Package com.barrybecker4.game.twoplayer.go.board.elements.string

Examples of com.barrybecker4.game.twoplayer.go.board.elements.string.GoStringSet

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     * @return all the strings on the board
     */
    public GoStringSet determineAllStringsOnBoard() {

        clearEyes();
        GoStringSet strings = new GoStringSet();
        for ( int i = 1; i <= board_.getNumRows(); i++ )  {
            for ( int j = 1; j <= board_.getNumCols(); j++ ) {
                GoBoardPosition pos = (GoBoardPosition)board_.getPosition(i, j);
                if (pos.isOccupied()) {
                    IGoString existingString = strings.findStringContainingPosition(pos);
                    if (existingString == null) {
                        GoString str = new GoString(findStringFromInitialPosition(pos, true), board_);
                        strings.add(str);
                        pos.setString(str);
                    }
                    else {
                        pos.setString(existingString);
                    }
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    /**
     * @return true if any of the candidateStrings are unconditionally alive (i.e. pass alive).
     */
    private boolean determineUnconditionalLife() {

        GoStringSet livingStrings = findPassAliveStrings();
        return !livingStrings.isEmpty();
    }
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    /**
     * @return the set of strings in the group that are unconditionally alive.
     */
    private GoStringSet findPassAliveStrings() {

        GoStringSet candidateStrings = new GoStringSet(group_.getMembers());
        boolean done;

        do {
            initializeEyeLife();
            Iterator<IGoString> it = candidateStrings.iterator();

            done = true;
            while (it.hasNext()) {

                IGoString str = it.next();
                int numLivingAdjacentEyes = findNumLivingAdjacentEyes(str);
                if (numLivingAdjacentEyes < 2) {
                    str.setUnconditionallyAlive(false);
                    it.remove();
                    done = false; // something changed
                }
            }

        }  while ( !(done || candidateStrings.isEmpty()));
        return candidateStrings;
    }
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        ParameterArray initialGuess = new TantrixPath(board);
        assert(initialGuess.size() > 0) : "The random path should have some tiles!";
        long startTime = System.currentTimeMillis();

        Optimizer optimizer = new Optimizer(this);
        optimizer.setListener(this);

        ParameterArray solution =
            optimizer.doOptimization(strategy, initialGuess, SOLVED_THRESH);

        solution_ =
            new TantrixBoard(((TantrixPath)solution).getTilePlacements(), board.getPrimaryColor());

        TilePlacementList moves;
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     * @return list of moves to a solution.
     */
    @Override
    public TilePlacementList solve()  {

        ParameterArray initialGuess = new TantrixPath(board);
        assert(initialGuess.size() > 0) : "The random path should have some tiles!";
        long startTime = System.currentTimeMillis();

        Optimizer optimizer = new Optimizer(this);
        optimizer.setListener(this);

        ParameterArray solution =
            optimizer.doOptimization(strategy, initialGuess, SOLVED_THRESH);

        solution_ =
            new TantrixBoard(((TantrixPath)solution).getTilePlacements(), board.getPrimaryColor());

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     * Draw one of the tile paths which takes one of three forms.
     */
    public void drawPath(Graphics2D g2, int pathNumber, TilePlacement tilePlacement,
                         Point position, double size) {

        HexTile tile = tilePlacement.getTile();
        int pathStartIndex = getPathStartIndex(tile, pathNumber);

        int i = pathStartIndex + 1;

        PathColor pathColor = tile.getEdgeColor(pathStartIndex);
        while (pathColor != tile.getEdgeColor(i++)) {
            assert(i<6): "Should never exceed 6";
        }

        int pathEndIndex = i-1;
        int diff = pathEndIndex - pathStartIndex;
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        this.numTiles = numTiles;
    }

    public TantrixBoard initialPosition() {
        //MathUtil.RANDOM.setSeed(1);
        return new TantrixBoard(new HexTiles().createRandomList(numTiles));
    }
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    public boolean isGoal(TantrixBoard position) {
        return position.isSolved();
    }

    public TilePlacementList legalMoves(TantrixBoard position) {
        return new MoveGenerator(position).generateMoves();
    }
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        HexTile tile = tilePlacement.getTile();
        int pathStartIndex = getPathStartIndex(tile, pathNumber);

        int i = pathStartIndex + 1;

        PathColor pathColor = tile.getEdgeColor(pathStartIndex);
        while (pathColor != tile.getEdgeColor(i++)) {
            assert(i<6): "Should never exceed 6";
        }

        int pathEndIndex = i-1;
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     */
    private int getPathStartIndex(HexTile tile, int pathNumber) {
        Set<PathColor> set = new HashSet<PathColor>();
        int i = 0;
        do {
            PathColor c = tile.getEdgeColor(i++);
            set.add(c);
        } while (set.size() <= pathNumber);
        return i-1;
    }
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Related Classes of com.barrybecker4.game.twoplayer.go.board.elements.string.GoStringSet

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  • com.barrybecker4.common.concurrency.Worker
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  • com.barrybecker4.common.math.function.ArrayFunction
  • com.barrybecker4.common.math.function.CountFunction
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