MRPointCloud.h

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#pragma once
 
#include "MRVector.h"
#include "MRVector3.h"
#include "MRBitSet.h"
#include "MRMeshFwd.h"
#include "MRSharedThreadSafeOwner.h"
#include "MRCloudPartMapping.h"
 
namespace MR
{


struct PointCloud
{
    VertCoords points;

    VertNormals normals;

    VertBitSet validPoints;

    [[nodiscard]] size_t calcNumValidPoints() const { return validPoints.count(); }

    [[nodiscard]] bool hasNormals() const { return normals.size() >= points.size(); }

    [[nodiscard]] const VertBitSet & getVertIds( const VertBitSet * region ) const
    {
        assert( !region || region->is_subset_of( validPoints ) ); 
        return region ? *region : validPoints;
    }

    MRMESH_API const AABBTreePoints& getAABBTree() const;

    [[nodiscard]] const AABBTreePoints * getAABBTreeNotCreate() const { return AABBTreeOwner_.get(); }

    [[nodiscard]] MRMESH_API Box3f getBoundingBox() const;

    [[nodiscard]] MRMESH_API Box3f computeBoundingBox( const AffineXf3f * toWorld = nullptr ) const;

    [[nodiscard]] MRMESH_API Box3f computeBoundingBox( const VertBitSet * region, const AffineXf3f * toWorld = nullptr ) const;

    [[nodiscard]] MRMESH_API Vector3f findCenterFromPoints() const;

    [[nodiscard]] MRMESH_API Vector3f findCenterFromBBox() const;

    MRMESH_API void transform( const AffineXf3f& xf, const VertBitSet* region = nullptr );

    [[nodiscard]] MRMESH_API std::vector<VertId> getLexicographicalOrder() const;

    MRMESH_API void addPartByMask( const PointCloud& from, const VertBitSet& fromVerts, const CloudPartMapping& outMap = {},
        const VertNormals * extNormals = nullptr );

    MRMESH_API VertId addPoint( const Vector3f& point );

    MRMESH_API VertId addPoint( const Vector3f& point, const Vector3f& normal );

    MRMESH_API void mirror( const Plane3f& plane );

    MRMESH_API void flipOrientation( const VertBitSet * region = nullptr );

    MRMESH_API bool pack( VertMap * outNew2Old = nullptr );

    MRMESH_API VertBMap pack( Reorder reoder );

    void invalidateCaches() { AABBTreeOwner_.reset(); }

    [[nodiscard]] MRMESH_API size_t heapBytes() const;
 
private:
    mutable SharedThreadSafeOwner<AABBTreePoints> AABBTreeOwner_;
};
 
}