SizeCriterion.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "Mesh/Criteria/Criterion.h"
 
namespace UE::CADKernel
{
struct FCurvePoint;
 
class FSizeCriterion : public FCriterion
{
    friend class FEntity;
 
protected:
    double Size;
 
    FSizeCriterion(double InSize = 1.)
        : Size(InSize)
    {
    }
 
    double ComputeSizeCriterionValue(double InDeltaU, double ChordLength) const
    {
        return  (ChordLength > DOUBLE_KINDA_SMALL_NUMBER) ? InDeltaU * Size / ChordLength : DOUBLE_BIG_NUMBER;
    }
 
public:
 
    void Serialize(FCADKernelArchive& Ar)
    {
        FCriterion::Serialize(Ar);
        Ar << Size;
    }
 
    double Value() const override
    {
        return Size;
    }
 
    static double DefaultValue(ECriterion Type)
    {
        switch (Type)
        {
        case ECriterion::MinSize:
            return 0.1;
        case ECriterion::MaxSize:
            return 30;
        }
        return 0;
    }
 
    void ApplyOnParameters(const TArray<double>& Coordinates, const TArray<FCurvePoint>& Points, TArray<double>& DeltaUMax, TArray<double>& DeltaUMins, TFunction<void(double, double&, double&)> UpdateDeltaU) const;
};
 
class FMinSizeCriterion : public FSizeCriterion
{
    friend class FEntity;
protected:
    FMinSizeCriterion(double InSize = 0.05)
        : FSizeCriterion(InSize)
    {
    }
 
public:
 
    virtual ECriterion GetCriterionType() const override
    {
        return ECriterion::MinSize;
    }
 
    virtual void ApplyOnEdgeParameters(FTopologicalEdge& Edge, const TArray<double>& Coordinates, const TArray<FCurvePoint>& Points) const override;
 
    virtual void UpdateDelta(double InDeltaU, double InUSag, double InDiagonalSag, double InVSag, double ChordLength, double DiagonalLength, double& OutSagDeltaUMax, double& OutSagDeltaUMin, FIsoCurvature& SurfaceCurvature) const override;
};
 
class FMaxSizeCriterion : public FSizeCriterion
{
    friend class FEntity;
protected:
    FMaxSizeCriterion(double InSize = 10000.)
        : FSizeCriterion(InSize)
    {
    }
 
public:
    virtual ECriterion GetCriterionType() const override
    {
        return ECriterion::MaxSize;
    }
 
    virtual void ApplyOnEdgeParameters(FTopologicalEdge& Edge, const TArray<double>& Coordinates, const TArray<FCurvePoint>& Points) const override;
 
    virtual void UpdateDelta(double InDeltaU, double InUSag, double InDiagonalSag, double InVSag, double ChordLength, double DiagonalLength, double& OutSagDeltaUMax, double& OutSagDeltaUMin, FIsoCurvature& SurfaceCurvature) const override;
};
 
} // namespace UE::CADKernel