Fix PagedLOD for random objects.

[simgear.git] / simgear / timing / timezone.h

diff --git a/simgear/timing/timezone.h b/simgear/timing/timezone.h
index ce3521befaaa0b548a9dce79746eb97d55186efa..76c62a326debd6e2d5b2ac670aa8551cf3c17b32 100644 (file)
--- a/simgear/timing/timezone.h
+++ b/simgear/timing/timezone.h
@@ -12,61 +12,93 @@
  * 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.
  *
  **************************************************************************/
 
-/*************************************************************************
+/** \file timezone.h
  *
- * Timezone is derived from geocoord, and stores the timezone centerpoint,
- * as well as the countrycode and the timezone descriptor. The latter is 
- * used in order to get the local time. 
+ * Provides SGTimeZone and SGTimeZoneContainer
  *
- ************************************************************************/
+ */
 
 #ifndef _TIMEZONE_H_
 #define _TIMEZONE_H_
 
-#include <stdio.h>
+#include <string>
+#include <vector>
 
-#include <simgear/timing/geocoord.h>
+#include <simgear/math/SGMath.hxx>
+#include <simgear/math/SGGeod.hxx>
+
+/**
+ * SGTimeZone stores the timezone centerpoint,
+ * as well as the countrycode and the timezone descriptor. The latter is 
+ * used in order to get the local time. 
+ *
+ */
 
-class Timezone : public GeoCoord
+class SGTimeZone
 {
+
 private:
-  char* countryCode;
-  char* descriptor;
+
+  SGVec3d centerpoint; // centre of timezone, in cartesian coordinates
+  std::string countryCode;
+  std::string descriptor;
 
 public:
-  Timezone() :
-    GeoCoord()
-    { 
-      countryCode = 0; 
-      descriptor = 0;
-    };
-  Timezone(float la, float lo, char* cc, char* desc);
-  Timezone(const char *infoString);
-  Timezone(const Timezone &other);
-  virtual ~Timezone() { delete [] countryCode; delete [] descriptor; };
-  
 
-  virtual void print() { printf("%s", descriptor);};
-  virtual char * getDescription() { return descriptor; };
+    /**
+     * Build a timezone object with a specifed latitude, longitude, country
+     * code, and descriptor
+     * @param pt centerpoint
+     * @param cc country code
+     * @param desc descriptor
+     */
+    SGTimeZone(const SGGeod& pt, char* cc, char* desc);
+
+    /**
+     * Build a timezone object from a textline in zone.tab
+     * @param infoString the textline from zone.tab
+     */
+    SGTimeZone(const char *infoString);
+
+    /**
+     * The copy constructor
+     * @param other the source object
+     */
+    SGTimeZone(const SGTimeZone &other);
+  
+    /**
+     * Return the descriptor string
+     * @return descriptor string (char array)
+     */
+    const char * getDescription() { return descriptor.c_str(); };
+    
+    const SGVec3d& cartCenterpoint() const
+    {
+      return centerpoint;
+    }
 };
 
-/************************************************************************
- * Timezone container is derived from GeoCoordContainer, and has some 
- * added functionality.
- ************************************************************************/
+/**
+ * SGTimeZoneContainer 
+ */
 
-class TimezoneContainer : public GeoCoordContainer
+class SGTimeZoneContainer
 {
- public:
-  TimezoneContainer(const char *filename);
-  virtual ~TimezoneContainer();
+public:
+  SGTimeZoneContainer(const char *filename);
+  ~SGTimeZoneContainer();
+  
+  SGTimeZone* getNearest(const SGGeod& ref) const;
+  
+private:
+  typedef std::vector<SGTimeZone*> TZVec;
+  TZVec zones;
 };