Method _watch_changes

modules/multiplayer/multiplayer_synchronizer.cpp:381–412

}

Error MultiplayerSynchronizer::_watch_changes(uint64_t p_usec) {
	ERR_FAIL_COND_V(replication_config.is_null(), FAILED);
	const List<NodePath> props = replication_config->get_watch_properties();
	if (props.size() != watchers.size()) {
		watchers.resize(props.size());
	}
	if (props.is_empty()) {
		return OK;
	}
	Node *node = get_root_node();
	ERR_FAIL_NULL_V(node, FAILED);
	int idx = -1;
	Watcher *ptr = watchers.ptrw();
	for (const NodePath &prop : props) {
		idx++;
		bool valid = false;
		const Object *obj = _get_prop_target(node, prop);
		ERR_CONTINUE_MSG(!obj, vformat("Node not found for property '%s'.", prop));
		Variant v = obj->get_indexed(prop.get_subnames(), &valid);
		ERR_CONTINUE_MSG(!valid, vformat("Property '%s' not found.", prop));
		Watcher &w = ptr[idx];
		if (w.prop != prop) {
			w.prop = prop;
			w.value = v.duplicate(true);
			w.last_change_usec = p_usec;
		} else if (!w.value.hash_compare(v)) {
			w.value = v.duplicate(true);
			w.last_change_usec = p_usec;
		}
	}
	return OK;
}

List<Variant> MultiplayerSynchronizer::get_delta_state(uint64_t p_cur_usec, uint64_t p_last_usec, uint64_t &r_indexes) {
	r_indexes = 0;