148 lines
4.1 KiB
Plaintext
148 lines
4.1 KiB
Plaintext
#ifndef OSGGLUT_VIEWER
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#define OSGGLUT_VIEWER 1
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#include <osg/OSG>
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#include <osg/GeoState>
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#include <osg/Scene>
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#include <osg/Light>
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#include <osg/DCS>
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#include <osg/GL>
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#include <osg/NodeVisitor>
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#include <osg/Geode>
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#include <osg/Timer>
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#include <osgUtil/GUIEventAdapter>
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#include <osgUtil/CameraManipulator>
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#include <osgUtil/SceneView>
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#include <osgGLUT/Export>
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#ifdef SGV_USE_RTFS
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#include <rtfs/rtfs.h>
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#endif
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#include <string>
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#ifdef OSG_USE_IO_DOT_H
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#include <iostream.h>
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#else
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#include <iostream>
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using namespace std;
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#endif
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namespace osgGLUT{
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/** A basic viewer base class which provides a window, simple keyboard and mouse interaction.
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* Please note, this viewer class has been developed via a rather haphazzard
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* path and *needs* a total rewrite. It currently surfices for osg demo's
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* but shouldn't be viewed as the be all or end of osg viewer classes.
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* Someone please rewrite it :-)
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*/
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class OSGGLUT_EXPORT Viewer : public osgUtil::GUIActionAdapter
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{
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public:
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Viewer();
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virtual ~Viewer();
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virtual bool init( osg::Node* );
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virtual bool run();
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// called on each frame redraw..
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virtual bool update();
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virtual bool traverse();
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virtual bool draw();
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// initialize the clock.
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long initClock();
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// time since initClock() in seconds.
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float clockSeconds() { return _timer.delta_s(_initialTick,clockTick()); }
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// update the number of ticks since the last frame update.
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osg::Timer_t updateFrameTick();
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// time from the current frame update and the previous one in seconds.
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float frameSeconds() { return _timer.delta_s(_lastFrameTick,_frameTick); }
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float frameRate() { return 1.0f/frameSeconds(); }
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void help(ostream& fout);
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// hande multiple camera.
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void registerCameraManipulator(osgUtil::CameraManipulator* cm);
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void selectCameraManipulator(unsigned int pos);
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// derived from osgUtil::GUIActionAdapter
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virtual void needRedraw(bool /*needed*/) {} // redraw always done.
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virtual void needContinuousUpdate(bool /*needed*/) {} // continous update always
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virtual void needWarpPointer(int x,int y);
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protected:
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static void displayCB();
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static void reshapeCB(GLint w, GLint h);
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static void visibilityCB(int state);
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static void mouseMotionCB(int x, int y);
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static void mousePassiveMotionCB(int x, int y);
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static void mouseCB(int button, int state, int x, int y);
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static void keyboardCB(unsigned char key, int x, int y );
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virtual void display();
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virtual void reshape(GLint w, GLint h);
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virtual void visibility(int state);
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virtual void mouseMotion(int x, int y);
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virtual void mousePassiveMotion(int x, int y);
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virtual void mouse(int button, int state, int x, int y);
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virtual void keyboard(unsigned char key, int x, int y);
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static Viewer* s_theViewer;
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osg::ref_ptr<osgUtil::SceneView> _sceneView;
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typedef std::vector<osg::ref_ptr<osgUtil::CameraManipulator> > CameraManipList;
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osg::ref_ptr<osgUtil::CameraManipulator> _cameraManipulator;
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CameraManipList _cameraManipList;
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std::string _saveFileName;
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int ww, wh;
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#ifdef SGV_USE_RTFS
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unsigned int frame_rate;
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RTfs *fs;
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#endif
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bool _viewFrustumCullingActive;
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bool _smallFeatureCullingActive;
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int mx, my, mbutton;
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int polymode;
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int texture;
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int backface;
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int lighting;
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int flat_shade;
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int _two_sided_lighting;
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bool fullscreen;
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int _saved_ww,_saved_wh;
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bool _printStats;
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bool _useDisplayLists;
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osg::Timer _timer;
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osg::Timer_t _tickRatePerSecond;
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osg::Timer_t _initialTick;
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osg::Timer_t _lastFrameTick;
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osg::Timer_t _frameTick;
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// system tick.
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osg::Timer_t clockTick();
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osg::Timer_t frameTick();
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};
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}
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#endif // SG_VIEWIER_H
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