<?xml version="1.0" encoding="UTF-8" ?> <class name="GDExtension" inherits="Resource" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd"> <brief_description> A native library for GDExtension. </brief_description> <description> The [GDExtension] resource type represents a [url=https://en.wikipedia.org/wiki/Shared_library]shared library[/url] which can expand the functionality of the engine. The [GDExtensionManager] singleton is responsible for loading, reloading, and unloading [GDExtension] resources. [b]Note:[/b] GDExtension itself is not a scripting language and has no relation to [GDScript] resources. </description> <tutorials> <link title="GDExtension overview">$DOCS_URL/tutorials/scripting/gdextension/what_is_gdextension.html</link> <link title="GDExtension example in C++">$DOCS_URL/tutorials/scripting/gdextension/gdextension_cpp_example.html</link> </tutorials> <methods> <method name="get_minimum_library_initialization_level" qualifiers="const"> <return type="int" enum="GDExtension.InitializationLevel" /> <description> Returns the lowest level required for this extension to be properly initialized (see the [enum InitializationLevel] enum). </description> </method> <method name="is_library_open" qualifiers="const"> <return type="bool" /> <description> Returns [code]true[/code] if this extension's library has been opened. </description> </method> </methods> <constants> <constant name="INITIALIZATION_LEVEL_CORE" value="0" enum="InitializationLevel"> The library is initialized at the same time as the core features of the engine. </constant> <constant name="INITIALIZATION_LEVEL_SERVERS" value="1" enum="InitializationLevel"> The library is initialized at the same time as the engine's servers (such as [RenderingServer] or [PhysicsServer3D]). </constant> <constant name="INITIALIZATION_LEVEL_SCENE" value="2" enum="InitializationLevel"> The library is initialized at the same time as the engine's scene-related classes. </constant> <constant name="INITIALIZATION_LEVEL_EDITOR" value="3" enum="InitializationLevel"> The library is initialized at the same time as the engine's editor classes. Only happens when loading the GDExtension in the editor. </constant> </constants> </class>