X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Fviewer.hxx;h=aa5fb12125d0727e202be729b8cbbdf9df4cda9c;hb=c56c520ab5baa9e5cb1c651bc0ac887aab1637f0;hp=ce321645038447800f7027c55b57fea1ca980850;hpb=42a5ee93d79c5adb76c3a3a94d056fdbcaf7e913;p=flightgear.git diff --git a/src/Main/viewer.hxx b/src/Main/viewer.hxx index ce3216450..aa5fb1212 100644 --- a/src/Main/viewer.hxx +++ b/src/Main/viewer.hxx @@ -5,7 +5,7 @@ // 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 @@ -19,62 +19,68 @@ // // 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 #include #include - -#include // plib include - -#include "fgfs.hxx" - -#include
+#include +#include #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 ); + 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 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); ////////////////////////////////////////////////////////////////////// @@ -84,28 +90,20 @@ public: 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). // 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; } @@ -121,12 +119,18 @@ public: // 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 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); + 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); @@ -194,29 +198,13 @@ public: // 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: frustrum data setters and getters + // Part 4: View and frustrum data setters and getters ////////////////////////////////////////////////////////////////////// virtual void set_fov( double fov_deg ) { @@ -231,14 +219,25 @@ public: } 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; + } + ////////////////////////////////////////////////////////////////////// // Part 5: misc setters and getters ////////////////////////////////////////////////////////////////////// inline void set_dirty() { _dirty = true; } inline void set_clean() { _dirty = false; } - - + private: ////////////////////////////////////////////////////////////////// @@ -248,16 +247,12 @@ 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; @@ -266,12 +261,25 @@ private: 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; + 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 + SGVec3d _target_offset_m; + // orientation offsets from reference (_goal* are for smoothed transitions) double _roll_offset_deg; @@ -281,9 +289,15 @@ private: 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) @@ -292,57 +306,28 @@ private: bool _at_model; int _at_model_index; // number of model (for multi model) - FGLocation * _location; - FGLocation * _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 + // Ratio of window width and height; height = width * + // aspect_ratio. This value is automatically calculated based on + // window dimentions. double _aspect_ratio; - 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, TRANS, LARC_TO_SSG; - - // Transformation matrix for the view direction offset relative to - // the AIRCRAFT matrix - sgMat4 VIEW_OFFSET; + // 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; + // camera group controled by this view + osg::ref_ptr _cameraGroup; ////////////////////////////////////////////////////////////////// // private functions // ////////////////////////////////////////////////////////////////// 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, - double roll_deg, double pitch_deg, double heading_deg); + void recalcLookFrom(); + void recalcLookAt(); + void dampEyeData(double &roll_deg, double &pitch_deg, double &heading_deg); // add to _heading_offset_deg inline void incHeadingOffset_deg( double amt ) { @@ -356,8 +341,10 @@ private: _pitch_offset_deg += amt; } - inline void set_reverse_view_offset( bool val ) { - _reverse_view_offset = val; + // add to _roll_offset_deg + inline void incRollOffset_deg( double amt ) { + set_dirty(); + _roll_offset_deg += amt; } };