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added getter method bitboard::board::fen

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This commit is contained in:
Varga Dávid Lajos
2025-11-27 23:05:01 +02:00
parent 5b6318442e
commit 2375f28ee3
2 changed files with 29 additions and 1 deletions
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29
engine/src/bitboard/board.rs
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@@ -1,3 +1,5 @@
use crate::bitboard::utils::notation_from_square_number;
use super::utils::try_get_square_number_from_notation;
pub struct Board {
@@ -169,6 +171,7 @@ impl Board {
if let Some(piece) = self.get_piece_character(sq) {
if empty > 0 {
fen.push_str(&empty.to_string());
empty = 0;
}
fen.push(piece);
} else {
@@ -178,8 +181,34 @@ impl Board {
}
}
}
if row > 0 {
fen.push('/');
}
}
fen.push(' ');
if self.side_to_move() == 0 { fen.push('w'); } else { fen.push('b'); }
fen.push(' ');
if self.castling_rights() == 0 {
fen.push('-');
} else {
if self.castling_rights() & (1 << 3) != 0 { fen.push('K'); }
if self.castling_rights() & (1 << 2) != 0 { fen.push('Q'); }
if self.castling_rights() & (1 << 1) != 0 { fen.push('k'); }
if self.castling_rights() & (1 << 0) != 0 { fen.push('q'); }
}
fen.push(' ');
if self.en_passant_square() == 0 {
fen.push('-');
} else {
let sq = self.en_passant_square().trailing_zeros();
fen.push_str(&notation_from_square_number(sq as u8));
}
fen.push_str(" 0 1");
return fen;
}