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tanker: avoid cloud layers; drop identity.init

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This commit is contained in:
mfranz 2009-03-30 20:12:57 +00:00
parent 834afe5aa7
commit 894003a865
1 changed files with 36 additions and 20 deletions
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56
Nasal/tanker.nas
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@ -7,7 +7,6 @@ if (globals["tanker"] != nil) {
#--------------------------------------------------------------------------------------------------
var boom_tanker = "Models/Geometry/KC135/KC135.xml";
var probe_tanker = "Models/Geometry/KA6-D/KA6-D.xml";
@ -20,9 +19,29 @@ var pilot_msg = func setprop("/sim/messages/pilot", call(sprintf, arg));
var atc_msg = func setprop("sim/messages/atc", call(sprintf, arg));
var skip_cloud_layer = func(alt) {
var c = [];
foreach (var layer; props.globals.getNode("/environment/clouds").getChildren("layer")) {
var elev = (layer.getNode("elevation-ft", 1).getValue() or -9999) * FT2M;
var thck = (layer.getNode("thickness-ft", 1).getValue() or 0) * FT2M;
if (elev > -1000)
append(c, { bottom: elev - thck * 0.5 - 100, top: elev + thck * 0.5 + 100 });
}
while (check; 1) {
foreach (var layer; c) {
if (alt > layer.bottom and alt < layer.top) {
alt += 1000;
continue check;
}
}
return alt;
}
}
var identity = {
# return free AI id number and least used, free callsign/channel pair
get: func {
# return free AI id number and least used, free callsign/channel pair
var data = {}; # copy of me.pool
var revdata = {}; # channel->callsign
foreach (var k; keys(me.pool)) {
@ -48,9 +67,9 @@ var identity = {
return [aiid, d, data[d][0]];
},
pool: {
ESSO1: ["040X", 0], ESSO2: ["041X", 0], ESSO3: ["042X", 0],
TEXACO1: ["050X", 0], TEXACO2: ["051X", 0], TEXACO3: ["052X", 0],
MOBIL1: ["060X", 0], MOBIL2: ["061X", 0], MOBIL3: ["062X", 0],
ESSO1: ["040X", rand()], ESSO2: ["041X", rand()], ESSO3: ["042X", rand()],
TEXACO1: ["050X", rand()], TEXACO2: ["051X", rand()], TEXACO3: ["052X", rand()],
MOBIL1: ["060X", rand()], MOBIL2: ["061X", rand()], MOBIL3: ["062X", rand()],
},
};
@ -61,15 +80,15 @@ var Tanker = {
m.callsign = callsign;
m.tacan = tacan;
m.kias = kias;
m.heading = m.course = heading;
m.heading = m.course = m.track_course = heading;
m.out_of_range_time = 0;
m.interval = 10;
m.length = (getprop("tanker/pattern-length-nm") or 50) * NM2M;
m.roll = 0;
m.coord = geo.Coord.new(coord);
m.anchor = geo.Coord.new(coord).apply_course_distance(m.heading, m.length); # ARCP
m.anchor = geo.Coord.new(coord).apply_course_distance(m.track_course, m.length); # ARCP
m.goal = [nil, m.anchor];
m.lastmode = "turn";
m.lastmode = "none";
m.mode = "leg";
m.rollrate = 2; # deg/s
m.maxbank = 25;
@ -131,12 +150,12 @@ var Tanker = {
if ((me.interval += dt) >= 5) {
me.interval -= 5;
me.headwind = aircraft.wind_speed_from(me.heading);
me.headwind = aircraft.wind_speed_from(me.course);
me.ktas = aircraft.kias_to_ktas(me.kias, alt);
}
var distance = dt * (me.ktas - me.headwind) * NM2M / 3600;
var deviation = me.roll ? dt * 1085.941 * math.tan(me.roll * D2R) / me.ktas : 0;
var deviation = me.roll ? 0.5 * dt * 1085.941 * math.tan(me.roll * D2R) / me.ktas : 0;
if (me.mode == "leg") {
if (me.lastmode != "leg") {
@ -146,7 +165,7 @@ var Tanker = {
me.goal[0] = me.goal[1];
me.goal[1] = g;
me.heading = me.coord.course_to(me.goal[0]);
me.course = me.coord.course_to(me.goal[0]);
me.leg_remaining = me.coord.distance_to(me.goal[0]);
me.roll_target = 0;
me.leg_warning = 0;
@ -169,13 +188,13 @@ var Tanker = {
if ((me.turn_remaining -= deviation) < 0) {
if (me.goal[1] == nil) # define tanker exit point (opposite of anchor point/ARCP)
me.goal[1] = geo.Coord.new(me.coord).apply_course_distance(me.course - 180,
me.goal[1] = geo.Coord.new(me.coord).apply_course_distance(me.track_course - 180,
me.length);
me.mode = "leg";
}
}
me.coord.apply_course_distance(me.heading -= deviation, distance);
me.coord.apply_course_distance(me.course -= deviation, distance);
me.ac = geo.aircraft_position();
me.distance = me.ac.distance_to(me.coord);
@ -187,7 +206,7 @@ var Tanker = {
me.latN.setDoubleValue(me.coord.lat());
me.lonN.setDoubleValue(me.coord.lon());
me.altN.setDoubleValue(alt * M2FT);
me.hdgN.setDoubleValue(me.heading);
me.hdgN.setDoubleValue(me.heading = me.course);
me.pitchN.setDoubleValue(0);
me.rollN.setDoubleValue(-me.roll);
me.ktasN.setDoubleValue(me.ktas);
@ -225,7 +244,7 @@ var Tanker = {
me.out_of_range_time = me.now;
var alt = int((me.coord.alt() * M2FT + 50) / 100) * 100;
tanker_msg("%s at %.0f, heading %.0f with %.0f knots, TACAN %s",
me.callsign, alt, me.heading, me.kias, me.tacan);
me.callsign, alt, me.course, me.kias, me.tacan);
},
report: func {
me.out_of_range_time = me.now;
@ -258,7 +277,8 @@ var request = func {
var course = hdg + (rand() - 0.5) * 60;
var dist = 6000 + rand() * 4000;
var alt = int(10 + rand() * 15) * 1000; # FL100--FL250
var coord = geo.aircraft_position().apply_course_distance(course, dist).set_alt(alt * FT2M);
alt = skip_cloud_layer(alt * FT2M);
var coord = geo.aircraft_position().apply_course_distance(course, dist).set_alt(alt);
Tanker.new(aiid, callsign, tacanid, type, 250, hdg, coord);
}
@ -273,10 +293,6 @@ var report = func {
var reinit = func {
foreach (var t; values(Tanker.active))
t.del();
# randomize tacan pool usage counter (0 and -1)
foreach (var t; values(identity.pool))
t[1] = int(rand() * 2) - 1;
}