Android Open Source - septica-for-android Hard A I

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License

The source code is released under:
MIT License
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Java Source Code

package fera.costin.alexandru.ai;
//  w  ww .  j av a 2s  .c  om
import fera.costin.alexandru.logic.Game;
import fera.costin.alexandru.logic.ICard;

/**
 * 
 * @author Alexandru Fera
 *
 */
public class HardAI extends BaseAI implements AI
{
  private static final long serialVersionUID = 4611029703019334439L;

  public HardAI(Game mGame)
  {
    super(mGame);
  }

  public ICard firstMove()
  {
    int pc10 = 0;
    int pc11 = 0;
    int pc7 = 0;

    for (ICard c : opHand)
      if (c.getValue() == '7')
        pc7++;
      else if (c.getValue() == 't')
        pc10++;
      else if (c.getValue() == '1')
        pc11++;

    boolean put10, put11;
    if (pile.size() <= 4)
    {
      int p10hit = 0, p11hit = 0;
      for (ICard c : myHand)
        if (c.getValue() == '7')
        {
          p10hit++;
          p11hit++;
        } else if (c.getValue() == 't')
          p10hit++;
        else if (c.getValue() == '1')
          p11hit++;
      put10 = (pc10 > 0 && pc10 + pc7 > p10hit);
      put11 = (pc11 > 0 && pc11 + pc7 > p11hit);
    } else
    {
      double rnd = Math.random();
      put10 = (pc10 > 0 && pc10 + pc7 > (rnd < 0.4d ? 1 : 2));
      put11 = (pc11 > 0 && pc11 + pc7 > (rnd < 0.4d ? 1 : 2));
    }

    for (ICard c : opHand)
      if (put10 && c.getValue() == 't')
        return c;
      else if (put11 && c.getValue() == '1')
        return c;

    for (ICard c : opHand)
      if (c.getValue() != '7' && c.getValue() != 't'
          && c.getValue() != '1')
        return c;

    for (ICard c : opHand)
      if (c.getValue() != '7')
        return c;

    return opHand.get(0);
  }

  public ICard responseMove()
  {
    ICard baseCard = pile.get(0);
    boolean continuation = (pile.size() > 2);

    if (continuation)
    {
      ICard cmv = continuationMove();
      if (cmv != null)
        return cmv;

    } else
    {
      int pc10 = 0;
      int pc11 = 0;
      int pc7 = 0;
      int pcbase = 0;

      for (ICard c : opHand)
        if (c.getValue() == '7')
          pc7++;
        else if (c.getValue() == 't')
          pc10++;
        else if (c.getValue() == '1')
          pc11++;
        else if (c.getValue() == baseCard.getValue())
          pcbase++;

      boolean take10, take11;
      if (pile.size() <= 4)
      {
        int p10hit = 0, p11hit = 0;
        for (ICard c : myHand)
          if (c.getValue() == '7')
          {
            p10hit++;
            p11hit++;
          } else if (c.getValue() == 't')
            p10hit++;
          else if (c.getValue() == '1')
            p11hit++;
        take10 = (baseCard.getValue() == 't' && pc10 + pc7 > p10hit);
        take11 = (baseCard.getValue() == '1' && pc11 + pc7 > p11hit);
      } else
      {
        double rnd = Math.random();
        take10 = (baseCard.getValue() == 't' && pc10 + pc7 > (rnd < 0.6d ? 1
            : 2));
        take11 = (baseCard.getValue() == '1' && pc11 + pc7 > (rnd < 0.6d ? 1
            : 2));
      }

      for (ICard c : opHand)
        if (take10 && c.getValue() == 't')
          return c;
        else if (take11 && c.getValue() == '1')
          return c;
      for (ICard c : opHand)
        if ((take10 || take11) && c.getValue() == '7')
          return c;

      if (pcbase > 0 && baseCard.getValue() != 't'
          && baseCard.getValue() != '1')
      {
        for (ICard c : opHand)
          if (c.getValue() == baseCard.getValue())
            return c;
      }
    }

    for (ICard c : opHand)
      if (c.getValue() != '7' && c.getValue() != 't'
          && c.getValue() != '1')
        return c;
    return opHand.get(0);
  }
}
Java Source Code List
