| 373 | | int main( int argc, char **argv ) |
| 374 | | { |
| 375 | | |
| 376 | | // use an ArgumentParser object to manage the program arguments. |
| 377 | | osg::ArgumentParser arguments(&argc,argv); |
| 378 | | |
| 379 | | // set up the usage document, in case we need to print out how to use this program. |
| 380 | | arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrates use of handling keyboard events and text."); |
| 381 | | arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ..."); |
| 382 | | arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information"); |
| 383 | | arguments.getApplicationUsage()->addCommandLineOption("-c","Mannually create occluders"); |
| 384 | | |
| 385 | | // initialize the viewer. |
| 386 | | osgProducer::Viewer viewer(arguments); |
| 387 | | |
| 388 | | // set up the value with sensible default event handlers. |
| 389 | | viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS); |
| 390 | | |
| | 373 | int main(int , char **) |
| | 374 | { |
| | 375 | osgViewer::Viewer viewer; |
| 394 | | KeyboardEventHandler* keh = new KeyboardEventHandler(keyboardModel.get()); |
| 395 | | viewer.getEventHandlerList().push_front(keh); |
| 396 | | |
| 397 | | // get details on keyboard and mouse bindings used by the viewer. |
| 398 | | viewer.getUsage(*arguments.getApplicationUsage()); |
| 399 | | |
| 400 | | // if user request help write it out to cout. |
| 401 | | if (arguments.read("-h") || arguments.read("--help")) |
| 402 | | { |
| 403 | | arguments.getApplicationUsage()->write(std::cout); |
| 404 | | return 1; |
| 405 | | } |
| 406 | | |
| 407 | | // any option left unread are converted into errors to write out later. |
| 408 | | arguments.reportRemainingOptionsAsUnrecognized(); |
| 409 | | |
| 410 | | // report any errors if they have occured when parsing the program aguments. |
| 411 | | if (arguments.errors()) |
| 412 | | { |
| 413 | | arguments.writeErrorMessages(std::cout); |
| 414 | | return 1; |
| 415 | | } |
| 416 | | |
| 417 | | // attach the scene graph. |
| | 379 | viewer.addEventHandler(new KeyboardEventHandler(keyboardModel.get())); |
| 420 | | //osgDB::writeNodeFile(*keyboardModel->getScene(),"test.osg"); |
| 421 | | |
| 422 | | // create the windows and run the threads. |
| 423 | | viewer.realize(); |
| 424 | | |
| 425 | | |
| 426 | | while( !viewer.done() ) |
| 427 | | { |
| 428 | | // wait for all cull and draw threads to complete. |
| 429 | | viewer.sync(); |
| 430 | | |
| 431 | | // update the scene by traversing it with the the update visitor which will |
| 432 | | // call all node update callbacks and animations. |
| 433 | | viewer.update(); |
| 434 | | |
| 435 | | // fire off the cull and draw traversals of the scene. |
| 436 | | viewer.frame(); |
| 437 | | |
| 438 | | } |
| 439 | | |
| 440 | | // wait for all cull and draw threads to complete. |
| 441 | | viewer.sync(); |
| 442 | | |
| 443 | | // run a clean up frame to delete all OpenGL objects. |
| 444 | | viewer.cleanup_frame(); |
| 445 | | |
| 446 | | // wait for all the clean up frame to complete. |
| 447 | | viewer.sync(); |
| 448 | | |
| 449 | | return 0; |
| 450 | | } |
| | 382 | return viewer.run(); |
| | 383 | } |
