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fgdata/Nasal/canvas/map/traffic.model

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# WARNING: *.model files will be deprecated, see: http://wiki.flightgear.org/MapStructure
var MPTrafficModel = {};
MPTrafficModel.new = func make(LayerModel, MPTrafficModel);
MPTrafficModel.init = func {
var pos = geo.Coord.new(); # FIXME: all of these should be instance variables
var myPosition = geo.Coord.new();
var myPositionVec = me._controller['get_position']();
myPosition.set_latlon( myPositionVec[0], myPositionVec[1]);
var max_dist_nm = me._controller['query_range']();
me._view.reset(); # hides: removeAllChildren()
# AI traffic
var traffic = props.globals.initNode("/ai/models/").getChildren( "aircraft" );
foreach(var t; traffic) {
pos.set_latlon( t.getNode("position/latitude-deg").getValue(),
t.getNode("position/longitude-deg").getValue()
);
if (pos.distance_to( myPosition ) <= max_dist_nm*NM2M )
me.push(t);
}
# Multiplayer traffic
var traffic = props.globals.initNode("/ai/models/").getChildren( "multiplayer" );
foreach(var t; traffic) {
pos.set_latlon( t.getNode("position/latitude-deg").getValue(),
t.getNode("position/longitude-deg").getValue()
);
if (pos.distance_to( myPosition ) <= max_dist_nm*NM2M )
me.push(t);
}
me.notifyView();
# update itself FIXME: this needs to be killed by the controller (e.g. when tcas layer is disabled)
# and the interval needs to be configurable via the controller
# so better use maketimer() here
settimer(func me.init(), 2);
}