-void
-FGClouds::update_env_config ()
-{
- fgSetupWind( fgGetDouble("/environment/metar/base-wind-range-from"),
- fgGetDouble("/environment/metar/base-wind-range-to"),
- fgGetDouble("/environment/metar/base-wind-speed-kt"),
- fgGetDouble("/environment/metar/gust-wind-speed-kt") );
-
- fgDefaultWeatherValue( "visibility-m",
- fgGetDouble("/environment/metar/min-visibility-m") );
-#if 0
- set_temp_at_altitude( fgGetDouble("/environment/metar/temperature-degc"),
- station_elevation_ft );
- set_dewpoint_at_altitude( fgGetDouble("/environment/metar/dewpoint-degc"),
- station_elevation_ft );
-#endif
- fgDefaultWeatherValue( "pressure-sea-level-inhg",
- fgGetDouble("/environment/metar/pressure-inhg") );
-}
-
-
-void FGClouds::setLayer( int iLayer, float alt_ft, const string& coverage, const string& layer_type ) {
- double coverage_norm = 0.0;
- if( coverage == "few" )
- coverage_norm = 2.0/8.0; // <1-2
- else if( coverage == "scattered" )
- coverage_norm = 4.0/8.0; // 3-4
- else if( coverage == "broken" )
- coverage_norm = 6.0/8.0; // 5-7
- else if( coverage == "overcast" )
- coverage_norm = 8.0/8.0; // 8
-
- buildLayer(iLayer, layer_type, station_elevation_ft + alt_ft * SG_FEET_TO_METER, coverage_norm);
-}
-
-void FGClouds::buildScenario( const string& scenario ) {
- string fakeMetar="";
- string station = fgGetString("/environment/metar/station-id", "XXXX");
-
- // fetch station elevation if exists
- if( station == "XXXX" )
- station_elevation_ft = fgGetDouble("/position/ground-elev-m", 0.0);
- else {
- const FGAirport* a = globals->get_airports()->search( station );
- station_elevation_ft = (a ? a->getElevation() : 0.0);
- }
-
- for(int iLayer = 0 ; iLayer < thesky->get_cloud_layer_count(); iLayer++) {
- thesky->get_cloud_layer(iLayer)
- ->setCoverage(SGCloudLayer::SG_CLOUD_CLEAR);
- thesky->get_cloud_layer(iLayer)->get_layer3D()->clear();
- }
-
- station += " 011000Z ";
- if( scenario == "Fair weather" ) {
- fakeMetar = "15003KT 12SM SCT033 FEW200 20/08 Q1015 NOSIG";
- setLayer(0, 3300.0, "scattered", "cu");
- } else if( scenario == "Thunderstorm" ) {
- fakeMetar = "15012KT 08SM TSRA SCT040 BKN070 20/12 Q0995";
- setLayer(0, 4000.0, "scattered", "cb");
- setLayer(1, 7000.0, "scattered", "ns");
- } else
- return;
- FGMetar *m = new FGMetar( station + fakeMetar );
- update_metar_properties( m );
- update_env_config();
- // propagate aloft tables
- _controller->reinit();
-
- fgSetString("/environment/metar/last-metar", m->getData());
- // TODO:desactivate real metar updates
- if( scenario == "Fair weather" ) {
- fgSetString("/environment/clouds/layer[1]/coverage", "cirrus");
- }
-}
-
-
-void FGClouds::build(void) {
- string scenario = fgGetString("/environment/weather-scenario", "METAR");
-
- if( scenario == last_scenario)
- return;
- if( last_scenario == "none" ) {
- // save clouds and weather conditions
- SGPropertyNode *param = fgGetNode("/environment/config", true);
- copyProperties( param, last_env_config );
- param = fgGetNode("/environment/clouds", true);
- copyProperties( param, last_env_clouds );
- }
- if( scenario == "METAR" ) {
- string realMetar = fgGetString("/environment/metar/real-metar", "");
- if( realMetar != "" ) {
- fgSetString("/environment/metar/last-metar", realMetar.c_str());
- FGMetar *m = new FGMetar( realMetar );
- update_metar_properties( m );
- update_env_config();
- // propagate aloft tables
- _controller->reinit();
- }
- buildMETAR();
- }
- else if( scenario == "none" ) {
- // restore clouds and weather conditions
- SGPropertyNode *param = fgGetNode("/environment/config", true);
- copyProperties( last_env_config, param );
- param = fgGetNode("/environment/clouds", true);
- copyProperties( last_env_clouds, param );
- fgSetDouble("/environment/metar/rain-norm", 0.0);
- fgSetDouble("/environment/metar/snow-norm", 0.0);
-// update_env_config();
- // propagate aloft tables
- _controller->reinit();
- buildMETAR();
- }
- else
- buildScenario( scenario );
- last_scenario = scenario;
-
- // ...
- if( snd_lightning == NULL )
- init();