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Fix property duplication when duplicating a parent node

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warriormaster12 2024-01-19 22:57:31 +02:00 committed by Alexander Streng
parent dad6c774b0
commit 9851c1bdd8
2 changed files with 45 additions and 18 deletions
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62
scene/main/node.cpp
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@ -2737,25 +2737,9 @@ Node *Node::_duplicate(int p_flags, HashMap<const Node *, Node *> *r_duplimap) c
}
} else {
// If property points to a node which is owned by a node we are duplicating, update its path.
if (value.get_type() == Variant::OBJECT) {
Node *property_node = Object::cast_to<Node>(value);
if (property_node && is_ancestor_of(property_node)) {
value = current_node->get_node_or_null(get_path_to(property_node));
}
} else if (value.get_type() == Variant::ARRAY) {
Array arr = value;
if (arr.get_typed_builtin() == Variant::OBJECT) {
for (int i = 0; i < arr.size(); i++) {
Node *property_node = Object::cast_to<Node>(arr[i]);
if (property_node && is_ancestor_of(property_node)) {
arr[i] = current_node->get_node_or_null(get_path_to(property_node));
}
}
value = arr;
}
if (value.get_type() != Variant::OBJECT && (value.get_type() != Variant::ARRAY || static_cast<Array>(value).get_typed_builtin() != Variant::OBJECT)) {
current_node->set(name, value);
}
current_node->set(name, value);
}
}
}
@ -2771,6 +2755,8 @@ Node *Node::duplicate(int p_flags) const {
_duplicate_signals(this, dupe);
}
_duplicate_properties_node(this, this, dupe);
return dupe;
}
@ -2792,6 +2778,8 @@ Node *Node::duplicate_from_editor(HashMap<const Node *, Node *> &r_duplimap, con
// if the emitter node comes later in tree order than the receiver
_duplicate_signals(this, dupe);
_duplicate_properties_node(this, this, dupe);
return dupe;
}
@ -2844,6 +2832,44 @@ void Node::remap_nested_resources(Ref<Resource> p_resource, const HashMap<Ref<Re
}
#endif
// Duplicates properties that store a Node.
// This has to be called after nodes have been duplicated since
// only then do we get a full picture of how the duplicated node tree looks like.
void Node::_duplicate_properties_node(const Node *p_root, const Node *p_original, Node *p_copy) const {
List<PropertyInfo> props;
p_copy->get_property_list(&props);
for (const PropertyInfo &E : props) {
if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
continue;
}
String name = E.name;
Variant value = p_original->get(name).duplicate(true);
if (value.get_type() == Variant::OBJECT) {
Node *property_node = Object::cast_to<Node>(value);
if (property_node && (p_root == property_node || p_root->is_ancestor_of(property_node))) {
value = p_copy->get_node_or_null(p_original->get_path_to(property_node));
p_copy->set(name, value);
}
} else if (value.get_type() == Variant::ARRAY) {
Array arr = value;
if (arr.get_typed_builtin() == Variant::OBJECT) {
for (int i = 0; i < arr.size(); i++) {
Node *property_node = Object::cast_to<Node>(arr[i]);
if (property_node && (p_root == property_node || p_root->is_ancestor_of(property_node))) {
arr[i] = p_copy->get_node_or_null(p_original->get_path_to(property_node));
}
}
value = arr;
p_copy->set(name, value);
}
}
}
for (int i = 0; i < p_copy->get_child_count(); i++) {
_duplicate_properties_node(p_root, p_original->get_child(i), p_copy->get_child(i));
}
}
// Duplication of signals must happen after all the node descendants have been copied,
// because re-targeting of connections from some descendant to another is not possible
// if the emitter node comes later in tree order than the receiver

1
scene/main/node.h
View file

@ -247,6 +247,7 @@ private:
void _propagate_groups_dirty();
Array _get_node_and_resource(const NodePath &p_path);
void _duplicate_properties_node(const Node *p_root, const Node *p_original, Node *p_copy) const;
void _duplicate_signals(const Node *p_original, Node *p_copy) const;
Node *_duplicate(int p_flags, HashMap<const Node *, Node *> *r_duplimap = nullptr) const;