Cross server evacuation messages now include the evacuation reason (#53980)

Co-authored-by: Bobbahbrown <bobbahbrown@gmail.com>

code/controllers/subsystem/shuttle.dm

@@ -256,6 +256,7 @@ SUBSYSTEM_DEF(shuttle)
 	if(call_reason)
 		SSblackbox.record_feedback("text", "shuttle_reason", 1, "[call_reason]")
 		log_shuttle("Shuttle call reason: [call_reason]")
+		SSticker.emergency_reason = call_reason
 	message_admins("[ADMIN_LOOKUPFLW(user)] has called the shuttle. (<A HREF='?_src_=holder;[HrefToken()];trigger_centcom_recall=1'>TRIGGER CENTCOM RECALL</A>)")
 
 /datum/controller/subsystem/shuttle/proc/centcom_recall(old_timer, admiral_message)

code/controllers/subsystem/ticker.dm

@@ -62,6 +62,9 @@ SUBSYSTEM_DEF(ticker)
 	/// People who have been commended and will receive a heart
 	var/list/hearts
 
+	/// Why an emergency shuttle was called
+	var/emergency_reason
+
 /datum/controller/subsystem/ticker/Initialize(timeofday)
 	load_mode()
 
@@ -525,7 +528,10 @@ SUBSYSTEM_DEF(ticker)
 		if(STATION_DESTROYED_NUKE)
 			news_message = "We would like to reassure all employees that the reports of a Syndicate backed nuclear attack on [station_name()] are, in fact, a hoax. Have a secure day!"
 		if(STATION_EVACUATED)
-			news_message = "The crew of [station_name()] has been evacuated amid unconfirmed reports of enemy activity."
+			if(emergency_reason)
+				news_message = "[station_name()] has been evacuated after transmitting the following distress beacon:\n\n[emergency_reason]"
+			else
+				news_message = "The crew of [station_name()] has been evacuated amid unconfirmed reports of enemy activity."
 		if(BLOB_WIN)
 			news_message = "[station_name()] was overcome by an unknown biological outbreak, killing all crew on board. Don't let it happen to you! Remember, a clean work station is a safe work station."
 		if(BLOB_NUKE)

code/modules/shuttle/emergency.dm

@@ -263,6 +263,8 @@
 		SSshuttle.emergencyLastCallLoc = null
 	priority_announce("The emergency shuttle has been recalled.[SSshuttle.emergencyLastCallLoc ? " Recall signal traced. Results can be viewed on any communications console." : "" ]", null, 'sound/ai/shuttlerecalled.ogg', "Priority")
 
+	SSticker.emergency_reason = null
+
 /obj/docking_port/mobile/emergency/proc/is_hijacked()
 	var/has_people = FALSE
 	var/hijacker_present = FALSE