/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     4.0
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
    This file is part of foam-extend.

    foam-extend 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.

    foam-extend 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 foam-extend.  If not, see <http://www.gnu.org/licenses/>.

InClass
    vtkPVFoam

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

#ifndef vtkPVFoamPatchField_H
#define vtkPVFoamPatchField_H

// VTK includes
#include "vtkCellData.h"
#include "vtkFloatArray.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"

#include "vtkFoamTupleRemap.H"

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

template<class Type>
void Foam::vtkPVFoam::convertPatchField
(
    const word& name,
    const Field<Type>& ptf,
    vtkMultiBlockDataSet* output,
    const partInfo& selector,
    const label datasetNo
)
{
    const label nComp = pTraits<Type>::nComponents;

    vtkFloatArray* cellData = vtkFloatArray::New();
    cellData->SetNumberOfTuples( ptf.size() );
    cellData->SetNumberOfComponents( nComp );
    cellData->Allocate( nComp*ptf.size() );
    cellData->SetName( name.c_str() );

    float vec[nComp];
    forAll(ptf, i)
    {
        const Type& t = ptf[i];
        for (direction d=0; d<nComp; d++)
        {
            vec[d] = component(t, d);
        }
        vtkFoamTupleRemap<Type>(vec);

        cellData->InsertTuple(i, vec);
    }

    vtkPolyData::SafeDownCast
    (
        GetDataSetFromBlock(output, selector, datasetNo)
    )   ->GetCellData()
        ->AddArray(cellData);

    cellData->Delete();
}


// as above, but with PointData()
template<class Type>
void Foam::vtkPVFoam::convertPatchPointField
(
    const word& name,
    const Field<Type>& pptf,
    vtkMultiBlockDataSet* output,
    const partInfo& selector,
    const label datasetNo
)
{
    const label nComp = pTraits<Type>::nComponents;

    vtkFloatArray *pointData = vtkFloatArray::New();
    pointData->SetNumberOfTuples( pptf.size() );
    pointData->SetNumberOfComponents( nComp );
    pointData->Allocate( nComp*pptf.size() );
    pointData->SetName( name.c_str() );

    float vec[nComp];
    forAll(pptf, i)
    {
        const Type& t = pptf[i];
        for (direction d=0; d<nComp; d++)
        {
            vec[d] = component(t, d);
        }
        vtkFoamTupleRemap<Type>(vec);

        pointData->InsertTuple(i, vec);
    }

    vtkPolyData::SafeDownCast
    (
        GetDataSetFromBlock(output, selector, datasetNo)
    )   ->GetPointData()
        ->AddArray(pointData);

    pointData->Delete();
}

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

#endif

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