[MoveGenerator] Add MoveGenerator

MoveGenerator.hpp

@@ -0,0 +1,36 @@
+#ifndef CHESS_ENGINE_MOVEGENERATOR_HPP
+#define CHESS_ENGINE_MOVEGENERATOR_HPP
+
+#include "Piece.hpp"
+#include "Square.hpp"
+#include "Move.hpp"
+#include "CastlingRights.hpp"
+#include "BitBoard.hpp"
+
+#include <optional>
+#include <iosfwd>
+#include <vector>
+#include <memory>
+
+class MoveGenerator {
+public:
+    using MoveVec = std::vector<Move>;
+
+    MoveGenerator(const std::shared_ptr<BitBoard[]>& pieceBB, const std::shared_ptr<BitBoard>& occupiedBB);
+    MoveGenerator(MoveGenerator &) = delete;
+    MoveGenerator &operator=(MoveGenerator const &) = delete;
+
+    void generatePawnMoves(const Square &from, const std::optional<Square> &eps, PieceColor color, MoveVec &moves) const;
+    void generatePawnMoves(const Square &from, PieceColor color, MoveVec &moves);
+
+private:
+    const std::shared_ptr<const BitBoard[]> mPieceBBs;
+    const std::shared_ptr<const BitBoard> mOccupiedBB;
+
+    void generatePawnMoves(const Square &from, BitBoard targets, PieceColor color, MoveVec &moves) const;
+
+    static void generateMoves(const Square &from, BitBoard movesBB, MoveVec &moves);
+    static void generateMovesWithPromotion(const Square &from, BitBoard movesBB, MoveVec &moves);
+};
+
+#endif //CHESS_ENGINE_MOVEGENERATOR_HPP