SplitAttributeWelder.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
 
#pragma once
 
#include "Math/MathFwd.h"
 
namespace UE
{
namespace Geometry
{
 
class FDynamicMesh3;
 
template<typename RealType, int ElementSize, typename VectorType>
class TDynamicMeshVectorOverlay; 
 
 
class FSplitAttributeWelder
{
 
    typedef TDynamicMeshVectorOverlay<float, 2, FVector2f> FDynamicMeshUVOverlay;
    typedef TDynamicMeshVectorOverlay<float, 3, FVector3f> FDynamicMeshNormalOverlay;
    typedef TDynamicMeshVectorOverlay<float, 4, FVector4f> FDynamicMeshColorOverlay;
 
public:
 
    FSplitAttributeWelder() {}
 
 
    float UVDistSqrdThreshold = 0.f;
 
    float ColorDistSqrdThreshold = 0.f;
    
    float NormalVecDotThreshold = 0.f;
 
 
    float TangentVecDotThreshold = 0.f;
 
    GEOMETRYCORE_API void WeldSplitElements(FDynamicMesh3& ParentMesh, const int32 ParentVID);
    
 
    GEOMETRYCORE_API void WeldSplitElements(FDynamicMesh3& ParentMesh);
    
 
    static GEOMETRYCORE_API void WeldSplitUVs(const int32 ParentVID, FDynamicMeshUVOverlay& UVOverlay, float UVDistSqrdThreshold);
    
 
    static GEOMETRYCORE_API void WeldSplitUnitVectors(const int32 ParentVID, FDynamicMeshNormalOverlay& NormalOverlay, float DotThreshold, bool bMergeZeroVectors = true);
    
    static GEOMETRYCORE_API void WeldSplitColors(const int32 ParentVID, FDynamicMeshColorOverlay& ColorOverlay, float ColorDistSqrdThreshold);
 
};
 
} // end Geometry
} // end UE