From b208b7066bde73fc0f7fdd8e628c1373b3e8d10f Mon Sep 17 00:00:00 2001
From: stefnotch <brandmairstefan@gmail.com>
Date: Sat, 23 Jan 2021 11:35:50 +0100
Subject: [PATCH] Fix fade distance (use input box as well)

---
 .../Tools/MaterialGenerator/MaterialGenerator.Material.cpp    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Material.cpp b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Material.cpp
index 998c3f3a3..f805264f5 100644
--- a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Material.cpp
+++ b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Material.cpp
@@ -274,8 +274,10 @@ void MaterialGenerator::ProcessGroupMaterial(Box* box, Node* node, Value& value)
         // Compute depth difference
         auto depthDiff = writeLocal(VariantType::Float, String::Format(TEXT("{0} * ViewFar - {1}"), sceneDepth.Value, posVS.Value), node);
 
+        auto fadeDistance = tryGetValue(node->GetBox(0), node->Values[0]).AsFloat();
+
         // Apply smoothing factor and clamp the result
-        value = writeLocal(VariantType::Float, String::Format(TEXT("saturate({0} / {1})"), depthDiff.Value, node->Values[0].AsFloat), node);
+        value = writeLocal(VariantType::Float, String::Format(TEXT("saturate({0} / {1})"), depthDiff.Value, fadeDistance.Value), node);
         break;
     }
         // Material Function