/// <summary>
/// Finds an eliminated player's rank for a double-elim bracket.
/// </summary>
/// <param name="_matchNumber">Number of finished Match</param>
/// <returns>Player's rank</returns>
protected override int CalculateRank(int _matchNumber)
{
int rank = 2; // 2 = GrandFinal loser
if (LowerMatches?.ContainsKey(_matchNumber) ?? false)
{
// Standard case: lower bracket match.
Match match = GetInternalMatch(_matchNumber);
rank = NumberOfMatches - GetLowerRound(match.RoundIndex).Last().MatchNumber + 2;
}
else if (Matches?.ContainsKey(_matchNumber) ?? false)
{
// Special case: upper bracket "play-in" round.
// These special rounds eliminate their losers
// instead of sending them to the lower bracket.
rank = Convert.ToInt32(Math.Pow(2, NumberOfRounds - 1) + 1);
}
return(rank);
}
/// <summary>
/// Gets one Match, from its Match Number.
/// If no matching Match is found, an exception is thrown.
/// </summary>
/// <param name="_matchNumber">Number of Match to find</param>
/// <returns>relevant Match</returns>
/// <remarks>
/// This method is overriden in Group Stages.
/// </remarks>
protected virtual Match GetInternalMatch(int _matchNumber)
{
if (_matchNumber < 1)
{
throw new InvalidIndexException
("Match number cannot be less than 1!");
}
if (grandFinal?.MatchNumber == _matchNumber)
{
return(grandFinal);
}
if (Matches?.ContainsKey(_matchNumber) ?? false)
{
return(Matches[_matchNumber]);
}
if (LowerMatches?.ContainsKey(_matchNumber) ?? false)
{
return(LowerMatches[_matchNumber]);
}
throw new MatchNotFoundException
("Match not found; match number may be invalid.");
}