A320-family/Nasal/Systems/hydraulics.nas

# A3XX Hydraulic System
# Jonathan Redpath

# Copyright (c) 2019 Jonathan Redpath

var accum = 0;
var parking = 0;
var askidnws_sw = 0;
var down = 0;

var HYD = {
	Brakes: {
		accumPressPsi: props.globals.initNode("/systems/hydraulic/brakes/accumulator-pressure-psi", 0, "INT"),
		accumPressPsi1: props.globals.initNode("/systems/hydraulic/brakes/accumulator-pressure-psi-1", 0, "INT"),
		leftPressPsi: props.globals.initNode("/systems/hydraulic/brakes/pressure-left-psi", 0, "INT"),
		rightPressPsi: props.globals.initNode("/systems/hydraulic/brakes/pressure-right-psi", 0, "INT"),
		askidSw: props.globals.initNode("/systems/hydraulic/brakes/askidnwssw", 1, "BOOL"),
		mode: props.globals.initNode("/systems/hydraulic/brakes/mode", 0, "INT"),
		lbrake: props.globals.initNode("/systems/hydraulic/brakes/lbrake", 0, "INT"),
		rbrake: props.globals.initNode("/systems/hydraulic/brakes/rbrake", 0, "INT"),
		noserubber: props.globals.initNode("/systems/hydraulic/brakes/nose-rubber", 0, "INT"),
		counter: props.globals.initNode("/systems/hydraulic/brakes/counter", 0, "INT"),
	},
	Fail: {
		blueElec: props.globals.getNode("/systems/failures/hydraulic/blue-elec"),
		blueLeak: props.globals.getNode("/systems/failures/hydraulic/blue-leak"),
		greenEng: props.globals.getNode("/systems/failures/hydraulic/green-edp"),
		greenLeak: props.globals.getNode("/systems/failures/hydraulic/green-leak"),
		ptuFault: props.globals.getNode("/systems/failures/hydraulic/ptu"),
		yellowEng: props.globals.getNode("/systems/failures/hydraulic/yellow-edp"),
		yellowElec: props.globals.getNode("/systems/failures/hydraulic/yellow-elec"),
		yellowLeak: props.globals.getNode("/systems/failures/hydraulic/yellow-leak"),
	},
	Psi: {
		blue: props.globals.getNode("/systems/hydraulic/blue-psi"),
		green: props.globals.getNode("/systems/hydraulic/green-psi"),
		yellow: props.globals.getNode("/systems/hydraulic/yellow-psi"),
	},
	Ptu: {
		active: props.globals.getNode("/systems/hydraulic/sources/ptu/ptu-active"),
		diff: props.globals.getNode("/systems/hydraulic/yellow-psi-diff"),
	},
	Qty: {
		blueInput: props.globals.initNode("/systems/hydraulic/blue-qty-input", 0, "INT"),
		greenInput: props.globals.initNode("/systems/hydraulic/green-qty-input", 0, "INT"),
		yellowInput: props.globals.initNode("/systems/hydraulic/yellow-qty-input", 0, "INT"),
	},
	Rat: {
		position: props.globals.getNode("/systems/hydraulic/sources/rat/position"),
	},
	Switch: {
		blueElec: props.globals.getNode("/controls/hydraulic/switches/blue-elec"),
		blueElecOvrd: props.globals.getNode("/controls/hydraulic/switches/blue-elec-ovrd"),
		greenEDP: props.globals.getNode("/controls/hydraulic/switches/green-edp"),
		ptu: props.globals.getNode("/controls/hydraulic/switches/ptu"),
		rat: props.globals.getNode("/controls/hydraulic/switches/rat-man"),
		yellowEDP: props.globals.getNode("/controls/hydraulic/switches/yellow-edp"),
		yellowElec: props.globals.getNode("/controls/hydraulic/switches/yellow-elec"),
	},
	Valve: {
		yellowFire: props.globals.getNode("/systems/hydraulic/sources/yellow-edp/fire-valve"),
		greenFire: props.globals.getNode("/systems/hydraulic/sources/green-edp/fire-valve"),
	},
	init: func() {
		me.resetFail();
		me.Qty.blueInput.setValue(math.round((rand() * 4) + 8 , 0.1)); # Random between 8 and 12
		me.Qty.greenInput.setValue(math.round((rand() * 4) + 8 , 0.1)); # Random between 8 and 12
		me.Qty.yellowInput.setValue(math.round((rand() * 4) + 8 , 0.1)); # Random between 8 and 12
		me.Switch.blueElec.setValue(1);
		me.Switch.blueElecOvrd.setValue(0);
		me.Switch.greenEDP.setValue(1);
		me.Switch.ptu.setValue(1);
		me.Switch.rat.setValue(0);
		me.Switch.yellowEDP.setValue(1);
		me.Switch.yellowElec.setValue(0);
	},
	resetFail: func() {
		me.Fail.blueElec.setBoolValue(0);
		me.Fail.blueLeak.setBoolValue(0);
		me.Fail.greenEng.setBoolValue(0);
		me.Fail.greenLeak.setBoolValue(0);
		me.Fail.ptuFault.setBoolValue(0);
		me.Fail.yellowEng.setBoolValue(0);
		me.Fail.yellowElec.setBoolValue(0);
		me.Fail.yellowLeak.setBoolValue(0);
	},
	loop: func() {
		accum = me.Brakes.accumPressPsi.getValue();
		parking = getprop("/controls/gear/brake-parking");
		askidnws_sw = me.Brakes.askidSw.getBoolValue();
		
		if (!parking and askidnws_sw and me.Psi.green.getValue() > 2500) {
			# set mode to on
			me.Brakes.mode.setValue(1);
		} else if ((!parking and askidnws_sw and me.Psi.yellow.getValue() > 2500) or (!parking and askidnws_sw and accum > 0)) {
			# set mode to altn
			me.Brakes.mode.setValue(2);
		} else {
			# set mode to off
			me.Brakes.mode.setValue(0);
		}
		
		if (me.Brakes.mode.getValue() == 2 and me.Psi.yellow.getValue() > 2500 and accum < 700) {
			me.Brakes.accumPressPsi.setValue(me.Brakes.accumPressPsi.getValue() + 50);
		}
	},
};

setlistener("/controls/gear/gear-down", func {
	down = getprop("/controls/gear/gear-down");
	if (!down and (getprop("/gear/gear[0]/wow") or getprop("/gear/gear[1]/wow") or getprop("/gear/gear[2]/wow"))) {
		setprop("/controls/gear/gear-down", 1);
	}
});