+void SGEnviro::setLight(SGVec4f adj_fog_color) {
+ // OSGFIXME
+ return;
+ fog_color = adj_fog_color;
+ if( false ) {
+ // ssgGetLight( 0 ) -> setColour( GL_DIFFUSE, l->scene_diffuse() );
+ }
+}
+#if 0
+void SGEnviro::callback_cloud(float heading, float alt, float radius, int family, float dist, int cloudId) {
+ // send data to wx radar
+ // compute turbulence
+ // draw precipitation
+ // draw lightning
+ // compute illumination
+
+ // http://www.pilotfriend.com/flight_training/weather/THUNDERSTORM%20HAZARDS1.htm
+ double turbulence = 0.0;
+ if( dist < radius * radius * 2.25f ) {
+ switch(family) {
+ case SGNewCloud::CLFamilly_st:
+ turbulence = 0.2;
+ break;
+ case SGNewCloud::CLFamilly_ci:
+ case SGNewCloud::CLFamilly_cs:
+ case SGNewCloud::CLFamilly_cc:
+ case SGNewCloud::CLFamilly_ac:
+ case SGNewCloud::CLFamilly_as:
+ turbulence = 0.1;
+ break;
+ case SGNewCloud::CLFamilly_sc:
+ turbulence = 0.3;
+ break;
+ case SGNewCloud::CLFamilly_ns:
+ turbulence = 0.4;
+ break;
+ case SGNewCloud::CLFamilly_cu:
+ turbulence = 0.5;
+ break;
+ case SGNewCloud::CLFamilly_cb:
+ turbulence = 0.6;
+ break;
+ }
+ // full turbulence inside cloud, half in the vicinity
+ if( dist > radius * radius )
+ turbulence *= 0.5;
+ if( turbulence > cloud_turbulence )
+ cloud_turbulence = turbulence;
+ // we can do 'local' precipitations too
+ }
+
+ // convert to LWC for radar (experimental)
+ // http://www-das.uwyo.edu/~geerts/cwx/notes/chap08/moist_cloud.html
+ double LWC = 0.0;
+ switch(family) {
+ case SGNewCloud::CLFamilly_st:
+ LWC = 0.29;
+ break;
+ case SGNewCloud::CLFamilly_cu:
+ LWC = 0.27;
+ break;
+ case SGNewCloud::CLFamilly_cb:
+ LWC = 2.0;
+ break;
+ case SGNewCloud::CLFamilly_sc:
+ LWC = 0.44;
+ break;
+ case SGNewCloud::CLFamilly_ci:
+ LWC = 0.03;
+ break;
+ // no data
+ case SGNewCloud::CLFamilly_cs:
+ case SGNewCloud::CLFamilly_cc:
+ case SGNewCloud::CLFamilly_ac:
+ case SGNewCloud::CLFamilly_as:
+ LWC = 0.03;
+ break;
+ case SGNewCloud::CLFamilly_ns:
+ LWC = 0.29*2.0;
+ break;
+ }
+
+ // add to the list for the wxRadar instrument
+ if( LWC > 0.0 )
+ radarEcho.push_back( SGWxRadarEcho ( heading, alt, radius, dist, LWC, false, cloudId ) );
+
+ // NB:data valid only from cockpit view
+
+ // spawn a new lightning
+ if(lightning_enable_state && min_time_before_lt <= 0.0 && (family == SGNewCloud::CLFamilly_cb) &&
+ dist < 15000.0 * 15000.0 && sg_random() > 0.9f) {
+ double lat, lon;
+ SGVec3d orig, dest;
+ orig.setlat(last_lat * SG_DEGREES_TO_RADIANS );
+ orig.setlon(last_lon * SG_DEGREES_TO_RADIANS );
+ orig.setelev(0.0);
+ dist = sgSqrt(dist);
+ dest = calc_gc_lon_lat(orig, heading, dist);
+ lon = dest.lon() * SG_RADIANS_TO_DEGREES;
+ lat = dest.lat() * SG_RADIANS_TO_DEGREES;
+ addLightning( lon, lat, alt );
+
+ // reset timer
+ min_time_before_lt = 5.0 + sg_random() * 30;
+ // DEBUG only
+// min_time_before_lt = 5.0;
+ }
+ if( (alt - radius * 0.1) > precipitation_max_alt )
+ switch(family) {
+ case SGNewCloud::CLFamilly_st:
+ case SGNewCloud::CLFamilly_cu:
+ case SGNewCloud::CLFamilly_cb:
+ case SGNewCloud::CLFamilly_ns:
+ case SGNewCloud::CLFamilly_sc:
+ precipitation_max_alt = alt - radius * 0.1;
+ break;
+ }
+}
+
+#endif
+
+list_of_SGWxRadarEcho *SGEnviro::get_radar_echo(void) {
+ return &radarEcho;
+}
+
+// precipitation rendering code
+void SGEnviro::DrawCone2(float baseRadius, float height, int slices, bool down, double rain_norm, double speed) {
+ // OSGFIXME
+ return;
+}
+
+void SGEnviro::drawRain(double pitch, double roll, double heading, double hspeed, double rain_norm) {
+ // OSGFIXME
+ return;
+}
+
+void SGEnviro::set_sampleGroup(SGSampleGroup *sgr) {
+ sampleGroup = sgr;
+}
+
+void SGEnviro::drawPrecipitation(double rain_norm, double snow_norm, double hail_norm, double pitch, double roll, double heading, double hspeed) {
+ // OSGFIXME
+ return;
+ if( precipitation_enable_state && rain_norm > 0.0)
+ if( precipitation_max_alt >= last_alt )
+ drawRain(pitch, roll, heading, hspeed, rain_norm);
+}
+
+
+SGLightning::SGLightning(double _lon, double _lat, double _alt) :
+ nb_tree(0),
+ lon(_lon),
+ lat(_lat),
+ alt(_alt),
+ age(1.0 + sg_random() * 4.0)
+{
+// sequence_count = 1 + sg_random() * 5.0;
+ lt_build();
+}
+
+SGLightning::~SGLightning() {
+}
+
+// lightning rendering code
+void SGLightning::lt_build_tree_branch(int tree_nr, SGVec3d &start, float energy, int nbseg, float segsize) {
+ // OSGFIXME
+ return;
+}
+
+void SGLightning::lt_build(void) {
+ // OSGFIXME
+ return;
+}
+
+
+void SGLightning::lt_Render(void) {
+ // OSGFIXME
+ return;
+}
+
+void SGEnviro::addLightning(double lon, double lat, double alt) {
+ // OSGFIXME
+ return;
+ if( lightnings.size() > 10)
+ return;
+ SGLightning *lt= new SGLightning(lon, lat, alt);
+ lightnings.push_back(lt);
+}
+
+void SGEnviro::drawLightning(void) {
+ // OSGFIXME
+ return;
+}
+
+
+void SGEnviro::setFOV( float w, float h ) {
+ fov_width = w;
+ fov_height = h;
+}
+
+void SGEnviro::getFOV( float &w, float &h ) {
+ w = fov_width;
+ h = fov_height;
+}