roguelike-game/src/rng.rs

//! The random number generator, using a mutex to share the instance
use std::sync::Mutex;

use ::bracket_lib::prelude::*;
use ::lazy_static::lazy_static;

lazy_static! {
    static ref RNG: Mutex<RandomNumberGenerator> = Mutex::new(RandomNumberGenerator::new());
}

#[allow(dead_code)]
pub fn reseed(seed: u64) {
    *RNG.lock().unwrap() = RandomNumberGenerator::seeded(seed);
}

/// Rolls `n` dice, with `die_type` sides
pub fn roll_dice(n: i32, die_type: i32) -> i32 {
    RNG.lock().unwrap().roll_dice(n, die_type)
}

/// Returns a number in the range given
pub fn range(min: i32, max: i32) -> i32 {
    RNG.lock().unwrap().range(min, max)
}