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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 module::{ModuleType};
use connection::Connection;
use module::NavigationStatus;
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 mut acceleration = (0.0, 0.0, 0.0);
match ship.mass_type {
MassType::Ship{ref modules, ..} => {
match modules.get("Navigation").unwrap().module_type {
ModuleType::Navigation{ref status, ref target_name, ..} => {
let targeted = status == &NavigationStatus::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 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 target_name {
&Some(ref 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 target_name {
&Some(ref 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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