src/server/mining.rs


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extern crate serde_json;

use std::io::BufRead;
use std::io::Write;
use std::collections::HashMap;

use math::distance;
use mass::{Mass, MassType};
use module::ModuleType;
use connection::Connection;

#[derive(Serialize, Deserialize, Debug, Clone)]
struct ServerData {
    has_astroid_target  : bool,
    is_within_range     : bool,
    mining_range        : f64,
    mining_status       : bool,
}

impl Connection {
    pub fn server_mining(&mut self, masses : &mut HashMap<String, Mass>) -> bool {
        let masses_clone = masses.clone();
        let ship = masses.get_mut(&self.name).unwrap();


        match ship.mass_type {
            MassType::Ship{ref modules, ..} => {
                let mut mining_range = 0.0;
                let mut mining_status = false;

                match modules.get("Mining").unwrap().module_type {
                    ModuleType::Mining{ref range, ref status, ..} => {
                        mining_range = range.clone();
                        mining_status = status.clone();
                    }
                    _ => (),
                }

                match modules.get("Navigation").unwrap().module_type {
                    ModuleType::Navigation{ref target_name, ..} => {
                        let mut has_astroid_target = false;
                        let mut is_within_range = false;
                        match target_name.clone() {
                            Some(name) => {
                                let target = masses_clone.get(&name);
                                has_astroid_target = match target {
                                    Some(target) => match target.mass_type {
                                        MassType::Astroid{..} => true,
                                        _ => false,
                                    },
                                    None => false,
                                };
                                is_within_range = match has_astroid_target {
                                    true => match target {
                                        Some(target) => mining_range > distance(ship.position, target.position),
                                        _ => false,
                                    }
                                    _ => false,
                                };
                            }
                            _ => (),
                        }

                        let send = serde_json::to_string(&ServerData {
                                                            has_astroid_target  : has_astroid_target,
                                                            is_within_range     : is_within_range,
                                                            mining_range        : mining_range,
                                                            mining_status       : mining_status,
                                                         }).unwrap() + "\n";

                        match self.stream.write(send.as_bytes()) {
                            Ok(_result) => (),
                            Err(_error) => return false,
                        }
                    }
                    _ => (),
                }

                match modules.get("Mining").unwrap().module_type {
                    ModuleType::Mining{ref range, ref status, ..} => {
                        let mut recv = String::new();
                        match self.buff_r.read_line(&mut recv) {
                            Ok(result) => match recv.as_bytes() {
                                b"F\n" => {
                                    /*
                                    if is_within_range {
                                        match mining.status {
                                            true => mining.stop(),
                                            false => mining.start(),
                                        }
                                    }
                                    */
                                },
                                _ => {
                                    if result == 0 {
                                        return false
                                    }
                                },
                            }
                            Err(_error) => (),
                        }
                    }
                    _ => (),
                }
            }
            _ => (),
        }

        true
    }
}