Changeset 5914 for OpenSceneGraph/trunk/examples/osgcallback/osgcallback.cpp

Timestamp:

01/05/07 17:19:25 (6 years ago)

Author:

robert

Message:

Ported osgcallback to osgViewer

Files:

• OpenSceneGraph/trunk/examples/osgcallback/osgcallback.cpp (modified) (5 diffs)

OpenSceneGraph/trunk/examples/osgcallback/osgcallback.cpp

@@ -1 @@
-#include <osgProducer/Viewer>
+#include <osgViewer/Viewer>
 
 #include <osg/Transform>
@@ -16 +16 @@
 #include <osgUtil/Optimizer>
 
+#include <iostream>
 
 class UpdateCallback : public osg::NodeCallback
@@ -123 +124 @@
     // 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 use of the range of different types of callbacks supported in the OpenSceneGraph.");
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
-    arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
-   // set the osgDB::Registy the read file callback to catch all requests for reading files.
-   osgDB::Registry::instance()->setReadFileCallback(new MyReadFileCallback());
+    // set the osgDB::Registy the read file callback to catch all requests for reading files.
+    osgDB::Registry::instance()->setReadFileCallback(new MyReadFileCallback());
    
     // initialize the viewer.
-    osgProducer::Viewer viewer(arguments);
-
-    // set up the value with sensible default event handlers.
-    viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
-
-    // 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;
-    }
-    
-    if (arguments.argc()<=1)
-    {
-        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
-        return 1;
-    }
+    osgViewer::Viewer viewer;
 
     // load the nodes from the commandline arguments.
@@ -168 +135 @@
     if (!rootnode)
     {
-//        write_usage(osg::notify(osg::NOTICE),argv[0]);
+        osg::notify(osg::NOTICE)<<"Please specify a file on the command line"<<std::endl;
+
         return 1;
     }
@@ -183 +151 @@
     viewer.setSceneData(rootnode);
 
-    // 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;
+    return viewer.run();
 }