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Enforce that custom nodes keep their original type

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Enforce that custom nodes and resources created via the "Create New Node" dialog, should permanently retain their original type (script). This means:

- Type continuity: It should be impossible for the user to (accidentally) clear the original script of a custom node that was created via the "Create New Node" dialog.

- Extensibility: The user should be able to extend custom types as usual (create a script that inherits the original type and replace the original script of that node with his own). However, if he then clears his extension-script from that node later on, the custom type should revert to its original script instead of becoming a non-scripted type.
This commit is contained in:
bjornmp 2023-09-25 00:32:43 +02:00 • committed by flasheeprom
parent db66bd35af
commit 06998a3927
10 changed files with 147 additions and 25 deletions
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2
editor/editor_data.cpp
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@ -547,6 +547,7 @@ Variant EditorData::instantiate_custom_type(const String &p_type, const String &
if (n) {
n->set_name(p_type);
}
n->set_meta(SceneStringName(_custom_type_script), script);
((Object *)ob)->set_script(script);
return ob;
}
@ -1008,6 +1009,7 @@ Variant EditorData::script_class_instance(const String &p_class) {
// Store in a variant to initialize the refcount if needed.
Variant obj = ClassDB::instantiate(script->get_instance_base_type());
if (obj) {
Object::cast_to<Object>(obj)->set_meta(SceneStringName(_custom_type_script), script);
obj.operator Object *()->set_script(script);
}
return obj;