public double RelativePosition(PokerHand hand, int rIdx, int aIdx)
{
// Get the seat to wrap on
int maxSeat = hand.Players.Max(p => p.Seat);
// Figure out who is in first position
var firstBlind = hand.Blinds.FirstOrDefault(b => b.Type == BlindType.SmallBlind);
if (firstBlind == null)
firstBlind = hand.Blinds.FirstOrDefault(b => b.Type == BlindType.BigBlind);
Debug.Assert(firstBlind != null);
int firstSeat = hand.Players.First(p => p.Name == firstBlind.Player).Seat;
int heroIdx = hand.HeroSeat();
var actions = hand.AllPreviousActions(rIdx, aIdx);
// Find all players that are acting before this player
int playersBefore = 0;
for (int i = firstSeat; i != heroIdx;)
{
var player = hand.Players.FirstOrDefault(p => p.Seat == i);
if(player!= null && !actions.Folded(player.Name))
playersBefore++;
i++;
if (i > maxSeat)
i = 1;
}
// Find all players that are acting after this player
int playersAfter = 0;
for (int i = heroIdx + 1; i != firstSeat; )
{
var player = hand.Players.FirstOrDefault(p => p.Seat == i);
if (player != null && !actions.Folded(player.Name))
playersAfter++;
i++;
if (i > maxSeat)
i = 1;
}
// Return the percentage of players acting before (position relative to players still in)
return playersBefore / ((double)playersAfter + (double)playersBefore);
}