#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 "fgfs.hxx"
-
-
#define FG_FOV_MIN 0.1
#define FG_FOV_MAX 179.9
+enum fgViewType {
+ FG_LOOKFROM = 0,
+ FG_LOOKAT = 1
+};
// Define a structure containing view information
-class FGViewer : public FGSubsystem {
+class FGViewer : public SGSubsystem {
public:
- enum fgViewType {
- FG_RPH = 0,
- FG_LOOKAT = 1,
- FG_HPR = 2
- };
-
enum fgScalingType { // nominal Field Of View actually applies to ...
FG_SCALING_WIDTH, // window width
- FG_SCALING_MAX, // max(width, height)
+ FG_SCALING_MAX // max(width, height)
// FG_SCALING_G_MEAN, // geometric_mean(width, height)
// FG_SCALING_INDEPENDENT // whole screen
};
// Constructor
- FGViewer( void );
+ FGViewer( fgViewType Type, bool from_model, int from_model_index,
+ bool at_model, int at_model_index,
+ double damp_roll, double damp_pitch, double damp_heading,
+ double x_offset_m, double y_offset_m, double z_offset_m,
+ double heading_offset_deg, double pitch_offset_deg,
+ double roll_offset_deg, double fov_deg,
+ double target_x_offset_m, double target_y_offset_m,
+ double target_z_offset_m, double near_m, bool internal );
// Destructor
virtual ~FGViewer( void );
//////////////////////////////////////////////////////////////////////
- // Part 1: standard FGSubsystem implementation.
+ // Part 1: standard SGSubsystem implementation.
//////////////////////////////////////////////////////////////////////
virtual void init ();
virtual void bind ();
virtual void unbind ();
- void update (int dt);
+ void update (double dt);
//////////////////////////////////////////////////////////////////////
virtual fgViewType getType() const { return _type; }
virtual void setType( int type );
+ virtual bool getInternal() const { return _internal; }
+ virtual void setInternal( bool internal );
+
// Reference geodetic position of view from position...
// These are the actual aircraft position (pilot in
// pilot view, model in model view).
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 void setXOffset_m (double x_offset_m);
virtual void setYOffset_m (double y_offset_m);
virtual void setZOffset_m (double z_offset_m);
+ virtual void setTargetXOffset_m (double x_offset_m);
+ virtual void setTargetYOffset_m (double y_offset_m);
+ virtual void setTargetZOffset_m (double z_offset_m);
virtual void setPositionOffsets (double x_offset_m,
double y_offset_m,
double z_offset_m);
virtual void setPitch_deg (double pitch_deg);
virtual void setHeading_deg (double heading_deg);
virtual void setOrientation (double roll_deg, double pitch_deg, double heading_deg);
+ virtual double getTargetRoll_deg () const { return _target_roll_deg; }
+ virtual double getTargetPitch_deg () const {return _target_pitch_deg; }
+ virtual double getTargetHeading_deg () const {return _target_heading_deg; }
+ virtual void setTargetRoll_deg (double roll_deg);
+ virtual void setTargetPitch_deg (double pitch_deg);
+ virtual void setTargetHeading_deg (double heading_deg);
+ virtual void setTargetOrientation (double roll_deg, double pitch_deg, double heading_deg);
// Matrices...
virtual const sgVec4 *get_VIEW() { if ( _dirty ) { recalc(); } return VIEW; }
- virtual const sgVec4 *get_VIEW_ROT() { if ( _dirty ) { recalc(); } return VIEW_ROT; }
- virtual const sgVec4 *get_COCKPIT_ROT() { if ( _dirty ) { recalc(); } return COCKPIT_ROT; }
virtual const sgVec4 *get_UP() { if ( _dirty ) { recalc(); } return UP; }
- // Public flags...
- virtual bool get_reverse_view_offset() const { return _reverse_view_offset; }
-
//////////////////////////////////////////////////////////////////////
- // Part 4: frustrum data setters and getters
+ // Part 4: View and frustrum data setters and getters
//////////////////////////////////////////////////////////////////////
virtual void set_fov( double fov_deg ) {
}
virtual double get_aspect_ratio() const { return _aspect_ratio; }
+ virtual double getNear_m () const { return _ground_level_nearplane_m; }
+ inline void setNear_m (double near_m) {
+ _ground_level_nearplane_m = near_m;
+ }
+
+ //////////////////////////////////////////////////////////////////////
+ // 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:
//////////////////////////////////////////////////////////////////
double _roll_deg;
double _pitch_deg;
double _heading_deg;
+ double _target_roll_deg;
+ double _target_pitch_deg;
+ double _target_heading_deg;
+
+ double _damp_sync;
+ double _damp_roll;
+ double _damp_pitch;
+ double _damp_heading;
+
+ double _damped_roll_deg;
+ double _damped_pitch_deg;
+ double _damped_heading_deg;
- // Position offsets from center of gravity. The X axis is positive
+ // 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;
+ // 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;
+
+
// orientation offsets from reference (_goal* are for smoothed transitions)
double _roll_offset_deg;
double _pitch_offset_deg;
double _goal_pitch_offset_deg;
double _goal_heading_offset_deg;
+ // used to set nearplane when at ground level for this view
+ double _ground_level_nearplane_m;
+
fgViewType _type;
fgScalingType _scaling_type;
+ // internal view (e.g. cockpit) flag
+ bool _internal;
+
+ // view is looking from a model
+ bool _from_model;
+ int _from_model_index; // number of model (for multi model)
+
+ // view is looking at a model
+ 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;
// top of the aircraft
sgVec3 _view_up;
-// // the vector pointing straight out the nose of the aircraft
-// sgVec3 _view_forward;
-
// sg versions of our friendly matrices
- sgMat4 VIEW, VIEW_ROT, UP, COCKPIT_ROT;
- sgMat4 LOCAL, TRANS, LARC_TO_SSG;
+ sgMat4 VIEW, UP;
+ sgMat4 LOCAL, ATLOCAL, TRANS, LARC_TO_SSG;
// Transformation matrix for the view direction offset relative to
// the AIRCRAFT matrix
//////////////////////////////////////////////////////////////////
void recalc ();
- void recalcPositionVectors (double lon_deg, double lat_deg, double alt_ft) const;
-
- inline void set_dirty() { _dirty = true; }
- inline void set_clean() { _dirty = false; }
-
- // from lookat
- void fgMakeLookAtMat4 ( sgMat4 dst, const sgVec3 eye, const sgVec3 center,
- const sgVec3 up );
-
- // from rph
- void fgMakeViewRot( sgMat4 dst, const sgMat4 m1, const sgMat4 m2 );
- void fgMakeLOCAL( sgMat4 dst, const double Theta,
- const double Phi, const double Psi);
-
+ 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);
// add to _heading_offset_deg
inline void incHeadingOffset_deg( double amt ) {
_pitch_offset_deg += amt;
}
+ // add to _roll_offset_deg
+ inline void incRollOffset_deg( double amt ) {
+ set_dirty();
+ _roll_offset_deg += amt;
+ }
+
inline void set_reverse_view_offset( bool val ) {
_reverse_view_offset = val;
}
-
-// public:
-
-
- //////////////////////////////////////////////////////////////////////
- // setter functions
- //////////////////////////////////////////////////////////////////////
-
-// inline void set_sea_level_radius( double r ) {
-// // data should be in meters from the center of the earth
-// set_dirty();
-// sea_level_radius = r;
-// }
-
-
- //////////////////////////////////////////////////////////////////////
- // accessor functions
- //////////////////////////////////////////////////////////////////////
-// inline int get_type() const { return _type ; }
-// inline int is_a( int t ) const { return get_type() == t ; }
-// inline bool is_dirty() const { return _dirty; }
-// inline double get_sea_level_radius() const { return sea_level_radius; }
-
- //////////////////////////////////////////////////////////////////////
- // derived values accessor functions
- //////////////////////////////////////////////////////////////////////
-
};
#endif // _VIEWER_HXX
-
-
-
-
projects / flightgear.git / blobdiff