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Make centerline light generation more robust for ultra short runways.

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This keeps us from generation a bogus output file that could crash fgfs.
This commit is contained in:
curt 2002-11-22 22:00:08 +00:00
parent 585fc97859
commit 58bd28bb03
1 changed files with 27 additions and 22 deletions
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49
src/Airports/GenAirports/lights.cxx
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@ -462,30 +462,35 @@ static superpoly_list gen_runway_center_line_lights( const FGRunway& rwy_info,
dist -= step;
}
FGPolygon lights_poly; lights_poly.erase();
FGPolygon normals_poly; normals_poly.erase();
lights_poly.add_contour( w_lights, false );
normals_poly.add_contour( w_normals, false );
FGSuperPoly white;
white.set_poly( lights_poly );
white.set_normals( normals_poly );
white.set_material( "RWY_WHITE_MEDIUM_LIGHTS" );
lights_poly.erase();
normals_poly.erase();
lights_poly.add_contour( r_lights, false );
normals_poly.add_contour( r_normals, false );
FGSuperPoly red;
red.set_poly( lights_poly );
red.set_normals( normals_poly );
red.set_material( "RWY_RED_MEDIUM_LIGHTS" );
superpoly_list result; result.clear();
result.push_back( white );
result.push_back( red );
if ( w_lights.size() > 0 ) {
FGPolygon lights_poly; lights_poly.erase();
FGPolygon normals_poly; normals_poly.erase();
lights_poly.add_contour( w_lights, false );
normals_poly.add_contour( w_normals, false );
FGSuperPoly white;
white.set_poly( lights_poly );
white.set_normals( normals_poly );
white.set_material( "RWY_WHITE_MEDIUM_LIGHTS" );
result.push_back( white );
}
if ( r_lights.size() > 0 ) {
FGPolygon lights_poly; lights_poly.erase();
FGPolygon normals_poly; normals_poly.erase();
lights_poly.add_contour( r_lights, false );
normals_poly.add_contour( r_normals, false );
FGSuperPoly red;
red.set_poly( lights_poly );
red.set_normals( normals_poly );
red.set_material( "RWY_RED_MEDIUM_LIGHTS" );
result.push_back( red );
}
return result;
}