implementing memory optimazied move using uint16_t instead of a four integers and one byte

1 files changed, 4 insertions, 14 deletions

diff --git a/src/board/board.hpp b/src/board/board.hpp
index b27a9d1..b24811c 100644
--- a/src/board/board.hpp
+++ b/src/board/board.hpp
@@ -43,23 +43,13 @@ PieceType getPromotionTypeFromMove(uint16_t move);
 uint8_t getFromValueFromMove(uint16_t move);
 uint8_t getToValueFromMove(uint16_t move);
 
-struct Move {
-  Position From;
-  Position To;
-
-  PieceType promotion = NONEPIECE;
-  bool operator==(const Move &other) const {
-    return From == other.From && To == other.To && promotion == other.promotion;
-  }
-};
-
 enum Flag : std::uint8_t { EXACT, LOWERBOUND, UPPERBOUND };
 
 struct TranspositionsEntry {
   int depth = -1;
   int Eval = 0;
   Flag flag = EXACT;
-  Move bestMove = {};
+  uint16_t bestMove = {};
 };
 struct Game {
   Piece pieces[64];
@@ -85,8 +75,8 @@ struct UndoMove {
   Piece movedPiece;
   Piece capturedPiece;
 
-  Position from;
-  Position to;
+  uint8_t from;
+  uint8_t to;
 
   bool wasEnPassantCapture = false;
   Position enPassantCapturedSquare;
@@ -112,7 +102,7 @@ struct UndoMove {
 };
 
 int PositionToIndex(Position i);
-UndoMove MakeMove(Move move, Game *g);
+UndoMove MakeMove(uint16_t move, Game *g);
 void UnMakeMove(UndoMove undo, Game *g);
 
 Position FindKing(Game *g, bool color);