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TopologyChangeVisitor.cpp
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TopologyChangeVisitor.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/simulation/TopologyChangeVisitor.h>
#include <sofa/simulation/Node.h>
#include <sofa/core/topology/TopologicalMapping.h>
#include <sofa/core/topology/Topology.h>
namespace sofa::simulation
{
using namespace sofa::defaulttype;
using namespace sofa::core::behavior;
using namespace sofa::core::topology;
using namespace sofa::core;
TopologyChangeVisitor::TopologyChangeVisitor(const sofa::core::ExecParams* params, sofa::core::topology::Topology* source)
: Visitor(params)
, m_source(source)
{
}
std::string TopologyChangeVisitor::getInfos() const
{
return "Topology:" + m_source->getName();
}
void TopologyChangeVisitor::processTopologyChange(simulation::Node *node, sofa::core::objectmodel::BaseObject* obj)
{
#ifdef SOFA_DUMP_VISITOR_INFO
simulation::Visitor::printComment("processTopologyChange");
#endif
const ctime_t t0=begin(node,obj);
obj->handleTopologyChange(m_source); //why was it necessary to check for each object if it exists a topology inside the current node?
end(node,obj,t0);
}
Visitor::Result TopologyChangeVisitor::processNodeTopDown(simulation::Node* node)
{
#ifdef SOFA_DUMP_VISITOR_INFO
simulation::Visitor::printComment("updateTopologicalMappingTopDown");
#endif
// search for topological mapping, run the mapping first. Do not stop the propagation of parent topology
for (simulation::Node::ObjectIterator it = node->object.begin(); it != node->object.end(); ++it)
{
sofa::core::topology::TopologicalMapping* obj = dynamic_cast<sofa::core::topology::TopologicalMapping*>(it->get());
if (obj != nullptr) // find a TopologicalMapping node among the brothers (it must be the first one written)
{
if(obj->propagateFromInputToOutputModel() && obj->getFrom() == m_source) //node != root){ // the propagation of topological changes comes (at least) from a father node, not from a brother
{
const ctime_t t0=begin(node,obj);
obj->updateTopologicalMappingTopDown(); // update the specific TopologicalMapping
end(node,obj,t0);
}
}
}
// loop on all node to call handleTopologyChange
for_each(this, node, node->object, &TopologyChangeVisitor::processTopologyChange);
return RESULT_CONTINUE;
}
void TopologyChangeVisitor::processNodeBottomUp(simulation::Node* node)
{
for (simulation::Node::ObjectIterator it = node->object.begin(); it != node->object.end(); ++it)
{
sofa::core::topology::TopologicalMapping* obj = dynamic_cast<sofa::core::topology::TopologicalMapping*>(it->get());
if (obj != nullptr) // find a TopologicalMapping node among the brothers (it must be the first one written)
{
if(obj->propagateFromOutputToInputModel() && obj->getTo() == m_source) //node == root){
{
obj->updateTopologicalMappingBottomUp(); // update the specific TopologicalMapping
}
}
}
}
} // namespace sofa::simulation