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extern crate termion;
extern crate serde_json;
use std::thread::sleep;
use std::time::Duration;
use std::net::TcpStream;
use self::termion::async_stdin;
use std::io::{BufRead, BufReader};
use std::io::{Read, Write, stdout};
use self::termion::raw::IntoRawMode;
pub fn client_engines(mut stream : TcpStream, mut buff_r : BufReader<TcpStream>) {
let stdout = stdout();
let mut stdout = stdout.lock().into_raw_mode().unwrap();
let mut stdin = async_stdin().bytes();
loop {
let mut recv = String::new();
buff_r.read_line(&mut recv).unwrap();
let has_target = serde_json::from_str(&recv.replace("\n", "")).unwrap();
write!(stdout, "{}{}use numpad to freely move\n", termion::clear::All, termion::cursor::Goto(1, 1)).unwrap();
write!(stdout, "{}+ : speedup", termion::cursor::Goto(1, 2)).unwrap();
write!(stdout, "{}- : slowdown", termion::cursor::Goto(1, 3)).unwrap();
write!(stdout, "{}s : stop", termion::cursor::Goto(1, 4)).unwrap();
write!(stdout, "{}q : quit", termion::cursor::Goto(1, 5)).unwrap();
if has_target {
write!(stdout, "{}c : mimic targets velocity vector", termion::cursor::Goto(1, 6)).unwrap();
write!(stdout, "{}t : accelerate torwards target", termion::cursor::Goto(1, 7)).unwrap();
}
if let Some(c) = stdin.next() {
let c = c.unwrap();
let mut send = String::new();
send.push(c as char);
if send.as_bytes() == b"q" {
break;
}
send.push_str("\n");
stream.write(send.as_bytes()).unwrap();
}
stdout.flush().unwrap();
sleep(Duration::from_millis(100));
}
}
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