+// ephemeris.cxx -- wrap SGEphemeris code in a subsystem
+//
+// Written by James Turner, started June 2010.
+//
+// Copyright (C) 2010 Curtis L. Olson - http://www.flightgear.org/~curt
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// 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.
+//
+// $Id$
+
#include <Environment/ephemeris.hxx>
#include <simgear/timing/sg_time.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
+static void tieStar(const char* prop, Star* s, double (Star::*getter)() const)
+{
+ fgGetNode(prop, true)->tie(SGRawValueMethods<Star, double>(*s, getter, NULL));
+}
+
Ephemeris::Ephemeris() :
_impl(NULL),
_latProp(NULL)
void Ephemeris::init()
{
- if (_impl) {
- return;
- }
-
SGPath ephem_data_path(globals->get_fg_root());
ephem_data_path.append("Astro");
_impl = new SGEphemeris(ephem_data_path.c_str());
globals->set_ephem(_impl);
-}
-void Ephemeris::postinit()
-{
+ tieStar("/ephemeris/sun/xs", _impl->get_sun(), &Star::getxs);
+ tieStar("/ephemeris/sun/ys", _impl->get_sun(), &Star::getys);
+ tieStar("/ephemeris/sun/ze", _impl->get_sun(), &Star::getze);
+ tieStar("/ephemeris/sun/ye", _impl->get_sun(), &Star::getye);
+ tieStar("/ephemeris/sun/lat-deg", _impl->get_sun(), &Star::getLat);
+
+ _latProp = fgGetNode("/position/latitude-deg", true);
update(0.0);
}
-static void tieStar(const char* prop, Star* s, double (Star::*getter)() const)
+void Ephemeris::postinit()
{
- fgGetNode(prop, true)->tie(SGRawValueMethods<Star, double>(*s, getter, NULL));
-}
+
+}
void Ephemeris::bind()
{
- _latProp = fgGetNode("/position/latitude-deg", true);
-
- tieStar("/ephemeris/sun/xs", _impl->get_sun(), &Star::getxs);
- tieStar("/ephemeris/sun/ys", _impl->get_sun(), &Star::getys);
- tieStar("/ephemeris/sun/ze", _impl->get_sun(), &Star::getze);
- tieStar("/ephemeris/sun/ye", _impl->get_sun(), &Star::getye);
-
- tieStar("/ephemeris/sun/lat-deg", _impl->get_sun(), &Star::getLat);
}
void Ephemeris::unbind()