Fix anim graph trace events debugging to include nodes path for nested graphs

Source/Editor/Surface/AnimGraphSurface.cs

@@ -115,16 +115,36 @@ namespace FlaxEditor.Surface
 
         internal AnimGraphTraceEvent[] LastTraceEvents;
 
-        internal bool TryGetTraceEvent(SurfaceNode node, out AnimGraphTraceEvent traceEvent)
+        internal unsafe bool TryGetTraceEvent(SurfaceNode node, out AnimGraphTraceEvent traceEvent)
         {
             if (LastTraceEvents != null)
             {
                 foreach (var e in LastTraceEvents)
                 {
+                    // Node IDs must match
                     if (e.NodeId == node.ID)
                     {
-                        traceEvent = e;
-                        return true;
+                        uint* nodePath = e.NodePath0;
+
+                        // Get size of the path
+                        int nodePathSize = 0;
+                        while (nodePathSize < 8 && nodePath[nodePathSize] != 0)
+                            nodePathSize++;
+
+                        // Follow input node contexts path to verify if it matches with the path in the event
+                        var c = node.Context;
+                        for (int i = nodePathSize - 1; i >= 0 && c != null; i--)
+                        {
+                            if (c.OwnerNodeID != nodePath[i])
+                                c = null;
+                            else
+                                c = c.Parent;
+                        }
+                        if (c != null)
+                        {
+                            traceEvent = e;
+                            return true;
+                        }
                     }
                 }
             }

Source/Editor/Surface/VisjectSurface.Context.cs

@@ -62,6 +62,8 @@ namespace FlaxEditor.Surface
                 surfaceContext = CreateContext(_context, context);
                 _context?.Children.Add(surfaceContext);
                 _contextCache.Add(contextHandle, surfaceContext);
+                if (context is SurfaceNode asNode)
+                    surfaceContext.OwnerNodeID = asNode.ID;
 
                 context.OnContextCreated(surfaceContext);
 

Source/Editor/Surface/VisjectSurfaceContext.cs

@@ -156,6 +156,11 @@ namespace FlaxEditor.Surface
         /// </summary>
         public event Action<SurfaceControl> ControlDeleted;
 
+        /// <summary>
+        /// Identifier of the node that 'owns' this context (eg. State Machine which created this graph of state nodes).
+        /// </summary>
+        public uint OwnerNodeID;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="VisjectSurfaceContext"/> class.
         /// </summary>