FGClouds::FGClouds(FGEnvironmentCtrl * controller) :
- station_elevation_ft(0.0),
- _controller( controller ),
- snd_lightning(NULL),
- rebuild_required(true),
+ snd_lightning(0),
+ _controller(controller),
+ station_elevation_ft(0.0),
+ clouds_3d_enabled(false),
last_scenario( "unset" ),
- last_env_config( new SGPropertyNode() ),
- last_env_clouds( new SGPropertyNode() )
+ last_env_config( new SGPropertyNode ),
+ last_env_clouds( new SGPropertyNode )
{
update_event = 0;
}
+
FGClouds::~FGClouds() {
}
int FGClouds::get_update_event(void) const {
return update_event;
}
+
void FGClouds::set_update_event(int count) {
update_event = count;
- build();
+ buildCloudLayers();
}
void FGClouds::init(void) {
soundMgr->add( snd_lightning, "thunder" );
sgEnviro.set_soundMgr( soundMgr );
}
-
- rebuild_required = true;
}
void FGClouds::buildCloud(SGPropertyNode *cloud_def_root, SGPropertyNode *box_def_root, const string& name, sgVec3 pos, SGCloudField *layer) {
int CloudVarietyCount = 0;
double totalCount = 0.0;
- if (! clouds_3d_enabled) return;
-
SGPropertyNode *cloud_def_root = fgGetNode("/environment/cloudlayers/clouds", false);
SGPropertyNode *box_def_root = fgGetNode("/environment/cloudlayers/boxes", false);
SGPropertyNode *layer_def_root = fgGetNode("/environment/cloudlayers/layers", false);
SGCloudField *layer = thesky->get_cloud_layer(iLayer)->get_layer3D();
-
layer->clear();
- // when we don't generate clouds the layer is rendered in 2D
- if( coverage == 0.0 )
- return;
- if( layer_def_root == NULL || cloud_def_root == NULL || box_def_root == NULL)
+ // If we don't have the required properties, then render the cloud in 2D
+ if ((! clouds_3d_enabled) || coverage == 0.0 ||
+ layer_def_root == NULL || cloud_def_root == NULL || box_def_root == NULL)
+ {
+ thesky->get_cloud_layer(iLayer)->set_enable3dClouds(false);
return;
-
+ }
+
+ // If we can't find a definition for this cloud type, then render the cloud in 2D
SGPropertyNode *layer_def=NULL;
-
layer_def = layer_def_root->getChild(name.c_str());
if( !layer_def ) {
if( name[2] == '-' ) {
layer_def = layer_def_root->getChild(base_name.c_str());
}
if( !layer_def )
- return;
+ {
+ thesky->get_cloud_layer(iLayer)->set_enable3dClouds(false);
+ return;
+ }
}
+ // At this point, we know we've got some 3D clouds to generate.
+ thesky->get_cloud_layer(iLayer)->set_enable3dClouds(true);
+
double grid_x_size = layer_def->getDoubleValue("grid-x-size", 1000.0);
double grid_y_size = layer_def->getDoubleValue("grid-y-size", 1000.0);
double grid_x_rand = layer_def->getDoubleValue("grid-x-rand", grid_x_size);
double x = px + grid_x_rand * (sg_random() - 0.5) - (SGCloudField::fieldSize / 2.0);
double y = py + grid_y_rand * (sg_random() - 0.5) - (SGCloudField::fieldSize / 2.0);
double z = grid_z_rand * (sg_random() - 0.5);
- double choice = sg_random();
-
- for(int i = 0; i < CloudVarietyCount ; i ++) {
- choice -= tCloudVariety[i].count * totalCount;
- if( choice <= 0.0 ) {
- sgVec3 pos={x,z,y};
- buildCloud(cloud_def_root, box_def_root, tCloudVariety[i].name, pos, layer);
- break;
- }
- }
+
+ if (sg_random() < coverage)
+ {
+ double choice = sg_random();
+
+ for(int i = 0; i < CloudVarietyCount ; i ++) {
+ choice -= tCloudVariety[i].count * totalCount;
+ if( choice <= 0.0 ) {
+ sgVec3 pos={x,z,y};
+
+ buildCloud(cloud_def_root,
+ box_def_root,
+ tCloudVariety[i].name,
+ pos,
+ layer);
+ break;
+ }
+ }
+ }
}
}
// Now we've built any clouds, enable them and set the density (coverage)
- layer->setCoverage(coverage);
- layer->applyCoverage();
+ //layer->setCoverage(coverage);
+ //layer->applyCoverage();
thesky->get_cloud_layer(iLayer)->set_enable3dClouds(clouds_3d_enabled);
}
-// TODO:call this after real metar updates
void FGClouds::buildCloudLayers(void) {
SGPropertyNode *metar_root = fgGetNode("/environment", true);
-
- double wind_speed_kt = metar_root->getDoubleValue("wind-speed-kt");
+
+ //double wind_speed_kt = metar_root->getDoubleValue("wind-speed-kt");
double temperature_degc = metar_root->getDoubleValue("temperature-sea-level-degc");
double dewpoint_degc = metar_root->getDoubleValue("dewpoint-sea-level-degc");
double pressure_mb = metar_root->getDoubleValue("pressure-sea-level-inhg") * SG_INHG_TO_PA / 100.0;
double cumulus_base = 122.0 * (temperature_degc - dewpoint_degc);
double stratus_base = 100.0 * (100.0 - rel_humidity) * SG_FEET_TO_METER;
- bool cu_seen = false;
-
for(int iLayer = 0 ; iLayer < thesky->get_cloud_layer_count(); iLayer++) {
SGPropertyNode *cloud_root = fgGetNode("/environment/clouds/layer", iLayer, true);
} else if( alt_ft > 6500 ) {
// layer_type = "as|ac|ns";
layer_type = "ac";
- if( pressure_mb < 1005.0 && coverage_norm >= 5.5 )
+ if( pressure_mb < 1005.0 && coverage_norm >= 0.5 )
layer_type = "ns";
} else {
// layer_type = "st|cu|cb|sc";
layer_type = "st";
} else {
// above formulae is far from perfect
- if ( alt_ft < 2000 )
+ if ( alt_ft < 2000 )
layer_type = "st";
else if( alt_ft < 4500 )
layer_type = "cu";
layer_type = "sc";
}
}
-
+
buildLayer(iLayer, layer_type, alt_m, coverage_norm);
}
}
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",
fgSetDouble("/environment/metar/max-visibility-m",
m->getMaxVisibility().getVisibility_m() );
+ SGPropertyNode *metar = fgGetNode("/environment/metar", true);
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();
+ for (i = 0; i < 8; i++, dirvis++) {
+ SGPropertyNode *vis = metar->getChild("visibility", i, true);
+ double v = dirvis->getVisibility_m();
- snprintf(s, 128, min, i);
- fgSetDouble(s, d);
- snprintf(s, 128, max, i);
- fgSetDouble(s, d);
+ vis->setDoubleValue("min-m", v);
+ vis->setDoubleValue("max-m", v);
}
fgSetInt("/environment/metar/base-wind-range-from",
m->getPressure_inHg() );
vector<SGMetarCloud> cv = m->getClouds();
- vector<SGMetarCloud>::const_iterator cloud;
+ vector<SGMetarCloud>::const_iterator cloud, cloud_end = cv.end();
// 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);
+ SGPropertyNode *metar_clouds = fgGetNode("/environment/metar/clouds", true);
+ SGPropertyNode *clouds = fgGetNode("/environment/clouds", true);
+
+ for (i = 0, cloud = cv.begin(); i < FGEnvironmentMgr::MAX_CLOUD_LAYERS; i++) {
+ const char *coverage_string[5] = { "clear", "few", "scattered", "broken", "overcast" };
+ const double thickness_value[5] = { 0, 65, 600, 750, 1000 };
+
+ const char *coverage = "clear";
+ double elevation = -9999.0;
+ double thickness = 0.0;
+ const double span = 40000.0;
+
+ if (cloud != cloud_end) {
+ int c = cloud->getCoverage();
+ coverage = coverage_string[c];
+ elevation = cloud->getAltitude_ft() + station_elevation_ft;
+ thickness = thickness_value[c];
+ ++cloud;
}
+
+ SGPropertyNode *layer;
+ layer = metar_clouds->getChild("layer", i, true);
+ layer->setStringValue("coverage", coverage);
+ layer->setDoubleValue("elevation-ft", elevation);
+ layer->setDoubleValue("thickness-ft", thickness);
+ layer->setDoubleValue("span-m", span);
+
+ layer = clouds->getChild("layer", i, true);
+ layer->setStringValue("coverage", coverage);
+ layer->setDoubleValue("elevation-ft", elevation);
+ layer->setDoubleValue("thickness-ft", thickness);
+ layer->setDoubleValue("span-m", span);
}
fgSetDouble("/environment/metar/rain-norm", m->getRain());
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" )
// fetch station elevation if exists
if( station == "XXXX" )
- station_elevation_ft = fgGetDouble("/position/ground-elev-m", 0.0);
+ station_elevation_ft = fgGetDouble("/position/ground-elev-m", 0.0) * SG_METER_TO_FEET;
else {
- const FGAirport* a = globals->get_airports()->search( station );
+ const FGAirport* a = FGAirport::findByIdent(station);
station_elevation_ft = (a ? a->getElevation() : 0.0);
}
station += " 011000Z ";
if( scenario == "Fair weather" ) {
- fakeMetar = "15003KT 12SM SCT033 FEW200 20/08 Q1015 NOSIG";
+ 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";
}
}
+void FGClouds::set_scenario(const char * sc) {
-void FGClouds::build() {
- string scenario = fgGetString("/environment/weather-scenario", "METAR");
-
- if(!rebuild_required && (scenario == last_scenario))
- return;
+ scenario = string(sc);
+
+// if(!rebuild_required && (scenario == last_scenario))
+// return;
if( last_scenario == "none" ) {
// save clouds and weather conditions
}
if( scenario == "METAR" ) {
+ // needed here to compute station_elevation_ft
+ buildScenario( scenario );
string realMetar = fgGetString("/environment/metar/real-metar", "");
if( realMetar != "" ) {
}
last_scenario = scenario;
- rebuild_required = false;
if( snd_lightning == NULL )
init();
}
+const char * FGClouds::get_scenario(void) const
+{
+ return scenario.c_str();
+}
+
void FGClouds::set_3dClouds(bool enable)
{
if (enable != clouds_3d_enabled) {
clouds_3d_enabled = enable;
-
- for(int iLayer = 0 ; iLayer < thesky->get_cloud_layer_count(); iLayer++) {
- thesky->get_cloud_layer(iLayer)->set_enable3dClouds(enable);
-
- if (!enable) {
- thesky->get_cloud_layer(iLayer)->get_layer3D()->clear();
- }
- }
-
- if (enable) {
- rebuild_required = true;
- build();
- }
+ buildCloudLayers();
}
}
projects / flightgear.git / blobdiff