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fgdata/Aircraft/ufo/ufo.nas
mfranz b4b686b5ff let Mouse Walk zero the throttle
2008-05-05 17:31:36 +00:00

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setlistener("/sim/panel/visibility", func(n) {
setprop("/instrumentation/radar/serviceable", n.getValue());
}, 1);
var gear_key_down = 0;
controls.gearDown = func(x) gear_key_down = x != 0;
# maximum speed -----------------------------------------------------------------------------------
var maxspeed = props.globals.getNode("engines/engine/speed-max-mps");
var speed = [10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000];
var current = 7;
controls.flapsDown = func(x) {
if (!x)
return;
elsif (x < 0 and current > 0)
current -= 1;
elsif (x > 0 and current < size(speed) - 1)
current += 1;
var s = speed[current];
maxspeed.setDoubleValue(s);
gui.popupTip("Max. Speed " ~ s ~ " m/s");
}
# mouse walk --------------------------------------------------------------------------------------
var mouse = {};
var lastelev = nil;
setlistener("/devices/status/mice/mouse/x", func(n) mouse.x = n.getValue(), 1);
setlistener("/devices/status/mice/mouse/y", func(n) mouse.y = n.getValue(), 1);
setlistener("/devices/status/mice/mouse/mode", func(n) mouse.mode = n.getValue(), 1);
setlistener("/devices/status/mice/mouse/button[1]", func(n) {
mouse.mmb = n.getValue();
mouse.startx = mouse.x;
mouse.starty = mouse.y;
lastelev = getprop("/position/ground-elev-ft");
setprop("/controls/engines/engine/throttle", 0);
}, 1);
mouse.loop = func {
if (!mouse.mode and mouse.mmb) {
var dx = mouse.x - mouse.startx;
var dy = mouse.y - mouse.starty;
if (dx or dy) {
var hdg = getprop("/orientation/heading-deg");
var pos = geo.aircraft_position();
var ctrl = KbdCtrl.getValue();
var elev = getprop("/position/ground-elev-ft");
var dalt = elev - lastelev;
lastelev = elev;
if (dx) {
mouse.startx = mouse.x;
dx = npow(dx, 1.5) * 0.1;
if (ctrl)
pos.apply_course_distance(hdg + 90, dx);
else
setprop("/orientation/heading-deg", hdg + dx);
}
if (dy) {
mouse.starty = mouse.y;
dy = npow(dy, 1.5) * 0.1;
if (ctrl)
dalt -= dy;
else
pos.apply_course_distance(hdg + 180, dy);
}
setprop("/position/latitude-deg", pos.lat());
setprop("/position/longitude-deg", pos.lon());
setprop("/position/altitude-ft", getprop("/position/altitude-ft") + dalt);
}
}
settimer(mouse.loop, 0);
}
mouse.loop();
# library stuff -----------------------------------------------------------------------------------
var ERAD = geo.ERAD; # Earth radius (m)
var FT2M = geo.FT2M;
var M2FT = geo.M2FT;
var normdeg = geo.normdeg;
var printf = func { print(call(sprintf, arg)) }
var npow = func(v, w) v == 0 ? 0 : math.exp(math.ln(abs(v)) * w) * (v < 0 ? -1 : 1);
var init_prop = func(prop, value) {
if (prop.getValue() != nil)
value = prop.getValue();
prop.setDoubleValue(value);
return value;
}
# binary search of string in sorted vector; returns index or -1 if not found
#
var search = func(list, which) {
var left = 0;
var right = size(list);
var middle = nil;
while (1) {
middle = int((left + right) / 2);
var c = cmp(list[middle], which);
if (!c)
return middle;
elsif (left == middle)
return -1;
elsif (c > 0)
right = middle;
else
left = middle;
}
}
# scan all objects in subdir of $FG_ROOT. (Prefer *.xml files to *.ac files
# if both exist)
#
var scan_models = func(base) {
var result = [];
var list = directory(getprop("/sim/fg-root") ~ "/" ~ base);
if (list == nil)
return result;
var xml = {};
var ac = {};
foreach (var d; list) {
if (d[0] != `.` and d != "CVS") {
if (substr(d, -4) == ".xml") {
xml[base ~ "/" ~ d] = 1;
} elsif (substr(d, -3) == ".ac") {
ac[base ~ "/" ~ d] = 1;
} else {
foreach (var s; scan_models(base ~ "/" ~ d)) {
append(result, s);
}
}
}
}
foreach (var m; keys(xml)) {
append(result, m);
delete(ac, substr(m, 0, size(m) - 3) ~ "ac");
}
foreach (var m; keys(ac)) {
append(result, m);
}
return result;
}
# -------------------------------------------------------------------------------------------------
# loop that generates the model flashing pulse
#
var clock = 0;
var clock_loop = func {
clock = !clock;
settimer(clock_loop, 0.3);
}
clock_loop();
# class that maintains one adjustable model property (see src/Model/modelmgr.cxx)
#
var ModelValue = {
new : func(base, name, value) {
var m = { parents: [ModelValue] };
m.propN = base.getNode(name, 1);
m.propN.setDoubleValue(value);
base.getNode(name ~ "-prop", 1).setValue(m.propN.getPath());
return m;
},
set : func(v) {
me.propN.setDoubleValue(v);
},
get : func {
me.propN.getValue();
},
};
# class that maintains one scenery object (see src/Model/modelmgr.cxx)
#
var Model = {
new : func(path, pos, data = nil) {
var m = { parents: [Model] };
m.pos = pos;
m.path = path;
m.selected = 1;
m.visible = 1;
m.flash_until = 0;
m.loopid = 0;
m.elapsedN = props.globals.getNode("/sim/time/elapsed-sec", 1);
var models = props.globals.getNode("/models", 1);
for (var i = 0; 1; i += 1) {
if (models.getChild("model", i, 0) == nil) {
m.node = models.getChild("model", i, 1);
break;
}
}
m.node.getNode("legend", 1).setValue("");
if (data != nil and isa(data, props.Node))
props.copy(data, m.node); # import node
var hdg = init_prop(m.node.getNode("heading-deg", 1), 0);
var pitch = init_prop(m.node.getNode("pitch-deg", 1), 0);
var roll = init_prop(m.node.getNode("roll-deg", 1), 0);
m.node.getNode("path", 1).setValue(path);
m.lat = ModelValue.new(m.node, "latitude-deg", pos.lat());
m.lon = ModelValue.new(m.node, "longitude-deg", pos.lon());
m.alt = ModelValue.new(m.node, "elevation-ft", pos.alt() * M2FT);
m.hdg = ModelValue.new(m.node, "heading-deg", hdg);
m.pitch = ModelValue.new(m.node, "pitch-deg", pitch);
m.roll = ModelValue.new(m.node, "roll-deg", roll);
m.node.getNode("load", 1).setValue(1);
m.node.removeChildren("load");
return m;
},
remove : func {
props.globals.getNode("/models", 1).removeChild("model", me.node.getIndex());
},
clone : func(path) {
Model.new(path, me.pos, me.node);
},
move : func(pos) {
var v = me.visible;
me.unhide();
me.pos.set(pos);
me.lat.set(me.pos.lat());
me.lon.set(me.pos.lon());
me.alt.set(me.pos.alt() * M2FT);
v or me.hide();
},
raise : func (dist) {
var v = me.visible;
me.unhide();
me.pos.set_alt(me.pos.alt() + dist);
me.alt.set(me.pos.alt() * M2FT);
v or me.hide();
},
apply_course_distance : func(course, dist) {
me.pos.apply_course_distance(course, dist);
me.lat.set(me.pos.lat());
me.lon.set(me.pos.lon());
},
direct_distance_to : func(dest) {
me.pos.direct_distance_to(dest);
},
flash : func(v) {
me.loopid += 1;
if (v) {
me.flash_until = me.elapsedN.getValue() + 2;
me._flash_(me.loopid);
} else {
me.unhide();
}
},
_flash_ : func(id) {
id == me.loopid or return;
if (me.elapsedN.getValue() > me.flash_until)
return me.unhide();
elsif (clock)
me.hide();
else
me.unhide();
settimer(func { me._flash_(id) }, 0);
},
hide : func {
me.visible or return;
me.alt.set(me.alt.get() - ERAD);
me.visible = 0;
},
unhide : func {
me.visible and return;
me.alt.set(me.alt.get() + ERAD);
me.visible = 1;
},
get_data : func {
var n = props.Node.new();
props.copy(me.node, n);
me.add_derived_data(n);
return n;
},
add_derived_data : func(node) {
node.removeChildren("latitude-deg-prop");
node.removeChildren("longitude-deg-prop");
node.removeChildren("elevation-ft-prop");
node.removeChildren("heading-deg-prop");
node.removeChildren("pitch-deg-prop");
node.removeChildren("roll-deg-prop");
var path = node.getNode("path").getValue();
var lat = node.getNode("latitude-deg").getValue();
var lon = node.getNode("longitude-deg").getValue();
var elev = node.getNode("elevation-ft").getValue();
var hdg = node.getNode("heading-deg").getValue();
var legend = node.getNode("legend").getValue();
var type = nil;
var spec = "";
if (path == "Aircraft/ufo/Models/sign.ac") {
type = "OBJECT_SIGN";
if (legend == "")
legend = "{@size=10,@material=RedSign}NO_CONTENTS_" ~ int(10000 * rand());
foreach (var c; split('', legend))
if (c != ' ')
spec ~= c;
} else {
type = "OBJECT_SHARED";
spec = path;
}
var elev_m = elev * FT2M;
var stg_hdg = normdeg(360 - hdg);
var stg_path = geo.tile_path(lat, lon);
var abs_path = getprop("/sim/fg-root") ~ "/" ~ path;
var obj_line = sprintf("%s %s %.8f %.8f %.4f %.1f", type, spec, lon, lat, elev_m, stg_hdg);
node.getNode("absolute-path", 1).setValue(abs_path);
node.getNode("legend", 1).setValue(legend);
node.getNode("stg-path", 1).setValue(stg_path);
node.getNode("stg-heading-deg", 1).setDoubleValue(stg_hdg);
node.getNode("elevation-m", 1).setDoubleValue(elev_m);
node.getNode("object-line", 1).setValue(obj_line);
return node;
},
};
var ModelMgr = {
new : func(path) {
var m = { parents: [ModelMgr] };
m.active = nil;
m.models = [];
m.legendN = props.globals.getNode("/sim/gui/dialogs/ufo-status/input", 1);
m.legendN.setValue("");
m.mouse_coord = geo.aircraft_position();
m.import();
m.marker = Model.new("Aircraft/ufo/Models/marker.ac", geo.Coord.new().set_xyz(0, 0, 0));
m.marker.hide();
m.modelpath = path;
if (path != "Aircraft/ufo/Models/cursor.ac")
status_dialog.open();
return m;
},
click : func(mouse_coord) {
if (gear_key_down)
return teleport(mouse_coord, me.active);
me.mouse_coord = mouse_coord;
status_dialog.open();
adjust_dialog.center_sliders();
if (KbdAlt.getValue()) { # move active object here (and other selected ones along with it)
(me.active == nil) and return;
var course = me.active.pos.course_to(me.mouse_coord);
var distance = me.active.pos.distance_to(me.mouse_coord);
foreach (var m; me.models) {
m.pos.set_alt(me.mouse_coord.alt());
m.selected and m.apply_course_distance(course, distance);
}
me.marker.move(me.active.pos);
return;
}
if (!KbdShift.getValue())
me.deselect_all();
if (KbdCtrl.getValue()) { # select existing object
me.select();
} else { # add one new object
me.active = Model.new(me.modelpath, mouse_coord, me.sticky_data());
append(me.models, me.active);
me.display_status(me.modelpath);
me.marker.move(me.active.pos);
if (KbdShift.getValue())
foreach (var m; me.models)
m.flash(m.selected);
}
},
select : func() {
if (!size(me.models)) {
me.active = nil;
me.marker.move(geo.Coord.new().set_xyz(0, 0, 0));
return;
}
var min_dist = 10 * ERAD;
forindex (var i; me.models) {
var dist = me.models[i].direct_distance_to(me.mouse_coord);
if (dist < min_dist) {
min_dist = dist;
me.active = me.models[i];
}
}
me.active.selected = 1;
me.marker.move(me.active.pos);
var selected = [];
foreach (var m; me.models) {
m.flash(m.selected);
if (m.selected)
append(selected, m);
}
if (size(selected) == 2) {
var dist = selected[0].direct_distance_to(selected[1].pos);
screen.log.write(sprintf("%.3f m", dist));
}
me.display_status(me.modelpath = me.active.path);
},
deselect_all : func {
foreach (var m; me.models)
m.flash(m.selected = 0);
},
remove_selected : func {
var models = [];
foreach (var m; me.models) {
if (m.selected)
m.remove();
else
append(models, m);
}
me.models = models;
me.select();
me.display_status(me.modelpath);
},
set_modelpath : func(path) {
me.modelpath = path;
me.display_status(path);
},
update_legend : func {
if (me.active != nil)
me.active.node.getNode("legend", 1).setValue(me.legendN.getValue());
},
display_status : func(path) {
var legend = me.active == nil ? "" : me.active.node.getNode("legend", 1).getValue();
me.legendN.setValue(legend);
setprop("/sim/model/ufo/status", "(" ~ size(me.models) ~ ") " ~ path);
},
get_data : func {
var n = props.Node.new();
forindex (var i; me.models)
props.copy(me.models[i].get_data(), n.getChild("model", i, 1));
return n;
},
cycle : func(up) {
var i = search(modellist, me.modelpath) + up;
if (i < 0)
i = size(modellist) - 1;
elsif (i >= size(modellist))
i = 0;
me.set_modelpath(modellist[i]);
var models = [];
foreach (var m; me.models) {
if (m.selected) {
append(models, m.clone(modellist[i]));
m.remove();
} else {
append(models, m);
}
}
me.models = models;
},
sticky_data : func {
var n = props.Node.new();
if (me.active == nil) {
return n;
}
var hdg = n.getNode("heading-deg", 1);
var pitch = n.getNode("pitch-deg", 1);
var roll = n.getNode("roll-deg", 1);
if (getprop("/models/adjust/sticky-heading"))
hdg.setDoubleValue(me.active.node.getNode("heading-deg").getValue());
else
hdg.setDoubleValue(0);
if (getprop("/models/adjust/sticky-orientation")) {
pitch.setDoubleValue(me.active.node.getNode("pitch-deg").getValue());
roll.setDoubleValue(me.active.node.getNode("roll-deg").getValue());
} else {
pitch.setDoubleValue(0);
roll.setDoubleValue(0);
}
return n;
},
reset_heading : func {
foreach (var m; me.models)
if (m.selected)
m.hdg.set(0);
},
reset_orientation : func {
foreach (var m; me.models) {
if (m.selected) {
m.pitch.set(0);
m.roll.set(0);
}
}
},
import : func {
me.active = nil;
var mandatory = ["path", "latitude-deg", "longitude-deg", "elevation-ft"];
foreach (var m; props.globals.getNode("models", 1).getChildren("model")) {
var ok = 1;
foreach (var a; mandatory)
if (m.getNode(a) == nil or m.getNode(a).getType() == "NONE")
ok = 0;
if (ok) {
var tmp = props.Node.new({ legend:"", "heading-deg":0, "pitch-deg":0, "roll-deg":0 });
props.copy(m, tmp);
m.getParent().removeChild(m.getName(), m.getIndex());
var c = geo.Coord.new().set_latlon(
tmp.getNode("latitude-deg").getValue(),
tmp.getNode("longitude-deg").getValue(),
tmp.getNode("elevation-ft").getValue() * FT2M);
append(me.models, me.active = Model.new(tmp.getNode("path").getValue(), c, tmp));
}
}
},
adjust : func(name, value, scale = 0) {
if (!size(me.models) or me.active == nil)
return;
var ufo = geo.aircraft_position();
var dist = scale ? ufo.distance_to(me.active.pos) * 0.05 : 1;
if (name == "longitudinal") {
var dir = ufo.course_to(me.active.pos);
foreach (var m; me.models)
m.selected and m.apply_course_distance(dir, value * dist);
} elsif (name == "transversal") {
var dir = ufo.course_to(me.active.pos) + 90;
foreach (var m; me.models)
m.selected and m.apply_course_distance(dir, value * dist);
} elsif (name == "altitude") {
foreach (var m; me.models)
m.selected and m.raise(value * dist * 0.4);
} elsif (name == "heading") {
foreach (var m; me.models)
m.selected and m.hdg.set(m.hdg.get() + value * 4);
} elsif (name == "pitch") {
foreach (var m; me.models)
m.selected and m.pitch.set(m.pitch.get() + value * 6);
} elsif (name == "roll") {
foreach (var m; me.models)
m.selected and m.roll.set(m.roll.get() + value * 6);
}
me.marker.move(me.active.pos);
},
toggle_marker : func {
me.marker.visible ? me.marker.hide() : me.marker.unhide();
},
};
var scan_dirs = func(csv) {
var list = ["Aircraft/ufo/Models/sign.ac"];
foreach (var dir; split(",", csv))
foreach(var m; scan_models(dir))
append(list, m);
return sort(list, cmp);
}
var print_ufo_data = func {
print("\n\n------------------------------ UFO -------------------------------\n");
var lat = getprop("/position/latitude-deg");
var lon = getprop("/position/longitude-deg");
var alt_ft = getprop("/position/altitude-ft");
var elev_m = getprop("/position/ground-elev-m");
var heading = getprop("/orientation/heading-deg");
var agl_ft = alt_ft - elev_m * M2FT;
printf("Latitude: %.8f deg", lat);
printf("Longitude: %.8f deg", lon);
printf("Altitude ASL: %.4f m (%.4f ft)", alt_ft * FT2M, alt_ft);
printf("Altitude AGL: %.4f m (%.4f ft)", agl_ft * FT2M, agl_ft);
printf("Heading: %.1f deg", normdeg(heading));
printf("Ground Elev: %.4f m (%.4f ft)", elev_m, elev_m * M2FT);
print();
print("# " ~ geo.tile_path(lat, lon));
printf("OBJECT_STATIC %.8f %.8f %.4f %.1f", lon, lat, elev_m, normdeg(360 - heading));
print();
var hdg = normdeg(heading + getprop("/sim/current-view/goal-pitch-offset-deg"));
var fgfs = sprintf("$ fgfs --aircraft=ufo --lat=%.6f --lon=%.6f --altitude=%.2f --heading=%.1f",
lat, lon, alt_ft, hdg);
print(fgfs);
}
var print_model_data = func(prop) {
print("\n\n------------------------ Selected Object -------------------------\n");
var elev = prop.getNode("elevation-ft").getValue();
printf("Path: %s", prop.getNode("path").getValue());
printf("Latitude: %.8f deg", prop.getNode("latitude-deg").getValue());
printf("Longitude: %.8f deg", prop.getNode("longitude-deg").getValue());
printf("Altitude ASL: %.4f m (%.4f ft)", elev * FT2M, elev);
printf("Heading: %.1f deg", prop.getNode("heading-deg").getValue());
printf("Pitch: %.1f deg", prop.getNode("pitch-deg").getValue());
printf("Roll: %.1f deg", prop.getNode("roll-deg").getValue());
}
var teleport = func(target, lookat = nil) {
setprop("/position/latitude-deg", target.lat());
setprop("/position/longitude-deg", target.lon());
setprop("/position/altitude-ft", target.alt() * M2FT + getprop("/position/altitude-agl-ft"));
var hdg = props.globals.getNode("/orientation/heading-deg");
if (lookat != nil)
hdg.setDoubleValue(target.course_to(lookat.pos));
else
hdg.setDoubleValue(hdg.getValue() - getprop("/sim/current-view/heading-offset-deg"));
view.resetView();
}
# interface functions -----------------------------------------------------------------------------
var vert_factor = 1;
var up = func(dir) {
if (!dir)
return vert_factor = 1;
var alt = "position/altitude-ft";
setprop(alt, getprop(alt) + 0.15 * vert_factor * dir);
vert_factor += 0.25;
}
var print_data = func {
var rule = "\n------------------------------------------------------------------\n";
print("\n\n");
print_ufo_data();
var data = modelmgr.get_data();
var selected = data.getChild("model", 0);
if (selected == nil)
return print(rule);
print_model_data(selected);
print(rule);
# group all objects of a bucket
var bucket = {};
foreach (var m; data.getChildren("model")) {
var stg = m.getNode("stg-path").getValue();
var obj = m.getNode("object-line").getValue();
if (contains(bucket, stg))
append(bucket[stg], obj);
else
bucket[stg] = [obj];
}
foreach (var key; keys(bucket)) {
print("\n# ", key);
foreach (var obj; bucket[key])
print(obj);
}
print(rule);
}
var export_data = func {
var path = getprop("/sim/fg-home") ~ "/ufo-model-export.xml";
var args = props.Node.new({ filename : path });
props.copy(modelmgr.get_data(), args.getNode("data/models", 1));
fgcommand("savexml", args);
print("model data exported to ", path);
}
var export_flightplan = func {
var path = getprop("/sim/fg-home") ~ "/ufo-flightplan-export.xml";
var args = props.Node.new({ filename : path });
var export = args.getNode("data/flightplan", 1);
var waypoints = modelmgr.get_data().getChildren("model");
forindex (var i; waypoints) {
var from = waypoints[i];
var to = export.getChild("wpt", i, 1);
to.getNode("name", 1).setValue("#" ~ i);
to.getNode("lat", 1).setDoubleValue(from.getNode("latitude-deg").getValue());
to.getNode("lon", 1).setDoubleValue(from.getNode("longitude-deg").getValue());
to.getNode("crossat", 1).setDoubleValue(from.getNode("elevation-ft").getValue());
to.getNode("on-ground", 1).setBoolValue(1);
to.getNode("ktas", 1).setDoubleValue(100);
}
export.getChild("wpt", i + 1, 1).getNode("name", 1).setValue("END");
fgcommand("savexml", args);
print("flightplan exported to ", path);
}
var file_selector = nil;
# called via l-key (load object from disk)
var file_select_model = func {
if (file_selector == nil) {
file_selector = gui.FileSelector.new(fsel_callback,
"Select 3D model file", "Load Model",
["*.ac", "*.xml"], getprop("/sim/fg-root"));
}
file_selector.open();
}
var fsel_callback = func {
var model = cmdarg().getValue();
var root = string.fixpath(getprop("/sim/fg-root")) ~ "/";
if (substr(model, 0, size(root)) == root)
model = substr(model, size(root));
append(modellist, model);
modellist = sort(modellist, cmp);
modelmgr.set_modelpath(model);
}
# dialogs -----------------------------------------------------------------------------------------
var status_dialog = gui.Dialog.new("/sim/gui/dialogs/ufo/status/dialog", "Aircraft/ufo/Dialogs/status.xml");
var select_dialog = gui.Dialog.new("/sim/gui/dialogs/ufo/select/dialog", "Aircraft/ufo/Dialogs/select.xml");
var adjust_dialog = gui.Dialog.new("/sim/gui/dialogs/ufo/adjust/dialog", "Aircraft/ufo/Dialogs/adjust.xml");
adjust_dialog.center_sliders = func {
var ns = adjust_dialog.namespace();
if (ns != nil)
ns.center();
}
# hide status line in screenshots
#
var status_restore = nil;
setlistener("/sim/signals/screenshot", func(n) {
if (n.getBoolValue()) {
status_restore = status_dialog.is_open();
status_dialog.close();
} else {
status_restore and status_dialog.open();
}
});
# init --------------------------------------------------------------------------------------------
var KbdShift = props.globals.getNode("/devices/status/keyboard/shift");
var KbdCtrl = props.globals.getNode("/devices/status/keyboard/ctrl");
var KbdAlt = props.globals.getNode("/devices/status/keyboard/alt");
var modellist = scan_dirs(getprop("/source"));
var modelmgr = ModelMgr.new(getprop("/cursor"));
setlistener("/sim/signals/click", func {
modelmgr.click(geo.click_position());
});
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