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Cloth - Tidy up ClothingAsset and ClothPhysicalMeshData to allow for more cloth data caching. #rb Benn.Gallagher, Cedric.Caillaud, Michael.Forot #preflight 16823444 #ROBOMERGE-SOURCE: CL 16882246 #ROBOMERGE-BOT: (v836-16769935) [CL 16913004 by kriss gossart in ue5-main branch]
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/ContainersFwd.h"
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#include "ClothTetherData.generated.h"
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/**
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* Long range attachment tether pathfinding based on Dijkstra's algorithm.
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* For more information about the long range attachment, see:
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* https://matthias-research.github.io/pages/publications/sca2012cloth.pdf
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*/
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USTRUCT()
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struct FClothTetherData
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{
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GENERATED_BODY()
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/** Long range attachment tether start/end/length, sorted in sequential batches of independant tethers. */
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TArray<TArray<TTuple<int32, int32, float>>> Tethers;
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/**
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* Generate the tethers by following the triangle mesh network from the closest kinematic to each dynamic point.
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* Inside array items can be processed concurrently, but the outside array must be iterated on sequentially.
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*/
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void GenerateTethers(
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const TConstArrayView<FVector3f>& Points, // Reference pose
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const TConstArrayView<uint32>& Indices, // Triangle mesh
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const TConstArrayView<float>& MaxDistances, // Mask for sorting the kinematic from the dynamic points
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bool bUseGeodesicDistance); // Whether to use geodesic (walking along the sruface) or euclidean (beeline) distances to find the tethers.
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/** Custom serializer, since neiher an array of array nor a tuple can be set as a UPROPERTY. */
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bool Serialize(FArchive& Ar);
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};
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template<>
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struct TStructOpsTypeTraits<FClothTetherData> : public TStructOpsTypeTraitsBase2<FClothTetherData>
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{
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enum
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{
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WithSerializer = true,
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};
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};
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