Add specialiced active cell subgrids

ApplicationLibCode/ReservoirDataModel/RigActiveCellLocalGrid.cpp

@@ -0,0 +1,47 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2024 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 "RigActiveCellLocalGrid.h"
+
+#include "RigActiveCellGrid.h"
+
+RigActiveCellLocalGrid::RigActiveCellLocalGrid( RigActiveCellGrid* mainGrid )
+    : RigLocalGrid( mainGrid )
+    , m_mainActiveGrid( mainGrid )
+{
+}
+
+RigActiveCellLocalGrid::~RigActiveCellLocalGrid()
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RigCell& RigActiveCellLocalGrid::cell( size_t gridLocalCellIndex )
+{
+    return m_mainActiveGrid->cell( m_indexToStartOfCells + gridLocalCellIndex );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+const RigCell& RigActiveCellLocalGrid::cell( size_t gridLocalCellIndex ) const
+{
+    return m_mainActiveGrid->cell( m_indexToStartOfCells + gridLocalCellIndex );
+}