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IDG-A32X/Nasal/icing.nas

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# A3XX Icing System
# Jonathan Redpath (legoboyvdlp)
#######################################
# Copyright (c) A3XX Development Team #
#######################################
setlistener("/sim/signals/fdm-initialized", func {
var dewpoint = getprop("/environment/dewpoint-degc");
var temperature = getprop("/environment/temperature-degc");
var speed = getprop("/velocities/airspeed-kt");
var visibility = getprop("/environment/effective-visibility-m");
var visibLclWx = getprop("/environment/visibility-m");
var severity = getprop("/systems/icing/severity");
var factor = getprop("/systems/icing/factor");
var maxSpread = getprop("/systems/icing/max-spread-degc");
var icingCond = getprop("/systems/icing/icingcond");
var pause = getprop("/sim/freeze/master");
var melt = getprop("/systems/icing/melt-w-heat-factor");
var windowprobe = getprop("/controls/deice/windowprobeheat");
var wingBtn = getprop("/controls/switches/wing");
var wingFault = getprop("/controls/switches/wingfault");
var wingAnti = getprop("/controls/deice/wing");
var PSI = getprop("/systems/pneumatic/total-psi");
var wowl = getprop("/gear/gear[1]/wow");
var wowr = getprop("/gear/gear[2]/wow");
var PitotIcing = getprop("/systems/pitot/icing");
var PitotFailed = getprop("/systems/pitot/failed");
var lengBtn = getprop("/controls/switches/leng");
var lengFault = getprop("/controls/switches/lengfault");
var rengBtn = getprop("/controls/switches/reng");
var rengFault = getprop("/controls/switches/rengfault");
var lengAnti = getprop("/controls/deice/lengine");
var rengAnti = getprop("/controls/deice/rengine");
var WingHasBeenTurnedOff = getprop("/controls/deice/WingHasBeenTurnedOff");
var GroundModeFinished = getprop("/controls/deice/GroundModeFinished");
var icing1 = getprop("/sim/model/icing/iceable[0]/ice-inches");
var sensitive1 = getprop("/sim/model/icing/iceable[0]/sensitivity");
var v = 0;
var a = 0;
var icing2 = getprop("/sim/model/icing/iceable[1]/ice-inches");
var sensitive2 = getprop("/sim/model/icing/iceable[1]/sensitivity");
var u = 0;
var b = 0;
var icing3 = getprop("/sim/model/icing/iceable[2]/ice-inches");
var sensitive3 = getprop("/sim/model/icing/iceable[2]/sensitivity");
var t = 0;
var c = 0;
var icing4 = getprop("/sim/model/icing/iceable[3]/ice-inches");
var sensitive4 = getprop("/sim/model/icing/iceable[3]/sensitivity");
var s = 0;
var d = 0;
var icing5 = getprop("/sim/model/icing/iceable[4]/ice-inches");
var sensitive5 = getprop("/sim/model/icing/iceable[4]/sensitivity");
var r = 0;
var icing6 = getprop("/sim/model/icing/iceable[5]/ice-inches");
var sensitive6 = getprop("/sim/model/icing/iceable[5]/sensitivity");
var q = 0;
var e = 0;
var spread = 0;
var windowprb = getprop("/controls/switches/windowprobeheat");
stateL = getprop("/engines/engine[0]/state");
stateR = getprop("/engines/engine[1]/state");
});
var icingInit = func {
setprop("/systems/icing/severity", "0"); # maximum severity: we will make it random
setprop("/systems/icing/factor", 0.0); # the factor is how many inches we add per second
setprop("/systems/icing/max-spread-degc", 0.0);
setprop("/systems/icing/melt-w-heat-factor", -0.00005000);
setprop("/systems/icing/icingcond", 0);
setprop("/controls/switches/windowprobeheat", 0);
setprop("/controls/switches/wing", 0);
setprop("/controls/switches/wingfault", 0);
setprop("/controls/switches/leng", 0);
setprop("/controls/switches/lengfault", 0);
setprop("/controls/switches/reng", 0);
setprop("/controls/switches/rengfault", 0);
setprop("/controls/deice/wing", 0);
setprop("/controls/deice/lengine", 0);
setprop("/controls/deice/rengine", 0);
setprop("/controls/deice/windowprobeheat", 0);
setprop("/systems/pitot/icing", 0.0);
setprop("/systems/pitot/failed", 1);
setprop("/controls/deice/WingHasBeenTurnedOff", 0);
setprop("/controls/deice/GroundModeFinished", 0);
icing_timer.start();
}
var icingModel = func {
dewpoint = getprop("/environment/dewpoint-degc");
temperature = getprop("/environment/temperature-degc");
speed = getprop("/velocities/airspeed-kt");
visibility = getprop("/environment/effective-visibility-m");
visibLclWx = getprop("/environment/visibility-m");
severity = getprop("/systems/icing/severity");
factor = getprop("/systems/icing/factor");
maxSpread = getprop("/systems/icing/max-spread-degc");
icingCond = getprop("/systems/icing/icingcond");
pause = getprop("/sim/freeze/master");
melt = getprop("/systems/icing/melt-w-heat-factor");
windowprobe = getprop("/controls/deice/windowprobeheat");
wingBtn = getprop("/controls/switches/wing");
wingFault = getprop("/controls/switches/wingfault");
wingAnti = getprop("/controls/deice/wing");
PSI = getprop("/systems/pneumatic/total-psi");
wowl = getprop("/gear/gear[1]/wow");
wowr = getprop("/gear/gear[2]/wow");
PitotIcing = getprop("/systems/pitot/icing");
PitotFailed = getprop("/systems/pitot/failed");
lengBtn = getprop("/controls/switches/leng");
lengFault = getprop("/controls/switches/lengfault");
rengBtn = getprop("/controls/switches/reng");
rengFault = getprop("/controls/switches/rengfault");
lengAnti = getprop("/controls/deice/lengine");
rengAnti = getprop("/controls/deice/rengine");
WingHasBeenTurnedOff = getprop("/controls/deice/WingHasBeenTurnedOff");
GroundModeFinished = getprop("/controls/deice/GroundModeFinished");
if (temperature >= 0 or !icingCond) {
setprop("/systems/icing/severity", "0");
} else if (temperature < 0 and temperature >= -2 and icingCond) {
setprop("/systems/icing/severity", "1");
} else if (temperature < -2 and temperature >= -12 and icingCond) {
setprop("/systems/icing/severity", "3");
} else if (temperature < -12 and temperature >= -30 and icingCond) {
setprop("/systems/icing/severity", "5");
} else if (temperature < -30 and temperature >= -40 and icingCond) {
setprop("/systems/icing/severity", "3");
} else if (temperature < -40 and temperature >= -99 and icingCond) {
setprop("/systems/icing/severity", "1");
}
icing1 = getprop("/sim/model/icing/iceable[0]/ice-inches");
sensitive1 = getprop("/sim/model/icing/iceable[0]/sensitivity");
v = icing1 + (factor * sensitive1);
a = icing1 + melt;
if (icing1 < 0.0 and !pause) {
setprop("/sim/model/icing/iceable[0]/ice-inches", 0.0);
} else if (wingAnti) {
setprop("/sim/model/icing/iceable[0]/ice-inches", a);
} else if (!pause and !wingAnti) {
setprop("/sim/model/icing/iceable[0]/ice-inches", v);
}
icing2 = getprop("/sim/model/icing/iceable[1]/ice-inches");
sensitive2 = getprop("/sim/model/icing/iceable[1]/sensitivity");
u = icing2 + (factor * sensitive2);
b = icing2 + melt;
if (icing2 < 0.0 and !pause) {
setprop("/sim/model/icing/iceable[1]/ice-inches", 0.0);
} else if (lengAnti) {
setprop("/sim/model/icing/iceable[1]/ice-inches", b);
} else if (!pause and !lengAnti) {
setprop("/sim/model/icing/iceable[1]/ice-inches", u);
}
icing3 = getprop("/sim/model/icing/iceable[2]/ice-inches");
sensitive3 = getprop("/sim/model/icing/iceable[2]/sensitivity");
t = icing3 + (factor * sensitive3);
c = icing3 + melt;
if (icing3 < 0.0 and !pause) {
setprop("/sim/model/icing/iceable[2]/ice-inches", 0.0);
} else if (rengAnti) {
setprop("/sim/model/icing/iceable[2]/ice-inches", c);
} else if (!pause and !rengAnti) {
setprop("/sim/model/icing/iceable[2]/ice-inches", t);
}
icing4 = getprop("/sim/model/icing/iceable[3]/ice-inches");
sensitive4 = getprop("/sim/model/icing/iceable[3]/sensitivity");
s = icing4 + (factor * sensitive4);
d = icing4 + melt;
if (icing4 < 0.0 and !pause) {
setprop("/sim/model/icing/iceable[3]/ice-inches", 0.0);
} else if (windowprobe) {
setprop("/sim/model/icing/iceable[3]/ice-inches", d);
} else if (!pause and !windowprobe) {
setprop("/sim/model/icing/iceable[3]/ice-inches", s);
}
icing5 = getprop("/sim/model/icing/iceable[4]/ice-inches");
sensitive5 = getprop("/sim/model/icing/iceable[4]/sensitivity");
r = icing5 + (factor * sensitive5);
if (icing5 < 0.0 and !pause) {
setprop("/sim/model/icing/iceable[4]/ice-inches", 0.0);
} else if (!pause) {
setprop("/sim/model/icing/iceable[4]/ice-inches", r);
}
icing6 = getprop("/sim/model/icing/iceable[5]/ice-inches");
sensitive6 = getprop("/sim/model/icing/iceable[5]/sensitivity");
q = icing6 + (factor * sensitive6);
e = icing6 + melt;
if (icing6 < 0.0 and !pause) {
setprop("/sim/model/icing/iceable[5]/ice-inches", 0.0);
} else if (windowprobe) {
setprop("/sim/model/icing/iceable[5]/ice-inches", e);
} else if (!pause and !windowprobe) {
setprop("/sim/model/icing/iceable[5]/ice-inches", q);
}
# Do we create ice?
spread = temperature - dewpoint;
# freezing fog or low temp and below dp or in advanced wx cloud
if ((spread < maxSpread and temperature < 0) or (temperature < 0 and visibility < 1000) or (visibLclWx < 5000 and temperature < 0)) {
setprop("/systems/icing/icingcond", 1);
} else {
setprop("/systems/icing/icingcond", 0);
}
if (WingHasBeenTurnedOff and !wowl and !wowr and GroundModeFinished) {
setprop("/controls/deice/wing", 1);
setprop("/controls/switches/WingHasBeenTurnedOff", 0);
}
# If we have low pressure we have a fault
if (PSI < 10) {
setprop("/controls/switches/wingfault", 1);
setprop("/controls/deice/wing", 0);
}
if (PSI > 10 and wingFault) {
setprop("/controls/switches/wingfault", 0);
if (wingBtn) {
setprop("/controls/deice/wing", 1);
}
}
if (PitotIcing > 0.03) {
if (!PitotFailed) {
setprop("/systems/pitot/failed", 1);
}
} else if (PitotIcing < 0.03) {
if (PitotFailed) {
setprop("/systems/pitot/failed", 0);
}
}
}
#################
# LEng Anti-Ice #
#################
setlistener("/controls/switches/leng", func {
if (getprop("/controls/switches/leng") == 1 and getprop("/engines/engine[0]/state") == 3) {
setprop("/controls/switches/lengfault", 1);
settimer(func() {
setprop("/controls/switches/lengfault", 0);
setprop("/controls/deice/lengine", 1);
}, 0.5);
} else if (getprop("/controls/switches/leng") == 0) {
setprop("/controls/switches/lengfault", 1);
settimer(func() {
setprop("/controls/switches/lengfault", 0);
setprop("/controls/deice/lengine", 0);
}, 0.5);
}
});
setlistener("/engines/engine[0]/state", func {
if (getprop("/engines/engine[0]/state") != 3) {
setprop("/controls/switches/leng", 0);
}
});
#################
# REng Anti-Ice #
#################
setlistener("/controls/switches/reng", func {
if (getprop("/controls/switches/reng") == 1 and getprop("/engines/engine[1]/state") == 3) {
setprop("/controls/switches/rengfault", 1);
settimer(func() {
setprop("/controls/switches/rengfault", 0);
setprop("/controls/deice/rengine", 1);
}, 0.5);
} else if (getprop("/controls/switches/reng") == 0) {
setprop("/controls/switches/rengfault", 1);
settimer(func() {
setprop("/controls/switches/rengfault", 0);
setprop("/controls/deice/rengine", 0);
}, 0.5);
}
});
setlistener("/engines/engine[1]/state", func {
if (getprop("/engines/engine[1]/state") != 3) {
setprop("/controls/switches/reng", 0);
}
});
##################
# Probe Anti-Ice #
##################
setlistener("/controls/switches/windowprobeheat", func {
windowprb = getprop("/controls/switches/windowprobeheat");
if (windowprb == 0.5) { # if in auto
wowl = getprop("/gear/gear[1]/wow");
wowr = getprop("/gear/gear[2]/wow");
stateL = getprop("/engines/engine[0]/state");
stateR = getprop("/engines/engine[1]/state");
if (!wowl or !wowr) {
setprop("/controls/deice/windowprobeheat", 1);
} else if (stateL == 3 or stateR == 3) {
setprop("/controls/deice/windowprobeheat", 1);
}
} else if (windowprb == 1) { # if in ON
setprop("/controls/deice/windowprobeheat", 1);
} else {
setprop("/controls/deice/windowprobeheat", 0);
}
});
#################
# Wing Anti-Ice #
#################
# Switching on the wing anti-ice
setlistener("/controls/switches/wing", func {
wowl = getprop("/gear/gear[1]/wow");
wowr = getprop("/gear/gear[2]/wow");
wingBtn = getprop("/controls/switches/wing");
if (wowl and wowr and wingBtn) {
setprop("/controls/switches/wingfault", 1);
settimer(func() {
setprop("/controls/switches/wingfault", 0);
setprop("/controls/deice/wing", 1);
}, 0.5);
settimer(func() {
setprop("/controls/deice/WingHasBeenTurnedOff", 1);
setprop("/controls/deice/wing", 0);
}, 30.5);
settimer(func() {
setprop("/controls/deice/GroundModeFinished", 1);
}, 31);
} else if (wingBtn and !wowl and !wowr) { # In the air
setprop("/controls/switches/wingfault", 1);
settimer(func() {
setprop("/controls/switches/wingfault", 0);
setprop("/controls/deice/wing", 1);
}, 0.5);
} else if (!wingBtn) {
setprop("/controls/switches/wingfault", 1);
settimer(func() {
setprop("/controls/switches/wingfault", 0);
setprop("/controls/deice/wing", 0);
}, 0.5);
}
});
###################
# Update Function #
###################
var update_Icing = func {
icingModel();
}
var icing_timer = maketimer(0.2, update_Icing);