my $force = $room->{force};

            next if $b->buildstatus == 4 || $b->buildstatus == 3;

            next if ! $force && ($b->buildstatus == 4 || $b->buildstatus == 3);

            next if defined $prevBuild && ($b->buildstatus == $prevBuild->buildstatus);

            next if ! $force && defined $prevBuild && ($b->buildstatus == $prevBuild->buildstatus);