diff options
Diffstat (limited to 'core/object/class_db.cpp')
| -rw-r--r-- | core/object/class_db.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/core/object/class_db.cpp b/core/object/class_db.cpp index c8c50fb957..e9fd8ad583 100644 --- a/core/object/class_db.cpp +++ b/core/object/class_db.cpp @@ -1661,7 +1661,15 @@ void ClassDB::register_extension_class(ObjectGDExtension *p_extension) { c.name = p_extension->class_name; c.is_virtual = p_extension->is_virtual; if (!p_extension->is_abstract) { - c.creation_func = parent->creation_func; + // Find the closest ancestor which is either non-abstract or native (or both). + ClassInfo *concrete_ancestor = parent; + while (concrete_ancestor->creation_func == nullptr && + concrete_ancestor->inherits_ptr != nullptr && + concrete_ancestor->gdextension != nullptr) { + concrete_ancestor = concrete_ancestor->inherits_ptr; + } + ERR_FAIL_NULL_MSG(concrete_ancestor->creation_func, "Extension class " + String(p_extension->class_name) + " cannot extend native abstract class " + String(concrete_ancestor->name)); + c.creation_func = concrete_ancestor->creation_func; } c.inherits = parent->name; c.class_ptr = parent->class_ptr; |