src/Environment/environment_mgr.cxx

   1 // environment-mgr.cxx -- manager for natural environment information.
   2 //
   3 // Written by David Megginson, started February 2002.
   4 //
   5 // Copyright (C) 2002  David Megginson - david@megginson.com
   6 //
   7 // This program is free software; you can redistribute it and/or
   8 // modify it under the terms of the GNU General Public License as
   9 // published by the Free Software Foundation; either version 2 of the
  10 // License, or (at your option) any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful, but
  13 // WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 // General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License
  18 // along with this program; if not, write to the Free Software
  19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 //
  21 // $Id$
  22
  23 #include <simgear/debug/logstream.hxx>
  24
  25 #include <Main/fg_props.hxx>
  26 #include <Aircraft/aircraft.hxx>
  27
  28 #include "environment_mgr.hxx"
  29
  30
  31 FGEnvironmentMgr::FGEnvironmentMgr ()
  32 {
  33   _environment = new FGEnvironment();
  34 }
  35
  36 FGEnvironmentMgr::~FGEnvironmentMgr ()
  37 {
  38   delete _environment;
  39 }
  40
  41 void
  42 FGEnvironmentMgr::init ()
  43 {
  44   SG_LOG( SG_GENERAL, SG_INFO, "Initializing environment subsystem");
  45 }
  46
  47 void
  48 FGEnvironmentMgr::bind ()
  49 {
  50   fgTie("/environment/visibility-m", _environment,
  51         &FGEnvironment::get_visibility_m, &FGEnvironment::set_visibility_m);
  52   fgSetArchivable("/environment/visibility-m");
  53   fgTie("/environment/wind-from-heading-deg", _environment,
  54         &FGEnvironment::get_wind_from_heading_deg,
  55         &FGEnvironment::set_wind_from_heading_deg);
  56   fgTie("/environment/wind-speed-kt", _environment,
  57         &FGEnvironment::get_wind_speed_kt, &FGEnvironment::set_wind_speed_kt);
  58   fgTie("/environment/wind-from-north-fps", _environment,
  59         &FGEnvironment::get_wind_from_north_fps,
  60         &FGEnvironment::set_wind_from_north_fps);
  61   fgSetArchivable("/environment/wind-from-north-fps");
  62   fgTie("/environment/wind-from-east-fps", _environment,
  63         &FGEnvironment::get_wind_from_east_fps,
  64         &FGEnvironment::set_wind_from_east_fps);
  65   fgSetArchivable("/environment/wind-from-east-fps");
  66   fgTie("/environment/wind-from-down-fps", _environment,
  67         &FGEnvironment::get_wind_from_down_fps,
  68         &FGEnvironment::set_wind_from_down_fps);
  69   fgSetArchivable("/environment/wind-from-down-fps");
  70 }
  71
  72 void
  73 FGEnvironmentMgr::unbind ()
  74 {
  75   fgUntie("/environment/visibility-m");
  76   fgUntie("/environment/wind-from-heading-deg");
  77   fgUntie("/environment/wind-speed-kt");
  78   fgUntie("/environment/wind-from-north-fps");
  79   fgUntie("/environment/wind-from-east-fps");
  80   fgUntie("/environment/wind-from-down-fps");
  81 }
  82
  83 void
  84 FGEnvironmentMgr::update (int dt)
  85 {
  86                                 // FIXME: the FDMs should update themselves
  87   current_aircraft.fdm_state
  88     ->set_Velocities_Local_Airmass(_environment->get_wind_from_north_fps(),
  89                                    _environment->get_wind_from_east_fps(),
  90                                    _environment->get_wind_from_down_fps());
  91 }
  92
  93 const FGEnvironment *
  94 FGEnvironmentMgr::getEnvironment () const
  95 {
  96   return _environment;
  97 }
  98
  99 const FGEnvironment *
 100 FGEnvironmentMgr::getEnvironment (double lat, double lon, double alt) const
 101 {
 102                                 // Always returns the same environment
 103                                 // for now; we'll make it interesting
 104                                 // later.
 105   return _environment;
 106 }
 107
 108 // end of environment-mgr.cxx