hanabi.rs/src/main.rs
2023-01-19 20:59:20 -05:00

298 lines
8.6 KiB
Rust

extern crate getopts;
#[macro_use]
extern crate log;
extern crate crossbeam;
extern crate float_ord;
extern crate fnv;
extern crate rand;
mod game;
mod helpers;
mod simulator;
mod strategy;
mod strategies {
pub mod cheating;
pub mod examples;
mod hat_helpers;
pub mod information;
}
use getopts::Options;
use std::str::FromStr;
struct SimpleLogger;
impl log::Log for SimpleLogger {
fn enabled(&self, metadata: &log::LogMetadata) -> bool {
metadata.level() <= log::LogLevel::Trace
}
fn log(&self, record: &log::LogRecord) {
if self.enabled(record.metadata()) {
println!("{} - {}", record.level(), record.args());
}
}
}
fn print_usage(program: &str, opts: Options) {
print!("{}", opts.usage(&format!("Usage: {} [options]", program)));
}
fn main() {
let args: Vec<String> = std::env::args().collect();
let program = args[0].clone();
let mut opts = Options::new();
opts.optopt(
"l",
"loglevel",
"Log level, one of 'trace', 'debug', 'info', 'warn', and 'error'",
"LOGLEVEL",
);
opts.optopt(
"n",
"ntrials",
"Number of games to simulate (default 1)",
"NTRIALS",
);
opts.optopt(
"o",
"output",
"Number of games after which to print an update",
"OUTPUT_FREQ",
);
opts.optopt(
"t",
"nthreads",
"Number of threads to use for simulation (default 1)",
"NTHREADS",
);
opts.optopt("s", "seed", "Seed for PRNG (default random)", "SEED");
opts.optopt("p", "nplayers", "Number of players", "NPLAYERS");
opts.optopt(
"g",
"strategy",
"Which strategy to use. One of 'random', 'cheat', and 'info'",
"STRATEGY",
);
opts.optflag("h", "help", "Print this help menu");
opts.optflag(
"",
"results-table",
"Print a table of results for each strategy",
);
opts.optflag(
"",
"write-results-table",
"Update the results table in README.md",
);
let matches = match opts.parse(&args[1..]) {
Ok(m) => m,
Err(f) => {
print_usage(&program, opts);
panic!("{}", f)
}
};
if matches.opt_present("h") {
return print_usage(&program, opts);
}
if !matches.free.is_empty() {
return print_usage(&program, opts);
}
if matches.opt_present("write-results-table") {
return write_results_table();
}
if matches.opt_present("results-table") {
return print!("{}", get_results_table());
}
let l_opt = matches.opt_str("l");
let log_level_str = l_opt.as_deref().unwrap_or("info");
let log_level = match log_level_str {
"trace" => log::LogLevelFilter::Trace,
"debug" => log::LogLevelFilter::Debug,
"info" => log::LogLevelFilter::Info,
"warn" => log::LogLevelFilter::Warn,
"error" => log::LogLevelFilter::Error,
_ => {
print_usage(&program, opts);
panic!("Unexpected log level argument {}", log_level_str);
}
};
log::set_logger(|max_log_level| {
max_log_level.set(log_level);
Box::new(SimpleLogger)
})
.unwrap();
let n_trials = u32::from_str(matches.opt_str("n").as_deref().unwrap_or("1")).unwrap();
let seed = matches
.opt_str("s")
.map(|seed_str| u32::from_str(&seed_str).unwrap());
let progress_info = matches
.opt_str("o")
.map(|freq_str| u32::from_str(&freq_str).unwrap());
let n_threads = u32::from_str(matches.opt_str("t").as_deref().unwrap_or("1")).unwrap();
let n_players = u32::from_str(matches.opt_str("p").as_deref().unwrap_or("4")).unwrap();
let g_opt = matches.opt_str("g");
let strategy_str: &str = g_opt.as_deref().unwrap_or("cheat");
sim_games(
n_players,
strategy_str,
seed,
n_trials,
n_threads,
progress_info,
)
.info();
}
fn sim_games(
n_players: u32,
strategy_str: &str,
seed: Option<u32>,
n_trials: u32,
n_threads: u32,
progress_info: Option<u32>,
) -> simulator::SimResult {
let hand_size = match n_players {
2 => 5,
3 => 5,
4 => 4,
5 => 4,
_ => {
panic!("There should be 2 to 5 players, not {}", n_players);
}
};
let game_opts = game::GameOptions {
num_players: n_players,
hand_size,
num_hints: 8,
num_lives: 3,
// hanabi rules are a bit ambiguous about whether you can give hints that match 0 cards
allow_empty_hints: false,
};
let strategy_config: Box<dyn strategy::GameStrategyConfig + Sync> = match strategy_str {
"random" => Box::new(strategies::examples::RandomStrategyConfig {
hint_probability: 0.4,
play_probability: 0.2,
}) as Box<dyn strategy::GameStrategyConfig + Sync>,
"cheat" => Box::new(strategies::cheating::CheatingStrategyConfig::new())
as Box<dyn strategy::GameStrategyConfig + Sync>,
"info" => Box::new(strategies::information::InformationStrategyConfig::new())
as Box<dyn strategy::GameStrategyConfig + Sync>,
_ => {
panic!("Unexpected strategy argument {}", strategy_str);
}
};
simulator::simulate(
&game_opts,
strategy_config,
seed,
n_trials,
n_threads,
progress_info,
)
}
fn get_results_table() -> String {
let strategies = ["cheat", "info"];
let player_nums = (2..=5).collect::<Vec<_>>();
let seed = 0;
let n_trials = 20000;
let n_threads = 8;
let intro = format!(
"On the first {} seeds, we have these scores and win rates (average ± standard error):\n\n",
n_trials
);
let format_name = |x| format!(" {:7} ", x);
let format_players = |x| format!(" {}p ", x);
let format_percent = |x, stderr| format!(" {:05.2} ± {:.2} % ", x, stderr);
let format_score = |x, stderr| format!(" {:07.4} ± {:.4} ", x, stderr);
let space = String::from(" ");
let dashes = String::from("---------");
let dashes_long = String::from("------------------");
type TwoLines = (String, String);
fn make_twolines(
player_nums: &[u32],
head: TwoLines,
make_block: &dyn Fn(u32) -> TwoLines,
) -> TwoLines {
let mut blocks = player_nums
.iter()
.cloned()
.map(make_block)
.collect::<Vec<_>>();
blocks.insert(0, head);
fn combine(items: Vec<String>) -> String {
items
.iter()
.fold(String::from("|"), |init, next| init + next + "|")
}
let (a, b): (Vec<_>, Vec<_>) = blocks.into_iter().unzip();
(combine(a), combine(b))
}
fn concat_twolines(body: Vec<TwoLines>) -> String {
body.into_iter().fold(String::default(), |output, (a, b)| {
output + &a + "\n" + &b + "\n"
})
}
let header = make_twolines(&player_nums, (space.clone(), dashes), &|n_players| {
(format_players(n_players), dashes_long.clone())
});
let mut body = strategies
.iter()
.map(|strategy| {
make_twolines(
&player_nums,
(format_name(strategy), space.clone()),
&|n_players| {
let simresult =
sim_games(n_players, strategy, Some(seed), n_trials, n_threads, None);
(
format_score(simresult.average_score(), simresult.score_stderr()),
format_percent(
simresult.percent_perfect(),
simresult.percent_perfect_stderr(),
),
)
},
)
})
.collect::<Vec<_>>();
body.insert(0, header);
intro + &concat_twolines(body)
}
fn write_results_table() {
let separator = r#"
## Results (auto-generated)
To reproduce:
```
time cargo run --release -- --results-table
```
To update this file:
```
time cargo run --release -- --write-results-table
```
"#;
let readme = "README.md";
let readme_contents = std::fs::read_to_string(readme).unwrap();
let readme_init = {
let parts = readme_contents.splitn(2, separator).collect::<Vec<_>>();
if parts.len() != 2 {
panic!("{} has been modified in the Results section!", readme);
}
parts[0]
};
let table = get_results_table();
let new_readme_contents = String::from(readme_init) + separator + &table;
std::fs::write(readme, new_readme_contents).unwrap();
}