-// copy from FGMetarEnvironmentCtrl until better
-void
-FGClouds::update_metar_properties( const FGMetar *m )
-{
- int i;
- int j;
- double d;
- char s[128];
-
- fgSetString("/environment/metar/station-id", m->getId());
- fgSetDouble("/environment/metar/min-visibility-m",
- m->getMinVisibility().getVisibility_m() );
- fgSetDouble("/environment/metar/max-visibility-m",
- m->getMaxVisibility().getVisibility_m() );
-
- const SGMetarVisibility *dirvis = m->getDirVisibility();
- for (i = 0; i < 8; i++, dirvis++) {
- const char *min = "/environment/metar/visibility[%d]/min-m";
- const char *max = "/environment/metar/visibility[%d]/max-m";
-
- d = dirvis->getVisibility_m();
-
- snprintf(s, 128, min, i);
- fgSetDouble(s, d);
- snprintf(s, 128, max, i);
- fgSetDouble(s, d);
- }
-
- fgSetInt("/environment/metar/base-wind-range-from",
- m->getWindRangeFrom() );
- fgSetInt("/environment/metar/base-wind-range-to",
- m->getWindRangeTo() );
- fgSetDouble("/environment/metar/base-wind-speed-kt",
- m->getWindSpeed_kt() );
- fgSetDouble("/environment/metar/gust-wind-speed-kt",
- m->getGustSpeed_kt() );
- fgSetDouble("/environment/metar/temperature-degc",
- m->getTemperature_C() );
- fgSetDouble("/environment/metar/dewpoint-degc",
- m->getDewpoint_C() );
- fgSetDouble("/environment/metar/rel-humidity-norm",
- m->getRelHumidity() );
- fgSetDouble("/environment/metar/pressure-inhg",
- m->getPressure_inHg() );
-
- vector<SGMetarCloud> cv = m->getClouds();
- vector<SGMetarCloud>::const_iterator cloud;
-
- // Load into both the METAR and environment properties to stop interpolation
- const char *cl[] = {"/environment/metar/clouds/layer[%i]",
- "/environment/clouds/layer[%i]"};
-
- for (j = 0; j < 2; j++)
- {
- for (i = 0, cloud = cv.begin(); cloud != cv.end(); cloud++, i++) {
- const char *coverage_string[5] =
- { "clear", "few", "scattered", "broken", "overcast" };
- const double thickness[5] = { 0, 65, 600,750, 1000};
- int q;
-
- snprintf(s, 128, cl[j], i);
- strncat(s, "/coverage", 128);
- q = cloud->getCoverage();
- fgSetString(s, coverage_string[q] );
-
- snprintf(s, 128, cl[j], i);
- strncat(s, "/elevation-ft", 128);
- fgSetDouble(s, cloud->getAltitude_ft() + station_elevation_ft);
-
- snprintf(s, 128, cl[j], i);
- strncat(s, "/thickness-ft", 128);
- fgSetDouble(s, thickness[q]);
-
- snprintf(s, 128, cl[j], i);
- strncat(s, "/span-m", 128);
- fgSetDouble(s, 40000.0);
- }
-
- for (; i < FGEnvironmentMgr::MAX_CLOUD_LAYERS; i++) {
-
-
- snprintf(s, 128, cl[j], i);
- strncat(s, "/coverage", 128);
- fgSetString(s, "clear");
-
- snprintf(s, 128, cl[j], i);
- strncat(s, "/elevation-ft", 128);
- fgSetDouble(s, -9999);
-
- snprintf(s, 128, cl[j], i);
- strncat(s, "/thickness-ft", 128);
- fgSetDouble(s, 0);
-
- snprintf(s, 128, cl[j], i);
- strncat(s, "/span-m", 128);
- fgSetDouble(s, 40000.0);
- }
- }
-
- fgSetDouble("/environment/metar/rain-norm", m->getRain());
- fgSetDouble("/environment/metar/hail-norm", m->getHail());
- fgSetDouble("/environment/metar/snow-norm", m->getSnow());
- fgSetBool("/environment/metar/snow-cover", m->getSnowCover());
-}
-
-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 SCT041 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:de-activate real metar updates
- if( scenario == "Fair weather" ) {
- fgSetString("/environment/clouds/layer[1]/coverage", "cirrus");
- }
-}
-
-void FGClouds::set_scenario(const char * sc) {
-
- scenario = string(sc);
-
-// if(!rebuild_required && (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();
- buildCloudLayers();
- }
- }
- 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();
- buildCloudLayers();
- }
- else {
- buildScenario( scenario );
- _controller->reinit();
- buildCloudLayers();
- }
-
- last_scenario = scenario;
-
- if( snd_lightning == NULL )
- init();
-}
-
-const char * FGClouds::get_scenario(void) const
-{
- return scenario.c_str();
-}
-