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Fix of framerate drop due to broken OnActiveRunway function - don't read in the runway.mk4 file (~1MB) every frame

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daveluff 2003-03-31 16:24:41 +00:00
parent 3f53eaeaa7
commit 541ff04072
1 changed files with 15 additions and 12 deletions
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27
src/ATC/tower.cxx
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@ -351,6 +351,7 @@ void FGTower::DoRwyDetails() {
double tshlon, tshlat, tshr;
double tolon, tolat, tor;
rwy.length = runway.length * SG_FEET_TO_METER;
rwy.width = runway.width * SG_FEET_TO_METER;
geo_direct_wgs_84 ( aptElev, ref.lat(), ref.lon(), other_way,
rwy.length / 2.0 - 25.0, &tshlat, &tshlon, &tshr );
geo_direct_wgs_84 ( aptElev, ref.lat(), ref.lon(), runway.heading,
@ -376,22 +377,24 @@ void FGTower::DoRwyDetails() {
// Figure out if a given position lies on the active runway
// Might have to change when we consider more than one active rwy.
bool FGTower::OnActiveRunway(Point3D pt) {
SGPath path( globals->get_fg_root() );
path.append( "Airports" );
path.append( "runways.mk4" );
FGRunways runways( path.c_str() );
// TODO - check that the centre calculation below isn't confused by displaced thesholds etc.
Point3D xyc((rwy.end1ortho.x() + rwy.end2ortho.x())/2.0, (rwy.end1ortho.y() + rwy.end2ortho.y())/2.0, 0.0);
Point3D xyp = ortho.ConvertToLocal(pt);
FGRunway runway;
bool rwyGood = runways.search(ident, activeRwy, &runway);
if(!rwyGood) {
SG_LOG(SG_ATC, SG_WARN, "Unable to find runway " << activeRwy << " for airport ID " << ident << " in FGTower");
}
return false; // TODO - this is an emergency patch to correct a framerate problem - FIXME properly!!!
//return(OnRunway(pt, &runway) ? true : false);
//cout << "Length offset = " << fabs(xyp.y() - xyc.y()) << '\n';
//cout << "Width offset = " << fabs(xyp.x() - xyc.x()) << '\n';
double rlen = rwy.length/2.0 + 5.0;
double rwidth = rwy.width/2.0;
double ldiff = fabs(xyp.y() - xyc.y());
double wdiff = fabs(xyp.x() - xyc.x());
return((ldiff < rlen) && (wdiff < rwidth));
}
// Figure out if a given position lies on any runway or not
// Only call this at startup - reading the runways database is expensive and needs to be fixed!
bool FGTower::OnAnyRunway(Point3D pt) {
ATCData ad;
double dist = current_commlist->FindClosest(lon, lat, elev, ad, TOWER, 10.0);
@ -414,7 +417,7 @@ bool FGTower::OnAnyRunway(Point3D pt) {
}
bool on = false;
while(runway.id == ad.ident) {
on = OnRunway(pt, &runway);
on = OnRunway(pt, runway);
//cout << "Runway " << runway.rwy_no << ": On = " << (on ? "true\n" : "false\n");
if(on) return(true);
runways.next(&runway);