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108 lines
2.5 KiB
108 lines
2.5 KiB
#
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# Aerotow Everywhere - Add-on for FlightGear
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#
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# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
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#
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# Copyright (C) 2022 Roman Ludwicki
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#
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# Aerotow Everywhere is an Open Source project and it is licensed
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# under the GNU Public License v3 (GPLv3)
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#
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#
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# Class Aerotow for enable and disable scenario with aerotow aircraft.
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#
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var Aerotow = {
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#
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# Constructor
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#
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# addon - Addon object
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#
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new: func (addon) {
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var obj = { parents: [Aerotow] };
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obj.addon = addon;
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obj.addonNodePath = addon.node.getPath();
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obj.listeners = [];
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obj.message = Message.new();
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obj.thermal = Thermal.new(addon, obj.message);
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obj.scenario = Scenario.new(addon, obj.message);
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# Listener for ai-model property triggered when the user select a tow aircraft from add-on menu
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append(obj.listeners, setlistener(obj.addonNodePath ~ "/addon-devel/ai-model", func () {
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obj.restartAerotow();
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}));
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return obj;
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},
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#
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# Uninitialize aerotow module
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#
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del: func () {
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me.thermal.del();
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me.scenario.del();
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foreach (var listener; me.listeners) {
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removelistener(listener);
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}
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},
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#
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# Function for restart AI scenario with delay when the sound has to stop.
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#
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restartAerotow: func () {
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me.message.success("Aerotow on the way");
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# Stop playing engine sound
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setprop(me.addonNodePath ~ "/addon-devel/sound/enable", false);
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# Wait a second for the engine sound to turn off
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Timer.new().singleShot(1, me, func () {
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me.unloadScenario();
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});
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},
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#
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# Unload scenario and start a new one
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#
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unloadScenario: func () {
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if (!me.scenario.unload()) {
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return;
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}
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# Start aerotow with delay to avoid duplicate engine sound playing
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Timer.new().singleShot(1, me, func () {
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me.startAerotow();
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});
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},
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#
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# Main function to prepare AI scenario and run it.
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#
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# Return true on successful, otherwise false.
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#
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startAerotow: func () {
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if (!me.scenario.unload()) {
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return false;
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}
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if (!me.scenario.generateXml()) {
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return false;
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}
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return me.scenario.load();
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},
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#
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# Function for unload our AI scenario.
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#
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# Return true on successful, otherwise false.
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#
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stopAerotow: func () {
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var withMessages = true;
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return me.scenario.unload(withMessages);
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},
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};
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