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Add get_script_instance to GDExtension #80040

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merged 1 commit into from
Aug 8, 2023
Merged

Add get_script_instance to GDExtension #80040

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20 changes: 20 additions & 0 deletions core/extension/gdextension_interface.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1048,6 +1048,25 @@ static GDExtensionScriptInstancePtr gdextension_script_instance_create(const GDE
return reinterpret_cast<GDExtensionScriptInstancePtr>(script_instance_extension);
}

static GDExtensionScriptInstancePtr gdextension_object_get_script_instance(GDExtensionConstObjectPtr p_object, GDExtensionConstObjectPtr p_language) {
if (!p_object || !p_language) {
return nullptr;
}

const Object *o = (const Object *)p_object;
ScriptInstanceExtension *script_instance_extension = reinterpret_cast<ScriptInstanceExtension *>(o->get_script_instance());
if (!script_instance_extension) {
return nullptr;
}

const ScriptLanguage *language = script_instance_extension->get_language();
if (language != p_language) {
return nullptr;
}

return script_instance_extension->instance;
}

static GDExtensionMethodBindPtr gdextension_classdb_get_method_bind(GDExtensionConstStringNamePtr p_classname, GDExtensionConstStringNamePtr p_methodname, GDExtensionInt p_hash) {
const StringName classname = *reinterpret_cast<const StringName *>(p_classname);
const StringName methodname = *reinterpret_cast<const StringName *>(p_methodname);
Expand Down Expand Up @@ -1216,6 +1235,7 @@ void gdextension_setup_interface() {
REGISTER_INTERFACE_FUNC(ref_get_object);
REGISTER_INTERFACE_FUNC(ref_set_object);
REGISTER_INTERFACE_FUNC(script_instance_create);
REGISTER_INTERFACE_FUNC(object_get_script_instance);
REGISTER_INTERFACE_FUNC(classdb_construct_object);
REGISTER_INTERFACE_FUNC(classdb_get_method_bind);
REGISTER_INTERFACE_FUNC(classdb_get_class_tag);
Expand Down
13 changes: 13 additions & 0 deletions core/extension/gdextension_interface.h
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Expand Up @@ -2126,6 +2126,19 @@ typedef void (*GDExtensionInterfaceRefSetObject)(GDExtensionRefPtr p_ref, GDExte
*/
typedef GDExtensionScriptInstancePtr (*GDExtensionInterfaceScriptInstanceCreate)(const GDExtensionScriptInstanceInfo *p_info, GDExtensionScriptInstanceDataPtr p_instance_data);

/**
* @name object_get_script_instance
* @since 4.2
*
* Get the script instance data attached to this object.
*
* @param p_object A pointer to the Object.
* @param p_language A pointer to the language expected for this script instance.
*
* @return A GDExtensionScriptInstanceDataPtr that was attached to this object as part of script_instance_create.
*/
typedef GDExtensionScriptInstanceDataPtr (*GDExtensionInterfaceObjectGetScriptInstance)(GDExtensionConstObjectPtr p_object, GDExtensionObjectPtr p_language);

/* INTERFACE: ClassDB */

/**
Expand Down