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WriteState.cpp
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WriteState.cpp
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/******************************************************************************
* 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 *
******************************************************************************/
#include <sofa/component/playback/WriteState.inl>
#include <sofa/core/ObjectFactory.h>
#include <sofa/core/behavior/OdeSolver.h>
#include <sofa/core/BaseMapping.h>
namespace sofa::component::playback
{
using namespace defaulttype;
int WriteStateClass = core::RegisterObject("Write State vectors to file at each timestep")
.add< WriteState >();
WriteStateCreator::WriteStateCreator(const core::ExecParams* params)
:simulation::Visitor(params)
, sceneName("")
#if SOFA_COMPONENT_PLAYBACK_HAVE_ZLIB
, extension(".txt.gz")
#else
, extension(".txt")
#endif
, recordX(true)
, recordV(true)
, createInMapping(false)
, counterWriteState(0)
{
}
WriteStateCreator::WriteStateCreator(const core::ExecParams* params, const std::string &n, bool _recordX, bool _recordV, bool _recordF, bool _createInMapping, int c)
:simulation::Visitor(params)
, sceneName(n)
#if SOFA_COMPONENT_PLAYBACK_HAVE_ZLIB
, extension(".txt.gz")
#else
, extension(".txt")
#endif
, recordX(_recordX)
, recordV(_recordV)
, recordF(_recordF)
, createInMapping(_createInMapping)
, counterWriteState(c)
{
}
//Create a Write State component each time a mechanical state is found
simulation::Visitor::Result WriteStateCreator::processNodeTopDown( simulation::Node* gnode)
{
sofa::core::behavior::BaseMechanicalState * mstate=gnode->mechanicalState;
if (!mstate) return simulation::Visitor::RESULT_CONTINUE;
core::behavior::OdeSolver *isSimulated;
mstate->getContext()->get(isSimulated);
if (!isSimulated) return simulation::Visitor::RESULT_CONTINUE;
//We have a mechanical state
addWriteState(mstate, gnode);
return simulation::Visitor::RESULT_CONTINUE;
}
void WriteStateCreator::addWriteState(sofa::core::behavior::BaseMechanicalState *ms, simulation::Node* gnode)
{
const sofa::core::objectmodel::BaseContext* context = gnode->getContext();
sofa::core::BaseMapping *mapping;
context->get(mapping);
if ( createInMapping || mapping == nullptr)
{
sofa::component::playback::WriteState::SPtr ws;
context->get(ws, this->subsetsToManage, core::objectmodel::BaseContext::Local);
if ( ws == nullptr )
{
ws = sofa::core::objectmodel::New<WriteState>();
gnode->addObject(ws);
ws->d_writeX.setValue(recordX);
ws->d_writeV.setValue(recordV);
ws->d_writeF.setValue(recordF);
for (const auto& subset : this->subsetsToManage)
{
ws->addTag(subset);
}
}
std::ostringstream ofilename;
ofilename << sceneName << "_" << counterWriteState << "_" << ms->getName() << "_mstate" << extension ;
ws->d_filename.setValue(ofilename.str());
if (!m_times.empty())
ws->d_time.setValue(m_times);
ws->init();
ws->f_listening.setValue(true); //Activated at init
++counterWriteState;
}
}
//if state is true, we activate all the write states present in the scene.
simulation::Visitor::Result WriteStateActivator::processNodeTopDown( simulation::Node* gnode)
{
sofa::component::playback::WriteState *ws = gnode->get< sofa::component::playback::WriteState >(this->subsetsToManage);
if (ws != nullptr) { changeStateWriter(ws);}
return simulation::Visitor::RESULT_CONTINUE;
}
void WriteStateActivator::changeStateWriter(sofa::component::playback::WriteState*ws)
{
if (!state) ws->reset();
ws->f_listening.setValue(state);
}
} // namespace sofa::component::playback