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use super::Direction;
use super::Direction::*;
use termion::event::Key;
use termion::event::Key::{Char, Ctrl};
pub enum Command {
/// Quit the game
Quit,
/// Move the character in a direction
Move(Direction),
/// Display the previous message
PreviousMessage,
}
impl Command {
pub fn from_key(k: Key) -> Option<Command> {
use Command::*;
match k {
Char('q') => Some(Quit),
Char('h') | Char('a') | Key::Left => Some(Move(Left)),
Char('k') | Char('w') | Key::Up => Some(Move(Up)),
Char('j') | Char('s') | Key::Down => Some(Move(Down)),
Char('l') | Char('d') | Key::Right => Some(Move(Right)),
Char('y') => Some(Move(UpLeft)),
Char('u') => Some(Move(UpRight)),
Char('b') => Some(Move(DownLeft)),
Char('n') => Some(Move(DownRight)),
Ctrl('p') => Some(PreviousMessage),
_ => None,
}
}
}
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