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add livery singleton class that maintains livery XML files.

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TODO: allow explicit sorting (currently only alphabetic) and add next()
      and previous() methods
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mfranz 2007-06-04 13:45:23 +00:00
parent 6cb769ebf7
commit 95caf1a918
1 changed files with 50 additions and 0 deletions
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Nasal/aircraft.nas
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@ -503,6 +503,56 @@ var timer = {
# livery
# =============================================================================
# Class that maintains livery XML files (see English Electric Lightning for an
# example. The last used livery is saved on exit and restored next time.
#
# SYNOPSIS:
# livery.init(<livery-dir> [, <name-path>]);
#
# <livery-dir> ... directory with livery XML files, relative to $FG_ROOT
# <name-path> ... property under which the livery name is stored in the
# livery files and the property tree
#
# EXAMPLE:
# aircraft.livery.init("Aircraft/Lightning/Models/Liveries",
# "sim/model/livery/variant");
#
# aircraft.livery.dialog.toggle();
#
var livery = {
init : func(livery_dir, name_path = "sim/model/livery/name") {
me.dir = livery_dir;
if (me.dir[-1] != `/`)
me.dir ~= "/";
me.name_path = name_path;
data.add(name_path);
me.rescan();
me.select(getprop(name_path));
me.dialog = gui.Dialog.new("livery-select");
},
rescan : func {
me.data = {};
foreach (var file; directory(getprop("/sim/fg-root") ~ "/" ~ me.dir)) {
if (substr(file, -4) != ".xml")
continue;
var n = props.Node.new({ filename : me.dir ~ file });
fgcommand("loadxml", n);
n = n.getNode("data");
var name = n.getNode(me.name_path);
if (name == nil)
continue;
me.data[name.getValue()] = n.getValues();
}
},
select : func(name) {
if (contains(me.data, name))
props.globals.setValues(me.data[name]);
},
};
# steering
# =============================================================================
# Class that implements differential braking depending on rudder position.