From ed408917c6a1298e103ef73a147b01737c3695e8 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Tue, 18 Nov 2025 16:41:24 +0100
Subject: [PATCH] Fix Visject Surface node dependent connection types init on
 load

#3802
---
 Source/Editor/Surface/SurfaceNode.cs          | 21 ------------------
 .../VisjectSurfaceContext.Serialization.cs    | 22 ++++++++++++++-----
 2 files changed, 17 insertions(+), 26 deletions(-)

diff --git a/Source/Editor/Surface/SurfaceNode.cs b/Source/Editor/Surface/SurfaceNode.cs
index e1d7c131f..6312bd68d 100644
--- a/Source/Editor/Surface/SurfaceNode.cs
+++ b/Source/Editor/Surface/SurfaceNode.cs
@@ -431,27 +431,6 @@ namespace FlaxEditor.Surface
         /// </summary>
         public bool HasIndependentBoxes => Archetype.IndependentBoxes != null;
 
-        /// <summary>
-        /// Gets a value indicating whether this node has dependent boxes with assigned valid types. Otherwise any box has no dependent type assigned.
-        /// </summary>
-        public bool HasDependentBoxesSetup
-        {
-            get
-            {
-                if (Archetype.DependentBoxes == null || Archetype.IndependentBoxes == null)
-                    return true;
-
-                for (int i = 0; i < Archetype.DependentBoxes.Length; i++)
-                {
-                    var b = GetBox(Archetype.DependentBoxes[i]);
-                    if (b != null && b.CurrentType == b.DefaultType)
-                        return false;
-                }
-
-                return true;
-            }
-        }
-
         private static readonly List<SurfaceNode> UpdateStack = new List<SurfaceNode>();
 
         /// <summary>
diff --git a/Source/Editor/Surface/VisjectSurfaceContext.Serialization.cs b/Source/Editor/Surface/VisjectSurfaceContext.Serialization.cs
index a00d37aef..ed19b937f 100644
--- a/Source/Editor/Surface/VisjectSurfaceContext.Serialization.cs
+++ b/Source/Editor/Surface/VisjectSurfaceContext.Serialization.cs
@@ -178,19 +178,31 @@ namespace FlaxEditor.Surface
 
                 // Update boxes types for nodes that dependant box types based on incoming connections
                 {
-                    bool keepUpdating = false;
-                    int updateLimit = 100;
+                    bool keepUpdating = true;
+                    int updatesMin = 2, updatesMax = 100;
                     do
                     {
+                        keepUpdating = false;
                         for (int i = 0; i < RootControl.Children.Count; i++)
                         {
-                            if (RootControl.Children[i] is SurfaceNode node && !node.HasDependentBoxesSetup)
+                            if (RootControl.Children[i] is SurfaceNode node)
                             {
                                 node.UpdateBoxesTypes();
-                                keepUpdating = true;
+                                var arch = node.Archetype;
+                                if (arch.DependentBoxes != null && arch.IndependentBoxes != null)
+                                {
+                                    foreach (var boxId in arch.DependentBoxes)
+                                    {
+                                        var b = node.GetBox(boxId);
+                                        if (b != null && b.CurrentType == b.DefaultType)
+                                        {
+                                            keepUpdating = true;
+                                        }
+                                    }
+                                }
                             }
                         }
-                    } while (keepUpdating && updateLimit-- > 0);
+                    } while ((keepUpdating && --updatesMax > 0) || --updatesMin > 0);
                 }
 
                 Loaded?.Invoke(this);