93 lines
2.3 KiB
Java
93 lines
2.3 KiB
Java
package dev.kske.chess.board;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Project: <strong>Chess</strong><br>
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* File: <strong>Bishop.java</strong><br>
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* Created: <strong>01.07.2019</strong><br>
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*
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* @since Chess v0.1-alpha
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* @author Kai S. K. Engelbart
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*/
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public class Bishop extends Piece {
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/**
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* Creates bishop {@link Piece}.
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*
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* @param color the color of this bishop
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* @param board the board on which this bishop will be placed
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*/
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public Bishop(Color color, Board board) {
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super(color, board);
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}
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@Override
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public boolean isValidMove(Move move) {
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return move.isDiagonal() && isFreePath(move);
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}
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@Override
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protected List<Move> getPseudolegalMoves(Position pos) {
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List<Move> moves = new ArrayList<>();
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// Diagonal moves to the lower right
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for (int i = pos.x + 1, j = pos.y + 1; i < 8 && j < 8; i++, j++) {
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Move move = new Move(pos, new Position(i, j));
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if (
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board.getDest(move) == null
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|| board.getDest(move).getColor() != getColor()
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) {
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moves.add(move);
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if (board.getDest(move) != null)
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break;
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} else
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break;
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}
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// Diagonal moves to the lower left
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for (int i = pos.x - 1, j = pos.y + 1; i >= 0 && j < 8; i--, j++) {
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Move move = new Move(pos, new Position(i, j));
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if (
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board.getDest(move) == null
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|| board.getDest(move).getColor() != getColor()
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) {
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moves.add(move);
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if (board.getDest(move) != null)
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break;
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} else
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break;
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}
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// Diagonal moves to the upper right
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for (int i = pos.x + 1, j = pos.y - 1; i < 8 && j >= 0; i++, j--) {
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Move move = new Move(pos, new Position(i, j));
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if (
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board.getDest(move) == null
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|| board.getDest(move).getColor() != getColor()
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) {
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moves.add(move);
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if (board.getDest(move) != null)
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break;
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} else
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break;
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}
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// Diagonal moves to the upper left
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for (int i = pos.x - 1, j = pos.y - 1; i >= 0 && j >= 0; i--, j--) {
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Move move = new Move(pos, new Position(i, j));
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if (
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board.getDest(move) == null
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|| board.getDest(move).getColor() != getColor()
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) {
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moves.add(move);
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if (board.getDest(move) != null)
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break;
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} else
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break;
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}
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return moves;
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}
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@Override
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public int getValue() { return 30; }
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}
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