Editor: forbid deleting inherited metadata properties

Signed-off-by: Yevhen Babiichuk (DustDFG) <dfgdust@gmail.com>
Co-authored-by: Tomek <kobewi4e@gmail.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/editor/editor_inspector.cpp b/editor/editor_inspector.cpp
index 21f67772ea..e6553cc92b 100644
--- a/editor/editor_inspector.cpp
+++ b/editor/editor_inspector.cpp
@@ -3401,6 +3401,14 @@ void EditorInspector::update_tree() {
 
 		editors.append_array(late_editors);
 
+		const Node *node = Object::cast_to<Node>(object);
+
+		Vector<SceneState::PackState> sstack;
+		if (node != nullptr) {
+			const Node *es = EditorNode::get_singleton()->get_edited_scene();
+			sstack = PropertyUtils::get_node_states_stack(node, es);
+		}
+
 		for (int i = 0; i < editors.size(); i++) {
 			EditorProperty *ep = Object::cast_to<EditorProperty>(editors[i].property_editor);
 			const Vector<String> &properties = editors[i].properties;
@@ -3453,7 +3461,15 @@ void EditorInspector::update_tree() {
 				ep->set_checked(checked);
 				ep->set_keying(keying);
 				ep->set_read_only(property_read_only || all_read_only);
-				ep->set_deletable(deletable_properties || p.name.begins_with("metadata/"));
+				if (p.name.begins_with("metadata/")) {
+					Variant _default = Variant();
+					if (node != nullptr) {
+						_default = PropertyUtils::get_property_default_value(node, p.name, nullptr, &sstack, false, nullptr, nullptr);
+					}
+					ep->set_deletable(_default == Variant());
+				} else {
+					ep->set_deletable(deletable_properties);
+				}
 			}
 
 			current_vbox->add_child(editors[i].property_editor);