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fgdata/Nasal/canvas/map/navdisplay.mfd

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# ==============================================================================
# Boeing Navigation Display by Gijs de Rooy
# See: http://wiki.flightgear.org/Canvas_ND_Framework
# ==============================================================================
##
# this file contains a hash that declares features in a generic fashion
# we want to get rid of the bloated update() method sooner than later
# PLEASE DO NOT ADD any code to update() !!
# Instead, help clean up the file and move things over to the navdisplay.styles file
#
# This is the only sane way to keep on generalizing the framework, so that we can
# also support different makes/models of NDs in the future
#
# a huge bloated update() method is going to make that basically IMPOSSIBLE
#
io.include("Nasal/canvas/map/navdisplay.styles");
##
# encapsulate hdg/lat/lon source, so that the ND may also display AI/MP aircraft in a pilot-view at some point (aka stress-testing)
# TODO: this predates aircraftpos.controller (MapStructure) should probably be unified to some degree ...
var NDSourceDriver = {};
NDSourceDriver.new = func {
var m = {parents:[NDSourceDriver]};
m.get_hdg_mag= func getprop("/orientation/heading-magnetic-deg");
m.get_hdg_tru= func getprop("/orientation/heading-deg");
m.get_hgg = func getprop("instrumentation/afds/settings/heading");
m.get_trk_mag= func
{
if(getprop("/velocities/groundspeed-kt") > 80)
getprop("/orientation/track-magnetic-deg");
else
getprop("/orientation/heading-magnetic-deg");
};
m.get_trk_tru = func
{
if(getprop("/velocities/groundspeed-kt") > 80)
getprop("/orientation/track-deg");
else
getprop("/orientation/heading-deg");
};
m.get_lat= func getprop("/position/latitude-deg");
m.get_lon= func getprop("/position/longitude-deg");
m.get_spd= func getprop("/instrumentation/airspeed-indicator/true-speed-kt");
m.get_gnd_spd= func getprop("/velocities/groundspeed-kt");
m.get_vspd= func getprop("/velocities/vertical-speed-fps");
return m;
}
##
# configure aircraft specific cockpit switches here
# these are some defaults, can be overridden when calling NavDisplay.new() -
# see the 744 ND.nas file the backend code should never deal directly with
# aircraft specific properties using getprop.
# To get started implementing your own ND, just copy the switches hash to your
# ND.nas file and map the keys to your cockpit properties - and things will just work.
# TODO: switches are ND specific, so move to the NDStyle hash!
var default_switches = {
'toggle_range': {path: '/inputs/range-nm', value:40, type:'INT'},
'toggle_weather': {path: '/inputs/wxr', value:0, type:'BOOL'},
'toggle_airports': {path: '/inputs/arpt', value:0, type:'BOOL'},
'toggle_stations': {path: '/inputs/sta', value:0, type:'BOOL'},
'toggle_waypoints': {path: '/inputs/wpt', value:0, type:'BOOL'},
'toggle_position': {path: '/inputs/pos', value:0, type:'BOOL'},
'toggle_data': {path: '/inputs/data',value:0, type:'BOOL'},
'toggle_terrain': {path: '/inputs/terr',value:0, type:'BOOL'},
'toggle_traffic': {path: '/inputs/tfc',value:0, type:'BOOL'},
'toggle_centered': {path: '/inputs/nd-centered',value:0, type:'BOOL'},
'toggle_lh_vor_adf': {path: '/inputs/lh-vor-adf',value:0, type:'INT'},
'toggle_rh_vor_adf': {path: '/inputs/rh-vor-adf',value:0, type:'INT'},
'toggle_display_mode': {path: '/mfd/display-mode', value:'MAP', type:'STRING'}, # valid values are: APP, MAP, PLAN or VOR
'toggle_display_type': {path: '/mfd/display-type', value:'CRT', type:'STRING'}, # valid values are: CRT or LCD
'toggle_true_north': {path: '/mfd/true-north', value:0, type:'BOOL'},
'toggle_rangearc': {path: '/mfd/rangearc', value:0, type:'BOOL'},
'toggle_track_heading':{path: '/trk-selected', value:0, type:'BOOL'},
};
##
# TODO:
# - introduce a MFD class (use it also for PFD/EICAS)
# - introduce a SGSubsystem class and use it here
# - introduce a Boeing NavDisplay class
var NavDisplay = {
# static
id:0,
del: func {
print("Cleaning up NavDisplay");
# shut down all timers and other loops here
me.update_timer.stop();
foreach(var t; me.timers)
t.stop();
foreach(var l; me.listeners)
removelistener(l);
# clean up MapStructure
me.map.del();
# destroy the canvas
if (me.canvas_handle != nil)
me.canvas_handle.del();
me.inited = 0;
NavDisplay.id -= 1;
},
addtimer: func(interval, cb) {
append(me.timers, var job=maketimer(interval, cb));
return job; # so that we can directly work with the timer (start/stop)
},
listen: func(p,c) {
append(me.listeners, setlistener(p,c));
},
# listeners for cockpit switches
listen_switch: func(s,c) {
# print("event setup for: ", id(c));
me.listen( me.get_full_switch_path(s), func {
# print("listen_switch triggered:", s, " callback id:", id(c) );
c();
});
},
# get the full property path for a given switch
get_full_switch_path: func (s) {
# debug.dump( me.efis_switches[s] );
return me.efis_path ~ me.efis_switches[s].path; # FIXME: should be using props.nas instead of ~
},
# helper method for getting configurable cockpit switches (which are usually different in each aircraft)
get_switch: func(s) {
var switch = me.efis_switches[s];
var path = me.efis_path ~ switch.path ;
#print(s,":Getting switch prop:", path);
return getprop( path );
},
# for creating NDs that are driven by AI traffic instead of the main aircraft (generalization rocks!)
connectAI: func(source=nil) {
me.aircraft_source = {
get_hdg_mag: func source.getNode('orientation/heading-magnetic-deg').getValue(),
get_trk_mag: func source.getNode('orientation/track-magnetic-deg').getValue(),
get_lat: func source.getNode('position/latitude-deg').getValue(),
get_lon: func source.getNode('position/longitude-deg').getValue(),
get_spd: func source.getNode('velocities/true-airspeed-kt').getValue(),
get_gnd_spd: func source.getNode('velocities/groundspeed-kt').getValue(),
};
}, # of connectAI
setTimerInterval: func(update_time=0.05) me.update_timer.restart(update_time),
# TODO: the ctor should allow customization, for different aircraft
# especially properties and SVG files/handles (747, 757, 777 etc)
new : func(prop1, switches=default_switches, style='Boeing') {
NavDisplay.id +=1;
var m = { parents : [NavDisplay]};
m.inited = 0;
m.timers=[];
m.listeners=[]; # for cleanup handling
m.aircraft_source = NDSourceDriver.new(); # uses the main aircraft as the driver/source (speeds, position, heading)
m.nd_style = NDStyles[style]; # look up ND specific stuff (file names etc)
m.radio_list=["instrumentation/comm/frequencies","instrumentation/comm[1]/frequencies",
"instrumentation/nav/frequencies", "instrumentation/nav[1]/frequencies"];
m.mfd_mode_list=["APP","VOR","MAP","PLAN"];
m.efis_path = prop1;
m.efis_switches = switches;
# just an alias, to avoid having to rewrite the old code for now
m.rangeNm = func m.get_switch('toggle_range');
m.efis = props.globals.initNode(prop1);
m.mfd = m.efis.initNode("mfd");
# TODO: unify this with switch handling
m.mfd_mode_num = m.mfd .initNode("mode-num",2,"INT");
m.std_mode = m.efis.initNode("inputs/setting-std",0,"BOOL");
m.previous_set = m.efis.initNode("inhg-previous",29.92);
m.kpa_mode = m.efis.initNode("inputs/kpa-mode",0,"BOOL");
m.kpa_output = m.efis.initNode("inhg-kpa",29.92);
m.kpa_prevoutput = m.efis.initNode("inhg-kpa-previous",29.92);
m.temp = m.efis.initNode("fixed-temp",0);
m.alt_meters = m.efis.initNode("inputs/alt-meters",0,"BOOL");
m.fpv = m.efis.initNode("inputs/fpv",0,"BOOL");
m.mins_mode = m.efis.initNode("inputs/minimums-mode",0,"BOOL");
m.mins_mode_txt = m.efis.initNode("minimums-mode-text","RADIO","STRING");
m.minimums = m.efis.initNode("minimums",250,"INT");
m.mk_minimums = props.globals.getNode("instrumentation/mk-viii/inputs/arinc429/decision-height");
# TODO: these are switches, can be unified with switch handling hash above (eventually):
m.nd_plan_wpt = m.efis.initNode("inputs/plan-wpt-index", 0, "INT"); # not yet in switches hash
###
# initialize all switches based on the defaults specified in the switch hash
#
foreach(var switch; keys( m.efis_switches ) )
props.globals.initNode
( m.get_full_switch_path (switch),
m.efis_switches[switch].value,
m.efis_switches[switch].type
);
return m;
},
newMFD: func(canvas_group, parent=nil, options=nil, update_time=0.05)
{
if (me.inited) die("MFD already was added to scene");
me.inited = 1;
me.update_timer = maketimer(update_time, func me.update() );
me.nd = canvas_group;
me.canvas_handle = parent;
# load the specified SVG file into the me.nd group and populate all sub groups
canvas.parsesvg(me.nd, me.nd_style.svg_filename, {'font-mapper': me.nd_style.font_mapper});
me.symbols = {}; # storage for SVG elements, to avoid namespace pollution (all SVG elements end up here)
foreach(var feature; me.nd_style.features ) {
me.symbols[feature.id] = me.nd.getElementById(feature.id).updateCenter();
if(contains(feature.impl,'init')) feature.impl.init(me.nd, feature); # call The element's init code (i.e. updateCenter)
}
### this is the "old" method that's less flexible, we want to use the style hash instead (see above)
# because things are much better configurable that way
# now look up all required SVG elements and initialize member fields using the same name to have a convenient handle
foreach(var element; ["dmeLDist","dmeRDist","dmeL","dmeR","vorL","vorR","vorLId","vorRId",
"status.wxr","status.wpt","status.sta","status.arpt"])
me.symbols[element] = me.nd.getElementById(element);
# load elements from vector image, and create instance variables using identical names, and call updateCenter() on each
# anything that needs updatecenter called, should be added to the vector here
#
foreach(var element; ["staArrowL2","staArrowR2","staFromL2","staToL2","staFromR2","staToR2",
"hdgTrk","trkInd","hdgBug","HdgBugCRT","TrkBugLCD","HdgBugLCD","curHdgPtr",
"HdgBugCRT2","TrkBugLCD2","HdgBugLCD2","hdgBug2","selHdgLine","selHdgLine2","curHdgPtr2",
"staArrowL","staArrowR","staToL","staFromL","staToR","staFromR"] )
me.symbols[element] = me.nd.getElementById(element).updateCenter();
me.map = me.nd.createChild("map","map")
.set("clip", "rect(124, 1024, 1024, 0)")
.set("screen-range", 700);
me.update_sub(); # init some map properties based on switches
# predicate for the draw controller
var is_tuned = func(freq) {
var nav1=getprop("instrumentation/nav[0]/frequencies/selected-mhz");
var nav2=getprop("instrumentation/nav[1]/frequencies/selected-mhz");
if (freq == nav1 or freq == nav2) return 1;
return 0;
}
# another predicate for the draw controller
var get_course_by_freq = func(freq) {
if (freq == getprop("instrumentation/nav[0]/frequencies/selected-mhz"))
return getprop("instrumentation/nav[0]/radials/selected-deg");
else
return getprop("instrumentation/nav[1]/radials/selected-deg");
}
var get_current_position = func {
delete(caller(0)[0], "me"); # remove local me, inherit outer one
return [
me.aircraft_source.get_lat(), me.aircraft_source.get_lon()
];
}
# a hash with controller callbacks, will be passed onto draw routines to customize behavior/appearance
# the point being that draw routines don't know anything about their frontends (instrument or GUI dialog)
# so we need some simple way to communicate between frontend<->backend until we have real controllers
# for now, a single controller hash is shared by most layers - unsupported callbacks are simply ignored by the draw files
#
var controller = {
parents: [canvas.Map.Controller],
_pos: nil, _time: nil,
is_tuned:is_tuned,
get_tuned_course:get_course_by_freq,
get_position: get_current_position,
new: func(map) return { parents:[controller], map:map },
should_update_all: func {
# TODO: this is just copied from aircraftpos.controller,
# it really should be moved to somewhere common and reused
# and extended to fully differentiate between "static"
# and "volatile" layers.
var pos = me.map.getPosCoord();
if (pos == nil) return 0;
var time = systime();
if (me._pos == nil)
me._pos = geo.Coord.new(pos);
else {
var dist_m = me._pos.direct_distance_to(pos);
# 2 NM until we update again
if (dist_m < 2 * NM2M) return 0;
# Update at most every 4 seconds to avoid excessive stutter:
elsif (time - me._time < 4) return 0;
}
#print("update aircraft position");
var (x,y,z) = pos.xyz();
me._pos.set_xyz(x,y,z);
me._time = time;
return 1;
},
};
me.map.setController(controller);
###
# set up various layers, controlled via callbacks in the controller hash
# revisit this code once Philosopher's "Smart MVC Symbols/Layers" work is committed and integrated
# helper / closure generator
var make_event_handler = func(predicate, layer) func predicate(me, layer);
me.layers={}; # storage container for all ND specific layers
# look up all required layers as specified per the NDStyle hash and do the initial setup for event handling
foreach(var layer; me.nd_style.layers) {
if(layer['disabled']) continue; # skip this layer
#print("newMFD(): Setting up ND layer:", layer.name);
var the_layer = nil;
if(!layer['isMapStructure']) # set up an old INEFFICIENT and SLOW layer
the_layer = me.layers[layer.name] = canvas.MAP_LAYERS[layer.name].new( me.map, layer.name, controller );
else {
printlog(_MP_dbg_lvl, "Setting up MapStructure-based layer for ND, name:", layer.name);
var opt = options != nil and options[layer.name] != nil ? options[layer.name] :nil;
# print("Options is: ", opt!=nil?"enabled":"disabled");
me.map.addLayer(
factory: canvas.SymbolLayer,
type_arg: layer.name,
options:opt,
visible:0,
priority: layer['z-index']
);
the_layer = me.layers[layer.name] = me.map.getLayer(layer.name);
if (1) (func {
var l = layer;
var _predicate = l.predicate;
l.predicate = func {
var t = systime();
call(_predicate, arg, me);
printlog(_MP_dbg_lvl, "Took "~((systime()-t)*1000)~"ms to update layer "~l.name);
}
})();
}
# now register all layer specific notification listeners and their corresponding update predicate/callback
# pass the ND instance and the layer handle to the predicate when it is called
# so that it can directly access the ND instance and its own layer (without having to know the layer's name)
var event_handler = make_event_handler(layer.predicate, the_layer);
foreach(var event; layer.update_on) {
# this handles timers
if (typeof(event)=='hash' and contains(event, 'rate_hz')) {
#print("FIXME: navdisplay.mfd timer handling is broken ATM");
var job=me.addtimer(1/event.rate_hz, event_handler);
job.start();
}
# and this listeners
else
# print("Setting up subscription:", event, " for ", layer.name, " handler id:", id(event_handler) );
me.listen_switch(event, event_handler);
} # foreach event subscription
# and now update/init each layer once by calling its update predicate for initialization
event_handler();
} # foreach layer
#print("navdisplay.mfd:ND layer setup completed");
# start the update timer, which makes sure that the update() will be called
me.update_timer.start();
# TODO: move this to RTE.lcontroller ?
me.listen("/autopilot/route-manager/current-wp", func(activeWp) {
canvas.updatewp( activeWp.getValue() );
});
},
in_mode:func(switch, modes)
{
foreach(var m; modes) if(me.get_switch(switch)==m) return 1;
return 0;
},
# Helper function for below (update()) and above (newMFD())
# to ensure position etc. are correct.
update_sub: func()
{
# Variables:
var userLat = me.aircraft_source.get_lat();
var userLon = me.aircraft_source.get_lon();
var userGndSpd = me.aircraft_source.get_gnd_spd();
var userVSpd = me.aircraft_source.get_vspd();
var dispLCD = me.get_switch('toggle_display_type') == "LCD";
# Heading update
var userHdgMag = me.aircraft_source.get_hdg_mag();
var userHdgTru = me.aircraft_source.get_hdg_tru();
var userTrkMag = me.aircraft_source.get_trk_mag();
var userTrkTru = me.aircraft_source.get_trk_tru();
if(me.get_switch('toggle_true_north')) {
var userHdg=userHdgTru;
me.userHdg=userHdgTru;
var userTrk=userTrkTru;
me.userTrk=userTrkTru;
} else {
var userHdg=userHdgMag;
me.userHdg=userHdgMag;
var userTrk=userTrkMag;
me.userTrk=userTrkMag;
}
# this should only ever happen when testing the experimental AI/MP ND driver hash (not critical)
# or when an error occurs (critical)
if (!userHdg or !userTrk or !userLat or !userLon) {
print("aircraft source invalid, returning !");
return;
}
if (me.aircraft_source.get_gnd_spd() < 80) {
userTrk = userHdg;
me.userTrk=userHdg;
}
if((me.in_mode('toggle_display_mode', ['MAP']) and me.get_switch('toggle_display_type') == "CRT")
or (me.get_switch('toggle_track_heading') and me.get_switch('toggle_display_type') == "LCD"))
{
userHdgTrk = userTrk;
me.userHdgTrk = userTrk;
userHdgTrkTru = userTrkTru;
me.symbols.hdgTrk.setText("TRK");
} else {
userHdgTrk = userHdg;
me.userHdgTrk = userHdg;
userHdgTrkTru = userHdgTru;
me.symbols.hdgTrk.setText("HDG");
}
# First, update the display position of the map
var pos = {
lat: nil, lon: nil,
alt: nil, hdg: nil,
range: nil,
};
# reposition the map, change heading & range:
if(me.in_mode('toggle_display_mode', ['PLAN']) and getprop(me.efis_path ~ "/inputs/plan-wpt-index") >= 0) {
pos.lat = getprop("/autopilot/route-manager/route/wp["~getprop(me.efis_path ~ "/inputs/plan-wpt-index")~"]/latitude-deg");
pos.lon = getprop("/autopilot/route-manager/route/wp["~getprop(me.efis_path ~ "/inputs/plan-wpt-index")~"]/longitude-deg");
} else {
pos.lat = userLat;
pos.lon = userLon;
}
if(me.in_mode('toggle_display_mode', ['PLAN'])) {
pos.hdg = 0;
pos.range = me.rangeNm()*2
} else {
pos.range = me.rangeNm(); # avoid this here, use a listener instead
pos.hdg = userHdgTrkTru;
}
call(me.map.setPos, [pos.lat, pos.lon], me.map, pos);
},
# each model should keep track of when it last got updated, using current lat/lon
# in update(), we can then check if the aircraft has traveled more than 0.5-1 nm (depending on selected range)
# and update each model accordingly
# TODO: Hooray is still waiting for a really rainy weekend to clean up all the mess here... so plz don't add to it!
update: func() # FIXME: This stuff is still too aircraft specific, cannot easily be reused by other aircraft
{
var _time = systime();
call(me.update_sub, nil, nil, caller(0)[0]); # call this in the same namespace to "steal" its variables
# MapStructure update!
if (me.map.controller.should_update_all()) {
me.map.update();
} else {
# TODO: ugly list here
# FIXME: use a VOLATILE layer helper here that handles TFC, APS, WXR etc ?
me.map.update(func(layer) (var n=layer.type) == "TFC" or n == "APS");
}
# Other symbol update
# TODO: should be refactored!
if(me.in_mode('toggle_display_mode', ['PLAN']))
me.map.setTranslation(512,512);
elsif(me.get_switch('toggle_centered'))
me.map.setTranslation(512,565);
else
me.map.setTranslation(512,824);
if(me.get_switch('toggle_rh_vor_adf') == 1) {
me.symbols.vorR.setText("VOR R");
me.symbols.vorR.setColor(0.195,0.96,0.097);
me.symbols.dmeR.setText("DME");
me.symbols.dmeR.setColor(0.195,0.96,0.097);
if(getprop("instrumentation/nav[1]/in-range"))
me.symbols.vorRId.setText(getprop("instrumentation/nav[1]/nav-id"));
else
me.symbols.vorRId.setText(getprop("instrumentation/nav[1]/frequencies/selected-mhz-fmt"));
me.symbols.vorRId.setColor(0.195,0.96,0.097);
if(getprop("instrumentation/dme[1]/in-range"))
me.symbols.dmeRDist.setText(sprintf("%3.1f",getprop("instrumentation/dme[1]/indicated-distance-nm")));
else me.symbols.dmeRDist.setText(" ---");
me.symbols.dmeRDist.setColor(0.195,0.96,0.097);
} elsif(me.get_switch('toggle_rh_vor_adf') == -1) {
me.symbols.vorR.setText("ADF R");
me.symbols.vorR.setColor(0,0.6,0.85);
me.symbols.dmeR.setText("");
me.symbols.dmeR.setColor(0,0.6,0.85);
if((var navident=getprop("instrumentation/adf[1]/ident")) != "")
me.symbols.vorRId.setText(navident);
else me.symbols.vorRId.setText(sprintf("%3d",getprop("instrumentation/adf[1]/frequencies/selected-khz")));
me.symbols.vorRId.setColor(0,0.6,0.85);
me.symbols.dmeRDist.setText("");
me.symbols.dmeRDist.setColor(0,0.6,0.85);
} else {
me.symbols.vorR.setText("");
me.symbols.dmeR.setText("");
me.symbols.vorRId.setText("");
me.symbols.dmeRDist.setText("");
}
# Hide heading bug 10 secs after change
var vhdg_bug = getprop("autopilot/settings/heading-bug-deg") or 0;
var hdg_bug_active = getprop("autopilot/settings/heading-bug-active");
if (hdg_bug_active == nil)
hdg_bug_active = 1;
if((me.in_mode('toggle_display_mode', ['MAP']) and me.get_switch('toggle_display_type') == "CRT")
or (me.get_switch('toggle_track_heading') and me.get_switch('toggle_display_type') == "LCD"))
{
me.symbols.trkInd.setRotation(0);
me.symbols.curHdgPtr.setRotation((userHdg-userTrk)*D2R);
me.symbols.curHdgPtr2.setRotation((userHdg-userTrk)*D2R);
}
else
{
me.symbols.trkInd.setRotation((userTrk-userHdg)*D2R);
me.symbols.curHdgPtr.setRotation(0);
me.symbols.curHdgPtr2.setRotation(0);
}
if(!me.in_mode('toggle_display_mode', ['PLAN']))
{
var hdgBugRot = (vhdg_bug-userHdgTrk)*D2R;
me.symbols.selHdgLine.setRotation(hdgBugRot);
me.symbols.hdgBug.setRotation(hdgBugRot);
me.symbols.hdgBug2.setRotation(hdgBugRot);
me.symbols.selHdgLine2.setRotation(hdgBugRot);
}
var staPtrVis = !me.in_mode('toggle_display_mode', ['PLAN']);
if((me.in_mode('toggle_display_mode', ['MAP']) and me.get_switch('toggle_display_type') == "CRT")
or (me.get_switch('toggle_track_heading') and me.get_switch('toggle_display_type') == "LCD"))
{
var vorheading = userTrkTru;
var adfheading = userTrkMag;
}
else
{
var vorheading = userHdgTru;
var adfheading = userHdgMag;
}
if(getprop("instrumentation/nav/heading-deg") != nil)
var nav0hdg=getprop("instrumentation/nav/heading-deg") - vorheading;
if(getprop("instrumentation/nav[1]/heading-deg") != nil)
var nav1hdg=getprop("instrumentation/nav[1]/heading-deg") - vorheading;
var adf0hdg=getprop("instrumentation/adf/indicated-bearing-deg");
var adf1hdg=getprop("instrumentation/adf[1]/indicated-bearing-deg");
if(!me.get_switch('toggle_centered'))
{
if(me.in_mode('toggle_display_mode', ['PLAN']))
me.symbols.trkInd.hide();
else
me.symbols.trkInd.show();
if((getprop("instrumentation/nav/in-range") and me.get_switch('toggle_lh_vor_adf') == 1)) {
me.symbols.staArrowL.setVisible(staPtrVis);
me.symbols.staToL.setColor(0.195,0.96,0.097);
me.symbols.staFromL.setColor(0.195,0.96,0.097);
me.symbols.staArrowL.setRotation(nav0hdg*D2R);
}
elsif(getprop("instrumentation/adf/in-range") and (me.get_switch('toggle_lh_vor_adf') == -1)) {
me.symbols.staArrowL.setVisible(staPtrVis);
me.symbols.staToL.setColor(0,0.6,0.85);
me.symbols.staFromL.setColor(0,0.6,0.85);
me.symbols.staArrowL.setRotation(adf0hdg*D2R);
} else {
me.symbols.staArrowL.hide();
}
if((getprop("instrumentation/nav[1]/in-range") and me.get_switch('toggle_rh_vor_adf') == 1)) {
me.symbols.staArrowR.setVisible(staPtrVis);
me.symbols.staToR.setColor(0.195,0.96,0.097);
me.symbols.staFromR.setColor(0.195,0.96,0.097);
me.symbols.staArrowR.setRotation(nav1hdg*D2R);
} elsif(getprop("instrumentation/adf[1]/in-range") and (me.get_switch('toggle_rh_vor_adf') == -1)) {
me.symbols.staArrowR.setVisible(staPtrVis);
me.symbols.staToR.setColor(0,0.6,0.85);
me.symbols.staFromR.setColor(0,0.6,0.85);
me.symbols.staArrowR.setRotation(adf1hdg*D2R);
} else {
me.symbols.staArrowR.hide();
}
me.symbols.staArrowL2.hide();
me.symbols.staArrowR2.hide();
me.symbols.curHdgPtr2.hide();
me.symbols.HdgBugCRT2.hide();
me.symbols.TrkBugLCD2.hide();
me.symbols.HdgBugLCD2.hide();
me.symbols.selHdgLine2.hide();
me.symbols.curHdgPtr.setVisible(staPtrVis);
me.symbols.HdgBugCRT.setVisible(staPtrVis and !dispLCD);
if(me.get_switch('toggle_track_heading'))
{
me.symbols.HdgBugLCD.hide();
me.symbols.TrkBugLCD.setVisible(staPtrVis and dispLCD);
}
else
{
me.symbols.TrkBugLCD.hide();
me.symbols.HdgBugLCD.setVisible(staPtrVis and dispLCD);
}
me.symbols.selHdgLine.setVisible(staPtrVis and hdg_bug_active);
} else {
me.symbols.trkInd.hide();
if((getprop("instrumentation/nav/in-range") and me.get_switch('toggle_lh_vor_adf') == 1)) {
me.symbols.staArrowL2.setVisible(staPtrVis);
me.symbols.staFromL2.setColor(0.195,0.96,0.097);
me.symbols.staToL2.setColor(0.195,0.96,0.097);
me.symbols.staArrowL2.setRotation(nav0hdg*D2R);
} elsif(getprop("instrumentation/adf/in-range") and (me.get_switch('toggle_lh_vor_adf') == -1)) {
me.symbols.staArrowL2.setVisible(staPtrVis);
me.symbols.staFromL2.setColor(0,0.6,0.85);
me.symbols.staToL2.setColor(0,0.6,0.85);
me.symbols.staArrowL2.setRotation(adf0hdg*D2R);
} else {
me.symbols.staArrowL2.hide();
}
if((getprop("instrumentation/nav[1]/in-range") and me.get_switch('toggle_rh_vor_adf') == 1)) {
me.symbols.staArrowR2.setVisible(staPtrVis);
me.symbols.staFromR2.setColor(0.195,0.96,0.097);
me.symbols.staToR2.setColor(0.195,0.96,0.097);
me.symbols.staArrowR2.setRotation(nav1hdg*D2R);
} elsif(getprop("instrumentation/adf[1]/in-range") and (me.get_switch('toggle_rh_vor_adf') == -1)) {
me.symbols.staArrowR2.setVisible(staPtrVis);
me.symbols.staFromR2.setColor(0,0.6,0.85);
me.symbols.staToR2.setColor(0,0.6,0.85);
me.symbols.staArrowR2.setRotation(adf1hdg*D2R);
} else {
me.symbols.staArrowR2.hide();
}
me.symbols.staArrowL.hide();
me.symbols.staArrowR.hide();
me.symbols.curHdgPtr.hide();
me.symbols.HdgBugCRT.hide();
me.symbols.TrkBugLCD.hide();
me.symbols.HdgBugLCD.hide();
me.symbols.selHdgLine.hide();
me.symbols.curHdgPtr2.setVisible(staPtrVis);
me.symbols.HdgBugCRT2.setVisible(staPtrVis and !dispLCD);
if(me.get_switch('toggle_track_heading'))
{
me.symbols.HdgBugLCD2.hide();
me.symbols.TrkBugLCD2.setVisible(staPtrVis and dispLCD);
}
else
{
me.symbols.TrkBugLCD2.hide();
me.symbols.HdgBugLCD2.setVisible(staPtrVis and dispLCD);
}
me.symbols.selHdgLine2.setVisible(staPtrVis and hdg_bug_active);
}
## run all predicates in the NDStyle hash and evaluate their true/false behavior callbacks
## this is in line with the original design, but normally we don't need to getprop/poll here,
## using listeners or timers would be more canvas-friendly whenever possible
## because running setprop() on any group/canvas element at framerate means that the canvas
## will be updated at frame rate too - wasteful ... (check the performance monitor!)
foreach(var feature; me.nd_style.features ) {
# for stuff that always needs to be updated
if (contains(feature.impl, 'common')) feature.impl.common(me);
# conditional stuff
if(!contains(feature.impl, 'predicate')) continue; # no conditional stuff
if ( var result=feature.impl.predicate(me) )
feature.impl.is_true(me, result); # pass the result to the predicate
else
feature.impl.is_false( me, result ); # pass the result to the predicate
}
## update the status flags shown on the ND (wxr, wpt, arpt, sta)
# this could/should be using listeners instead ...
me.symbols['status.wxr'].setVisible( me.get_switch('toggle_weather') and me.in_mode('toggle_display_mode', ['MAP']));
me.symbols['status.wpt'].setVisible( me.get_switch('toggle_waypoints') and me.in_mode('toggle_display_mode', ['MAP']));
me.symbols['status.arpt'].setVisible( me.get_switch('toggle_airports') and me.in_mode('toggle_display_mode', ['MAP']));
me.symbols['status.sta'].setVisible( me.get_switch('toggle_stations') and me.in_mode('toggle_display_mode', ['MAP']));
# Okay, _how_ do we hook this up with FGPlot?
printlog(_MP_dbg_lvl, "Total ND update took "~((systime()-_time)*100)~"ms");
setprop("/instrumentation/navdisplay["~ NavDisplay.id ~"]/update-ms", systime() - _time);
} # of update() method (50% of our file ...seriously?)
};
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