Remove pointers, add BoardState

BoardState.hpp

@@ -0,0 +1,29 @@
+#ifndef CHESS_ENGINE_BOARDSTATE_HPP
+#define CHESS_ENGINE_BOARDSTATE_HPP
+
+#include "Piece.hpp"
+#include "BitBoard.hpp"
+#include "Board.hpp"
+
+struct BoardState {
+    BoardState(const BitBoard (*const pieceBBs)[8],
+               const BitBoard occupiedBB,
+               const PieceColor turn,
+               const CastlingRights cr,
+               const std::optional<Square> eps)
+            : pieceBBs(pieceBBs),
+              occupiedBB(occupiedBB),
+              turn(turn),
+              cr(cr),
+              eps(eps) {
+
+    }
+
+    const BitBoard (*const pieceBBs)[8];
+    const BitBoard occupiedBB;
+    const PieceColor turn;
+    const CastlingRights cr;
+    const std::optional<Square> eps;
+};
+
+#endif //CHESS_ENGINE_BOARDSTATE_HPP