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extern crate serde_json;
use std::io::Write;
use std::io::BufRead;
use std::collections::HashMap;
use math::distance;
use mass::{Mass, MassType};
use server::connection::ServerConnection;
impl ServerConnection {
pub fn server_navigation(&mut self, masses : &mut HashMap<String, Mass>) -> bool {
let mut ship = masses.remove(&self.name).unwrap();
let ship_clone = ship.clone();
let mut connection_good = true;
if let MassType::Ship{ref mut navigation, ..} = ship.mass_type {
let mut navigation = navigation.as_mut().unwrap();
navigation.verify_target(ship_clone.position, &masses);
let mut within_range : HashMap<&String, &Mass> = masses.iter().filter(|&(_, mass)|
distance(ship_clone.position, mass.position) < navigation.range)
.collect();
within_range.insert(&self.name, &ship_clone);
let send = serde_json::to_string(&within_range).unwrap() + "\n";
match self.stream.write(send.as_bytes()) {
Ok(_result) => (),
Err(_error) => connection_good = false,
}
let mut recv = String::new();
match self.buff_r.read_line(&mut recv) {
Ok(_result) => (),
Err(_error) => (),
}
if !recv.is_empty() {
navigation.give_target(recv.replace("\n", ""));
}
}
masses.insert(self.name.clone(), ship);
connection_good
}
}
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