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use super::consts::*;
use super::row::*;
use super::skill::*;
use super::slab_def::*;
pub struct Level {
rows: Vec<Row>,
seed: u64,
w: usize,
skill: Skill,
}
impl Level {
pub fn new(seed: u64, width: usize, skill: Skill) -> Level {
let w = if width > WIDTH_MAX as usize {
WIDTH_MAX
} else {
width
};
Level {
rows: Vec::new(),
seed,
w,
skill,
}
}
pub fn width(&self) -> usize {
self.w
}
pub fn len(&self) -> usize {
self.rows.len()
}
pub fn push(&mut self, row: Row) {
if self.rows.len() >= LENGTH_MAX {
return;
}
self.rows.push(row)
}
pub fn extend(&mut self, n: usize) {
if self.rows.len() >= LENGTH_MAX {
return;
}
for _ in 0..n {
let row = Row::new(SlabDef::Floor);
self.push(row)
}
}
}
impl std::fmt::Display for Level {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let str_list: Vec<String> = self
.rows
.iter()
.map(|x| format!("{}", x)[0..self.w].to_string())
.collect();
write!(f, "{}", str_list.join("\n"))
}
}
#[cfg(test)]
mod tests {
use crate::*;
#[test]
fn test_fmt() {
assert_eq!("", format!("{}", Level::new(0, 10, Skill::Easy)));
let mut lvl = Level::new(0, 5, Skill::Noob);
lvl.extend(3);
assert_eq!("#####\n#####\n#####", format!("{}", lvl));
}
#[test]
fn test_length_max() {
let mut lvl = Level::new(0, 2, Skill::Noob);
assert_eq!(0, lvl.len());
let row = Row::new(SlabDef::Floor);
lvl.extend(LENGTH_MAX - 1);
assert_eq!(LENGTH_MAX - 1, lvl.len());
lvl.extend(2);
assert_eq!(LENGTH_MAX, lvl.len());
lvl.push(row);
assert_eq!(LENGTH_MAX, lvl.len());
}
}