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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2025 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
Class
    Foam::refinementSurfaces
Description
    Container for data on surfaces used for surface-driven refinement.
    Contains all the data about the level of refinement needed per
    surface.
SourceFiles
    refinementSurfaces.C
\*---------------------------------------------------------------------------*/

#ifndef refinementSurfaces_H
#define refinementSurfaces_H

#include "primitiveFields.H"
#include "pointFields.H"
#include "vectorList.H"
#include "pointIndexHit.H"
#include "surfaceZonesInfo.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

class searchableSurfaceList;
class refinementRegions;

typedef List<point> pointList;

/*---------------------------------------------------------------------------*\
                     Class refinementSurfaces Declaration
\*---------------------------------------------------------------------------*/

class refinementSurfaces
{
    // Private Data

        //- Reference to all geometry.
        const searchableSurfaceList& allGeometry_;

        //- Indices of surfaces that are refinement ones
        labelList surfaces_;

        //- Surface name (word)
        wordList names_;

        //- List of surface zone (face and cell zone) information
        PtrList<surfaceZonesInfo> surfZones_;

        //- From local region number to global region number
        labelList regionOffset_;

        //- From global region number to refinement level
        labelList minLevel_;

        //- From global region number to refinement level
        labelList maxLevel_;

        //- From global region number to small-gap level
        labelList gapLevel_;

        //- From global region number to perpendicular angle
        scalarField perpendicularAngle_;

        //- From global region number to patchType
        PtrList<dictionary> patchInfo_;


public:

    // Constructors

        //- Construct from surfaces and dictionary
        refinementSurfaces
        (
            const searchableSurfaceList& allGeometry,
            const dictionary&,
            const label gapLevelIncrement
        );

        //- Construct from components
        refinementSurfaces
        (
            const searchableSurfaceList& allGeometry,
            const labelList& surfaces,
            const wordList& names,
            const PtrList<surfaceZonesInfo>& surfZones,
            const labelList& regionOffset,
            const labelList& minLevel,
            const labelList& maxLevel,
            const labelList& gapLevel,
            const scalarField& perpendicularAngle,
            PtrList<dictionary>& patchInfo
        );

        //- Disallow default bitwise copy construction
        refinementSurfaces(const refinementSurfaces&) = delete;


    // Member Functions

        // Access

            const searchableSurfaceList& geometry() const
            {
                return allGeometry_;
            }

            const labelList& surfaces() const
            {
                return surfaces_;
            }

            //- Names of surfaces
            const wordList& names() const
            {
                return names_;
            }

            const PtrList<surfaceZonesInfo>& surfZones() const
            {
                return surfZones_;
            }

            //- From local region number to global region number
            const labelList& regionOffset() const
            {
                return regionOffset_;
            }

            //- From global region number to refinement level
            const labelList& minLevel() const
            {
                return minLevel_;
            }

            //- From global region number to refinement level
            const labelList& maxLevel() const
            {
                return maxLevel_;
            }

            //- From global region number to small gap refinement level
            const labelList& gapLevel() const
            {
                return gapLevel_;
            }

            //- From global region number to perpendicular angle
            const scalarField& perpendicularAngle() const
            {
                return perpendicularAngle_;
            }

            //- From global region number to patch type
            const PtrList<dictionary>& patchInfo() const
            {
                return patchInfo_;
            }


        // Helper

            //- From surface and region on surface to global region
            label globalRegion(const label surfi, const label regioni) const
            {
                return regionOffset_[surfi]+regioni;
            }

            //- Min level for surface and region on surface
            label minLevel(const label surfi, const label regioni) const
            {
                return minLevel_[globalRegion(surfi, regioni)];
            }

            //- Max level for surface and region on surface
            label maxLevel(const label surfi, const label regioni) const
            {
                return maxLevel_[globalRegion(surfi, regioni)];
            }

            label nRegions() const
            {
                return minLevel_.size();
            }

            //- Calculate the refinement level for every element
            //  of the searchablesurface
            void setMinLevelFields
            (
                const refinementRegions& shells,
                const scalar level0EdgeLength,
                const bool extendedRefinementSpan
            );


        // Searching

            //- Find intersection of edge. Return -1 or first surface
            //  with higher (than currentLevel) minlevel.
            //  Return surface number and level.
            void findHigherIntersection
            (
                const pointField& start,
                const pointField& end,
                const labelList& currentLevel,  // current cell refinement level
                labelList& surfaces,
                labelList& surfaceLevel
            ) const;

            //- Find all intersections of edge. Unsorted order.
            void findAllHigherIntersections
            (
                const pointField& start,
                const pointField& end,
                const labelList& currentLevel,  // current cell refinement level
                const labelList& globalRegionLevel, // level per surfregion
                List<vectorList>& surfaceNormal,
                labelListList& surfaceLevel
            ) const;

            //- Find all intersections of edge. Unsorted order.
            void findAllHigherIntersections
            (
                const pointField& start,
                const pointField& end,
                const labelList& currentLevel,  // current cell refinement level
                const labelList& globalRegionLevel, // level per surfregion
                List<pointList>& surfaceLocation,
                List<vectorList>& surfaceNormal,
                labelListList& surfaceLevel
            ) const;

            //- Find intersection nearest to the endpoints. surface1,2 are
            //  not indices into surfacesToTest but refinement surface indices.
            //  Returns surface, region on surface (so not global surface)
            //  and position on surface.
            void findNearestIntersection
            (
                const labelList& surfacesToTest,
                const pointField& start,
                const pointField& end,
                labelList& surface1,
                List<pointIndexHit>& hit1,
                labelList& region1,
                labelList& surface2,
                List<pointIndexHit>& hit2,
                labelList& region2
            ) const;

            //- findNearestIntersection but also get normals
            void findNearestIntersection
            (
                const labelList& surfacesToTest,
                const pointField& start,
                const pointField& end,
                labelList& surface1,
                List<pointIndexHit>& hit1,
                labelList& region1,
                vectorField& normal1,
                labelList& surface2,
                List<pointIndexHit>& hit2,
                labelList& region2,
                vectorField& normal2
            ) const;

            //- Used for debugging only: find intersection of edge.
            void findAnyIntersection
            (
                const pointField& start,
                const pointField& end,
                labelList& surfaces,
                List<pointIndexHit>&
            ) const;

            //- Find nearest point on surfaces.
            void findNearest
            (
                const labelList& surfacesToTest,
                const pointField& samples,
                const scalarField& nearestDistSqr,
                labelList& surfaces,
                List<pointIndexHit>&
            ) const;

            //- Find nearest point on surfaces. Return surface and region on
            //  surface (so not global surface)
            void findNearestRegion
            (
                const labelList& surfacesToTest,
                const pointField& samples,
                const scalarField& nearestDistSqr,
                labelList& hitSurface,
                labelList& hitRegion
            ) const;

            //- Find nearest point on surfaces. Return surface, region and
            //  normal on surface (so not global surface)
            void findNearestRegion
            (
                const labelList& surfacesToTest,
                const pointField& samples,
                const scalarField& nearestDistSqr,
                labelList& hitSurface,
                List<pointIndexHit>& hitinfo,
                labelList& hitRegion,
                vectorField& hitNormal
            ) const;

            //- Detect if a point is 'inside' (closed) surfaces.
            //  Returns -1 if not, returns first surface it is.
            void findInside
            (
                const labelList& surfacesToTest,
                const pointField& pt,
                labelList& insideSurfaces
            ) const;


    // Member Operators

        //- Disallow default bitwise assignment
        void operator=(const refinementSurfaces&) = delete;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //

	/---------------------------------------------------------------------------\
	========= \|
	\\ / F ield \| OpenFOAM: The Open Source CFD Toolbox
	\\ / O peration \| Website: https://openfoam.org
	\\ / A nd \| Copyright (C) 2011-2025 OpenFOAM Foundation
	\\/ M anipulation \|
	-------------------------------------------------------------------------------
	License
	This file is part of OpenFOAM.

	OpenFOAM is free software: you can redistribute it and/or modify it
	under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	for more details.

	You should have received a copy of the GNU General Public License
	along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.

	Class
	Foam::refinementSurfaces

	Description
	Container for data on surfaces used for surface-driven refinement.
	Contains all the data about the level of refinement needed per
	surface.

	SourceFiles
	refinementSurfaces.C

	\---------------------------------------------------------------------------/

	#ifndef refinementSurfaces_H
	#define refinementSurfaces_H

	#include "primitiveFields.H"
	#include "pointFields.H"
	#include "vectorList.H"
	#include "pointIndexHit.H"
	#include "surfaceZonesInfo.H"

	// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

	namespace Foam
	{

	class searchableSurfaceList;
	class refinementRegions;

	typedef List<point> pointList;

	/---------------------------------------------------------------------------\
	Class refinementSurfaces Declaration
	\---------------------------------------------------------------------------/

	class refinementSurfaces
	{
	// Private Data

	//- Reference to all geometry.
	const searchableSurfaceList& allGeometry_;

	//- Indices of surfaces that are refinement ones
	labelList surfaces_;

	//- Surface name (word)
	wordList names_;

	//- List of surface zone (face and cell zone) information
	PtrList<surfaceZonesInfo> surfZones_;

	//- From local region number to global region number
	labelList regionOffset_;

	//- From global region number to refinement level
	labelList minLevel_;

	//- From global region number to refinement level
	labelList maxLevel_;

	//- From global region number to small-gap level
	labelList gapLevel_;

	//- From global region number to perpendicular angle
	scalarField perpendicularAngle_;

	//- From global region number to patchType
	PtrList<dictionary> patchInfo_;


	public:

	// Constructors

	//- Construct from surfaces and dictionary
	refinementSurfaces
	(
	const searchableSurfaceList& allGeometry,
	const dictionary&,
	const label gapLevelIncrement
	);

	//- Construct from components
	refinementSurfaces
	(
	const searchableSurfaceList& allGeometry,
	const labelList& surfaces,
	const wordList& names,
	const PtrList<surfaceZonesInfo>& surfZones,
	const labelList& regionOffset,
	const labelList& minLevel,
	const labelList& maxLevel,
	const labelList& gapLevel,
	const scalarField& perpendicularAngle,
	PtrList<dictionary>& patchInfo
	);

	//- Disallow default bitwise copy construction
	refinementSurfaces(const refinementSurfaces&) = delete;


	// Member Functions

	// Access

	const searchableSurfaceList& geometry() const
	{
	return allGeometry_;
	}

	const labelList& surfaces() const
	{
	return surfaces_;
	}

	//- Names of surfaces
	const wordList& names() const
	{
	return names_;
	}

	const PtrList<surfaceZonesInfo>& surfZones() const
	{
	return surfZones_;
	}

	//- From local region number to global region number
	const labelList& regionOffset() const
	{
	return regionOffset_;
	}

	//- From global region number to refinement level
	const labelList& minLevel() const
	{
	return minLevel_;
	}

	//- From global region number to refinement level
	const labelList& maxLevel() const
	{
	return maxLevel_;
	}

	//- From global region number to small gap refinement level
	const labelList& gapLevel() const
	{
	return gapLevel_;
	}

	//- From global region number to perpendicular angle
	const scalarField& perpendicularAngle() const
	{
	return perpendicularAngle_;
	}

	//- From global region number to patch type
	const PtrList<dictionary>& patchInfo() const
	{
	return patchInfo_;
	}


	// Helper

	//- From surface and region on surface to global region
	label globalRegion(const label surfi, const label regioni) const
	{
	return regionOffset_[surfi]+regioni;
	}

	//- Min level for surface and region on surface
	label minLevel(const label surfi, const label regioni) const
	{
	return minLevel_[globalRegion(surfi, regioni)];
	}

	//- Max level for surface and region on surface
	label maxLevel(const label surfi, const label regioni) const
	{
	return maxLevel_[globalRegion(surfi, regioni)];
	}

	label nRegions() const
	{
	return minLevel_.size();
	}

	//- Calculate the refinement level for every element
	// of the searchablesurface
	void setMinLevelFields
	(
	const refinementRegions& shells,
	const scalar level0EdgeLength,
	const bool extendedRefinementSpan
	);


	// Searching

	//- Find intersection of edge. Return -1 or first surface
	// with higher (than currentLevel) minlevel.
	// Return surface number and level.
	void findHigherIntersection
	(
	const pointField& start,
	const pointField& end,
	const labelList& currentLevel, // current cell refinement level

	labelList& surfaces,
	labelList& surfaceLevel
	) const;

	//- Find all intersections of edge. Unsorted order.
	void findAllHigherIntersections
	(
	const pointField& start,
	const pointField& end,
	const labelList& currentLevel, // current cell refinement level
	const labelList& globalRegionLevel, // level per surfregion

	List<vectorList>& surfaceNormal,
	labelListList& surfaceLevel
	) const;

	//- Find all intersections of edge. Unsorted order.
	void findAllHigherIntersections
	(
	const pointField& start,
	const pointField& end,
	const labelList& currentLevel, // current cell refinement level
	const labelList& globalRegionLevel, // level per surfregion

	List<pointList>& surfaceLocation,
	List<vectorList>& surfaceNormal,
	labelListList& surfaceLevel
	) const;

	//- Find intersection nearest to the endpoints. surface1,2 are
	// not indices into surfacesToTest but refinement surface indices.
	// Returns surface, region on surface (so not global surface)
	// and position on surface.
	void findNearestIntersection
	(
	const labelList& surfacesToTest,
	const pointField& start,
	const pointField& end,

	labelList& surface1,
	List<pointIndexHit>& hit1,
	labelList& region1,
	labelList& surface2,
	List<pointIndexHit>& hit2,
	labelList& region2
	) const;

	//- findNearestIntersection but also get normals
	void findNearestIntersection
	(
	const labelList& surfacesToTest,
	const pointField& start,
	const pointField& end,

	labelList& surface1,
	List<pointIndexHit>& hit1,
	labelList& region1,
	vectorField& normal1,

	labelList& surface2,
	List<pointIndexHit>& hit2,
	labelList& region2,
	vectorField& normal2
	) const;

	//- Used for debugging only: find intersection of edge.
	void findAnyIntersection
	(
	const pointField& start,
	const pointField& end,
	labelList& surfaces,
	List<pointIndexHit>&
	) const;

	//- Find nearest point on surfaces.
	void findNearest
	(
	const labelList& surfacesToTest,
	const pointField& samples,
	const scalarField& nearestDistSqr,
	labelList& surfaces,
	List<pointIndexHit>&
	) const;

	//- Find nearest point on surfaces. Return surface and region on
	// surface (so not global surface)
	void findNearestRegion
	(
	const labelList& surfacesToTest,
	const pointField& samples,
	const scalarField& nearestDistSqr,
	labelList& hitSurface,
	labelList& hitRegion
	) const;

	//- Find nearest point on surfaces. Return surface, region and
	// normal on surface (so not global surface)
	void findNearestRegion
	(
	const labelList& surfacesToTest,
	const pointField& samples,
	const scalarField& nearestDistSqr,
	labelList& hitSurface,
	List<pointIndexHit>& hitinfo,
	labelList& hitRegion,
	vectorField& hitNormal
	) const;

	//- Detect if a point is 'inside' (closed) surfaces.
	// Returns -1 if not, returns first surface it is.
	void findInside
	(
	const labelList& surfacesToTest,
	const pointField& pt,
	labelList& insideSurfaces
	) const;


	// Member Operators

	//- Disallow default bitwise assignment
	void operator=(const refinementSurfaces&) = delete;
	};


	// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

	} // End namespace Foam

	// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

	#endif

	// ************************************************************************* //