42 lines
1.3 KiB
Java
42 lines
1.3 KiB
Java
import java.util.*;
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import javax.swing.ImageIcon;
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public class Pawn extends Piece {
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boolean hasMoved;
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int colorDir;
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public Pawn(int x, int y, String color) {
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super(x, y, color, new ImageIcon("sprites/" + color + "/pawn.png").getImage());
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hasMoved = false;
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colorDir = color.equals("White") ? -1 : 1;
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}
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public ArrayList<Position> getLegalMoves(Board board) {
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ArrayList<Position> positions = new ArrayList<Position>();
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// diagonal moves (captures)
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Position test = new Position(pos.x + 1, pos.y + colorDir);
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if (Board.inBounds(test) && !board.isOpen(test) && !board.getPiece(test).colorMatches(this)) {
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positions.add(test);
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}
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test = new Position(pos.x - 1, pos.y + colorDir);
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if (Board.inBounds(test) && !board.isOpen(test) && !board.getPiece(test).colorMatches(this)) {
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positions.add(test);
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}
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// one square in front: if blocked return early
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test = new Position(pos.x, pos.y + colorDir);
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if (Board.inBounds(test) && board.isOpen(test)) {
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positions.add(test);
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} else return positions;
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// two squares in front
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test = new Position(pos.x, pos.y + 2 * colorDir);
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if (!hasMoved && board.isOpen(test)) {
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positions.add(test);
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}
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return positions;
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}
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}
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