cli: basic games over the command-line
This commit is contained in:
parent
2a4f46e5aa
commit
7d83efe953
180
Cargo.lock
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180
Cargo.lock
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@ -5,3 +5,5 @@ authors = ["dece <shgck@pistache.land>"]
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edition = "2018"
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[dependencies]
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clap = "2.33"
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rand = "0.7"
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@ -168,8 +168,9 @@ pub fn draw(board: &Board) {
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let piece = if is_color(s, SQ_WH) { piece.to_ascii_uppercase() } else { piece };
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rank.push(piece);
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}
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println!("{}", rank);
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println!("{} {}", r + 1, rank);
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}
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println!(" abcdefgh");
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}
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#[cfg(test)]
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66
src/cli.rs
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66
src/cli.rs
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//! Functions to play games over the command-line.
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use std::io::{self, Write};
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use rand::seq::IteratorRandom;
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use crate::board;
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use crate::rules;
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pub fn start_game(player_color: u8) {
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println!("Starting new game.");
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println!("Player is {}.", if player_color == board::SQ_WH { "white" } else { "black" });
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println!("");
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let ai_color = board::opposite(player_color);
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let mut rng = rand::thread_rng();
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let mut b = board::new();
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let mut turn = board::SQ_WH;
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loop {
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board::draw(&b);
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println!("");
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let m = if turn == player_color {
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println!("Player turn.");
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let legal_moves = rules::get_player_legal_moves(&b, player_color);
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let mut m;
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loop {
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m = get_player_move();
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if legal_moves.contains(&m) {
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break
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} else {
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println!("Illegal move.");
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}
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}
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m
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} else {
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println!("Computer turn.");
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let moves = rules::get_player_legal_moves(&b, ai_color);
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*moves.iter().choose(&mut rng).unwrap()
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};
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println!("Move: {:?}", m);
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board::apply_into(&mut b, &m);
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println!("");
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turn = board::opposite(turn);
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}
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}
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fn get_player_move() -> board::Move {
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loop {
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let from = if let Some(s) = get_input("From: ") { board::pos(&s) } else { continue };
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let to = if let Some(s) = get_input("To: ") { board::pos(&s) } else { continue };
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if board::is_valid_pos(from) && board::is_valid_pos(to) {
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return (from, to)
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}
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println!("Bad input.");
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}
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}
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fn get_input(message: &str) -> Option<String> {
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print!("{}", message);
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io::stdout().flush().unwrap();
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let mut input = String::new();
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if io::stdin().read_line(&mut input).is_err() {
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return None
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}
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Some(input)
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}
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2
src/game.rs
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2
src/game.rs
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//! Function to actually play games.
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38
src/main.rs
38
src/main.rs
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use std::process;
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use clap::{App, AppSettings, Arg, ArgMatches, SubCommand};
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pub mod board;
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pub mod cli;
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pub mod rules;
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fn main() {
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let b = board::new();
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board::draw(&b);
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let matches = App::new("Vatu")
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.setting(AppSettings::ArgRequiredElseHelp)
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.subcommand(SubCommand::with_name("cli")
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.about("Start a game in command-line")
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.arg(Arg::with_name("color")
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.help("Color for the player")
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.short("c").long("color").takes_value(true).required(false)
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.possible_values(&["w", "white", "b", "black"])))
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.get_matches();
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process::exit(match matches.subcommand() {
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("cli", Some(a)) => cmd_cli(a),
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_ => 0,
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})
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}
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fn cmd_cli(args: &ArgMatches) -> i32 {
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let color = if let Some(c) = args.value_of("color") {
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match c {
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s if ["w", "white"].contains(&s) => board::SQ_WH,
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s if ["b", "black"].contains(&s) => board::SQ_BL,
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_ => { eprintln!("Choose white or black as color."); return 1 }
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}
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} else if rand::random() {
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board::SQ_WH
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} else {
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board::SQ_BL
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};
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cli::start_game(color);
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0
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}
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use crate::board::*;
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/// Get a list of moves for all pieces of either white or black.
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/// Get a list of legal moves for all pieces of this color.
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pub fn get_player_legal_moves(board: &Board, color: u8) -> Vec<Move> {
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filter_illegal_moves(board, color, get_player_moves(board, color))
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}
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/// Get a list of moves for all pieces of this color.
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pub fn get_player_moves(board: &Board, color: u8) -> Vec<Move> {
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let mut moves = vec!();
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for r in 0..8 {
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