Shuttle called/recalled announcements and sounds.

Content.Server/Chat/ChatManager.cs

@@ -71,12 +71,12 @@ namespace Content.Server.Chat
             _netManager.ServerSendToAll(msg);
         }
 
-        public void DispatchStationAnnouncement(string message)
+        public void DispatchStationAnnouncement(string message, string sender = "CentComm")
         {
             var msg = _netManager.CreateNetMessage<MsgChatMessage>();
             msg.Channel = ChatChannel.Radio;
             msg.Message = message;
-            msg.MessageWrap = "Centcom Announcement:\n{0}";
+            msg.MessageWrap = $"{sender} Announcement:\n{{0}}";
             _netManager.ServerSendToAll(msg);
         }
 

Content.Server/GameObjects/Components/Command/CommunicationsConsoleComponent.cs

@@ -9,6 +9,7 @@ using Robust.Server.Interfaces.GameObjects;
 using Robust.Server.Interfaces.Player;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Timing;
 using Robust.Shared.IoC;
 using Robust.Shared.ViewVariables;
 

Content.Server/GameObjects/EntitySystems/RoundEndSystem.cs

@@ -3,6 +3,7 @@ using System.Threading;
 using Content.Server.Interfaces.Chat;
 using Content.Server.Interfaces.GameTicking;
 using Content.Shared.GameTicking;
+using Robust.Server.GameObjects.EntitySystems;
 using Robust.Shared.GameObjects.Systems;
 using Robust.Shared.Interfaces.Timing;
 using Robust.Shared.IoC;
@@ -48,6 +49,10 @@ namespace Content.Server.GameObjects.EntitySystems
 
             IsRoundEndCountdownStarted = true;
 
+            _chatManager.DispatchStationAnnouncement(Loc.GetString("An emergency shuttle has been sent. ETA: {0} minutes.", RoundEndCountdownTime.Minutes), Loc.GetString("Station"));
+
+            Get<AudioSystem>().PlayGlobal("/Audio/Announcements/shuttlecalled.ogg");
+
             ExpectedCountdownEnd = _gameTiming.CurTime + RoundEndCountdownTime;
             Timer.Spawn(RoundEndCountdownTime, EndRound, _roundEndCancellationTokenSource.Token);
             OnRoundEndCountdownStarted?.Invoke();
@@ -60,6 +65,10 @@ namespace Content.Server.GameObjects.EntitySystems
 
             IsRoundEndCountdownStarted = false;
 
+            _chatManager.DispatchStationAnnouncement(Loc.GetString("The emergency shuttle has been recalled."), Loc.GetString("Station"));
+
+            Get<AudioSystem>().PlayGlobal("/Audio/Announcements/shuttlerecalled.ogg");
+
             _roundEndCancellationTokenSource.Cancel();
             _roundEndCancellationTokenSource = new CancellationTokenSource();
 

Content.Server/Interfaces/Chat/IChatManager.cs

@@ -16,7 +16,8 @@ namespace Content.Server.Interfaces.Chat
         ///     Station announcement to every player
         /// </summary>
         /// <param name="message"></param>
-        void DispatchStationAnnouncement(string message);
+        /// <param name="sender"></param>
+        void DispatchStationAnnouncement(string message, string sender = "CentComm");
 
         void DispatchServerMessage(IPlayerSession player, string message);