refactor: move to main.rs file and add prelude

Cargo.toml

@@ -4,8 +4,6 @@ version = "0.1.0"
 edition = "2021"
 license = "GPL-3.0-or-later"
 
-default-run = "engine"
-
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]

src/bin/movegen_tool.rs

@@ -1,15 +0,0 @@
-//! Generates moves from the FEN in the argv.
-
-use chess_inator::fen::FromFen;
-use chess_inator::movegen::MoveGen;
-use chess_inator::Board;
-use std::env;
-
-fn main() {
-    let fen = env::args().nth(1).unwrap();
-    let mut board = Board::from_fen(&fen).unwrap();
-    let mvs = board.gen_moves();
-    for mv in mvs.into_iter() {
-        println!("{mv:?}")
-    }
-}

src/bin/perft_tool.rs

@@ -1,14 +0,0 @@
-//! Runs perft at depth for a given FEN.
-
-use chess_inator::fen::FromFen;
-use chess_inator::movegen::perft;
-use chess_inator::Board;
-use std::env;
-
-fn main() {
-    let depth = env::args().nth(1).unwrap().parse::<usize>().unwrap();
-    let fen = env::args().nth(2).unwrap();
-    let mut board = Board::from_fen(&fen).unwrap();
-    let res = perft(depth, &mut board);
-    println!("{res}")
-}

src/lib.rs

@@ -24,13 +24,15 @@ pub mod movegen;
 pub mod random;
 pub mod search;
 
+pub mod prelude;
+
 use crate::fen::{FromFen, ToFen, START_POSITION};
 use crate::hash::Zobrist;
 use eval::eval_score::EvalScores;
 
-const BOARD_WIDTH: usize = 8;
+pub const BOARD_WIDTH: usize = 8;
-const BOARD_HEIGHT: usize = 8;
+pub const BOARD_HEIGHT: usize = 8;
-const N_SQUARES: usize = BOARD_WIDTH * BOARD_HEIGHT;
+pub const N_SQUARES: usize = BOARD_WIDTH * BOARD_HEIGHT;
 
 #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
 pub enum Color {
@@ -38,7 +40,7 @@ pub enum Color {
     White = 0,
     Black = 1,
 }
-const N_COLORS: usize = 2;
+pub const N_COLORS: usize = 2;
 
 impl Color {
     /// Return opposite color (does not assign).
@@ -74,7 +76,7 @@ enum Piece {
     Queen,
     Pawn,
 }
-const N_PIECES: usize = 6;
+pub const N_PIECES: usize = 6;
 
 pub struct PieceErr;
 

src/main.rs

@@ -12,11 +12,7 @@ Copyright © 2024 dogeystamp <dogeystamp@disroot.org>
 
 //! Main UCI engine binary.
 
-use chess_inator::eval::eval_metrics;
+use chess_inator::prelude::*;
-use chess_inator::fen::FromFen;
-use chess_inator::movegen::{FromUCIAlgebraic, Move, ToUCIAlgebraic};
-use chess_inator::search::{best_line, InterfaceMsg, SearchEval, TranspositionTable};
-use chess_inator::{Board, Color};
 use std::cmp::min;
 use std::io;
 use std::sync::mpsc::channel;

src/prelude.rs

@@ -0,0 +1,20 @@
+/*
+
+This file is part of chess_inator.
+
+chess_inator is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
+
+chess_inator is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with chess_inator. If not, see https://www.gnu.org/licenses/.
+
+Copyright © 2024 dogeystamp <dogeystamp@disroot.org>
+*/
+
+//! Prelude that you can import entirely to use the library conveniently.
+
+pub use crate::eval::{eval_metrics, EvalMetrics};
+pub use crate::fen::{FromFen, ToFen};
+pub use crate::movegen::{FromUCIAlgebraic, Move, MoveGen, ToUCIAlgebraic};
+pub use crate::search::{best_line, best_move, InterfaceMsg, SearchEval, TranspositionTable};
+pub use crate::{Board, Color, BOARD_HEIGHT, BOARD_WIDTH, N_COLORS, N_PIECES, N_SQUARES};