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extern crate termion;
//extern crate itertools;
extern crate serde_json;
use std::net::TcpStream;
use std::collections::BTreeMap;
use self::termion::async_stdin;
use std::io::{BufRead, BufReader};
use std::io::{stdout, Read, Write};
use self::termion::raw::IntoRawMode;
use math::distance;
use mass::{Mass, MassType};
pub fn client_navigation(name : String, 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 mut within_range : BTreeMap<String, Mass> = serde_json::from_str(&recv).unwrap();
write!(stdout, "{}{}Targets:",
termion::clear::All,
termion::cursor::Goto(1,1)).unwrap();
let ship = within_range.remove(&name).unwrap();
let targeting = match ship.mass_type {
MassType::Ship{ref targeting, ..} => Some(targeting.clone()),
_ => None,
}.unwrap();
for (i, (mass_name, mass)) in within_range.iter().enumerate() {
let target_data = match targeting.target.clone() {
Some(target_name) => {
if &target_name == mass_name {
serde_json::to_string(&targeting.status).unwrap()
}
else {
String::new()
}
}
None => String::new(),
};
write!(stdout, "{}{}) {} ({:.2}, {:.2}, {:.2}) Distance : {:.2} {}",
termion::cursor::Goto(1, 2 + i as u16),
i,
mass_name,
mass.position.0,
mass.position.1,
mass.position.2,
distance(mass.position, ship.position),
target_data
).unwrap();
}
match stdin.next() {
Some(c) => {
let c = c.unwrap() as char;
if c == 'q' {
break;
}
else {
let i = c.to_digit(10).unwrap() as usize;
if i < within_range.len() {
let mut send = String::new();
send.push_str(within_range.iter().nth(i).unwrap().0);
send.push_str("\n");
stream.write(send.as_bytes()).unwrap();
}
}
}
None => ()
}
stdout.flush().unwrap();
}
}
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