private double GetTeamWinPercentage(Team team, Dictionary<Guid, WinLossRecord> winLossRecords)
{
// Option 1: Total wins/losses, giving players who have played more a higher weight in the rating
// var record = new WinLossRecord();
// foreach (var player in team.Members)
// {
// WinLossRecord winLossRecord;
// if (winLossRecords.TryGetValue(player.Id, out winLossRecord))
// {
// record.Wins += winLossRecord.Wins;
// record.Losses += winLossRecord.Losses;
// record.Ties += winLossRecord.Ties;
// }
// }
// return record.WinPercentage;
// Option 2: Average win percentage, equally weighted
double winPercentage = 0.0;
foreach (var player in team.Members)
{
WinLossRecord winLossRecord;
if (winLossRecords.TryGetValue(player.Id, out winLossRecord))
{
winPercentage += winLossRecord.WinPercentage;
}
else
{
winPercentage += 0.5;
}
}
return winPercentage/team.Members.Count;
}
public ProposedMatchup[] GetMatchups( Game game, User[] users )
{
if ( users.Length < 2 )
{
throw new ArgumentException( "At least two players are required" );
}
var team1 = new Team();
var team2 = new Team();
for ( int i = 0; i < users.Length; i++ )
{
if ( i % 2 == 0 )
{
team1.Members.Add( users[i] );
}
else
{
team2.Members.Add( users[i] );
}
}
return new ProposedMatchup[]
{
new ProposedMatchup( game, team1, team2, winRatioRange.Next() ),
new ProposedMatchup( game, team1, team2, winRatioRange.Next() ),
new ProposedMatchup( game, team1, team2, winRatioRange.Next() ),
};
}
public ProposedMatchup( Game game, Team team1, Team team2, double team1WinRatio )
{
if ( team1WinRatio < 0.0 || team1WinRatio > 1.0 )
{
throw new ArgumentException( "Win ratio must be between 0.0 and 1.0" );
}
Team1PredictedWinRatio = team1WinRatio;
Team2PredictedWinRatio = 1.0 - team1WinRatio;
Game = game;
Team1 = team1;
Team2 = team2;
}
private void CreateMatchHistoryFor( Game game )
{
var players = database.GetPlayersForGame( game.Id );
if ( players.Length < 2 )
{
return;
}
var selectionPoolSizeRange = new Range<int>( 2, players.Length );
for ( int i = 0; i < MatchesPerGame; i++ )
{
var selectionPoolSize = selectionPoolSizeRange.Next();
var team1 = new Team();
var team2 = new Team();
for ( int j = 0; j < selectionPoolSize; j++ )
{
if ( j.IsEven() )
{
team1.Members.Add( players[j] );
}
else
{
team2.Members.Add( players[j] );
}
}
var team1Score = ScoreRange.Next();
var team2Score = ScoreRange.Next();
var result = new MatchupResult
{
GameId = game.Id,
Team1UserIds = team1.Members.Select( user => user.Id ).ToArray(),
Team2UserIds = team2.Members.Select( user => user.Id ).ToArray(),
Timestamp = DateTime.Now - MatchHistoryLength.Next(),
Winner = team1Score.GetWinner(team2Score)
};
if ( 0.5.NextBool() )
{
result.Team1Score = team1Score;
result.Team2Score = team2Score;
}
if ( 0.2.NextBool() )
{
result.Comment = "This is a sample comment";
}
result.MapId = GetRandomMap(game).Id;
database.SaveMatchupResult(result);
}
}