/******************************************************************************
*                 SOFA, Simulation Open-Framework Architecture                *
*                    (c) 2006 INRIA, USTL, UJF, CNRS, MGH                     *
*                                                                             *
* This program is free software; you can redistribute it and/or modify it     *
* under the terms of the GNU Lesser General Public License as published by    *
* the Free Software Foundation; either version 2.1 of the License, or (at     *
* your option) any later version.                                             *
*                                                                             *
* This program 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 Lesser General Public License *
* for more details.                                                           *
*                                                                             *
* You should have received a copy of the GNU Lesser General Public License    *
* along with this program. If not, see <http://www.gnu.org/licenses/>.        *
*******************************************************************************
* Authors: The SOFA Team and external contributors (see Authors.txt)          *
*                                                                             *
* Contact information: contact@sofa-framework.org                             *
******************************************************************************/
#pragma once

#include <unordered_set>
#include <sofa/simulation/BaseMechanicalVisitor.h>
#include <sofa/core/fwd.h>

namespace sofa::simulation::mechanicalvisitor
{
class SOFA_SIMULATION_CORE_API MechanicalIdentityBlocksInJacobianVisitor : public BaseMechanicalVisitor
{
public:
    const char* getClassName() const override { return "MechanicalIdentityBlocksInJacobianVisitor"; }

    MechanicalIdentityBlocksInJacobianVisitor(const sofa::core::ExecParams* params, sofa::core::MatrixDerivId id);

    Result fwdMechanicalMapping(simulation::Node* /*node*/, sofa::core::BaseMapping* map) override;
    void bwdMappedMechanicalState(simulation::Node* /*node*/,sofa::core::behavior::BaseMechanicalState* /*mm*/) override;

    bool stopAtMechanicalMapping(simulation::Node* /*node*/, core::BaseMapping* /*map*/) override;

private:
    sofa::core::MatrixDerivId m_id;
    std::unordered_set<sofa::core::behavior::BaseMechanicalState*> listParentMStates;
};

} //namespace sofa::simulation::mechanicalvisitor