adds warning messages when CAS sonic boom happens and makes the boom fallof slower

code/game/cas_manager/datums/cas_fire_envelope.dm

@@ -259,7 +259,26 @@
 		mission_error = "Target is off bounds or obstructed."
 		return
 	change_current_loc(target_turf)
-	playsound(target_turf, soundeffect, 70, TRUE, 50)
+	playsound(source = target_turf, soundin = soundeffect, vol = 70, vary = TRUE, sound_range = 50, falloff = 8)
+
+	var/relative_dir
+	for(var/mob/mob in range(15, target_turf))
+		if(get_turf(mob) == target_turf)
+			relative_dir = 0
+		else
+			relative_dir = Get_Compass_Dir(mob, target_turf)
+
+		var/ds_identifier = "LARGE BIRD"
+		var/fm_identifier = "SPIT FIRE"
+		if (mob.mob_flags & KNOWS_TECHNOLOGY)
+			ds_identifier = "DROPSHIP"
+			fm_identifier = "FIRE"
+
+		mob.show_message( \
+			SPAN_HIGHDANGER("YOU HEAR THE [ds_identifier] ROAR AS IT PREPARES TO [fm_identifier] [SPAN_UNDERLINE(relative_dir ? uppertext(("TO YOUR " + dir2text(relative_dir))) : uppertext("right above you"))]!"), SHOW_MESSAGE_VISIBLE, \
+			SPAN_HIGHDANGER("YOU HEAR SOMETHING FLYING CLOSER [SPAN_UNDERLINE(relative_dir ? uppertext(("TO YOUR " + dir2text(relative_dir))) : uppertext("right above you"))]!"), SHOW_MESSAGE_AUDIBLE \
+		)
+
 	sleep(flyto_period)
 	stat = FIRE_MISSION_STATE_FIRING
 	mission.execute_firemission(linked_console, target_turf, dir, fire_length, step_delay, src)

code/game/cas_manager/datums/cas_fire_mission.dm

@@ -38,9 +38,9 @@
 	for(var/datum/cas_fire_mission_record/record as anything in records)
 		.["records"] += list(record.ui_data(user))
 
-/datum/cas_fire_mission/proc/build_new_record(obj/structure/dropship_equipment/weapon/weap, fire_length)
+/datum/cas_fire_mission/proc/build_new_record(obj/structure/dropship_equipment/weapon/weapon, fire_length)
 	var/datum/cas_fire_mission_record/record = new()
-	record.weapon = weap
+	record.weapon = weapon
 	record.offsets = new /list(fire_length)
 	for(var/idx = 1; idx<=fire_length; idx++)
 		record.offsets[idx] = "-"
@@ -53,24 +53,24 @@
 		// if weapon appears in weapons list but not in record
 		// > add empty record for new weapon
 		var/found = FALSE
-		for(var/obj/structure/dropship_equipment/weapon/weap in weapons)
-			if(record.weapon == weap)
+		for(var/obj/structure/dropship_equipment/weapon/weapon in weapons)
+			if(record.weapon == weapon)
 				found=TRUE
 				break
 		if(!found)
 			bad_records.Add(record)
-	for(var/obj/structure/dropship_equipment/weapon/weap in weapons)
+	for(var/obj/structure/dropship_equipment/weapon/weapon in weapons)
 		var/found = FALSE
 		for(var/datum/cas_fire_mission_record/record in records)
-			if(record.weapon == weap)
+			if(record.weapon == weapon)
 				found=TRUE
 				break
 		if(!found)
-			missing_weapons.Add(weap)
+			missing_weapons.Add(weapon)
 	for(var/datum/cas_fire_mission_record/record in bad_records)
 		records -= record
-	for(var/obj/structure/dropship_equipment/weapon/weap in missing_weapons)
-		build_new_record(weap, fire_length)
+	for(var/obj/structure/dropship_equipment/weapon/weapon in missing_weapons)
+		build_new_record(weapon, fire_length)
 
 /datum/cas_fire_mission/proc/record_for_weapon(weapon_id)
 	for(var/datum/cas_fire_mission_record/record as anything in records)
@@ -176,35 +176,35 @@
 	msg_admin_niche("[usr ? key_name(usr) : "Someone"] is launching Fire Mission '[name]' at ([initial_turf.x],[initial_turf.y],[initial_turf.z]) [ADMIN_JMP(initial_turf)]")
 
 	var/relative_dir
-	for(var/mob/M in range(15, initial_turf))
-		if(get_turf(M) == initial_turf)
+	for(var/mob/mob in range(15, initial_turf))
+		if(get_turf(mob) == initial_turf)
 			relative_dir = 0
 		else
-			relative_dir = Get_Compass_Dir(M, initial_turf)
+			relative_dir = Get_Compass_Dir(mob, initial_turf)
 
 		var/ds_identifier = "LARGE BIRD"
-		if (M.mob_flags & KNOWS_TECHNOLOGY)
+		if (mob.mob_flags & KNOWS_TECHNOLOGY)
 			ds_identifier = "DROPSHIP"
 
-		M.show_message( \
+		mob.show_message( \
 			SPAN_HIGHDANGER("A [ds_identifier] FLIES [SPAN_UNDERLINE(relative_dir ? uppertext(("TO YOUR " + dir2text(relative_dir))) : uppertext("right above you"))]!"), SHOW_MESSAGE_VISIBLE, \
 			SPAN_HIGHDANGER("YOU HEAR SOMETHING GO [SPAN_UNDERLINE(relative_dir ? uppertext(("TO YOUR " + dir2text(relative_dir))) : uppertext("right above you"))]!"), SHOW_MESSAGE_AUDIBLE \
 		)
 
 	// Xenos have time to react to the first message
 	sleep(0.5 SECONDS)
 
-	for(var/mob/M in range(10, initial_turf))
-		if(get_turf(M) == initial_turf)
+	for(var/mob/mob in range(10, initial_turf))
+		if(get_turf(mob) == initial_turf)
 			relative_dir = 0
 		else
-			relative_dir = Get_Compass_Dir(M, initial_turf)
+			relative_dir = Get_Compass_Dir(mob, initial_turf)
 
 		var/ds_identifier = "LARGE BIRD"
-		if (M.mob_flags & KNOWS_TECHNOLOGY)
+		if (mob.mob_flags & KNOWS_TECHNOLOGY)
 			ds_identifier = "DROPSHIP"
 
-		M.show_message( \
+		mob.show_message( \
 			SPAN_HIGHDANGER("A [ds_identifier] FIRES [SPAN_UNDERLINE(relative_dir ? uppertext(("TO YOUR " + dir2text(relative_dir))) : uppertext("right above you"))]!"), 1, \
 			SPAN_HIGHDANGER("YOU HEAR SOMETHING FIRE [SPAN_UNDERLINE(relative_dir ? uppertext(("TO YOUR " + dir2text(relative_dir))) : uppertext("right above you"))]!"), 2 \
 		)
@@ -243,8 +243,8 @@
 			if (current_turf == null)
 				return -1
 			var/turf/shootloc = locate(current_turf.x + sx*offset, current_turf.y + sy*offset, current_turf.z)
-			var/area/A = get_area(shootloc)
-			if(shootloc && !CEILING_IS_PROTECTED(A?.ceiling, CEILING_PROTECTION_TIER_3) && !protected_by_pylon(TURF_PROTECTION_CAS, shootloc))
+			var/area/area = get_area(shootloc)
+			if(shootloc && !CEILING_IS_PROTECTED(area?.ceiling, CEILING_PROTECTION_TIER_3) && !protected_by_pylon(TURF_PROTECTION_CAS, shootloc))
 				item.weapon.open_fire_firemission(shootloc)
 		sleep(step_delay)
 	if(envelope)