//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _VIEWER_HXX
-#define _VIEWER_HXX
+#define _VIEWER_HXX
+namespace flightgear
+{
+class CameraGroup;
+}
-#ifndef __cplusplus
-# error This library requires C++
-#endif
+#include <osg/ref_ptr>
#include <simgear/compiler.h>
#include <simgear/constants.h>
#include <simgear/structure/subsystem_mgr.hxx>
-#include <simgear/scene/model/location.hxx>
-
-#include <plib/sg.h> // plib include
+#include <simgear/math/SGMath.hxx>
#define FG_FOV_MIN 0.1
#define FG_FOV_MAX 179.9
// pilot view, model in model view).
// FIXME: the model view position (ie target positions)
// should be in the model class.
- virtual double getLongitude_deg () const { return _lon_deg; }
- virtual double getLatitude_deg () const { return _lat_deg; }
- virtual double getAltitudeASL_ft () const { return _alt_ft; }
- virtual void setLongitude_deg (double lon_deg);
- virtual void setLatitude_deg (double lat_deg);
- virtual void setAltitude_ft (double alt_ft);
virtual void setPosition (double lon_deg, double lat_deg, double alt_ft);
+ const SGGeod& getPosition() const { return _position; }
// Reference geodetic target position...
- virtual double getTargetLongitude_deg () const { return _target_lon_deg; }
- virtual double getTargetLatitude_deg () const { return _target_lat_deg; }
- virtual double getTargetAltitudeASL_ft () const { return _target_alt_ft; }
- virtual void setTargetLongitude_deg (double lon_deg);
- virtual void setTargetLatitude_deg (double lat_deg);
- virtual void setTargetAltitude_ft (double alt_ft);
virtual void setTargetPosition (double lon_deg, double lat_deg, double alt_ft);
-
+ const SGGeod& getTargetPosition() const { return _target; }
// orientation rotations listed below. This has the effect of the
// eye moving around and "looking at" the object (model) from
// different angles.
- virtual double getXOffset_m () const { return _x_offset_m; }
- virtual double getYOffset_m () const { return _y_offset_m; }
- virtual double getZOffset_m () const { return _z_offset_m; }
- virtual double getTargetXOffset_m () const { return _target_x_offset_m; }
- virtual double getTargetYOffset_m () const { return _target_y_offset_m; }
- virtual double getTargetZOffset_m () const { return _target_z_offset_m; }
+ virtual double getXOffset_m () const { return _offset_m.x(); }
+ virtual double getYOffset_m () const { return _offset_m.y(); }
+ virtual double getZOffset_m () const { return _offset_m.z(); }
+ virtual double getTargetXOffset_m () const { return _target_offset_m.x(); }
+ virtual double getTargetYOffset_m () const { return _target_offset_m.y(); }
+ virtual double getTargetZOffset_m () const { return _target_offset_m.z(); }
virtual void setXOffset_m (double x_offset_m);
virtual void setYOffset_m (double y_offset_m);
virtual void setZOffset_m (double z_offset_m);
// Vectors and positions...
- // Get zero view_pos
- virtual float * get_view_pos() {if ( _dirty ) { recalc(); } return _view_pos; }
- // Get the absolute view position in fgfs coordinates.
- virtual double * get_absolute_view_pos ();
- // Get zero elev
- virtual float * get_zero_elev() {if ( _dirty ) { recalc(); } return _zero_elev; }
- // Get world up vector
- virtual float *get_world_up() {if ( _dirty ) { recalc(); } return _world_up; }
- // Get the relative (to scenery center) view position in fgfs coordinates.
- virtual float * getRelativeViewPos ();
- // Get the absolute zero-elevation view position in fgfs coordinates.
- virtual float * getZeroElevViewPos ();
- // Get surface east vector
- virtual float *get_surface_east() { if ( _dirty ) { recalc(); } return _surface_east; }
- // Get surface south vector
- virtual float *get_surface_south() {if ( _dirty ) { recalc(); } return _surface_south; }
-
- // Matrices...
- virtual const sgVec4 *get_VIEW() { if ( _dirty ) { recalc(); } return VIEW; }
- virtual const sgVec4 *get_UP() { if ( _dirty ) { recalc(); } return UP; }
+ const SGVec3d& get_view_pos() { if ( _dirty ) { recalc(); } return _absolute_view_pos; }
+ const SGVec3d& getViewPosition() { if ( _dirty ) { recalc(); } return _absolute_view_pos; }
+ const SGQuatd& getViewOrientation() { if ( _dirty ) { recalc(); } return mViewOrientation; }
+ const SGQuatd& getViewOrientationOffset() { if ( _dirty ) { recalc(); } return mViewOffsetOr; }
//////////////////////////////////////////////////////////////////////
// Part 4: View and frustrum data setters and getters
_ground_level_nearplane_m = near_m;
}
- void set_scenery_center(const Point3D& center);
-
//////////////////////////////////////////////////////////////////////
// Part 5: misc setters and getters
//////////////////////////////////////////////////////////////////////
inline void set_dirty() { _dirty = true; }
inline void set_clean() { _dirty = false; }
- // return eye location...
- virtual SGLocation * getSGLocation () const { return _location; }
-
-
private:
//////////////////////////////////////////////////////////////////
// flag forcing a recalc of derived view parameters
bool _dirty;
- mutable sgdVec3 _absolute_view_pos;
- mutable sgVec3 _relative_view_pos;
- mutable sgVec3 _zero_elev_view_pos;
+ SGQuatd mViewOrientation;
+ SGQuatd mViewOffsetOr;
+ SGVec3d _absolute_view_pos;
- double _lon_deg;
- double _lat_deg;
- double _alt_ft;
- double _target_lon_deg;
- double _target_lat_deg;
- double _target_alt_ft;
+ SGGeod _position;
+ SGGeod _target;
double _roll_deg;
double _pitch_deg;
// Position offsets from FDM origin. The X axis is positive
// out the tail, Y is out the right wing, and Z is positive up.
// distance in meters
- double _x_offset_m;
- double _y_offset_m;
- double _z_offset_m;
+ SGVec3d _offset_m;
// Target offsets from FDM origin (for "lookat" targets) The X
// axis is positive out the tail, Y is out the right wing, and Z
// is positive up. distance in meters
- double _target_x_offset_m;
- double _target_y_offset_m;
- double _target_z_offset_m;
+ SGVec3d _target_offset_m;
// orientation offsets from reference (_goal* are for smoothed transitions)
bool _at_model;
int _at_model_index; // number of model (for multi model)
- SGLocation * _location;
- SGLocation * _target_location;
-
// the nominal field of view (angle, in degrees)
- double _fov_deg;
+ double _fov_deg;
// Ratio of window width and height; height = width *
// aspect_ratio. This value is automatically calculated based on
// window dimentions.
- double _aspect_ratio;
+ double _aspect_ratio;
// default = 1.0, this value is user configurable and is
// multiplied into the aspect_ratio to get the actual vertical fov
double _aspect_ratio_multiplier;
- bool _reverse_view_offset;
-
- // view position in opengl world coordinates (this is the
- // abs_view_pos translated to scenery.center)
- sgVec3 _view_pos;
-
- // cartesion coordinates of current lon/lat if at sea level
- // translated to scenery.center
- sgVec3 _zero_elev;
-
- // surface vector heading south
- sgVec3 _surface_south;
-
- // surface vector heading east (used to unambiguously align sky
- // with sun)
- sgVec3 _surface_east;
-
- // world up vector (normal to the plane tangent to the earth's
- // surface at the spot we are directly above
- sgVec3 _world_up;
-
- // up vector for the view (usually point straight up through the
- // top of the aircraft
- sgVec3 _view_up;
-
- // sg versions of our friendly matrices
- sgMat4 VIEW, UP;
- sgMat4 LOCAL, ATLOCAL, TRANS, LARC_TO_SSG;
-
- // Transformation matrix for the view direction offset relative to
- // the AIRCRAFT matrix
- sgMat4 VIEW_OFFSET;
-
+ // camera group controled by this view
+ osg::ref_ptr<flightgear::CameraGroup> _cameraGroup;
//////////////////////////////////////////////////////////////////
// private functions //
//////////////////////////////////////////////////////////////////
void recalc ();
void recalcLookFrom();
void recalcLookAt();
- void copyLocationData();
- void updateFromModelLocation (SGLocation * location);
- void updateAtModelLocation (SGLocation * location);
- void recalcOurOwnLocation (SGLocation * location, double lon_deg, double lat_deg, double alt_ft,
- double roll_deg, double pitch_deg, double heading_deg);
- void dampEyeData (double &roll_deg, double &pitch_deg, double &heading_deg);
+ void dampEyeData(double &roll_deg, double &pitch_deg, double &heading_deg);
// add to _heading_offset_deg
inline void incHeadingOffset_deg( double amt ) {
_roll_offset_deg += amt;
}
- inline void set_reverse_view_offset( bool val ) {
- _reverse_view_offset = val;
- }
-
};
projects / flightgear.git / blobdiff