C++ SimpleSceneManagerRefPtr::getRenderAction方法代码示例

// redraw the window
void display(void)
{
    // redraw the client window
    _mgr->redraw();


    OSG::commitChanges();

    try
    {
        if(_cluster_win != NULL)
        {
            OSG::Thread::getCurrentChangeList()->dump();

            // redraw the server windows
            _cluster_win->render((OSG::RenderAction *) _mgr->getRenderAction());
        }
    }
    
    catch(OSG_STDEXCEPTION_NAMESPACE::exception &e)
    {
        //printf("error: '%s'\n", e.what());
        printf("ClusterServer was killed!\n");

        _cluster_win = NULL;
    } 
    
    OSG::commitChanges();
    OSG::clearChangeList();
}

static void connectCluster(void)
{
    if(_cluster_win != NULL)
        return;

    OSG::Viewport *clientvp = _client_win->getPort(0);
    
    // create the viewports for the cluster just a simple one ...
    OSG::ViewportUnrecPtr vp = OSG::Viewport::create();

    vp->setCamera    (_mgr->getCamera());
    vp->setBackground(clientvp->getBackground());
    vp->setRoot      (clientvp->getRoot());
    vp->setSize      (0,0, 1,1);

    // the connection between this client and the servers
    _cluster_win = OSG::MultiDisplayWindow::create();

    // all changes must be enclosed in beginEditCP and endEditCP
    // otherwise the changes will not be transfered over the network.

    for(OSG::UInt32 i=0;i<_pipenames.size();++i)
        _cluster_win->editMFServers()->push_back(_pipenames[i]);
    // dummy size for navigator
    _cluster_win->setSize(300,300);
    _cluster_win->addPort(vp);

    OSG::Thread::getCurrentChangeList()->commitChangesAndClear();
    OSG::Thread::getCurrentChangeList()->fillFromCurrentState();
    OSG::Thread::getCurrentChangeList()->dump();
    // create from the current state a changelist.

    // initialize window
    _cluster_win->init();

    // apply changelist to the servers
    _cluster_win->render((OSG::RenderAction *) _mgr->getRenderAction());

    // clear changelist
    OSG::Thread::getCurrentChangeList()->clear();

    glutPostRedisplay();
}

//.........这里部分代码省略.........
            normalsActive = true;

            if(normalsGeoN.empty() == true)
                constructNormalsGeo(sceneN);

            NodeStore::const_iterator ngIt  = normalsGeoN.begin();
            NodeStore::const_iterator ngEnd = normalsGeoN.end  ();

            for(; ngIt != ngEnd; ++ngIt)
            {
                (*ngIt)->setTravMask(OSG::TypeTraits<OSG::UInt32>::BitsSet);
            }

            std::cout << "Normals enabled" << std::endl;
        }
    }
    break;
    case 'm':
    {
        normalsLen /= 1.25f;
        constructNormalsGeo(sceneN);
        std::cout << "Normals length " << normalsLen << std::endl;
    }
    break;
    case 'M':
    {
        normalsLen *= 1.25f;
        constructNormalsGeo(sceneN);
        std::cout << "Normals length " << normalsLen << std::endl;
    }
    break;
    case 'v':
    {
        mgr->getRenderAction()->setVolumeDrawing(
            !mgr->getRenderAction()->getVolumeDrawing());
        std::cout << "Volume drawing: "
                  << (mgr->getRenderAction()->getVolumeDrawing() ? "enabled" : "disabled")
                  << std::endl;
    }
    break;
    case 'p':
    {
        OSG::SceneGraphPrinter sgp(mgr->getRoot());
        sgp.addPrintFunc(OSG::SkinnedGeometry::getClassType(),
                         &printVolume                         );
        sgp.printDownTree(std::cout);

        NodeStore::const_iterator nIt  = skinnedGeoN.begin();
        NodeStore::const_iterator nEnd = skinnedGeoN.end  ();

        for(OSG::UInt32 i = 0; nIt != nEnd; ++nIt, ++i)
        {
            OSG::SkinnedGeometry *sgeo = dynamic_cast<OSG::SkinnedGeometry *>(
                (*nIt)->getCore());

            std::cout << "Skeleton:\n";
            OSG::SceneGraphPrinter skelPrinter(sgeo->getSkeleton()->getRoots(0));
            skelPrinter.addPrintFunc(OSG::Transform    ::getClassType(),
                                     &printXForm                        );
            //skelPrinter.addPrintFunc(OSG::SkeletonJoint::getClassType(),
            //                         &printJoint                        );
            skelPrinter.printDownTree(std::cout);
        }
    }
    break;

//.........这里部分代码省略.........
        OSG::GroupRefPtr g     = OSG::Group::create();
        
        scene->setCore(g);
        
        if(argc < 2)
        {
            FWARNING(("No file given!\n"));
            FWARNING(("Supported file formats:\n"));
            
            std::list<const char*> suffixes;
            OSG::SceneFileHandler::the()->getSuffixList(suffixes);
            
            for(std::list<const char*>::iterator it  = suffixes.begin();
                                                 it != suffixes.end();
                                               ++it)
            {
                FWARNING(("%s\n", *it));
            }
    
            fileroot = OSG::makeTorus(.5, 2, 16, 16);
        }
        else
        {
            fileroot = OSG::SceneFileHandler::the()->read(argv[1]);
            /*
                All scene file loading is handled via the SceneFileHandler.
            */
        }
    
        scene->addChild(fileroot);
        
        // Create a small geometry to show the ray and what was hit
        // Contains a line and a single triangle.
        // The line shows the ray, the triangle whatever was hit.
        
        OSG::SimpleMaterialRefPtr red = OSG::SimpleMaterial::create();
        
        red->setDiffuse     (OSG::Color3f( 1,0,0 ));   
        red->setTransparency(0.5);   
        red->setLit         (false);   
    
        isectPoints = OSG::GeoPnt3fProperty::create();
        isectPoints->addValue(OSG::Pnt3f(0,0,0));
        isectPoints->addValue(OSG::Pnt3f(0,0,0));
        isectPoints->addValue(OSG::Pnt3f(0,0,0));
        isectPoints->addValue(OSG::Pnt3f(0,0,0));
        isectPoints->addValue(OSG::Pnt3f(0,0,0));
    
        OSG::GeoUInt32PropertyRefPtr index = OSG::GeoUInt32Property::create();
        index->addValue(0);
        index->addValue(1);
        index->addValue(2);
        index->addValue(3);
        index->addValue(4);
    
        OSG::GeoUInt32PropertyRefPtr lens = OSG::GeoUInt32Property::create();
        lens->addValue(2);
        lens->addValue(3);
        
        OSG::GeoUInt8PropertyRefPtr type = OSG::GeoUInt8Property::create();
        type->addValue(GL_LINES);
        type->addValue(GL_TRIANGLES);
    
        testgeocore = OSG::Geometry::create();
        testgeocore->setPositions(isectPoints);
        testgeocore->setIndices(index);
        testgeocore->setLengths(lens);
        testgeocore->setTypes(type);
        testgeocore->setMaterial(red);
        
        OSG::NodeRefPtr testgeo = OSG::Node::create();
        testgeo->setCore(testgeocore);
        
        scene->addChild(testgeo);
    
        // create the SimpleSceneManager helper
        mgr = OSG::SimpleSceneManager::create();
    
        // tell the manager what to manage
        mgr->setWindow(gwin );
        mgr->setRoot  (scene);
    
        // show the whole scene
        mgr->showAll();
    
        mgr->getCamera()->setNear(mgr->getCamera()->getNear() / 10);
    
        // Show the bounding volumes? Not for now
        mgr->getRenderAction()->setVolumeDrawing(false);
    
        _idbuff = new IDbuffer();
        _idbuff->setCamera(mgr->getCamera());
        _idbuff->setRoot(scene);
    }
    
    // GLUT main loop
    glutMainLoop();

    return 0;
}