Adds a reoccurrence delay to station events (#8359)

* Adds a reoccurence delay to station events

* typo

* total minutes

* Update Content.Server/StationEvents/Events/StationEvent.cs

* Update Content.Server/StationEvents/Events/StationEvent.cs

* reset

Co-authored-by: ike709 <ike709@github.com>

Content.Server/StationEvents/Events/StationEvent.cs

@@ -1,6 +1,7 @@
 using Content.Server.Administration.Logs;
 using Content.Server.Atmos.EntitySystems;
 using Content.Server.Chat.Managers;
+using Content.Server.GameTicking;
 using Content.Server.Station.Components;
 using Content.Server.Station.Systems;
 using Content.Shared.Database;
@@ -25,6 +26,11 @@ namespace Content.Server.StationEvents.Events
         /// </summary>
         public bool Running { get; set; }
 
+        /// <summary>
+        ///     The time when this event last ran.
+        /// </summary>
+        public TimeSpan LastRun { get; set; } = TimeSpan.Zero;
+
         /// <summary>
         ///     Human-readable name for the event.
         /// </summary>
@@ -62,6 +68,11 @@ namespace Content.Server.StationEvents.Events
         /// </summary>
         public virtual int EarliestStart { get; } = 5;
 
+        /// <summary>
+        ///     In minutes, the amount of time before the same event can occur again
+        /// </summary>
+        public virtual int ReoccurrenceDelay { get; } = 30;
+
         /// <summary>
         ///     When in the lifetime to call Start().
         /// </summary>
@@ -112,6 +123,7 @@ namespace Content.Server.StationEvents.Events
         {
             Started = true;
             Occurrences += 1;
+            LastRun = EntitySystem.Get<GameTicker>().RoundDuration();
 
             EntitySystem.Get<AdminLogSystem>()
                 .Add(LogType.EventStarted, LogImpact.High, $"Event startup: {Name}");

Content.Server/StationEvents/StationEventSystem.cs

@@ -352,6 +352,12 @@ namespace Content.Server.StationEvents
                 return false;
             }
 
+            if (stationEvent.LastRun != TimeSpan.Zero && currentTime.TotalMinutes <
+                stationEvent.ReoccurrenceDelay + stationEvent.LastRun.TotalMinutes)
+            {
+                return false;
+            }
+
             return true;
         }
 
@@ -372,6 +378,7 @@ namespace Content.Server.StationEvents
             foreach (var stationEvent in _stationEvents)
             {
                 stationEvent.Occurrences = 0;
+                stationEvent.LastRun = TimeSpan.Zero;
             }
 
             _timeUntilNextEvent = MinimumTimeUntilFirstEvent;