source: osgVisual/trunk/include/core/core_manipulator.h @ 252

/* -*-c++-*- osgVisual - Copyright (C) 2009-2011 Torben Dannhauer
 *
 * This library is based on OpenSceneGraph, 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.
 *
 * osgVisual requires for some proprietary modules a license from the correspondig manufacturer.
 * You have to aquire licenses for all used proprietary modules.
 * 
 * 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 <osg/Node>
#include <osg/Notify>
#include <osg/ArgumentParser>
#include <osgViewer/Viewer>

#include <visual_dataIO.h>

// OSG Eventhandler
#include <osgViewer/ViewerEventHandlers>

// OSG manipulator
#include <osgGA/TrackballManipulator>
#include <osgGA/FlightManipulator>
#include <osgGA/DriveManipulator>
#include <osgGA/KeySwitchMatrixManipulator>
#include <osgGA/StateSetManipulator>
#include <osgGA/AnimationPathManipulator>
#include <osgGA/TerrainManipulator>
#include <osgGA/NodeTrackerManipulator>

// Spacenavigator manipulator
#ifdef USE_SPACENAVIGATOR
#include <manip_spaceMouse.h>
#include <manip_nodeTrackerSpaceMouse.h>
#include <manip_freeSpaceMouse.h>
#endif

// Object mounted manipulator
#include <manip_objectMounted.h>




namespace osgVisual
{ 

class core_manipulator : public osg::Node
{
        #include <leakDetection.h>
public:
        core_manipulator();
        ~core_manipulator(){};

        bool init(osgViewer::Viewer* viewer, osg::ArgumentParser& arguments, std::string configFilename, osg::Node* rootNode);
        void shutdown();
        void trackNode( osg::Node* node_ );
        void trackNode( int trackingID );
        int getCurrentTrackingID(){return _currentTrackingID;};
        void setTrackingIdUpdaterSlot(std::string updaterSlot){_updaterSlot=updaterSlot;};
        std::string getTrackingIdUpdaterSlot(){return _updaterSlot;};

private:
        class core_manipulatorCallback : public osg::NodeCallback
        {
        public: 
                /**
                 * \brief Constructor, for setting the member variables.
                 * 
                 * @param manipulators : Pointer to the manipulator and tracking class.
                 */ 
                core_manipulatorCallback(core_manipulator* manipulators):_manipulators(manipulators){};

                /**
                 * \brief This function is executed as callback during event traversal.
                 * 
                 */ 
                virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
        private:
                /** Pointer to the manipulator class to edit its value */
                core_manipulator* _manipulators;
        };

        /** Pointer to the callback isntalled to update the tracking ID */
        osg::ref_ptr<core_manipulatorCallback> _callback;

        /** core_manipulatorCallback must be a freind of this class to allow the callback to edit the member values of this class directly */ 
        friend class core_manipulatorCallback;

#ifdef USE_SPACENAVIGATOR
        /**
         * Spacemouse node tracker manipulator
         */ 
        osg::ref_ptr<NodeTrackerSpaceMouse> _mouseTrackerManip;

        /**
         * Space mouse hardware driver instance
         */ 
        SpaceMouse* _mouse;
#endif

        /**
         * This Matrix manipulator is used for controlling Camera by Nodes.
         */ 
        osg::ref_ptr<objectMountedManipulator> _objectMountedCameraManip;

        /**
         * Classical OSG NodeTrackerManipulator
         */ 
        osg::ref_ptr<osgGA::NodeTrackerManipulator> _nt;

        /**
         * ID of the currently tracked ID
         */ 
        int _currentTrackingID;

        /** Slotname to use for dynamic updated tracking ID. */
        std::string _updaterSlot;

        /**
         * Pointer to the  scene root node
         */ 
        osg::ref_ptr<osg::Node> _rootNode;

        /**
         * Referenced pointer to the applications viewer.
         */ 
        osg::ref_ptr<osgViewer::Viewer> _viewer;
};

}       // END NAMESPACE