X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Froute%2Fwaypoint.hxx;h=275d648e6811b822ed4941dd92d74eb1e3ebbe32;hb=7bdb530440d1dadc991f305edb1b70ec85f27451;hp=6f37fa566c65e733a9e1b1fe461c2f66710b9df2;hpb=733e6fa14ff507a1022ecab8d55cc9bf587bee40;p=simgear.git

diff --git a/simgear/route/waypoint.hxx b/simgear/route/waypoint.hxx
index 6f37fa56..275d648e 100644
--- a/simgear/route/waypoint.hxx
+++ b/simgear/route/waypoint.hxx
@@ -27,17 +27,12 @@
 #ifndef _WAYPOINT_HXX
 #define _WAYPOINT_HXX
 
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-
 #include <simgear/compiler.h>
 
-#include <string>
+#include <simgear/math/SGMath.hxx>
+#include <simgear/math/SGGeod.hxx>
 
-SG_USING_STD(string);
+#include <string>
 
 
 /**
@@ -57,27 +52,21 @@ public:
      *      the world is a perfect sphere.  This is less compuntationally
      *      expensive than using wgs84 math and still a fairly good
      *      approximation of the real world, especially over shorter distances.
-     * <li> CARTESIAN requests all math be done assuming the coordinates specify
-     *      position in a Z = up world.
      */
     enum modetype { 
 	WGS84 = 0,
-	SPHERICAL = 1,
-	CARTESIAN = 2
     };
 
 private:
-
-    modetype mode;
-
-    double target_lon;
-    double target_lat;
-    double target_alt;
-    double distance;
-
-    string id;
-    string name;
-
+    SGGeod pos;
+    std::string id;
+    std::string name;
+    
+  // route data associated with the waypoint
+    double _distance;
+    double _track;
+    double _speed;
+    
 public:
 
     /**
@@ -91,7 +80,12 @@ public:
      */
     SGWayPoint( const double lon = 0.0, const double lat = 0.0,
 		const double alt = 0.0, const modetype m = WGS84,
-		const string& s = "", const string& n = "" );
+		const std::string& s = "", const std::string& n = "" );
+  
+    /**
+     * Construct from a geodetic position, in WGS84 coordinates
+     */
+    SGWayPoint(const SGGeod& pos, const std::string& s, const std::string& n);
 
     /** Destructor */
     ~SGWayPoint();
@@ -112,6 +106,9 @@ public:
 			    const double cur_alt,
 			    double *course, double *dist ) const;
 
+    void CourseAndDistance(const SGGeod& current,
+			    double& course, double& dist ) const;
+
     /**
      * Calculate course and distances between a specified starting waypoint
      * and this waypoint.
@@ -122,17 +119,22 @@ public:
     void CourseAndDistance( const SGWayPoint &wp,
 			    double *course, double *dist ) const;
 
-    /** @return waypoint mode */
-    inline modetype get_mode() const { return mode; }
-
     /** @return waypoint longitude */
-    inline double get_target_lon() const { return target_lon; }
+    inline double get_target_lon() const { return pos.getLongitudeDeg(); }
 
     /** @return waypoint latitude */
-    inline double get_target_lat() const { return target_lat; }
+    inline double get_target_lat() const { return pos.getLatitudeDeg(); }
 
     /** @return waypoint altitude */
-    inline double get_target_alt() const { return target_alt; }
+    inline double get_target_alt() const { return pos.getElevationM(); }
+
+    inline const SGGeod& get_target() const { return pos; }
+
+    /**
+     *
+     */
+    inline void setTargetAltFt(double elev)
+    { pos.setElevationFt(elev); }
 
     /**
      * This value is not calculated by this class.  It is simply a
@@ -144,19 +146,25 @@ public:
      * is for your convenience only.
      * @return waypoint distance holder (what ever the user has stashed here)
      */
-    inline double get_distance() const { return distance; }
+    inline double get_distance() const { return _distance; }
 
     /**
      * Set the waypoint distance value to a value of our choice.
      * @param d distance 
      */
-    inline void set_distance( double d ) { distance = d; }
+    inline void set_distance( double d ) { _distance = d; }
+
+    inline double get_track() const { return _track; }
+    inline void set_track(double t) { _track = t; }
 
+    inline double get_speed() const { return _speed; }
+    inline void set_speed(double v) { _speed = v; }
+    
     /** @return waypoint id */
-    inline const string& get_id() const { return id; }
+    inline const std::string& get_id() const { return id; }
 
     /** @return waypoint name */
-    inline const string& get_name() const { return name; }
+    inline const std::string& get_name() const { return name; }
 
 };