- merge YASim fuel management parts in (should still work with JSBSim as
far as this supports air refueling at all) - make listeners keep variables up-to-date (for better performance) - remove the ugly initialization stuff in the main loop, but wait in an extra loop for the FDM to come up This script works now with the a4f, too. The vulcan2 is *supposed* to work, but there's apparently a bug in it that prevents it. /systems/refuel/contact is correcly set, and that should be enough for it.
This commit is contained in:
mfranz
parent
65d4a4ba0a
commit
8994a4df3f
1 changed files with 209 additions and 97 deletions
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@ -3,118 +3,230 @@
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# + level-lbs - OUTPUT ONLY property, do not try to set
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# + selected - boolean indicating tank selection.
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# + density-ppg - Fuel density, in lbs/gallon.
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# + capacity-gal_us - Tank capacity
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# + capacity-gal_us - Tank capacity
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#
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# Properties under /engines/engine[n]:
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# + fuel-consumed-lbs - Output from the FDM, zeroed by this script
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# + out-of-fuel - boolean, set by this code.
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# ==================================== timer stuff ===========================================
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# set the update period
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var UPDATE_PERIOD = 0.3;
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UPDATE_PERIOD = 0.3;
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# set the timer for the selected function
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registerTimer = func {
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settimer(arg[0], UPDATE_PERIOD);
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} # end function
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# =============================== end timer stuff ===========================================
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var enabled = nil;
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var fuel_freeze = nil;
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var ai_enabled = nil;
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var engines = nil;
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var tanks = nil;
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var refuelingN = nil;
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var aimodelsN = nil;
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initialized = 0;
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enabled = 0;
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#print ("running aar");
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#print (" enabled " , enabled, " initialized ", initialized);
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updateTanker = func {
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#print ("tanker update running ");
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#if (!initialized ) {
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#print("calling initialize");
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#initialize();}
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Refueling = props.globals.getNode("/systems/refuel/contact");
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AllAircraft = props.globals.getNode("ai/models").getChildren("aircraft");
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AllMultiplayer = props.globals.getNode("ai/models").getChildren("multiplayer");
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Aircraft = props.globals.getNode("ai/models/aircraft");
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# select all tankers which are in contact. For now we assume that it must be in
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# contact with us.
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selectedTankers = [];
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if ( enabled ) { # check that AI Models are enabled, otherwise don't bother
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foreach(a; AllAircraft) {
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contact_node = a.getNode("refuel/contact");
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id_node = a.getNode("id");
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tanker_node = a.getNode("tanker");
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contact = contact_node.getValue();
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id = id_node.getValue();
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tanker = tanker_node.getValue();
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#print ("contact ", contact , " tanker " , tanker );
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if (tanker and contact) {
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append(selectedTankers, a);
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}
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}
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foreach(m; AllMultiplayer) {
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contact_node = m.getNode("refuel/contact");
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id_node = m.getNode("id");
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tanker_node = m.getNode("tanker");
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contact = contact_node.getValue();
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id = id_node.getValue();
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tanker = tanker_node.getValue();
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# print (" mp contact ", contact , " tanker " , tanker );
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if (tanker and contact) {
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append(selectedTankers, m);
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}
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}
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}
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#print ("tankers ", size(selectedTankers) );
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if ( size(selectedTankers) >= 1 ){
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Refueling.setBoolValue(1);
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} else {
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Refueling.setBoolValue(0);
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}
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registerTimer(updateTanker);
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# initialize property if it doesn't exist, and set node type otherwise
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init_prop = func(node, prop, val, type = "double") {
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if (node.getNode(prop) != nil) {
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val = node.getNode(prop).getValue();
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}
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node = node.getNode(prop, 1);
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if (type == "double") {
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node.setDoubleValue(val);
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} elsif (type == "bool") {
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node.setBoolValue(val);
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} elsif (type == "int") {
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node.setIntValue(val);
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}
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}
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# Initalize: Make sure all needed properties are present and accounted
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# for, and that they have sane default values.
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update_loop = func {
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# check for contact with tanker aircraft
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var tankers = [];
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if (ai_enabled) {
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foreach (a; aimodelsN.getChildren("aircraft")) {
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var contact = a.getNode("refuel/contact").getBoolValue();
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var tanker = a.getNode("tanker").getBoolValue();
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#var id = a.getNode("id").getValue();
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#print("ai '", id, "' contact=", contact, " tanker=", tanker);
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if (tanker and contact) {
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append(tankers, a);
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}
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}
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foreach (m; aimodelsN.getChildren("multiplayer")) {
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var contact = m.getNode("refuel/contact").getBoolValue();
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var tanker = m.getNode("tanker").getBoolValue();
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#var id = m.getNode("id").getValue();
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#print("mp '", id, "' contact=", contact, " tanker=", tanker);
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if (tanker and contact) {
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append(tankers, m);
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}
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}
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}
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var refueling = size(tankers) >= 1;
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refuelingN.setBoolValue(refueling);
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if (fuel_freeze) {
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return settimer(update_loop, UPDATE_PERIOD);
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}
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# sum up consumed fuel
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var total = 0;
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foreach (var e; engines) {
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total += e.getNode("fuel-consumed-lbs").getValue();
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}
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# calculate fuel received
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if (refueling) {
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# assume max flow rate is 6000 lbs/min (for KC135)
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var received = 100 * UPDATE_PERIOD;
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total -= received;
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}
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var tanks = props.globals.getNode("consumables/fuel", 1).getChildren("tank");
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# make list of selected tanks
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var selected_tanks = [];
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foreach (var t; tanks) {
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var cap = t.getNode("capacity-gal_us", 1).getValue();
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if (cap != nil and cap > 0.01 and t.getNode("selected", 1).getBoolValue()) {
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append(selected_tanks, t);
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}
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}
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var out_of_fuel = 0;
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if (size(selected_tanks) == 0) {
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out_of_fuel = 1;
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} else {
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if (total >= 0) {
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var fuelPerTank = total / size(selected_tanks);
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foreach (var t; selected_tanks) {
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var ppg = t.getNode("density-ppg").getValue();
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var lbs = t.getNode("level-gal_us").getValue() * ppg;
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lbs -= fuelPerTank;
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if (lbs < 0) {
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lbs = 0;
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# Kill the engines if we're told to, otherwise simply
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# deselect the tank.
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if (t.getNode("kill-when-empty", 1).getBoolValue()) {
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out_of_fuel = 1;
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} else {
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t.getNode("selected", 1).setBoolValue(0);
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}
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}
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var gals = lbs / ppg;
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t.getNode("level-gal_us").setDoubleValue(gals);
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t.getNode("level-lbs").setDoubleValue(lbs);
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}
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} elsif (total < 0) {
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#find the number of tanks which can accept fuel
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var available = 0;
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foreach (var t; selected_tanks) {
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var ppg = t.getNode("density-ppg").getValue();
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var capacity = t.getNode("capacity-gal_us").getValue() * ppg;
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var lbs = t.getNode("level-gal_us").getValue() * ppg;
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if (lbs < capacity) {
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available += 1;
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}
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}
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if (available > 0) {
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var fuelPerTank = total / available;
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# add fuel to each available tank
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foreach (var t; selected_tanks) {
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var ppg = t.getNode("density-ppg").getValue();
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var capacity = t.getNode("capacity-gal_us").getValue() * ppg;
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var lbs = t.getNode("level-gal_us").getValue() * ppg;
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if (capacity - lbs >= fuelPerTank) {
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lbs -= fuelPerTank;
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} elsif (capacity - lbs < fuelPerTank) {
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lbs = capacity;
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}
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t.getNode("level-gal_us").setDoubleValue(lbs / ppg);
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t.getNode("level-lbs").setDoubleValue(lbs);
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}
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# print ("available ", available , " fuelPerTank " , fuelPerTank);
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}
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}
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}
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var gals = 0;
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var lbs = 0;
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var cap = 0;
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foreach (var t; tanks) {
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gals += t.getNode("level-gal_us", 1).getValue();
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lbs += t.getNode("level-lbs", 1).getValue();
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cap += t.getNode("capacity-gal_us", 1).getValue();
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}
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setprop("/consumables/fuel/total-fuel-gals", gals);
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setprop("/consumables/fuel/total-fuel-lbs", lbs);
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setprop("/consumables/fuel/total-fuel-norm", gals / cap);
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foreach (var e; engines) {
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e.getNode("out-of-fuel", 1).setBoolValue(out_of_fuel);
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}
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settimer(update_loop, UPDATE_PERIOD);
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}
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initialize = func {
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AI_Enabled = props.globals.getNode("sim/ai/enabled");
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Refueling = props.globals.getNode("/systems/refuel/contact",1);
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Refueling.setBoolValue(0);
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enabled = AI_Enabled.getValue();
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initialized = 1;
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fuel.updateFuel = func {}
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refuelingN = props.globals.getNode("/systems/refuel/contact", 1);
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refuelingN.setBoolValue(0);
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aimodelsN = props.globals.getNode("ai/models", 1);
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engines = props.globals.getNode("engines", 1).getChildren("engine");
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tanks = props.globals.getNode("consumables/fuel", 1).getChildren("tank");
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foreach (var e; engines) {
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e.getNode("fuel-consumed-lbs", 1).setDoubleValue(0);
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e.getNode("out-of-fuel", 1).setBoolValue(0);
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}
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foreach (var t; tanks) {
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init_prop(t, "level-gal_us", 0);
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init_prop(t, "level-lbs", 0);
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init_prop(t, "capacity-gal_us", 0.01); # Not zero (div/zero issue)
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init_prop(t, "density-ppg", 6.0); # gasoline
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init_prop(t, "selected", 1, "bool");
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}
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setlistener("sim/freeze/fuel", func { fuel_freeze = cmdarg().getBoolValue() }, 1);
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setlistener("sim/ai/enabled", func { ai_enabled = cmdarg().getBoolValue() }, 1);
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update_loop();
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}
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initDoubleProp = func {
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node = arg[0]; prop = arg[1]; val = arg[2];
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if(node.getNode(prop) != nil) {
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val = num(node.getNode(prop).getValue());
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}
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node.getNode(prop, 1).setDoubleValue(val);
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wait_for_fdm = func {
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if (getprop("/position/altitude-agl-ft")) { # is there a better indicator?
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initialize();
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} else {
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settimer(wait_for_fdm, 1);
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}
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}
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# Fire it up
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if (!initialized) {initialize();}
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registerTimer(updateTanker);
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settimer(wait_for_fdm, 0);
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