inkwell/src/eval.rs

use chess::{Board, ChessMove, Color, MoveGen, Piece};

pub fn eval_board(board: Board, playing_as: Color, curr_depth: u8) -> i128 {
    let mut current_eval: i128 = 0;

    let moves_iter = MoveGen::new_legal(&board).into_iter();

    moves_iter.for_each(|mov| {
        let tmp_board = board.make_move_new(mov);
        current_eval += tmp_board.color_combined(playing_as).count() as i128;
        current_eval -= tmp_board.color_combined(!playing_as).count() as i128;
        eprintln!("{}", current_eval);
        if curr_depth != 0 {
            eprintln!("{}", curr_depth);
            current_eval += eval_board(tmp_board, playing_as, curr_depth - 1)
        }
    });

    return current_eval;
}