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pub mod display;
pub mod game;
use crossterm::{cursor, event, execute, queue, terminal};
use game::{Board, Dir::*, Pos};
use std::io::Write;
fn main() {
let mut rng = rand::thread_rng();
let mut stdout = std::io::stdout();
queue!(stdout, terminal::EnterAlternateScreen, cursor::Hide).unwrap();
terminal::enable_raw_mode().unwrap();
let board = Board::new(Pos::new(4, 4));
board.spawn(&mut rng);
board.spawn(&mut rng);
loop {
queue!(
stdout,
terminal::Clear(terminal::ClearType::All),
cursor::MoveTo(0, 0)
)
.unwrap();
display::display_board(&mut stdout, &board).unwrap();
stdout.flush().unwrap();
if let Ok(evt) = event::read() {
match evt {
event::Event::Key(event::KeyEvent { code, .. }) => match code {
event::KeyCode::Char(ch) => {
if board.step(match ch.to_ascii_lowercase() {
'w' => Up,
'a' => Left,
's' => Down,
'd' => Right,
'q' => break,
_ => continue,
}) {
board.spawn(&mut rng);
}
}
_ => {}
},
_ => {}
}
} else {
break;
}
}
terminal::disable_raw_mode().unwrap();
execute!(stdout, cursor::Show, terminal::LeaveAlternateScreen).unwrap();
}
|
