FGFS-4.1/OpenSceneGraph
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Further work osgViewer::Viewer and related classes.

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This commit is contained in:
Robert Osfield
2006-12-20 21:13:29 +00:00
parent 32821ebe4e
commit 2255771b74
18 changed files with 580 additions and 36 deletions
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155
src/osgViewer/Viewer.cpp
View File

@@ -18,7 +18,19 @@
using namespace osgViewer;
Viewer::Viewer()
class ActionAdapter : public osgGA::GUIActionAdapter
{
public:
virtual ~ActionAdapter() {}
virtual void requestRedraw() { /*osg::notify(osg::NOTICE)<<"requestRedraw()"<<std::endl;*/ }
virtual void requestContinuousUpdate(bool needed=true) { /*osg::notify(osg::NOTICE)<<"requestContinuousUpdate("<<needed<<")"<<std::endl;*/ }
virtual void requestWarpPointer(float x,float y) { osg::notify(osg::NOTICE)<<"requestWarpPointer("<<x<<","<<y<<")"<<std::endl; }
};
Viewer::Viewer():
_firstFrame(true)
{
}
@@ -26,6 +38,20 @@ Viewer::~Viewer()
{
}
void Viewer::init()
{
osg::notify(osg::NOTICE)<<"Viewer::init()"<<std::endl;
osg::ref_ptr<osgGA::GUIEventAdapter> initEvent = _eventQueue->createEvent();
initEvent->setEventType(osgGA::GUIEventAdapter::FRAME);
if (_cameraManipulator.valid())
{
ActionAdapter aa;
_cameraManipulator->init(*initEvent, aa);
}
}
void Viewer::realize()
{
osg::notify(osg::NOTICE)<<"Viewer::realize()"<<std::endl;
@@ -49,22 +75,141 @@ void Viewer::realize()
void Viewer::frame()
{
osg::notify(osg::NOTICE)<<"Viewer::frame() not implemented yet."<<std::endl;
if (_firstFrame)
{
init();
_firstFrame = false;
}
frameEventTraversal();
frameUpdateTraversal();
frameCullTraversal();
frameDrawTraversal();
}
void Viewer::frameAdvance()
{
osg::notify(osg::NOTICE)<<"Viewer::frameAdvance() not implemented yet."<<std::endl;
// osg::notify(osg::NOTICE)<<"Viewer::frameAdvance()."<<std::endl;
_scene->frameAdvance();
}
void Viewer::frameEventTraversal()
{
osg::notify(osg::NOTICE)<<"Viewer::frameEventTraversal() not implemented yet."<<std::endl;
// osg::notify(osg::NOTICE)<<"Viewer::frameEventTraversal()."<<std::endl;
// need to copy events from the GraphicsWindow's into local EventQueue;
osgGA::EventQueue::Events events;
if (_camera.valid() && _camera->getGraphicsContext())
{
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(_camera->getGraphicsContext());
if (gw)
{
gw->checkEvents();
gw->getEventQueue()->takeEvents(events);
}
}
for(unsigned int i=0; i<getNumSlaves(); ++i)
{
Slave& slave = getSlave(i);
if (slave._camera.valid() && slave._camera->getGraphicsContext())
{
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(slave._camera->getGraphicsContext());
if (gw)
{
gw->checkEvents();
gw->getEventQueue()->takeEvents(events);
}
}
}
_eventQueue->frame( _scene->getFrameStamp()->getReferenceTime() );
_eventQueue->takeEvents(events);
osgGA::GUIEventAdapter* eventState = getEventQueue()->getCurrentEventState();
for(osgGA::EventQueue::Events::iterator itr = events.begin();
itr != events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
event->setInputRange(eventState->getXmin(), eventState->getYmin(), eventState->getXmax(), eventState->getYmax());
}
#if 0
// osg::notify(osg::NOTICE)<<"Events "<<events.size()<<std::endl;
for(osgGA::EventQueue::Events::iterator itr = events.begin();
itr != events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
switch(event->getEventType())
{
case(osgGA::GUIEventAdapter::PUSH):
osg::notify(osg::NOTICE)<<" PUSH "<<event->getButton()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
break;
case(osgGA::GUIEventAdapter::RELEASE):
osg::notify(osg::NOTICE)<<" RELEASE "<<event->getButton()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
break;
case(osgGA::GUIEventAdapter::DRAG):
osg::notify(osg::NOTICE)<<" DRAG "<<event->getButtonMask()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
break;
case(osgGA::GUIEventAdapter::MOVE):
osg::notify(osg::NOTICE)<<" MOVE "<<event->getButtonMask()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
break;
case(osgGA::GUIEventAdapter::SCROLL):
osg::notify(osg::NOTICE)<<" SCROLL "<<event->getScrollingMotion()<<std::endl;
break;
case(osgGA::GUIEventAdapter::KEYDOWN):
osg::notify(osg::NOTICE)<<" KEYDOWN '"<<(char)event->getKey()<<"'"<<std::endl;
break;
case(osgGA::GUIEventAdapter::KEYUP):
osg::notify(osg::NOTICE)<<" KEYUP '"<<(char)event->getKey()<<"'"<<std::endl;
break;
case(osgGA::GUIEventAdapter::FRAME):
// osg::notify(osg::NOTICE)<<" FRAME "<<std::endl;
break;
default:
// osg::notify(osg::NOTICE)<<" Event not handled"<<std::endl;
break;
}
}
#endif
ActionAdapter aa;
for(osgGA::EventQueue::Events::iterator itr = events.begin();
itr != events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
bool handled = false;
if (_cameraManipulator.valid())
{
_cameraManipulator->handle( *event, aa);
}
for(EventHandlers::iterator hitr = _eventHandlers.begin();
hitr != _eventHandlers.end() && !handled;
++hitr)
{
handled = (*hitr)->handle( *event, aa, 0, 0);
}
}
}
void Viewer::frameUpdateTraversal()
{
osg::notify(osg::NOTICE)<<"Viewer::frameUpdateTraversal() not implemented yet."<<std::endl;
if (_cameraManipulator.valid())
{
_camera->setViewMatrix(_cameraManipulator->getInverseMatrix());
}
updateSlaves();
}
void Viewer::frameCullTraversal()