/* Value is a list storing the number of times a Card occurs in a hand
* Key is a list storing the Rank of the card
* Index is a list that stores the index of the card in the hand array
*
* hist is an array with the number of occurences in the first row
* and the index of the card associated with that in the 2nd row
*
* */
public static int[,] Histogram(Hand hand)
{
List<int> key = new List<int>();
List<int> value = new List<int>();
List<int> index = new List<int>();
int i, j, curK, curV, curI;
for (i = 0; i < hand.Size; i++)
{
if (key.Contains(hand.Get(i).Rank))
{
int k = key.FindIndex(x => x == hand.Get(i).Rank);
value[k]++;
}
else
{
key.Add(hand.Get(i).Rank);
value.Add(1);
index.Add(i);
}
}
for (i = 1; i < key.Count; i++)
{
curI = index[i];
curK = key[i];
curV = value[i];
j = i;
while (j > 0 && (value[j - 1] < curV))
{
index[j] = index[j - 1];
key[j] = key[j - 1];
value[j] = value[j - 1];
j--;
}
index[j] = curI;
key[j] = curK;
value[j] = curV;
}
int[,] hist = new int[2, key.Count];
for (i = 0; i < key.Count; i++ )
{
hist[0, i] = value[i];
hist[1, i] = index[i];
}
return hist;
}
/* Hand Value will return an int signifying the value of the hand
* 1 is a Straigh Flush
* 2 is Four-of-a-Kind
* 3 is a Full House
* 4 is a Flush
* 5 is a straight
* 6 is Three-of-a-Kind
* 7 is Two Pair
* 8 is One Pair
* 9 is High Card
* */
public static int[] HandValue(Hand hand)
{
//int handValue = 0;
int[,] hist = Histogram(hand);
int[] handValue = new int[hist.GetLength(1) + 1];
if (hist[0, 0] == 4) // 4-of-a-kind
{
handValue[0] = 2;
}
else if (hist[0, 0] == 3 && hist[0, 1] == 2) // Full-House
{
handValue[0] = 3;
}
else if (hist[0, 0] == 3 && hist[0, 1] == 1) // 3-of-a-kind
{
handValue[0] = 6;
}
else if (hist[0, 0] == 2 && hist[0, 1] == 2) // 2 Pair
{
handValue[0] = 7;
}
else if (hist[0, 0] == 2 && hist[0, 1] == 1) // 1 Pair
{
handValue[0] = 8;
}
else
{
handValue[0] = StraightOrFlush(hist, hand);
}
for (int i = 1; i < handValue.Length; i++ )
{
handValue[i] = hist[1, i - 1];
}
return handValue;
}
private static int StraightOrFlush(int[,] hist, Hand hand)
{
bool isFlush = true;
bool isStraight = false;
for (int i = 0; i < hand.Size - 1; i++)
{
if (hand.Get(i).Suit != hand.Get(i+1).Suit)
{
isFlush = false;
}
}
if (hand.Get(0).Rank - hand.Get(hand.Size - 1).Rank == 4)
{
isStraight = true;
}
if (isFlush && isStraight)
{
return 1; // Straight Flush
}
else if (isFlush)
{
return 4; // Flush
}
else if (isStraight)
{
return 5; // Straight
}
else
{
return 9; // High Card
}
}
public Player()
{
hand = new Hand(); //new Hand;
chipStack = 100;
actedThisRound = false;
}
