balance teams

#define TEAMS_ALREADY_BALANCED print("balanceTeam: Teams are already balanced.");
#define TEAMS_NOW_BALANCED print("balanceTeam: Teams successfully balanced.");
teamBalance() {
    new t_1 = Iter_Count(team_1), t_2 = Iter_Count(team_2), diff = t_1 - t_2;
    if(diff == 1 || diff == -1 || diff == 0) return TEAMS_ALREADY_BALANCED;
    else if(diff > 0) {
        do {
            new remove = Iter_Random(t_1);
            Iter_Add(t_2, remove);
            Iter_Remove(t_1, remove);
            diff--;
        } while(diff > 0);
    } else {
        do {
            new remove = Iter_Random(t_2);
            Iter_Add(t_1, remove);
            Iter_Remove(t_2, remove);
            diff--;
        } while(diff > 0);
    }
    return TEAMS_NOW_BALANCED;
}