private Move solveMove(Move move) throws NoFreeCellException, AgainstTheRulesException {
MoveMacro newMove = new MoveMacro();
Iterator stackIterator = stacks[move.getFrom()].createIterator();
FreeCellAllocator allocator = new FreeCellAllocator();
{
// Find out if any move would be possible before we go to the trouble of creating a movemacro.
boolean found = false;
while (stackIterator.hasNext()) {
Card theCard = (Card) stackIterator.next();
if (stacks[move.getTo()].canPush(theCard)) {
found = true;
break;
}
/*
* TODO: A side effect of this is if the fromstack includes any
* card that could be moved, the move will allocate free cells
* until it runs out, even if the card is buried deep?
* //int freeCells = allocator.getNumFreeCells();
* //for (int i=0; i < freeCells; i++) {
*/
}
if (!found) {
throw new AgainstTheRulesException("There are no valid moves possible.");
}
}
// Go back to the beginning.
stackIterator.reset();
while (stackIterator.hasNext()) {
Card theCard = (Card) stackIterator.next();
// if this card can be moved, then create the move and end
if (stacks[move.getTo()].canPush(theCard)) {
newMove.addMove(move);
break;
} else {
// if it can't be moved directly, then get a free cell and create a move to the free cell.
int cell = allocator.getFreeCell();
newMove.addMove(new Move(move.getFrom(), cell, this));
} // If we get a NoFreeCellException here, it's passed back and newMove gets gc'ed.
}
// Now, go back through the moves and move everything to the destination stack in reverse order.
Iterator moveIterator = newMove.createIterator();
moveIterator.previous(); // Skip the very last move, we don't need to repeat that.
while (moveIterator.hasPrevious()) {
Move theMove = (Move) moveIterator.previous();
newMove.addMove(new Move(theMove.getTo(), move.getTo(), this));
}
return newMove;
}
// alpha-beta search
public Move alphaBeta(
Board currentBoard, int ply, Player player, double alpha, double beta, int maxDepth) {
/*
Algorithm provided by: Dr. Cameron
Implemented by: Brett Hodges
*/
if (ply >= maxDepth) {
Move returnMove = new Move();
returnMove.value = currentBoard.evaluateBoard(player);
return returnMove;
} else {
ArrayList<Move> moves = currentBoard.generateMoves(player);
Move bestMove = moves.get(0);
for (Move move : moves) {
Board newBoard = new Board(currentBoard);
newBoard.applyMove(player, move.move);
// Recursively Call alpha-beta
Move tempMove =
alphaBeta(newBoard, ply + 1, player.getOpponant(), beta * -1, alpha * -1, maxDepth);
move.value = -tempMove.value;
if (move.value > alpha) {
bestMove = move;
alpha = move.value;
if (alpha > beta) return bestMove;
}
}
return bestMove;
}
}
public void revertMove() {
// pops a move from the stack and reverses it
try {
Move move = this.popMoveFromHistory(); // pop a move off the stack
if (move.getPosition() == -1) {
// move is pass
} else {
this.positions[move.getPosition()] = 0; // set move position to empty
int stackSize = move.getFlipStackSize(); // how many flips are there?
for (int i = 0; i < stackSize; i++) { // loop through the stack
int flipPosition = move.popFlip();
// System.out.println(flipPosition);
this.setPosition(flipPosition); // pop a flip and un-flip it
}
}
// Debugging stuff
popCount++;
// System.out.println("pop");
// this.printBoard();
} catch (NullPointerException e) {
System.out.println("(C you tried to pop an empty move stack )");
}
}
// generates all possible moves for player passed, gives them a rating, and sorts them
public ArrayList<Move> generateMoves(Player player) {
int playerNumber = player.getPlayerNumber();
ArrayList<Move> moveList = new ArrayList<>();
for (int i = 0; i < board.length; i++) {
if (isValidMove(playerNumber, i)) {
Move move = new Move(i);
if (CORNERS.contains(move.getMove())) {
move.setValue(500);
} else if (AMOVES.contains(move.getMove())) {
move.setValue(250);
} else if (BMOVES.contains(move.getMove())) {
move.setValue(100);
} else if (CMOVES.contains(move.getMove())) {
move.setValue(50);
} else move.setValue(-5);
moveList.add(move);
}
}
// in case of no moves, add pass move
if (moveList.size() > 0) {
Collections.sort(moveList, new MoveComparator());
Collections.reverse(moveList);
} else {
String pass = "" + player.getPlayerColor();
Move move = new Move(pass);
moveList.add(move);
}
player.assignPossibleMoves(moveList);
return moveList;
}
public void unmove(Move move) {
try {
Card theCard = stacks[move.getTo()].getTopCard();
stacks[move.getFrom()].deal(theCard);
stacks[move.getTo()].pop();
} catch (Exception e) {
controller.alert("Sorry, I guess you're outta luck.");
}
this.repaint();
}
/**
* Apply the given Move to this Board (i.e., mark the Move's location on this Board with the
* Move's Player).
*/
public void apply(Move move) throws TTTRuntimeException {
int x = move.getX();
int y = move.getY();
int z = move.getZ();
if (x < 0 || x >= size || y < 0 || y >= size || z < 0 || z >= size) {
throw new IllegalLocationException();
} else if (!isEmpty(x, y, z)) {
throw new LocationOccupiedException();
} else {
grid[x][y][z] = move.getPlayer();
}
}
public void applyMove(int color, Move move) {
// applies move based on fields of supplied move and pushes it to the stack
if (move.getPosition() == -1) {
// move is pass
} else {
this.positions[move.getPosition()] = color;
Stack<Integer> flipStack = move.getFlips();
int amountOfFlips = flipStack.size();
for (int i = 0; i < amountOfFlips; i++) {
this.positions[flipStack.pop()] = color;
}
}
this.pushMoveToHistory(move);
this.clearLegalMovesList();
// debugging stuff
pushCount++;
// System.out.println("push");
// this.printBoard();
}
public int makeComputerMove(long timeRemaining) {
// othellonator makes a move
Move myMove = null;
moveCount++;
System.out.println("(C moveCount = " + moveCount + ")");
if (this.generateLegalMoves(myColor)) { // evaluate board, do stuff if legal moves found
String listSize = Integer.toString(getLegalMovesListSize());
System.out.println("(C Number of moves:" + listSize + " )");
if (moveCount < 10) {
myMove = Search.alphaBetaSearch(this, 6, myColor);
} else if (moveCount >= 10 && moveCount <= 20) {
myMove = Search.alphaBetaSearch(this, 8, myColor);
} else {
myMove = Search.alphaBetaSearch(this, 10, myColor);
}
this.applyMove(myColor, myMove); // apply the move returned by the search
return myMove.getPosition(); // return the position of the move so it can be output
} else return -1; // signal that no move was found
}
public boolean evaluateOpponentMove(int color, int position) {
// runs generateMoveForPosition() to generate flips and push the move on to the list
// then applies the move at the front of the list
boolean legal = false;
Move move = null;
this.generateLegalMoves(myColor * -1); // evaluate legal moves for opponent
for (int i = 0; i < this.legalMovesList.size(); i++) { // check move against legalMovesList
Move tester = this.getLegalMove(i);
// if opponent's move found in legalMoveList, it is legal
if (tester.getPosition() == position) {
legal = true;
move = tester;
}
}
// if the move is legal, apply it and return true. otherwise return false.
if (legal) {
applyMove(color, move);
return true;
} else return false;
}
public void autoHome() {
boolean found = true; // Set once for the beginning.
while (found) { // As long as we found something on a previous pass, keep trying.
found = false;
// TODO: Search cellstacks as well. I got arrayIndexOutOfBounds before, because it overstepped
// some boundary.
for (int i = 0; i < PLAYSTACKLENGTH; i++) {
if (stacks[i].hasCards()) {
Card theCard = stacks[i].getTopCard();
int homeStack = findHome(theCard);
if (homeStack > -1) {
found = true;
Move move = new Move(i, homeStack, this);
try {
move.execute();
addToHistory(move);
} catch (Exception e) {
controller.alert(e.getMessage());
}
}
}
}
}
}
@Override
@HibernateUserRead
public void step2() {
CardType ct = CardType.getTL(ctId);
Date dt = new Date();
Card c = new Card(txt, ct, dt);
c.setCreatedInMove(Move.getCurrentMoveTL());
c.setAuthor(User.getTL(author.getId())); // fresh
if (newCardListener != null) newCardListener.cardCreatedTL(c);
content.setValue("");
content.setInputPrompt("Enter text for another card.");
closeDrawer();
resetCoroutine(); // for another click
}
/**
* applyMove applies the given move to the board. First, the new piece is added to the startPos
* Then the pieces are moved in the direction of the move, and finally pieces that need to be
* removed are removed from the board
*
* @param move the move that is applied
*/
public void applyMove(Move move) {
// An invalidMoveException can be thrown if applying that move would mean to place pieces on an
// illegal position.
try {
moveCounter++;
// If there's already a winner, the move won't be applied
if (gipfBoardState.players.winner() != null) return;
/*
* Prepare for creating a new child GipfBoardState. The pieceMap and playersInGame objects of the current
* gipfBoardState are unmodifiable, so we have to create modifiable copies.
* If the move turns out to be legal, a new child GipfBoardState will be generated, based on the modified
* copies of the PieceMap and the PlayersInGame objects.
*/
// The piece map returned by getPieceMap() is unmodifiable, so it has to be converted to a new
// (hash) map
// the newPieceMap can be modified, after that a new GipfBoardState can be generated.
Map<Position, Piece> newPieceMap = new HashMap<>(gipfBoardState.getPieceMap());
// The same is true for the PlayersInGame object. It is unmodifiable, so a new instance has to
// be created
// for the new board state.
PlayersInGame newPlayers = new PlayersInGame(gipfBoardState.players);
// If the current player has enough pieces left in the reserve to perform the move (1 for a
// normal move, 2 for
// a Gipf move.)
if (newPlayers.current().reserve >= move.addedPiece.getPieceValue()) {
/*
* Move the piece
*/
// Each move adds a new piece to the board
newPieceMap.put(move.startPos, move.addedPiece);
// Move it into the direction determined by the move
movePiecesTowards(newPieceMap, move.startPos, move.direction);
/*
* Remove the lines and pieces that can be removed from the board
*/
// Create an object that keeps track of which piece is taken by whom. An EnumMap instead of
// a HashMap is
// used, because all keys correspond with values from the PieceColor enum.
Map<PieceColor, Set<Line.Segment>> linesTakenBy = new EnumMap<>(PieceColor.class);
linesTakenBy.put(WHITE, new HashSet<>());
linesTakenBy.put(BLACK, new HashSet<>());
// Create an object that keeps track of which individual pieces are taken by whom.
// A HashMap is used because it can handle null keys, in contrast with EnumMaps.
Map<PieceColor, Set<Position>> piecesBackTo = new HashMap<>();
piecesBackTo.put(WHITE, new HashSet<>());
piecesBackTo.put(BLACK, new HashSet<>());
piecesBackTo.put(null, new HashSet<>()); // Used for pieces that are removed from the board
/*
* Distinguish between complete and incomplete moves.
* - Complete moves:
* are generated by the getAllowedMoves() method and contain all information about that move,
* including a choice for which lines or gipf pieces will be removed.
* - Incomplete moves:
* are performed by human players. These moves don't contain the information of which pieces are
* removed. This means that there may be user interaction required if the player must choose between
* multiple lines or gipf pieces that can be removed.
*/
if (move.isCompleteMove) {
// Complete moves are the easiest to handle, the positions of pieces that are removed are
// already
// determined.
// This means that we only have to read the values for the pieces that are returned to
// each player
// into the piecesBackTo map.
piecesBackTo.get(WHITE).addAll(move.piecesToWhite);
piecesBackTo.get(BLACK).addAll(move.piecesToBlack);
piecesBackTo.get(null).addAll(move.piecesRemoved);
} else {
// Now we have incomplete moves. This means that we have to remove the pieces that are
// required to
// be removed. If the player must choose between different pieces / lines, the removeLines
// method
// will ask the player to make a choice.
// Get the lines that are taken by the current player (retrieved from linesTakenBy) and
// store them
// in the piecesBackTo map. The opponent's pieces are stored in piecesBackTo.get(null),
// because they
// are removed from the board.
removeLines(newPieceMap, newPlayers.current().pieceColor, linesTakenBy, piecesBackTo);
// linesTakenBy.get(newPlayers.current().pieceColor).addAll(getRemovableLineSegments(newPieceMap, newPlayers.current().pieceColor));
// Get the lines that are taken by the opponent (retrieved from the linesTakenBy map), and
// store
// them in the piecesBackTo map. The current player's pieces are stored in
// piecesBackTO.get(null),
// because they are removed from the board.
PieceColor opponentColor = newPlayers.current().pieceColor == WHITE ? BLACK : WHITE;
removeLines(newPieceMap, opponentColor, linesTakenBy, piecesBackTo);
// linesTakenBy.get(opponentColor).addAll(getRemovableLineSegments(newPieceMap,
// opponentColor));
}
gameLogger.log(move.toString());
// Each value in the piecesBackTo map is a set, and each element (position) of the sets of
// all values
// is removed from the pieceMap.
// The number of the returned pieces for each player are added to their reserve.
for (Map.Entry<PieceColor, Set<Position>> removedPieces : piecesBackTo.entrySet()) {
if (removedPieces.getKey() != null) {
// Calculate the sum for the pieces returned to this player. Normal pieces have a value
// of 1,
// gipf pieces a value of 2 determined in Piece.getPieceValue().
int returnedPiecesSum =
removedPieces
.getValue()
.stream()
.mapToInt(
position -> {
if (newPieceMap.containsKey(position))
return newPieceMap.get(position).getPieceValue();
else return 1;
})
.sum();
newPlayers.get(removedPieces.getKey()).reserve += returnedPiecesSum;
gameLogger.log(removedPieces.getKey() + " retrieved " + returnedPiecesSum + " pieces");
}
// The pieces are not earlier removed from the board, because the returnedPiecesSum
// variable can
// only be set if all the pieces are still on the board.
removePiecesFromPieceMap(newPieceMap, removedPieces.getValue());
}
/*
* Set the properties for the player, based on the move
*/
if (move.addedPiece.getPieceType() == PieceType.GIPF) {
newPlayers.current().hasPlacedGipfPieces = true;
}
if (!newPlayers.current().isPlacingGipfPieces) {
newPlayers.current().hasPlacedNormalPieces = true;
}
// Update the current player's reserve for the last added piece
newPlayers.current().reserve -= move.addedPiece.getPieceValue();
/*
* Check whether it is game over
*/
// If we create a new GipfBoardState based on the calculated properties, will there be a
// game over situation?
if (getGameOverState(new GipfBoardState(null, newPieceMap, newPlayers))) {
// If the current player causes a game over situation, the other player (updateCurrent()),
// will be
// the winner of the game.
newPlayers = newPlayers.updateCurrent().makeCurrentPlayerWinner();
gameLogger.log("Game over! " + newPlayers.winner().pieceColor + " won!");
if (moveCounter != 1) {
if (SettingsSingleton.getInstance().showExperimentOutput) {
String moveCountString = Integer.toString(moveCounter);
String durationString =
Long.toString(Duration.between(gameStartInstant, Instant.now()).toMillis());
String winnerString = newPlayers.winner().pieceColor.toString();
String whiteAlgorithm = whitePlayer.getClass().getSimpleName();
String blackAlgorithm = blackPlayer.getClass().getSimpleName();
ExperimentLogger.get()
.log(
whiteAlgorithm
+ "; "
+ blackAlgorithm
+ "; "
+ moveCountString
+ "; "
+ durationString
+ "; "
+ winnerString);
}
}
}
// We don't need to update the current player if the game has ended
if (newPlayers.winner() == null) {
newPlayers = newPlayers.updateCurrent();
}
// Create a new gipfBoardState, based on the calculated PieceMap and PlayersInGame objects.
GipfBoardState newGipfBoardState =
new GipfBoardState(gipfBoardState, newPieceMap, newPlayers);
boardHistory.add(gipfBoardState);
this.gipfBoardState = newGipfBoardState;
} else {
gameLogger.log("No pieces left");
}
// Recalculate the properties of this gipfBoardState
gipfBoardState.boardStateProperties.updateBoardState();
} catch (InvalidMoveException e) {
System.out.println("Move not applied");
}
}
@Override
public int compare(Move move1, Move move2) {
return Integer.compare(move1.getValue(), move2.getValue());
}
static int MiniMax(
int[][] board,
int depth,
int max_depth,
int[] the_move,
int turn,
int[] counter,
int white_best,
int black_best) {
// System.out.println ("\n");
// System.out.println ("Calculating minimax");
int the_score = 0;
int[][] new_board = new int[8][8];
int best_score; // , chosen_score;
int[] best_move = new int[4];
Vector<int[]> moves_list = new Vector<int[]>(); // vector of 4x1 arrays
// Thread.yield();
// assumes that depth is never equal to max_depth to begin with since
// chosen_move is not set here
if (depth == max_depth) {
best_score = Evaluation(board);
counter[0]++;
} else {
moves_list = Move.generate_moves(board, turn);
best_score = which_turn(turn);
switch (moves_list.size()) {
case 0:
counter[0]++;
return best_score;
case 1:
if (depth == 0) {
// forced move: immediately return control
best_move = (int[]) moves_list.elementAt(0);
for (int k = 0; k < 4; k++) the_move[k] = best_move[k];
return 0;
} else {
// extend search since there is a forcing move
max_depth += 1;
}
}
for (int i = 0; i < moves_list.size(); i++) {
new_board = copy_board(board); // board need not be touched
Move.move_board(new_board, (int[]) moves_list.elementAt(i)); // returns new_board
int temp[] = new int[4];
the_score =
MiniMax(
new_board,
depth + 1,
max_depth,
temp,
opponent(turn),
counter,
white_best,
black_best);
if (turn == Checkers.BLACK && the_score > best_score) {
best_move = (int[]) moves_list.elementAt(i);
best_score = the_score;
if (best_score > black_best) {
if (best_score >= white_best) break; /* alpha_beta cutoff */
else black_best = best_score; // the_score
}
} else if (turn == Checkers.WHITE && the_score < best_score) {
best_move = (int[]) moves_list.elementAt(i);
best_score = the_score;
if (best_score < white_best) {
if (best_score <= black_best) break; /* alpha_beta cutoff */
else white_best = best_score; // the_score
}
}
} // end for
} // end else
for (int k = 0; k < 4; k++) the_move[k] = best_move[k];
return best_score;
} // end minimax
static int which_turn(int turn) {
return Move.color(turn) == Checkers.BLACK ? -INFINITY : INFINITY;
}
public Set<Move> getAllowedMoves() {
// If there is already a winn
if (gipfBoardState.players.winner() != null) {
return Collections.emptySet();
}
// Create a set of incomplete moves containing the starting positions and directions for the
// current piece
Set<Move> potentialMoves = getPotentialStartMoves(getCurrentPiece());
// If the current piece is a GIPF piece, the player is also allowed to place normal pieces.
if (getCurrentPiece().getPieceType() == GIPF)
potentialMoves.addAll(
getPotentialStartMoves(Piece.of(NORMAL, getCurrentPiece().getPieceColor())));
// These moves are marked as complete so a temporary game won't ask for user input.
potentialMoves.stream().forEach(m -> m.isCompleteMove = true);
Set<Move> potentialMovesIncludingLineSegmentRemoval = new HashSet<>();
for (Move potentialMove : potentialMoves) {
try {
Map<Position, Piece> temporaryPieceMap = new HashMap<>(getGipfBoardState().getPieceMap());
temporaryPieceMap.put(potentialMove.startPos, potentialMove.addedPiece);
movePiecesTowards(
temporaryPieceMap, potentialMove.getStartingPosition(), potentialMove.getDirection());
Set<List<Pair<PieceColor, Line.Segment>>> RLineOrderingsSet =
getRemovableLineOrderingsSetFromGipfBoard(
temporaryPieceMap, getCurrentPiece().getPieceColor());
if (RLineOrderingsSet.size() > 0) {
for (List<Pair<PieceColor, Line.Segment>> RLineOrdering : RLineOrderingsSet) {
Set<Position> piecesToWhite = new HashSet<>();
Set<Position> piecesToBlack = new HashSet<>();
Set<Position> piecesRemoved = new HashSet<>();
for (Pair<PieceColor, Line.Segment> RLine : RLineOrdering) {
Line.Segment removedSegment = RLine.getValue();
// The color of the player who removed the line
PieceColor colorRemoved = RLine.getKey();
// Determine per segment to whom the pieces are given. Pieces can only be given to the
// player
// who removed the line, or deleted from the game.
Set<Position> occupiedPositions =
removedSegment.getOccupiedPositions(temporaryPieceMap);
Set<Position> piecesFromSegmentBackToReserve =
occupiedPositions
.stream()
.filter(
position ->
temporaryPieceMap.get(position).getPieceColor() == colorRemoved)
.collect(toSet());
Set<Position> piecesFromSegmentRemoved =
occupiedPositions
.stream()
.filter(position -> !piecesFromSegmentBackToReserve.contains(position))
.collect(toSet());
if (colorRemoved == WHITE) piecesToWhite.addAll(piecesFromSegmentBackToReserve);
if (colorRemoved == BLACK) piecesToBlack.addAll(piecesFromSegmentBackToReserve);
piecesRemoved.addAll(piecesFromSegmentRemoved);
}
// And finally add the move
// the constructor will define this as a complete move, because all the parameters have
// a value.
potentialMovesIncludingLineSegmentRemoval.add(
new Move(
potentialMove.addedPiece,
potentialMove.startPos,
potentialMove.direction,
piecesToWhite,
piecesToBlack,
piecesRemoved));
}
} else {
// If no line segments can be removed, just add the original move
potentialMovesIncludingLineSegmentRemoval.add(potentialMove);
}
} catch (InvalidMoveException e) {
// We don't consider this move if it is invalid
}
}
return potentialMovesIncludingLineSegmentRemoval;
}
protected void keyPressed(int keyCode) {
int selectionLocation = getSelectionLocation();
// Selection buttons
if ((keyCode == KEY_NUM4) || (keyCode == -3) || (keyCode == LEFT)) {
// NUM4, left, bbtrackball left
gotoPrevious();
} else if ((keyCode == KEY_NUM6) || (keyCode == -4) || (keyCode == RIGHT)) {
// NUM5, right, bbtrackball right
gotoNext();
// Action buttons
} else if ((keyCode == -5) || (keyCode == FIRE) || (keyCode == -8) || (keyCode == 10)) {
// Emulator OK, FIRE, bbtrackball click, keyboard return
if (selectionLocation > -1) {
if (selectionLocation == cursorLocation) {
// Selecting the same card that's already selected
try {
// Toggle selection
stacks[selectionLocation].unselect();
} catch (Exception e) {
controller.alert(e.getMessage());
}
} else {
try {
// Create the move and execute it.
Move move = new Move(selectionLocation, cursorLocation, this);
move.execute();
addToHistory(move);
if (stacks[selectionLocation].hasCards()) {
stacks[selectionLocation].unselect();
}
} catch (AgainstTheRulesException e) {
// If no solution is found, then complain.
controller.alert(e.getMessage());
} catch (NoFreeCellException e) {
// If the solver couldn't find enough cells, then complain.
controller.alert(e.getMessage());
} catch (InvalidCardException e) {
controller.alert(e.getMessage());
} finally {
try {
// And make sure nothing is left selected
selectionLocation = getSelectionLocation();
if (selectionLocation > -1) {
stacks[selectionLocation].unselect();
}
} catch (Exception e) {
// And if that fails, complain
controller.alert(e.getMessage());
}
}
}
this.repaint();
} else {
try {
// Select the card under the cursor
stacks[cursorLocation].select();
} catch (Exception e) {
// And if that fails, complain
controller.alert(e.getMessage());
}
repaint();
}
} else if ((keyCode == UP) || (keyCode == -1)) {
// UP, Emulator UP
if (getSelectionLocation() == -1) {
// Move the selection location to the top, for convenience.
gotoLocation(PLAYSTACKLENGTH + CELLSTACKLENGTH - 1);
this.repaint();
} else {
// Move the currently-selected card home if possible, or to a free cell, if available.
try {
Card theCard = stacks[selectionLocation].getTopCard();
int homeslot = findHome(theCard);
if (homeslot > -1) {
Move move = new Move(selectionLocation, homeslot, this);
move.execute();
addToHistory(move);
} else {
// Find a free cell and if found, create a move and execute.
int freeCell = new FreeCellAllocator().getFreeCell();
Move move = new Move(selectionLocation, freeCell, this);
move.execute();
addToHistory(move);
}
if (stacks[selectionLocation].hasCards()) {
stacks[selectionLocation].unselect();
}
} catch (AgainstTheRulesException e) {
// If no solution is found, then complain.
controller.alert(e.getMessage());
} catch (NoFreeCellException e) {
// If the solver couldn't find enough cells, then complain.
controller.alert(e.getMessage());
} catch (InvalidCardException e) {
controller.alert(e.getMessage());
} finally {
try {
// And make sure nothing is left selected
selectionLocation = getSelectionLocation();
if (selectionLocation > -1) {
stacks[selectionLocation].unselect();
}
} catch (Exception e) {
// And if that fails, complain
controller.alert(e.getMessage());
}
}
}
// Other buttons
} else {
// DEBUG
// controller.alert("KeyCode:"+keyCode+"\nCursor:"+cursor.toString());
}
}
public void doMove(Move move)
throws AgainstTheRulesException, NoFreeCellException, InvalidCardException {
Card theCard = null;
try {
theCard = stacks[move.getFrom()].pop();
stacks[move.getTo()].push(theCard);
} catch (AgainstTheRulesException e1) {
if (!theCard.equals(null)) {
// If we managed to pop the card, deal it back.
stacks[move.getFrom()].deal(theCard);
}
// TODO: If this move is already part of a movemacro, then we don't want to keep trying to
// solve it.
Move newMove = solveMove(move);
newMove.execute();
addToHistory(move);
}
this.repaint();
}