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Viewer.cpp
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Viewer.cpp
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <osg/DeleteHandler>
#include <osg/io_utils>
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osgGA/TrackballManipulator>
#include <osgViewer/Viewer>
#include <osgViewer/Renderer>
#include <osgViewer/CompositeViewer>
#include <sstream>
#include <string.h>
using namespace osgViewer;
Viewer::Viewer()
{
_viewerBase = this;
constructorInit();
}
Viewer::Viewer(osg::ArgumentParser& arguments)
{
_viewerBase = this;
constructorInit();
// Add help for command-line options read here
arguments.getApplicationUsage()->addCommandLineOption("--SingleThreaded","Select SingleThreaded threading model for viewer.");
arguments.getApplicationUsage()->addCommandLineOption("--CullDrawThreadPerContext","Select CullDrawThreadPerContext threading model for viewer.");
arguments.getApplicationUsage()->addCommandLineOption("--DrawThreadPerContext","Select DrawThreadPerContext threading model for viewer.");
arguments.getApplicationUsage()->addCommandLineOption("--CullThreadPerCameraDrawThreadPerContext","Select CullThreadPerCameraDrawThreadPerContext threading model for viewer.");
arguments.getApplicationUsage()->addCommandLineOption("--clear-color <color>","Set the background color of the viewer in the form \"r,g,b[,a]\".");
arguments.getApplicationUsage()->addCommandLineOption("--screen <num>","Set the screen to use when multiple screens are present.");
arguments.getApplicationUsage()->addCommandLineOption("--window <x y w h>","Set the position (x,y) and size (w,h) of the viewer window.");
arguments.getApplicationUsage()->addCommandLineOption("--run-on-demand","Set the run methods frame rate management to only rendering frames when required.");
arguments.getApplicationUsage()->addCommandLineOption("--run-continuous","Set the run methods frame rate management to rendering frames continuously.");
arguments.getApplicationUsage()->addCommandLineOption("--run-max-frame-rate","Set the run methods maximum permissable frame rate, 0.0 is default and switching off frame rate capping.");
arguments.getApplicationUsage()->addCommandLineOption("--enable-object-cache","Enable caching of objects, images, etc.");
// FIXME: Uncomment these lines when the options have been documented properly
//arguments.getApplicationUsage()->addCommandLineOption("--3d-sd","");
//arguments.getApplicationUsage()->addCommandLineOption("--panoramic-sd","");
//arguments.getApplicationUsage()->addCommandLineOption("--radius","");
//arguments.getApplicationUsage()->addCommandLineOption("--collar","");
//arguments.getApplicationUsage()->addCommandLineOption("--im","");
if (arguments.read("--ico"))
{
setIncrementalCompileOperation(new osgUtil::IncrementalCompileOperation());
}
std::string filename;
bool readConfig = false;
while (arguments.read("-c",filename))
{
readConfig = readConfiguration(filename) || readConfig;
}
// Enable caching?
while (arguments.read("--enable-object-cache"))
{
if (osgDB::Registry::instance()->getOptions()==0) osgDB::Registry::instance()->setOptions(new osgDB::Options());
osgDB::Registry::instance()->getOptions()->setObjectCacheHint(osgDB::Options::CACHE_ALL);
}
while (arguments.read("--SingleThreaded")) setThreadingModel(SingleThreaded);
while (arguments.read("--CullDrawThreadPerContext")) setThreadingModel(CullDrawThreadPerContext);
while (arguments.read("--DrawThreadPerContext")) setThreadingModel(DrawThreadPerContext);
while (arguments.read("--CullThreadPerCameraDrawThreadPerContext")) setThreadingModel(CullThreadPerCameraDrawThreadPerContext);
osg::DisplaySettings::instance()->readCommandLine(arguments);
osgDB::readCommandLine(arguments);
std::string colorStr;
while (arguments.read("--clear-color",colorStr))
{
float r, g, b;
float a = 1.0f;
int cnt = sscanf( colorStr.c_str(), "%f,%f,%f,%f", &r, &g, &b, &a );
if( cnt==3 || cnt==4 )
{
getCamera()->setClearColor( osg::Vec4(r,g,b,a) );
}
else
{
OSG_WARN<<"Invalid clear color \""<<colorStr<<"\""<<std::endl;
}
}
while(arguments.read("--run-on-demand")) { setRunFrameScheme(ON_DEMAND); }
while(arguments.read("--run-continuous")) { setRunFrameScheme(CONTINUOUS); }
double runMaxFrameRate;
while(arguments.read("--run-max-frame-rate", runMaxFrameRate)) { setRunMaxFrameRate(runMaxFrameRate); }
int screenNum = -1;
while (arguments.read("--screen",screenNum)) {}
int x = -1, y = -1, width = -1, height = -1;
while (arguments.read("--window",x,y,width,height)) {}
bool ss3d = false;
bool wowvx20 = false;
bool wowvx42 = false;
if ((wowvx20=arguments.read("--wowvx-20")) || (wowvx42=arguments.read("--wowvx-42")) || arguments.read("--wowvx"))
{
int wow_content=0x02, wow_factor=0x40, wow_offset=0x80;
float wow_Zd, wow_vz, wow_M, wow_C;
if (wowvx20){
wow_Zd = 0.459813f;
wow_vz = 6.180772f;
wow_M = -1586.34f;
wow_C = 127.5f;
}
else if (wowvx42){
wow_Zd = 0.467481f;
wow_vz = 7.655192f;
wow_M = -1960.37f;
wow_C = 127.5f;
}
while (arguments.read("--wow-content",wow_content)) {}
while (arguments.read("--wow-factor",wow_factor)) {}
while (arguments.read("--wow-offset",wow_offset)) {}
while (arguments.read("--wow-zd",wow_Zd)) {}
while (arguments.read("--wow-vz",wow_vz)) {}
while (arguments.read("--wow-M",wow_M)) {}
while (arguments.read("--wow-C",wow_C)) {}
if (screenNum<0) screenNum = 0;
setUpViewForWoWVxDisplay( screenNum, wow_content, wow_factor, wow_offset, wow_Zd, wow_vz, wow_M, wow_C );
}
else if ((ss3d=arguments.read("--3d-sd")) || arguments.read("--panoramic-sd"))
{
double radius = 1.0;
while (arguments.read("--radius",radius)) {}
double collar = 0.45;
while (arguments.read("--collar",collar)) {}
std::string intensityMapFilename;
while (arguments.read("--im",intensityMapFilename)) {}
osg::ref_ptr<osg::Image> intensityMap = intensityMapFilename.empty() ? 0 : osgDB::readImageFile(intensityMapFilename);
if (screenNum<0) screenNum = 0;
if (ss3d)
{
setThreadingModel(SingleThreaded);
setUpViewFor3DSphericalDisplay(radius, collar, screenNum, intensityMap.get());
}
else
{
setThreadingModel(SingleThreaded);
setUpViewForPanoramicSphericalDisplay(radius, collar, screenNum, intensityMap.get());
}
}
else if (width>0 && height>0)
{
if (screenNum>=0) setUpViewInWindow(x, y, width, height, screenNum);
else setUpViewInWindow(x,y,width,height);
}
else if (screenNum>=0)
{
setUpViewOnSingleScreen(screenNum);
}
}
Viewer::Viewer(const osgViewer::Viewer& viewer, const osg::CopyOp& copyop):
osg::Object(true),
ViewerBase(viewer),
View(viewer,copyop)
{
_viewerBase = this;
}
void Viewer::constructorInit()
{
_eventVisitor = new osgGA::EventVisitor;
_eventVisitor->setActionAdapter(this);
_eventVisitor->setFrameStamp(_frameStamp.get());
_updateVisitor = new osgUtil::UpdateVisitor;
_updateVisitor->setFrameStamp(_frameStamp.get());
setViewerStats(new osg::Stats("Viewer"));
}
Viewer::~Viewer()
{
//OSG_NOTICE<<"Viewer::~Viewer()"<<std::endl;
Threads threads;
getAllThreads(threads);
OSG_INFO<<"Viewer::~Viewer():: start destructor getThreads = "<<threads.size()<<std::endl;
stopThreading();
if (_scene.valid() && _scene->getDatabasePager())
{
_scene->getDatabasePager()->cancel();
_scene->setDatabasePager(0);
}
Contexts contexts;
getContexts(contexts);
// clear out all the previously assigned operations
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
(*citr)->close();
}
//OSG_NOTICE<<"finish Viewer::~Viewer()"<<std::endl;
getAllThreads(threads);
OSG_INFO<<"Viewer::~Viewer() end destructor getThreads = "<<threads.size()<<std::endl;
}
void Viewer::take(osg::View& rhs)
{
osgViewer::View::take(rhs);
#if 1
osgViewer::Viewer* rhs_viewer = dynamic_cast<osgViewer::Viewer*>(&rhs);
if (rhs_viewer)
{
// variables left to take.
_done = rhs_viewer->_done;
_keyEventSetsDone = rhs_viewer->_keyEventSetsDone;
_quitEventSetsDone = rhs_viewer->_quitEventSetsDone;
_threadingModel = rhs_viewer->_threadingModel;
_threadsRunning = rhs_viewer->_threadsRunning;
_endBarrierPosition = rhs_viewer->_endBarrierPosition;
_startRenderingBarrier = rhs_viewer->_startRenderingBarrier;
_endRenderingDispatchBarrier = rhs_viewer->_endRenderingDispatchBarrier;
_endDynamicDrawBlock = rhs_viewer->_endDynamicDrawBlock;
_cameraWithFocus = rhs_viewer->_cameraWithFocus;
_eventVisitor = rhs_viewer->_eventVisitor;
_updateOperations = rhs_viewer->_updateOperations;
_updateVisitor = rhs_viewer->_updateVisitor;
_realizeOperation = rhs_viewer->_realizeOperation;
_currentContext = rhs_viewer->_currentContext;
// objects to clear
rhs_viewer->_done = true;
rhs_viewer->_startRenderingBarrier = 0;
rhs_viewer->_endRenderingDispatchBarrier = 0;
rhs_viewer->_endDynamicDrawBlock = 0;
rhs_viewer->_cameraWithFocus = 0;
rhs_viewer->_eventVisitor = 0;
rhs_viewer->_updateOperations = 0;
rhs_viewer->_updateVisitor = 0;
rhs_viewer->_realizeOperation = 0;
rhs_viewer->_currentContext = 0;
}
#endif
}
bool Viewer::readConfiguration(const std::string& filename)
{
OSG_INFO<<"Viewer::readConfiguration("<<filename<<")"<<std::endl;
osg::ref_ptr<osg::Object> object = osgDB::readObjectFile(filename);
if (!object)
{
//OSG_NOTICE<<"Error: Unable to load configuration file \""<<filename<<"\""<<std::endl;
return false;
}
CompositeViewer* compositeViewer = dynamic_cast<CompositeViewer*>(object.get());
if (compositeViewer)
{
OSG_NOTICE<<"Error: Config file \""<<filename<<"\" containing CompositeViewer cannot be loaded by Viewer."<<std::endl;
return false;
}
View* view = dynamic_cast<osgViewer::View*>(object.get());
if (view)
{
take(*view);
return true;
}
else
{
OSG_NOTICE<<"Error: Config file \""<<filename<<"\" does not contain a valid Viewer configuration."<<std::endl;
return false;
}
}
bool Viewer::isRealized() const
{
Contexts contexts;
const_cast<Viewer*>(this)->getContexts(contexts);
unsigned int numRealizedWindows = 0;
// clear out all the previously assigned operations
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
if ((*citr)->isRealized()) ++numRealizedWindows;
}
return numRealizedWindows > 0;
}
bool Viewer::checkNeedToDoFrame()
{
if (_requestRedraw) return true;
if (_requestContinousUpdate) return true;
// If the database pager is going to update the scene the render flag is
// set so that the updates show up
if(getDatabasePager()->requiresUpdateSceneGraph() || getDatabasePager()->getRequestsInProgress()) return true;
// if there update callbacks then we need to do frame.
if (_camera->getUpdateCallback()) return true;
if (getSceneData()!=0 && getSceneData()->getNumChildrenRequiringUpdateTraversal()>0) return true;
// now do a eventTraversal to see if any events might require a new frame.
eventTraversal();
// now check if any of the event handles have prompted a redraw.
if (_requestRedraw) return true;
if (_requestContinousUpdate) return true;
return false;
}
int Viewer::run()
{
if (!getCameraManipulator() && getCamera()->getAllowEventFocus())
{
setCameraManipulator(new osgGA::TrackballManipulator());
}
setReleaseContextAtEndOfFrameHint(false);
return ViewerBase::run();
}
void Viewer::setStartTick(osg::Timer_t tick)
{
View::setStartTick(tick);
Contexts contexts;
getContexts(contexts,false);
getEventQueue()->setStartTick(_startTick);
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(*citr);
if (gw)
{
gw->getEventQueue()->setStartTick(_startTick);
}
}
}
void Viewer::setReferenceTime(double time)
{
osg::Timer_t tick = osg::Timer::instance()->tick();
double currentTime = osg::Timer::instance()->delta_s(_startTick, tick);
double delta_ticks = (time-currentTime)*(osg::Timer::instance()->getSecondsPerTick());
if (delta_ticks>=0) tick += osg::Timer_t(delta_ticks);
else tick -= osg::Timer_t(-delta_ticks);
// assign the new start tick
setStartTick(tick);
}
void Viewer::setSceneData(osg::Node* node)
{
setReferenceTime(0.0);
View::setSceneData(node);
}
GraphicsWindowEmbedded* Viewer::setUpViewerAsEmbeddedInWindow(int x, int y, int width, int height)
{
setThreadingModel(SingleThreaded);
osgViewer::GraphicsWindowEmbedded* gw = new osgViewer::GraphicsWindowEmbedded(x,y,width,height);
getCamera()->setViewport(new osg::Viewport(0,0,width,height));
getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(width)/static_cast<double>(height), 1.0f, 10000.0f);
getCamera()->setGraphicsContext(gw);
return gw;
}
void Viewer::realize()
{
//OSG_INFO<<"Viewer::realize()"<<std::endl;
setCameraWithFocus(0);
Contexts contexts;
getContexts(contexts);
if (contexts.empty())
{
OSG_INFO<<"Viewer::realize() - No valid contexts found, setting up view across all screens."<<std::endl;
// no windows are already set up so set up a default view
const char* ptr = 0;
if ((ptr = getenv("OSG_CONFIG_FILE")) != 0)
{
readConfiguration(ptr);
}
else
{
int screenNum = -1;
if ((ptr = getenv("OSG_SCREEN")) != 0)
{
if (strlen(ptr)!=0) screenNum = atoi(ptr);
else screenNum = -1;
}
int x = -1, y = -1, width = -1, height = -1;
if ((ptr = getenv("OSG_WINDOW")) != 0)
{
std::istringstream iss(ptr);
iss >> x >> y >> width >> height;
}
if (width>0 && height>0)
{
if (screenNum>=0) setUpViewInWindow(x, y, width, height, screenNum);
else setUpViewInWindow(x,y,width,height);
}
else if (screenNum>=0)
{
setUpViewOnSingleScreen(screenNum);
}
else
{
setUpViewAcrossAllScreens();
}
}
getContexts(contexts);
}
if (contexts.empty())
{
OSG_NOTICE<<"Viewer::realize() - failed to set up any windows"<<std::endl;
_done = true;
return;
}
unsigned int maxTexturePoolSize = osg::DisplaySettings::instance()->getMaxTexturePoolSize();
if (_camera->getDisplaySettings()) maxTexturePoolSize = std::max(maxTexturePoolSize, _camera->getDisplaySettings()->getMaxTexturePoolSize());
if (_displaySettings.valid()) maxTexturePoolSize = std::max(maxTexturePoolSize, _displaySettings->getMaxTexturePoolSize());
unsigned int maxBufferObjectPoolSize = osg::DisplaySettings::instance()->getMaxBufferObjectPoolSize();
if (_displaySettings.valid()) maxBufferObjectPoolSize = std::max(maxBufferObjectPoolSize, _displaySettings->getMaxBufferObjectPoolSize());
if (_camera->getDisplaySettings()) maxBufferObjectPoolSize = std::max(maxBufferObjectPoolSize, _camera->getDisplaySettings()->getMaxBufferObjectPoolSize());
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
osg::GraphicsContext* gc = *citr;
// set the pool sizes, 0 the default will result in no GL object pools.
gc->getState()->setMaxTexturePoolSize(maxTexturePoolSize);
gc->getState()->setMaxBufferObjectPoolSize(maxBufferObjectPoolSize);
gc->realize();
if (_realizeOperation.valid() && gc->valid())
{
gc->makeCurrent();
(*_realizeOperation)(gc);
gc->releaseContext();
}
}
// attach contexts to _incrementalCompileOperation if attached.
if (_incrementalCompileOperation) _incrementalCompileOperation->assignContexts(contexts);
bool grabFocus = true;
if (grabFocus)
{
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(*citr);
if (gw)
{
gw->grabFocusIfPointerInWindow();
}
}
}
// initialize the global timer to be relative to the current time.
osg::Timer::instance()->setStartTick();
// pass on the start tick to all the associated event queues
setStartTick(osg::Timer::instance()->getStartTick());
setUpThreading();
if (osg::DisplaySettings::instance()->getCompileContextsHint())
{
int numProcessors = OpenThreads::GetNumberOfProcessors();
int processNum = 0;
for(unsigned int i=0; i<= osg::GraphicsContext::getMaxContextID(); ++i)
{
osg::GraphicsContext* gc = osg::GraphicsContext::getOrCreateCompileContext(i);
if (gc)
{
gc->createGraphicsThread();
gc->getGraphicsThread()->setProcessorAffinity(processNum % numProcessors);
gc->getGraphicsThread()->startThread();
++processNum;
}
}
}
osgGA::GUIEventAdapter* eventState = getEventQueue()->getCurrentEventState();
if (getCamera()->getViewport())
{
osg::Viewport* viewport = getCamera()->getViewport();
eventState->setInputRange( viewport->x(), viewport->y(), viewport->x() + viewport->width(), viewport->y() + viewport->height());
}
else
{
eventState->setInputRange(-1.0, -1.0, 1.0, 1.0);
}
}
void Viewer::advance(double simulationTime)
{
if (_done) return;
double previousReferenceTime = _frameStamp->getReferenceTime();
unsigned int previousFrameNumber = _frameStamp->getFrameNumber();
_frameStamp->setFrameNumber(_frameStamp->getFrameNumber()+1);
_frameStamp->setReferenceTime( osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick()) );
if (simulationTime==USE_REFERENCE_TIME)
{
_frameStamp->setSimulationTime(_frameStamp->getReferenceTime());
}
else
{
_frameStamp->setSimulationTime(simulationTime);
}
if (_eventQueue.valid())
{
osgGA::GUIEventAdapter* eventState = getEventQueue()->getCurrentEventState();
if (getCamera()->getViewport())
{
osg::Viewport* viewport = getCamera()->getViewport();
eventState->setInputRange( viewport->x(), viewport->y(), viewport->x() + viewport->width(), viewport->y() + viewport->height());
}
else
{
eventState->setInputRange(-1.0, -1.0, 1.0, 1.0);
}
_eventQueue->frame( getFrameStamp()->getReferenceTime() );
}
if (getViewerStats() && getViewerStats()->collectStats("frame_rate"))
{
// update previous frame stats
double deltaFrameTime = _frameStamp->getReferenceTime() - previousReferenceTime;
getViewerStats()->setAttribute(previousFrameNumber, "Frame duration", deltaFrameTime);
getViewerStats()->setAttribute(previousFrameNumber, "Frame rate", 1.0/deltaFrameTime);
// update current frames stats
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Reference time", _frameStamp->getReferenceTime());
}
if (osg::Referenced::getDeleteHandler())
{
osg::Referenced::getDeleteHandler()->flush();
osg::Referenced::getDeleteHandler()->setFrameNumber(_frameStamp->getFrameNumber());
}
}
void Viewer::eventTraversal()
{
if (_done) return;
double cutOffTime = (_runFrameScheme==ON_DEMAND) ? DBL_MAX : _frameStamp->getReferenceTime();
double beginEventTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
// OSG_NOTICE<<"Viewer::frameEventTraversal()."<<std::endl;
// need to copy events from the GraphicsWindow's into local EventQueue;
osgGA::EventQueue::Events events;
Contexts contexts;
getContexts(contexts);
// set done if there are no windows
checkWindowStatus(contexts);
if (_done) return;
osgGA::GUIEventAdapter* eventState = getEventQueue()->getCurrentEventState();
osg::Matrix masterCameraVPW = getCamera()->getViewMatrix() * getCamera()->getProjectionMatrix();
if (getCamera()->getViewport())
{
osg::Viewport* viewport = getCamera()->getViewport();
masterCameraVPW *= viewport->computeWindowMatrix();
}
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(*citr);
if (gw)
{
gw->checkEvents();
osgGA::EventQueue::Events gw_events;
gw->getEventQueue()->takeEvents(gw_events, cutOffTime);
osgGA::EventQueue::Events::iterator itr;
for(itr = gw_events.begin();
itr != gw_events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
bool pointerEvent = false;
float x = event->getX();
float y = event->getY();
bool invert_y = event->getMouseYOrientation()==osgGA::GUIEventAdapter::Y_INCREASING_DOWNWARDS;
if (invert_y && gw->getTraits()) y = gw->getTraits()->height - y;
switch(event->getEventType())
{
case(osgGA::GUIEventAdapter::PUSH):
case(osgGA::GUIEventAdapter::RELEASE):
case(osgGA::GUIEventAdapter::DOUBLECLICK):
case(osgGA::GUIEventAdapter::DRAG):
case(osgGA::GUIEventAdapter::MOVE):
{
pointerEvent = true;
if (event->getEventType()!=osgGA::GUIEventAdapter::DRAG || !getCameraWithFocus())
{
osg::GraphicsContext::Cameras& cameras = gw->getCameras();
for(osg::GraphicsContext::Cameras::iterator citr = cameras.begin();
citr != cameras.end();
++citr)
{
osg::Camera* camera = *citr;
if (camera->getView()==this &&
camera->getAllowEventFocus() &&
camera->getRenderTargetImplementation()==osg::Camera::FRAME_BUFFER)
{
osg::Viewport* viewport = camera ? camera->getViewport() : 0;
if (viewport &&
x >= viewport->x() && y >= viewport->y() &&
x <= (viewport->x()+viewport->width()) && y <= (viewport->y()+viewport->height()) )
{
// OSG_NOTICE<<"setCamera with focus "<<camera->getName()<<" x="<<x<<" y="<<y<<std::endl;
setCameraWithFocus(camera);
}
}
}
}
break;
}
default:
break;
}
if (pointerEvent)
{
if (getCameraWithFocus())
{
if (getCameraWithFocus()!=getCamera())
{
osg::Viewport* viewport = getCameraWithFocus()->getViewport();
osg::Matrix localCameraVPW = getCameraWithFocus()->getViewMatrix() * getCameraWithFocus()->getProjectionMatrix();
if (viewport) localCameraVPW *= viewport->computeWindowMatrix();
osg::Matrix matrix( osg::Matrix::inverse(localCameraVPW) * masterCameraVPW );
osg::Vec3d new_coord = osg::Vec3d(x,y,0.0) * matrix;
x = new_coord.x();
y = new_coord.y();
}
// OSG_NOTICE<<"pointer event new_coord.x()="<<new_coord.x()<<" new_coord.y()="<<new_coord.y()<<std::endl;
event->setInputRange(eventState->getXmin(), eventState->getYmin(), eventState->getXmax(), eventState->getYmax());
event->setX(x);
event->setY(y);
event->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
}
else
{
x = eventState->getXmin() + (x/double(gw->getTraits()->width))*(eventState->getXmax() - eventState->getXmin());
y = eventState->getYmin() + (y/double(gw->getTraits()->height))*(eventState->getYmax() - eventState->getYmin());
// OSG_NOTICE<<"new x = "<<x<<" new y = "<<y<<std::endl;
event->setInputRange(eventState->getXmin(), eventState->getYmin(), eventState->getXmax(), eventState->getYmax());
event->setX(x);
event->setY(y);
event->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
}
// pass along the new pointer events details to the eventState of the viewer
eventState->setX(x);
eventState->setY(y);
eventState->setButtonMask(event->getButtonMask());
eventState->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
}
else
{
event->setInputRange(eventState->getXmin(), eventState->getYmin(), eventState->getXmax(), eventState->getYmax());
event->setX(eventState->getX());
event->setY(eventState->getY());
event->setButtonMask(eventState->getButtonMask());
event->setMouseYOrientation(eventState->getMouseYOrientation());
}
//OSG_NOTICE<<" mouse x = "<<event->getX()<<" y="<<event->getY()<<std::endl;
// OSG_NOTICE<<" mouse Xmin = "<<event->getXmin()<<" Ymin="<<event->getYmin()<<" xMax="<<event->getXmax()<<" Ymax="<<event->getYmax()<<std::endl;
}
for(itr = gw_events.begin();
itr != gw_events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
switch(event->getEventType())
{
case(osgGA::GUIEventAdapter::CLOSE_WINDOW):
{
bool wasThreading = areThreadsRunning();
if (wasThreading) stopThreading();
gw->close();
_currentContext = NULL;
if (wasThreading) startThreading();
break;
}
default:
break;
}
}
events.insert(events.end(), gw_events.begin(), gw_events.end());
}
}
// OSG_NOTICE<<"mouseEventState Xmin = "<<eventState->getXmin()<<" Ymin="<<eventState->getYmin()<<" xMax="<<eventState->getXmax()<<" Ymax="<<eventState->getYmax()<<std::endl;
_eventQueue->takeEvents(events, cutOffTime);
#if 0
// 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_NOTICE<<" PUSH "<<event->getButton()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
break;
case(osgGA::GUIEventAdapter::RELEASE):
OSG_NOTICE<<" RELEASE "<<event->getButton()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
break;
case(osgGA::GUIEventAdapter::DRAG):
OSG_NOTICE<<" DRAG "<<event->getButtonMask()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
break;
case(osgGA::GUIEventAdapter::MOVE):
OSG_NOTICE<<" MOVE "<<event->getButtonMask()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
break;
case(osgGA::GUIEventAdapter::SCROLL):
OSG_NOTICE<<" SCROLL "<<event->getScrollingMotion()<<std::endl;
break;
case(osgGA::GUIEventAdapter::KEYDOWN):
OSG_NOTICE<<" KEYDOWN '"<<(char)event->getKey()<<"'"<<std::endl;
break;
case(osgGA::GUIEventAdapter::KEYUP):
OSG_NOTICE<<" KEYUP '"<<(char)event->getKey()<<"'"<<std::endl;
break;
case(osgGA::GUIEventAdapter::RESIZE):
OSG_NOTICE<<" RESIZE "<<event->getWindowX()<<"/"<<event->getWindowY()<<" x "<<event->getWindowWidth()<<"/"<<event->getWindowHeight() << std::endl;
break;
case(osgGA::GUIEventAdapter::QUIT_APPLICATION):
OSG_NOTICE<<" QUIT_APPLICATION " << std::endl;
break;
case(osgGA::GUIEventAdapter::FRAME):
// OSG_NOTICE<<" FRAME "<<std::endl;
break;
default:
// OSG_NOTICE<<" Event not handled"<<std::endl;
break;
}
}
#endif
// OSG_NOTICE<<"Events "<<events.size()<<std::endl;
if ((_keyEventSetsDone!=0) || _quitEventSetsDone)
{
for(osgGA::EventQueue::Events::iterator itr = events.begin();
itr != events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
switch(event->getEventType())
{
case(osgGA::GUIEventAdapter::KEYUP):
if (_keyEventSetsDone && event->getKey()==_keyEventSetsDone) _done = true;
break;
case(osgGA::GUIEventAdapter::QUIT_APPLICATION):
if (_quitEventSetsDone) _done = true;
break;
default:
break;
}
}
}
if (_done) return;
if (_eventVisitor.valid() && getSceneData())
{
_eventVisitor->setFrameStamp(getFrameStamp());
_eventVisitor->setTraversalNumber(getFrameStamp()->getFrameNumber());
for(osgGA::EventQueue::Events::iterator itr = events.begin();
itr != events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
_eventVisitor->reset();
_eventVisitor->addEvent( event );
getSceneData()->accept(*_eventVisitor);
// Do EventTraversal for slaves with their own subgraph
for(unsigned int i=0; i<getNumSlaves(); ++i)
{
osg::View::Slave& slave = getSlave(i);
osg::Camera* camera = slave._camera.get();
if(camera && !slave._useMastersSceneData)
{
camera->accept(*_eventVisitor);
}
}
// call any camera event callbacks, but only traverse that callback, don't traverse its subgraph
// leave that to the scene update traversal.
osg::NodeVisitor::TraversalMode tm = _eventVisitor->getTraversalMode();
_eventVisitor->setTraversalMode(osg::NodeVisitor::TRAVERSE_NONE);
if (_camera.valid() && _camera->getEventCallback()) _camera->accept(*_eventVisitor);
for(unsigned int i=0; i<getNumSlaves(); ++i)
{
osg::View::Slave& slave = getSlave(i);
osg::Camera* camera = slave._camera.get();
if (camera && slave._useMastersSceneData && camera->getEventCallback())
{
camera->accept(*_eventVisitor);
}
}
_eventVisitor->setTraversalMode(tm);
}
}
for(osgGA::EventQueue::Events::iterator itr = events.begin();
itr != events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
for(EventHandlers::iterator hitr = _eventHandlers.begin();
hitr != _eventHandlers.end();
++hitr)
{
(*hitr)->handleWithCheckAgainstIgnoreHandledEventsMask( *event, *this, 0, _eventVisitor.get());
}
}
for(osgGA::EventQueue::Events::iterator itr = events.begin();
itr != events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
if (_cameraManipulator.valid())
{
_cameraManipulator->handleWithCheckAgainstIgnoreHandledEventsMask( *event, *this);
}
}
if (getViewerStats() && getViewerStats()->collectStats("event"))
{
double endEventTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
// update current frames stats
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Event traversal begin time", beginEventTraversal);
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Event traversal end time", endEventTraversal);
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Event traversal time taken", endEventTraversal-beginEventTraversal);
}
}
void Viewer::updateTraversal()
{
if (_done) return;
double beginUpdateTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
_updateVisitor->reset();
_updateVisitor->setFrameStamp(getFrameStamp());
_updateVisitor->setTraversalNumber(getFrameStamp()->getFrameNumber());
_scene->updateSceneGraph(*_updateVisitor);
// if we have a shared state manager prune any unused entries
if (osgDB::Registry::instance()->getSharedStateManager())
osgDB::Registry::instance()->getSharedStateManager()->prune();