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src/Main/positioninit.cxx: open popup if we can't find taxiway to avoid starting on runway.

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This commit is contained in:
Julian Smith 2020-10-27 22:34:15 +00:00
parent fd723c0497
commit d34f7dc451
1 changed files with 19 additions and 11 deletions
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30
src/Main/positioninit.cxx
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@ -191,18 +191,26 @@ std::tuple<SGGeod, double> runwayStartPos(FGRunwayRef runway)
runway->ident() << ", MP is enabled so computing hold short position to avoid runway incursion");
FGGroundNetwork* groundNet = runway->airport()->groundNetwork();
// add a margin, try to keep the entire aeroplane comfortable off the
// runway.
double margin = startOffset + (runway->widthM() * 1.5);
FGTaxiNodeRef taxiNode = groundNet ? groundNet->findNearestNodeOffRunway(pos, runway, margin) : FGTaxiNodeRef{};
if (taxiNode) {
// set this so multiplayer.nas can inform the user
fgSetBool("/sim/presets/avoided-mp-runway", true);
return std::make_tuple(taxiNode->geod(), SGGeodesy::courseDeg(taxiNode->geod(), pos));
if (groundNet) {
// add a margin, try to keep the entire aeroplane comfortable off the
// runway.
double margin = startOffset + (runway->widthM() * 1.5);
FGTaxiNodeRef taxiNode = groundNet->findNearestNodeOffRunway(pos, runway, margin);
if (taxiNode) {
// set this so multiplayer.nas can inform the user
fgSetBool("/sim/presets/avoided-mp-runway", true);
return std::make_tuple(taxiNode->geod(), SGGeodesy::courseDeg(taxiNode->geod(), pos));
}
else {
// if we couldn't find a suitable taxi-node, give up. Guessing a position
// causes too much pain (starting in the water or similar bad things)
SG_LOG( SG_GENERAL, SG_POPUP, "Unable to position off runway because groundnet has no taxi node.");
}
}
else {
SG_LOG( SG_GENERAL, SG_POPUP, "Unable to position off runway because no groundnet.");
}
// if we couldn't find a suitable taxi-node, give up. Guessing a position
// causes too much pain (starting in the water or similar bad things)
}
return std::make_tuple(pos, runway->headingDeg());