about summary refs log tree commit diff
path: root/src/main.rs
blob: b322a969a1bef5abcf270cb31f5b1c6c8f836eb3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
extern crate termion;
#[macro_use]
extern crate log;
extern crate config;
extern crate log4rs;
extern crate serde;
extern crate toml;
#[macro_use]
extern crate serde_derive;
extern crate serde_json;
#[macro_use]
extern crate clap;
#[macro_use]
extern crate prettytable;
#[macro_use]
extern crate lazy_static;
#[cfg(test)]
#[macro_use]
extern crate maplit;
#[macro_use]
extern crate downcast_rs;
extern crate backtrace;
#[macro_use]
extern crate include_dir;
#[macro_use]
extern crate nom;
#[macro_use]
extern crate matches;
extern crate futures;

#[macro_use]
mod util;
#[macro_use]
mod types;
#[macro_use]
mod entities;
mod display;
mod game;
mod level_gen;
mod messages;
mod settings;

use crate::types::Dimensions;
use clap::App;
use game::Game;
use prettytable::format::consts::FORMAT_BOX_CHARS;
use rand::rngs::SmallRng;
use rand::SeedableRng;
use settings::Settings;

use backtrace::Backtrace;
use std::io::{self, StdinLock, StdoutLock};
use std::panic;

use termion::raw::IntoRawMode;
use termion::raw::RawTerminal;

fn init(
    settings: Settings,
    stdout: RawTerminal<StdoutLock<'_>>,
    stdin: StdinLock<'_>,
    w: u16,
    h: u16,
) -> io::Result<()> {
    panic::set_hook(if settings.logging.print_backtrace {
        Box::new(|info| (error!("{}\n{:#?}", info, Backtrace::new())))
    } else {
        Box::new(|info| (error!("{}\n{:#?}", info, Backtrace::new())))
    });

    let game = Game::new(settings, stdout, stdin, w, h);
    game.run()
}

fn generate_level<'a, W: io::Write>(
    stdout: &mut W,
    params: &clap::ArgMatches<'a>,
) -> io::Result<()> {
    let mut rand = SmallRng::from_entropy();

    let mut dimensions: Dimensions = Default::default();
    if let Some(h_s) = params.value_of("height") {
        dimensions.h = h_s.parse().unwrap();
    }
    if let Some(w_s) = params.value_of("width") {
        dimensions.w = w_s.parse().unwrap();
    }

    let level = match params.value_of("generator") {
        None => panic!("Must supply a generator with --generator"),
        Some("cave_automata") => level_gen::cave_automata::generate(
            &dimensions,
            &level_gen::cave_automata::Params::from_matches(params),
            &mut rand,
        ),
        Some(gen) => panic!("Unrecognized generator: {}", gen),
    };
    level_gen::draw_level(level, stdout)
}

fn main() -> io::Result<()> {
    let yaml = load_yaml!("cli.yml");
    let matches = App::from_yaml(yaml).get_matches();
    let settings = Settings::load().unwrap();
    settings.logging.init_log();
    let stdout = io::stdout();
    let mut stdout = stdout.lock();

    let stdin = io::stdin();
    let stdin = stdin.lock();

    let termsize = termion::terminal_size().ok();
    let (termwidth, termheight) = termsize.unwrap_or((70, 40));

    match matches.subcommand() {
        ("info", _) => {
            let mut table = table!(
                [br->"termwidth", termwidth],
                [br->"termheight", termheight],
                [br->"logfile", settings.logging.file],
                [br->"loglevel", settings.logging.level]
            );
            table.set_format(*FORMAT_BOX_CHARS);
            table.printstd();
            Ok(())
        }
        ("generate-level", params) => {
            generate_level(&mut stdout, params.unwrap())
        }
        _ => {
            let stdout = stdout.into_raw_mode().unwrap();
            init(settings, stdout, stdin, termwidth, termheight)
        }
    }
}