From: curt <curt>
Date: Wed, 5 Jul 2000 17:04:08 +0000 (+0000)
Subject: Initial revision.
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=92dd8981109e2ef7bd23282b43f836010a74c25d;p=flightgear.git

Initial revision.
---

diff --git a/src/Time/tmp.cxx b/src/Time/tmp.cxx
new file mode 100644
index 000000000..0d5b0cba8
--- /dev/null
+++ b/src/Time/tmp.cxx
@@ -0,0 +1,72 @@
+// tmp.cxx -- stuff I don't know what to do with at the moment
+//
+// Written by Curtis Olson, started July 2000.
+//
+// Copyright (C) 2000  Curtis L. Olson  - curt@flightgear.org
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <simgear/magvar/magvar.hxx>
+#include <simgear/timing/fg_time.hxx>
+
+#include <FDM/flight.hxx>
+#include <Main/options.hxx>
+
+#include "light.hxx"
+#include "moonpos.hxx"
+#include "sunpos.hxx"
+#include "tmp.hxx"
+
+
+FGMagVar::FGMagVar() {
+}
+
+FGMagVar::~FGMagVar() {
+}
+
+
+void FGMagVar::update( double lon, double lat, double alt_m, double jd ) {
+    // Calculate local magnetic variation
+    double field[6];
+    // cout << "alt_m = " << alt_m << endl;
+    magvar = SGMagVar( lat, lon, alt_m / 1000.0, (long)jd, field );
+    magdip = atan(field[5]/sqrt(field[3]*field[3]+field[4]*field[4]));
+}
+
+FGMagVar cur_magvar;
+
+
+// periodic time updater wrapper
+void fgUpdateLocalTime() {
+
+    FGTime::cur_time_params->updateLocal( cur_fdm_state->get_Longitude(),
+					  cur_fdm_state->get_Latitude(),
+					  current_options.get_fg_root() );
+}
+
+
+// update sky and lighting parameters
+void fgUpdateSkyAndLightingParams() {
+    fgUpdateSunPos();
+    fgUpdateMoonPos();
+    cur_light_params.Update();
+}
diff --git a/src/Time/tmp.hxx b/src/Time/tmp.hxx
new file mode 100644
index 000000000..5bbff299e
--- /dev/null
+++ b/src/Time/tmp.hxx
@@ -0,0 +1,65 @@
+// tmp.hxx -- stuff I don't know what to do with at the moment
+//
+// Written by Curtis Olson, started July 2000.
+//
+// Copyright (C) 2000  Curtis L. Olson  - curt@flightgear.org
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+
+#ifndef _TMP_HXX
+#define _TMP_HXX
+
+
+#ifndef __cplusplus                                                          
+# error This library requires C++
+#endif                                   
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+
+// periodic time updater
+void fgUpdateLocalTime();
+
+// update sky and lighting parameters
+void fgUpdateSkyAndLightingParams();
+
+class FGMagVar {
+
+private:
+
+    double magvar;
+    double magdip;
+
+public:
+
+    FGMagVar();
+    ~FGMagVar();
+
+    void update( double lon, double lat, double alt_m, double jd );
+
+    double get_magvar() const { return magvar; }
+    double get_magdip() const { return magdip; }
+};
+
+extern FGMagVar cur_magvar;
+
+
+#endif // _LIGHT_HXX