First crack at generating taxiway lights (with a normal vector of up.)
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curt
parent
a20c93b301
commit
7368effd9e
3 changed files with 170 additions and 3 deletions
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@ -563,12 +563,17 @@ void build_airport( string airport_raw, float alt_m, string_list& runways_raw,
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return;
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}
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// 5th pass: generate runway/taxiway lights
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// 5th pass: generate runway lights
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superpoly_list rwy_lights; rwy_lights.clear();
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for ( i = 0; i < (int)runways.size(); ++i ) {
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gen_runway_lights( runways[i], alt_m, rwy_lights );
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}
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// 6th pass: generate all taxiway lights
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for ( i = 0; i < (int)taxiways.size(); ++i ) {
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gen_taxiway_lights( taxiways[i], alt_m, rwy_lights );
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}
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// generate convex hull (no longer)
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// FGPolygon hull = convex_hull(apt_pts);
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@ -53,7 +53,7 @@ static Point3D gen_runway_light_vector( const FGRunway& rwy_info,
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} else {
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end2 = (corner[0] + corner[1]) / 2.0;
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end1 = (corner[2] + corner[3]) / 2.0;
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}
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}
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Point3D cart1 = sgGeodToCart( end1 * SG_DEGREES_TO_RADIANS );
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Point3D cart2 = sgGeodToCart( end2 * SG_DEGREES_TO_RADIANS );
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cout << "cart1 = " << cart1 << " cart2 = " << cart2 << endl;
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@ -255,6 +255,89 @@ static superpoly_list gen_runway_edge_lights( const FGRunway& rwy_info,
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}
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// generate taxiway edge lighting
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// 100 meters spacing or the next number down that divides evenly.
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static superpoly_list gen_taxiway_edge_lights( const FGRunway& rwy_info,
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const string& kind, bool recip )
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{
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point_list b_lights; b_lights.clear();
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point_list b_normals; b_normals.clear();
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int i;
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double len = rwy_info.length * SG_FEET_TO_METER;
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int divs;
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if ( len > 100.0 ) {
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// for lengths of 300' or more, max spacing is 200'
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divs = (int)(len / 70.0) + 1;
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} else {
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// for lengths <= 300', max spacing = 100'
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divs = (int)(len / 35.0) + 1;
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}
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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, 2.0, 2.0 );
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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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Point3D inc1, inc2;
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Point3D pt1, pt2;
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if ( recip ) {
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inc1 = (corner[3] - corner[0]) / divs;
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inc2 = (corner[2] - corner[1]) / divs;
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pt1 = corner[0];
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pt2 = corner[1];
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} else {
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inc1 = (corner[0] - corner[3]) / divs;
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inc2 = (corner[1] - corner[2]) / divs;
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pt1 = corner[3];
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pt2 = corner[2];
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}
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double dist = rwy_info.length;
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double step = dist / divs;
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Point3D up = sgGeodToCart( corner[0] * SG_DEGREES_TO_RADIANS );
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double length = up.distance3D( Point3D(0.0) );
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up = up / length;
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b_lights.push_back( pt1 );
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b_normals.push_back( up );
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b_lights.push_back( pt2 );
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b_normals.push_back( up );
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dist -= step;
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for ( i = 0; i < divs; ++i ) {
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pt1 += inc1;
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pt2 += inc2;
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b_lights.push_back( pt1 );
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b_normals.push_back( up );
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b_lights.push_back( pt2 );
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b_normals.push_back( up );
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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( b_lights, false );
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normals_poly.add_contour( b_normals, false );
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FGSuperPoly blue;
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blue.set_poly( lights_poly );
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blue.set_normals( normals_poly );
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blue.set_material( "RWY_BLUE_TAXIWAY_LIGHTS" );
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superpoly_list result; result.clear();
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result.push_back( blue );
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return result;
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}
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// generate threshold lights for a 3 degree approach
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static superpoly_list gen_runway_threshold_lights( const FGRunway& rwy_info,
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const string& kind,
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@ -2046,7 +2129,14 @@ void gen_runway_lights( const FGRunway& rwy_info, float alt_m,
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// Please send me documentation for this configuration
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////////////////////////////////////////////////////////////
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// LDIN
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////////////////////////////////////////////////////////////
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// NOT IMPLIMENTED:
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//
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// code: "F" LDIN
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//
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// This configuration is airport specific and no additional placement
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// data is provided in our database
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////////////////////////////////////////////////////////////
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// MALS
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if ( rwy_info.end1_flags.substr(3,1) == "G" ) {
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@ -2076,6 +2166,14 @@ void gen_runway_lights( const FGRunway& rwy_info, float alt_m,
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}
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}
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////////////////////////////////////////////////////////////
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// NOT IMPLIMENTED:
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//
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// code: "I" NSTD Non standard
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//
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// This is also likely airport specific
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////////////////////////////////////////////////////////////
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// MALSR
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if ( rwy_info.end1_flags.substr(3,1) == "J" ) {
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superpoly_list s = gen_malsx( rwy_info, alt_m, "R", false );
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@ -2090,6 +2188,28 @@ void gen_runway_lights( const FGRunway& rwy_info, float alt_m,
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}
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}
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////////////////////////////////////////////////////////////
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// NOT IMPLIMENTED:
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//
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// code: "K" MIL OVRN Something military
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//
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// No clue ...
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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// NOT IMPLIMENTED:
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//
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// code: "L" ODALS Omni-directional approach light system
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//
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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// NOT IMPLIMENTED:
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//
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// code: "M" RAIL Runway alignment indicator lights (icw other systems)
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//
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////////////////////////////////////////////////////////////
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// SALS (Essentially ALSF-1 without the lead in rabbit lights, and
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// a shorter center bar)
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@ -2168,3 +2288,42 @@ void gen_runway_lights( const FGRunway& rwy_info, float alt_m,
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}
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}
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}
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// top level taxiway light generator
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void gen_taxiway_lights( const FGRunway& taxiway_info, float alt_m,
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superpoly_list &lights ) {
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cout << "gen taxiway lights " << taxiway_info.rwy_no << " "
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<< taxiway_info.end1_flags << " " << taxiway_info.end2_flags << endl;;
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unsigned int i;
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// Centerline lighting
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if ( taxiway_info.surface_flags.substr(0,1) == "Y" ) {
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// forward direction
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superpoly_list s;
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s = gen_runway_center_line_lights( taxiway_info, false );
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for ( i = 0; i < s.size(); ++i ) {
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lights.push_back( s[i] );
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}
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// reverse direction
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s = gen_runway_center_line_lights( taxiway_info, true );
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for ( i = 0; i < s.size(); ++i ) {
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lights.push_back( s[i] );
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}
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}
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// Make edge lighting
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string edge_type = taxiway_info.surface_flags.substr(2,1);
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if ( taxiway_info.surface_flags.substr(2,1) == "B" ) {
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// forward direction
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superpoly_list s;
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s = gen_taxiway_edge_lights( taxiway_info, "B", false );
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for ( i = 0; i < s.size(); ++i ) {
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lights.push_back( s[i] );
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}
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}
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}
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@ -37,5 +37,8 @@
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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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// generate taxiway lighting
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void gen_taxiway_lights( const FGRunway& taxiway_info, float alt_m,
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superpoly_list &lights );
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#endif // _RWY_LIGHTS_HXX
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