#include <stdlib.h>
#include <algorithm>
+#include <simgear/structure/exception.hxx>
+
#include <Main/fg_props.hxx>
+#include "environment_mgr.hxx"
#include "environment_ctrl.hxx"
SG_USING_STD(sort);
+// FIXME, from options.cxx
+extern void fgSetupWind (double min_hdg, double max_hdg, double speed, double gust);
+
\f
////////////////////////////////////////////////////////////////////////
}
+\f
+////////////////////////////////////////////////////////////////////////
+// Implementation of FGMetarEnvironmentCtrl.
+////////////////////////////////////////////////////////////////////////
+
+FGMetarEnvironmentCtrl::FGMetarEnvironmentCtrl ()
+ : env( new FGInterpolateEnvironmentCtrl ),
+ _icao( strdup( fgGetString("/sim/presets/airport-id") ) )
+{
+}
+
+FGMetarEnvironmentCtrl::~FGMetarEnvironmentCtrl ()
+{
+ if (_icao) {
+ free(_icao);
+ _icao = NULL;
+ }
+
+ delete env;
+ env = NULL;
+}
+
+
+void
+FGMetarEnvironmentCtrl::init ()
+{
+ if (_icao != NULL) {
+ free(_icao);
+ _icao = NULL;
+ }
+
+ fetch_data(_icao);
+ 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") );
+
+ fgSetDouble("/environment/visibility-m",
+ fgGetDouble("/environment/metar/min-visibility-m"));
+ fgSetDouble("/environment/temperature-degc",
+ fgGetDouble("/environment/metar/temperature-degc"));
+ fgSetDouble("/environment/dewpoint-degc",
+ fgGetDouble("/environment/metar/dewpoint-degc"));
+ fgSetDouble("/environment/pressure-inhg",
+ fgGetDouble("/environment/metar/pressure-inhg"));
+
+ env->init();
+}
+
+void
+FGMetarEnvironmentCtrl::reinit ()
+{
+#if 0
+ if (_icao != NULL) {
+ free(_icao);
+ _icao = NULL;
+ }
+
+ fetch_data(_icao);
+ 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") );
+
+ fgSetDouble("/environment/visibility-m",
+ fgGetDouble("/environment/metar/min-visibility-m"));
+ fgSetDouble("/environment/pressure-inhg",
+ fgGetDouble("/environment/metar/pressure-inhg"));
+
+ // FIXME: The following seem to egt overriden?
+ fgSetDouble("/environment/temperature-degc",
+ fgGetDouble("/environment/metar/temperature-degc"));
+ fgSetDouble("/environment/dewpoint-degc",
+ fgGetDouble("/environment/metar/dewpoint-degc"));
+#endif
+
+ env->reinit();
+}
+
+void
+FGMetarEnvironmentCtrl::update(double delta_time_sec)
+{
+ env->update(delta_time_sec);
+}
+
+void
+FGMetarEnvironmentCtrl::setEnvironment (FGEnvironment * environment)
+{
+ env->setEnvironment(environment);
+}
+
+void
+FGMetarEnvironmentCtrl::fetch_data (const char *icao)
+{
+ char s[128];
+ double d, dt;
+ int i;
+
+ if ((icao == NULL) && (_icao == NULL)) {
+ _icao = strdup( fgGetString("/sim/presets/airport-id") );
+
+ } else if (icao != NULL) {
+ if (_icao != NULL)
+ free(_icao);
+
+ _icao = strdup(icao);
+ }
+
+ SGMetar *m;
+ try {
+ m = new SGMetar(_icao);
+ } catch (const sg_io_exception& e) {
+ SG_LOG( SG_GENERAL, SG_WARN, "Error fetching live weather data: "
+ << e.getFormattedMessage().c_str() );
+ return;
+ }
+
+ d = m->getMinVisibility().getVisibility_m();
+ d = (d != SGMetarNaN) ? d : 10000;
+ fgSetDouble("/environment/metar/min-visibility-m", d);
+
+ dt = m->getMaxVisibility().getVisibility_m();
+ d = (dt != SGMetarNaN) ? dt : d;
+ fgSetDouble("/environment/metar/max-visibility-m", d);
+
+ 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";
+ char s[128];
+
+ d = dirvis->getVisibility_m();
+ d = (d != SGMetarNaN) ? d : 10000;
+
+ snprintf(s, 128, min, i);
+ fgSetDouble(s, d);
+ snprintf(s, 128, max, i);
+ fgSetDouble(s, d);
+ }
+
+ i = m->getWindDir();
+ if ( i == -1 ) {
+ fgSetInt("/environment/metar/base-wind-range-from",
+ m->getWindRangeFrom() );
+ fgSetInt("/environment/metar/base-wind-range-to",
+ m->getWindRangeTo() );
+ } else {
+ fgSetInt("/environment/metar/base-wind-range-from", i);
+ fgSetInt("/environment/metar/base-wind-range-to", i);
+ }
+ fgSetDouble("/environment/metar/base-wind-speed-kt",
+ m->getWindSpeed_kt() );
+
+ d = m->getGustSpeed_kt();
+ d = (d != SGMetarNaN) ? d : 0.0;
+ fgSetDouble("/environment/metar/gust-wind-speed-kt", d);
+
+ d = m->getTemperature_C();
+ if (d != SGMetarNaN) {
+ dt = m->getDewpoint_C();
+ dt = (dt != SGMetarNaN) ? dt : 0.0;
+ fgSetDouble("/environment/metar/dewpoint-degc", dt);
+ fgSetDouble("/environment/metar/rel-humidity-norm",
+ m->getRelHumidity() );
+ }
+ d = (d != SGMetarNaN) ? d : 15.0;
+ fgSetDouble("/environment/metar/temperature-degc", d);
+
+ d = m->getPressure_inHg();
+ d = (d != SGMetarNaN) ? d : 30.0;
+ fgSetDouble("/environment/metar/pressure-inhg", d);
+
+ vector<SGMetarCloud> cv = m->getClouds();
+ vector<SGMetarCloud>::iterator cloud;
+
+ const char *cl = "/environment/clouds/layer[%i]";
+ 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, i);
+ strncat(s, "/coverage", 128);
+ q = cloud->getCoverage();
+ q = (q != -1 ) ? q : 0;
+ fgSetString(s, coverage_string[q] );
+
+ snprintf(s, 128, cl, i);
+ strncat(s, "/elevation-ft", 128);
+ d = cloud->getAltitude_ft();
+ d = (d != SGMetarNaN) ? d : -9999;
+ fgSetDouble(s, d);
+
+ snprintf(s, 128, cl, i);
+ strncat(s, "/thickness-ft", 128);
+ fgSetDouble(s, thickness[q]);
+
+ snprintf(s, 128, cl, i);
+ strncat(s, "/span-m", 128);
+ fgSetDouble(s, 40000.0);
+ }
+ for (; i < FGEnvironmentMgr::MAX_CLOUD_LAYERS; i++) {
+ snprintf(s, 128, cl, i);
+ strncat(s, "/coverage", 128);
+ fgSetString(s, "clear");
+
+ snprintf(s, 128, cl, i);
+ strncat(s, "/elevation-ft", 128);
+ fgSetDouble(s, -9999);
+
+ snprintf(s, 128, cl, i);
+ strncat(s, "/thickness-ft", 128);
+ fgSetDouble(s, 0);
+
+ snprintf(s, 128, cl, i);
+ strncat(s, "/span-m", 128);
+ fgSetDouble(s, 40000.0);
+ }
+
+ delete m;
+}
+
+
// end of environment_ctrl.cxx
projects / flightgear.git / blobdiff