Function ModifyGroups

src/openrct2/network/NetworkBase.cpp:3659–3797

    }

    GameActions::Result ModifyGroups(
        PlayerId_t actionPlayerId, GameActions::ModifyGroupType type, uint8_t groupId, const std::string& name,
        uint32_t permissionIndex, GameActions::PermissionState permissionState, bool isExecuting)
    {
        auto& network = GetContext()->GetNetwork();
        switch (type)
        {
            case GameActions::ModifyGroupType::addGroup:
            {
                if (isExecuting)
                {
                    NetworkGroup* newgroup = network.AddGroup();
                    if (newgroup == nullptr)
                    {
                        return GameActions::Result(GameActions::Status::unknown, STR_CANT_DO_THIS, kStringIdNone);
                    }
                }
            }
            break;
            case GameActions::ModifyGroupType::removeGroup:
            {
                if (groupId == 0)
                {
                    return GameActions::Result(
                        GameActions::Status::disallowed, STR_THIS_GROUP_CANNOT_BE_MODIFIED, kStringIdNone);
                }
                for (const auto& it : network.player_list)
                {
                    if ((it.get())->group == groupId)
                    {
                        return GameActions::Result(
                            GameActions::Status::disallowed, STR_CANT_REMOVE_GROUP_THAT_PLAYERS_BELONG_TO, kStringIdNone);
                    }
                }
                if (isExecuting)
                {
                    network.RemoveGroup(groupId);
                }
            }
            break;
            case GameActions::ModifyGroupType::setPermissions:
            {
                if (groupId == 0)
                { // can't change admin group permissions
                    return GameActions::Result(
                        GameActions::Status::disallowed, STR_THIS_GROUP_CANNOT_BE_MODIFIED, kStringIdNone);
                }
                NetworkGroup* mygroup = nullptr;
                Player* player = network.GetPlayerByID(actionPlayerId);
                auto networkPermission = static_cast<Permission>(permissionIndex);
                if (player != nullptr && permissionState == GameActions::PermissionState::toggle)
                {
                    mygroup = network.GetGroupByID(player->group);
                    if (mygroup == nullptr || !mygroup->canPerformAction(networkPermission))
                    {
                        return GameActions::Result(
                            GameActions::Status::disallowed, STR_CANT_MODIFY_PERMISSION_THAT_YOU_DO_NOT_HAVE_YOURSELF,
                            kStringIdNone);