diff options
Diffstat (limited to 'src/board/mod.rs')
| -rw-r--r-- | src/board/mod.rs | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/board/mod.rs b/src/board/mod.rs index 95d470a..50aa1b9 100644 --- a/src/board/mod.rs +++ b/src/board/mod.rs @@ -15,7 +15,7 @@ pub enum CastlingSide { /// Chess board is an main interface to the internal game state. /// Board defines rules of the game and manages players actions. -#[derive(Debug, Clone, Copy, PartialEq)] +#[derive(Debug, Clone, PartialEq)] pub struct Board { pub ply: u16, pub piece_sets: [Bitboard; 12], @@ -26,12 +26,16 @@ pub struct Board { pub clock: Clock, + /// List of all positions to determine repetitions + pub positions: Vec<u64>, + // Computed values pub occupancy: Bitboard, /// Zobrist hash of the current position pub hash: u64, zobrist_seed: ZobristSeed, + pub attacks: Attacks, } @@ -227,6 +231,7 @@ impl Board { self.ply += 1; self.zobrist_toggle_color(); + self.positions.push(self.hash); captured_piece } @@ -320,6 +325,7 @@ impl Board { self.castling_rights = previous_castling_rights; self.hash = previous_hash; self.ply -= 1; + self.positions.pop(); } pub fn is_square_attacked(&self, square: Square, attacker_color: Color) -> bool { @@ -388,7 +394,7 @@ mod tests { fn make_move() { let fen = String::from("q1b2k2/5p1p/4p1pb/pPPp4/3N4/3nPB2/P2QKnR1/1R6 w - - 0 25"); let mut board = Board::from_FEN(fen); - let initial_board = board; + let initial_board = board.clone(); board.print(); let black_move = Move { source: Square::F7, target: Square::F5, kind: MoveKind::Quiet }; @@ -429,7 +435,7 @@ mod tests { fn unmake_move() { let fen = String::from("q1b2k2/5p1p/4p1pb/pPPp4/3N4/3nPB2/P2QKnR1/1R6 w - - 0 25"); let mut board = Board::from_FEN(fen); - let initial_board = board; + let initial_board = board.clone(); let mov = Move { source: Square::D2, target: Square::A5, kind: MoveKind::Capture }; |