Expose the color of the sun (which is not the scene specular color anymore)

simgear/scene/sky/oursun.cxx

@@ -419,6 +419,12 @@ bool SGSun::reposition( double rightAscension, double declination,
 
 SGVec4f
 SGSun::get_color()
+{
+    return SGVec4f((*sun_cl)[0][0], (*sun_cl)[0][1], (*sun_cl)[0][2], (*sun_cl)[0][3]);
+}
+
+SGVec4f
+SGSun::get_scene_color()
 {
     return SGVec4f((*scene_cl)[0][0], (*scene_cl)[0][1], (*scene_cl)[0][2], (*scene_cl)[0][3]);
 }

simgear/scene/sky/oursun.hxx

@@ -81,6 +81,7 @@ public:
 
     // retrun the current color of the sun
     SGVec4f get_color();
+    SGVec4f get_scene_color();
 };
 
 

simgear/scene/sky/sky.hxx

@@ -366,6 +366,11 @@ public:
      */
     inline SGVec4f get_sun_color() { return oursun->get_color(); }
 
+    /**
+     * Get the current scene color
+     */
+    inline SGVec4f get_scene_color() { return oursun->get_scene_color(); }
+
     /**
      * Add a cloud layer.
      *