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fgdata/Phi/topics/Map/AILayer.js

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8.2 KiB
JavaScript

(function(factory) {
if (typeof define === "function" && define.amd) {
// AMD. Register as an anonymous module.
define([
'knockout', 'leaflet', 'props'
], factory);
} else {
// Browser globals
factory();
}
}(function(ko, leaflet, SGPropertyNode ) {
var AITypeToCssClassMap = {
aircraft: "ai-aircraft-marker-icon",
multiplayer: "mp-aircraft-marker-icon"
}
function formatFL(num) {
return "F" + ("000" + (num/100).toFixed(0)).substr(-3,3);
}
function ViewModel(h,l) {
var self = this;
self.heading = h;
self.labelLines = l;
}
leaflet.AILayer = leaflet.GeoJSON.extend({
options : {
pointToLayer : function(feature, latlng) {
var options = {
title : feature.properties.callsign,
alt : feature.properties.callsign,
riseOnHover : true,
draggable : true,
};
var aiMarker = null;
if (feature.properties.type == "aircraft" || feature.properties.type == "multiplayer") {
var l1 = feature.properties.callsign,
l2 = feature.properties.heading + 'T ' + feature.properties.speed + 'KTAS ' +
formatFL(feature.geometry.coordinates[2]),
l3 = feature.properties.departureAirportId + ' -> ' + feature.properties.arrivalAirportId;
aiMarker = L.aiAircraftMarker(latlng, { className: AITypeToCssClassMap[feature.properties.type] } );
aiMarker.on('add', function(e) {
if(feature.properties.type == "aircraft")
ko.applyBindings( new ViewModel(feature.properties.heading,[ l1,l2, l3 ]), e.target._icon);
else
ko.applyBindings( new ViewModel(feature.properties.heading,[ l1,l2 ]), e.target._icon);
});
aiMarker.options.draggable = true;
//We can't drag multiplayer
if(feature.properties.type == "aircraft") {
aiMarker.on('dragstart', function(evt) {
evt.target.isDragging = true;
});
aiMarker.on('dragend', function(evt) {
if( evt.target !== this)
return;
var pos = evt.target.getLatLng();
var props = {
name : "position",
children : [
{
name : "latitude-deg",
value : pos.lat,
}, {
name : "longitude-deg",
value : pos.lng,
},
],
};
$.post("json" + feature.properties.path, JSON.stringify(props));
evt.target.isDragging = false;
});
}
return aiMarker;
}
else if(feature.properties.type == "carrier"){
aiMarker = new leaflet.Marker(latlng, options);
return aiMarker;
}
},
// onEachFeature : function(feature, layer) {
// },
},
onAdd : function(map) {
leaflet.GeoJSON.prototype.onAdd.call(this, map);
this.update(++this.updateId);
},
onRemove : function(map) {
this.updateId++;
leaflet.GeoJSON.prototype.onRemove.call(this, map);
},
stop : function() {
this.updateId++;
},
// Refresh method called every 10s to reload other aircraft
updateId : 0,
update : function(id) {
var self = this;
if (self.updateId != id)
return;
var url = "/json/ai/models?d=99";
var jqxhr = $.get(url).done(function(data) {
self.clearLayers();
self.addData(self.aiPropsToGeoJson(data, [
"aircraft", "multiplayer", "carrier"
], self._map.getBounds()));
}).fail(function(a, b) {
self.updateId++;
alert('failed to load AI data');
}).always(function() {
});
if (self.updateId == id) {
setTimeout(function() {
self.update(id)
}, 10000);
}
},
// Builds the GeoJSON representation of AI, Multiplayer and Carriers
aiPropsToGeoJson : function(props, types, bounds ) {
var geoJSON = {
type : "FeatureCollection",
features : [],
};
var root = new SGPropertyNode(props);
types.forEach(function(type) {
root.getChildren(type).forEach(function(child) {
if (!child.getNode("valid") || !child.getNode("valid").getValue())
return;
var path = child.getPath();
var position = child.getNode("position");
var orientation = child.getNode("orientation");
var velocities = child.getNode("velocities");
var lon = position.getNode("longitude-deg").getValue();
var lat = position.getNode("latitude-deg").getValue();
if( false == bounds.contains(L.latLng(lat,lon)) ) {
return;
}
var alt = position.getNode("altitude-ft").getValue();
var heading = orientation.getNode("true-heading-deg").getValue();
var id = child.getNode("id").getValue();
var callsign = "";
var name = "";
var speed = 0;
var departureAirportId = "";
var arrivalAirportId = "";
if (type == "multiplayer") {
name = child.getNode("sim").getNode("model").getNode("path").getValue();
}
if (type == "carrier") {
callsign = child.getNode("sign").getValue();
name = child.getNode("name").getValue();
speed = velocities.getNode("speed-kts").getValue();
} else {
callsign = child.getNode("callsign").getValue();
speed = velocities.getNode("true-airspeed-kt").getValue();
departureAirportId = child.getNode("departure-airport-id").getValue();
arrivalAirportId = child.getNode("arrival-airport-id").getValue();
}
geoJSON.features.push({
"type" : "Feature",
"geometry" : {
"type" : "Point",
"coordinates" : [
lon, lat, alt.toFixed(0)
],
},
"id" : id,
"properties" : {
"path" : path,
"type" : type,
"heading" : heading.toFixed(0),
"speed" : speed.toFixed(0),
"callsign" : callsign,
"name" : name,
"departureAirportId" : departureAirportId,
"arrivalAirportId" : arrivalAirportId,
},
});
});
});
return geoJSON;
},
});
leaflet.aiLayer = function(options) {
return new leaflet.AILayer(null, options);
}
}));