shuttle_controller now uses a shuttle datum

code/modules/mob/dead/observer/observer.dm

@@ -216,8 +216,8 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 					if(ticker.mode:malf_mode_declared)
 						stat(null, "Time left: [max(ticker.mode:AI_win_timeleft/(ticker.mode:apcs/3), 0)]")
 		if(emergency_shuttle)
-			if(emergency_shuttle.online && emergency_shuttle.location < 2)
-				var/timeleft = emergency_shuttle.timeleft()
+			if(emergency_shuttle.has_eta() && !emergency_shuttle.returned())
+				var/timeleft = emergency_shuttle.estimate_arrival_time()
 				if (timeleft)
 					stat(null, "ETA-[(timeleft / 60) % 60]:[add_zero(num2text(timeleft % 60), 2)]")
 

code/modules/mob/living/carbon/alien/alien.dm

@@ -159,8 +159,8 @@
 		stat(null, "Plasma Stored: [getPlasma()]/[max_plasma]")
 
 	if(emergency_shuttle)
-		if(emergency_shuttle.online && emergency_shuttle.location < 2)
-			var/timeleft = emergency_shuttle.timeleft()
+		if(emergency_shuttle.has_eta() && !emergency_shuttle.returned())
+			var/timeleft = emergency_shuttle.estimate_arrival_time()
 			if (timeleft)
 				stat(null, "ETA-[(timeleft / 60) % 60]:[add_zero(num2text(timeleft % 60), 2)]")
 

code/modules/mob/living/carbon/human/human.dm

@@ -171,8 +171,8 @@
 		if(ticker.mode:malf_mode_declared)
 			stat(null, "Time left: [max(ticker.mode:AI_win_timeleft/(ticker.mode:apcs/3), 0)]")
 	if(emergency_shuttle)
-		if(emergency_shuttle.online && emergency_shuttle.location < 2)
-			var/timeleft = emergency_shuttle.timeleft()
+		if(emergency_shuttle.has_eta() && !emergency_shuttle.returned())
+			var/timeleft = emergency_shuttle.estimate_arrival_time()
 			if (timeleft)
 				stat(null, "ETA-[(timeleft / 60) % 60]:[add_zero(num2text(timeleft % 60), 2)]")
 

code/modules/mob/living/silicon/ai/ai.dm

@@ -291,7 +291,7 @@ var/list/ai_list = list()
 		call_shuttle_proc(src)
 
 	// hack to display shuttle timer
-	if(emergency_shuttle.online)
+	if(emergency_shuttle.online())
 		var/obj/machinery/computer/communications/C = locate() in machines
 		if(C)
 			C.post_status("shuttle")

code/modules/mob/living/silicon/ai/death.dm

@@ -39,11 +39,9 @@
 		callshuttle = 0
 
 	if(callshuttle == 3) //if all three conditions are met
-		emergency_shuttle.incall(2)
+		emergency_shuttle.call_evac()
 		log_game("All the AIs, comm consoles and boards are destroyed. Shuttle called.")
 		message_admins("All the AIs, comm consoles and boards are destroyed. Shuttle called.", 1)
-		captain_announce("The emergency shuttle has been called. It will arrive in [round(emergency_shuttle.timeleft()/60)] minutes.")
-		world << sound('sound/AI/shuttlecalled.ogg')
 
 	if(explosive)
 		spawn(10)

code/modules/mob/living/silicon/silicon.dm

@@ -97,10 +97,11 @@
 
 // this function displays the shuttles ETA in the status panel if the shuttle has been called
 /mob/living/silicon/proc/show_emergency_shuttle_eta()
-	if(emergency_shuttle.online && emergency_shuttle.location < 2)
-		var/timeleft = emergency_shuttle.timeleft()
-		if (timeleft)
-			stat(null, "ETA-[(timeleft / 60) % 60]:[add_zero(num2text(timeleft % 60), 2)]")
+	if(emergency_shuttle)
+		if(emergency_shuttle.has_eta() && !emergency_shuttle.returned())
+			var/timeleft = emergency_shuttle.estimate_arrival_time()
+			if (timeleft)
+				stat(null, "ETA-[(timeleft / 60) % 60]:[add_zero(num2text(timeleft % 60), 2)]")
 
 
 // This adds the basic clock, shuttle recall timer, and malf_ai info to all silicon lifeforms

code/modules/mob/living/simple_animal/borer.dm

@@ -146,8 +146,8 @@
 	statpanel("Status")
 
 	if(emergency_shuttle)
-		if(emergency_shuttle.online && emergency_shuttle.location < 2)
-			var/timeleft = emergency_shuttle.timeleft()
+		if(emergency_shuttle.has_eta() && !emergency_shuttle.returned())
+			var/timeleft = emergency_shuttle.estimate_arrival_time()
 			if (timeleft)
 				stat(null, "ETA-[(timeleft / 60) % 60]:[add_zero(num2text(timeleft % 60), 2)]")
 

code/modules/mob/new_player/new_player.dm

@@ -329,12 +329,13 @@
 		dat += "Round Duration: [round(hours)]h [round(mins)]m<br>"
 
 		if(emergency_shuttle) //In case Nanotrasen decides reposess CentComm's shuttles.
-			if(emergency_shuttle.direction == 2) //Shuttle is going to centcomm, not recalled
+			if(emergency_shuttle.going_to_centcom()) //Shuttle is going to centcomm, not recalled
 				dat += "<font color='red'><b>The station has been evacuated.</b></font><br>"
-			if(emergency_shuttle.direction == 1 && emergency_shuttle.timeleft() < 300 && emergency_shuttle.alert == 0) // Emergency shuttle is past the point of no recall
-				dat += "<font color='red'>The station is currently undergoing evacuation procedures.</font><br>"
-			if(emergency_shuttle.direction == 1 && emergency_shuttle.alert == 1) // Crew transfer initiated
-				dat += "<font color='red'>The station is currently undergoing crew transfer procedures.</font><br>"
+			if(emergency_shuttle.online())
+				if (emergency_shuttle.evac)	// Emergency shuttle is past the point of no recall
+					dat += "<font color='red'>The station is currently undergoing evacuation procedures.</font><br>"
+				else						// Crew transfer initiated
+					dat += "<font color='red'>The station is currently undergoing crew transfer procedures.</font><br>"
 
 		dat += "Choose from the following open positions:<br>"
 		for(var/datum/job/job in job_master.occupations)