Beispiel #1
0
  @Override
  public Piece givePiece(Board board, Piece[] pieces) {
    List<Piece> nonWinning = new ArrayList<>(Arrays.asList(pieces));
    Streak[] streaks = board.findStreaks();
    for (Streak streak : streaks) {
      if (streak.getLength() == 3) {
        Piece streakPiece = new Piece(streak.getType());
        // Remove matching from nonWinning list
        LinkedList<Piece> winning = new LinkedList<>();
        for (Piece p : nonWinning) {
          if (Piece.getSimilarities(p, streakPiece) != 0) {
            winning.add(p);
          }
        }
        nonWinning.removeAll(winning);
      }
    }

    if (nonWinning.isEmpty()) {
      //            System.out.println("Must give a winning piece");
      return super.givePiece(board, pieces);
    } else {
      //            System.out.println("Non winning piece");
      return nonWinning.get(0);
    }
  }
Beispiel #2
0
  @Override
  public Board yourMove(Piece givenPiece, Board board, Piece[] piecesAvailable) {
    Streak[] streaks = board.findStreaks();
    for (Streak streak : streaks) {
      if (streak.getLength() == 3
          && Piece.getSimilarities(givenPiece, new Piece(streak.getType())) != 0) {
        // Place piece

        // Find free places
        int[] placeFree = new int[] {0, 1, 2, 3};
        for (int i = 0; i < 4; i++) {
          Piece p = null;
          switch (streak.getOrientation()) {
            case HORIZONTAL:
              p = board.getPiece(streak.getNo(), i);
              break;
            case VERTICAL:
              p = board.getPiece(i, streak.getNo());
              break;
            case DIAGONAL:
              if (streak.getNo() == 0) {
                p = board.getPiece(i, i);
              } else {
                p = board.getPiece(3 - i, i);
              }
          }
          if (p != null) {
            placeFree[i] = -1;
          }
        }
        for (int place : placeFree) {
          if (place >= 0) {
            if (streak.getOrientation() == Streak.Orientation.HORIZONTAL) {
              board.setPiece(streak.getNo(), place, givenPiece);
            } else if (streak.getOrientation() == Streak.Orientation.VERTICAL) {
              board.setPiece(place, streak.getNo(), givenPiece);
            } else {
              if (streak.getNo() == 0) {
                board.setPiece(place, place, givenPiece);
              } else {
                board.setPiece(3 - place, place, givenPiece);
              }
            }
          }
        }
        return board;
      }
    }
    return super.yourMove(givenPiece, board, piecesAvailable);
  }