// partially rewritten by Jim Wilson jim@kelcomaine.com using interface
// by David Megginson March 2002
//
-// Copyright (C) 1997 - 2000 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 1997 - 2000 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
#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"
-
-#include <Main/location.hxx>
-
#define FG_FOV_MIN 0.1
#define FG_FOV_MAX 179.9
enum fgViewType {
FG_LOOKFROM = 0,
- FG_LOOKAT = 1,
+ FG_LOOKAT = 1
};
// Define a structure containing view information
-class FGViewer : public FGSubsystem {
+class FGViewer : public SGSubsystem {
public:
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( fgViewType Type, bool from_model, int from_model_index,
- bool at_model, int at_model_index, double x_offset_m,
- double y_offset_m, double z_offset_m, double near_m );
+ 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 aspect_ratio_multiplier,
+ 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 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 double get_aspect_ratio() const { return _aspect_ratio; }
+ virtual void set_aspect_ratio_multiplier( double m ) {
+ _aspect_ratio_multiplier = m;
+ }
+ virtual double get_aspect_ratio_multiplier() const {
+ return _aspect_ratio_multiplier;
+ }
+
virtual double getNear_m () const { return _ground_level_nearplane_m; }
inline void setNear_m (double near_m) {
_ground_level_nearplane_m = near_m;
inline void set_dirty() { _dirty = true; }
inline void set_clean() { _dirty = false; }
+
+ // return eye location...
+ virtual SGLocation * getSGLocation () const { return _location; }
private:
mutable sgdVec3 _absolute_view_pos;
mutable sgVec3 _relative_view_pos;
- mutable sgVec3 _zero_elev_view_pos;
double _lon_deg;
double _lat_deg;
double _target_pitch_deg;
double _target_heading_deg;
- // Position offsets from center of gravity. The X axis is positive
+ 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 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;
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)
bool _at_model;
int _at_model_index; // number of model (for multi model)
- FGLocation * _location;
- FGLocation * _target_location;
+ SGLocation * _location;
+ SGLocation * _target_location;
// the nominal field of view (angle, in degrees)
double _fov_deg;
- // ratio of window width and height; height = width * aspect_ratio
- double _aspect_ratio;
+ // Ratio of window width and height; height = width *
+ // aspect_ratio. This value is automatically calculated based on
+ // window dimentions.
+ 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;
// sg versions of our friendly matrices
sgMat4 VIEW, UP;
- sgMat4 LOCAL, TRANS, LARC_TO_SSG;
+ 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;
- void updateFromModelLocation (FGLocation * location);
- void recalcOurOwnLocation (double lon_deg, double lat_deg, double alt_ft,
+ 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;
}
projects / flightgear.git / blobdiff