136 lines
4.7 KiB
C++
136 lines
4.7 KiB
C++
#include <osg/GL>
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#include <osgGLUT/glut>
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#include <osgGLUT/Viewer>
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#include <osg/Notify>
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#include <osg/Texture>
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#include <osg/TexEnv>
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#include <osg/TexGen>
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#include <osgDB/Registry>
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#include <osgDB/ReadFile>
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#include <osgGA/TrackballManipulator>
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#include <osgGA/FlightManipulator>
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#include <osgGA/DriveManipulator>
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#include <osgUtil/Optimizer>
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void write_usage(std::ostream& out,const std::string& name)
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{
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out << std::endl;
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out <<"usage:"<< std::endl;
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out <<" "<<name<<" [options] infile1 [infile2 ...]"<< std::endl;
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out << std::endl;
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out <<"options:"<< std::endl;
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out <<" -l libraryName - load plugin of name libraryName"<< std::endl;
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out <<" i.e. -l osgdb_pfb"<< std::endl;
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out <<" Useful for loading reader/writers which can load"<< std::endl;
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out <<" other file formats in addition to its extension."<< std::endl;
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out <<" -e extensionName - load reader/wrter plugin for file extension"<< std::endl;
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out <<" i.e. -e pfb"<< std::endl;
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out <<" Useful short hand for specifying full library name as"<< std::endl;
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out <<" done with -l above, as it automatically expands to"<< std::endl;
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out <<" the full library name appropriate for each platform."<< std::endl;
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out <<std::endl;
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out <<" -stereo - switch on stereo rendering, using the default of,"<< std::endl;
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out <<" ANAGLYPHIC or the value set in the OSG_STEREO_MODE "<< std::endl;
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out <<" environmental variable. See doc/stereo.html for "<< std::endl;
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out <<" further details on setting up accurate stereo "<< std::endl;
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out <<" for your system. "<< std::endl;
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out <<" -stereo ANAGLYPHIC - switch on anaglyphic(red/cyan) stereo rendering."<< std::endl;
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out <<" -stereo QUAD_BUFFER - switch on quad buffered stereo rendering."<< std::endl;
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out <<std::endl;
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out <<" -stencil - use a visual with stencil buffer enabled, this "<< std::endl;
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out <<" also allows the depth complexity statistics mode"<< std::endl;
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out <<" to be used (press 'p' three times to cycle to it)."<< std::endl;
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out << std::endl;
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}
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int main( int argc, char **argv )
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{
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// initialize the GLUT
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glutInit( &argc, argv );
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if (argc<2)
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{
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write_usage(std::cout,argv[0]);
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return 0;
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}
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// create the commandline args.
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std::vector<std::string> commandLine;
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for(int i=1;i<argc;++i) commandLine.push_back(argv[i]);
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// initialize the viewer.
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osgGLUT::Viewer viewer;
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viewer.setWindowTitle(argv[0]);
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// configure the viewer from the commandline arguments, and eat any
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// parameters that have been matched.
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viewer.readCommandLine(commandLine);
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// configure the plugin registry from the commandline arguments, and
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// eat any parameters that have been matched.
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osgDB::readCommandLine(commandLine);
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// load the nodes from the commandline arguments.
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osg::Node* rootnode = osgDB::readNodeFiles(commandLine);
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if (!rootnode)
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{
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// write_usage(osg::notify(osg::NOTICE),argv[0]);
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return 1;
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}
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osg::Image* image = osgDB::readImageFile("reflect.rgb");
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if (image)
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{
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osg::Texture* texture = new osg::Texture;
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texture->setImage(image);
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osg::TexGen* texgen = new osg::TexGen;
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texgen->setMode(osg::TexGen::SPHERE_MAP);
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osg::TexEnv* texenv = new osg::TexEnv;
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texenv->setMode(osg::TexEnv::MODULATE);
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osg::StateSet* stateset = new osg::StateSet;
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stateset->setTextureAttributeAndModes(1,texture,osg::StateAttribute::ON);
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stateset->setTextureAttributeAndModes(1,texgen,osg::StateAttribute::ON);
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stateset->setTextureAttribute(1,texenv);
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rootnode->setStateSet(stateset);
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}
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else
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{
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osg::notify(osg::NOTICE)<<"unable to load reflect map, model will not be mutlitextured"<<std::endl;
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}
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// run optimization over the scene graph
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osgUtil::Optimizer optimzer;
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optimzer.optimize(rootnode);
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// add a viewport to the viewer and attach the scene graph.
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viewer.addViewport( rootnode );
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// register trackball, flight and drive.
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viewer.registerCameraManipulator(new osgGA::TrackballManipulator);
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viewer.registerCameraManipulator(new osgGA::FlightManipulator);
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viewer.registerCameraManipulator(new osgGA::DriveManipulator);
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// open the viewer window.
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viewer.open();
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// fire up the event loop.
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viewer.run();
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return 0;
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}
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