Silent Station Events (#8938)

Content.Server/StationEvents/Events/DiseaseOutbreak.cs

@@ -37,6 +37,8 @@ public sealed class DiseaseOutbreak : StationEvent
     public override SoundSpecifier? StartAudio => new SoundPathSpecifier("/Audio/Announcements/outbreak7.ogg");
     protected override float EndAfter => 1.0f;
 
+    public override bool AnnounceEvent => false;
+
     /// <summary>
     /// Finds 2-5 random, alive entities that can host diseases
     /// and gives them a randomly selected disease.
@@ -79,6 +81,8 @@ public sealed class DiseaseOutbreak : StationEvent
             stationsToNotify.Add((EntityUid) station);
         }
 
+        if (!AnnounceEvent)
+            return;
         foreach (var station in stationsToNotify)
         {
             chatSystem.DispatchStationAnnouncement(station, Loc.GetString("station-event-disease-outbreak-announcement"),

Content.Server/StationEvents/Events/KudzuGrowth.cs

@@ -27,6 +27,8 @@ public sealed class KudzuGrowth : StationEvent
     // Give crew at least 9 minutes to either have it gone, or to suffer another event. Kudzu is not actually required to be dead for another event to roll.
     protected override float EndAfter => 60*4;
 
+    public override bool AnnounceEvent => false;
+
     private EntityUid _targetGrid;
 
     private Vector2i _targetTile;

Content.Server/StationEvents/Events/MouseMigration.cs

@@ -25,6 +25,8 @@ public sealed class MouseMigration : StationEvent
 
     public override int? MaxOccurrences => 1;
 
+    public override bool AnnounceEvent => false;
+
     protected override float StartAfter => 30f;
 
     protected override float EndAfter => 60;

Content.Server/StationEvents/Events/StationEvent.cs

@@ -107,6 +107,11 @@ namespace Content.Server.StationEvents.Events
         /// </summary>
         public virtual int? MaxOccurrences { get; } = null;
 
+        /// <summary>
+        ///     Whether or not the event is announced when it is run
+        /// </summary>
+        public virtual bool AnnounceEvent { get; } = true;
+
         /// <summary>
         ///     Has the startup time elapsed?
         /// </summary>
@@ -139,13 +144,13 @@ namespace Content.Server.StationEvents.Events
             IoCManager.Resolve<IAdminLogManager>()
                 .Add(LogType.EventAnnounced, $"Event announce: {Name}");
 
-            if (StartAnnouncement != null)
+            if (AnnounceEvent && StartAnnouncement != null)
             {
                 var chatSystem = IoCManager.Resolve<IEntitySystemManager>().GetEntitySystem<ChatSystem>();
                 chatSystem.DispatchGlobalStationAnnouncement(StartAnnouncement, playDefaultSound: false, colorOverride: Color.Gold);
             }
 
-            if (StartAudio != null)
+            if (AnnounceEvent && StartAudio != null)
             {
                 SoundSystem.Play(StartAudio.GetSound(), Filter.Broadcast(), AudioParams);
             }
@@ -162,13 +167,13 @@ namespace Content.Server.StationEvents.Events
             IoCManager.Resolve<IAdminLogManager>()
                 .Add(LogType.EventStopped, $"Event shutdown: {Name}");
 
-            if (EndAnnouncement != null)
+            if (AnnounceEvent && EndAnnouncement != null)
             {
                 var chatSystem = IoCManager.Resolve<IEntitySystemManager>().GetEntitySystem<ChatSystem>();
                 chatSystem.DispatchGlobalStationAnnouncement(EndAnnouncement, playDefaultSound: false, colorOverride: Color.Gold);
             }
 
-            if (EndAudio != null)
+            if (AnnounceEvent && EndAudio != null)
             {
                 SoundSystem.Play(EndAudio.GetSound(), Filter.Broadcast(), AudioParams);
             }

Content.Server/StationEvents/Events/VentCritters.cs

@@ -32,6 +32,8 @@ public sealed class VentCritters : StationEvent
 
     protected override float EndAfter => 60;
 
+    public override bool AnnounceEvent => false;
+
     public override void Startup()
     {
         base.Startup();

Content.Server/StationEvents/Events/ZombieOutbreak.cs

@@ -19,11 +19,10 @@ namespace Content.Server.StationEvents.Events
         public override string Name => "ZombieOutbreak";
         public override int EarliestStart => 50;
         public override float Weight => WeightLow / 2;
-
         public override SoundSpecifier? StartAudio => new SoundPathSpecifier("/Audio/Announcements/bloblarm.ogg");
         protected override float EndAfter => 1.0f;
-
         public override int? MaxOccurrences => 1;
+        public override bool AnnounceEvent => false;
 
         /// <summary>
         /// Finds 1-3 random, dead entities accross the station
@@ -61,6 +60,9 @@ namespace Content.Server.StationEvents.Events
                 if(station == null) continue;
                 stationsToNotify.Add((EntityUid) station);
             }
+
+            if (!AnnounceEvent)
+                return;
             foreach (var station in stationsToNotify)
             {
                 chatSystem.DispatchStationAnnouncement((EntityUid) station, Loc.GetString("station-event-zombie-outbreak-announcement"),