Adds repeating DoAfters to Food and Drink (#15233)

Content.Shared/DoAfter/DoAfterArgs.cs

@@ -127,6 +127,7 @@ public sealed class DoAfterArgs
     [DataField("blockDuplicate")]
     public bool BlockDuplicate = true;
 
+    //TODO: User pref to not cancel on second use on specific doafters
     /// <summary>
     ///     If true, this will cancel any duplicate DoAfters when attempting to add a new DoAfter. See also
     ///     <see cref="DuplicateConditions"/>.
@@ -206,6 +207,7 @@ public sealed class DoAfterArgs
 
     #endregion
 
+    //The almighty pyramid returns.......
     public DoAfterArgs(DoAfterArgs other)
     {
         User = other.User;

Content.Shared/DoAfter/DoAfterEvent.cs

@@ -15,6 +15,12 @@ public abstract class DoAfterEvent : HandledEntityEventArgs
     [NonSerialized]
     public DoAfter DoAfter = default!;
 
+    //TODO: User pref to toggle repeat on specific doafters
+    /// <summary>
+    ///     If set to true while handling this event, then the DoAfter will automatically be repeated.
+    /// </summary>
+    public bool Repeat = false;
+
     /// <summary>
     ///     Duplicate the current event. This is used by state handling, and should copy by value unless the reference
     ///     types are immutable.

Content.Shared/DoAfter/SharedDoAfterSystem.Update.cs

@@ -117,7 +117,14 @@ public abstract partial class SharedDoAfterSystem : EntitySystem
         }
 
         doAfter.Completed = true;
+
         RaiseDoAfterEvents(doAfter, component);
+
+        if (doAfter.Args.Event.Repeat)
+        {
+            doAfter.StartTime = GameTiming.CurTime;
+            doAfter.Completed = false;
+        }
     }
 
     private bool ShouldCancel(DoAfter doAfter,

Content.Shared/DoAfter/SharedDoAfterSystem.cs

@@ -83,6 +83,8 @@ public abstract partial class SharedDoAfterSystem : EntitySystem
     private void RaiseDoAfterEvents(DoAfter doAfter, DoAfterComponent component)
     {
         var ev = doAfter.Args.Event;
+        ev.Handled = false;
+        ev.Repeat = false;
         ev.DoAfter = doAfter;
 
         if (Exists(doAfter.Args.EventTarget))