Take care of simple runways, too
This commit is contained in:
Christian Schmitt
parent
c43ebccb7a
commit
6ce3e16d4b
1 changed files with 112 additions and 86 deletions
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@ -18,8 +18,7 @@
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id: rwy_simple.cxx,v 1.12 2004-11-19 22:25:49 curt Exp $
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//
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#include <simgear/compiler.h>
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@ -42,97 +41,124 @@ void gen_simple_rwy( const TGRunway& rwy_info,
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texparams_list *texparams,
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TGPolygon *accum )
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{
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int j, k;
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int i;
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TGPolygon runway = gen_runway_w_mid( rwy_info, alt_m, 0.0, 0.0 );
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// runway half "a"
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TGPolygon runway_a;
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runway_a.erase();
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runway_a.add_node( 0, runway.get_pt(0, 0) );
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runway_a.add_node( 0, runway.get_pt(0, 1) );
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runway_a.add_node( 0, runway.get_pt(0, 2) );
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runway_a.add_node( 0, runway.get_pt(0, 5) );
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TGPolygon runway_half;
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// runway half "b"
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TGPolygon runway_b;
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runway_b.erase();
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runway_b.add_node( 0, runway.get_pt(0, 5) );
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runway_b.add_node( 0, runway.get_pt(0, 2) );
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runway_b.add_node( 0, runway.get_pt(0, 3) );
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runway_b.add_node( 0, runway.get_pt(0, 4) );
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for ( int rwhalf=1; rwhalf<3; ++rwhalf ){
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Point3D p;
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SG_LOG(SG_GENERAL, SG_DEBUG, "raw runway pts (a half)");
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for ( j = 0; j < runway_a.contour_size( 0 ); ++j ) {
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p = runway_a.get_pt(0, j);
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SG_LOG(SG_GENERAL, SG_DEBUG, " point = " << p);
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}
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SG_LOG(SG_GENERAL, SG_DEBUG, "raw runway pts (b half)");
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for ( j = 0; j < runway_b.contour_size( 0 ); ++j ) {
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p = runway_b.get_pt(0, j);
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SG_LOG(SG_GENERAL, SG_DEBUG, " point = " << p);
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if (rwhalf == 1) {
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//Create the first half of the runway (first entry in apt.dat)
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runway_half.erase();
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runway_half.add_node( 0, runway.get_pt(0, 3) );
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runway_half.add_node( 0, runway.get_pt(0, 4) );
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runway_half.add_node( 0, runway.get_pt(0, 5) );
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runway_half.add_node( 0, runway.get_pt(0, 2) );
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}
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TGSuperPoly sp;
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TGTexParams tp;
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else if (rwhalf == 2) {
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TGPolygon clipped_a = tgPolygonDiff( runway_a, *accum );
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TGPolygon split_a = tgPolygonSplitLongEdges( clipped_a, 400.0 );
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sp.erase();
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sp.set_poly( split_a );
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sp.set_material( material );
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rwy_polys->push_back( sp );
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SG_LOG(SG_GENERAL, SG_DEBUG, "clipped_a = " << clipped_a.contours());
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*accum = tgPolygonUnion( runway_a, *accum );
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tp = TGTexParams( runway_a.get_pt(0,0),
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rwy_info.width,
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rwy_info.length / 2.0,
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rwy_info.heading );
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texparams->push_back( tp );
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TGPolygon clipped_b = tgPolygonDiff( runway_b, *accum );
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TGPolygon split_b = tgPolygonSplitLongEdges( clipped_b, 400.0 );
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sp.erase();
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sp.set_poly( split_b );
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sp.set_material( material );
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rwy_polys->push_back( sp );
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SG_LOG(SG_GENERAL, SG_DEBUG, "clipped_b = " << clipped_b.contours());
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*accum = tgPolygonUnion( runway_b, *accum );
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tp = TGTexParams( runway_b.get_pt(0,2),
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rwy_info.width,
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rwy_info.length / 2.0,
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rwy_info.heading + 180.0 );
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texparams->push_back( tp );
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#if 0
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// after clip, but before removing T intersections
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char tmpa[256], tmpb[256];
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sprintf( tmpa, "a%d", i );
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sprintf( tmpb, "b%d", i );
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write_polygon( clipped_a, tmpa );
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write_polygon( clipped_b, tmpb );
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#endif
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// print runway points
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SG_LOG(SG_GENERAL, SG_DEBUG, "clipped runway pts (a)");
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for ( j = 0; j < clipped_a.contours(); ++j ) {
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for ( k = 0; k < clipped_a.contour_size( j ); ++k ) {
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p = clipped_a.get_pt(j, k);
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SG_LOG(SG_GENERAL, SG_DEBUG, " point = " << p);
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}
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//Create the second runway half from apt.dat
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runway_half.erase();
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runway_half.add_node( 0, runway.get_pt(0, 0) );
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runway_half.add_node( 0, runway.get_pt(0, 1) );
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runway_half.add_node( 0, runway.get_pt(0, 2) );
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runway_half.add_node( 0, runway.get_pt(0, 5) );
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}
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// print runway points
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SG_LOG(SG_GENERAL, SG_DEBUG, "clipped runway pts (b)");
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for ( j = 0; j < clipped_b.contours(); ++j ) {
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for ( k = 0; k < clipped_b.contour_size( j ); ++k ) {
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p = clipped_b.get_pt(j, k);
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SG_LOG(SG_GENERAL, SG_DEBUG, " point = " << p);
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// we add 0.5m to the length for texture overlap. This puts the
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// lines on the texture back to the edge of the runway where they
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// belong.
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double length = rwy_info.length / 2.0 + 0.5;
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int marking = 0;
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double start1_pct = 0.0;
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double end1_pct = 0.0;
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double disp_thresh = 0.0;
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double heading = 0.0;
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double stopway = 0.0;
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string rwname;
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//
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// Displaced threshold if it exists
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//
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if (rwhalf == 1) {
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marking = rwy_info.marking_code1;
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disp_thresh = rwy_info.disp_thresh1;
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heading = rwy_info.heading + 180.0;
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rwname = rwy_info.rwy_no1;
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stopway = rwy_info.stopway1;
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}
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else if (rwhalf == 2) {
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marking = rwy_info.marking_code2;
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disp_thresh = rwy_info.disp_thresh2;
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heading = rwy_info.heading;
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rwname = rwy_info.rwy_no2;
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stopway = rwy_info.stopway2;
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}
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SG_LOG( SG_GENERAL, SG_INFO, "runway marking = " << marking );
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if ( disp_thresh > 0.0 ) {
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SG_LOG( SG_GENERAL, SG_INFO, "Displaced threshold for RW side " << rwhalf << " is "
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<< disp_thresh );
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// reserve 90' for final arrows
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double thresh = disp_thresh - 90.0 * SG_FEET_TO_METER;
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// number of full center arrows
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int count = (int)(thresh / 200.0 * SG_FEET_TO_METER);
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// length of starting partial arrow
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double part_len = thresh - ( count * 200.0 * SG_FEET_TO_METER);
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double tex_pct = (200.0 * SG_FEET_TO_METER - part_len) / 200.0 * SG_FEET_TO_METER;
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// starting (possibly partial chunk)
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start1_pct = end1_pct;
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end1_pct = start1_pct + ( part_len / length );
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gen_runway_section( rwy_info, runway_half,
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start1_pct, end1_pct,
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0.0, 1.0,
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0.0, 1.0, tex_pct, 1.0,
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heading,
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material, "dspl_thresh",
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rwy_polys, texparams, accum );
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// main chunks
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for ( i = 0; i < count; ++i ) {
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start1_pct = end1_pct;
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end1_pct = start1_pct + ( 200.0 * SG_FEET_TO_METER / length );
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gen_runway_section( rwy_info, runway_half,
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start1_pct, end1_pct,
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0.0, 1.0,
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0.0, 1.0, 0.0, 1.0,
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heading,
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material, "dspl_thresh",
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rwy_polys, texparams, accum );
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}
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// gen_runway_stopway( rwy_info, runway_a, runway_b,
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// material,
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// rwy_polys, texparams, accum );
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// final arrows
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start1_pct = end1_pct;
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end1_pct = start1_pct + ( 90.0 * SG_FEET_TO_METER / length );
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gen_runway_section( rwy_info, runway_half,
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start1_pct, end1_pct,
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0.0, 1.0,
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0.0, 1.0, 0.0, 1.0,
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heading,
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material, "dspl_arrows",
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rwy_polys, texparams, accum );
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}
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gen_runway_section( rwy_info, runway_half,
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0, 1,
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0.0, 1.0,
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0.0, 0.28, 0.0, 1.0,
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heading,
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material, "",
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rwy_polys, texparams, accum );
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}
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}
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