/*---------------------------------------------------------------------------*\
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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::rigidBodyMotionDisplacementPointPatchVectorField

Description
    Enables the specification of a fixed value boundary condition using the
    solid body motion functions.

SourceFiles
    rigidBodyMotionDisplacementPointPatchVectorField.C

\*---------------------------------------------------------------------------*/

#ifndef rigidBodyMotionDisplacementPointPatchVectorField_H
#define rigidBodyMotionDisplacementPointPatchVectorField_H

#include "solidBodyMotionFunction.H"
#include "fixedValuePointPatchFields.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
      Class rigidBodyMotionDisplacementPointPatchVectorField Declaration
\*---------------------------------------------------------------------------*/

class rigidBodyMotionDisplacementPointPatchVectorField
:
    public fixedValuePointPatchVectorField
{
    // Private Data

        //- The motion control function
        autoPtr<solidBodyMotionFunction> SBMFPtr_;

        mutable autoPtr<pointField> localPoints0Ptr_;


public:

    //- Runtime type information
    TypeName("rigidBodyMotionDisplacement");


    // Constructors

        //- Construct from patch, internal field and dictionary
        rigidBodyMotionDisplacementPointPatchVectorField
        (
            const pointPatch&,
            const DimensionedField<vector, pointMesh>&,
            const dictionary&
        );

        //- Construct by mapping given patchField<vector> onto a new patch
        rigidBodyMotionDisplacementPointPatchVectorField
        (
            const rigidBodyMotionDisplacementPointPatchVectorField&,
            const pointPatch&,
            const DimensionedField<vector, pointMesh>&,
            const fieldMapper&
        );

        //- Disallow copy without setting internal field reference
        rigidBodyMotionDisplacementPointPatchVectorField
        (
            const rigidBodyMotionDisplacementPointPatchVectorField&
        ) = delete;

        //- Copy constructor setting internal field reference
        rigidBodyMotionDisplacementPointPatchVectorField
        (
            const rigidBodyMotionDisplacementPointPatchVectorField&,
            const DimensionedField<vector, pointMesh>&
        );


        //- Construct and return a clone setting internal field reference
        virtual autoPtr<pointPatchField<vector>> clone
        (
            const DimensionedField<vector, pointMesh>& iF
        ) const
        {
            return autoPtr<pointPatchField<vector>>
            (
                new rigidBodyMotionDisplacementPointPatchVectorField
                (
                    *this,
                    iF
                )
            );
        }


    // Member Functions

        // Access

            //- Return the fluctuation scale
            const solidBodyMotionFunction& motion() const
            {
                return SBMFPtr_();
            }

            const pointField& localPoints0() const;

        // Evaluation functions

            //- Update the coefficients associated with the patch field
            virtual void updateCoeffs();


        //- Write
        virtual void write(Ostream&) const;


    // Member Operators

        //- Inherit assignment
        using fixedValuePointPatchVectorField::operator=;
};


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

} // End namespace Foam

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

#endif

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