CollectionConstraintOverrideFacade.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "GeometryCollection/ManagedArrayAccessor.h"
#include "GeometryCollection/ManagedArrayCollection.h"
#include "GeometryCollection/Facades/CollectionSelectionFacade.h"
 
namespace GeometryCollection::Facades
{
    struct FConstraintOverridesCandidateData
    {
        FConstraintOverridesCandidateData()
            : VertexIndex(INDEX_NONE)
            , BoneIndex(INDEX_NONE)
        {}
 
        int32 VertexIndex;
        int32 BoneIndex;
    };
 
    struct FConstraintOverridesTargetData
    {
        FConstraintOverridesTargetData()
            : VertexIndex(INDEX_NONE)
        {}
 
        int32 VertexIndex;
        FVector3f PositionTarget;
    };
 
    class FConstraintOverrideCandidateFacade
    {
    public:
        static CHAOS_API const FName GroupName;
        static CHAOS_API const FName TargetIndex;
        static CHAOS_API const FName BoneIndex;
 
        CHAOS_API FConstraintOverrideCandidateFacade(FManagedArrayCollection& InCollection);
        CHAOS_API FConstraintOverrideCandidateFacade(const FManagedArrayCollection& InCollection);
 
        CHAOS_API void DefineSchema();
        bool IsConst() const { return Collection == nullptr; }
        CHAOS_API bool IsValid() const;
 
        CHAOS_API int32 Add(FConstraintOverridesCandidateData& InputData);
        CHAOS_API void Clear();
        CHAOS_API FConstraintOverridesCandidateData Get(const int32 Index) const;
        int32 Num() const { return TargetIndexAttribute.Num(); }
 
    private:
        const FManagedArrayCollection& ConstCollection;
        FManagedArrayCollection* Collection = nullptr;
 
        TManagedArrayAccessor<int32> TargetIndexAttribute;
        TManagedArrayAccessor<int32> BoneIndexAttribute;
    };
 
    class FConstraintOverrideTargetFacade
    {
    public:
        static CHAOS_API const FName GroupName;
        static CHAOS_API const FName TargetIndex;
        static CHAOS_API const FName TargetPosition;
 
        CHAOS_API FConstraintOverrideTargetFacade(FManagedArrayCollection& InCollection);
        CHAOS_API FConstraintOverrideTargetFacade(const FManagedArrayCollection& InCollection);
 
        CHAOS_API void DefineSchema();
        bool IsConst() const { return Collection == nullptr; }
        CHAOS_API bool IsValid() const;
 
        CHAOS_API int32 Add(FConstraintOverridesTargetData& InputData);
        CHAOS_API void Clear();
        CHAOS_API FConstraintOverridesTargetData Get(const int32 Index) const;
        CHAOS_API int32 GetIndex(const int32 Index) const;
        CHAOS_API const FVector3f& GetPosition(const int32 Index) const;
        int32 Num() const { return TargetIndexAttribute.Num(); }
 
    private:
        const FManagedArrayCollection& ConstCollection;
        FManagedArrayCollection* Collection = nullptr;
 
        TManagedArrayAccessor<int32> TargetIndexAttribute;
        TManagedArrayAccessor<FVector3f> TargetPositionAttribute;
    };
 
 
 
} // namespace GeometryCollection::Facades