From 1e44bb18321e19a6290721714a6bbe6091576ab4 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Mon, 23 Mar 2026 18:29:01 +0100
Subject: [PATCH] Optimize Visject native graph connections loading with less
 loops

---
 Source/Engine/Visject/Graph.h | 26 ++++++++------------------
 1 file changed, 8 insertions(+), 18 deletions(-)

diff --git a/Source/Engine/Visject/Graph.h b/Source/Engine/Visject/Graph.h
index 19aa3e892..700cea17f 100644
--- a/Source/Engine/Visject/Graph.h
+++ b/Source/Engine/Visject/Graph.h
@@ -27,8 +27,9 @@ public:
     typedef ParameterType Parameter;
 
 private:
-    struct TmpConnectionHint
+    struct PendingConnectionHint
     {
+        GraphBox** Target;
         Node* Node;
         byte BoxID;
     };
@@ -177,7 +178,7 @@ public:
         uint32 version;
         stream->ReadUint32(&version);
 
-        Array<TmpConnectionHint> tmpHints;
+        Array<PendingConnectionHint> tmpHints;
         if (version < 7000)
         {
             LOG(Warning, "Not supported Visject Surface version. Open and re-save asset with Flax 1.11.");
@@ -252,12 +253,12 @@ public:
                         uint32 targetNodeID;
                         stream->ReadUint32(&targetNodeID);
                         byte targetBoxID = stream->ReadByte();
-                        TmpConnectionHint hint;
+                        PendingConnectionHint hint;
                         hint.Node = GetNode(targetNodeID);
                         if (hint.Node == nullptr)
                             return true;
                         hint.BoxID = targetBoxID;
-                        box->Connections[k] = (Box*)(intptr)tmpHints.Count();
+                        hint.Target = &box->Connections[k];
                         tmpHints.Add(hint);
                     }
                 }
@@ -275,21 +276,10 @@ public:
                 return true;
 
             // Setup connections
-            for (int32 i = 0; i < Nodes.Count(); i++)
+            for (int32 hintIndex = 0; hintIndex < tmpHints.Count(); hintIndex++)
             {
-                auto node = &Nodes[i];
-                for (int32 j = 0; j < node->Boxes.Count(); j++)
-                {
-                    Box* box = &node->Boxes[j];
-                    if (box->Parent == nullptr)
-                        continue;
-                    for (int32 k = 0; k < box->Connections.Count(); k++)
-                    {
-                        int32 hintIndex = (int32)(intptr)box->Connections[k];
-                        TmpConnectionHint hint = tmpHints[hintIndex];
-                        box->Connections[k] = hint.Node->GetBox(hint.BoxID);
-                    }
-                }
+                PendingConnectionHint hint = tmpHints[hintIndex];
+                *hint.Target = hint.Node->GetBox(hint.BoxID);
             }
 
             // Ending char