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Add support for static variables in GDScript

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Which allows editable data associated with a particular class instead of
the instance. Scripts with static variables are kept in memory
indefinitely unless the `@static_unload` annotation is used or the
`static_unload()` method is called on the GDScript.

If the custom function `_static_init()` exists it will be called when
the class is loaded, after the static variables are set.
This commit is contained in:
George Marques
2023-04-19 11:10:35 -03:00
parent 352ebe9725
commit 0ba6048ad3
36 changed files with 689 additions and 86 deletions
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3
doc/classes/ProjectSettings.xml
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@@ -456,6 +456,9 @@
<member name="debug/gdscript/warnings/redundant_await" type="int" setter="" getter="" default="1">
When set to [code]warn[/code] or [code]error[/code], produces a warning or an error respectively when a function that is not a coroutine is called with await.
</member>
<member name="debug/gdscript/warnings/redundant_static_unload" type="int" setter="" getter="" default="1">
When set to [code]warn[/code] or [code]error[/code], produces a warning or an error respectively when the [code]@static_unload[/code] annotation is used in a script without any static variables.
</member>
<member name="debug/gdscript/warnings/renamed_in_godot_4_hint" type="bool" setter="" getter="" default="1">
When enabled, using a property, enum, or function that was renamed since Godot 3 will produce a hint if an error occurs.
</member>