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a95124d72e
#rb rinat.abdrashitov #preflight 634ed9bfac7f102b31e5cb58 [CL 22704078 by nathan mitchell in ue5-main branch]
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "DynamicMesh/DynamicMesh3.h"
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#include "DynamicMesh/DynamicMeshAttributeSet.h"
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namespace UE
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{
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namespace Geometry
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{
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struct FUVOverlayView;
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class FMeshConnectedComponents;
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/**
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* FDynamicMeshUDIMClassifier is a utility class for identifying active UDIMs from a FDynamicMesh's UV overlay
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*/
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class DYNAMICMESH_API FDynamicMeshUDIMClassifier
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{
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public:
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explicit FDynamicMeshUDIMClassifier(const FDynamicMeshUVOverlay* UVOverlay, TOptional<TArray<int32>> Selection = TOptional<TArray<int32>>());
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TArray<FVector2i> ActiveTiles() const;
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TArray<int32> TidsForTile(FVector2i TileIndexIn) const;
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static FVector2i ClassifyTrianglesToUDIM(const FDynamicMeshUVOverlay* UVOverlay, TArray<int32> Tids);
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static FVector2i ClassifyBoundingBoxToUDIM(const FDynamicMeshUVOverlay* UVOverlay, const FAxisAlignedBox2d& BoundingBox);
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static FVector2i ClassifyPointToUDIM(const FVector2f& UVPoint);
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protected:
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void ClassifyUDIMs();
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/** The UV Overlay to analyze for UDIMs */
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const FDynamicMeshUVOverlay* UVOverlay = nullptr;
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TOptional<TArray<int32>> Selection;
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TMap<FVector2i, TArray<int32> > UDIMs;
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};
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}
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} |