ClothTetherData.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "Containers/Array.h"
#include "Containers/ContainersFwd.h"
#include "Math/UnrealMathSSE.h"
#include "Templates/Tuple.h"
#include "UObject/Class.h"
#include "UObject/ObjectMacros.h"
 
#include "ClothTetherData.generated.h"
 
class FArchive;
 
USTRUCT()
struct FClothTetherData
{
    GENERATED_BODY()
 
    
    TArray<TArray<TTuple<int32, int32, float>>> Tethers;
    
    CLOTHINGSYSTEMRUNTIMECOMMON_API void GenerateTethers(
        const TConstArrayView<FVector3f>& Points,  // Reference pose
        const TConstArrayView<uint32>& Indices,  // Triangle mesh
        const TConstArrayView<float>& MaxDistances,  // Mask for sorting the kinematic from the dynamic points
        bool bUseGeodesicDistance);  // Whether to use geodesic (walking along the surface) or euclidean (beeline) distances to find the tethers.
    
    CLOTHINGSYSTEMRUNTIMECOMMON_API void GenerateTethers(
        const TConstArrayView<FVector3f>& Points,  // Reference pose
        const TConstArrayView<uint32>& Indices,  // Triangle mesh
        const TConstArrayView<float>& MaxDistances,  // Mask for sorting the kinematic from the dynamic points
        const TConstArrayView<float>& TetherEnds,  // Separate mask for specifying tether ends (using same < 0.1 cutoff as MaxDistances). Actual tether end set is the intersection of tether ends and kinematic points.
        bool bUseGeodesicDistance);  // Whether to use geodesic (walking along the surface) or euclidean (beeline) distances to find the tethers.
    
    CLOTHINGSYSTEMRUNTIMECOMMON_API void GenerateTethers(
        const TConstArrayView<FVector3f>& Points,  // Reference pose
        const TConstArrayView<uint32>& Indices,  // Triangle mesh
        const TSet<int32>& KinematicNodes,  // kinematic indices
        bool bUseGeodesicDistance);  // Whether to use geodesic (walking along the surface) or euclidean (beeline) distances to find the tethers.
    
    CLOTHINGSYSTEMRUNTIMECOMMON_API void GenerateTethers(
        const TConstArrayView<FVector3f>& Points,  // Reference pose
        const TConstArrayView<uint32>& Indices,  // Triangle mesh
        const TSet<int32>& KinematicNodes,  // all kinematic indices
        const TSet<int32>& FixedEndNodes,  // subset of kinematic indices used for fixed end.
        const TSet<int32>& DynamicEndNodes,  // subset of dynamic indices to create tethers for.
        bool bUseGeodesicDistance);  // Whether to use geodesic (walking along the surface) or euclidean (beeline) distances to find the tethers.
 
    CLOTHINGSYSTEMRUNTIMECOMMON_API void GenerateTethers(
        TArray<TArray<TPair<float, int32>>>&& PerDynamicNodeTethers);
 
    bool Serialize(FArchive& Ar);
};
 
template<>
struct TStructOpsTypeTraits<FClothTetherData> : public TStructOpsTypeTraitsBase2<FClothTetherData>
{
    enum
    {
        WithSerializer = true,
    };
    static constexpr EPropertyObjectReferenceType WithSerializerObjectReferences = EPropertyObjectReferenceType::None;
};