Android Open Source - PokerMachine Poker Engine

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Back to project page PokerMachine.

License

The source code is released under:

Apache License

Java Source Code

package com.eb.poker;
/* w  ww  . j  a va 2 s . com*/
public class PokerEngine {

  private boolean firstDeal = false;
  private long score = 0;
  
  public long getScore() {
    return score;
  }

  private boolean deck[] = new boolean[52];
  private int hand[] = new int[5];
  private boolean cardState[] = new boolean[] {false, false, false, false, false};
  private int value[] = new int[5];
  private int suit[] = new int[5];
  private int curMes = 0;
  private long credit = 20;
  private int bet = 0;
  private int win = 0;
  
  int payOut[] = {0, 1, 2, 3, 25, 9, 6, 4, 50, 250, 0};
  int mes[] = { R.string.empty_string, R.string.pair, R.string.two_pair,
      R.string.three_of_a_kind, R.string.four_of_a_kind,
      R.string.full_house, R.string.flush, R.string.straight,
      R.string.straight_flush, R.string.royal_flush, R.string.you_lose };

  int[] cardIDs = { 
      R.drawable.a2c, R.drawable.a3c, R.drawable.a4c, R.drawable.a5c, R.drawable.a6c, R.drawable.a7c, R.drawable.a8c,
      R.drawable.a9c, R.drawable.tc, R.drawable.jc, R.drawable.qc, R.drawable.kc, R.drawable.ac, 
      R.drawable.a2s, R.drawable.a3s, R.drawable.a4s, R.drawable.a5s, R.drawable.a6s, R.drawable.a7s, R.drawable.a8s,
      R.drawable.a9s, R.drawable.ts, R.drawable.js, R.drawable.qs, R.drawable.ks, R.drawable.as, 
      R.drawable.a2h, R.drawable.a3h, R.drawable.a4h, R.drawable.a5h, R.drawable.a6h, R.drawable.a7h, R.drawable.a8h, 
      R.drawable.a9h, R.drawable.th, R.drawable.jh, R.drawable.qh, R.drawable.kh, R.drawable.ah,
      R.drawable.a2d, R.drawable.a3d, R.drawable.a4d, R.drawable.a5d, R.drawable.a6d, R.drawable.a7d, R.drawable.a8d, 
      R.drawable.a9d, R.drawable.td, R.drawable.jd, R.drawable.qd, R.drawable.kd, R.drawable.ad };


  public void initDeck() {
    for (int i = 0; i < 52; i++) {
      deck[i] = false;
    }
    cardState = new boolean[] { false, false, false, false, false };
  }

  public int[] deal(int bet) {
    this.bet = bet;
    credit = credit - this.bet;
    return deal();
  }

  public int[] deal() {
    int i, card;
    for (i = 0; i < 5; i++) {
      if (firstDeal || !cardState[i]) {
        while (true) {
          card = (int) (Math.random() * 52);
          if (!deck[card]) {
            break;
          }
        }
        /*hand[0] = R.drawable.a2c;
        hand[1] = R.drawable.a2d;
        hand[2] = R.drawable.a2h;
        hand[3] = R.drawable.a2s;
        hand[4] = R.drawable.tc;*/
        
        hand[i] = cardIDs[card];
        deck[card] = true;
      }
    }
    return hand;
  }
  
  public int checkResults() {
    int i, tempory, j, threeVal;
    boolean flush, pair, three, straight, high, royal, four, two;
    flush = pair = three = two = straight = high = royal = four = false;
    threeVal = 15;

    // Break cards into values and suits
    for (i = 0; i < 5; i++) {
      for (int k = 0; k < cardIDs.length; k++) {
        if (hand[i] == cardIDs[k]) {
          if (k <= 13) {
            suit[i] = 0;
            value[i] = k;
          } else if (k > 13 && k <= 25) {
            suit[i] = 1;
            value[i] = k - 13;
          } else if (k > 25 && k <= 38) {
            suit[i] = 2;
            value[i] = k - 26;
          } else {
            suit[i] = 3;
            value[i] = k - 39;
          }
        }
      }
    }

    // Sort Cards
    for (i = 0; i < 4; i++)
      for (j = 1; j < 5 - i; j++) {
        if (value[j - 1] > value[j]) {
          tempory = value[j - 1];
          value[j - 1] = value[j];
          value[j] = tempory;
        }
      }

    // Check for Flush
    if ((suit[0] == suit[1]) && (suit[0] == suit[2]) && (suit[0] == suit[3]) && (suit[0] == suit[4])) {
      flush = true;
    }

    // Check for straight
    straight = true;
    for (i = 1; i < 5; i++) {
      if (value[i] != value[i - 1] + 1) {
        straight = false;
        break;
      }
    }
    if (straight) {
      if (value[0] > 7){
        royal = true;
      }
  }
    // Check for 4 of a kind
    if (((value[0] == value[1]) && (value[0] == value[2]) && (value[0] == value[3])) || ((value[1] == value[2]) && (value[1] == value[3]) && (value[1] == value[4]))) {
      four = true;
  }

    if (!four) {
      // Check for 3 of a kind
      for (i = 2; i < 5; i++) {
        if ((value[i - 2] == value[i - 1]) && (value[i - 1] == value[i])) {
          three = true;
          threeVal = value[i];
        }
      }

      // Check for pairs
      for (i = 1; i < 5; i++) {
        if ((value[i - 1] == value[i]) && (value[i] != threeVal)) {
          if (value[i] > 8) {
            high = true;
          }
          if (pair) {
            two = true;
          } else {
            pair = true;
          }
        }
      }
    }

    if (four) {
      curMes = 4;
    } else if ((pair) && (three)) {
      curMes = 5;
    } else if (two) {
      curMes = 2;
    } else if (three) {
      curMes = 3;
    } else if ((pair) && (high)) {
      curMes = 1;
    } else if ((straight) && (flush) && (royal)) {
      curMes = 9;
    } else if ((straight) && (flush)) {
      curMes = 8;
    } else if (straight) {
      curMes = 7;
    } else if (flush) {
      curMes = 6;
    } else {
      curMes = 10;
    }
    win = (this.bet * payOut[curMes]);
    score += win;
    credit = credit + win;
    return mes[curMes];
  }

  public int getWin() {
    return win;
  }

  public long getCredit() {
    return credit;
  }

  public void setCredit(long credit) {
    this.credit = credit;
  }
  
  public boolean isFirstDeal() {
    return firstDeal;
  }

  public void setFirstDeal(boolean firstDeal) {
    this.firstDeal = firstDeal;
  }

  public boolean[] getCardState() {
    return cardState;
  }
}

Java Source Code List

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