67 lines
2.1 KiB
Java
67 lines
2.1 KiB
Java
package uebung09.chess;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import uebung09.iterator.Array2dIterator;
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public class Board implements Iterable<Piece>{
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private final Piece[][] field = new Piece[8][8];
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private final List<Piece> pieces = new ArrayList<>();
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void add(Piece piece) {
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if (piece.getBoard() != this)
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throw new IllegalArgumentException("wrong board");
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final Piece existing = pieceAt(piece.getRow(), piece.getCol());
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if (existing != null)
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throw new IllegalArgumentException("already occupied by " + existing);
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field[piece.getRow() - 1][piece.getCol() - 1] = piece;
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pieces.add(piece);
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}
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public void printBoard() {
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System.out.println(" 1 2 3 4 5 6 7 8");
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System.out.println(" +---+---+---+---+---+---+---+---+");
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for (int row = 1; row <= 8; row++) {
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System.out.print("" + row + " ");
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for (int col = 1; col <= 8; col++) {
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final Piece p = pieceAt(row, col);
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final char c = p == null ? ' ' : p.charRep();
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System.out.print("| " + c + " ");
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}
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System.out.println("|");
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System.out.println(" +---+---+---+---+---+---+---+---+");
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}
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}
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public Piece pieceAt(int row, int col) {
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return field[row - 1][col - 1];
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}
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public void check() {
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for (Piece p1 : pieces) {
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System.out.println(p1.toString());
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for (Piece p2 : pieces)
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if (p1 != p2)
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if (p1.canCapture(p2))
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System.out.println(" can capture " + p2.toString());
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else
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System.out.println(" cannot capture " + p2.toString());
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}
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}
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public String toString() {
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return pieces.toString();
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}
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@Override
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public Iterator<Piece> iterator() {
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// TODO Auto-generated method stub
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return new Array2dIterator<>(null);
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//throw new UnsupportedOperationException("Unimplemented method 'iterator'");
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}
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}
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