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/******************************************************************************
* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library 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 library 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 library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Modules *
* *
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#include <sofa/simulation/common/StateChangeVisitor.h>
#include <sofa/simulation/common/Node.h>
#include <sofa/core/componentmodel/topology/TopologicalMapping.h>
namespace sofa
{
namespace simulation
{
StateChangeVisitor::StateChangeVisitor(core::componentmodel::topology::Topology* source)
: root(true), source(source)
{
}
void StateChangeVisitor::processStateChange(core::objectmodel::BaseObject* obj)
{
obj->handleStateChange(source);
}
Visitor::Result StateChangeVisitor::processNodeTopDown(simulation::Node* node)
{
if (!root && node->mechanicalMapping != NULL)
{
if (!node->mechanicalMapping->sameTopology())
{ // stop all topological computations
return RESULT_PRUNE;
}
}
if (node->mechanicalState != NULL)
{
this->processStateChange(node->mechanicalState);
}
root = false; // now we process child nodes
return RESULT_CONTINUE; // continue the propagation of state changes
}
} // namespace simulation
} // namespace sofa
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