FGFS-4.1/OpenSceneGraph
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Fixed crash when no CameraManipulator is assigned to the viewer

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This commit is contained in:
Robert Osfield
2012-11-30 20:03:31 +00:00
parent d831f1b538
commit 3e32d9c8af
2 changed files with 29 additions and 18 deletions
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38
src/osgPresentation/SlideEventHandler.cpp
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@@ -1244,10 +1244,13 @@ bool SlideEventHandler::selectSlide(int slideNum,int layerNum)
// refersh the viewer.
//_viewer->getKeySwitchMatrixManipulator()->setMinimumDistance(0.001);
_viewer->getCameraManipulator()->setNode(_slideSwitch.get());
_viewer->computeActiveCoordinateSystemNodePath();
if (_viewer->getCameraManipulator())
{
_viewer->getCameraManipulator()->setNode(_slideSwitch.get());
_viewer->computeActiveCoordinateSystemNodePath();
}
// resetUpdateCallbacks(ALL_OBJECTS);
bool _useSlideFilePaths = false;
@@ -1387,22 +1390,25 @@ bool SlideEventHandler::home(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAd
osg::Node* node = _viewer->getSceneData();
if (node) node->accept(fhpv);
if (fhpv._homePosition.valid())
if (_viewer->getCameraManipulator())
{
OSG_INFO<<"Doing home for stored home position."<<std::endl;
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);
_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);
}
else
{
_viewer->getCameraManipulator()->setAutoComputeHomePosition(true);
}
_viewer->getCameraManipulator()->home(ea,aa);
return true;
}