c535306b3d
Also:
- use the namespace __addon[ADDON_ID]__ when loading an add-on's
main.nas file (previously, the namespace used was __addon[i]__ where
i is 0 for the first registered add-on, 1 for the second one, etc.);
- use logprint() instead of printlog(), because the former writes a
more helpful source file and line number for the log call in
fgfs.log (i.e., not always src/Scripting/NasalSys.cxx...);
- remove the listener once it has been fired;
- add documentation in Docs/README.add-ons.
39 lines
1.6 KiB
Text
39 lines
1.6 KiB
Text
##
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# Initialize addons configured with --addon=foobar command line switch:
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# - get the list of registered add-ons
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# - load the main.nas file of each add-on into namespace __addon[ADDON_ID]__
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# - call function main() from every such main.nas with the add-on path as arg.
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# Example:
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#
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# fgfs --addon=/foo/bar/baz
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#
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# - AddonManager.cxx parses /foo/bar/baz/addon-metadata.xml
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# - AddonManager.cxx creates prop nodes under /addons containing add-on metadata
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# - AddonManager.cxx loads /foo/bar/baz/config.xml into the Property Tree
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# - AddonManager.cxx adds /foo/bar/baz to the list of aircraft paths (to get
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# permissions to read files from there)
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# - this script loads /foo/bar/baz/main.nas into namespace __addon[ADDON_ID]__
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# - this script calls main("/foo/bar/baz") from /foo/bar/baz/main.nas.
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#
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# For more details, see $FG_ROOT/Docs/README.add-ons.
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var id = _setlistener("/sim/signals/fdm-initialized", func {
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removelistener(id);
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foreach (var addon; addons.registeredAddons()) {
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var main_nas = addon.basePath ~ "/main.nas";
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var namespace = "__addon" ~ "[" ~ addon.id ~ "]__";
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logprint(5, "Initializing addon '" ~ addon.name ~
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"' version " ~ addon.version.str() ~ " from " ~ main_nas ~
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" in " ~ namespace);
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io.load_nasal( main_nas, namespace );
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var addon_main = globals[namespace]["main"];
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var addon_main_args = [ addon.basePath ];
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call(addon_main, addon_main_args); #, object, namespace, error_vector);
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# Tell the world that the add-on is now loaded.
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addon.node.getChild("loaded", 0, 1).setBoolValue(1);
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}
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})
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