keyboard-manipulator.h

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#ifndef GEPETTO_VIEWER_FPSMANIPULATOR_H
#define GEPETTO_VIEWER_FPSMANIPULATOR_H
//
//  KeyboardManipulator
//  gepetto-viewer
//
//  Alternative CameraManipulator for OSG, use keyboard and mouse
//  KeyBinding are inspired by the classic system in games
//
//  Created by Pierre Fernbach in january 2016
//
 
#include <osg/Camera>
#include <osgGA/FirstPersonManipulator>
#include <osgViewer/GraphicsWindow>
#include <osgViewer/Viewer>
 
namespace osgGA {
 
const double startSpeed_ = 2.;
class OSGGA_EXPORT KeyboardManipulator : public FirstPersonManipulator {
  typedef FirstPersonManipulator inherited;
 
 public:
  KeyboardManipulator(int flags = DEFAULT_SETTINGS);
  KeyboardManipulator(const KeyboardManipulator& fpm,
                      const osg::CopyOp& copyOp = osg::CopyOp::SHALLOW_COPY);
  KeyboardManipulator(osgViewer::GraphicsWindow* window,
                      int flags = DEFAULT_SETTINGS);
 
  META_Object(osgGA, KeyboardManipulator);
 
 protected:
  virtual bool handleKeyDown(const osgGA::GUIEventAdapter& ea,
                             osgGA::GUIActionAdapter& us);
  virtual bool handleKeyUp(const osgGA::GUIEventAdapter& ea,
                           osgGA::GUIActionAdapter& us);
  virtual bool handleFrame(const osgGA::GUIEventAdapter& ea,
                           osgGA::GUIActionAdapter& us);
  virtual bool handleMousePush(const osgGA::GUIEventAdapter& ea,
                               osgGA::GUIActionAdapter& us);
  virtual bool handleMouseRelease(const osgGA::GUIEventAdapter& ea,
                                  osgGA::GUIActionAdapter& us);
  //  virtual bool handleMouseWheel( const GUIEventAdapter& ea,
  //  GUIActionAdapter& us );
  virtual bool performMovementLeftMouseButton(const double eventTimeDelta,
                                              const double dx, const double dy);
 
  virtual void rotateRoll(const double roll /*,const osg::Vec3d& localUp */);
  virtual void getUsage(osg::ApplicationUsage& usage) const;
  bool initKeyboard();
 
 private:
  double speed_;
  double speedX_;
  double speedY_;
  double speedZ_;
  double speedRoll_;
  /*  double zNear_;
    double zFar_;
    double fovy_;
    double ratio_;*/
  osg::Quat rotateRoll_;
  // osg::Quat rotatePitch_;
  // osg::Quat rotateYaw_;
  osg::Vec3d localUp_;
  int keyLayout_;
 
  // osg::Camera* camera_;
  osgViewer::GraphicsWindow* gWindow_;
  // Display *display_;
  int keycode_;
  bool rightClic_;
  bool ctrl_;
  bool shift_;
  bool noRoll_;
 
};  // end class
 
/*
 * zqsd for azerty keyboard, if qwerty keyboard is detected, the keySym will be
 * modified
 * */
enum KeyBinding {
  key_forward = GUIEventAdapter::KEY_W,  // depend on qwerty / azerty
  key_backward = GUIEventAdapter::KEY_S,
  key_right = GUIEventAdapter::KEY_D,
  key_left = GUIEventAdapter::KEY_A,
  key_roll_right = GUIEventAdapter::KEY_E,
  key_roll_left = GUIEventAdapter::KEY_Q,
  key_up = GUIEventAdapter::KEY_Space,
  key_down = GUIEventAdapter::KEY_V
};
 
enum keyLayout { LAYOUT_unknown, LAYOUT_azerty, LAYOUT_qwerty };
}  // namespace osgGA
#endif  // FPSMANIPULATOR_H