/usr/include/sofa/component/misc/ReadState.inl is in libsofa1-dev 1.0~beta4-10ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 *
******************************************************************************/
#ifndef SOFA_COMPONENT_MISC_READSTATE_INL
#define SOFA_COMPONENT_MISC_READSTATE_INL
#include <sofa/component/misc/ReadState.h>
#include <sofa/simulation/common/MechanicalVisitor.h>
#include <sofa/simulation/common/UpdateMappingVisitor.h>
#include <sstream>
namespace sofa
{
namespace component
{
namespace misc
{
ReadState::ReadState()
: f_filename( initData(&f_filename, "filename", "output file name"))
, f_interval( initData(&f_interval, 0.0, "interval", "time duration between inputs"))
, f_shift( initData(&f_shift, 0.0, "shift", "shift between times in the file and times when they will be read"))
, f_loop( initData(&f_loop, false, "loop", "set to 'true' to re-read the file when reaching the end"))
, mmodel(NULL)
, infile(NULL)
, nextTime(0)
{
this->f_listening.setValue(true);
}
ReadState::~ReadState()
{
if (infile)
delete infile;
}
void ReadState::init()
{
// mmodel = dynamic_cast<core::componentmodel::behavior::MechanicalState<DataTypes>*>(this->getContext()->getMechanicalState());
reset();
}
void ReadState::reset()
{
mmodel = dynamic_cast< sofa::core::componentmodel::behavior::BaseMechanicalState* >(this->getContext()->getMechanicalState());
if (infile)
delete infile;
const std::string& filename = f_filename.getFullPath();
if (!filename.empty())
{
infile = new std::ifstream(filename.c_str());
if( !infile->is_open() )
{
serr << "Error opening file "<<filename<<sendl;
delete infile;
infile = NULL;
}
}
nextTime = 0;
}
void ReadState::handleEvent(sofa::core::objectmodel::Event* event)
{
if (/* simulation::AnimateBeginEvent* ev = */ dynamic_cast<simulation::AnimateBeginEvent*>(event))
{
processReadState();
}
if (/* simulation::AnimateEndEvent* ev = */ dynamic_cast<simulation::AnimateEndEvent*>(event))
{
}
}
void ReadState::setTime(double time)
{
if (time < nextTime) {reset(); nextTime=0.0;}
}
void ReadState::processReadState(double time)
{
if (time == lastTime) return;
setTime(time);
processReadState();
}
void ReadState::processReadState()
{
static double totalTime = 0.0;
bool updated = false;
if (infile && mmodel)
{
double time = getContext()->getTime() + f_shift.getValue();
lastTime = time;
std::vector<std::string> validLines;
std::string line, cmd;
while (nextTime <= time && !infile->eof())
{
getline(*infile, line);
//sout << "line= "<<line<<sendl;
std::istringstream str(line);
str >> cmd;
if (cmd == "T=")
{
str >> nextTime;
nextTime += totalTime;
if (nextTime <= time)
validLines.clear();
}
if (nextTime <= time)
validLines.push_back(line);
}
for (std::vector<std::string>::iterator it=validLines.begin();it!=validLines.end();++it)
{
std::istringstream str(*it);
cmd.clear();
str >> cmd;
if (cmd == "X=")
{
mmodel->readX(str);
updated = true;
}
else if (cmd == "V=")
{
mmodel->readV(str);
updated = true;
}
}
}
if (f_loop.getValue() && infile->eof())
{
infile->clear();
infile->seekg(0);
totalTime = nextTime;
}
if (updated) {
//sout<<"update from file"<<sendl;
sofa::simulation::MechanicalPropagatePositionAndVelocityVisitor action1;
this->getContext()->executeVisitor(&action1);
sofa::simulation::UpdateMappingVisitor action2;
this->getContext()->executeVisitor(&action2);
}
}
} // namespace misc
} // namespace component
} // namespace sofa
#endif
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