public static double EvaluatePokerHand(Hand hand) {
double points = 0;
int flush = 1, straight = 1;
//flushes and straights
for (int i = 1; i < hand.Count; i++)
{
if (hand[0].Suit == hand[i].Suit)
flush++;
if (hand[i].FaceValue == hand[0].FaceValue + i)
straight++;
}
if (straight == 5)
{
points = flush == 5
? 450 + hand[4].TrueValue
: 250 + hand[4].TrueValue;
return points;
}
if (flush == 5)
return 300 + EvaluateCards(hand);
int numberOfPairs = 0, numberOfTres = 0, cardValue = 0;
//check for pairs/threes/fours
for (int i = 0; i < hand.Count - 1; i++)
{
int sameValue = 1;
for (int j = i + 1; j < hand.Count; j++)
{
if (hand[i].FaceValue == hand[j].FaceValue)
sameValue++;
if (sameValue == 4)
return 400 + hand[j].TrueValue;
}
if (sameValue == 3)
{
numberOfTres++;
numberOfPairs--;
cardValue = hand[i].TrueValue;
}
if (sameValue == 2)
numberOfPairs++;
}
//two pairs
if (numberOfPairs == 2)
{
int pairNumber = 2;
int i = hand.Count - 1;
while (hand.Count > 1)
{
if (hand[i - 1].FaceValue == hand[i].FaceValue)
{
if (pairNumber == 2)
{
points = 13 * (int)hand[i].FaceValue;
pairNumber--;
}
else
points += hand[i].TrueValue;
hand.Remove(hand[i]);
hand.Remove(hand[i - 1]);
i -= 2;
}
else
i--;
}
return points + EvaluateCards(hand);
}
//pair
if (numberOfPairs == 1 && numberOfTres == 0)
{
int i = hand.Count - 1;
while (hand.Count > 3)
{
if (hand[i - 1].FaceValue == hand[i].FaceValue)
{
points += hand[i].TrueValue;
hand.Remove(hand[i]);
hand.Remove(hand[i - 1]);
return points + EvaluateCards(hand);
}
i--;
}
}
//3 of a kind or house
if (numberOfTres == 1)
{
if (numberOfPairs == 1)
return 350 + cardValue;
return 200 + cardValue;
}
//high card
return EvaluateCards(hand);
}
