nove.dev
cleanroom implementation of a chess engine. doesn't work :)
add tests for castling
+46
-15
+46
-15
src/lib.rs
+46
-15
src/lib.rs
···
95
95
} else {
96
96
&mut self.black
97
97
};
98
+
let nonmover = if self.white_to_move {
99
+
&mut self.black
100
+
} else {
101
+
&mut self.white
102
+
};
98
103
99
104
if algebra == "O-O" || algebra == "0-0" {
100
105
mover
···
118
123
.find(|lp| lp.piece == Piece::Rook && lp.file == 0)
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124
.unwrap()
120
125
.file = 3;
121
-
}
126
+
} else {
127
+
let first_char = algebra.chars().next().unwrap();
128
+
let piece = if first_char.is_ascii_uppercase() {
129
+
match first_char {
130
+
'R' => Piece::Rook,
131
+
'N' => Piece::Knight,
132
+
'B' => Piece::Bishop,
133
+
'K' => Piece::King,
134
+
'Q' => Piece::Queen,
135
+
_ => unreachable!(),
136
+
}
137
+
} else {
138
+
Piece::Pawn
139
+
};
122
140
123
-
let first_char = algebra.chars().next().unwrap();
124
-
let piece = if first_char.is_ascii_uppercase() {
125
-
match first_char {
126
-
'R' => Piece::Rook,
127
-
'N' => Piece::Knight,
128
-
'B' => Piece::Bishop,
129
-
'K' => Piece::King,
130
-
'Q' => Piece::Queen,
131
-
_ => unreachable!(),
141
+
if (piece == Piece::Pawn) {
142
+
let file = first_char as usize;
143
+
let rank = algebra.chars().nth(1).unwrap() as usize - 'a' as usize;
144
+
if algebra.len() == 2 {
145
+
nonmover.retain(|lp| lp.rank != rank && lp.file != file);
146
+
mover
147
+
.iter_mut()
148
+
.find(|lp| {
149
+
lp.file == file
150
+
&& lp.piece == Piece::Pawn
151
+
&& self.valid_moves(lp).includes((rank, file))
152
+
})
153
+
.unwrap()
154
+
.rank = rank;
155
+
}
132
156
}
133
-
} else {
134
-
Piece::Pawn
135
-
};
136
157
137
-
let destination_square = todo!();
138
-
todo!()
158
+
let destination_square = todo!();
159
+
todo!()
160
+
}
139
161
}
162
+
}
163
+
164
+
#[derive(Clone, Copy, PartialEq, Eq)]
165
+
enum MoveSegment {
166
+
Piece(Piece),
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+
Rank(usize),
168
+
File(usize),
169
+
Captures,
170
+
Promotion(Piece),
140
171
}
141
172
142
173
#[cfg(test)]