X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Fviewer.hxx;h=7005e661ff6b029f44e08a70b48855a058d4b872;hb=571f7301f2b0b493f90769baa0728f82fa8ea731;hp=455f8f1fd4fd9f9b7bd10b28d9aee612f7057ec1;hpb=2fa160d41a92b3ca1b574d3cb39dc7a823fc89dd;p=flightgear.git

diff --git a/src/Main/viewer.hxx b/src/Main/viewer.hxx
index 455f8f1fd..7005e661f 100644
--- a/src/Main/viewer.hxx
+++ b/src/Main/viewer.hxx
@@ -25,12 +25,7 @@
 
 
 #ifndef _VIEWER_HXX
-#define _VIEWER_HXX
-
-
-#ifndef __cplusplus                                                          
-# error This library requires C++
-#endif                                   
+#define _VIEWER_HXX                                
 
 namespace flightgear
 {
@@ -103,13 +98,9 @@ public:
     //   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 _position.getLongitudeDeg(); }
-    virtual double getLatitude_deg () const { return _position.getLatitudeDeg(); }
- 
     virtual void setPosition (double lon_deg, double lat_deg, double alt_ft);
     const SGGeod& getPosition() const { return _position; }
 
-
     // Reference geodetic target position...
     virtual void setTargetPosition (double lon_deg, double lat_deg, double alt_ft);
     const SGGeod& getTargetPosition() const { return _target; }
@@ -128,6 +119,7 @@ public:
     //   orientation rotations listed below.  This has the effect of the 
     //   eye moving around and "looking at" the object (model) from 
     //   different angles.
+    virtual SGVec3d getOffset_m () const { return _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(); }
@@ -210,6 +202,7 @@ public:
     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
@@ -256,6 +249,7 @@ private:
     bool _dirty;
 
     SGQuatd mViewOrientation;
+    SGQuatd mViewOffsetOr;
     SGVec3d _absolute_view_pos;
 
     SGGeod _position;