void MovieEventHandler::set(osg::Node* node)
{
_imageStreamList.clear();
if (node)
{
FindImageStreamsVisitor fisv(_imageStreamList);
node->accept(fisv);
}
_imageStreamPlayBackSpeedList.resize(_imageStreamList.size());
}
void MovieEventHandler::set(osg::Node* node)
{
_imageStreamList.clear();
if (node)
{
FindImageStreamsVisitor fisv(_imageStreamList);
node->accept(fisv);
}
}
bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::MOVE):
case(osgGA::GUIEventAdapter::PUSH):
case(osgGA::GUIEventAdapter::RELEASE):
{
if (_trackMouse)
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
osgUtil::LineSegmentIntersector::Intersections intersections;
bool foundIntersection = view==0 ? false :
(nv==0 ? view->computeIntersections(ea, intersections) :
view->computeIntersections(ea, nv->getNodePath(), intersections));
if (foundIntersection)
{
// use the nearest intersection
const osgUtil::LineSegmentIntersector::Intersection& intersection = *(intersections.begin());
osg::Drawable* drawable = intersection.drawable.get();
osg::Geometry* geometry = drawable ? drawable->asGeometry() : 0;
osg::Vec3Array* vertices = geometry ? dynamic_cast<osg::Vec3Array*>(geometry->getVertexArray()) : 0;
if (vertices)
{
// get the vertex indices.
const osgUtil::LineSegmentIntersector::Intersection::IndexList& indices = intersection.indexList;
const osgUtil::LineSegmentIntersector::Intersection::RatioList& ratios = intersection.ratioList;
if (indices.size()==3 && ratios.size()==3)
{
unsigned int i1 = indices[0];
unsigned int i2 = indices[1];
unsigned int i3 = indices[2];
float r1 = ratios[0];
float r2 = ratios[1];
float r3 = ratios[2];
osg::Array* texcoords = (geometry->getNumTexCoordArrays()>0) ? geometry->getTexCoordArray(0) : 0;
osg::Vec2Array* texcoords_Vec2Array = dynamic_cast<osg::Vec2Array*>(texcoords);
if (texcoords_Vec2Array)
{
// we have tex coord array so now we can compute the final tex coord at the point of intersection.
osg::Vec2 tc1 = (*texcoords_Vec2Array)[i1];
osg::Vec2 tc2 = (*texcoords_Vec2Array)[i2];
osg::Vec2 tc3 = (*texcoords_Vec2Array)[i3];
osg::Vec2 tc = tc1*r1 + tc2*r2 + tc3*r3;
osg::notify(osg::NOTICE)<<"We hit tex coords "<<tc<<std::endl;
}
}
else
{
osg::notify(osg::NOTICE)<<"Intersection has insufficient indices to work with";
}
}
}
else
{
osg::notify(osg::NOTICE)<<"No intersection"<<std::endl;
}
}
break;
}
case(osgGA::GUIEventAdapter::KEYDOWN):
{
if (ea.getKey()=='p')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
osg::ImageStream::StreamStatus playToggle = (*itr)->getStatus();
if (playToggle != osg::ImageStream::PLAYING)
{
std::cout<< (*itr).get() << " Play"<<std::endl;
(*itr)->play();
}
else
{
// playing, so pause
std::cout<< (*itr).get() << " Pause"<<std::endl;
(*itr)->pause();
}
}
return true;
}
else if (ea.getKey()=='r')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
std::cout<< (*itr).get() << " Restart"<<std::endl;
(*itr)->rewind();
(*itr)->play();
}
return true;
}
else if (ea.getKey()=='>')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
std::cout<<"Seeking"<<std::endl;
if(_seekIncr > 3) _seekIncr = 0;
double length = (*itr)->getLength();
double t_pos = (length/4.0f)*_seekIncr;
//(*itr)->rewind();
(*itr)->seek(t_pos);
(*itr)->play();
_seekIncr++;
}
return true;
}
else if (ea.getKey()=='L')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
if ( (*itr)->getLoopingMode() == osg::ImageStream::LOOPING)
{
std::cout<< (*itr).get() << " Toggle Looping Off"<<std::endl;
(*itr)->setLoopingMode( osg::ImageStream::NO_LOOPING );
}
else
{
std::cout<< (*itr).get() << " Toggle Looping On"<<std::endl;
(*itr)->setLoopingMode( osg::ImageStream::LOOPING );
}
}
return true;
}
else if (ea.getKey()=='+')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
double tm = (*itr)->getTimeMultiplier();
tm += 0.1;
(*itr)->setTimeMultiplier(tm);
std::cout << (*itr).get() << " Increase speed rate "<< (*itr)->getTimeMultiplier() << std::endl;
}
return true;
}
else if (ea.getKey()=='-')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
double tm = (*itr)->getTimeMultiplier();
tm -= 0.1;
(*itr)->setTimeMultiplier(tm);
std::cout << (*itr).get() << " Decrease speed rate "<< (*itr)->getTimeMultiplier() << std::endl;
}
return true;
}
else if (ea.getKey()=='o')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
std::cout<< (*itr).get() << " Frame rate "<< (*itr)->getFrameRate() <<std::endl;
}
return true;
}
return false;
}
default:
return false;
}
return false;
}
bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::FRAME):
{
double t = ea.getTime();
bool printed(false);
ImageStreamPlayBackSpeedList::iterator fps_itr = _imageStreamPlayBackSpeedList.begin();
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr, ++fps_itr)
{
if (((*itr)->getStatus()==osg::ImageStream::PLAYING) && ((*itr)->data() != (*fps_itr).lastData))
{
ImageStreamPlaybackSpeedData& data(*fps_itr);
double dt = (data.timeStamp > 0) ? t - data.timeStamp : 1/60.0;
data.lastData = (*itr)->data();
data.fps = (*fps_itr).fps * 0.8 + 0.2 * (1/dt);
data.timeStamp = t;
if (t-data.lastOutput > 1)
{
std::cout << data.fps << " ";
data.lastOutput = t;
printed = true;
}
}
}
if (printed)
std::cout << std::endl;
}
break;
case(osgGA::GUIEventAdapter::MOVE):
{
if (_trackMouse)
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
double dt = (*itr)->getLength() * ((1.0+ea.getXnormalized()) / 2.0);
(*itr)->seek(dt);
std::cout << "seeking to " << dt << " length: " <<(*itr)->getLength() << std::endl;
}
}
return false;
}
case(osgGA::GUIEventAdapter::KEYDOWN):
{
if (ea.getKey()=='p')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
if ((*itr)->getStatus()==osg::ImageStream::PLAYING)
{
// playing, so pause
std::cout<<"Pause"<<std::endl;
(*itr)->pause();
}
else
{
// playing, so pause
std::cout<<"Play"<<std::endl;
(*itr)->play();
}
}
return true;
}
else if (ea.getKey()=='r')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
std::cout<<"Restart"<<std::endl;
(*itr)->rewind();
}
return true;
}
else if (ea.getKey()=='L')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
if ( (*itr)->getLoopingMode() == osg::ImageStream::LOOPING)
{
std::cout<<"Toggle Looping Off"<<std::endl;
(*itr)->setLoopingMode( osg::ImageStream::NO_LOOPING );
}
else
{
std::cout<<"Toggle Looping On"<<std::endl;
(*itr)->setLoopingMode( osg::ImageStream::LOOPING );
}
}
return true;
}
else if (ea.getKey() == 'i')
{
setTrackMouse(!_trackMouse);
}
return false;
}
default:
return false;
}
return false;
}
bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYDOWN):
{
if (ea.getKey()=='p')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
if ((*itr)->getStatus()==osg::ImageStream::PLAYING)
{
// playing, so pause
std::cout<<"Pause"<<std::endl;
(*itr)->pause();
}
else
{
// playing, so pause
std::cout<<"Play"<<std::endl;
(*itr)->play();
}
}
return true;
}
else if (ea.getKey()=='r')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
std::cout<<"Restart"<<std::endl;
(*itr)->rewind();
}
return true;
}
else if (ea.getKey()=='L')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
if ( (*itr)->getLoopingMode() == osg::ImageStream::LOOPING)
{
std::cout<<"Toggle Looping Off"<<std::endl;
(*itr)->setLoopingMode( osg::ImageStream::NO_LOOPING );
}
else
{
std::cout<<"Toggle Looping On"<<std::endl;
(*itr)->setLoopingMode( osg::ImageStream::LOOPING );
}
}
return true;
}
return false;
}
default:
return false;
}
return false;
}
