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Nasal Initialization: Difference between revisions
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{{Nasal Navigation}} | {{Nasal Navigation}} | ||
some notes on how Nasal files from FGDATA/Nasal are processed when Flightgear is started. | |||
some notes on how Nasal files from FGDATA/Nasal | |||
= Initialization of Nasal core-/default-modules = | = Initialization of Nasal core-/default-modules = | ||
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== Core modules == | == Core modules == | ||
The nasal root folder (FGDATA/Nasal/) is scanned for .nas files and these files are loaded | The nasal root folder (FGDATA/Nasal/) is scanned for .nas files and these files are loaded in alphabetical order. | ||
After all .nas files are loaded {{code|/sim/signals/nasal-dir-initialized}} is set, which triggers listeners in some of the files just loaded. | After all .nas files are loaded {{code|/sim/signals/nasal-dir-initialized}} is set, which triggers listeners in some of the files just loaded. | ||
This allows to use functions from other core files, which have just been defined, e.g. which were not yet available when parsing the file. | This allows to use functions from other core files, which have just been defined, e.g. which were not yet available when parsing the file. | ||
{{note|for a list of modules see [[Nasal Modules]]|margin=10px|width=50%}} | {{note|for a list of modules see [[Nasal Modules]]|margin=10px|width=50%}} | ||
=== Nasal load priority (version 2020.1) === | |||
Since version 2020.1 files that are listed in /Nasal/loadpriority.xml will be loaded first (in the order they appear in this XML). | |||
The remaining files will be loaded in alphabetical order. | |||
After some dependency checks, loadpriority.xml was filled with the relevant filenames. | |||
Most of the listeners (nasal-dir-initialized) have been removed accordingly. | |||
== Optional (load-once) modules == | == Optional (load-once) modules == | ||