GeometryCollectionConvexPropertiesInterface.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "GeometryCollection/ManagedArrayCollection.h"
#include "GeometryCollection/GeometryCollectionConvexUtility.h"
 
class FGeometryCollection;
 
class FGeometryCollectionConvexPropertiesInterface : public FManagedArrayInterface
{
public :
    typedef FManagedArrayInterface Super;
    using FManagedArrayInterface::ManagedCollection;
 
    // Convex Properties Group Name
    static CHAOS_API const FName ConvexPropertiesGroup; 
    // Attribute
    static CHAOS_API const FName ConvexIndexAttribute;
    // Attribute
    static CHAOS_API const FName ConvexEnable;
    // Attribute
    static CHAOS_API const FName ConvexFractionRemoveAttribute;
    // Attribute
    static CHAOS_API const FName ConvexSimplificationThresholdAttribute;
    // Attribute
    static CHAOS_API const FName ConvexCanExceedFractionAttribute;
    // Attribute
    static CHAOS_API const FName ConvexRemoveOverlapsMethodAttribute;
    // Attribute
    static CHAOS_API const FName ConvexRemoveOverlapsShrinkAttribute;
 
 
    struct FConvexCreationProperties {
        bool Enable = true;
        float FractionRemove = 0.5f;
        float SimplificationThreshold = 10.0f;
        float CanExceedFraction = 0.5f;
        EConvexOverlapRemoval RemoveOverlaps = EConvexOverlapRemoval::All;
        float OverlapRemovalShrinkPercent = 0.0f;
    };
 
    CHAOS_API FGeometryCollectionConvexPropertiesInterface(FManagedArrayCollection* InGeometryCollection);
 
    CHAOS_API void InitializeInterface() override;
 
    CHAOS_API void CleanInterfaceForCook() override;
    
    CHAOS_API void RemoveInterfaceAttributes() override;
 
    CHAOS_API FConvexCreationProperties GetConvexProperties(int TransformGroupIndex = INDEX_NONE) const;
    CHAOS_API void SetConvexProperties(const FConvexCreationProperties&, int TransformGroupIndex = INDEX_NONE);
private:
 
    void SetDefaultProperty();
    FConvexCreationProperties GetDefaultProperty() const;
};