118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
|
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
|
||
|
|
*
|
||
|
|
* This application is open source and may be redistributed and/or modified
|
||
|
|
* freely and without restriction, both in commericial and non commericial applications,
|
||
|
|
* as long as this copyright notice is maintained.
|
||
|
|
*
|
||
|
|
* This application 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <osg/Timer>
|
||
|
|
#include <osg/ArgumentParser>
|
||
|
|
#include <osg/ApplicationUsage>
|
||
|
|
|
||
|
|
#include <osgDB/Archive>
|
||
|
|
#include <osgDB/ReadFile>
|
||
|
|
#include <osgDB/WriteFile>
|
||
|
|
#include <osgDB/FileUtils>
|
||
|
|
|
||
|
|
#include <iostream>
|
||
|
|
#include <algorithm>
|
||
|
|
|
||
|
|
class LoadDataVisitor : public osg::NodeVisitor
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
LoadDataVisitor(unsigned int maxNumLevels=0):
|
||
|
|
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
|
||
|
|
_maxLevels(maxNumLevels),
|
||
|
|
_currentLevel(0) {}
|
||
|
|
|
||
|
|
void apply(osg::PagedLOD& plod)
|
||
|
|
{
|
||
|
|
if (_currentLevel>_maxLevels) return;
|
||
|
|
|
||
|
|
++_currentLevel;
|
||
|
|
|
||
|
|
std::cout<<"Found PagedLOD "<<plod.getNumFileNames()<<std::endl;
|
||
|
|
for(unsigned int i=0; i<plod.getNumFileNames(); ++i)
|
||
|
|
{
|
||
|
|
std::cout<<" filename["<<i<<"] "<<plod.getFileName(i)<<std::endl;
|
||
|
|
if (!plod.getFileName(i).empty())
|
||
|
|
{
|
||
|
|
std::string filename;
|
||
|
|
if (!plod.getDatabasePath().empty())
|
||
|
|
{
|
||
|
|
filename = plod.getDatabasePath() + plod.getFileName(i);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
filename = plod.getFileName(i);
|
||
|
|
}
|
||
|
|
|
||
|
|
std::cout<<" reading "<<filename<<std::endl;
|
||
|
|
|
||
|
|
osg::ref_ptr<osg::Node> node = osgDB::readNodeFile(filename);
|
||
|
|
|
||
|
|
if (node.valid()) node->accept(*this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
--_currentLevel;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
unsigned int _maxLevels;
|
||
|
|
unsigned int _currentLevel;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
int main( int argc, char **argv )
|
||
|
|
{
|
||
|
|
// use an ArgumentParser object to manage the program arguments.
|
||
|
|
osg::ArgumentParser arguments(&argc,argv);
|
||
|
|
|
||
|
|
// set up the usage document, in case we need to print out how to use this program.
|
||
|
|
arguments.getApplicationUsage()->setApplicationName(arguments.getApplicationName());
|
||
|
|
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is an application for collecting a set of seperate files into a single archive file that can be later read in OSG applications..");
|
||
|
|
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
|
||
|
|
|
||
|
|
// if user request help write it out to cout.
|
||
|
|
if (arguments.read("-h") || arguments.read("--help"))
|
||
|
|
{
|
||
|
|
arguments.getApplicationUsage()->write(std::cout);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned int maxLevels = 0;
|
||
|
|
while(arguments.read("-l",maxLevels)) {}
|
||
|
|
|
||
|
|
std::string fileCache;
|
||
|
|
while(arguments.read("-c",fileCache)) {}
|
||
|
|
|
||
|
|
if (!fileCache.empty())
|
||
|
|
{
|
||
|
|
std::string str("OSG_FILE_CACHE=");
|
||
|
|
str += fileCache;
|
||
|
|
|
||
|
|
putenv(strdup((char*)str.c_str()));
|
||
|
|
}
|
||
|
|
|
||
|
|
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
|
||
|
|
if (!loadedModel)
|
||
|
|
{
|
||
|
|
std::cout<<"No data loaded, please specify a database to load"<<std::endl;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
LoadDataVisitor ldv(maxLevels);
|
||
|
|
|
||
|
|
loadedModel->accept(ldv);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|