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move MP livery update parts from the livery class into a separate

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livery_update class and add an optional third argument to its constructor:
a callback function that's called whenever the class noticed a livery
change
This commit is contained in:
mfranz 2008-03-01 09:49:57 +00:00
parent e9e234410d
commit 4db470acd4
1 changed files with 55 additions and 37 deletions
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92
Nasal/aircraft.nas
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@ -571,23 +571,6 @@ var timer = {
# aircraft.livery.select("OEBH");
# aircraft.livery.next();
#
#
#
# For updating liveries in multiplayer aircraft put something like the following
# in the XML animation file, whereby the relative path points to the livery directory,
# and the optional number is the update interval in seconds (default: 10).
#
# <nasal>
# <load>
# var livery_update = aircraft.livery.update("Aircraft/R22/Models/Liveries", 10);
# </load>
#
# <unload>
# livery_update.stop();
# </unload>
# </nasal>
#
#
var livery = {
init : func(livery_dir, name_path = "sim/model/livery/name", sort_path = nil) {
me.dir = livery_dir;
@ -644,33 +627,68 @@ var livery = {
previous : func {
me.set(me.current - 1);
},
};
# methods for embedding in animation XML files for livery update via multiplayer
update : func(liveriesdir, interval = 10) {
var m = { parents : [livery] };
# livery_update
# =============================================================================
# Class for maintaining liveries in MP aircraft. It is used in Nasal code that's
# embedded in aircraft animation XML files, and checks in intervals whether the
# parent aircraft has changed livery, in which case it changes the livery
# in the remote aircraft accordingly.
#
# SYNOPSIS:
# livery_update(<livery-dir> [, <interval:10> [, <func>]]);
#
# <livery-dir> ... directory with livery files, relative to $FG_ROOT
# <interval> ... checking interval in seconds (default: 10)
# <func> ... callback function that's called with the ./sim/model/livery/file
# contents as argument whenever the livery has changed. This can
# be used for post-processing.
#
# EXAMPLE:
# <nasal>
# <load>
# var livery_update = aircraft.livery_update.new(
# "Aircraft/R22/Models/Liveries", 30,
# func { print("R22 livery update") });
# </load>
#
# <unload>
# livery_update.stop();
# </unload>
# </nasal>
#
var livery_update = {
new : func(liveriesdir, interval = 10, callback = nil) {
var m = { parents : [livery_update] };
var root = cmdarg();
m.mp_root = root.getPath();
m.mp_fileN = root.getNode("sim/model/livery/file", 1);
m.mp_dir = getprop("/sim/fg-root") ~ "/" ~ liveriesdir ~ "/";
m.mp_interval = interval;
m.mp_last = "";
m.mp_running = 1;
m.root = root.getPath();
m.fileN = root.getNode("sim/model/livery/file", 1);
m.dir = getprop("/sim/fg-root") ~ "/" ~ liveriesdir ~ "/";
m.interval = interval;
m.last = "";
m.running = 1;
m.callback = callback;
if (root.getName() == "multiplayer")
m._loop_();
return m;
},
_loop_ : func {
me.mp_running or return;
var file = me.mp_fileN.getValue();
if (file != nil and file != me.mp_last) {
fgcommand("loadxml", props.Node.new({ filename: me.mp_dir ~ file ~ ".xml",
targetnode: me.mp_root }));
me.mp_last = file;
}
settimer(func { me._loop_() }, me.mp_interval);
},
stop : func {
me.mp_running = 0;
me.running = 0;
},
_loop_ : func {
me.running or return;
var file = me.fileN.getValue();
if (file != nil and file != me.last) {
fgcommand("loadxml", props.Node.new({ filename: me.dir ~ file ~ ".xml",
targetnode: me.root }));
me.last = file;
if (me.callback != nil)
me.callback(file);
}
settimer(func { me._loop_() }, me.interval);
},
};