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Add additional runway selection so the runway in use doesn't change as you roll past mid-point. Also fix possible bug for north-south runways.

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stuart 2008-05-03 19:46:47 +00:00
parent 7513200f8e
commit b6b4b5fe77
1 changed files with 92 additions and 73 deletions
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27
gui/dialogs/chat-menu.xml
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@ -152,7 +152,6 @@
# Simple rounding of altitude to 100 ft. # Simple rounding of altitude to 100 ft.
var altitude = int(getprop("/position/altitude-ft")/100) * 100; var altitude = int(getprop("/position/altitude-ft")/100) * 100;
var type = getprop("/sim/description"); var type = getprop("/sim/description");
if (type != "") if (type != "")
{ {
@ -181,7 +180,7 @@
# Determine the active runway. We have two ways to do this: # Determine the active runway. We have two ways to do this:
# - If the aircraft is on the ground (or very close to it), we'll try to determine # - If the aircraft is on the ground (or very close to it), we'll try to determine
# the runway it is closest to. # the runway it is closest to, and facing the correct direction for.
# - If the aircraft is in the air, we'll work out the active runway based on the wind. # - If the aircraft is in the air, we'll work out the active runway based on the wind.
var active_runway = ""; var active_runway = "";
@ -202,8 +201,11 @@
var p = geo.Coord.new(); var p = geo.Coord.new();
p.set_latlon(curr.lat, curr.lon, airport.elevation); p.set_latlon(curr.lat, curr.lon, airport.elevation);
var course = loc.course_to(p); var course = loc.course_to(p) - curr.heading;
var deviation = math.abs(course - curr.heading); while (course >= 180) course -= 360;
while (course < -180) course += 360;
var deviation = math.abs(course);
if (deviation < max) if (deviation < max)
{ {
@ -211,6 +213,23 @@
max = deviation; max = deviation;
} }
} }
# It may be the case that we're taxiing down the runway, past the mid-point.
# If the aircraft is facing the "wrong" way for this runway, then take the
# reciprocal runway.
var heading = getprop("/orientation/heading-magnetic-deg");
var deviation = heading - airport.runways[active_runway].heading;
while (deviation >= 180) deviation -= 360;
while (deviation < -180) deviation += 360;
deviation = math.abs(deviation);
if (deviation > 90)
{
var number = math.mod(num(substr(active_runway, 0, 2)) + 18, 36);
var side = substr(active_runway, 2, 1);
active_runway = sprintf("%02d%s", number, side == "R" ? "L" : side == "L" ? "R" : side);
}
} }
else else
{ {