looping Alarm Sounds"
+	key = "SOUND_ALARMLOOP"
+	enabled_description = "Audible"
+	disabled_description = "Silent"
+
 /datum/client_preference/old_door_sounds
 	description ="Old Door Sounds"
 	key = "SOUND_OLDDOORS"

code/modules/client/preferences_ch.dm

@@ -0,0 +1,14 @@
+/client/verb/toggle_looping_alarms()
+	set name = "Looping Alarms"
+	set category = "Preferences"
+	set desc = "Toggles alarm sound loops."
+
+	var/pref_path = /datum/client_preference/looping_alarms
+
+	toggle_preference(pref_path)
+
+	to_chat(src, "You will [ (is_preference_enabled(pref_path)) ? "now" : "no longer"] hear alarm sounds looping.")
+
+	SScharacter_setup.queue_preferences_save(prefs)
+
+	feedback_add_details("admin_verb","TAlarmLoops") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!

vorestation.dme

@@ -406,6 +406,7 @@
 #include "code\datums\locations\vir.dm"
 #include "code\datums\looping_sounds\_looping_sound.dm"
 #include "code\datums\looping_sounds\environment_sounds.dm"
+#include "code\datums\looping_sounds\alarm_sounds.dm"
 #include "code\datums\looping_sounds\item_sounds.dm"
 #include "code\datums\looping_sounds\machinery_sounds.dm"
 #include "code\datums\looping_sounds\sequence.dm"