FGFS-4.1/OpenSceneGraph
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Ported osgcluster to osgViewer.

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This commit is contained in:
Robert Osfield
2007-01-05 21:19:01 +00:00
parent ee5adcdae5
commit fea694a0bf
14 changed files with 82 additions and 146 deletions
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78
examples/osgcluster/osgcluster.cpp
View File

@@ -8,11 +8,13 @@
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osgProducer/Viewer>
#include <osgViewer/Viewer>
#include <osg/Quat>
#include <osg/io_utils>
#include <iostream>
#if defined (WIN32) && !defined(__CYGWIN__)
#include <winsock.h>
#endif
@@ -47,9 +49,9 @@ class CameraPacket {
matrix = _matrix * osg::Matrix::rotate(osg::DegreesToRadians(angle_offset),0.0f,1.0f,0.0f);
}
void readEventQueue(osgProducer::Viewer& viewer);
void readEventQueue(osgViewer::Viewer& viewer);
void writeEventQueue(osgProducer::Viewer& viewer);
void writeEventQueue(osgViewer::Viewer& viewer);
void setMasterKilled(const bool flag) { _masterKilled = flag; }
const bool getMasterKilled() const { return _masterKilled; }
@@ -379,21 +381,20 @@ class DataConverter
}
};
void CameraPacket::readEventQueue(osgProducer::Viewer& viewer)
void CameraPacket::readEventQueue(osgViewer::Viewer& viewer)
{
_events.clear();
viewer.getKeyboardMouseCallback()->copyEventQueue(_events);
viewer.getEventQueue()->copyEvents(_events);
osg::notify(osg::INFO)<<"written events = "<<_events.size()<<std::endl;
}
void CameraPacket::writeEventQueue(osgProducer::Viewer& viewer)
void CameraPacket::writeEventQueue(osgViewer::Viewer& viewer)
{
osg::notify(osg::INFO)<<"recieved events = "<<_events.size()<<std::endl;
// copy the events to osgProducer style events.
viewer.getKeyboardMouseCallback()->appendEventQueue(_events);
viewer.getEventQueue()->appendEvents(_events);
}
@@ -421,13 +422,7 @@ int main( int argc, char **argv )
arguments.getApplicationUsage()->addCommandLineOption("-o <float>","Offset angle of camera");
// construct 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());
osgViewer::Viewer viewer;
// read up the osgcluster specific arguments.
@@ -469,30 +464,34 @@ int main( int argc, char **argv )
arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
return 1;
}
// load model.
osg::ref_ptr<osg::Node> rootnode = osgDB::readNodeFiles(arguments);
// set the scene to render
viewer.setSceneData(rootnode.get());
// create the windows and run the threads.
viewer.realize();
// set up the lens after realize as the Producer lens is not set up properly before this.... will need to inveestigate this at a later date.
if (camera_fov>0.0f)
{
float aspectRatio = tan( osg::DegreesToRadians(viewer.getLensVerticalFov()*0.5)) / tan(osg::DegreesToRadians(viewer.getLensHorizontalFov()*0.5));
float new_fovy = osg::RadiansToDegrees(atan( aspectRatio * tan( osg::DegreesToRadians(camera_fov*0.5))))*2.0f;
std::cout << "setting lens perspective : original "<<viewer.getLensHorizontalFov()<<" "<<viewer.getLensVerticalFov()<<std::endl;
viewer.setLensPerspective(camera_fov,new_fovy,1.0f,1000.0f);
std::cout << "setting lens perspective : new "<<viewer.getLensHorizontalFov()<<" "<<viewer.getLensVerticalFov()<<std::endl;
double fovy, aspectRatio, zNear, zFar;
viewer.getCamera()->getProjectionMatrixAsPerspective(fovy, aspectRatio,zNear, zFar);
double original_fov = atan(tan(osg::DegreesToRadians(fovy)*0.5)*aspectRatio)*2.0;
std::cout << "setting lens perspective : original "<<original_fov<<" "<<fovy<<std::endl;
fovy = atan(tan(osg::DegreesToRadians(camera_fov)*0.5)/aspectRatio)*2.0;
viewer.getCamera()->setProjectionMatrixAsPerspective(fovy, aspectRatio,zNear, zFar);
viewer.getCamera()->getProjectionMatrixAsPerspective(fovy, aspectRatio,zNear, zFar);
original_fov = atan(tan(osg::DegreesToRadians(fovy)*0.5)*aspectRatio)*2.0;
std::cout << "setting lens perspective : new "<<original_fov<<" "<<fovy<<std::endl;
}
// create the windows and run the threads.
viewer.realize();
CameraPacket *cp = new CameraPacket;
// objects for managing the broadcasting and recieving of camera packets.
@@ -508,11 +507,10 @@ int main( int argc, char **argv )
while( !viewer.done() && !masterKilled )
{
// wait for all cull and draw threads to complete.
viewer.sync();
osg::Timer_t startTick = osg::Timer::instance()->tick();
viewer.advance();
// special handling for working as a cluster.
switch (viewerMode)
{
@@ -520,7 +518,7 @@ int main( int argc, char **argv )
{
// take camera zero as the guide.
osg::Matrix modelview(viewer.getCamera(0)->getViewMatrix());
osg::Matrix modelview(viewer.getCamera()->getViewMatrix());
cp->setPacket(modelview,viewer.getFrameStamp());
@@ -571,31 +569,23 @@ int main( int argc, char **argv )
// update the scene by traversing it with the the update visitor which will
// call all node update callbacks and animations.
viewer.update();
viewer.eventTraversal();
viewer.updateTraversal();
if (viewerMode==SLAVE)
{
osg::Matrix modelview;
cp->getModelView(modelview,camera_offset);
viewer.setView(modelview);
viewer.getCamera()->setViewMatrix(modelview);
}
// fire off the cull and draw traversals of the scene.
if(!masterKilled)
viewer.frame();
viewer.renderingTraversals();
}
// 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();
// if we are master clean up by telling all slaves that we're going down.
if (viewerMode==MASTER)
{