MRBoxNesting.h

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#pragma once
#include "MRNestingStructures.h"
#include "MRMesh/MRVector.h"
#include "MRMesh/MRId.h"
#include "MRMesh/MRExpected.h"
 
namespace MR
{
 
 
namespace Nesting
{
 
struct BoxNestingCorner
{
    Vector3f pos;
    uint8_t bitMask{ 0 };
};

class MRMESH_CLASS IBoxNestingPriority
{
public:
    virtual ~IBoxNestingPriority() = default;

    virtual void init( const Box3f& thisBox ) = 0;

    virtual void addNested( const Box3f& box ) = 0;

    virtual double complete() const = 0;
};

MRMESH_API std::shared_ptr<IBoxNestingPriority> getNestPostionMinPriorityMetric( const Box3f& nest );

MRMESH_API std::shared_ptr<IBoxNestingPriority> getNeighborigDensityPriorityMetric( const Box3f& nest, float neighborhood );
 
struct BoxNestingOptions
{
    bool allow3dNesting{ true };

    bool allowRotation{ false };

    bool volumeBasedOrder = true;

    bool checkLessCombinations{ false };

    int iterationLimit = 10'000'000;

    std::shared_ptr<IBoxNestingPriority> priorityMetric;

    const Vector3f* expansionFactor{ nullptr };

    const std::vector<Box3f>* preNestedVolumes{ nullptr };

    const std::vector<BoxNestingCorner>* additinalSocketCorners{ nullptr };

    ProgressCallback cb;
};

MRMESH_API Expected<void> fillNestingSocketCorneres( const std::vector<Box3f>& nestedBoxes, std::vector<BoxNestingCorner>& outCorners, const ProgressCallback& cb = {} );
 
struct BoxNestingParams
{
    NestingBaseParams baseParams;
    BoxNestingOptions options;
};

MRMESH_API Expected<Vector<NestingResult, ObjId>> boxNesting( const Vector<MeshXf, ObjId>& meshes, const BoxNestingParams& params );
 
}
 
}