Changeset 5923 for OpenSceneGraph/trunk/examples/osgforest/osgforest.cpp

Timestamp:

01/06/07 22:35:57 (6 years ago)

Author:

robert

Message:

Ported osgcopy, osgcubemap, osgdelaunay, osgdepthpartion, osgdistortion, osgfadetext, osgforest and osgfxbrowser to osgViewer

Files:

• OpenSceneGraph/trunk/examples/osgforest/osgforest.cpp (modified) (2 diffs)

OpenSceneGraph/trunk/examples/osgforest/osgforest.cpp

@@ -24 +24 @@
 #include <osgText/Text>
 
-#include <osgProducer/Viewer>
+#include <osgViewer/Viewer>
+
+#include <iostream>
 
 // for the grid data..
@@ -1070 +1072 @@
     // 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()->setDescription(arguments.getApplicationName()+" is the example which demonstrates the osg::Shape classes.");
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
-    arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
-    arguments.getApplicationUsage()->addCommandLineOption("--trees <number>","Set the number of trees to create");
    
     // construct the viewer.
-    osgProducer::Viewer viewer(arguments);
+    osgViewer::Viewer viewer;
 
     float numTreesToCreates = 10000;
     arguments.read("--trees",numTreesToCreates);
-
-    // set up the value with sensible default event handlers.
-    viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
     
     osg::ref_ptr<ForestTechniqueManager> ttm = new ForestTechniqueManager;
     
-    viewer.getEventHandlerList().push_front(new TechniqueEventHandler(ttm.get()));
-
-    // get details on keyboard and mouse bindings used by the viewer.
-    viewer.getUsage(*arguments.getApplicationUsage());
-
-    // if user request help write it out to cout.
-    if (arguments.read("-h") || arguments.read("--help"))
-    {
-        arguments.getApplicationUsage()->write(std::cout);
-        return 1;
-    }
-
-    // any option left unread are converted into errors to write out later.
-    arguments.reportRemainingOptionsAsUnrecognized();
-
-    // report any errors if they have occured when parsing the program aguments.
-    if (arguments.errors())
-    {
-        arguments.writeErrorMessages(std::cout);
-        return 1;
-    }
-    
-    osg::Node* node = ttm->createScene((unsigned int)numTreesToCreates);
+    viewer.addEventHandler(new TechniqueEventHandler(ttm.get()));
 
     // add model to viewer.
-    viewer.setSceneData( node );
-
-    // create the windows and run the threads.
-    viewer.realize();
-
-    while( !viewer.done() )
-    {
-        // wait for all cull and draw threads to complete.
-        viewer.sync();
-
-        // update the scene by traversing it with the the update visitor which will
-        // call all node update callbacks and animations.
-        viewer.update();
-         
-        // fire off the cull and draw traversals of the scene.
-        viewer.frame();
-        
-    }
-    
-    // wait for all cull and draw threads to complete.
-    viewer.sync();
-
-    // run a clean up frame to delete all OpenGL objects.
-    viewer.cleanup_frame();
-
-    // wait for all the clean up frame to complete.
-    viewer.sync();
-
-    return 0;
-}
+    viewer.setSceneData( ttm->createScene((unsigned int)numTreesToCreates) );
+
+
+    return viewer.run();
+}