fgdata/Nasal/canvas/map/route.draw

##
# Draw a route with tracks and waypoints (from Gijs' 744 ND.nas code)
#


## FIXME: encapsulate properly
var wp = [];
var text_wp = [];

	# Change color of active waypoints
	var updatewp = func(activeWp)
	{
		forindex(var i; wp) {
			if(i == activeWp) {
				wp[i].setColor(1,0,1);
				#text_wp[i].setColor(1,0,1);
			} else {
				wp[i].setColor(1,1,1);
				#text_wp[i].setColor(1,1,1);
			}
		}
	};


var draw_route =  func (group, theroute, controller=nil, lod=0)
	{
	#print("draw_route");
	var route_group = group;

	var route = route_group.createChild("path","route")
		.setStrokeLineWidth(5)
		.setColor(1,0,1);
			
			var cmds = [];
			var coords = [];

			var fp = flightplan();
			var fpSize = fp.getPlanSize();
			
			wp = [];
			text_wp = [];
			setsize(wp,fpSize);
			setsize(text_wp,fpSize);
			
			# Retrieve route coordinates
			for (var i=0; i<(fpSize); i += 1)
			{
				if (i == 0) {
					var leg = fp.getWP(1);
					append(coords,"N"~leg.path()[0].lat);
					append(coords,"E"~leg.path()[0].lon);
					append(cmds,2);
					canvas.drawwp(group, leg.path()[0].lat, leg.path()[0].lon, fp.getWP(0).alt_cstr, fp.getWP(0).wp_name, i, wp);
					i+=1;
				}
				var leg = fp.getWP(i);
				append(coords,"N"~leg.path()[1].lat);
				append(coords,"E"~leg.path()[1].lon);
				append(cmds,4);
				canvas.drawwp(group, leg.path()[1].lat, leg.path()[1].lon, leg.alt_cstr, leg.wp_name, i, wp);
			}
			
			# Update route coordinates
			debug.dump(cmds);
			debug.dump(coords);
			route.setDataGeo(cmds, coords);
			updatewp(0);
}