Add INotify(Activity)StanceChanged interfaces.

2019-05-19 15:29:56 +00:00
parent 07dc2a1132
commit 62b5d22e53
3 changed files with 39 additions and 0 deletions
--- a/OpenRA.Game/Activities/Activity.cs
+++ b/OpenRA.Game/Activities/Activity.cs
@@ -171,6 +171,20 @@ namespace OpenRA.Activities
 				act = act.childActivity;
 			}
 		}
+
+		public IEnumerable<T> ActivitiesImplementing<T>() where T : IActivityInterface
+		{
+			if (childActivity != null)
+				foreach (var a in childActivity.ActivitiesImplementing<T>())
+					yield return a;
+
+			if (this is T)
+				yield return (T)(object)this;
+
+			if (NextActivity != null)
+				foreach (var a in NextActivity.ActivitiesImplementing<T>())
+					yield return a;
+		}
 	}

 	public static class ActivityExts