Added touchdown zone lights and reil lights.
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curt
parent
49ba2555d9
commit
1e15eae599
1 changed files with 225 additions and 20 deletions
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@ -347,6 +347,109 @@ static superpoly_list gen_runway_center_line_lights( const FGRunway& rwy_info,
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}
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// generate touch down zone lights
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static FGSuperPoly gen_touchdown_zone_lights( const FGRunway& rwy_info,
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float alt_m, bool recip )
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{
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point_list lights; lights.clear();
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point_list normals; normals.clear();
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int i;
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cout << "gen touchdown zone lights " << rwy_info.rwy_no << endl;
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Point3D normal;
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// using FGPolygon is a bit innefficient, but that's what the
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// routine returns.
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FGPolygon poly_corners = gen_runway_area_w_expand( rwy_info, 0.0, 0.0 );
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point_list corner;
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for ( i = 0; i < poly_corners.contour_size( 0 ); ++i ) {
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corner.push_back( poly_corners.get_pt( 0, i ) );
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}
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// determine the start point.
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Point3D ref;
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double length_hdg, left_hdg;
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double lon, lat, r;
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if ( recip ) {
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ref = (corner[0] + corner[1]) / 2;
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length_hdg = rwy_info.heading + 180.0;
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if ( length_hdg > 360.0 ) { length_hdg -= 360.0; }
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} else {
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ref = (corner[2] + corner[3]) / 2;
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length_hdg = rwy_info.heading;
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}
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left_hdg = length_hdg - 90.0;
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if ( left_hdg < 0 ) { left_hdg += 360.0; }
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cout << "length hdg = " << length_hdg
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<< " left heading = " << left_hdg << endl;
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normal = gen_runway_light_vector( rwy_info, 3.0, recip );
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for ( i = 0; i < 30; ++i ) {
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// offset 100' upwind
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geo_direct_wgs_84 ( alt_m, ref.lat(), ref.lon(), length_hdg,
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100 * SG_FEET_TO_METER, &lat, &lon, &r );
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ref = Point3D( lon, lat, 0.0 );
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Point3D pt1 = ref;
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// left side bar
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geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
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36 * SG_FEET_TO_METER, &lat, &lon, &r );
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pt1 = Point3D( lon, lat, 0.0 );
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lights.push_back( pt1 );
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normals.push_back( normal );
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geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
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5 * SG_FEET_TO_METER, &lat, &lon, &r );
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pt1 = Point3D( lon, lat, 0.0 );
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lights.push_back( pt1 );
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normals.push_back( normal );
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geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
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5 * SG_FEET_TO_METER, &lat, &lon, &r );
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pt1 = Point3D( lon, lat, 0.0 );
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lights.push_back( pt1 );
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normals.push_back( normal );
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pt1 = ref;
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// right side bar
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geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
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-36 * SG_FEET_TO_METER, &lat, &lon, &r );
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pt1 = Point3D( lon, lat, 0.0 );
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lights.push_back( pt1 );
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normals.push_back( normal );
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geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
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-5 * SG_FEET_TO_METER, &lat, &lon, &r );
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pt1 = Point3D( lon, lat, 0.0 );
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lights.push_back( pt1 );
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normals.push_back( normal );
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geo_direct_wgs_84 ( alt_m, pt1.lat(), pt1.lon(), left_hdg,
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-5 * SG_FEET_TO_METER, &lat, &lon, &r );
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pt1 = Point3D( lon, lat, 0.0 );
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lights.push_back( pt1 );
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normals.push_back( normal );
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}
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FGPolygon lights_poly; lights_poly.erase();
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FGPolygon normals_poly; normals_poly.erase();
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lights_poly.add_contour( lights, false );
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normals_poly.add_contour( normals, false );
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FGSuperPoly result;
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result.set_poly( lights_poly );
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result.set_normals( normals_poly );
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result.set_material( "RWY_WHITE_LIGHTS" );
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return result;
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}
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// generate a simple 2 bar VASI for a 3 degree approach
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static FGSuperPoly gen_vasi( const FGRunway& rwy_info, float alt_m,
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bool recip )
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@ -574,6 +677,87 @@ static FGSuperPoly gen_papi( const FGRunway& rwy_info, float alt_m,
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}
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// generate REIL lights
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static FGSuperPoly gen_reil( const FGRunway& rwy_info, float alt_m,
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bool recip )
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{
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point_list lights; lights.clear();
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point_list normals; normals.clear();
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int i;
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cout << "gen reil " << rwy_info.rwy_no << endl;
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Point3D normal;
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// using FGPolygon is a bit innefficient, but that's what the
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// routine returns.
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FGPolygon poly_corners = gen_runway_area_w_expand( rwy_info, 0.0, 0.0 );
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point_list corner;
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for ( i = 0; i < poly_corners.contour_size( 0 ); ++i ) {
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corner.push_back( poly_corners.get_pt( 0, i ) );
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}
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// determine the start point.
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Point3D ref1, ref2;
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double length_hdg, left_hdg;
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double lon, lat, r;
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if ( recip ) {
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ref1 = corner[0];
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ref2 = corner[1];
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length_hdg = rwy_info.heading + 180.0;
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if ( length_hdg > 360.0 ) { length_hdg -= 360.0; }
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} else {
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ref1 = corner[2];
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ref2 = corner[3];
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length_hdg = rwy_info.heading;
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}
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left_hdg = length_hdg - 90.0;
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if ( left_hdg < 0 ) { left_hdg += 360.0; }
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cout << "length hdg = " << length_hdg
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<< " left heading = " << left_hdg << endl;
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// offset 40' downwind
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geo_direct_wgs_84 ( alt_m, ref1.lat(), ref1.lon(), length_hdg,
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-40 * SG_FEET_TO_METER, &lat, &lon, &r );
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ref1 = Point3D( lon, lat, 0.0 );
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// offset 40' left
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geo_direct_wgs_84 ( alt_m, ref1.lat(), ref1.lon(), left_hdg,
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40 * SG_FEET_TO_METER, &lat, &lon, &r );
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ref1 = Point3D( lon, lat, 0.0 );
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lights.push_back( ref1 );
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normal = gen_runway_light_vector( rwy_info, 10, recip );
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normals.push_back( normal );
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// offset 40' downwind
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geo_direct_wgs_84 ( alt_m, ref2.lat(), ref2.lon(), length_hdg,
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-40 * SG_FEET_TO_METER, &lat, &lon, &r );
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ref2 = Point3D( lon, lat, 0.0 );
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// offset 40' left
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geo_direct_wgs_84 ( alt_m, ref2.lat(), ref2.lon(), left_hdg,
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-40 * SG_FEET_TO_METER, &lat, &lon, &r );
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ref2 = Point3D( lon, lat, 0.0 );
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lights.push_back( ref2 );
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normal = gen_runway_light_vector( rwy_info, 10, recip );
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normals.push_back( normal );
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FGPolygon lights_poly; lights_poly.erase();
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FGPolygon normals_poly; normals_poly.erase();
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lights_poly.add_contour( lights, false );
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normals_poly.add_contour( normals, false );
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FGSuperPoly result;
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result.set_poly( lights_poly );
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result.set_normals( normals_poly );
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result.set_material( "RWY_REIL_LIGHTS" );
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return result;
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}
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// top level runway light generator
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void gen_runway_lights( const FGRunway& rwy_info, float alt_m,
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superpoly_list &lights ) {
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@ -582,26 +766,6 @@ void gen_runway_lights( const FGRunway& rwy_info, float alt_m,
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unsigned int i;
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// PAPI lighting
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if ( rwy_info.end1_flags.substr(2,1) == "P" ) {
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FGSuperPoly s = gen_papi( rwy_info, alt_m, false );
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lights.push_back( s );
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}
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if ( rwy_info.end2_flags.substr(2,1) == "P" ) {
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FGSuperPoly s = gen_papi( rwy_info, alt_m, true );
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lights.push_back( s );
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}
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// VASI lighting
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if ( rwy_info.end1_flags.substr(2,1) == "V" ) {
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FGSuperPoly s = gen_vasi( rwy_info, alt_m, false );
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lights.push_back( s );
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}
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if ( rwy_info.end2_flags.substr(2,1) == "V" ) {
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FGSuperPoly s = gen_vasi( rwy_info, alt_m, true );
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lights.push_back( s );
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}
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// Make edge lighting
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string edge_type = rwy_info.surface_flags.substr(3,1);
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if ( edge_type != (string)"N" ) {
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@ -634,4 +798,45 @@ void gen_runway_lights( const FGRunway& rwy_info, float alt_m,
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lights.push_back( s[i] );
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}
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}
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// Touchdown zone lighting
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if ( rwy_info.end1_flags.substr(0,1) == "Y" ) {
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FGSuperPoly s = gen_touchdown_zone_lights( rwy_info, alt_m, false );
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lights.push_back( s );
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}
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if ( rwy_info.end2_flags.substr(0,1) == "Y" ) {
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FGSuperPoly s = gen_touchdown_zone_lights( rwy_info, alt_m, true );
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lights.push_back( s );
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}
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// REIL lighting
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if ( rwy_info.end1_flags.substr(1,1) == "Y" ) {
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FGSuperPoly s = gen_reil( rwy_info, alt_m, false );
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lights.push_back( s );
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}
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if ( rwy_info.end2_flags.substr(1,1) == "Y" ) {
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FGSuperPoly s = gen_reil( rwy_info, alt_m, true );
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lights.push_back( s );
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}
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// PAPI lighting
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if ( rwy_info.end1_flags.substr(2,1) == "P" ) {
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FGSuperPoly s = gen_papi( rwy_info, alt_m, false );
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lights.push_back( s );
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}
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if ( rwy_info.end2_flags.substr(2,1) == "P" ) {
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FGSuperPoly s = gen_papi( rwy_info, alt_m, true );
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lights.push_back( s );
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}
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// VASI lighting
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if ( rwy_info.end1_flags.substr(2,1) == "V" ) {
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FGSuperPoly s = gen_vasi( rwy_info, alt_m, false );
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lights.push_back( s );
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}
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if ( rwy_info.end2_flags.substr(2,1) == "V" ) {
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FGSuperPoly s = gen_vasi( rwy_info, alt_m, true );
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lights.push_back( s );
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}
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}
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