210 lines
8.5 KiB
C++
210 lines
8.5 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library 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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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGPRODUCER_VIEWER
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#define OSGPRODUCER_VIEWER 1
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#include <osg/NodeVisitor>
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#include <osg/ArgumentParser>
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#include <osg/ApplicationUsage>
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#include <osg/AnimationPath>
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#include <osgUtil/IntersectVisitor>
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#include <osgGA/GUIActionAdapter>
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#include <osgGA/GUIEventHandler>
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#include <osgGA/KeySwitchMatrixManipulator>
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#include <osgProducer/OsgCameraGroup>
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#include <osgProducer/KeyboardMouseCallback>
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#include <list>
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namespace osgProducer {
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class OSGPRODUCER_EXPORT Viewer : public OsgCameraGroup, public osgGA::GUIActionAdapter
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{
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public :
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Viewer();
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Viewer(Producer::CameraConfig *cfg);
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Viewer(const std::string& configFile);
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Viewer(osg::ArgumentParser& arguments);
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virtual ~Viewer();
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enum ViewerOptions
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{
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NO_EVENT_HANDLERS = 0,
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TRACKBALL_MANIPULATOR = 1,
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DRIVE_MANIPULATOR = 2,
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FLIGHT_MANIPULATOR = 4,
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TERRAIN_MANIPULATOR = 8,
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STATE_MANIPULATOR = 16,
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HEAD_LIGHT_SOURCE = 32,
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SKY_LIGHT_SOURCE = 64,
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STATS_MANIPULATOR = 128,
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VIEWER_MANIPULATOR = 256,
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ESCAPE_SETS_DONE = 512,
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STANDARD_SETTINGS = TRACKBALL_MANIPULATOR|
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DRIVE_MANIPULATOR |
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FLIGHT_MANIPULATOR |
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TERRAIN_MANIPULATOR |
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STATE_MANIPULATOR |
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HEAD_LIGHT_SOURCE |
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STATS_MANIPULATOR |
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VIEWER_MANIPULATOR |
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ESCAPE_SETS_DONE
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};
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void setUpViewer(unsigned int options=STANDARD_SETTINGS);
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void setDone(bool done) { _done = done; }
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bool getDone() const { return _done; }
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/** return true if the application is done and should exit.*/
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virtual bool done() const;
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/** Override the Producer::CameraGroup::setViewByMatrix to catch all changes to view.*/
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virtual void setViewByMatrix( const Producer::Matrix & pm);
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/** Set the threading model and then call realize().*/
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virtual bool realize(ThreadingModel thread_model);
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virtual bool realize();
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/** Updated the scene. Handle any queued up events, do an update traversal and set the CameraGroup's setViewByMatrix if any camera manipulators are active.*/
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virtual void update();
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/** set the update visitor which does the update traversal of the scene graph. Automatically called by the update() method.*/
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void setUpdateVisitor(osg::NodeVisitor* nv) { _updateVisitor = nv; }
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/** get the update visitor.*/
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osg::NodeVisitor* getUpdateVisitor() { return _updateVisitor.get(); }
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/** get the const update visitor.*/
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const osg::NodeVisitor* getUpdateVisitor() const { return _updateVisitor.get(); }
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typedef std::vector< osg::ref_ptr<osg::Node> > RefNodePath;
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void setCoordindateSystemNodePath(const RefNodePath& nodePath) { _coordinateSystemNodePath = nodePath; }
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void setCoordindateSystemNodePath(const osg::NodePath& nodePath);
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const RefNodePath& getCoordindateSystemNodePath() const { return _coordinateSystemNodePath; }
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/** Dispatch the cull and draw for each of the Camera's for this frame.*/
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virtual void frame();
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virtual void requestRedraw();
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virtual void requestContinuousUpdate(bool);
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virtual void requestWarpPointer(float x,float y);
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/** compute, from normalized mouse coords, for sepecified Camera, the pixel coords relative to that Camera's RenderSurface.*/
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bool computePixelCoords(float x,float y,unsigned int cameraNum,float& pixel_x,float& pixel_y);
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/** compute, from normalized mouse coords, for sepecified Camera, the near and far points in worlds coords.*/
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bool computeNearFarPoints(float x,float y,unsigned int cameraNum,osg::Vec3& near, osg::Vec3& far);
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/** compute, from normalized mouse coords, for all Cameras, intersections with the specified subgraph.*/
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bool computeIntersections(float x,float y,unsigned int cameraNum,osg::Node *node,osgUtil::IntersectVisitor::HitList& hits,osg::Node::NodeMask traversalMask = 0xffffffff);
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/** compute, from normalized mouse coords, for sepecified Camera, intersections with the scene.*/
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bool computeIntersections(float x,float y,unsigned int cameraNum,osgUtil::IntersectVisitor::HitList& hits,osg::Node::NodeMask traversalMask = 0xffffffff);
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/** compute, from normalized mouse coords, for all Cameras, intersections with specified subgraph.*/
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bool computeIntersections(float x,float y,osg::Node *node,osgUtil::IntersectVisitor::HitList& hits,osg::Node::NodeMask traversalMask = 0xffffffff);
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/** compute, from normalized mouse coords, for all Cameras, intersections with the scene.*/
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bool computeIntersections(float x,float y,osgUtil::IntersectVisitor::HitList& hits,osg::Node::NodeMask traversalMask = 0xffffffff);
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void setKeyboardMouse(Producer::KeyboardMouse* kbm);
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Producer::KeyboardMouse* getKeyboardMouse() { return _kbm.get(); }
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const Producer::KeyboardMouse* getKeyboardMouse() const { return _kbm.get(); }
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void setKeyboardMouseCallback(osgProducer::KeyboardMouseCallback* kbmcb);
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osgProducer::KeyboardMouseCallback* getKeyboardMouseCallback() { return _kbmcb.get(); }
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const osgProducer::KeyboardMouseCallback* getKeyboardMouseCallback() const { return _kbmcb.get(); }
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typedef std::list< osg::ref_ptr<osgGA::GUIEventHandler> > EventHandlerList;
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EventHandlerList& getEventHandlerList() { return _eventHandlerList; }
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const EventHandlerList& getEventHandlerList() const { return _eventHandlerList; }
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osgGA::KeySwitchMatrixManipulator* getKeySwitchMatrixManipulator() { return _keyswitchManipulator.get(); }
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const osgGA::KeySwitchMatrixManipulator* getKeySwitchMatrixManipulator() const { return _keyswitchManipulator.get(); }
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unsigned int addCameraManipulator(osgGA::MatrixManipulator* cm);
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void selectCameraManipulator(unsigned int no);
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void setRecordingAnimationPath(bool on) { _recordingAnimationPath = on; }
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bool getRecordingAnimationPath() const { return _recordingAnimationPath; }
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void setAnimationPath(osg::AnimationPath* path) { _animationPath = path; }
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osg::AnimationPath* getAnimationPath() { return _animationPath.get(); }
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const osg::AnimationPath* getAnimationPath() const { return _animationPath.get(); }
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const double* getPosition() const { return _position; }
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double getSpeed() const { return _speed; }
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osg::Quat getOrientation() const { return _orientation; }
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/** Get the keyboard and mouse usage of this viewer.*/
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virtual void getUsage(osg::ApplicationUsage& usage) const;
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/** update internal structures w.r.t updated scene data.*/
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virtual void updatedSceneData();
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protected :
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bool _done;
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osg::ref_ptr<Producer::KeyboardMouse> _kbm;
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osg::ref_ptr<osgProducer::KeyboardMouseCallback> _kbmcb;
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EventHandlerList _eventHandlerList;
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osg::ref_ptr<osgGA::KeySwitchMatrixManipulator> _keyswitchManipulator;
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osg::ref_ptr<osg::NodeVisitor> _updateVisitor;
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RefNodePath _coordinateSystemNodePath;
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bool _recordingAnimationPath;
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double _recordingStartTime;
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osg::ref_ptr<osg::AnimationPath> _animationPath;
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// record the current position and orientation of the view.
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double _position[3];
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osg::Quat _orientation;
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double _speed;
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};
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}
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#endif
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