1604 lines
45 KiB
C++
1604 lines
45 KiB
C++
/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
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*
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* This software is open source and may be redistributed and/or modified under
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* the terms of the GNU General Public License (GPL) version 2.0.
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* The full license is in LICENSE.txt file included with this distribution,.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* include LICENSE.txt for more details.
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*/
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#include <osgPresentation/SlideEventHandler>
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#include <osgPresentation/SlideShowConstructor>
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#include <osg/AnimationPath>
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#include <osg/Transform>
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#include <osg/TexEnvCombine>
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#include <osg/LightSource>
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#include <osg/AlphaFunc>
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#include <osg/io_utils>
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#include <osgUtil/TransformCallback>
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#include <osgUtil/GLObjectsVisitor>
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#include <osgDB/WriteFile>
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#include <osgGA/AnimationPathManipulator>
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#include <osgPresentation/AnimationMaterial>
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#include <iostream>
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using namespace osgPresentation;
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static osg::observer_ptr<SlideEventHandler> s_seh;
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SlideEventHandler* SlideEventHandler::instance() { return s_seh.get(); }
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bool JumpData::jump(SlideEventHandler* seh) const
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{
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OSG_INFO<<"Requires jump "<<relativeJump<<", "<<slideNum<<", "<<layerNum<<", "<<slideName<<", "<<layerName<<std::endl;
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int slideNumToUse = slideNum;
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int layerNumToUse = layerNum;
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if (!slideName.empty())
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{
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osg::Switch* presentation = seh->getPresentationSwitch();
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for(unsigned int i=0; i<presentation->getNumChildren(); ++i)
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{
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osg::Node* node = seh->getSlide(i);
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std::string name;
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if (node->getUserValue("name",name) && slideName==name)
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{
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slideNumToUse = i;
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break;
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}
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}
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}
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else if (relativeJump)
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{
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slideNumToUse = seh->getActiveSlide() + slideNum;
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}
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if (!layerName.empty())
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{
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osg::Switch* slide = seh->getSlide(slideNumToUse);
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if (slide)
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{
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unsigned int i;
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for(i=0; i<slide->getNumChildren(); ++i)
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{
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osg::Node* node = slide->getChild(i);
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std::string name;
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if (node->getUserValue("name",name))
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{
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if (layerName==name)
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{
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layerNumToUse = i;
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break;
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}
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}
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}
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if (i==slide->getNumChildren())
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{
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OSG_INFO<<"Could not find layer with "<<layerName<<std::endl;
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}
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}
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else
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{
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OSG_INFO<<"No appropriate Slide found."<<std::endl;
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}
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}
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else if (relativeJump)
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{
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layerNumToUse = seh->getActiveLayer() + layerNum;
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}
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if (slideNumToUse<0) slideNumToUse = 0;
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if (layerNumToUse<0) layerNumToUse = 0;
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OSG_INFO<<" jump to "<<slideNumToUse<<", "<<layerNumToUse<<std::endl;
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return seh->selectSlide(slideNumToUse,layerNumToUse);
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}
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void LayerAttributes::callEnterCallbacks(osg::Node* node)
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{
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OSG_INFO<<"LayerAttributes::callEnterCallbacks("<<node<<")"<<std::endl;
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for(LayerCallbacks::iterator itr = _enterLayerCallbacks.begin();
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itr != _enterLayerCallbacks.end();
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++itr)
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{
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(*(*itr))(node);
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}
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}
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void LayerAttributes::callLeaveCallbacks(osg::Node* node)
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{
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OSG_INFO<<"LayerAttributes::callLeaveCallbacks("<<node<<")"<<std::endl;
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for(LayerCallbacks::iterator itr = _leaveLayerCallbacks.begin();
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itr != _leaveLayerCallbacks.end();
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++itr)
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{
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(*(*itr))(node);
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}
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}
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struct InteractiveImageSequenceOperator : public ObjectOperator
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{
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InteractiveImageSequenceOperator(osg::ImageSequence* imageSequence):
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_imageSequence(imageSequence) {}
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virtual void* ptr() const { return _imageSequence.get(); }
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virtual void enter(SlideEventHandler* seh)
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{
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set(seh);
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// need to pause till the load has been completed.
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}
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virtual void maintain(SlideEventHandler* /*seh*/)
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{
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}
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virtual void leave(SlideEventHandler* /*seh*/)
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{
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}
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virtual void setPause(SlideEventHandler* /*seh*/, bool /*pause*/)
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{
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}
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virtual void reset(SlideEventHandler* seh)
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{
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set(seh);
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}
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void set(SlideEventHandler* /*seh*/)
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{
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//OSG_NOTICE<<"InteractiveImageSequenceOperator::set(..)"<<std::endl;
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}
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osg::ref_ptr<osg::ImageSequence> _imageSequence;
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};
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struct ImageStreamOperator : public ObjectOperator
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{
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ImageStreamOperator(osg::ImageStream* imageStream):
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_imageStream(imageStream),
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_delayTime(0.0),
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_startTime(0.0),
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_stopTime(-1.0),
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_timeOfLastReset(0.0),
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_started(false),
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_stopped(false)
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{
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_imageStream->getUserValue("delay",_delayTime);
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_imageStream->getUserValue("start",_startTime);
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_imageStream->getUserValue("stop",_stopTime);
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}
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virtual void* ptr() const { return _imageStream.get(); }
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virtual void enter(SlideEventHandler* seh)
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{
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OSG_NOTICE<<"enter() : _imageStream->rewind() + play"<<std::endl;
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reset(seh);
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}
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virtual void frame(SlideEventHandler* seh)
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{
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if (_delayTime!=0.0 && !_started && !_stopped)
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{
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double timeSinceLastRest = seh->getReferenceTime()-_timeOfLastReset;
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if (timeSinceLastRest>_delayTime)
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{
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OSG_NOTICE<<"ImageStreamOperator::frame("<<seh->getReferenceTime()<<") calling start"<<std::endl;
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start(seh);
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}
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}
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if (_stopTime>0.0 && _started && !_stopped)
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{
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double timeSinceLastReset = seh->getReferenceTime()-_timeOfLastReset;
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double timeSinceStart = (timeSinceLastReset-_delayTime);
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if ((timeSinceStart+_startTime)>_stopTime)
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{
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OSG_NOTICE<<"ImageStreamOperator::frame("<<seh->getReferenceTime()<<") calling stop"<<std::endl;
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stop(seh);
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}
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}
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}
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virtual void maintain(SlideEventHandler*)
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{
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OSG_NOTICE<<"ImageStreamOperator::maintain()"<<std::endl;
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}
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virtual void leave(SlideEventHandler*)
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{
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OSG_NOTICE<<"leave() : _imageStream->pause()"<<std::endl;
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_imageStream->pause();
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}
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virtual void setPause(SlideEventHandler*, bool pause)
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{
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OSG_INFO<<"_imageStream->setPause("<<pause<<")"<<std::endl;
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if (_started)
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{
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if (pause) _imageStream->pause();
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else _imageStream->play();
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}
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}
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virtual void reset(SlideEventHandler* seh)
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{
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OSG_NOTICE<<"ImageStreamOperator::reset()"<<std::endl;
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_timeOfLastReset = seh->getReferenceTime();
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_stopped = false;
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if (_delayTime==0.0)
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{
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start(seh);
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}
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}
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void start(SlideEventHandler*)
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{
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if (_started) return;
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_started = true;
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_stopped = false;
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if (_startTime!=0.0) _imageStream->seek(_startTime);
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else _imageStream->rewind();
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//_imageStream->setVolume(previousVolume);
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_imageStream->play();
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// add a delay so that movie thread has a chance to do the rewind
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float microSecondsToDelay = SlideEventHandler::instance()->getTimeDelayOnNewSlideWithMovies() * 1000000.0f;
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OpenThreads::Thread::microSleep(static_cast<unsigned int>(microSecondsToDelay));
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}
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void stop(SlideEventHandler* /*seh*/)
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{
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if (!_started) return;
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_started = false;
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_stopped = true;
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_imageStream->pause();
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}
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osg::ref_ptr<osg::ImageStream> _imageStream;
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double _delayTime;
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double _startTime;
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double _stopTime;
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double _timeOfLastReset;
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bool _started;
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bool _stopped;
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};
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struct CallbackOperator : public ObjectOperator
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{
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CallbackOperator(osg::Node* node, osg::Referenced* callback):
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_node(node),
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_callback(callback) {}
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virtual void* ptr() const { return _callback.get(); }
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virtual void enter(SlideEventHandler* seh)
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{
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reset(seh);
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}
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virtual void maintain(SlideEventHandler*)
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{
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}
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virtual void leave(SlideEventHandler*)
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{
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}
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virtual void setPause(SlideEventHandler*, bool pause)
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{
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osg::NodeCallback* nc = dynamic_cast<osg::NodeCallback*>(_callback.get());
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osg::AnimationPathCallback* apc = dynamic_cast<osg::AnimationPathCallback*>(_callback.get());
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osgUtil::TransformCallback* tc = dynamic_cast<osgUtil::TransformCallback*>(_callback.get());
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AnimationMaterialCallback* amc = dynamic_cast<AnimationMaterialCallback*>(_callback.get());
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PropertyAnimation* pa = dynamic_cast<PropertyAnimation*>(_callback.get());
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if (apc)
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{
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OSG_INFO<<"apc->setPause("<<pause<<")"<<std::endl;
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apc->setPause(pause);
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}
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else if (tc)
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{
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OSG_INFO<<"tc->setPause("<<pause<<")"<<std::endl;
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tc->setPause(pause);
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}
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else if (amc)
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{
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OSG_INFO<<"amc->setPause("<<pause<<")"<<std::endl;
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amc->setPause(pause);
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}
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else if (pa)
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{
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pa->setPause(pause);
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}
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else if (nc)
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{
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OSG_NOTICE<<"Need to pause callback : "<<nc->className()<<std::endl;
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}
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}
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virtual void reset(SlideEventHandler*)
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{
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osg::NodeCallback* nc = dynamic_cast<osg::NodeCallback*>(_callback.get());
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osg::AnimationPathCallback* apc = dynamic_cast<osg::AnimationPathCallback*>(_callback.get());
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osgUtil::TransformCallback* tc = dynamic_cast<osgUtil::TransformCallback*>(_callback.get());
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AnimationMaterialCallback* amc = dynamic_cast<AnimationMaterialCallback*>(_callback.get());
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PropertyAnimation* pa = dynamic_cast<PropertyAnimation*>(_callback.get());
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if (apc)
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{
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apc->reset();
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apc->update(*_node);
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}
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else if (tc)
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{
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}
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else if (amc)
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{
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amc->reset();
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amc->update(*_node);
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}
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else if (pa)
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{
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pa->reset();
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pa->update(*_node);
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}
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else
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{
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OSG_NOTICE<<"Need to reset callback : "<<nc->className()<<std::endl;
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}
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}
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osg::ref_ptr<osg::Node> _node;
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osg::ref_ptr<osg::Referenced> _callback;
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};
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struct LayerAttributesOperator : public ObjectOperator
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{
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LayerAttributesOperator(osg::Node* node, LayerAttributes* la):
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_node(node),
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_layerAttribute(la)
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{
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}
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virtual void* ptr() const { return _layerAttribute.get(); }
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virtual void enter(SlideEventHandler*)
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{
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_layerAttribute->callEnterCallbacks(_node.get());
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if (!_layerAttribute->_keys.empty())
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{
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OSG_INFO<<"applyKeys {"<<std::endl;
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for(LayerAttributes::Keys::iterator itr = _layerAttribute->_keys.begin();
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itr != _layerAttribute->_keys.end();
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++itr)
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{
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SlideEventHandler::instance()->dispatchEvent(*itr);
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}
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OSG_INFO<<"}"<<std::endl;
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}
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if (!_layerAttribute->_runStrings.empty())
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{
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for(LayerAttributes::RunStrings::iterator itr = _layerAttribute->_runStrings.begin();
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itr != _layerAttribute->_runStrings.end();
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++itr)
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{
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OSG_NOTICE<<"Run "<<itr->c_str()<<std::endl;
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osg::Timer_t startTick = osg::Timer::instance()->tick();
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int result = system(itr->c_str());
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OSG_INFO<<"system("<<*itr<<") result "<<result<<std::endl;
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double timeForRun = osg::Timer::instance()->delta_s(startTick, osg::Timer::instance()->tick());
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osgGA::EventQueue* eq = SlideEventHandler::instance()->getViewer()->getEventQueue();
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if (eq)
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{
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osg::Timer_t new_startTick = eq->getStartTick() + osg::Timer_t(timeForRun / osg::Timer::instance()->getSecondsPerTick());
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eq->setStartTick(new_startTick);
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}
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}
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}
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}
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virtual void maintain(SlideEventHandler*)
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{
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}
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virtual void leave(SlideEventHandler*)
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{
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OSG_INFO<<"LayerAttribute leave"<<std::endl;
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_layerAttribute->callLeaveCallbacks(_node.get());
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}
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virtual void setPause(SlideEventHandler*, bool /*pause*/)
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{
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}
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virtual void reset(SlideEventHandler*)
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{
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}
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osg::ref_ptr<osg::Node> _node;
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osg::ref_ptr<LayerAttributes> _layerAttribute;
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};
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class FindOperatorsVisitor : public osg::NodeVisitor
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{
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public:
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FindOperatorsVisitor(ActiveOperators::OperatorList& operatorList, osg::NodeVisitor::TraversalMode tm):
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osg::NodeVisitor(tm),
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_operatorList(operatorList) {}
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META_NodeVisitor(osgPresentation, FindOperatorsVisitor)
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void apply(osg::Node& node)
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{
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if (node.getStateSet()) process(node.getStateSet());
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if (node.getUpdateCallback())
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{
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_operatorList.insert(new CallbackOperator(&node, node.getUpdateCallback()));
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}
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LayerAttributes* la = dynamic_cast<LayerAttributes*>(node.getUserData());
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if (la)
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{
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if ((_objectsHandled[la]++)==0)
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{
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OSG_NOTICE<<"LayerAttributeOperator for "<<la<<" required, assigning one."<<std::endl;
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_operatorList.insert(new LayerAttributesOperator(&node, la));
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}
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else
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{
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OSG_NOTICE<<"LayerAttributeOperator for "<<la<<" not required, as one already assigned."<<std::endl;
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}
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}
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traverse(node);
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}
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void apply(osg::Geode& node)
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{
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apply((osg::Node&)node);
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for(unsigned int i=0;i<node.getNumDrawables();++i)
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{
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osg::Drawable* drawable = node.getDrawable(i);
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if (drawable->getStateSet()) process(drawable->getStateSet());
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}
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}
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virtual void process(osg::StateSet* ss)
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{
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for(unsigned int i=0;i<ss->getTextureAttributeList().size();++i)
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{
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osg::Texture* texture = dynamic_cast<osg::Texture*>(ss->getTextureAttribute(i,osg::StateAttribute::TEXTURE));
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osg::Image* image = texture ? texture->getImage(0) : 0;
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osg::ImageSequence* imageSequence = dynamic_cast<osg::ImageSequence*>(image);
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osg::ImageStream* imageStream = dynamic_cast<osg::ImageStream*>(image);
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if (imageSequence && imageSequence->getName()=="USE_MOUSE_X_POSITION")
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{
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if ((_objectsHandled[image]++)==0)
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{
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OSG_INFO<<"ImageSequenceOperator for"<<imageSequence<<" required, assigning one, name = '"<<image->getName()<<"'"<<std::endl;
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_operatorList.insert(new InteractiveImageSequenceOperator(imageSequence));
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}
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else
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{
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OSG_INFO<<"ImageSequenceOperator for"<<imageSequence<<" not required, as one already assigned"<<std::endl;
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}
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}
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else if (imageStream)
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{
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if ((_objectsHandled[image]++)==0)
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{
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OSG_INFO<<"ImageStreamOperator for"<<imageStream<<" required, assigning one"<<std::endl;
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_operatorList.insert(new ImageStreamOperator(imageStream));
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}
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else
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{
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OSG_INFO<<"ImageStreamOperator for"<<imageStream<<" not required, as one already assigned"<<std::endl;
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}
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}
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}
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}
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typedef std::map<osg::Referenced*,unsigned int> ObjectsHandled;
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ObjectsHandled _objectsHandled;
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ActiveOperators::OperatorList& _operatorList;
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};
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ActiveOperators::ActiveOperators():
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_pause(false)
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{
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}
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ActiveOperators::~ActiveOperators()
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{
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}
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void ActiveOperators::collect(osg::Node* incommingNode, osg::NodeVisitor::TraversalMode tm)
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{
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_previous.swap(_current);
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|
|
_current.clear();
|
|
|
|
FindOperatorsVisitor fov(_current, tm);
|
|
|
|
if (incommingNode)
|
|
{
|
|
incommingNode->accept(fov);
|
|
}
|
|
else
|
|
{
|
|
OSG_NOTICE<<"ActiveOperators::collect() incommingNode="<<incommingNode<<std::endl;
|
|
}
|
|
|
|
OSG_INFO<<"ActiveOperators::collect("<<incommingNode<<")"<<std::endl;
|
|
OSG_INFO<<" _previous.size()="<<_previous.size()<<std::endl;
|
|
OSG_INFO<<" _current.size()="<<_current.size()<<std::endl;
|
|
|
|
_outgoing.clear();
|
|
_incomming.clear();
|
|
_maintained.clear();
|
|
|
|
for(OperatorList::iterator itr = _previous.begin();
|
|
itr != _previous.end();
|
|
++itr)
|
|
{
|
|
ObjectOperator* prev = itr->get();
|
|
if (_current.count(prev)==0) _outgoing.insert(prev);
|
|
else _maintained.insert(prev);
|
|
}
|
|
|
|
for(OperatorList::iterator itr = _current.begin();
|
|
itr != _current.end();
|
|
++itr)
|
|
{
|
|
ObjectOperator* curr = itr->get();
|
|
if (_previous.count(curr)==0) _incomming.insert(curr);
|
|
}
|
|
}
|
|
|
|
void ActiveOperators::frame(SlideEventHandler* seh)
|
|
{
|
|
for(OperatorList::iterator itr = _current.begin();
|
|
itr != _current.end();
|
|
++itr)
|
|
{
|
|
(*itr)->frame(seh);
|
|
}
|
|
}
|
|
|
|
void ActiveOperators::setPause(SlideEventHandler* seh, bool pause)
|
|
{
|
|
_pause = pause;
|
|
for(OperatorList::iterator itr = _current.begin();
|
|
itr != _current.end();
|
|
++itr)
|
|
{
|
|
(*itr)->setPause(seh, _pause);
|
|
}
|
|
}
|
|
|
|
|
|
void ActiveOperators::reset(SlideEventHandler* seh)
|
|
{
|
|
for(OperatorList::iterator itr = _current.begin();
|
|
itr != _current.end();
|
|
++itr)
|
|
{
|
|
(*itr)->reset(seh);
|
|
}
|
|
}
|
|
|
|
void ActiveOperators::process(SlideEventHandler* seh)
|
|
{
|
|
processOutgoing(seh);
|
|
processMaintained(seh);
|
|
processIncomming(seh);
|
|
}
|
|
|
|
void ActiveOperators::processOutgoing(SlideEventHandler* seh)
|
|
{
|
|
OSG_INFO<<" outgoing.size()="<<_outgoing.size()<<std::endl;
|
|
for(OperatorList::iterator itr = _outgoing.begin();
|
|
itr != _outgoing.end();
|
|
++itr)
|
|
{
|
|
(*itr)->leave(seh);
|
|
}
|
|
}
|
|
|
|
void ActiveOperators::processMaintained(SlideEventHandler* seh)
|
|
{
|
|
OSG_INFO<<" maintained.size()="<<_maintained.size()<<std::endl;
|
|
for(OperatorList::iterator itr = _maintained.begin();
|
|
itr != _maintained.end();
|
|
++itr)
|
|
{
|
|
(*itr)->maintain(seh);
|
|
}
|
|
}
|
|
|
|
void ActiveOperators::processIncomming(SlideEventHandler* seh)
|
|
{
|
|
OSG_INFO<<" incomming.size()="<<_incomming.size()<<std::endl;
|
|
for(OperatorList::iterator itr = _incomming.begin();
|
|
itr != _incomming.end();
|
|
++itr)
|
|
{
|
|
(*itr)->enter(seh);
|
|
(*itr)->setPause(seh, _pause);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
class FindHomePositionVisitor : public osg::NodeVisitor
|
|
{
|
|
public:
|
|
|
|
FindHomePositionVisitor():
|
|
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN) {}
|
|
|
|
void apply(osg::Node& node)
|
|
{
|
|
HomePosition* homePosition = dynamic_cast<HomePosition*>(node.getUserData());
|
|
if (homePosition)
|
|
{
|
|
_homePosition = homePosition;
|
|
}
|
|
|
|
traverse(node);
|
|
}
|
|
|
|
osg::ref_ptr<HomePosition> _homePosition;
|
|
|
|
};
|
|
|
|
class FindNamedSwitchVisitor : public osg::NodeVisitor
|
|
{
|
|
public:
|
|
|
|
FindNamedSwitchVisitor(const std::string& name):
|
|
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
|
|
_name(name),
|
|
_switch(0) {}
|
|
|
|
void apply(osg::Switch& sw)
|
|
{
|
|
if (sw.getName().find(_name)!=std::string::npos)
|
|
{
|
|
_switch = &sw;
|
|
return; // note, no need to do traverse now we've located the relevant switch
|
|
}
|
|
|
|
traverse(sw);
|
|
}
|
|
|
|
std::string _name;
|
|
osg::Switch* _switch;
|
|
|
|
};
|
|
|
|
|
|
class FindFilePathDataVisitor : public osg::NodeVisitor
|
|
{
|
|
public:
|
|
|
|
FindFilePathDataVisitor():
|
|
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN) {}
|
|
|
|
void apply(osg::Node& node)
|
|
{
|
|
FilePathData* fdd = dynamic_cast<FilePathData*>(node.getUserData());
|
|
if (fdd)
|
|
{
|
|
OSG_INFO<<"Recorded FilePathData"<<std::endl;
|
|
osgDB::setDataFilePathList(fdd->filePathList);
|
|
}
|
|
|
|
traverse(node);
|
|
}
|
|
|
|
};
|
|
|
|
class UpdateLightVisitor : public osg::NodeVisitor
|
|
{
|
|
public:
|
|
|
|
UpdateLightVisitor(const osg::Matrixd& viewMatrix, float currentX, float currentY):
|
|
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN),
|
|
_viewMatrix(viewMatrix),
|
|
_currentX(currentX), _currentY(currentY) {}
|
|
|
|
void apply(osg::Node& node)
|
|
{
|
|
traverse(node);
|
|
}
|
|
|
|
void apply(osg::LightSource& lightsource)
|
|
{
|
|
if (lightsource.getLight())
|
|
{
|
|
if (lightsource.getReferenceFrame()==osg::LightSource::RELATIVE_RF)
|
|
{
|
|
apply( osg::Matrix::identity(), lightsource.getLight());
|
|
}
|
|
else
|
|
{
|
|
apply(osg::computeEyeToLocal(_viewMatrix,_nodePath), lightsource.getLight());
|
|
}
|
|
}
|
|
|
|
traverse(lightsource);
|
|
}
|
|
|
|
void apply(const osg::Matrixd& matrix, osg::Light* light)
|
|
{
|
|
// compute direction of light based on a projecting onto a hemi-sphere.
|
|
float sum_x2_y2 = _currentX*_currentX + _currentY*_currentY;
|
|
osg::Vec3 direction;
|
|
if (sum_x2_y2<1.0) direction.set(_currentX, _currentY, sqrtf(1.0-sum_x2_y2));
|
|
else direction.set(_currentX, _currentY, 0.0);
|
|
|
|
direction.normalize();
|
|
|
|
direction = osg::Matrixd::transform3x3(matrix, direction);
|
|
direction.normalize();
|
|
|
|
light->setPosition(osg::Vec4(direction,0.0f));
|
|
}
|
|
|
|
osg::Matrixd _viewMatrix;
|
|
float _currentX, _currentY;
|
|
|
|
};
|
|
|
|
class UpdateAlphaVisitor : public osg::NodeVisitor
|
|
{
|
|
public:
|
|
|
|
UpdateAlphaVisitor(bool modAlphaFunc, bool modMaterial, float currentX, float currentY):
|
|
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN),
|
|
_modAlphaFunc(modAlphaFunc), _modMaterial(modMaterial),
|
|
_currentX(currentX), _currentY(currentY) {}
|
|
|
|
void apply(osg::Node& node)
|
|
{
|
|
if (node.getStateSet()) apply(*node.getStateSet());
|
|
traverse(node);
|
|
}
|
|
|
|
void apply(osg::StateSet& stateset)
|
|
{
|
|
if (_modAlphaFunc)
|
|
{
|
|
osg::AlphaFunc* alphaFunc = dynamic_cast<osg::AlphaFunc*>(stateset.getAttribute(osg::StateAttribute::ALPHAFUNC));
|
|
if (alphaFunc)
|
|
{
|
|
OSG_INFO<<"Adjusting alpha func"<<std::endl;
|
|
|
|
float alpha = alphaFunc->getReferenceValue();
|
|
alpha = osg::clampBetween((1.0f-_currentY)*0.5f,0.0f,1.0f);
|
|
|
|
alphaFunc->setReferenceValue(alpha);
|
|
}
|
|
}
|
|
|
|
if (_modMaterial)
|
|
{
|
|
osg::Material* material = dynamic_cast<osg::Material*>(stateset.getAttribute(osg::StateAttribute::MATERIAL));
|
|
if (material)
|
|
{
|
|
OSG_INFO<<"Adjusting material func"<<std::endl;
|
|
float alpha = osg::clampBetween((_currentY+1.0f)*0.5f,0.0f,1.0f);
|
|
material->setAlpha(osg::Material::FRONT_AND_BACK,alpha);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool _modAlphaFunc, _modMaterial;
|
|
float _currentX, _currentY;
|
|
|
|
};
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// SlideEventHandler
|
|
//
|
|
SlideEventHandler::SlideEventHandler(osgViewer::Viewer* viewer):
|
|
_viewer(viewer),
|
|
_presentationSwitch(0),
|
|
_activeSlide(0),
|
|
_slideSwitch(0),
|
|
_activeLayer(0),
|
|
_firstTraversal(true),
|
|
_referenceTime(-1.0),
|
|
_previousTime(-1.0),
|
|
_timePerSlide(1.0),
|
|
_autoSteppingActive(false),
|
|
_loopPresentation(false),
|
|
_pause(false),
|
|
_hold(false),
|
|
_updateLightActive(false),
|
|
_updateOpacityActive(false),
|
|
_previousX(0), _previousY(0),
|
|
_cursorOn(true),
|
|
_releaseAndCompileOnEachNewSlide(false),
|
|
_firstSlideOrLayerChange(true),
|
|
_tickAtFirstSlideOrLayerChange(0),
|
|
_tickAtLastSlideOrLayerChange(0),
|
|
_timeDelayOnNewSlideWithMovies(0.25f),
|
|
_minimumTimeBetweenKeyPresses(0.25),
|
|
_timeLastKeyPresses(-1.0),
|
|
_requestReload(false)
|
|
{
|
|
s_seh = this;
|
|
}
|
|
|
|
double SlideEventHandler::getDuration(const osg::Node* node) const
|
|
{
|
|
const LayerAttributes* la = dynamic_cast<const LayerAttributes*>(node->getUserData());
|
|
return la ? la->_duration : -1.0;
|
|
}
|
|
|
|
void SlideEventHandler::set(osg::Node* model)
|
|
{
|
|
#if 0
|
|
// pause all slides, then just reenable the current slide.
|
|
ActivityUpdateCallbacksVisitor aucv(ALL_OBJECTS, true);
|
|
aucv.setTraversalMode(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN);
|
|
model->accept(aucv);
|
|
#endif
|
|
_firstSlideOrLayerChange = true;
|
|
_tickAtFirstSlideOrLayerChange = 0;
|
|
_tickAtLastSlideOrLayerChange = 0;
|
|
_timeLastKeyPresses = -1;
|
|
|
|
ActiveOperators operators;
|
|
operators.collect(model, osg::NodeVisitor::TRAVERSE_ALL_CHILDREN);
|
|
operators.setPause(this, true);
|
|
|
|
FindNamedSwitchVisitor findPresentation("Presentation");
|
|
model->accept(findPresentation);
|
|
|
|
if (findPresentation._switch)
|
|
{
|
|
OSG_INFO<<"Presentation '"<<model->getName()<<"'"<<std::endl;
|
|
_presentationSwitch = findPresentation._switch;
|
|
|
|
double duration = getDuration(_presentationSwitch.get());
|
|
if (duration>=0.0)
|
|
{
|
|
OSG_INFO<<"Presentation time set to "<<duration<<std::endl;
|
|
_timePerSlide = duration;
|
|
}
|
|
|
|
//selectSlide(0);
|
|
}
|
|
else
|
|
{
|
|
OSG_INFO<<"No presentation present in scene."<<std::endl;
|
|
|
|
_presentationSwitch = 0;
|
|
_activeSlide = 0;
|
|
|
|
FindNamedSwitchVisitor findSlide("Slide");
|
|
model->accept(findSlide);
|
|
|
|
if (findSlide._switch)
|
|
{
|
|
OSG_INFO<<"Found presentation slide"<<findSlide._switch->getName()<<std::endl;
|
|
|
|
_slideSwitch = findSlide._switch;
|
|
//selectLayer(0);
|
|
}
|
|
else
|
|
{
|
|
OSG_INFO<<"No slides present in scene, unable to operate as a slideshow."<<std::endl;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
double SlideEventHandler::getCurrentTimeDelayBetweenSlides() const
|
|
{
|
|
if (_slideSwitch.valid())
|
|
{
|
|
double duration = -1.0;
|
|
if (_activeLayer<static_cast<int>(_slideSwitch->getNumChildren()))
|
|
{
|
|
duration = getDuration(_slideSwitch->getChild(_activeLayer));
|
|
}
|
|
|
|
if (duration < 0.0)
|
|
{
|
|
duration = getDuration(_slideSwitch.get());
|
|
}
|
|
|
|
if (duration >=0 )
|
|
{
|
|
return duration;
|
|
}
|
|
}
|
|
|
|
return _timePerSlide;
|
|
}
|
|
|
|
void SlideEventHandler::operator()(osg::Node* node, osg::NodeVisitor* nv)
|
|
{
|
|
osgGA::EventVisitor* ev = dynamic_cast<osgGA::EventVisitor*>(nv);
|
|
if (ev)
|
|
{
|
|
if (node->getNumChildrenRequiringEventTraversal()>0) traverse(node,nv);
|
|
|
|
if (ev->getActionAdapter() && !ev->getEvents().empty())
|
|
{
|
|
for(osgGA::EventQueue::Events::iterator itr = ev->getEvents().begin();
|
|
itr != ev->getEvents().end();
|
|
++itr)
|
|
{
|
|
handleWithCheckAgainstIgnoreHandledEventsMask(*(*itr), *(ev->getActionAdapter()), node, nv);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool SlideEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa)
|
|
{
|
|
|
|
if (!_viewer)
|
|
{
|
|
_viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
|
|
selectSlide(0);
|
|
home();
|
|
OSG_NOTICE<<"Assigned viewer. to SlideEventHandler"<<std::endl;
|
|
}
|
|
//else OSG_NOTICE<<"SlideEventHandler::handle() "<<ea.getTime()<<std::endl;
|
|
|
|
if (ea.getHandled()) return false;
|
|
|
|
_referenceTime = ea.getTime();
|
|
|
|
switch(ea.getEventType())
|
|
{
|
|
case(osgGA::GUIEventAdapter::FRAME):
|
|
{
|
|
if (_autoSteppingActive && !_pause)
|
|
{
|
|
double time = ea.time();
|
|
|
|
if (_firstTraversal)
|
|
{
|
|
_firstTraversal = false;
|
|
_previousTime = time;
|
|
}
|
|
else if (time-_previousTime>=getCurrentTimeDelayBetweenSlides())
|
|
{
|
|
// _previousTime = time;
|
|
|
|
if (!_hold)
|
|
{
|
|
// increment the previous by the required time delay, note relative to the current
|
|
// to keep the time relative to an absolute time signal, thus avoid drift of timing.
|
|
_previousTime += getCurrentTimeDelayBetweenSlides();
|
|
|
|
nextLayerOrSlide();
|
|
}
|
|
else
|
|
{
|
|
// we're holding of the move to next layer to slide, but we need slip the time forward accordingly
|
|
// componensate for the extra time that this frame is recieving.
|
|
_previousTime = time-getCurrentTimeDelayBetweenSlides();
|
|
}
|
|
}
|
|
}
|
|
_activeOperators.frame(this);
|
|
|
|
return false;
|
|
}
|
|
|
|
case(osgGA::GUIEventAdapter::KEYDOWN):
|
|
{
|
|
double time = ea.time();
|
|
double deltaTime = time - _timeLastKeyPresses;
|
|
if (deltaTime < _minimumTimeBetweenKeyPresses)
|
|
{
|
|
break;
|
|
}
|
|
|
|
_timeLastKeyPresses = time;
|
|
|
|
if (ea.getKey()=='g')
|
|
{
|
|
if (!_autoSteppingActive)
|
|
{
|
|
_autoSteppingActive = true;
|
|
_previousTime = ea.time();
|
|
}
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='h')
|
|
{
|
|
if (_autoSteppingActive)
|
|
{
|
|
_autoSteppingActive = false;
|
|
_previousTime = ea.time();
|
|
}
|
|
return true;
|
|
}
|
|
else if (ea.getKey()==osgGA::GUIEventAdapter::KEY_Home ||
|
|
ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Home)
|
|
{
|
|
_autoSteppingActive = false;
|
|
selectSlide(0);
|
|
home(ea,aa);
|
|
return true;
|
|
}
|
|
else if (ea.getKey()==osgGA::GUIEventAdapter::KEY_End ||
|
|
ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_End)
|
|
{
|
|
_autoSteppingActive = false;
|
|
selectSlide(LAST_POSITION,LAST_POSITION);
|
|
home(ea,aa);
|
|
return true;
|
|
}
|
|
else if (ea.getKey()==osgGA::GUIEventAdapter::KEY_Down ||
|
|
ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Down)
|
|
{
|
|
_autoSteppingActive = false;
|
|
nextLayer();
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='n')
|
|
{
|
|
_autoSteppingActive = false;
|
|
nextLayerOrSlide();
|
|
return true;
|
|
}
|
|
else if (ea.getKey()==osgGA::GUIEventAdapter::KEY_Up ||
|
|
ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Up)
|
|
{
|
|
_autoSteppingActive = false;
|
|
previousLayer();
|
|
return true;
|
|
}
|
|
else if (ea.getKey()==osgGA::GUIEventAdapter::KEY_Page_Down ||
|
|
ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Page_Down)
|
|
{
|
|
_autoSteppingActive = false;
|
|
nextLayerOrSlide();
|
|
return true;
|
|
}
|
|
else if (ea.getKey()==osgGA::GUIEventAdapter::KEY_Page_Up ||
|
|
ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Page_Up)
|
|
{
|
|
_autoSteppingActive = false;
|
|
previousLayerOrSlide();
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='N' ||
|
|
ea.getKey()==osgGA::GUIEventAdapter::KEY_Right ||
|
|
ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Right)
|
|
{
|
|
_autoSteppingActive = false;
|
|
nextSlide();
|
|
home(ea,aa);
|
|
return true;
|
|
}
|
|
else if (ea.getKey()==osgGA::GUIEventAdapter::KEY_Left ||
|
|
ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Left)
|
|
{
|
|
_autoSteppingActive = false;
|
|
previousSlide();
|
|
home(ea,aa);
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='p')
|
|
{
|
|
if (!_pause)
|
|
{
|
|
_pause = true;
|
|
#if 0
|
|
resetUpdateCallbackActivity(ALL_OBJECTS);
|
|
#endif
|
|
_activeOperators.setPause(this, _pause);
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
else if (ea.getKey()=='o')
|
|
{
|
|
if (_pause)
|
|
{
|
|
_pause = false;
|
|
#if 0
|
|
resetUpdateCallbackActivity(ALL_OBJECTS);
|
|
#endif
|
|
_activeOperators.setPause(this, _pause);
|
|
}
|
|
return true;
|
|
|
|
}
|
|
else if (ea.getKey()=='h')
|
|
{
|
|
_hold = true;
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='r')
|
|
{
|
|
#if 0
|
|
resetUpdateCallbacks(ALL_OBJECTS);
|
|
#endif
|
|
_activeOperators.reset(this);
|
|
return true;
|
|
}
|
|
/*
|
|
else if (ea.getKey()=='c')
|
|
{
|
|
_cursorOn = !_cursorOn;
|
|
|
|
for( unsigned int i = 0; i < _viewer->getCameraConfig()->getNumberOfCameras(); i++ )
|
|
{
|
|
Producer::Camera* cam = _viewer->getCameraConfig()->getCamera(i);
|
|
Producer::RenderSurface* rs = cam->getRenderSurface();
|
|
rs->useCursor(_cursorOn);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
*/
|
|
else if (ea.getKey()=='u')
|
|
{
|
|
updateAlpha(true,false,ea.getXnormalized(),ea.getYnormalized());
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='i')
|
|
{
|
|
updateAlpha(false,true,ea.getXnormalized(),ea.getYnormalized());
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='k')
|
|
{
|
|
updateLight(ea.getXnormalized(),ea.getYnormalized());
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
case(osgGA::GUIEventAdapter::KEYUP):
|
|
{
|
|
if (ea.getKey()=='h')
|
|
{
|
|
_hold = false;
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='u')
|
|
{
|
|
setRequestReload(true);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
default:
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void SlideEventHandler::getUsage(osg::ApplicationUsage& usage) const
|
|
{
|
|
usage.addKeyboardMouseBinding("a","Toggle on/off the automatic advancement for image to image");
|
|
usage.addKeyboardMouseBinding("n","Advance to next layer or slide");
|
|
usage.addKeyboardMouseBinding("p","Move to previous layer or slide");
|
|
}
|
|
|
|
unsigned int SlideEventHandler::getNumSlides()
|
|
{
|
|
if (_presentationSwitch.valid()) return _presentationSwitch->getNumChildren();
|
|
else return 0;
|
|
}
|
|
|
|
osg::Switch* SlideEventHandler::getSlide(int slideNum)
|
|
{
|
|
if (slideNum<0 || slideNum>static_cast<int>(_presentationSwitch->getNumChildren())) return 0;
|
|
|
|
FindNamedSwitchVisitor findSlide("Slide");
|
|
_presentationSwitch->getChild(slideNum)->accept(findSlide);
|
|
return findSlide._switch;
|
|
}
|
|
|
|
osg::Node* SlideEventHandler::getLayer(int slideNum, int layerNum)
|
|
{
|
|
osg::Switch* slide = getSlide(slideNum);
|
|
return (slide && (layerNum>=0 && layerNum<static_cast<int>(slide->getNumChildren()))) ? slide->getChild(layerNum) : 0;
|
|
}
|
|
|
|
|
|
bool SlideEventHandler::selectSlide(int slideNum,int layerNum)
|
|
{
|
|
if (!_presentationSwitch) return false;
|
|
|
|
OSG_INFO<<"selectSlide("<<slideNum<<","<<layerNum<<")"<<std::endl;
|
|
|
|
if (slideNum>=static_cast<int>(_presentationSwitch->getNumChildren()))
|
|
{
|
|
slideNum = LAST_POSITION;
|
|
}
|
|
|
|
if (slideNum==LAST_POSITION && _presentationSwitch->getNumChildren()>0)
|
|
{
|
|
slideNum = _presentationSwitch->getNumChildren()-1;
|
|
}
|
|
|
|
if (slideNum>=static_cast<int>(_presentationSwitch->getNumChildren())) return false;
|
|
|
|
|
|
osg::Timer_t tick = osg::Timer::instance()->tick();
|
|
|
|
if (_firstSlideOrLayerChange)
|
|
{
|
|
_firstSlideOrLayerChange = false;
|
|
_tickAtFirstSlideOrLayerChange = tick;
|
|
_tickAtLastSlideOrLayerChange = tick;
|
|
}
|
|
|
|
OSG_INFO<<"selectSlide("<<slideNum<<","<<layerNum<<") at time "<<osg::Timer::instance()->delta_s(_tickAtFirstSlideOrLayerChange, tick)<<" seconds, length ="<<osg::Timer::instance()->delta_s(_tickAtLastSlideOrLayerChange, tick)<<" seconds"<<std::endl;
|
|
|
|
_tickAtLastSlideOrLayerChange = tick;
|
|
|
|
// dectivate movies etc on current active slide.
|
|
bool newSlide = _activeSlide!=slideNum;
|
|
if (newSlide)
|
|
{
|
|
if (_releaseAndCompileOnEachNewSlide)
|
|
{
|
|
releaseSlide(_activeSlide);
|
|
}
|
|
}
|
|
|
|
_activeSlide = slideNum;
|
|
_presentationSwitch->setSingleChildOn(_activeSlide);
|
|
|
|
//OSG_INFO<<"Selected slide '"<<_presentationSwitch->getChild(_activeSlide)->getName()<<"'"<<std::endl;
|
|
|
|
|
|
FindNamedSwitchVisitor findSlide("Slide");
|
|
_presentationSwitch->getChild(_activeSlide)->accept(findSlide);
|
|
|
|
bool result = false;
|
|
if (findSlide._switch)
|
|
{
|
|
//OSG_INFO<<"Found slide '"<<findSlide._switch->getName()<<"'"<<std::endl;
|
|
_slideSwitch = findSlide._switch;
|
|
|
|
result = selectLayer(layerNum);
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
//OSG_INFO<<"Not found slide"<<std::endl;
|
|
updateOperators();
|
|
}
|
|
|
|
|
|
// refersh the viewer.
|
|
//_viewer->getKeySwitchMatrixManipulator()->setMinimumDistance(0.001);
|
|
|
|
if (_viewer->getCameraManipulator())
|
|
{
|
|
_viewer->getCameraManipulator()->setNode(_slideSwitch.get());
|
|
|
|
_viewer->computeActiveCoordinateSystemNodePath();
|
|
}
|
|
|
|
// resetUpdateCallbacks(ALL_OBJECTS);
|
|
|
|
bool _useSlideFilePaths = false;
|
|
if (_useSlideFilePaths)
|
|
{
|
|
// set up the file paths
|
|
FindFilePathDataVisitor ffpdv;
|
|
_presentationSwitch->accept(ffpdv);
|
|
}
|
|
|
|
if (newSlide && _releaseAndCompileOnEachNewSlide)
|
|
{
|
|
compileSlide(slideNum);
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
bool SlideEventHandler::selectLayer(int layerNum)
|
|
{
|
|
if (!_slideSwitch) return false;
|
|
|
|
bool withinSlide = true;
|
|
|
|
if (layerNum>=static_cast<int>(_slideSwitch->getNumChildren()))
|
|
{
|
|
withinSlide = false;
|
|
layerNum = LAST_POSITION;
|
|
}
|
|
|
|
if (layerNum==LAST_POSITION && _slideSwitch->getNumChildren()>0)
|
|
{
|
|
layerNum = _slideSwitch->getNumChildren()-1;
|
|
}
|
|
|
|
if (layerNum>=static_cast<int>(_slideSwitch->getNumChildren())) return false;
|
|
|
|
_activeLayer = layerNum;
|
|
_slideSwitch->setSingleChildOn(_activeLayer);
|
|
|
|
updateOperators();
|
|
|
|
OSG_INFO<<"Selected layer '"<<_slideSwitch->getChild(_activeLayer)->getName()<<"' num="<<_activeLayer<< std::endl;
|
|
|
|
return withinSlide;
|
|
}
|
|
|
|
bool SlideEventHandler::nextLayerOrSlide()
|
|
{
|
|
if (nextLayer())
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return nextSlide();
|
|
}
|
|
}
|
|
|
|
bool SlideEventHandler::previousLayerOrSlide()
|
|
{
|
|
OSG_INFO<<"previousLayerOrSlide()"<<std::endl;
|
|
if (previousLayer()) return true;
|
|
else return previousSlide();
|
|
}
|
|
|
|
bool SlideEventHandler::nextSlide()
|
|
{
|
|
OSG_INFO<<"nextSlide()"<<std::endl;
|
|
LayerAttributes* la = _slideSwitch.valid() ? dynamic_cast<LayerAttributes*>(_slideSwitch->getUserData()) : 0;
|
|
if (la && la->getJumpData().requiresJump())
|
|
{
|
|
return la->getJumpData().jump(this);
|
|
}
|
|
|
|
if (selectSlide(_activeSlide+1)) return true;
|
|
else if (_loopPresentation) return selectSlide(0);
|
|
else return false;
|
|
}
|
|
|
|
bool SlideEventHandler::previousSlide()
|
|
{
|
|
OSG_INFO<<"previousSlide()"<<std::endl;
|
|
#if 1
|
|
// start position when doing previous slide set to top of slide
|
|
if (_activeSlide>0) return selectSlide(_activeSlide-1);
|
|
else if (_loopPresentation && _presentationSwitch.valid()) return selectSlide(_presentationSwitch->getNumChildren()-1);
|
|
else return false;
|
|
#else
|
|
// start position when doing previous slide set to end of slide
|
|
if (_activeSlide>0) return selectSlide(_activeSlide-1,LAST_POSITION);
|
|
else if (_loopPresentation && _presentationSwitch.valid()) return selectSlide(_presentationSwitch->getNumChildren()-1,LAST_POSITION);
|
|
else return false;
|
|
#endif
|
|
}
|
|
|
|
bool SlideEventHandler::nextLayer()
|
|
{
|
|
LayerAttributes* la = (_slideSwitch.valid() && _activeLayer<static_cast<int>(_slideSwitch->getNumChildren())) ? dynamic_cast<LayerAttributes*>(_slideSwitch->getChild(_activeLayer)->getUserData()) : 0;
|
|
if (la)
|
|
{
|
|
la->callLeaveCallbacks(_slideSwitch->getChild(_activeLayer));
|
|
|
|
if (la->getJumpData().requiresJump())
|
|
{
|
|
return la->getJumpData().jump(this);
|
|
}
|
|
}
|
|
|
|
OSG_INFO<<"nextLayer() calling selectLayer("<<_activeLayer+1<<")"<<std::endl;
|
|
return selectLayer(_activeLayer+1);
|
|
}
|
|
|
|
bool SlideEventHandler::previousLayer()
|
|
{
|
|
OSG_INFO<<"previousLayer()"<<std::endl;
|
|
if (_activeLayer>0) return selectLayer(_activeLayer-1);
|
|
else return false;
|
|
}
|
|
|
|
|
|
void SlideEventHandler::updateOperators()
|
|
{
|
|
_activeOperators.collect(_slideSwitch.get());
|
|
_activeOperators.process(this);
|
|
|
|
if (_viewer.valid())
|
|
{
|
|
updateLight(0.0f,0.0f);
|
|
}
|
|
}
|
|
|
|
bool SlideEventHandler::home(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa)
|
|
{
|
|
FindHomePositionVisitor fhpv;
|
|
osg::Node* node = _viewer->getSceneData();
|
|
if (node) node->accept(fhpv);
|
|
|
|
if (_viewer->getCameraManipulator())
|
|
{
|
|
if (fhpv._homePosition.valid())
|
|
{
|
|
OSG_INFO<<"Doing home for stored home position."<<std::endl;
|
|
|
|
_viewer->getCameraManipulator()->setAutoComputeHomePosition(false);
|
|
_viewer->getCameraManipulator()->setHomePosition(
|
|
fhpv._homePosition->eye,
|
|
fhpv._homePosition->center,
|
|
fhpv._homePosition->up);
|
|
}
|
|
else
|
|
{
|
|
_viewer->getCameraManipulator()->setAutoComputeHomePosition(true);
|
|
}
|
|
_viewer->getCameraManipulator()->home(ea,aa);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SlideEventHandler::home()
|
|
{
|
|
osg::ref_ptr<osgGA::GUIEventAdapter> ea = new osgGA::GUIEventAdapter;
|
|
ea->setEventType(osgGA::GUIEventAdapter::FRAME);
|
|
ea->setTime(_viewer->getEventQueue()->getTime());
|
|
|
|
home(*ea,*_viewer);
|
|
return true;
|
|
}
|
|
|
|
void SlideEventHandler::updateAlpha(bool modAlphaFunc, bool modMaterial, float x, float y)
|
|
{
|
|
OSG_INFO<<"updateAlpha("<<x<<","<<y<<")"<<std::endl;
|
|
|
|
UpdateAlphaVisitor uav(modAlphaFunc, modMaterial, x,y);
|
|
if (_presentationSwitch.valid()) _presentationSwitch->accept(uav);
|
|
else if (_viewer->getSceneData()) _viewer->getSceneData()->accept(uav);
|
|
}
|
|
|
|
|
|
void SlideEventHandler::updateLight(float x, float y)
|
|
{
|
|
OSG_INFO<<"updateLight("<<x<<", "<<y<<")"<<std::endl;
|
|
|
|
UpdateLightVisitor uav(_viewer->getCamera()->getViewMatrix(),x,y);
|
|
_viewer->getSceneData()->accept(uav);
|
|
|
|
if (_viewer->getLightingMode()!= osg::View::NO_LIGHT && _viewer->getLight())
|
|
{
|
|
if (_viewer->getLightingMode()== osg::View::SKY_LIGHT)
|
|
{
|
|
uav.apply(_viewer->getCamera()->getViewMatrix(), _viewer->getLight());
|
|
}
|
|
else if (_viewer->getLightingMode()== osg::View::HEADLIGHT)
|
|
{
|
|
uav.apply(osg::Matrix::identity(), _viewer->getLight());
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void SlideEventHandler::compileSlide(unsigned int slideNum)
|
|
{
|
|
if (!_compileSlideCallback)
|
|
{
|
|
_compileSlideCallback = new CompileSlideCallback();
|
|
|
|
osgViewer::Viewer::Cameras cameras;
|
|
_viewer->getCameras(cameras);
|
|
|
|
for(osgViewer::Viewer::Cameras::iterator itr = cameras.begin();
|
|
itr != cameras.end();
|
|
++itr)
|
|
{
|
|
(*itr)->setPreDrawCallback(_compileSlideCallback.get());
|
|
}
|
|
|
|
}
|
|
|
|
_compileSlideCallback->needCompile(_presentationSwitch->getChild(slideNum));
|
|
|
|
}
|
|
|
|
void SlideEventHandler::releaseSlide(unsigned int slideNum)
|
|
{
|
|
osgUtil::GLObjectsVisitor globjVisitor(osgUtil::GLObjectsVisitor::RELEASE_DISPLAY_LISTS|
|
|
osgUtil::GLObjectsVisitor::RELEASE_STATE_ATTRIBUTES);
|
|
globjVisitor.setNodeMaskOverride(0xffffffff);
|
|
|
|
_presentationSwitch->getChild(slideNum)->accept(globjVisitor);
|
|
}
|
|
|
|
void SlideEventHandler::dispatchEvent(const KeyPosition& keyPosition)
|
|
{
|
|
osgGA::EventQueue* eq = _viewer->getEventQueue();
|
|
|
|
// reset the time of the last key press to ensure that the event is disgarded as a key repeat.
|
|
_timeLastKeyPresses = -1.0;
|
|
|
|
if (keyPosition._x!=FLT_MAX)
|
|
{
|
|
float xRescaled = eq->getCurrentEventState()->getXmin() + (keyPosition._x+1.0f)*0.5f*(eq->getCurrentEventState()->getXmax()-eq->getCurrentEventState()->getXmin());
|
|
eq->getCurrentEventState()->setX(xRescaled);
|
|
}
|
|
|
|
if (keyPosition._y!=FLT_MAX)
|
|
{
|
|
float y = (eq->getCurrentEventState()->getMouseYOrientation()==osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS) ?
|
|
keyPosition._y : -keyPosition._y;
|
|
|
|
float yRescaled = eq->getCurrentEventState()->getYmin() + (y+1.0f)*0.5f*(eq->getCurrentEventState()->getYmax()-eq->getCurrentEventState()->getYmin());
|
|
eq->getCurrentEventState()->setY(yRescaled);
|
|
}
|
|
|
|
eq->keyPress(keyPosition._key);
|
|
eq->keyRelease(keyPosition._key);
|
|
}
|
|
|
|
|
|
void SlideEventHandler::setRequestReload(bool flag)
|
|
{
|
|
_requestReload = flag;
|
|
}
|
|
|