Rook rules

OOP_2B1_Project/src/backend/Rook.java

@@ -0,0 +1,44 @@
+package backend;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Rook extends Piece {
+    public Rook(boolean isWhite, int x, int y) {
+        super(isWhite, PieceType.Rook, x, y);
+    }
+
+    @Override
+    public PieceType getType() {
+        return PieceType.Rook;
+    }
+
+    @Override
+    public List<Move> getLegalMoves(Board board, int row, int col) {
+        List<Move> moves = new ArrayList<>();
+        int[][] directions = {{1, 0}, {-1, 0}, {0, 1}, {0, -1}};
+
+        for (int[] dir : directions) {
+            int r = row + dir[0], c = col + dir[1];
+            while (board.isInBounds(r, c)) {
+                Piece target = board.getPieceAt(r, c);
+                if (target == null) {
+                    moves.add(new Move(this, row, col, r, c));
+                } else {
+                    if (target.isWhite() != this.isWhite)
+                        moves.add(new Move(this, row, col, r, c));
+                    break;
+                }
+                r += dir[0];
+                c += dir[1];
+            }
+        }
+
+        return moves;
+    }
+
+    @Override
+    public Piece clone() {
+        return new Rook(this.isWhite, this.x, this.y);
+    }
+}