void addDeviceTo(osgViewer::Viewer& viewer, const std::string& device_name)
{
osg::ref_ptr<osgGA::Device> dev = osgDB::readFile<osgGA::Device>(device_name);
if (dev.valid())
{
OSG_INFO << "Adding Device : " << device_name << std::endl;
viewer.addDevice(dev.get());
if (dev->getCapabilities() & osgGA::Device::SEND_EVENTS)
viewer.getEventHandlers().push_front(new ForwardToDeviceEventHandler(dev.get()));
}
else
{
OSG_WARN << "could not open device: " << device_name << std::endl;
}
}
void LevelUpdater::operator()(osg::Node *node, osg::NodeVisitor *nv)
{
double currentStepTime = viewer.getFrameStamp()->getSimulationTime();
// compensate error arising from the osg::Viewer resetting its SimulationTime
if(currentStepTime - _previousStepTime < 0.0f)
{
Player::getInstance()->resetPosition();
((LazyCameraManipulator *)viewer.getCameraManipulator())->resetCamera();
_previousStepTime = currentStepTime - 0.5;
}
int numSimulationSubSteps = _level->getPhysicsWorld()->stepSimulation(currentStepTime - _previousStepTime,
(int)((currentStepTime - _previousStepTime) * 60.0f) + 1);
((LazyCameraManipulator *)viewer.getCameraManipulator())->setNumSimulationSubSteps(numSimulationSubSteps);
_previousStepTime = currentStepTime;
// player dies when falling too low
{
btVector3 position = Player::getInstance()->getController()->getGhostObject()->getWorldTransform().getOrigin();
int yBucketIndex = (int)(position.y() / 20.0f);
if(yBucketIndex >= _level->getDeadlyAltitudes().size())
yBucketIndex = _level->getDeadlyAltitudes().size() - 1;
float minimum = min(_level->getDeadlyAltitudes()[yBucketIndex],
(_level->getDeadlyAltitudes())[yBucketIndex + 1]);
if(position.z() < (minimum - 5.0f))
_level->playerDied();
}
// fade out when level is finished
osg::Vec4 constantBlendColor = _blendColor->getConstantColor();
float alpha = constantBlendColor.a();
// player reached finish
{
osg::Vec3 position = Player::getInstance()->getPosition();
std::vector<osg::Vec3> finishs = _level->getFinishs();
for(size_t i = 0; i < finishs.size(); i++)
{
float maxDistance = 1.0f;
osg::Vec3 diff = position - finishs[i];
if(diff.x() < maxDistance && diff.x() > -maxDistance &&
diff.y() < maxDistance * 3.0f && diff.y() > -maxDistance &&
diff.z() < maxDistance && diff.z() > -maxDistance)
{
if(alpha == 1.0f)
{
alpha -= 0.01f;
_level->getHeadUpDisplay()->stopTimer();
viewer.getEventHandlers().remove(_level->getKeyboardHandler());
((LazyCameraManipulator *)viewer.getCameraManipulator())->fadeOut();
Player::getInstance()->getPlayerState()->setRequestAccelerate(false);
Player::getInstance()->getPlayerState()->setRequestDecelerate(true);
}
}
}
if(alpha < 1.0f)
{
alpha -= 0.01f;
if(alpha <= 0.0f)
{
alpha = 0.0f;
_level->setReachedFinish(true);
}
constantBlendColor[3] = alpha;
_blendColor->setConstantColor(constantBlendColor);
}
}
traverse(node, nv);
}
int main( int argc, char **argv )
{
int windowWidth, windowHeight;
std::string osgEarthFileName = "D:/Dev/csp/csp/examples/cspEarth/data/srtm.earth";
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
// Allow a debugger to be attached before the interesting parts start
if (arguments.read("-p"))
{
std::cout << "Attach debugger and press a key..." << std::endl;
std::getchar();
}
// if an .earth file definition was specified, use this one instead of the default
arguments.read("-file", osgEarthFileName);
// get screen size
arguments.read("-window", windowWidth, windowHeight);
// =====================================================================
// SETUP
// Make it possible for this application to locate images bound
// to textures.
std::string search_path = ";";
csp::ospath::addpath(search_path, "./data/images/");
csp::ospath::addpath(search_path, "./data/models/");
csp::ObjectModel::setDataFilePathList(search_path);
// Set paths for shader files.
Shader::instance()->setShaderPath("./data/shaders/");
// =====================================================================
// Manual creation of a object model.
Ref<ObjectModel> my_model = new ObjectModel();
// An external is used to handle the path to the scene graph file.
// It is also ensuring that paths is handled independent on operating
// system.
External modelPath;
modelPath.setSource("industry/refinery_column01/refinery_column01.osg");
my_model->setModelPath(modelPath);
my_model->setSmooth(true);
// Load the model from disc. This will also apply needed shaders.
// smoothing and more things.
my_model->loadModel();
// read osgEarth config file and create the globe
std::cout << "reading osgEarth config file: " << osgEarthFileName << std::endl;
osg::ref_ptr<osg::Node> globe = osgDB::readNodeFile(osgEarthFileName);
osg::ref_ptr<osg::Node> topNode = new osg::Node;
osg::Group* group = new osg::Group;
group->setName("root group");
// =====================================================================
// construct the viewer
viewer.addEventHandler(new osgViewer::StatsHandler);
viewer.addEventHandler(new osgViewer::HelpHandler);
viewer.addEventHandler(new osgViewer::WindowSizeHandler);
viewer.addEventHandler(new osgViewer::ScreenCaptureHandler);
// modify the key mapping of an osg default event handler
// this is just to demonstrate the principle, no real use case behind it...
osgViewer::View::EventHandlers eventHandlers = viewer.getEventHandlers();
// iterate through the viewer's event handlers and modify their default behavior
for (osgViewer::View::EventHandlers::iterator it = eventHandlers.begin(); it != eventHandlers.end(); ++it)
{
// EventHandlers is a list of osgGA::GUIEventHandlers, so RTTI is used to find out the derived class
if(osgViewer::WindowSizeHandler *winSizeHandler =
dynamic_cast<osgViewer::WindowSizeHandler *>(it->get()))
{
winSizeHandler->setKeyEventToggleFullscreen(osgGA::GUIEventAdapter::KEY_F2);
}
}
// Create overlay data
osg::ref_ptr<osg::Geode> statsGeometry = createStatsGeometry();
group->addChild( statsGeometry );
// add the osgEarth globe to the scene
group->addChild( globe.get() );
group->addChild( my_model->getModel().get() );
//viewer.setSceneData(my_model->getModel().get());
viewer.setSceneData( group );
//viewer.setSceneData(globe.get());
// create camera and context
setupCameraAndContext( viewer, windowWidth, windowHeight );
// the overlay geometry is added to an individual camera
// QUESTION: But why isn't it rendered by the primary cam?!?
statsCamera->addChild( statsGeometry );
//viewer.setCameraManipulator(new osgGA::FlightManipulator);
osgEarth::MapNode* mapNode = osgEarth::MapNode::findMapNode(globe);
manip = new osgEarthUtil::EarthManipulator();
manip->setNode(globe);
if ( mapNode->getMap()->isGeocentric() )
{
manip->setHomeViewpoint(
osgEarthUtil::Viewpoint( osg::Vec3d( -90, 0, 0 ), 0.0, -90.0, 5e7 ) );
}
manip->getSettings()->bindMouseDoubleClick(
osgEarthUtil::EarthManipulator::ACTION_GOTO, osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON );
viewer.setCameraManipulator(manip);
viewer.addEventHandler(new inputHandler());
// run the viewers frame loop
viewer.realize();
// main loop (note, window toolkits which take control over the main loop will require
// a window redraw callback containing the code below.)
while(!viewer.done())
{
viewer.frame();
}
}
