/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2015-     Statoil ASA
//  Copyright (C) 2015-     Ceetron Solutions AS
//
//  ResInsight 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.
//
//  ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#pragma once

#include "cvfObject.h"
#include "cvfVector3.h"

#include "RivFemPartGeometryGenerator.h"

#include <vector>

namespace cvf
{
class StructGridInterface;
class ModelBasicList;
class Transform;
class Part;
class Effect;
} // namespace cvf

class RimGeoMechCellColors;
class RigFemPart;

//==================================================================================================
///
/// RivGridGeometry: Class to handle visualization structures that embodies a specific grid at a specific time step.
/// frame on a certain level
/// LGR's have their own instance and the parent grid as well
///
//==================================================================================================

class RivFemPartPartMgr : public cvf::Object
{
public:
    explicit RivFemPartPartMgr( const RigFemPart* part, cvf::Vec3d displayOffset );
    ~RivFemPartPartMgr() override;
    void                      setTransform( cvf::Transform* scaleTransform );
    void                      setCellVisibility( cvf::UByteArray* cellVisibilities );
    cvf::ref<cvf::UByteArray> cellVisibility() { return m_cellVisibility; }

    void setDisplacements( bool useDisplacements, double scalingFactor, const std::vector<cvf::Vec3f>& displacements );

    void updateCellColor( cvf::Color4f color );
    void updateCellResultColor( int timeStepIndex, int frameIndex, RimGeoMechCellColors* cellResultColors );

    void appendPartsToModel( cvf::ModelBasicList* model );

    const RivFemPartGeometryGenerator* surfaceGenerator() const;

private:
    void generatePartGeometry( RivFemPartGeometryGenerator& geoBuilder );

private:
    int                   m_partIdx;
    cvf::cref<RigFemPart> m_part;

    std::vector<cvf::Vec3f> m_displacedNodeCoordinates;

    cvf::ref<cvf::Transform> m_scaleTransform;
    float                    m_opacityLevel;
    cvf::Color3f             m_defaultColor;

    // Surface visualization
    RivFemPartGeometryGenerator m_surfaceGenerator;

    cvf::ref<cvf::Part>       m_surfaceFaces;
    cvf::ref<cvf::Vec2fArray> m_surfaceFacesTextureCoords;

    cvf::ref<cvf::Part> m_surfaceGridLines;

    cvf::ref<cvf::UByteArray> m_cellVisibility;
};