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Completed changes to osgManipulator to make it more flexible w.r.t viewer usage, and

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ported osgmanipulator example across of osgViewer
This commit is contained in:
Robert Osfield
2007-02-26 13:01:17 +00:00
parent 42689e83ef
commit 7f8f4e331a
15 changed files with 270 additions and 202 deletions
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2
examples/osgmanipulator/GNUmakefile
View File

@@ -4,7 +4,7 @@ include $(TOPDIR)/Make/makedefs
CXXFILES =\
osgmanipulator.cpp\
LIBS += -losgProducer -lProducer -losgManipulator -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
LIBS += -losgViewer -losgManipulator -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
INSTFILES = \
$(CXXFILES)\

2
examples/osgmanipulator/GNUmakefile.inst
View File

@@ -4,7 +4,7 @@ include $(TOPDIR)/Make/makedefs
CXXFILES =\
osgmanipulator.cpp\
LIBS += -losgProducer -lProducer -losgManipulator -losgDB -losgText -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
LIBS += -losgViewer -losgManipulator -losgDB -losgText -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
EXEC = osgmanipulator

140
examples/osgmanipulator/osgmanipulator.cpp
View File

@@ -1,6 +1,7 @@
// --c++--
#include <osgDB/ReadFile>
#include <osgUtil/Optimizer>
#include <osgProducer/Viewer>
#include <osgViewer/Viewer>
#include <osg/CoordinateSystemNode>
#include <osgText/Text>
@@ -13,6 +14,8 @@
#include <osgManipulator/Translate2DDragger>
#include <osgManipulator/TranslateAxisDragger>
#include <iostream>
osgManipulator::Dragger* createDragger(const std::string& name)
{
osgManipulator::Dragger* dragger = 0;
@@ -99,7 +102,7 @@ osg::Node* createHUD()
return camera;
}
#if 0
bool computePixelCoords(osgProducer::Viewer* viewer,float x,float y,unsigned int cameraNum,float& pixel_x,float& pixel_y)
{
Producer::KeyboardMouse* km = viewer->getKeyboardMouse();
@@ -150,6 +153,7 @@ bool computePixelCoords(osgProducer::Viewer* viewer,float x,float y,unsigned int
}
return true;
}
#endif
osg::Node* addDraggerToScene(osg::Node* scene, osgManipulator::CommandManager* cmdMgr, const std::string& name)
{
@@ -182,14 +186,18 @@ class PickModeHandler : public osgGA::GUIEventHandler
PICK
};
PickModeHandler(osgProducer::Viewer *viewer) : osgGA::GUIEventHandler(),
_viewer(viewer), _mode(VIEW), _activeDragger(0)
PickModeHandler():
_mode(VIEW),
_activeDragger(0)
{
}
bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa,
osg::Object*, osg::NodeVisitor*)
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
if (!view) return false;
if (ea.getKey() == osgGA::GUIEventAdapter::KEY_Tab &&
ea.getEventType() == osgGA::GUIEventAdapter::KEYDOWN &&
_activeDragger == 0)
@@ -199,28 +207,27 @@ class PickModeHandler : public osgGA::GUIEventHandler
if (VIEW == _mode) return false;
for(unsigned int i=0;i<_viewer->getNumberOfCameras();++i)
switch (ea.getEventType())
{
if ((ea.getEventType() == osgGA::GUIEventAdapter::PUSH) &&
_viewer->computeIntersections(ea.getX(), ea.getY(), i, _pointer.hitList))
case osgGA::GUIEventAdapter::PUSH:
{
float pixel_x,pixel_y;
if (computePixelCoords(_viewer,ea.getX(),ea.getY(),i,pixel_x,pixel_y))
osgUtil::LineSegmentIntersector::Intersections intersections;
_pointer.reset();
if (view->computeIntersections(ea.getX(),ea.getY(),intersections))
{
Producer::Camera* camera=_viewer->getCamera(i);
_pointer.setCamera(view->getCamera());
_pointer.setMousePosition(ea.getX(), ea.getY());
osgProducer::OsgSceneHandler* sh = dynamic_cast<osgProducer::OsgSceneHandler*>(camera->getSceneHandler());
osgUtil::SceneView* sv = sh ? sh->getSceneView() : 0;
if (! sv) continue;
_pointer.pixel_x = int(pixel_x+0.5);
_pointer.pixel_y = int(pixel_y+0.5);
_pointer.sv = sv;
_pointer.hitIter = _pointer.hitList.begin();
for (osg::NodePath::iterator itr = _pointer.hitList.front().getNodePath().begin();
itr != _pointer.hitList.front().getNodePath().end();
for(osgUtil::LineSegmentIntersector::Intersections::iterator hitr = intersections.begin();
hitr != intersections.end();
++hitr)
{
_pointer.addIntersection(hitr->nodePath, hitr->getLocalIntersectPoint());
}
for (osg::NodePath::iterator itr = _pointer._hitList.front().first.begin();
itr != _pointer._hitList.front().first.end();
++itr)
{
osgManipulator::Dragger* dragger = dynamic_cast<osgManipulator::Dragger*>(*itr);
@@ -234,50 +241,36 @@ class PickModeHandler : public osgGA::GUIEventHandler
}
}
}
switch (ea.getEventType())
case osgGA::GUIEventAdapter::DRAG:
case osgGA::GUIEventAdapter::RELEASE:
{
case osgGA::GUIEventAdapter::DRAG:
case osgGA::GUIEventAdapter::RELEASE:
if (_activeDragger)
{
float pixel_x,pixel_y;
if (computePixelCoords(_viewer,ea.getX(),ea.getY(),i,pixel_x,pixel_y))
{
Producer::Camera* camera=_viewer->getCamera(i);
if (_activeDragger)
{
_pointer._hitIter = _pointer._hitList.begin();
_pointer.setCamera(view->getCamera());
_pointer.setMousePosition(ea.getX(), ea.getY());
osgProducer::OsgSceneHandler* sh = dynamic_cast<osgProducer::OsgSceneHandler*>(camera->getSceneHandler());
osgUtil::SceneView* sv = sh ? sh->getSceneView() : 0;
if (_activeDragger && sv)
{
_pointer.pixel_x = int(pixel_x+0.5);
_pointer.pixel_y = int(pixel_y+0.5);
_pointer.sv = sv;
_pointer.hitIter = _pointer.hitList.begin();
_activeDragger->handle(_pointer, ea, aa);
}
}
}
break;
default:
break;
}
if (ea.getEventType() == osgGA::GUIEventAdapter::RELEASE)
{
_activeDragger = 0;
_pointer.hitList.clear();
_activeDragger->handle(_pointer, ea, aa);
}
break;
}
default:
break;
}
if (ea.getEventType() == osgGA::GUIEventAdapter::RELEASE)
{
_activeDragger = 0;
_pointer.reset();
}
return true;
}
private:
osgProducer::Viewer* _viewer;
unsigned int _mode;
osgManipulator::Dragger* _activeDragger;
osgManipulator::Dragger::PointerInfo _pointer;
osgManipulator::PointerInfo _pointer;
};
int main( int argc, char **argv )
@@ -301,10 +294,7 @@ int main( int argc, char **argv )
// construct the viewer.
osgProducer::Viewer viewer(arguments);
// set up the value with sensible default event handlers.
viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
osgViewer::Viewer viewer;
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
@@ -371,34 +361,8 @@ int main( int argc, char **argv )
// pass the loaded scene graph to the viewer.
viewer.setSceneData(addDraggerToScene(loadedModel.get(), cmdMgr.get(), dragger_name));
viewer.getEventHandlerList().push_front(new PickModeHandler(&viewer));
viewer.addEventHandler(new PickModeHandler());
// create the windows and run the threads.
viewer.realize();
while( !viewer.done() )
{
// wait for all cull and draw threads to complete.
viewer.sync();
// update the scene by traversing it with the the update visitor which will
// call all node update callbacks and animations.
viewer.update();
// fire off the cull and draw traversals of the scene.
viewer.frame();
}
// wait for all cull and draw threads to complete.
viewer.sync();
// run a clean up frame to delete all OpenGL objects.
viewer.cleanup_frame();
// wait for all the clean up frame to complete.
viewer.sync();
return 0;
return viewer.run();
}