X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Ftiming%2Fsg_time.hxx;h=78d04863811f9b3dff0ae01a57d8eb5e8be40903;hb=1f585d67199896749f5f532657d17afe586f6615;hp=24175e2e569e22e73a141b5f5ecbc810b34e4d9d;hpb=f196d3bab86056af0732a826ef1757ed219a0b5d;p=simgear.git

diff --git a/simgear/timing/sg_time.hxx b/simgear/timing/sg_time.hxx
index 24175e2e..78d04863 100644
--- a/simgear/timing/sg_time.hxx
+++ b/simgear/timing/sg_time.hxx
@@ -17,10 +17,9 @@
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 // Library General Public License for more details.
 //
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-// Boston, MA  02111-1307, USA.
+// 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 // $Id$
 
@@ -29,22 +28,21 @@
 #define _SG_TIME_HXX
 
 
-#ifndef __cplusplus                                                          
+#ifndef __cplusplus
 # error This library requires C++
-#endif                                   
+#endif
 
 
 #include <simgear/compiler.h>
 
-#ifdef SG_HAVE_STD_INCLUDES
-#  include <ctime>
-#else
-#  include <time.h>
-#endif
-
-#include <simgear/timing/timezone.h>
-
+#include <ctime>
+#include <memory> // for std::auto_ptr
+#include <string>
 
+// forward decls
+class SGPath;
+class SGGeod;
+ 
 /**
  * A class to calculate and manage a variety of time parameters.
  * The SGTime class provides many real-world time values. It
@@ -68,21 +66,15 @@
 class SGTime {
 
 private:
-    // tzContainer stores all the current Timezone control points/
-    SGTimeZoneContainer* tzContainer;
 
     // Points to the current local timezone name;
-    string zonename;
+    std::string zonename;
 
     // Unix "calendar" time in seconds
     time_t cur_time;
 
     // Break down of equivalent GMT time
-#if defined(_MSC_VER) || defined(__MINGW32__)
     struct tm m_gmt;    // copy of system gmtime(&time_t) structure
-#else
-    struct tm *gmt;
-#endif
 
     // offset of local time relative to GMT
     time_t local_offset;
@@ -105,7 +97,7 @@ private:
     double gst_diff;
 
     /** init common constructor code */
-    void init( double lon_rad, double lat_rad, const string& root,
+    void init( const SGGeod& location, const SGPath& root,
                time_t init_time );
 
 public:
@@ -129,14 +121,14 @@ public:
      * @param root root path point to data file location (timezone, etc.)
      * @param init_time provide an initialization time, 0 means use
               current clock time */
-    SGTime( double lon_rad, double lat_rad, const string& root,
-            time_t init_time );
+    SGTime( const SGGeod& location, const SGPath& root,
+               time_t init_time );
 
     /**
      * Create an instance given a data file path.
      * @param root root path point to data file location (timezone, etc.)
      */
-    SGTime( const string& root );
+    SGTime( const SGPath& root );
 
     /** Destructor */
     ~SGTime();
@@ -154,7 +146,7 @@ public:
               clock time
      * @param warp an optional time offset specified in seconds.  This
      *        allows us to advance or rewind "time" if we choose to.  */
-    void update( double lon_rad, double lat_rad, time_t ct, long int warp );
+    void update( const SGGeod& location, time_t ct, long int warp );
 
     /**
      * Given lon/lat, update timezone information and local_offset
@@ -166,7 +158,7 @@ public:
      * @param lon_rad current longitude (radians)
      * @param lat_rad current latitude (radians)
      * @param root base path containing time zone directory */
-    void updateLocal( double lon_rad, double lat_rad, const string& root );
+    void updateLocal( const SGGeod& location, const std::string& root );
 
     /** @return current system/unix time in seconds */
     inline time_t get_cur_time() const { return cur_time; };
@@ -175,11 +167,7 @@ public:
     inline const char * get_zonename() const { return zonename.c_str(); }
 
     /** @return GMT in a "brokent down" tm structure */
-#if defined(_MSC_VER) || defined(__MINGW32__)
     inline struct tm* getGmt()const { return (struct tm *)&m_gmt; };
-#else
-    inline struct tm* getGmt()const { return gmt; };
-#endif
 
     /** @return julian date */
     inline double getJD() const { return jd; };
@@ -192,6 +180,9 @@ public:
 
     /** @return grenich side real time (lst when longitude == 0) */
     inline double getGst() const { return gst; };
+
+    /** @return offset in seconds to local timezone time */
+    inline time_t get_local_offset() const { return local_offset; };
 };