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IDG-A32X/Nasal/autobrake.nas
2017-10-04 15:53:07 -04:00

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# A3XX Autobrake
# Joshua Davidson (it0uchpods)
#########################################
# Copyright (c) it0uchpods Design Group #
#########################################
setprop("/controls/autobrake/active", 0);
setprop("/controls/autobrake/mode", 0);
setlistener("/sim/signals/fdm-initialized", func {
var rev1 = 0;
var rev2 = 0;
var thr1 = 0;
var thr2 = 0;
var wow1 = getprop("/gear/gear[1]/wow");
var wow2 = getprop("/gear/gear[2]/wow");
var gnd_speed = getprop("/velocities/groundspeed-kt");
});
var autobrake_init = func {
setprop("/controls/autobrake/active", 0);
setprop("/controls/autobrake/mode", 0);
}
# Override FG's generic brake, so we can use toe brakes to disconnect autobrake
controls.applyBrakes = func(v, which = 0) {
wow1 = getprop("/gear/gear[1]/wow");
wow2 = getprop("/gear/gear[2]/wow");
if (getprop("/controls/autobrake/mode") != 0 and (wow1 or wow2)) {
arm_autobrake(0);
}
if (which <= 0) {
interpolate("/controls/gear/brake-left", v, 0.5);
}
if (which >= 0) {
interpolate("/controls/gear/brake-right", v, 0.5);
}
}
# Set autobrake mode
var arm_autobrake = func(mode) {
if (mode == 0) { # OFF
absChk.stop();
if (getprop("/controls/autobrake/active") == 1) {
setprop("/controls/autobrake/active", 0);
setprop("/controls/gear/brake-left", 0);
setprop("/controls/gear/brake-right", 0);
}
setprop("/controls/autobrake/mode", 0);
} else if (mode == 1) { # LO
setprop("/controls/autobrake/mode", 1);
absChk.start();
} else if (mode == 2) { # MED
setprop("/controls/autobrake/mode", 2);
absChk.start();
} else if (mode == 3) { # MAX
setprop("/controls/autobrake/mode", 3);
absChk.start();
}
}
# Autobrake enable if armed
var absChk = maketimer(0.2, func {
rev1 = getprop("/engines/engine[0]/reverser-pos-norm");
rev2 = getprop("/engines/engine[1]/reverser-pos-norm");
thr1 = getprop("/controls/engines/engine[0]/throttle");
thr2 = getprop("/controls/engines/engine[1]/throttle");
wow1 = getprop("/gear/gear[1]/wow");
wow2 = getprop("/gear/gear[2]/wow");
gnd_speed = getprop("/velocities/groundspeed-kt");
if (gnd_speed > 60 and rev1 < 0.01 and rev2 < 0.01) {
if (getprop("/controls/autobrake/mode") != 0 and thr1 < 0.15 and thr2 < 0.15 and wow1 and wow2) {
setprop("/controls/autobrake/active", 1);
if (getprop("/controls/autobrake/mode") == 1) { # LO
interpolate("/controls/gear/brake-left", 0.4, 0.5);
interpolate("/controls/gear/brake-right", 0.4, 0.5);
} else if (getprop("/controls/autobrake/mode") == 2) { # MED
interpolate("/controls/gear/brake-left", 0.65, 0.5);
interpolate("/controls/gear/brake-right", 0.65, 0.5);
} else if (getprop("/controls/autobrake/mode") == 3) { # MAX
interpolate("/controls/gear/brake-left", 0.9, 0.5);
interpolate("/controls/gear/brake-right", 0.9, 0.5);
}
} else {
setprop("/controls/autobrake/active", 0);
setprop("/controls/gear/brake-left", 0);
setprop("/controls/gear/brake-right", 0);
}
}
});