FGFS-4.1/OpenSceneGraph
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Improved the handling of command line parameters

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This commit is contained in:
Robert Osfield 2011-06-14 16:50:40 +00:00
parent bfe4877b9a
commit 2c2234d68b
1 changed files with 22 additions and 15 deletions
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37
examples/osgocclusionquery/osgocclusionquery.cpp
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@ -537,10 +537,10 @@ public:
}
else if (ea.getKey()=='o')
{
if (osgDB::writeNodeFile( _node, "saved_model.osg" ))
osg::notify( osg::ALWAYS ) << "osgOQ: Wrote scene graph to \"saved_model.osg\"" << std::endl;
if (osgDB::writeNodeFile( _node, "saved_model.osgt" ))
osg::notify( osg::ALWAYS ) << "osgOQ: Wrote scene graph to \"saved_model.osgt\"" << std::endl;
else
osg::notify( osg::ALWAYS ) << "osgOQ: Wrote failed for \"saved_model.osg\"" << std::endl;
osg::notify( osg::ALWAYS ) << "osgOQ: Wrote failed for \"saved_model.osgt\"" << std::endl;
return true;
}
return false;
@ -744,28 +744,35 @@ int main(int argc, char** argv)
// add the help handler
viewer.addEventHandler(new osgViewer::HelpHandler(arguments.getApplicationUsage()));
bool optimize = arguments.read( "--opt" );
// load the specified model
osg::ref_ptr<osg::Node> root = osgDB::readNodeFiles( arguments );
if (!root)
osg::ref_ptr<osg::Node> root = 0;
if (arguments.argc()>1)
{
root = osgDB::readNodeFiles( arguments );
if (root.valid())
{
// Run a NodeVisitor to insert OcclusionQueryNodes in the scene graph.
OcclusionQueryVisitor oqv;
root->accept( oqv );
}
else
{
std::cout << arguments.getApplicationName() <<": unable to load specified data." << std::endl;
return 1;
}
}
else
{
std::cout << arguments.getApplicationName() <<": No files specified, or can't load them." << std::endl;
root = createStockScene().get();
if (!root)
{
std::cout << arguments.getApplicationName() <<": Failed to create stock scene." << std::endl;
return 1;
}
std::cout << "Using stock scene instead." << std::endl;
}
else
{
// Run a NodeVisitor to insert OcclusionQueryNodes in the scene graph.
OcclusionQueryVisitor oqv;
root->accept( oqv );
}
bool optimize = arguments.read( "--opt" );
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();