- implement progress information (enabled by default; can be turned off via

[flightgear.git] / src / Main / viewer.hxx

diff --git a/src/Main/viewer.hxx b/src/Main/viewer.hxx
index 890d351876b99c4cfac01d701e88278556e811ef..4a319edc361190b969791a909feef64fe2c9058f 100644 (file)
--- 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
@@ -34,12 +34,11 @@
 
 #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
 
@@ -49,7 +48,7 @@ enum fgViewType {
 };
 
 // Define a structure containing view information
-class FGViewer : public FGSubsystem {
+class FGViewer : public SGSubsystem {
 
 public:
 
@@ -63,17 +62,19 @@ public:
     // Constructor
     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 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 );
+              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 ();
@@ -89,6 +90,9 @@ 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).
@@ -242,11 +246,20 @@ 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;
     }
 
+    void set_scenery_center(const Point3D& center);
+
     //////////////////////////////////////////////////////////////////////
     // Part 5: misc setters and getters
     //////////////////////////////////////////////////////////////////////
@@ -285,6 +298,15 @@ private:
     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 FDM origin.  The X axis is positive
     // out the tail, Y is out the right wing, and Z is positive up.
     // distance in meters
@@ -314,6 +336,9 @@ private:
     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)
@@ -328,8 +353,14 @@ private:
     // 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;
 
@@ -376,6 +407,7 @@ private:
     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 ) {
@@ -389,6 +421,12 @@ private:
        _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;
     }