106 lines
3.3 KiB
Text
106 lines
3.3 KiB
Text
# See: http://wiki.flightgear.org/MapStructure
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# Class things:
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var name = 'HOLD';
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var parents = [canvas.DotSym];
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var __self__ = caller(0)[0];
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canvas.DotSym.makeinstance( name, __self__ );
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#canvas.SymbolLayer.get(name).df_style = {
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# radius: 13,
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#};
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var element_type = "group";
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var draw_pattern = func(dist, ){
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var pattern = me.element.createChild("path", 'hold-pattern');
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pattern.set("z-index",4);
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var w = (dist * 2) / math.pi;
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var h = dist * 70;
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var r = w / 2;
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pattern.arcSmallCW(r,r,0,70 * w,0).
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line(0,h).
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arcSmallCW(r,r,0,-70 * w,0).
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line(0,-h).
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setStrokeLineWidth(5).
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setColor(me.active_color);
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return pattern;
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};
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var draw_hold_sym = func(turn){
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var hold_symbol = me.element.createChild("group", 'hold-symbol');
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var svg = "Nasal/canvas/map/Airbus/Images/airbus_hold"~turn~".svg";
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canvas.parsesvg(hold_symbol, svg);
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hold_symbol.setTranslation(-32,-64).set('z-index', 4);
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return hold_symbol;
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}
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var init = func {
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var type = me.model.type;
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var dist = me.model.dist;
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var turn = me.model.turn;
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me.active_color = me.getStyle('active_color',
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me.getOption('active_route_color',
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[0.4,0.7,0.4]));
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me.inactive_color = me.getStyle('inactive_color',
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me.getOption('inactive_route_color',
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[0.95,0.95,0.21]));
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if(type == 'pattern'){
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me.hold_pattern = me.draw_pattern(dist);
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me.hold_symbol = nil;
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} else {
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#print('CREATING HOLD SYM');
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me.hold_pattern = nil;
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me.hold_symbol = me.draw_hold_sym(turn);
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}
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}
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var draw = func{
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var type = me.model.type;
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var map = me.layer.map;
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var pos = map.getPos();
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if(type == 'pattern'){
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var dist = me.model.dist;
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if(me.hold_symbol != nil){
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me.hold_symbol.hide();
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}
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if(me.hold_pattern == nil)
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me.hold_pattern = me.draw_pattern(dist);
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if(me.hold_pattern == nil) return;
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var radial = me.model.radial;
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if(radial != nil){
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var hdg = pos[2];
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if(hdg == nil) hdg = 0;
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radial -= hdg;
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if(radial < 0) radial = 360 + radial;
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me.element.setRotation(radial*D2R);
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}
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var rng = pos[3];
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if(rng == nil) rng = 10;
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rng = 10 / rng;
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me.element.setScale(rng,rng);
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var lat_ctrl = getprop(me.getOption('lat_ctrl'));
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var lnav = (lat_ctrl == me.getOption('lat_ctrl_managed','fmgc'));
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var actv = getprop(me.getOption('fplan_active'));
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#print('HOLD ' ~ lnav ~ ',' ~ actv);
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if(!lnav or !actv)
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me.hold_pattern.setStrokeDashArray([32, 16]);
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else
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me.hold_pattern.setStrokeDashArray([1,0]);
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if(!actv)
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me.hold_pattern.setColor(me.inactive_color);
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else
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me.hold_pattern.setColor(me.active_color);
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} else {
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var turn = me.model.turn;
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if(me.hold_pattern != nil){
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me.hold_pattern.hide();
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}
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if(me.hold_symbol == nil)
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me.hold_symbol = me.draw_hold_sym(turn);
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me.hold_symbol.show();
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me.element.setScale(1,1);
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me.element.setRotation(0);
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}
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}
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