Exemplo n.º 1
0
int init(int argc, char **argv)
{
    OSG::osgInit(argc,argv);
    
    // GLUT init

    glutInit(&argc, argv);
    glutInitDisplayMode( GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
    int winid = glutCreateWindow("OpenSG");
    glutKeyboardFunc(key);
    glutVisibilityFunc(vis);
    glutReshapeFunc(reshape);
    glutDisplayFunc(display);       
    glutMouseFunc(mouse);   
    glutMotionFunc(motion); 
    
    glutIdleFunc(display);  

    // OSG
    OSG::SceneFileHandler::the()->print();

    // create the graph

    // beacon for camera and light  
    OSG::NodeUnrecPtr b1n = OSG::Node::create();
    OSG::GroupUnrecPtr b1 = OSG::Group::create();

    b1n->setCore(b1);

    // transformation
    OSG::NodeUnrecPtr      t1n = OSG::Node::create();
    OSG::TransformUnrecPtr t1  = OSG::Transform::create();

    t1n->setCore (t1 );
    t1n->addChild(b1n);

    cam_trans = t1;

    // light
    OSG::NodeUnrecPtr             dlight = OSG::Node::create();
    OSG::DirectionalLightUnrecPtr dl     = OSG::DirectionalLight::create();

    dlight->setCore(dl);
    
    dl->setAmbient  (0.0, 0.0, 0.0, 1.0);
    dl->setDiffuse  (0.8, 0.8, 0.8, 1.0);
    dl->setDirection(0.0, 0.0, 1.0     );
    dl->setBeacon   (b1n               );

    // root
    OSG::NodeUnrecPtr  root = OSG::Node::create();
    OSG::GroupUnrecPtr gr1  = OSG::Group::create();

    root->setCore (gr1   );
    root->addChild(t1n   );
    root->addChild(dlight);

    // Load the file
    OSG::NodeUnrecPtr file = NULL;
    
    if(argc > 1)
    {
        file = OSG::SceneFileHandler::the()->read(argv[1], NULL);
    }

    if(file == NULL)
    {
        std::cerr << "Couldn't load file, ignoring" << std::endl;

        //file = OSG::makeSphere(4, 2.0);

        file = OSG::Node::create();
        OSG::AlgorithmStageUnrecPtr pStage = OSG::AlgorithmStage::create();

        file->setCore(pStage);

        pAlgo = OSG::GPUVolRTV2::create();

        pStage->setAlgorithm(pAlgo);

        // fix/freeze the node volume
        file->editVolume().setStatic(true);
        file->editVolume().setBounds( 0.f,   0.f,   0.f,
                                      1.f,   1.f,   1.f);
        
   }
   
    OSG::commitChanges();

    file->updateVolume();


    OSG::Vec3f min,max;
    file->getVolume().getBounds( min, max );
    

    std::cout << "Volume: from " << min << " to " << max << std::endl;



    OSG::MultiCoreUnrecPtr pMCore = OSG::MultiCore::create();

                         pCOver      = OSG::ChunkOverrideGroup::create();
    OSG::TransformRecPtr scene_trans = OSG::Transform::create();

    pMCore->addCore(scene_trans);
    pMCore->addCore(pCOver     );

    pPoly = OSG::PolygonChunk::create();

    OSG::NodeUnrecPtr sceneTrN = OSG::Node::create();

    sceneTrN->setCore (pMCore);
    sceneTrN->addChild(file  );

    dlight->addChild(sceneTrN);


    // Camera
    
    OSG::PerspectiveCameraRecPtr cam = OSG::PerspectiveCamera::create();

    cam->setBeacon(b1n                   );
    cam->setFov   (OSG::osgDegree2Rad(60));
    cam->setNear  (0.1                   );
    cam->setFar   (400                   );

    // Background
    OSG::SolidBackgroundUnrecPtr bkgnd = OSG::SolidBackground::create();

    bkgnd->setColor(OSG::Color3f(0,0,0));
    
    // Viewport
    OSG::ViewportRecPtr vp = OSG::Viewport::create();

    vp->setCamera    (cam       );
    vp->setBackground(bkgnd     );
    vp->setRoot      (root      );
    vp->setSize      (0, 0, 1, 1);


    // Window
    std::cout << "GLUT winid: " << winid << std::endl;

    GLint glvp[4];

    glGetIntegerv(GL_VIEWPORT, glvp);

    OSG::GLUTWindowUnrecPtr gwin = OSG::GLUTWindow::create();

    gwin->setGlutId(winid);
    gwin->setSize( glvp[2], glvp[3] );

    win = gwin;

    win->addPort(vp);

    win->init();


    // Action
    rentravact = OSG::RenderAction::create();
//    renact->setFrustumCulling(false);


    // tball

    OSG::Vec3f pos;
    pos.setValues(min[0] + ((max[0] - min[0]) * 0.5), 
                  min[1] + ((max[1] - min[1]) * 0.5), 
                  max[2] + ( max[2] - min[2] ) * 1.5 );
    
    float scale = (max[2] - min[2] + max[1] - min[1] + max[0] - min[0]) / 6;

    OSG::Pnt3f tCenter(min[0] + (max[0] - min[0]) / 2,
                       min[1] + (max[1] - min[1]) / 2,
                       min[2] + (max[2] - min[2]) / 2);

    fprintf(stderr, "Startpos : %f %f %f\n", pos[0], pos[1], pos[2]);

    tball.setMode            (OSG::Trackball::OSGObject);
    tball.setStartPosition   (pos, true                );
    tball.setSum             (true                     );
    tball.setTranslationMode (OSG::Trackball::OSGFree  );
    tball.setTranslationScale(scale                    );
    tball.setRotationCenter  (tCenter                  );

    // run...


    return 0;
}
void init(std::vector<std::string> &filenames)
{
    size_t i;
    OSG::DirectionalLightUnrecPtr dl;
    OSG::Real32 x,y,z;
    OSG::BoxVolume volume;
    OSG::Vec3f min,max;
    OSG::Vec3f size;

    glEnable( GL_DEPTH_TEST );
    glEnable( GL_LIGHTING );
    glEnable( GL_LIGHT0 );
//    GLint twoSide = 1;
//    glLightModeliv(GL_LIGHT_MODEL_TWO_SIDE,&twoSide);
    glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );

    // create the graph

    // beacon for camera and light
    OSG::NodeUnrecPtr b1n = OSG::Node::create();
    OSG::GroupUnrecPtr b1 = OSG::Group::create();
    b1n->setCore( b1 );

    // transformation
    OSG::NodeUnrecPtr t1n = OSG::Node::create();
    OSG::TransformUnrecPtr t1 = OSG::Transform::create();
    t1n->setCore( t1 );
    t1n->addChild( b1n );

    cam_trans = t1;

    // light

    OSG::NodeUnrecPtr dlight = OSG::Node::create();
    dl = OSG::DirectionalLight::create();

    dlight->setCore( dl );

    dl->setAmbient( .3f, .3f, .3f, 1 );
    dl->setDiffuse( 1, 1, 1, 1 );
    dl->setDirection(0,0,1);
    dl->setBeacon( b1n);

    // root
    root = OSG::Node::create();

    OSG::GroupUnrecPtr gr1 = OSG::Group::create();

    root->setCore( gr1 );
    root->addChild( t1n );
    root->addChild( dlight );

    // Load the file
    OSG::NodeUnrecPtr scene = OSG::Node::create();
    scene->setCore(OSG::Group::create());

    OSG::NodeUnrecPtr file;
    for(i=0;i<filenames.size();i++)
    {
        file = OSG::SceneFileHandler::the()->read(filenames[i].c_str(),0);
        if(file != NULL)
            scene->addChild(file);
        else
            std::cerr << "Couldn't load file, ignoring " << filenames[i] << std::endl;
    }
	if ( filenames.size()==0 )
	{
        file = OSG::makeTorus( .5, 2, 16, 16 );
        scene->addChild(file);
//        scene->addChild(makeBox(.6,.6,.6,5,5,5));
    }

    prepareSceneGraph(scene);

    OSG::Thread::getCurrentChangeList()->commitChanges();

    scene->invalidateVolume();
    scene->updateVolume();
    volume=scene->getVolume();
    volume.getBounds(min,max);
    size = max-min;

    if(ca>0)
    {
        if(cb==-1)
            cb=ca;
        if(cc==-1)
            cc=cb;
            
        OSG::NodeUnrecPtr node;
        OSG::NodeUnrecPtr geoNode;
        OSG::TransformUnrecPtr trans;
        for(x=-ca/2.0 ; x<ca/2.0 ; x++)
            for(y=-cb/2.0 ; y<cb/2.0 ; y++)
                for(z=-cc/2.0 ; z<cc/2.0 ; z++)
                {
                    trans=OSG::Transform::create();
                    node=OSG::Node::create();
                    
                    node->setCore(trans);
                    trans->editMatrix().setTranslate(
                        x*size[0]*1.1,
                        y*size[1]*1.1,
                        z*size[2]*1.1);
                    geoNode = OSG::cloneTree(scene);
                    geoNode->editSFVolume()->getValue() = scene->getSFVolume()->getValue();
                    geoNode->editVolume(false).setValid(true);
                    node->addChild( geoNode );
                    dlight->addChild(node);
                }
    }
    else
    {
        dlight->addChild(scene);
	}

    if(ca>0)
    {
        sum_geometries*=OSG::UInt32(ca*cb*cc);
        sum_triangles *=OSG::UInt32(ca*cb*cc);
        sum_positions *=OSG::UInt32(ca*cb*cc);
    }

    OSG::Thread::getCurrentChangeList()->commitChanges();

//    dlight->invalidateVolume();
    printf("update Volume\n");
    dlight->updateVolume();
    printf("update Volume OK\n");

    // should check first. ok for now.
    const OSG::BoxVolume &vol = dlight->getVolume();

    OSG::Pnt3f center;

    vol.getBounds(min, max);
    vol.getCenter(center);

    size = max - min;

    std::cout << "Volume: from " << min << " to " << max << std::endl;
    std::cout << "Center: " << center << std::endl;

    // Camera

    OSG::PerspectiveCameraUnrecPtr cam = OSG::PerspectiveCamera::create();
    cam->setBeacon( b1n );
    cam->setFov( OSG::osgDegree2Rad( 60 ) );
    cam->setNear( 10 );
    cam->setFar( 50000 );

    // Solid Background
    bkgnd = OSG::SolidBackground::create();
    bkgnd->setColor( OSG::Color3f(0,0,0) );
//    bkgnd->setColor( OSG::Color3f(.1,.1,.6) );
//    bkgnd->setColor( OSG::Color3f(1,1,1) );

    // Viewport
    OSG::ViewportUnrecPtr vp1;
    OSG::ViewportUnrecPtr vp2;
    if(stereoMode == 0)
    {
        vp1 = OSG::Viewport::create();
        vp1->setCamera    ( cam );
        vp1->setBackground( bkgnd );
        vp1->setRoot      ( root );
        vp1->setSize      ( 0,0, 1,1 );

        if(multiport)
        {
            vp2 = OSG::Viewport::create();
            vp2->setCamera    ( cam );
            vp2->setBackground( bkgnd );
            vp2->setRoot      ( root );
            vp2->setSize      ( .1f, .55f, .7f,.95f );
        }
    }
    else if(stereoMode == 1)
    {
        OSG::ShearedStereoCameraDecoratorUnrecPtr deco;
        // left
        deco=OSG::ShearedStereoCameraDecorator::create();
        deco->setLeftEye(true);
        deco->setEyeSeparation(eyedistance);
        deco->setDecoratee(cam);
        deco->setZeroParallaxDistance(zeroparallax);
        vp1 = OSG::Viewport::create();
        vp1->setCamera    ( deco );
        vp1->setBackground( bkgnd );
        vp1->setRoot      ( root );
        vp1->setSize      ( 0,0, .5,1 );
        // right
        deco=OSG::ShearedStereoCameraDecorator::create();
        deco->setLeftEye(false);
        deco->setEyeSeparation(eyedistance);
        deco->setDecoratee(cam);
        deco->setZeroParallaxDistance(zeroparallax);
        vp2 = OSG::Viewport::create();
        vp2->setCamera    ( deco );
        vp2->setBackground( bkgnd );
        vp2->setRoot      ( root );
        vp2->setSize      ( .5,0,1,1 );
    }
    else if(stereoMode == 2)
    {
        OSG::ShearedStereoCameraDecoratorUnrecPtr deco;
        // left
        deco=OSG::ShearedStereoCameraDecorator::create();
        deco->setLeftEye(true);
        deco->setEyeSeparation(eyedistance);
        deco->setDecoratee(cam);
        deco->setZeroParallaxDistance(zeroparallax);
        
        OSG::ColorBufferViewportUnrecPtr cvp1 = 
            OSG::ColorBufferViewport::create();
        cvp1->setCamera    ( deco );
        cvp1->setBackground( bkgnd );
        cvp1->setRoot      ( root );
        cvp1->setSize      ( 0,0, 1,1 );
        cvp1->setRed(GL_FALSE);
        cvp1->setGreen(GL_TRUE);
        cvp1->setBlue(GL_TRUE);
        cvp1->setAlpha(GL_TRUE);
        vp1 = cvp1;
        
        // right
        deco=OSG::ShearedStereoCameraDecorator::create();
        deco->setLeftEye(false);
        deco->setEyeSeparation(eyedistance);
        deco->setDecoratee(cam);
        deco->setZeroParallaxDistance(zeroparallax);
        
        OSG::ColorBufferViewportUnrecPtr cvp2 = 
            OSG::ColorBufferViewport::create();
        cvp2->setCamera    ( deco );
        cvp2->setBackground( bkgnd );
        cvp2->setRoot      ( root );
        cvp2->setSize      ( 0,0,1,1 );
        cvp2->setRed(GL_TRUE);
        cvp2->setGreen(GL_FALSE);
        cvp2->setBlue(GL_FALSE);
        cvp2->setAlpha(GL_FALSE);
        vp2 = cvp2;
    }

    GLint glvp[4];
    glGetIntegerv( GL_VIEWPORT, glvp );
    
    if(serverx>0 && servery>0)
        clusterWindow->setSize( serverx, servery );
    else
        clusterWindow->setSize( glvp[2], glvp[3] );
    clusterWindow->addPort( vp1 );

    if(multiport || stereoMode > 0)
        clusterWindow->addPort( vp2 );

    if(serviceInterfaceValid == true)
    {
        clusterWindow->setServiceInterface(serviceInterface);

        fprintf(stderr, "tcclient use if %s\n", serviceInterface.c_str());
    }

    if(serviceAddressValid == true)
    {
        clusterWindow->setServiceAddress(serviceAddress);

        fprintf(stderr, "tcclient use ba %s\n", serviceAddress.c_str());
    }

    // tball

    OSG::Vec3f pos(min[0] + ((max[0] - min[0]) * 0.5),
                   min[1] + ((max[1] - min[1]) * 0.5),
                   max[2] + ( max[2] - min[2] ) * 1.5 );

    float scale = (max[2] - min[2] + max[1] - min[1] + max[0] - min[0]) / 6;

    tball.setMode( OSG::Trackball::OSGObject );
    tball.setStartPosition( pos, true );
    tball.setSum( true );
    tball.setTranslationMode( OSG::Trackball::OSGFree );
    tball.setTranslationScale(scale);
    tball.setRotationCenter(center);
    tball.setTranslationGen(OSG::Trackball::OSGAbsoluteTranslation);

    // run...
    std::cout << size.length() << std::endl;
    cam->setFar (size.length() * 100.0);
    cam->setNear(size.length() * 100.0 / 100000.0);
}