2008-11-24 22:37:15 +08:00
|
|
|
/* OpenSceneGraph example, osgcamera.
|
|
|
|
*
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
|
|
* in the Software without restriction, including without limitation the rights
|
|
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
*
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
|
|
* THE SOFTWARE.
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
#include <osgDB/ReadFile>
|
|
|
|
#include <osgDB/WriteFile>
|
|
|
|
#include <osgViewer/Viewer>
|
|
|
|
#include <osgViewer/ViewerEventHandlers>
|
|
|
|
#include <osgGA/TrackballManipulator>
|
|
|
|
#include <osgGA/FlightManipulator>
|
|
|
|
#include <osgGA/AnimationPathManipulator>
|
|
|
|
#include <osgGA/GUIEventHandler>
|
|
|
|
#include <osgGA/StateSetManipulator>
|
|
|
|
#include <osg/PolygonMode>
|
|
|
|
#include <osgUtil/Optimizer>
|
|
|
|
#include <osg/Depth>
|
|
|
|
#include <iostream>
|
|
|
|
#include <osg/Switch>
|
|
|
|
#include <osgSim/MultiSwitch>
|
|
|
|
#include <osgSim/DOFTransform>
|
|
|
|
|
|
|
|
#include <osg/AlphaFunc>
|
|
|
|
#include <osg/BlendFunc>
|
|
|
|
|
|
|
|
using namespace osg;
|
|
|
|
using namespace osgGA;
|
|
|
|
|
|
|
|
|
2015-10-22 21:42:19 +08:00
|
|
|
class SwitchDOFVisitor : public osg::NodeVisitor, public osgGA::GUIEventHandler
|
2008-11-24 22:37:15 +08:00
|
|
|
{
|
|
|
|
public:
|
|
|
|
SwitchDOFVisitor():
|
|
|
|
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2016-06-08 19:07:14 +08:00
|
|
|
SwitchDOFVisitor(const SwitchDOFVisitor& sdfv, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
|
|
|
|
osg::Object(sdfv, copyop),
|
|
|
|
osg::Callback(sdfv, copyop),
|
|
|
|
osg::NodeVisitor(sdfv, copyop),
|
|
|
|
osgGA::GUIEventHandler(sdfv, copyop)
|
|
|
|
{}
|
2013-09-24 23:08:23 +08:00
|
|
|
|
|
|
|
META_Object(osg, SwitchDOFVisitor)
|
2015-10-22 21:42:19 +08:00
|
|
|
|
2008-11-24 22:37:15 +08:00
|
|
|
virtual void apply(Group& node)
|
|
|
|
{
|
|
|
|
osgSim::MultiSwitch* pMSwitch = dynamic_cast<osgSim::MultiSwitch*>(&node);
|
2015-10-22 21:42:19 +08:00
|
|
|
|
2008-11-24 22:37:15 +08:00
|
|
|
if (pMSwitch)
|
|
|
|
{
|
|
|
|
mSwitches.push_back(pMSwitch);
|
|
|
|
}
|
|
|
|
|
|
|
|
osg::NodeVisitor::apply(node);
|
|
|
|
}
|
2015-10-22 21:42:19 +08:00
|
|
|
|
2008-11-24 22:37:15 +08:00
|
|
|
virtual void apply(Transform& node)
|
|
|
|
{
|
|
|
|
osgSim::DOFTransform* pDof = dynamic_cast<osgSim::DOFTransform*>(&node);
|
2015-10-22 21:42:19 +08:00
|
|
|
|
2008-11-24 22:37:15 +08:00
|
|
|
if (pDof)
|
|
|
|
{
|
|
|
|
mDofs.push_back(pDof);
|
|
|
|
pDof->setAnimationOn(true);
|
|
|
|
}
|
|
|
|
|
|
|
|
osg::NodeVisitor::apply(node);
|
|
|
|
}
|
|
|
|
|
|
|
|
void nextSwitch()
|
|
|
|
{
|
|
|
|
for (size_t i=0; i < mSwitches.size(); i++)
|
|
|
|
{
|
|
|
|
if (mSwitches[i]->getSwitchSetList().size() > 1)
|
|
|
|
{
|
|
|
|
// Toggle through switchsets
|
|
|
|
unsigned int nextSwitchSet = mSwitches[i]->getActiveSwitchSet();
|
|
|
|
nextSwitchSet++;
|
|
|
|
if (nextSwitchSet >= mSwitches[i]->getSwitchSetList().size())
|
|
|
|
nextSwitchSet = 0;
|
|
|
|
mSwitches[i]->setActiveSwitchSet(nextSwitchSet);
|
|
|
|
}
|
|
|
|
else if (mSwitches[i]->getSwitchSetList().size() == 1)
|
|
|
|
{
|
|
|
|
// If we have only one switchset, toggle values within this switchset
|
|
|
|
osgSim::MultiSwitch::ValueList values = mSwitches[i]->getValueList(0);
|
|
|
|
for (size_t j=0; j < values.size(); j++)
|
|
|
|
{
|
|
|
|
if (values[j])
|
|
|
|
{
|
|
|
|
unsigned int nextValue = j+1;
|
|
|
|
if (nextValue >= values.size())
|
|
|
|
nextValue = 0;
|
|
|
|
mSwitches[i]->setSingleChildOn(0, nextValue);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void multiplyAnimation(float scale)
|
|
|
|
{
|
|
|
|
for (size_t i=0; i < mDofs.size(); i++)
|
|
|
|
{
|
|
|
|
mDofs[i]->setIncrementHPR(mDofs[i]->getIncrementHPR() * scale);
|
|
|
|
mDofs[i]->setIncrementScale(mDofs[i]->getIncrementScale() * scale);
|
|
|
|
mDofs[i]->setIncrementTranslate(mDofs[i]->getIncrementTranslate() * scale);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
|
|
|
|
{
|
|
|
|
osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
|
|
|
|
if (!viewer) return false;
|
|
|
|
|
|
|
|
if (ea.getHandled()) return false;
|
|
|
|
|
|
|
|
if(ea.getEventType()==GUIEventAdapter::KEYDOWN)
|
|
|
|
{
|
|
|
|
|
|
|
|
switch( ea.getKey() )
|
|
|
|
{
|
|
|
|
case osgGA::GUIEventAdapter::KEY_Right:
|
|
|
|
// Toggle next switch
|
|
|
|
nextSwitch();
|
|
|
|
return true;
|
|
|
|
break;
|
|
|
|
case osgGA::GUIEventAdapter::KEY_Up:
|
|
|
|
// Increase animation speed
|
|
|
|
multiplyAnimation(2);
|
|
|
|
return true;
|
|
|
|
break;
|
|
|
|
case osgGA::GUIEventAdapter::KEY_Down:
|
|
|
|
// Decrease animation speed
|
|
|
|
multiplyAnimation(0.5);
|
|
|
|
return true;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
std::vector<osgSim::MultiSwitch*> mSwitches;
|
|
|
|
std::vector<osgSim::DOFTransform*> mDofs;
|
|
|
|
};
|
|
|
|
|
|
|
|
void singleWindowSideBySideCameras(osgViewer::Viewer& viewer)
|
|
|
|
{
|
|
|
|
osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
|
2015-10-22 21:42:19 +08:00
|
|
|
if (!wsi)
|
2008-11-24 22:37:15 +08:00
|
|
|
{
|
|
|
|
osg::notify(osg::NOTICE)<<"Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
|
|
|
|
return;
|
|
|
|
}
|
2015-10-22 21:42:19 +08:00
|
|
|
|
2008-11-24 22:37:15 +08:00
|
|
|
unsigned int width, height;
|
|
|
|
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height);
|
|
|
|
|
2008-11-25 00:02:20 +08:00
|
|
|
|
|
|
|
|
2008-11-24 22:37:15 +08:00
|
|
|
// Not fullscreen
|
|
|
|
width /= 2;
|
|
|
|
height /= 2;
|
|
|
|
|
|
|
|
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
|
|
|
|
traits->x = 100;
|
|
|
|
traits->y = 100;
|
|
|
|
traits->width = width;
|
|
|
|
traits->height = height;
|
|
|
|
traits->windowDecoration = true;
|
|
|
|
traits->doubleBuffer = true;
|
|
|
|
traits->sharedContext = 0;
|
|
|
|
|
|
|
|
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
|
|
|
|
if (gc.valid())
|
|
|
|
{
|
|
|
|
osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<std::endl;
|
|
|
|
|
|
|
|
// need to ensure that the window is cleared make sure that the complete window is set the correct colour
|
|
|
|
// rather than just the parts of the window that are under the camera's viewports
|
|
|
|
gc->setClearColor(osg::Vec4f(0.2f,0.2f,0.6f,1.0f));
|
|
|
|
gc->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
osg::Camera* master = viewer.getCamera();
|
2008-11-25 00:02:20 +08:00
|
|
|
|
|
|
|
// get the default settings for the camera
|
2008-11-24 22:37:15 +08:00
|
|
|
double fovy, aspectRatio, zNear, zFar;
|
|
|
|
master->getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar);
|
|
|
|
|
2008-11-25 00:02:20 +08:00
|
|
|
// reset this for the actual apsect ratio of out created window
|
|
|
|
double windowAspectRatio = double(width)/double(height);
|
|
|
|
master->setProjectionMatrixAsPerspective(fovy, windowAspectRatio, 1.0, 10000.0);
|
2008-11-24 22:37:15 +08:00
|
|
|
|
|
|
|
master->setName("MasterCam");
|
|
|
|
|
|
|
|
osg::ref_ptr<osg::Camera> camera = new osg::Camera;
|
|
|
|
camera->setCullMask(1);
|
|
|
|
camera->setName("Left");
|
|
|
|
camera->setGraphicsContext(gc.get());
|
|
|
|
camera->setViewport(new osg::Viewport(0, 0, width/2, height));
|
|
|
|
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
|
|
|
|
camera->setDrawBuffer(buffer);
|
|
|
|
camera->setReadBuffer(buffer);
|
2008-11-25 00:02:20 +08:00
|
|
|
viewer.addSlave(camera.get(), osg::Matrixd::scale(1.0,0.5,1.0), osg::Matrixd());
|
2008-11-24 22:37:15 +08:00
|
|
|
|
|
|
|
camera = new osg::Camera;
|
|
|
|
camera->setCullMask(2);
|
|
|
|
camera->setName("Right");
|
|
|
|
camera->setGraphicsContext(gc.get());
|
|
|
|
camera->setViewport(new osg::Viewport(width/2, 0, width/2, height));
|
|
|
|
buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
|
|
|
|
camera->setDrawBuffer(buffer);
|
|
|
|
camera->setReadBuffer(buffer);
|
2008-11-25 00:02:20 +08:00
|
|
|
viewer.addSlave(camera.get(), osg::Matrixd::scale(1.0,0.5,1.0), osg::Matrixd());
|
2008-11-24 22:37:15 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
int main( int argc, char **argv )
|
|
|
|
{
|
|
|
|
// use an ArgumentParser object to manage the program arguments.
|
|
|
|
osg::ArgumentParser arguments(&argc,argv);
|
|
|
|
|
2015-10-22 21:42:19 +08:00
|
|
|
if (argc<2)
|
2008-11-24 22:37:15 +08:00
|
|
|
{
|
|
|
|
std::cout << argv[0] <<": requires filename argument." << std::endl;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
osgViewer::Viewer viewer(arguments);
|
2015-10-22 21:42:19 +08:00
|
|
|
|
2011-06-15 00:54:20 +08:00
|
|
|
std::string outputfile("output.osgt");
|
2008-11-24 22:37:15 +08:00
|
|
|
while (arguments.read("-o",outputfile)) {}
|
|
|
|
|
|
|
|
while (arguments.read("-s")) { viewer.setThreadingModel(osgViewer::Viewer::SingleThreaded); }
|
|
|
|
while (arguments.read("-g")) { viewer.setThreadingModel(osgViewer::Viewer::CullDrawThreadPerContext); }
|
|
|
|
while (arguments.read("-d")) { viewer.setThreadingModel(osgViewer::Viewer::DrawThreadPerContext); }
|
|
|
|
while (arguments.read("-c")) { viewer.setThreadingModel(osgViewer::Viewer::CullThreadPerCameraDrawThreadPerContext); }
|
2015-10-22 21:42:19 +08:00
|
|
|
|
2008-11-24 22:37:15 +08:00
|
|
|
singleWindowSideBySideCameras(viewer);
|
|
|
|
|
|
|
|
viewer.setCameraManipulator( new osgGA::TrackballManipulator() );
|
|
|
|
viewer.addEventHandler(new osgViewer::StatsHandler);
|
|
|
|
viewer.addEventHandler(new osgViewer::ThreadingHandler);
|
|
|
|
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
|
|
|
|
viewer.addEventHandler(new osgViewer::LODScaleHandler());
|
|
|
|
viewer.addEventHandler(new osgGA::StateSetManipulator());
|
|
|
|
|
|
|
|
SwitchDOFVisitor* visit = new SwitchDOFVisitor;
|
|
|
|
viewer.addEventHandler(visit);
|
|
|
|
|
2015-10-22 21:42:19 +08:00
|
|
|
// load the scene.
|
|
|
|
osg::ref_ptr<osg::Node> loadedModel = osgDB::readRefNodeFiles(arguments);
|
|
|
|
if (!loadedModel)
|
2008-11-24 22:37:15 +08:00
|
|
|
{
|
|
|
|
std::cout << argv[0] <<": No data loaded." << std::endl;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
osg::Group* group = new osg::Group;
|
2015-10-22 21:42:19 +08:00
|
|
|
|
2008-11-24 22:37:15 +08:00
|
|
|
osg::Group* group1 = new osg::Group;
|
2015-10-22 21:42:19 +08:00
|
|
|
group1->addChild(loadedModel);
|
2008-11-24 22:37:15 +08:00
|
|
|
group1->setNodeMask(1);
|
|
|
|
|
|
|
|
// Uncomment these lines if you like to compare the loaded model to the resulting model in a merge/diff tool
|
2011-06-15 00:54:20 +08:00
|
|
|
//osgDB::writeNodeFile(*loadedModel.get(), "dummy1.osgt");
|
2008-11-24 22:37:15 +08:00
|
|
|
|
2015-10-22 21:42:19 +08:00
|
|
|
osgDB::writeNodeFile(*loadedModel, outputfile);
|
|
|
|
osg::ref_ptr<osg::Node> convertedModel = osgDB::readRefNodeFile(outputfile);
|
2008-11-24 22:37:15 +08:00
|
|
|
|
|
|
|
osg::Group* group2 = new osg::Group;
|
|
|
|
group2->addChild(convertedModel.get());
|
|
|
|
group2->setNodeMask(2);
|
|
|
|
|
|
|
|
// Activate DOF animations and collect switches
|
|
|
|
loadedModel->accept(*visit);
|
|
|
|
convertedModel->accept(*visit);
|
|
|
|
|
|
|
|
group->addChild(group1);
|
|
|
|
group->addChild(group2);
|
|
|
|
|
|
|
|
viewer.setSceneData(group);
|
|
|
|
|
|
|
|
viewer.setThreadingModel(osgViewer::Viewer::DrawThreadPerContext);
|
|
|
|
viewer.realize();
|
|
|
|
|
|
|
|
viewer.run();
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|