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|
use std::{f32::INFINITY, time::{Duration, Instant}};
use std::env;
use chessnost::board::{Board, Color};
fn opponent_move(board: &mut Board) {
let mov = match board.read_move() {
Ok(m) => m,
Err(e) => {
println!("Error: {}", e);
return opponent_move(board);
}
};
print!("{:?}", mov);
board.make_move(mov);
board.print();
}
fn computer_move(board: &mut Board, time_left: &mut Duration) {
let allowed_move_duration = *time_left / 20;
let max_depth = 6 + (board.ply as i32 / 15) as u8;
println!("~{:?} left, allocating {:?} for a move", time_left, allowed_move_duration);
let move_start = Instant::now();
let (score, pv) = board.iterative_deepening(max_depth, allowed_move_duration);
let elapsed = move_start.elapsed();
if *time_left >= elapsed {
*time_left -= elapsed;
} else {
println!("You are probably out of time. I will keep going anyway...");
}
println!("Finished in {:?}: score={:?}", elapsed, score);
let mov = pv[0];
println!("{:?}", mov);
board.make_move(mov);
board.print();
}
fn main() {
let args: Vec<String> = env::args().collect();
assert!(args.len() >= 4, "Provide all arguments [COLOR] [TIME_MINUTES] [INCREMENT_SECONDS]");
let color = match args[1].as_str() {
"w" => Color::White,
"b" => Color::Black,
_ => panic!("Please provide a color [w|b]")
};
let mut time_left = Duration::from_secs(60 * match args[2].parse() {
Ok(x) => x,
Err(..) => 15
});
let increment = Duration::from_secs(match args[3].parse() {
Ok(x) => x,
Err(..) => 10
});
let manual_decrement = Duration::from_secs(7); // Time to sync moves with the game
let mut board = if args.len() == 5 {
Board::from_FEN(args[4].to_string())
} else {
Board::new()
};
board.print();
loop {
time_left += increment;
time_left -= manual_decrement;
match color {
Color::White => {
computer_move(&mut board, &mut time_left);
opponent_move(&mut board);
}
Color::Black => {
opponent_move(&mut board);
computer_move(&mut board, &mut time_left);
}
}
}
}
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