1 files changed, 15 insertions, 5 deletions
diff --git a/src/board.hpp b/src/board.hpp
index 4f04783..2e8cb82 100644
--- a/src/board.hpp
+++ b/src/board.hpp
@@ -2,7 +2,6 @@
 #define SRC_BOARD_H_
 
 #include <cstdint>
-#include <string>
 #include <unordered_map>
 
 enum PieceType {
@@ -26,7 +25,6 @@ enum GameState {
 struct Piece {
   bool color = 0;
   PieceType type = NONEPIECE;
-  bool moved = false;
 };
 
 struct Position {
@@ -42,7 +40,10 @@ struct TranspositionsEntry {
 struct Game {
   Piece pieces[64];
   bool turn = 1; // 1 white; 0 black
-  std::string castle = "";
+  bool whiteCastleKing = false;
+  bool whiteCastleQueen = false;
+  bool blackCastleKing = false;
+  bool blackCastleQueen = false;
   uint8_t halfMoveClock = 0;
   uint16_t MoveClock = 0;
   Position enPassant;
@@ -75,13 +76,22 @@ struct UndoMove {
   bool oldTurn;
   bool oldCanEnpassant;
   Position oldEnPassant;
-  std::string oldCaslte;
+
+  bool OldwhiteCastleKing;
+  bool OldwhiteCastleQueen;
+  bool OldblackCastleKing;
+  bool OldblackCastleQueen;
+
   int oldHalfMoveClock;
   int oldMoveClock;
   uint64_t zobristKey;
   GameState oldState;
+
+  // castling
+  bool wasCastle = false;
+  bool CastledSide = false; // 0 for queen side, 1 for king side
 };
-Piece createPiece(PieceType type, bool color, bool moved = false);
+Piece createPiece(PieceType type, bool color);
 
 int PositionToIndex(Position i);
 UndoMove MakeMove(Move move, Game *g);