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implemented api function get_available_moves

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Varga Dávid Lajos
2025-11-21 22:56:02 +02:00
parent a63954fbfe
commit 068f5248cd
5 changed files with 108 additions and 9 deletions
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4
engine/src/bitboard.rs
View File

@@ -3,8 +3,8 @@ mod utils;
mod legality;
mod checkinfo;
mod attacks;
mod movebuffer;
mod movegen;
pub mod board;
pub(in super) mod bitmove;
pub(in super) mod bitmove;
pub(in super) mod movebuffer;

2
engine/src/boardsquare.rs
View File

@@ -1,6 +1,6 @@
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize)]
#[derive(Serialize, Deserialize, Debug)]
pub struct BoardSquare {
pub x: usize,
pub y: usize,

4
engine/src/chessmove.rs
View File

@@ -4,7 +4,7 @@ use super::boardsquare::BoardSquare;
use super::piecetype::PieceType;
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize)]
#[derive(Serialize, Deserialize, Debug)]
/*pub struct ChessMove {
pub move_type: MoveType,
pub piece_type: PieceType,
@@ -94,7 +94,7 @@ impl ChessMove {
};
}
pub(in super) fn from_bitmove(bitmove: &BitMove, board: Board) -> Self {
pub(in super) fn from_bitmove(bitmove: &BitMove, board: &Board) -> Self {
match bitmove.move_type() {
BitMoveType::Quiet => {
let from_square_index = bitmove.from_square();

105
engine/src/lib.rs
View File

@@ -7,10 +7,23 @@ pub mod gameend;
use chessmove::ChessMove;
use gameend::GameEnd;
use bitboard::board::Board;
use bitboard::movebuffer::MoveBuffer;
pub fn get_available_moves(fen: &str) -> Vec<ChessMove> {
println!("get_available_moves answered");
return vec![];
let mut board = Board::build(fen);
let mut buffer = MoveBuffer::new();
let mut temp_buffer = MoveBuffer::new();
let mut generated_moves: Vec<ChessMove> = vec![];
board.collect_moves(&mut buffer, &mut temp_buffer);
for idx in 0..buffer.count() {
generated_moves.push(ChessMove::from_bitmove(buffer.get(idx), &board));
}
println!("get_available_moves resulted in {} moves", generated_moves.len());
return generated_moves;
}
pub fn is_game_over(fen: &str) -> Option<GameEnd> {
@@ -25,6 +38,9 @@ pub fn get_board_after_move(fen: &str, chess_move: &ChessMove) -> String {
#[cfg(test)]
mod tests {
use crate::boardsquare::BoardSquare;
use crate::piecetype::PieceType::*;
use super::*;
impl PartialEq for ChessMove {
@@ -61,5 +77,88 @@ mod tests {
}
}
#[test]
fn get_available_moves_test() {
let boards: [&str; 2] = [
"rnbqkbnr/pppppppp/8/1B6/4P3/5P1N/PPPP2PP/RNBQK2R w KQkq e6 0 1",
"6Bn/B2Pk3/8/p1r3NK/3p4/b6P/3p2n1/2R5 w - - 0 1"
];
let mut expected_moves: Vec<Vec<ChessMove>> = vec![
vec![
ChessMove::capture(WhiteBishop, BoardSquare::from_coord(1, 4), BoardSquare::from_coord(3, 6), BlackPawn, None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(0, 1), BoardSquare::from_coord(0, 2), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(0, 1), BoardSquare::from_coord(0, 3), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(1, 1), BoardSquare::from_coord(1, 2), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(1, 1), BoardSquare::from_coord(1, 3), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(2, 1), BoardSquare::from_coord(2, 2), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(2, 1), BoardSquare::from_coord(2, 3), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(3, 1), BoardSquare::from_coord(3, 2), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(3, 1), BoardSquare::from_coord(3, 3), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(4, 3), BoardSquare::from_coord(4, 4), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(5, 2), BoardSquare::from_coord(5, 3), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(6, 1), BoardSquare::from_coord(6, 2), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(6, 1), BoardSquare::from_coord(6, 3), None),
ChessMove::quiet(WhiteKnight, BoardSquare::from_coord(1, 0), BoardSquare::from_coord(0, 2), None),
ChessMove::quiet(WhiteKnight, BoardSquare::from_coord(1, 0), BoardSquare::from_coord(2, 2), None),
ChessMove::quiet(WhiteKnight, BoardSquare::from_coord(7, 2), BoardSquare::from_coord(6, 0), None),
ChessMove::quiet(WhiteKnight, BoardSquare::from_coord(7, 2), BoardSquare::from_coord(5, 1), None),
ChessMove::quiet(WhiteKnight, BoardSquare::from_coord(7, 2), BoardSquare::from_coord(5, 3), None),
ChessMove::quiet(WhiteKnight, BoardSquare::from_coord(7, 2), BoardSquare::from_coord(6, 4), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(1, 4), BoardSquare::from_coord(5, 0), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(1, 4), BoardSquare::from_coord(4, 1), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(1, 4), BoardSquare::from_coord(3, 2), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(1, 4), BoardSquare::from_coord(2, 3), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(1, 4), BoardSquare::from_coord(0, 3), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(1, 4), BoardSquare::from_coord(0, 5), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(1, 4), BoardSquare::from_coord(2, 5), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(7, 0), BoardSquare::from_coord(6, 0), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(7, 0), BoardSquare::from_coord(5, 0), None),
ChessMove::quiet(WhiteQueen, BoardSquare::from_coord(3, 0), BoardSquare::from_coord(4, 1), None),
ChessMove::quiet(WhiteKing, BoardSquare::from_coord(4, 0), BoardSquare::from_coord(4, 1), None),
ChessMove::quiet(WhiteKing, BoardSquare::from_coord(4, 0), BoardSquare::from_coord(5, 1), None),
ChessMove::quiet(WhiteKing, BoardSquare::from_coord(4, 0), BoardSquare::from_coord(5, 0), None),
ChessMove::castle(WhiteKing, BoardSquare::from_coord(4, 0), BoardSquare::from_coord(6, 0), WhiteRook, BoardSquare::from_coord(7, 0), BoardSquare::from_coord(5, 0))
],
vec![
ChessMove::capture(WhiteBishop, BoardSquare::from_coord(0, 6), BoardSquare::from_coord(2, 4), BlackRook, None),
ChessMove::capture(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(2, 4), BlackRook, None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(7, 2), BoardSquare::from_coord(7, 3), None),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(3, 6), BoardSquare::from_coord(3, 7), Some(WhiteQueen)),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(3, 6), BoardSquare::from_coord(3, 7), Some(WhiteRook)),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(3, 6), BoardSquare::from_coord(3, 7), Some(WhiteBishop)),
ChessMove::quiet(WhitePawn, BoardSquare::from_coord(3, 6), BoardSquare::from_coord(3, 7), Some(WhiteKnight)),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(0, 6), BoardSquare::from_coord(1, 5), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(0, 6), BoardSquare::from_coord(1, 7), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(6, 7), BoardSquare::from_coord(7, 6), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(6, 7), BoardSquare::from_coord(5, 6), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(6, 7), BoardSquare::from_coord(4, 5), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(6, 7), BoardSquare::from_coord(3, 4), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(6, 7), BoardSquare::from_coord(2, 3), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(6, 7), BoardSquare::from_coord(1, 2), None),
ChessMove::quiet(WhiteBishop, BoardSquare::from_coord(6, 7), BoardSquare::from_coord(0, 1), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(0, 0), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(1, 0), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(3, 0), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(4, 0), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(5, 0), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(6, 0), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(7, 0), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(2, 1), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(2, 2), None),
ChessMove::quiet(WhiteRook, BoardSquare::from_coord(2, 0), BoardSquare::from_coord(2, 3), None),
ChessMove::quiet(WhiteKing, BoardSquare::from_coord(7, 4), BoardSquare::from_coord(6, 3), None),
ChessMove::quiet(WhiteKing, BoardSquare::from_coord(7, 4), BoardSquare::from_coord(7, 5), None)
]
];
for case in 0..2 {
let mut generated_moves = get_available_moves(boards[case]);
generated_moves.sort();
expected_moves[case].sort();
assert_eq!(generated_moves.len(), expected_moves[case].len());
assert_eq!(generated_moves, expected_moves[case]);
}
}
}

2
engine/src/piecetype.rs
View File

@@ -1,6 +1,6 @@
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize)]
#[derive(Serialize, Deserialize, Debug)]
pub enum PieceType {
WhitePawn,
WhiteKnight,