misc: update to latest gle interface

Author: jsm174

VisualPinball.Engine.Mpf.Unity/Runtime/MpfGamelogicEngine.cs

@@ -39,7 +39,8 @@ public class MpfGamelogicEngine : MonoBehaviour, IGamelogicEngine
 		public event EventHandler<LampsEventArgs> OnLampsChanged;
 		public event EventHandler<CoilEventArgs> OnCoilChanged;
 		public event EventHandler<RequestedDisplays> OnDisplaysRequested;
-		public event EventHandler<DisplayFrameData> OnDisplayFrame;
+		public event EventHandler<string> OnDisplayClear;
+		public event EventHandler<DisplayFrameData> OnDisplayUpdateFrame;
 		public event EventHandler<SwitchEventArgs2> OnSwitchChanged;
 
 		[NonSerialized]
@@ -274,11 +275,15 @@ private void OnDmdFrame(object sender, SetDmdFrameRequest frame)
 
 			lock (_dispatchQueue) {
 
-				_dispatchQueue.Enqueue(() => OnDisplayFrame?.Invoke(this,
+				_dispatchQueue.Enqueue(() => OnDisplayUpdateFrame?.Invoke(this,
 					new DisplayFrameData(frame.Name, DisplayFrameFormat.Dmd24, frame.FrameData())));
 			}
 		}
 
+		public void DisplayChanged(DisplayFrameData displayFrameData)
+		{
+		}
+
 		private void OnDestroy()
 		{
 			if (_api != null) {