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| author | eug-vs <eugene@eug-vs.xyz> | 2023-08-19 21:16:26 +0300 |
|---|---|---|
| committer | eug-vs <eugene@eug-vs.xyz> | 2023-08-19 21:16:26 +0300 |
| commit | 9bf3c532018bb96792d60840b1c37cd9df94b927 (patch) | |
| tree | b357d0ca99b48e23a74a9a786f66467b4da84629 | |
| parent | a6fe0cf85e3664013f50bad0f77d3003c3c2700b (diff) | |
| download | chessnost-9bf3c532018bb96792d60840b1c37cd9df94b927.tar.gz | |
fix: do not toggle castling rights when not needed
| -rw-r--r-- | src/board/mod.rs | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/src/board/mod.rs b/src/board/mod.rs index 50aa1b9..39248eb 100644 --- a/src/board/mod.rs +++ b/src/board/mod.rs @@ -208,20 +208,33 @@ impl Board { let source_color = Color::from_piece(source_piece); match source_piece.without_color() { Piece::King => { - self.castling_rights[source_color as usize][CastlingSide::King as usize] = false; - self.castling_rights[source_color as usize][CastlingSide::Queen as usize] = false; - self.zobrist_toggle_castling_right(source_color, CastlingSide::King); - self.zobrist_toggle_castling_right(source_color, CastlingSide::Queen); + let king_side = &mut self.castling_rights[source_color as usize][CastlingSide::King as usize]; + if *king_side { + *king_side = false; + self.zobrist_toggle_castling_right(source_color, CastlingSide::King); + } + + let queen_side = &mut self.castling_rights[source_color as usize][CastlingSide::Queen as usize]; + if *queen_side { + *queen_side = false; + self.zobrist_toggle_castling_right(source_color, CastlingSide::Queen); + } }, Piece::Rook => { match mov.source.file() { 0 => { - self.castling_rights[source_color as usize][CastlingSide::Queen as usize] = false; - self.zobrist_toggle_castling_right(source_color, CastlingSide::Queen); + let queen_side = &mut self.castling_rights[source_color as usize][CastlingSide::Queen as usize]; + if *queen_side { + *queen_side = false; + self.zobrist_toggle_castling_right(source_color, CastlingSide::Queen); + } } 7 => { - self.castling_rights[source_color as usize][CastlingSide::King as usize] = false; - self.zobrist_toggle_castling_right(source_color, CastlingSide::King); + let king_side = &mut self.castling_rights[source_color as usize][CastlingSide::King as usize]; + if *king_side { + *king_side = false; + self.zobrist_toggle_castling_right(source_color, CastlingSide::King); + } } _ => {}, } |