/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2017     Statoil ASA
// 
//  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.
//
/////////////////////////////////////////////////////////////////////////////////

#include "RimFracture.h"

#include "RigFracture.h"
#include "RigTesselatorTools.h"
#include "RimFractureDefinition.h"




CAF_PDM_XML_ABSTRACT_SOURCE_INIT(RimFracture, "Fracture");

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
RimFracture::RimFracture(void)
{
    CAF_PDM_InitObject("Fracture", "", "", "");

    m_rigFracture = new RigFracture;
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
RimFracture::~RimFracture()
{
}
 
//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
const std::vector<cvf::uint>& RimFracture::polygonIndices() const
{
    return m_rigFracture->polygonIndices();
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
const std::vector<cvf::Vec3f>& RimFracture::nodeCoords() const
{
    return m_rigFracture->nodeCoords();
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void RimFracture::computeGeometry()
{
    std::vector<cvf::Vec3f> nodeCoords;
    std::vector<cvf::uint>  polygonIndices;

    cvf::Vec3d center = centerPointForFracture();
    RimFractureDefinition* fractureDef = attachedFractureDefinition();
    if (fractureDef && !center.isUndefined())
    {
        RigEllipsisTesselator tesselator(20);

        float a = fractureDef->height / 2.0f;
        float b = fractureDef->halfLength;

        tesselator.tesselateEllipsis(a, b, &polygonIndices, &nodeCoords);

    }

    // TODO: Modify coords by fracture center and orientation

    m_rigFracture->setGeometry(polygonIndices, nodeCoords);
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
bool RimFracture::hasValidGeometry() const
{
    return (nodeCoords().size() > 0 && polygonIndices().size() > 0);
}