GeoMech Intersection updates: support multiple parts (#8160)

* Rearrange intersection classes, split single file into one-per-class

* Support multi-part geomech case intersections

ApplicationLibCode/ModelVisualization/Intersections/RivEclipseIntersectionGrid.cpp

@@ -0,0 +1,102 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2021 - Equinor 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 "RivEclipseIntersectionGrid.h"
+
+#include "RigActiveCellInfo.h"
+#include "RigFemPart.h"
+#include "RigMainGrid.h"
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RivEclipseIntersectionGrid::RivEclipseIntersectionGrid( const RigMainGrid*       mainGrid,
+                                                        const RigActiveCellInfo* activeCellInfo,
+                                                        bool                     showInactiveCells )
+    : m_mainGrid( mainGrid )
+    , m_activeCellInfo( activeCellInfo )
+    , m_showInactiveCells( showInactiveCells )
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+cvf::Vec3d RivEclipseIntersectionGrid::displayOffset() const
+{
+    return m_mainGrid->displayModelOffset();
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+cvf::BoundingBox RivEclipseIntersectionGrid::boundingBox() const
+{
+    return m_mainGrid->boundingBox();
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RivEclipseIntersectionGrid::findIntersectingCells( const cvf::BoundingBox& intersectingBB,
+                                                        std::vector<size_t>*    intersectedCells ) const
+{
+    m_mainGrid->findIntersectingCells( intersectingBB, intersectedCells );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RivEclipseIntersectionGrid::useCell( size_t cellIndex ) const
+{
+    const RigCell& cell = m_mainGrid->globalCellArray()[cellIndex];
+    if ( m_showInactiveCells )
+        return !( cell.isInvalid() || ( cell.subGrid() != nullptr ) );
+    else
+        return m_activeCellInfo->isActive( cellIndex ) && ( cell.subGrid() == nullptr );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RivEclipseIntersectionGrid::cellCornerVertices( size_t cellIndex, cvf::Vec3d cellCorners[8] ) const
+{
+    m_mainGrid->cellCornerVertices( cellIndex, cellCorners );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RivEclipseIntersectionGrid::cellCornerIndices( size_t cellIndex, size_t cornerIndices[8] ) const
+{
+    const std::array<size_t, 8>& cornerIndicesSource = m_mainGrid->globalCellArray()[cellIndex].cornerIndices();
+
+    for ( size_t i = 0; i < 8; i++ )
+    {
+        cornerIndices[i] = cornerIndicesSource[i];
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+const RigFault* RivEclipseIntersectionGrid::findFaultFromCellIndexAndCellFace( size_t reservoirCellIndex,
+                                                                               cvf::StructGridInterface::FaceType face ) const
+{
+    return m_mainGrid->findFaultFromCellIndexAndCellFace( reservoirCellIndex, face );
+}