93 lines
2.9 KiB
Text
93 lines
2.9 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 addon-main.nas file of each add-on into namespace
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# __addon[ADDON_ID]__
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# - call function main() from every such addon-main.nas with the add-on ghost
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# as argument (an addons.Addon instance).
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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/addon-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/addon-main.nas into namespace
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# __addon[ADDON_ID]__
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# - this script calls main(addonGhost) from /foo/bar/baz/addon-main.nas.
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# - the add-on ghost can be used to retrieve most of the add-on metadata, for
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# instance:
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# addonGhost.id the add-on identifier
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# addonGhost.name the add-on name
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# addonGhost.version.str() the add-on version as a string
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# addonGhost.basePath the add-on base path (realpath() of
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# "/foo/bar/baz" here)
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# etc.
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#
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# For more details, see $FG_ROOT/Docs/README.add-ons.
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# hashes to store listeners and timers per addon ID
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var _modules = {};
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var getNamespaceName = func(a) {
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return "__addon[" ~ a.id ~ "]__";
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}
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var load = func(a) {
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var namespace = getNamespaceName(a);
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var loaded = a.node.getNode("loaded", 1);
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loaded.setBoolValue(0);
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var module = modules.Module.new(a.id, namespace, a.node);
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module.setFilePath(a.basePath);
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module.setMainFile("addon-main.nas");
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if (module.load(a) != nil) {
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logprint(5, "[OK] '" ~ a.name ~ "' (V. " ~ a.version.str() ~
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") loaded.");
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module.printTrackedResources();
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} else {
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logprint(5, "Failed loading addon-main.nas for " ~ a.id);
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}
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_modules[a.id] = module;
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}
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var remove = func(a) {
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logprint(5, "- Removing add-on ", a.id);
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_modules[a.id].unload();
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}
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var _reloadFlags = {};
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var reload = func(a) {
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addons.remove(a);
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addons.load(a);
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}
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var init = func {
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foreach (var addon; addons.registeredAddons()) {
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addons._reloadFlags[addon.id] = addon.node.getNode("reload", 1);
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addons._reloadFlags[addon.id].setBoolValue(0);
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var makeListener = func(a) {
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return func(n) {
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if (n.getValue()) {
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n.setValue(0);
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addons.reload(a);
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}
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};
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}
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setlistener(addons._reloadFlags[addon.id], makeListener(addon));
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addons.load(addon);
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}
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}
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var id = _setlistener("/sim/signals/fdm-initialized", func {
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removelistener(id);
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_orig_setlistener = setlistener;
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_orig_maketimer = maketimer;
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addons.init();
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})
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