From 7f8729451ce75e41b9d8e4b354e67cf4c60a58fc Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Sun, 9 Mar 2025 20:39:13 +0100
Subject: [PATCH] Fix regression/crash in new `World Triplanar` node

#3214
---
 Source/Editor/Surface/Archetypes/Textures.cs              | 8 ++++----
 .../MaterialGenerator/MaterialGenerator.Textures.cpp      | 6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/Source/Editor/Surface/Archetypes/Textures.cs b/Source/Editor/Surface/Archetypes/Textures.cs
index 6fe682197..ff041f5b6 100644
--- a/Source/Editor/Surface/Archetypes/Textures.cs
+++ b/Source/Editor/Surface/Archetypes/Textures.cs
@@ -419,8 +419,8 @@ namespace FlaxEditor.Surface.Archetypes
                     NodeElementArchetype.Factory.Input(0, "Texture", true, typeof(FlaxEngine.Object), 0),
                     NodeElementArchetype.Factory.Input(1, "Scale", true, typeof(float), 1, 0),
                     NodeElementArchetype.Factory.Input(2, "Blend", true, typeof(float), 2, 1),
-                    NodeElementArchetype.Factory.Input(3, "Offset", true, typeof(Float2), 3, 2),
-                    NodeElementArchetype.Factory.Output(0, "Color", typeof(Float4), 5),
+                    NodeElementArchetype.Factory.Input(3, "Offset", true, typeof(Float2), 6, 2),
+                    NodeElementArchetype.Factory.Output(0, "Color", typeof(Float4), 3),
                     NodeElementArchetype.Factory.Text(0, Surface.Constants.LayoutOffsetY * 4, "Sampler"),
                     NodeElementArchetype.Factory.ComboBox(50, Surface.Constants.LayoutOffsetY * 4 - 1, 100, 3, typeof(CommonSamplerType)),
                     NodeElementArchetype.Factory.Text(155, Surface.Constants.LayoutOffsetY * 4, "Local"),
@@ -485,8 +485,8 @@ namespace FlaxEditor.Surface.Archetypes
                     NodeElementArchetype.Factory.Input(0, "Texture", true, typeof(FlaxEngine.Object), 0),
                     NodeElementArchetype.Factory.Input(1, "Scale", true, typeof(float), 1, 0),
                     NodeElementArchetype.Factory.Input(2, "Blend", true, typeof(float), 2, 1),
-                    NodeElementArchetype.Factory.Input(3, "Offset", true, typeof(Float2), 3, 2),
-                    NodeElementArchetype.Factory.Output(0, "Vector", typeof(Float3), 5),
+                    NodeElementArchetype.Factory.Input(3, "Offset", true, typeof(Float2), 6, 2),
+                    NodeElementArchetype.Factory.Output(0, "Vector", typeof(Float3), 3),
                     NodeElementArchetype.Factory.Text(0, Surface.Constants.LayoutOffsetY * 4, "Sampler"),
                     NodeElementArchetype.Factory.ComboBox(50, Surface.Constants.LayoutOffsetY * 4 - 1, 100, 3, typeof(CommonSamplerType)),
                     NodeElementArchetype.Factory.Text(155, Surface.Constants.LayoutOffsetY * 4, "Local"),
diff --git a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Textures.cpp b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Textures.cpp
index 5e4484605..1805445c4 100644
--- a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Textures.cpp
+++ b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Textures.cpp
@@ -706,11 +706,11 @@ void MaterialGenerator::ProcessGroupTextures(Box* box, Node* node, Value& value)
         const auto texture = eatBox(textureBox->GetParent<Node>(), textureBox->FirstConnection());
         const auto scale = tryGetValue(node->GetBox(1), node->Values[0]).AsFloat();
         const auto blend = tryGetValue(node->GetBox(2), node->Values[1]).AsFloat();
-        const auto offset = tryGetValue(node->GetBox(3), node->Values.Count() > 2 ? node->Values[2] : Float2::Zero).AsFloat2();
+        const auto offset = tryGetValue(node->TryGetBox(6), node->Values.Count() >= 3 ? node->Values[2] : Float2::Zero).AsFloat2();
         const bool local = node->Values.Count() >= 5 ? node->Values[4].AsBool : false;
 
         const Char* samplerName;
-        const int32 samplerIndex = node->Values[3].AsInt;
+        const int32 samplerIndex = node->Values.Count() >= 4 ? node->Values[3].AsInt : LinearWrap;
         if (samplerIndex == TextureGroup)
         {
             auto& textureGroupSampler = findOrAddTextureGroupSampler(node->Values[3].AsInt);
@@ -795,7 +795,7 @@ void MaterialGenerator::ProcessGroupTextures(Box* box, Node* node, Value& value)
         const auto texture = eatBox(textureBox->GetParent<Node>(), textureBox->FirstConnection());
         const auto scale = tryGetValue(node->GetBox(1), node->Values[0]).AsFloat();
         const auto blend = tryGetValue(node->GetBox(2), node->Values[1]).AsFloat();
-        const auto offset = tryGetValue(node->GetBox(3), node->Values[2]).AsFloat2();
+        const auto offset = tryGetValue(node->GetBox(6), node->Values[2]).AsFloat2();
         const bool local = node->Values.Count() >= 5 ? node->Values[4].AsBool : false;
 
         const Char* samplerName;