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.hxx"
  29 #include "environment_ctrl.hxx"
  30 #include "environment_mgr.hxx"
  31
  32
  33 FGEnvironmentMgr::FGEnvironmentMgr ()
  34   : _environment(new FGEnvironment),
  35     _controller(new FGUserDefEnvironmentCtrl)
  36 {
  37 }
  38
  39 FGEnvironmentMgr::~FGEnvironmentMgr ()
  40 {
  41   delete _environment;
  42   delete _controller;
  43 }
  44
  45 void
  46 FGEnvironmentMgr::init ()
  47 {
  48   SG_LOG( SG_GENERAL, SG_INFO, "Initializing environment subsystem");
  49   _controller->setEnvironment(_environment);
  50   _controller->init();
  51 }
  52
  53 void
  54 FGEnvironmentMgr::bind ()
  55 {
  56   fgTie("/environment/visibility-m", _environment,
  57         &FGEnvironment::get_visibility_m, &FGEnvironment::set_visibility_m);
  58   fgSetArchivable("/environment/visibility-m");
  59   fgTie("/environment/temperature-sea-level-degc", _environment,
  60         &FGEnvironment::get_temperature_sea_level_degc,
  61         &FGEnvironment::set_temperature_sea_level_degc);
  62   fgSetArchivable("/environment/temperature-sea-level-degc");
  63   fgTie("/environment/temperature-degc", _environment,
  64         &FGEnvironment::get_temperature_degc,
  65         &FGEnvironment::set_temperature_degc);
  66   fgSetArchivable("/environment/temperature-degc");
  67   fgTie("/environment/pressure-sea-level-inhg", _environment,
  68         &FGEnvironment::get_pressure_sea_level_inhg,
  69         &FGEnvironment::set_pressure_sea_level_inhg);
  70   fgSetArchivable("/environment/pressure-sea-level-inhg");
  71   fgTie("/environment/pressure-inhg", _environment,
  72         &FGEnvironment::get_pressure_inhg,
  73         &FGEnvironment::set_pressure_inhg);
  74   fgSetArchivable("/environment/pressure-inhg");
  75   fgTie("/environment/density-sea-level-slugft3", _environment,
  76         &FGEnvironment::get_density_sea_level_slugft3,
  77         &FGEnvironment::set_density_sea_level_slugft3);
  78   fgSetArchivable("/environment/density-sea-level-slugft3");
  79   fgTie("/environment/density-slugft3", _environment,
  80         &FGEnvironment::get_density_slugft3,
  81         &FGEnvironment::set_density_slugft3);
  82   fgSetArchivable("/environment/density-inhg");
  83   fgTie("/environment/wind-from-heading-deg", _environment,
  84         &FGEnvironment::get_wind_from_heading_deg,
  85         &FGEnvironment::set_wind_from_heading_deg);
  86   fgTie("/environment/wind-speed-kt", _environment,
  87         &FGEnvironment::get_wind_speed_kt, &FGEnvironment::set_wind_speed_kt);
  88   fgTie("/environment/wind-from-north-fps", _environment,
  89         &FGEnvironment::get_wind_from_north_fps,
  90         &FGEnvironment::set_wind_from_north_fps);
  91   fgSetArchivable("/environment/wind-from-north-fps");
  92   fgTie("/environment/wind-from-east-fps", _environment,
  93         &FGEnvironment::get_wind_from_east_fps,
  94         &FGEnvironment::set_wind_from_east_fps);
  95   fgSetArchivable("/environment/wind-from-east-fps");
  96   fgTie("/environment/wind-from-down-fps", _environment,
  97         &FGEnvironment::get_wind_from_down_fps,
  98         &FGEnvironment::set_wind_from_down_fps);
  99   fgSetArchivable("/environment/wind-from-down-fps");
 100 }
 101
 102 void
 103 FGEnvironmentMgr::unbind ()
 104 {
 105   fgUntie("/environment/visibility-m");
 106   fgUntie("/environment/wind-from-heading-deg");
 107   fgUntie("/environment/wind-speed-kt");
 108   fgUntie("/environment/wind-from-north-fps");
 109   fgUntie("/environment/wind-from-east-fps");
 110   fgUntie("/environment/wind-from-down-fps");
 111 }
 112
 113 void
 114 FGEnvironmentMgr::update (double dt)
 115 {
 116   _controller->update(dt);
 117                                 // FIXME: the FDMs should update themselves
 118   current_aircraft.fdm_state
 119     ->set_Velocities_Local_Airmass(_environment->get_wind_from_north_fps(),
 120                                    _environment->get_wind_from_east_fps(),
 121                                    _environment->get_wind_from_down_fps());
 122   _environment->set_elevation_ft(fgGetDouble("/position/altitude-ft"));
 123 }
 124
 125 FGEnvironment
 126 FGEnvironmentMgr::getEnvironment () const
 127 {
 128   return *_environment;
 129 }
 130
 131 FGEnvironment
 132 FGEnvironmentMgr::getEnvironment (double lat, double lon, double alt) const
 133 {
 134                                 // Always returns the same environment
 135                                 // for now; we'll make it interesting
 136                                 // later.
 137   FGEnvironment env = *_environment;
 138   env.set_elevation_ft(alt);
 139   return env;
 140 }
 141
 142 // end of environment-mgr.cxx