Method add_sibling

scene/main/node.cpp:1735–1745

}

void Node::add_sibling(Node *p_sibling, bool p_force_readable_name) {
	ERR_FAIL_COND_MSG(data.tree && !Thread::is_main_thread(), "Adding a sibling to a node inside the SceneTree is only allowed from the main thread. Use call_deferred(\"add_sibling\",node).");
	ERR_FAIL_NULL(p_sibling);
	ERR_FAIL_COND_MSG(p_sibling == this, vformat("Can't add sibling '%s' to itself.", p_sibling->get_name())); // adding to itself!
	ERR_FAIL_NULL(data.parent);
	ERR_FAIL_COND_MSG(data.parent->data.blocked > 0, "Parent node is busy setting up children, `add_sibling()` failed. Consider using `add_sibling.call_deferred(sibling)` instead.");

	data.parent->add_child(p_sibling, p_force_readable_name, data.internal_mode);
	data.parent->_update_children_cache();
	data.parent->_move_child(p_sibling, get_index() + 1);
}

void Node::remove_child(Node *p_child) {
	ERR_FAIL_COND_MSG(data.tree && !Thread::is_main_thread(), "Removing children from a node inside the SceneTree is only allowed from the main thread. Use call_deferred(\"remove_child\",node).");