/** Returns a move that minimizes the maximum utility by this agent. */
private Move min(Board board, int depth) {
nodes++;
// If the node is a terminal, return the heuristic, which is the score advantage for this agent.
if (depth <= 0) return new Move(board.getScoreAdvantage(ID));
// Get an array of all legal moves, and test all of them to find the one that maximizes the
// minimum
// score advantage of this agent.
Move[] moves = board.getLegalMoves();
// If there are no legal moves, return a value reflective of whether the agent has won, tied, or
// lost.
if (moves.length == 0)
return new Move(
(board.getScoreAdvantage(ID) > 0)
? Integer.MAX_VALUE
: ((board.getScoreAdvantage(ID) == 0) ? 0 : Integer.MIN_VALUE));
Move min = null;
for (Move m : moves) {
// Test the given move and replace min with the move if it has a lower value.
Move test = max(m.move(board), depth - 1);
board.unmove(1);
if (min == null || test.getValue() < min.getValue()) {
min = m;
min.setValue(test.getValue());
}
}
// Return the minimum move
return min;
}
@Override
public void doSmth(Move move, Car self, World world, Game game) {
if (self.getOilCanisterCount() > 0) {
MovingPoint currentPoint = Utils.getMap().getCurrentPoint(self, world, game);
if (currentPoint.isTurn()) {
move.setSpillOil(true);
}
}
}
@Override
public void mouseClicked(MouseEvent m) {
SquarePanel sp = ((SquarePanel) (m.getSource()));
Piece p = Board.getInstance().getPieceAtSquare(sp.getI(), sp.getJ());
if (sp.getBackground().equals(Color.red)) {
sp.getBoardView().recolorBoard();
Board.getInstance().setSelectedPiece(null);
} else if (sp.getBackground().equals(PURPLE)) {
Piece piece = Board.getInstance().getSelectedPiece();
Board.getInstance().setSelectedPiece(null);
Move move =
new Move(piece.getLocation(), Board.getInstance().getSquare(sp.getI(), sp.getJ()), piece);
Board.getInstance().makeMove(move);
sp.getBoardView().setUpBoard();
Board.getInstance().setLastPlayerMove(move);
Move last = Board.getInstance().getLastPlayerMove();
if (last.getPiece() instanceof Pawn && last.getEndPositon().getI() == 0) {
new PromotionWindow(last.getPiece(), sp.getBoardView());
}
try {
Move cpuMove = Search.decision(last);
Board.getInstance().setLastCpuMove(cpuMove);
Board.getInstance().makeMove(cpuMove);
sp.getBoardView().setUpBoard();
sp.getBoardView()
.getSquarePanelAt(cpuMove.getEndPositon().getI(), cpuMove.getEndPositon().getJ())
.setBackground(Color.blue);
/*ArrayList<Move> opposingPlayer = Search.getAvailableMoves(0);
if(opposingPlayer.isEmpty()){
System.out.println("check mate");
}*/
Move lastCpu = Board.getInstance().getLastCpuMove();
if (lastCpu.getPiece() instanceof Pawn && lastCpu.getEndPositon().getI() == 7) {
Piece pawn = lastCpu.getPiece();
Piece newPiece = new PieceFactory().createPiece("bq", pawn.getLocation());
newPiece.setLocation(pawn.getLocation());
Board.getInstance().removePiece(pawn, 1);
Board.getInstance().addPiece(newPiece, 1);
pawn.setLocation(null);
sp.getBoardView().setUpBoard();
}
} catch (Exception e) {
}
} else if (p != null
&& !p.equals(Board.getInstance().getSelectedPiece())
&& p.getPlayer() != 1) {
Board.getInstance().setSelectedPiece(p);
sp.getBoardView().recolorBoard();
sp.setBackground(Color.red);
ArrayList<Move> moves = p.generateMoves();
moves = KingSafety.safeMoves(moves, 0);
if (!moves.isEmpty()) {
for (Move mv : moves) {
sp.getBoardView()
.getSquarePanelAt(mv.getEndPositon().getI(), mv.getEndPositon().getJ())
.setBackground(Color.green);
}
}
}
}