State overlay system: Difference between revisions

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→‎Implementation: Add infos for state files
(add implementation)
(→‎Implementation: Add infos for state files)
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== Implementation ==
== Implementation ==
=== overlay file ===
To add state overlays to your aircraft, create a folder called <code>states</code>. In there you can put your <code>$state-overlay.xml</code>. In the beginning your overlay.xml should look like this:
<pre>
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<PropertyList>
  <name type="string" n="1">parking</name>
  <overlay>


To add state overlays to your aircraft, create a folder called <code>states</code>. In there you can put your <code>$state-overlay.xml</code>.
  </overlay>
Now you need to include these in your <code>$Aircraft-set.xml</code> file like this:
</PropertyList>
</pre>
Now you can put your items, which need to be set between the overlay tags. Rule of thumb is that you use the hierarchy of the property-tree's root. It speeded up my research by quite a bit, when I found out, it's possible to dump the PropertyTree with a nasal command. Open up the Nasal-console from the developer-menu and put in the following: <code>io.write_properties( path: "/home/myName/.fgfs/Export/PropTree.xml", prop: "/" );</code>
 
Beware! This outputs the '''entire''' PropertyTree! This is several thousand lines long. You might want to dump only single folders of the PropertyTree by changing the <code>"/"</code> to sth like <code>"/controls"</code> or whatever folder you want to dump. Now you can simply delete everything from that file, that you don't need and copy&paste it into your overlay.xml.
 
=== include ===
Now you need to include your overlay.xml in your <code>$Aircraft-set.xml</code> file like this:
<pre>
<pre>
<PropertyList>
<PropertyList>
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