Method ProcessPlayerList

src/openrct2/network/NetworkBase.cpp:1971–2058

    }

    void NetworkBase::ProcessPlayerList()
    {
        if (GetMode() == Mode::server)
        {
            // Avoid sending multiple times the player list, we mark the list invalidated on modifications
            // and then send at the end of the tick the final player list.
            if (_playerListInvalidated)
            {
                _playerListInvalidated = false;
                ServerSendPlayerList();
            }
        }
        else
        {
            // As client we have to keep things in order so the update is tick bound.
            // Commands/Actions reference players and so this list needs to be in sync with those.
            auto itPending = _pendingPlayerLists.begin();
            while (itPending != _pendingPlayerLists.end())
            {
                if (itPending->first > getGameState().currentTicks)
                    break;

                // List of active players found in the list.
                std::vector<uint8_t> activePlayerIds;
                std::vector<uint8_t> newPlayers;
                std::vector<uint8_t> removedPlayers;

                for (const auto& pendingPlayer : itPending->second.players)
                {
                    activePlayerIds.push_back(pendingPlayer.id);

                    auto* player = GetPlayerByID(pendingPlayer.id);
                    if (player == nullptr)
                    {
                        // Add new player.
                        player = AddPlayer("", "");
                        if (player != nullptr)
                        {
                            *player = pendingPlayer;
                            if (player->flags & PlayerFlags::kIsServer)
                            {
                                _serverConnection->player = player;
                            }
                            newPlayers.push_back(player->id);
                        }
                    }
                    else
                    {
                        // Update.
                        *player = pendingPlayer;
                    }
                }

                // Remove any players that are not in newly received list
                for (const auto& player : player_list)
                {
                    if (std::find(activePlayerIds.begin(), activePlayerIds.end(), player->id) == activePlayerIds.end())
                    {