OpenHUTB · donghaiwang · Dec 22, 2025 · Dec 21, 2025
diff --git a/Engine/Plugins/Animation/LiveLink/Source/LiveLink/Private/LiveLinkClient.cpp b/Engine/Plugins/Animation/LiveLink/Source/LiveLink/Private/LiveLinkClient.cpp
@@ -40,6 +40,7 @@
 #include "VirtualSubjects/LiveLinkBlueprintVirtualSubject.h"
 #endif
 
+#include <limits>
 
 /**
  * Declare stats to see what takes up time in LiveLink
@@ -1667,7 +1668,7 @@ void FLiveLinkClient_Base_DEPRECATED::PushSubjectData(FGuid InSourceGuid, FName
 	}
 	for (int32 i = MaxNumberOfProperties; i < NumberOfPropertyNames; ++i)
 	{
-		NewData.PropertyValues[i] = INFINITY;
+		NewData.PropertyValues[i] = std::numeric_limits<float>::infinity();
 	}
 	PushSubjectFrameData_AnyThread(SubjectKey, MoveTemp(AnimationStruct));
 }

diff --git a/...Test/NetcodeUnitTest/Source/NetcodeUnitTest/Private/UnitTests/Engine/PackedVectorTest.cpp b/...Test/NetcodeUnitTest/Source/NetcodeUnitTest/Private/UnitTests/Engine/PackedVectorTest.cpp
@@ -4,6 +4,7 @@
 #include "Engine/NetSerialization.h"
 #include "UnitTestEnvironment.h"
 #include <cmath>
+#include <limits>
 
 namespace PackedVectorTest
 {
@@ -54,7 +55,7 @@ bool UPackedVectorTest::ExecuteUnitTest()
 		-180817.42f,
 		47.11f,
 		-FMath::Exp2(25.0f), // overflow
-		INFINITY, // non-finite
+		std::numeric_limits<float>::infinity(), // non-finite
 	};
 
 	static const float Quantize100_Values[] =
@@ -63,7 +64,7 @@ bool UPackedVectorTest::ExecuteUnitTest()
 		+180720.42f,
 		-19751216.0f,
 		FMath::Exp2(31.0f),
-		-INFINITY,
+		-std::numeric_limits<float>::infinity(),
 	};
 
 	struct TestCase

diff --git a/Engine/Plugins/Runtime/AudioSynesthesia/Source/AudioSynesthesiaCore/Private/PeakPicker.cpp b/Engine/Plugins/Runtime/AudioSynesthesia/Source/AudioSynesthesiaCore/Private/PeakPicker.cpp
@@ -3,6 +3,7 @@
 #include "PeakPicker.h"
 #include "CoreMinimal.h"
 #include "DSP/FloatArrayMath.h"
+#include <limits>
 
 namespace Audio
 {
@@ -15,7 +16,7 @@ namespace Audio
 		Settings.NumPreMean = FMath::Max(1, Settings.NumPreMean);
 		Settings.NumPostMean = FMath::Max(1, Settings.NumPostMean);
 		Settings.NumWait = FMath::Max(1, Settings.NumWait);
-		Settings.MeanDelta = FMath::Clamp(Settings.MeanDelta, 1e-6f, INFINITY);
+		Settings.MeanDelta = FMath::Clamp(Settings.MeanDelta, 1e-6f, std::numeric_limits<float>::infinity());
 	}
 
 	void FPeakPicker::PickPeaks(TArrayView<const float> InData, TArray<int32>& OutPeakIndices)

diff --git a/Engine/Source/Developer/MaterialBaking/Private/ExportMaterialProxy.h b/Engine/Source/Developer/MaterialBaking/Private/ExportMaterialProxy.h
@@ -321,7 +321,7 @@ class FExportMaterialProxy : public FMaterial, public FMaterialRenderProxy
 
 	////////////////
 	// FMaterialRenderProxy interface.
-	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type FeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
+	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type InFeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
 	{
 		if(GetRenderingThreadShaderMap())
 		{
@@ -330,7 +330,7 @@ class FExportMaterialProxy : public FMaterial, public FMaterialRenderProxy
 		else
 		{
 			OutFallbackMaterialRenderProxy = UMaterial::GetDefaultMaterial(MD_Surface)->GetRenderProxy();
-			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(FeatureLevel, OutFallbackMaterialRenderProxy);
+			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(InFeatureLevel, OutFallbackMaterialRenderProxy);
 		}
 	}
 
@@ -627,4 +627,4 @@ class FExportMaterialProxy : public FMaterial, public FMaterialRenderProxy
 	EMaterialProperty PropertyToCompile;
 	FGuid Id;
 	bool bSynchronousCompilation;
-};
+};
diff --git a/Engine/Source/Developer/MaterialUtilities/Private/MaterialUtilities.cpp b/Engine/Source/Developer/MaterialUtilities/Private/MaterialUtilities.cpp
@@ -490,7 +490,7 @@ class FExportMaterialProxy : public FMaterial, public FMaterialRenderProxy
 
 	////////////////
 	// FMaterialRenderProxy interface.
-	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type FeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
+	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type InFeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
 	{
 		if(GetRenderingThreadShaderMap())
 		{
@@ -499,7 +499,7 @@ class FExportMaterialProxy : public FMaterial, public FMaterialRenderProxy
 		else
 		{
 			OutFallbackMaterialRenderProxy = UMaterial::GetDefaultMaterial(MD_Surface)->GetRenderProxy();
-			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(FeatureLevel, OutFallbackMaterialRenderProxy);
+			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(InFeatureLevel, OutFallbackMaterialRenderProxy);
 		}
 	}
 

diff --git a/Engine/Source/Editor/MaterialEditor/Private/MaterialEditor.h b/Engine/Source/Editor/MaterialEditor/Private/MaterialEditor.h
@@ -102,7 +102,7 @@ class FMatExpressionPreview : public FMaterial, public FMaterialRenderProxy
 	////////////////
 	// FMaterialRenderProxy interface.
 
-	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type FeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
+	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type InFeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
 	{
 		if(GetRenderingThreadShaderMap())
 		{
@@ -111,7 +111,7 @@ class FMatExpressionPreview : public FMaterial, public FMaterialRenderProxy
 		else
 		{
 			OutFallbackMaterialRenderProxy = UMaterial::GetDefaultMaterial(MD_Surface)->GetRenderProxy();
-			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(FeatureLevel, OutFallbackMaterialRenderProxy);
+			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(InFeatureLevel, OutFallbackMaterialRenderProxy);
 		}
 	}
 

diff --git a/Engine/Source/Editor/UnrealEd/Private/Lightmass/LightmassRender.cpp b/Engine/Source/Editor/UnrealEd/Private/Lightmass/LightmassRender.cpp
@@ -316,7 +316,7 @@ class FLightmassMaterialProxy : public FMaterial, public FMaterialRenderProxy
 
 	////////////////
 	// FMaterialRenderProxy interface.
-	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type FeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
+	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type InFeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
 	{
 		if(GetRenderingThreadShaderMap())
 		{
@@ -325,7 +325,7 @@ class FLightmassMaterialProxy : public FMaterial, public FMaterialRenderProxy
 		else
 		{
 			OutFallbackMaterialRenderProxy = UMaterial::GetDefaultMaterial(MD_Surface)->GetRenderProxy();
-			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(FeatureLevel, OutFallbackMaterialRenderProxy);
+			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(InFeatureLevel, OutFallbackMaterialRenderProxy);
 		}
 	}
 

diff --git a/Engine/Source/Editor/UnrealEd/Private/PreviewMaterial.cpp b/Engine/Source/Editor/UnrealEd/Private/PreviewMaterial.cpp
@@ -229,7 +229,7 @@ class FPreviewMaterial : public FMaterialResource, public FMaterialRenderProxy
 	virtual bool IsPersistent() const { return false; }
 
 	// FMaterialRenderProxy interface
-	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type FeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
+	virtual const FMaterial& GetMaterialWithFallback(ERHIFeatureLevel::Type InFeatureLevel, const FMaterialRenderProxy*& OutFallbackMaterialRenderProxy) const override
 	{
 		if(GetRenderingThreadShaderMap())
 		{
@@ -238,7 +238,7 @@ class FPreviewMaterial : public FMaterialResource, public FMaterialRenderProxy
 		else
 		{
 			OutFallbackMaterialRenderProxy = UMaterial::GetDefaultMaterial(MD_Surface)->GetRenderProxy();
-			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(FeatureLevel, OutFallbackMaterialRenderProxy);
+			return OutFallbackMaterialRenderProxy->GetMaterialWithFallback(InFeatureLevel, OutFallbackMaterialRenderProxy);
 		}
 	}
 

diff --git a/Engine/Source/Runtime/Experimental/Voronoi/Private/Voronoi/Voronoi.cpp b/Engine/Source/Runtime/Experimental/Voronoi/Private/Voronoi/Voronoi.cpp
@@ -1,11 +1,12 @@
 // Copyright Epic Games, Inc. All Rights Reserved.
 #include "Voronoi/Voronoi.h"
 
-
 THIRD_PARTY_INCLUDES_START
 #include "voro++/voro++.hh"
 THIRD_PARTY_INCLUDES_END
 
+#include <limits>
+
 namespace {
 
 	// initialize AABB, ignoring NaNs
@@ -80,7 +81,7 @@ namespace {
 
 		// If points are too far apart, voro++ will ask for unbounded memory to build its grid over space
 		// TODO: Figure out reasonable bounds / behavior for this case
-		ensure(BoundingBoxSize.GetMax() < HUGE_VALF);
+		ensure(BoundingBoxSize.GetMax() < std::numeric_limits<float>::max());
 
 
 		int NumSites = Sites.Num();
@@ -273,4 +274,4 @@ int32 FVoronoiDiagram::FindCell(const FVector& Pos)
 //	Voronoi.ComputeAllCells(AllCells);
 //}
 
-const float FVoronoiDiagram::DefaultBoundingBoxSlack = .1f;
+const float FVoronoiDiagram::DefaultBoundingBoxSlack = .1f;
diff --git a/Engine/Source/Runtime/RenderCore/Private/RenderGraphPrivate.cpp b/Engine/Source/Runtime/RenderCore/Private/RenderGraphPrivate.cpp
@@ -1,6 +1,8 @@
 // Copyright Epic Games, Inc. All Rights Reserved.
 
 #include "RenderGraphPrivate.h"
+#include <limits>
+#include <cmath>
 
 #if RDG_ENABLE_DEBUG
 
@@ -170,19 +172,25 @@ bool IsDebugAllowedForResource(const TCHAR* ResourceName)
 
 FLinearColor GetClobberColor()
 {
-	switch (GRDGClobberResources)
+	float x;
+	switch ((int32_t)GRDGClobberResources)
 	{
 	case 1:
-		return FLinearColor(1000, 1000, 1000, 1000);
+		x = 1000.0F;
+		break;
 	case 2:
-		return FLinearColor(NAN, NAN, NAN, NAN);
+		x = std::numeric_limits<float>::quiet_NaN();
+		break;
 	case 3:
-		return FLinearColor(INFINITY, INFINITY, INFINITY, INFINITY);
+		x = std::numeric_limits<float>::infinity();
+		break;
 	case 4:
-		return FLinearColor(0, 0, 0, 0);
+		x = 0.0F;
+		break;
 	default:
 		return FLinearColor::Black;
 	}
+	return FLinearColor(x, x, x, x);
 }
 
 uint32 GetClobberBufferValue()
@@ -395,4 +403,4 @@ void InitRenderGraph()
 		CVarRDGDebugResourceFilter->Set(*ResourceFilter);
 	}
 #endif
-}
+}