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cli: basic games over the command-line

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dece 2020-06-01 00:43:05 +02:00
parent 2a4f46e5aa
commit 7d83efe953
7 changed files with 294 additions and 4 deletions
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180
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2
Cargo.toml
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@ -5,3 +5,5 @@ authors = ["dece <shgck@pistache.land>"]
edition = "2018" edition = "2018"
[dependencies] [dependencies]
clap = "2.33"
rand = "0.7"

3
src/board.rs
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@ -168,8 +168,9 @@ pub fn draw(board: &Board) {
let piece = if is_color(s, SQ_WH) { piece.to_ascii_uppercase() } else { piece }; let piece = if is_color(s, SQ_WH) { piece.to_ascii_uppercase() } else { piece };
rank.push(piece); rank.push(piece);
} }
println!("{}", rank); println!("{} {}", r + 1, rank);
} }
println!(" abcdefgh");
} }
#[cfg(test)] #[cfg(test)]

66
src/cli.rs Normal file
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@ -0,0 +1,66 @@
//! Functions to play games over the command-line.
use std::io::{self, Write};
use rand::seq::IteratorRandom;
use crate::board;
use crate::rules;
pub fn start_game(player_color: u8) {
println!("Starting new game.");
println!("Player is {}.", if player_color == board::SQ_WH { "white" } else { "black" });
println!("");
let ai_color = board::opposite(player_color);
let mut rng = rand::thread_rng();
let mut b = board::new();
let mut turn = board::SQ_WH;
loop {
board::draw(&b);
println!("");
let m = if turn == player_color {
println!("Player turn.");
let legal_moves = rules::get_player_legal_moves(&b, player_color);
let mut m;
loop {
m = get_player_move();
if legal_moves.contains(&m) {
break
} else {
println!("Illegal move.");
}
}
m
} else {
println!("Computer turn.");
let moves = rules::get_player_legal_moves(&b, ai_color);
*moves.iter().choose(&mut rng).unwrap()
};
println!("Move: {:?}", m);
board::apply_into(&mut b, &m);
println!("");
turn = board::opposite(turn);
}
}
fn get_player_move() -> board::Move {
loop {
let from = if let Some(s) = get_input("From: ") { board::pos(&s) } else { continue };
let to = if let Some(s) = get_input("To: ") { board::pos(&s) } else { continue };
if board::is_valid_pos(from) && board::is_valid_pos(to) {
return (from, to)
}
println!("Bad input.");
}
}
fn get_input(message: &str) -> Option<String> {
print!("{}", message);
io::stdout().flush().unwrap();
let mut input = String::new();
if io::stdin().read_line(&mut input).is_err() {
return None
}
Some(input)
}

2
src/game.rs Normal file
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@ -0,0 +1,2 @@
//! Function to actually play games.

38
src/main.rs
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@ -1,7 +1,41 @@
use std::process;
use clap::{App, AppSettings, Arg, ArgMatches, SubCommand};
pub mod board; pub mod board;
pub mod cli;
pub mod rules; pub mod rules;
fn main() { fn main() {
let b = board::new(); let matches = App::new("Vatu")
board::draw(&b); .setting(AppSettings::ArgRequiredElseHelp)
.subcommand(SubCommand::with_name("cli")
.about("Start a game in command-line")
.arg(Arg::with_name("color")
.help("Color for the player")
.short("c").long("color").takes_value(true).required(false)
.possible_values(&["w", "white", "b", "black"])))
.get_matches();
process::exit(match matches.subcommand() {
("cli", Some(a)) => cmd_cli(a),
_ => 0,
})
}
fn cmd_cli(args: &ArgMatches) -> i32 {
let color = if let Some(c) = args.value_of("color") {
match c {
s if ["w", "white"].contains(&s) => board::SQ_WH,
s if ["b", "black"].contains(&s) => board::SQ_BL,
_ => { eprintln!("Choose white or black as color."); return 1 }
}
} else if rand::random() {
board::SQ_WH
} else {
board::SQ_BL
};
cli::start_game(color);
0
} }

7
src/rules.rs
View file

@ -2,7 +2,12 @@
use crate::board::*; use crate::board::*;
/// Get a list of moves for all pieces of either white or black. /// Get a list of legal moves for all pieces of this color.
pub fn get_player_legal_moves(board: &Board, color: u8) -> Vec<Move> {
filter_illegal_moves(board, color, get_player_moves(board, color))
}
/// Get a list of moves for all pieces of this color.
pub fn get_player_moves(board: &Board, color: u8) -> Vec<Move> { pub fn get_player_moves(board: &Board, color: u8) -> Vec<Move> {
let mut moves = vec!(); let mut moves = vec!();
for r in 0..8 { for r in 0..8 {