Knight rules

OOP_2B1_Project/src/backend/Knight.java

@@ -0,0 +1,41 @@
+package backend;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Knight extends Piece {
+    public Knight(boolean isWhite, int x, int y) {
+        super(isWhite, PieceType.Knight, x, y);
+    }
+
+    @Override
+    public PieceType getType() {
+        return PieceType.Knight;
+    }
+
+    @Override
+    public List<Move> getLegalMoves(Board board, int row, int col) {
+        List<Move> moves = new ArrayList<>();
+        int[][] offsets = {
+            {-2, -1}, {-2, 1}, {-1, -2}, {-1, 2},
+            {1, -2}, {1, 2}, {2, -1}, {2, 1}
+        };
+
+        for (int[] offset : offsets) {
+            int r = row + offset[0];
+            int c = col + offset[1];
+            if (board.isInBounds(r, c)) {
+                Piece p = board.getPieceAt(r, c);
+                if (p == null || p.isWhite() != this.isWhite)
+                    moves.add(new Move(this, row, col, r, c));
+            }
+        }
+
+        return moves;
+    }
+
+    @Override
+    public Piece clone() {
+        return new Knight(this.isWhite, this.x, this.y);
+    }
+}