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extern crate serde_json;
use std::io::Write;
use std::io::BufRead;
use std::collections::HashMap;
use mass::{Mass, MassType};
use math::distance;
use connection::Connection;
impl Connection {
pub fn server_navigation(&mut self, masses : &mut HashMap<String, Mass>) -> bool {
let masses_clone = masses.clone();
let ship = masses.get_mut(&self.name).unwrap();
let ship_position = ship.position;
match ship.mass_type {
MassType::Ship{ref mut targeting, ..} => {
let target_name = targeting.clone().target;
match target_name {
Some(target_name) => {
let target = masses_clone.get(&target_name).unwrap();
if distance(target.position, ship.position) > targeting.range {
targeting.target = None;
}
},
_ => (),
}
let within_range : HashMap<&String, &Mass> = masses_clone.iter().filter(|&(_, mass)|
distance(ship_position, mass.position) < targeting.range)
.collect();
let send = serde_json::to_string(&within_range).unwrap() + "\n";
match self.stream.write(send.as_bytes()) {
Ok(_result) => (),
Err(_error) => return false,
}
let mut recv = String::new();
match self.buff_r.read_line(&mut recv) {
Ok(_result) => (),
Err(_error) => (),
}
if !recv.is_empty() {
targeting.give_target(Some(recv.replace("\n", "")));
}
},
_ => (),
}
true
}
}
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