/// <summary>
/// Compute the probability of folding for non-user players.
/// </summary>
/// <returns>Returns the probability of folding the hand.</returns>
static private double foldProbability(Player player, int currentBid)
{
double probability;
// Players with at least a pair of cards will rarely fold. Unless scared by the bid.
if (!player.GetRank().ContainsKey(Rank.HighCard))
{
int playerRank = (int)player.GetRank().First().Key + 3;
probability = (0.1 / playerRank) + (currentBid / player.GetMoney() / 2);
}
else
{
// Players with 2 or 3 as a first card are most likely to fold.
// The probability of folding decreases with the amount of cards.
int highCardValue = (int)player.GetRank()[Rank.HighCard][0].Value + 1;
probability = Math.Pow(Math.Log(14 - highCardValue, 14), 15 + 10 * player.Aggressiveness);
}
return(probability);
}
/// <summary>
/// Compute the probability of raising for non-user players.
/// </summary>
/// <returns>Returns the probability of folding the hand.</returns>
static private double raiseProbability(Player player, int currentBid)
{
double probability;
double highCardValueCoefficient = (double)player.GetRank().First().Value.Last().Value / 100;
double playerRankCoefficient = (double)player.GetRank().First().Key / 20;
// Players with no rank will rarely raise. Unless they bluff; or count on their high card.
// The players with higher ranks are more likely to raise. Bluffing included.
//
// 10% base probability, 5 % for each rank level, 1% for each highest card value level, +-10% from bluffing.
// Minimum (2♠) => 15% + 0% + 0% - 10% = 5%
// Maximum (2♠) => 15% + 0% + 0% + 10% = 25%
// Minimum (7♦ 7♥ 7♣) => 15% + 15% + 5% - 10% = 25%
// Maximum (7♦ 7♥ 7♣) => 15% + 15% + 5% + 10% = 45%
// Minimum (10♠ J♠ Q♠ K♠ A♠) => 15% + 40% + 12% - 10% = 57%
// Maximum (10♠ J♠ Q♠ K♠ A♠) => 15% + 40% + 12% + 10% = 77%
probability = 0.15 + playerRankCoefficient + highCardValueCoefficient + (0.1 - new Random().NextDouble() * 0.2);
// If the player already raised, the chances are decimated.
return(player.DidRaise ? 0.1 * probability : probability);
}
