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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 connection::Connection;
use targeting::TargetingStatus;
impl Connection {
pub fn server_engines(&mut self, masses : &mut HashMap<String, Mass>) -> bool {
let masses_clone = masses.clone();
let ship = masses.get_mut(&self.name).unwrap();
let targeting = match ship.mass_type {
MassType::Ship{ref targeting, ..} => Some(targeting.clone()),
_ => None,
}.unwrap();
let targeted = targeting.status == TargetingStatus::Targeted;
let send = serde_json::to_string(&targeted).unwrap() + "\n";
match self.stream.write(send.as_bytes()) {
Ok(_result) => (),
Err(_error) => return false,
}
let mut acceleration = (0.0, 0.0, 0.0);
let mut recv = String::new();
match self.buff_r.read_line(&mut recv) {
Ok(result) => match recv.as_bytes() {
b"5\n" => acceleration.0 += 0.1,
b"0\n" => acceleration.0 -= 0.1,
b"8\n" => acceleration.1 += 0.1,
b"2\n" => acceleration.1 -= 0.1,
b"4\n" => acceleration.2 += 0.1,
b"6\n" => acceleration.2 -= 0.1,
b"+\n" => {
let m_v = ship.velocity;
acceleration = (m_v.0 * 0.05,
m_v.1 * 0.05,
m_v.2 * 0.05);
},
b"-\n" => {
let m_v = ship.velocity;
acceleration = (-1.0 * m_v.0 * 0.05,
-1.0 * m_v.1 * 0.05,
-1.0 * m_v.2 * 0.05);
},
b"c\n" => {
match targeting.target {
Some(name) => {
let target = masses_clone.get(&name).unwrap();
let d_v = target.velocity;
let m_v = ship.velocity;
acceleration = (d_v.0 - m_v.0,
d_v.1 - m_v.1,
d_v.2 - m_v.2);
},
None => (),
}
},
b"t\n" => {
match targeting.target {
Some(name) => {
let target = masses_clone.get(&name).unwrap();
let d_p = target.position;
let m_p = ship.position;
acceleration = ((d_p.0 - m_p.0) * 0.01,
(d_p.1 - m_p.1) * 0.01,
(d_p.2 - m_p.2) * 0.01);
},
None => (),
}
},
_ => {
if result == 0 {
return false
}
},
},
Err(_error) => (),
}
ship.accelerate(acceleration);
true
}
}
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