Big update

- Add ed_lrr_pp to preprocess JSON-Dumps into CSV files
- Add route-graph-precomputation to ed_lrr
- Add option to only route through primary stars
This commit is contained in:
Daniel S. 2019-06-29 10:32:47 +02:00
parent d42121c33b
commit 84bc08a2e1
9 changed files with 1109 additions and 301 deletions

2
.cargo/config Normal file
View file

@ -0,0 +1,2 @@
[build]
rustflags = ["-C", "target-cpu=native"]

6
.gitignore vendored
View file

@ -1,3 +1,7 @@
/target
**/*.rs.bk
.vscode/**
.vscode/**
*.csv
*.router
dumps/*.json
plot.py

543
Cargo.lock generated
View file

@ -1,5 +1,13 @@
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"checksum unicode-segmentation 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1967f4cdfc355b37fd76d2a954fb2ed3871034eb4f26d60537d88795cfc332a9"
"checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
"checksum utf8-ranges 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9d50aa7650df78abf942826607c62468ce18d9019673d4a2ebe1865dbb96ffde"
"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
"checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"

View file

@ -6,16 +6,19 @@ edition = "2018"
repository = "https://gitlab.com/Earthnuker/ed_lrr.git"
license = "WTFPL"
[[bin]]
name = "ed_lrr"
path = "src/main.rs"
[profile.release]
# debug=true
[dependencies]
csv = "1.0.7"
serde = "1.0.92"
serde_derive = "1.0.92"
rstar = "0.4.0"
csv = "1.1.0"
serde = "1.0.94"
serde_derive = "1.0.94"
rstar = {version="0.4.0",features=["serde"]}
humantime = "1.2.0"
fnv = "1.0.6"
structopt = "0.2.16"
structopt = "0.2.18"
permutohedron = "0.2.4"
serde_json = "1.0.39"
indicatif = "0.11.0"
fnv = "1.0.6"
bincode = "1.1.4"
sha3 = "0.8.2"

View file

@ -3,16 +3,18 @@
## Usage:
1. download `bodies.json` and `systemsWithCoordinates.json` from https://www.edsm.net/en/nightly-dumps/ and place them in the `dumps` folder
2. run `process.py` in the `dumps` folder
3. run `cargo install --path .` or `cargo install --git https://gitlab.com/Earthnuker/ed_lrr.git`
5. run `ed_lrr --help`
2. run `cargo install --path .` or `cargo install --git https://gitlab.com/Earthnuker/ed_lrr.git`
3. run `ed_lrr_pp --bodies dumps/bodies.json --systems dumps/systemsWithCoordinates.json`
- Alternatively run `proces.py` in the `dumps` folder
4. run `ed_lrr --help`
## Dependencies
- Python 3.7
- Working nightly Rust Compiler (tested with `rustc 1.37.0-nightly (5d8f59f4b 2019-06-04)`)
- ~8GB of free RAM
- Optional:
- Python 3.7
- Pandas
- uJSON
- Working nightly Rust Compiler (tested with `rustc 1.37.0-nightly (5d8f59f4b 2019-06-04)`)
- ~8GB of free RAM

View file

@ -165,7 +165,7 @@ if not os.path.isfile("stars.csv"):
print()
cache.close()
if not os.path.isfile("stars.kdt"):
if not os.path.isfile("stars.csv"):
tqdm.pandas(ascii=True, leave=True)
print("Loading data...")
data = pd.read_csv(

2
dumps/urls.txt Normal file
View file

@ -0,0 +1,2 @@
https://www.edsm.net/dump/systemsWithCoordinates.json
https://www.edsm.net/dump/bodies.json

188
src/bin/ed_lrr_pp.rs Normal file
View file

@ -0,0 +1,188 @@
#![feature(seek_convenience)]
use fnv::FnvHashMap;
use humantime::format_duration;
use indicatif::{ProgressBar, ProgressStyle};
use serde::{Deserialize, Serialize};
use serde_json::Result;
use std::fs::File;
use std::io::{BufRead, BufReader, BufWriter, Seek};
use std::path::PathBuf;
use std::str;
use std::time::Instant;
use structopt::StructOpt;
#[derive(Debug, Clone, Serialize)]
struct Record {
id: u64,
star_type: String,
name: String,
mult: f32,
distance: u32,
x: f64,
y: f64,
z: f64,
}
#[derive(Debug, Deserialize)]
#[allow(non_snake_case)]
struct Body {
name: String,
subType: String,
#[serde(rename = "type")]
body_type: String,
systemId: i32,
systemId64: i64,
#[serde(rename = "distanceToArrival")]
distance: u32,
}
#[derive(Debug, Deserialize)]
struct Coords {
x: f64,
y: f64,
z: f64,
}
#[derive(Debug, Deserialize)]
struct System {
id: i32,
id64: i64,
name: String,
coords: Coords,
date: String,
}
#[derive(Debug, StructOpt)]
#[structopt(
name = "ed_lrr_pp",
about = "Preprocessor for Elite: Dangerous Long-Range Router",
rename_all = "snake_case"
)]
/// Preprocess data for ed_lrr
struct Opt {
#[structopt(short, long = "bodies")]
/// Path to bodies.json
bodies: PathBuf,
#[structopt(short, long = "systems")]
/// Path to systemsWithCoordinates.json
systems: PathBuf,
#[structopt(default_value = "stars")]
/// outfile prefix
prefix: String,
}
fn get_mult(star_type: &str) -> f32 {
if star_type.contains("White Dwarf") {
return 1.5;
}
if star_type.contains("Neutron") {
return 4.0;
}
return 1.0;
}
fn process(path: &PathBuf, func: &mut dyn for<'r> FnMut(&'r str) -> ()) -> std::io::Result<()> {
let mut cnt = 0;
let mut buffer = String::new();
let t_start = Instant::now();
let fh = File::open(path)?;
let prog_bar = ProgressBar::new(fh.metadata()?.len());
prog_bar.set_style(
ProgressStyle::default_bar()
.template(
"[{elapsed_precise}/{eta_precise}]{spinner} [{wide_bar}] {binary_bytes}/{binary_total_bytes} ({percent}%)",
)
.progress_chars("#9876543210 ")
.tick_chars("/-\\|"),
);
prog_bar.set_draw_delta(1024 * 1024);
let mut reader = BufReader::new(fh);
println!("Loading {} ...", path.to_str().unwrap());
while let Ok(n) = reader.read_line(&mut buffer) {
if n == 0 {
break;
}
buffer = buffer.trim_end().trim_end_matches(|c| c == ',').to_string();
if !buffer.is_empty() {
func(&buffer);
}
prog_bar.set_position(reader.stream_position().unwrap());
cnt += 1;
buffer.clear();
}
prog_bar.finish_and_clear();
println!(
"Processed {} lines in {} ...",
cnt,
format_duration(t_start.elapsed())
);
return Ok(());
}
fn process_systems(path: &PathBuf) -> FnvHashMap<i64, System> {
let mut ret = FnvHashMap::default();
process(path, &mut |line| {
let sys_res: Result<System> = serde_json::from_str(&line);
if let Ok(sys) = sys_res {
ret.insert(sys.id64, sys);
} else {
eprintln!("\nError parsing: {}\n\t{:?}\n", line, sys_res.unwrap_err());
}
})
.unwrap();
return ret;
}
fn process_bodies(
path: &PathBuf,
out_prefix: &String,
systems: &FnvHashMap<i64, System>,
) -> std::io::Result<()> {
let out_path = PathBuf::from(format!("{}.csv", out_prefix));
println!(
"Processing {} into {} ...",
path.to_str().unwrap(),
out_path.to_str().unwrap(),
);
let mut n: u64 = 0;
let mut wtr = csv::Writer::from_writer(BufWriter::new(File::create(out_path).unwrap()));
process(path, &mut |line| {
if !line.contains("Star") {
return;
}
let body_res: Result<Body> = serde_json::from_str(&line);
if let Ok(body) = body_res {
if !body.body_type.contains("Star") {
return;
}
if let Some(sys) = systems.get(&body.systemId64) {
let sub_type = body.subType;
let mult = get_mult(&sub_type);
let body_name = body.name;
let rec = Record {
id: n,
star_type: sub_type,
name: body_name,
mult,
distance: body.distance,
x: sys.coords.x,
y: sys.coords.y,
z: sys.coords.z,
};
wtr.serialize(rec).unwrap();
n += 1;
};
} else {
eprintln!("\nError parsing: {}\n\t{:?}\n", line, body_res.unwrap_err());
}
})
.unwrap();
println!("Total Systems: {}", n);
return Ok(());
}
fn main() -> std::io::Result<()> {
let opts = Opt::from_args();
let systems = process_systems(&opts.systems);
process_bodies(&opts.bodies, &opts.prefix, &systems)?;
return Ok(());
}

View file

@ -1,49 +1,48 @@
extern crate csv;
extern crate serde;
extern crate structopt;
#[macro_use]
extern crate serde_derive;
extern crate fnv;
extern crate humantime;
extern crate permutohedron;
use core::cmp::Ordering;
use fnv::{FnvHashMap, FnvHashSet};
use humantime::format_duration;
use permutohedron::LexicalPermutation;
use rstar::{PointDistance, RTree, RTreeObject, AABB};
use serde::{Deserialize, Serialize};
use sha3::{Digest, Sha3_256};
use std::collections::VecDeque;
use std::fs::File;
use std::hash::{Hash, Hasher};
use std::io::Write;
use std::io::{BufReader, BufWriter, Write};
use std::path::PathBuf;
use std::str::FromStr;
use std::time::Instant;
use structopt::StructOpt;
#[derive(Debug, Deserialize)]
struct Record {
id: i64,
star_type: String,
name: String,
mult: f32,
x: f32,
y: f32,
z: f32,
}
#[derive(Debug, Clone)]
struct System {
id: i64,
star_type: String,
name: String,
mult: f32,
#[derive(Debug)]
#[allow(dead_code)]
enum StarType {
Neutron,
WhiteDwarf,
Scoopable,
NonScoopable,
}
#[derive(Debug, Clone, Copy)]
struct Point {
id: i64,
#[derive(Debug, Clone, Deserialize)]
struct SystemSerde {
id: u32,
star_type: String,
name: String,
mult: f32,
distance: u32,
x: f32,
y: f32,
z: f32,
}
#[derive(Debug, Clone, Deserialize, Serialize)]
struct System {
id: u32,
star_type: String,
name: String,
mult: f32,
distance: u32,
pos: [f32; 3],
}
#[derive(Debug)]
enum Mode {
@ -68,29 +67,53 @@ impl FromStr for Mode {
#[structopt(
name = "ed_lrr",
about = "Elite: Dangerous Long-Range Router",
rename_all = "kebab-case"
rename_all = "snake_case"
)]
/// Plots a route through multiple systems using breadth-first search (Currently needs a lot of RAM (about 6GB), sorry)
struct Opt {
/// Plots a route through multiple systems
struct Opts {
#[structopt(short, long = "range")]
/// Jump Range
range: f32,
range: Option<f32>,
#[structopt(
parse(from_os_str),
short = "f",
short = "i",
long = "path",
default_value = "./stars.csv"
)]
/// Path to stars.csv
///
/// Generate using process.py (https://gitlab.com/Earthnuker/ed_lrr/raw/master/dumps/process.py)
/// Generate using ed_lrr_pp
file_path: PathBuf,
#[structopt(
parse(from_os_str),
long = "precomp_file",
conflicts_with = "precompute"
)]
/// Path to precomputed route graph
///
/// Generate using --precompute option
precomp_file: Option<PathBuf>,
#[structopt(
short = "c",
long = "precompute",
conflicts_with = "full_permute",
conflicts_with = "permute",
conflicts_with = "precomp_file"
)]
/// Precompute all routes for the specified jump range starting at the specified system and write the result to {system}_{range}.bin
precompute: bool,
#[structopt(short = "p", long = "permute", conflicts_with = "full_permute")]
/// Permute intermediate hops to find shortest route
permute: bool,
#[structopt(short = "fp", long = "full_permute", conflicts_with = "permute")]
#[structopt(short = "o", long = "primary")]
/// Only route through the primary star of a system
primary: bool,
#[structopt(short = "f", long = "full_permute", conflicts_with = "permute")]
/// Permute all hops to find shortest route
full_permute: bool,
@ -100,8 +123,9 @@ struct Opt {
#[structopt(
short,
long = "mode",
raw(possible_values = "&[\"bfs\", \"greedy\",\"astar\"]")
long,
raw(possible_values = "&[\"bfs\", \"greedy\",\"astar\"]"),
default_value = "bfs"
)]
/// Search mode
///
@ -114,15 +138,19 @@ struct Opt {
/// Systems to route through
systems: Vec<String>,
}
fn dist(p1: &[f32; 3], p2: &[f32; 3]) -> f32 {
fn dist2(p1: &[f32; 3], p2: &[f32; 3]) -> f32 {
let dx = p1[0] - p2[0];
let dy = p1[1] - p2[1];
let dz = p1[2] - p2[2];
return (dx * dx + dy * dy + dz * dz).sqrt();
return dx * dx + dy * dy + dz * dz;
}
fn fcmp(a: &f32, b: &f32) -> Ordering {
fn dist(p1: &[f32; 3], p2: &[f32; 3]) -> f32 {
return dist2(p1, p2).sqrt();
}
fn fcmp(a: f32, b: f32) -> Ordering {
match (a, b) {
(x, y) if x.is_nan() && y.is_nan() => Ordering::Equal,
(x, _) if x.is_nan() => Ordering::Greater,
@ -131,80 +159,83 @@ fn fcmp(a: &f32, b: &f32) -> Ordering {
}
}
impl Point {
impl System {
pub fn dist2(&self, p: &[f32; 3]) -> f32 {
let dx = self.x - p[0];
let dy = self.y - p[1];
let dz = self.z - p[2];
return dx * dx + dy * dy + dz * dz;
return dist2(&self.pos, p);
}
pub fn distp(&self, p: &Point) -> f32 {
return self.distp2(p).sqrt();
pub fn distp(&self, p: &System) -> f32 {
return dist(&self.pos, &p.pos);
}
pub fn distp2(&self, p: &Point) -> f32 {
return self.dist2(&[p.x, p.y, p.z]);
pub fn distp2(&self, p: &System) -> f32 {
return self.dist2(&p.pos);
}
}
impl PartialEq for Point {
impl PartialEq for System {
fn eq(&self, other: &Self) -> bool {
self.id == other.id
}
}
impl Eq for Point {}
impl Eq for System {}
impl Hash for Point {
impl Hash for System {
fn hash<H: Hasher>(&self, state: &mut H) {
self.id.hash(state);
}
}
impl RTreeObject for Point {
impl RTreeObject for System {
type Envelope = AABB<[f32; 3]>;
fn envelope(&self) -> Self::Envelope {
return AABB::from_point([self.x, self.y, self.z]);
return AABB::from_point(self.pos);
}
}
impl PointDistance for Point {
impl PointDistance for System {
fn distance_2(&self, point: &[f32; 3]) -> f32 {
return self.dist2(&point);
}
}
fn hash_file(path: &PathBuf) -> Vec<u8> {
let mut hash_reader = BufReader::new(File::open(path).unwrap());
let mut hasher = Sha3_256::new();
std::io::copy(&mut hash_reader, &mut hasher).unwrap();
hasher.result().iter().map(|v| *v).collect()
}
#[derive(Deserialize, Serialize)]
struct Router {
tree: RTree<Point>,
systems: FnvHashMap<i64, System>,
scoopable: FnvHashSet<i64>,
tree: RTree<System>,
scoopable: FnvHashSet<u32>,
route_tree: Option<FnvHashMap<u32, u32>>,
range: f32,
primary_only: bool,
}
impl Router {
pub fn new(path: &PathBuf) -> Self {
pub fn new(path: &PathBuf, range: f32, primary_only: bool) -> Self {
let mut scoopable = FnvHashSet::default();
let mut systems: FnvHashMap<i64, System> = FnvHashMap::default();
let mut reader = csv::ReaderBuilder::new()
.has_headers(false)
.from_path(path)
.unwrap_or_else(|e| {
println!("Error loading {}: {}", path.to_str().unwrap(), e);
println!("Error opening {}: {}", path.to_str().unwrap(), e);
std::process::exit(1);
});
let t_load = Instant::now();
println!("Loading {}...", path.to_str().unwrap());
let points = reader
.deserialize()
.map(|res: Result<Record, _>| {
let sys = res.unwrap();
systems.insert(
sys.id,
System {
id: sys.id,
star_type: sys.star_type.clone(),
name: sys.name,
mult: sys.mult,
},
);
let systems: Vec<System> = reader
.deserialize::<SystemSerde>()
.map(|res| res.unwrap())
.filter(|sys| {
if primary_only {
sys.distance == 0
} else {
true
}
})
.map(|sys| {
if sys.mult > 1.0f32 {
scoopable.insert(sys.id);
} else {
@ -215,61 +246,79 @@ impl Router {
}
}
}
return Point {
x: sys.x,
y: sys.y,
z: sys.z,
return System {
id: sys.id,
star_type: sys.star_type,
name: sys.name,
mult: sys.mult,
distance: sys.distance,
pos: [sys.x, sys.y, sys.z],
};
})
.collect();
return Self {
tree: RTree::<Point>::bulk_load(points),
systems,
println!("Building RTree...");
let ret = Self {
tree: RTree::bulk_load(systems),
scoopable,
route_tree: None,
range,
primary_only,
};
}
fn preload_points(&self) -> FnvHashMap<i64, &Point> {
let mut ret = FnvHashMap::default();
for point in &self.tree {
ret.insert(point.id, point);
}
println!(
"{} Systems loaded in {}",
ret.tree.size(),
format_duration(t_load.elapsed())
);
return ret;
}
fn closest(&self, point: &[f32; 3]) -> &Point {
pub fn from_file(filename: &PathBuf) -> Self {
let t_load = Instant::now();
let mut reader = BufReader::new(File::open(&filename).unwrap());
println!("Loading {}", filename.to_str().unwrap());
let (primary, range, file_hash, path, route_tree): (
bool,
f32,
Vec<u8>,
String,
FnvHashMap<u32, u32>,
) = bincode::deserialize_from(&mut reader).unwrap();
let path = PathBuf::from(path);
println!("Done in {}!", format_duration(t_load.elapsed()));
if hash_file(&path) != file_hash {
panic!("File hash mismatch!")
}
let mut rtr = Self::new(&path, range, primary);
rtr.route_tree = Some(route_tree);
return rtr;
}
fn closest(&self, point: &[f32; 3]) -> &System {
return self.tree.nearest_neighbor(point).unwrap();
}
fn points_in_sphere(&self, center: &[f32; 3], radius: f32) -> impl Iterator<Item = &Point> {
fn points_in_sphere(&self, center: &[f32; 3], radius: f32) -> impl Iterator<Item = &System> {
return self.tree.locate_within_distance(*center, radius * radius);
}
fn mult(&self, id: i64) -> f32 {
if let Some(sys) = self.systems.get(&id) {
return sys.mult;
};
return 1.0;
}
fn neighbours(&self, sys: &Point, r: f32) -> impl Iterator<Item = &Point> {
return self.points_in_sphere(&[sys.x, sys.y, sys.z], self.mult(sys.id) * r);
fn neighbours(&self, sys: &System, r: f32) -> impl Iterator<Item = &System> {
return self.points_in_sphere(&sys.pos, sys.mult * r);
}
fn valid(&self, sys: &Point) -> bool {
fn valid(&self, sys: &System) -> bool {
return self.scoopable.contains(&sys.id);
}
pub fn best_name_multiroute(
&self,
waypoints: &Vec<String>,
waypoints: &[String],
range: f32,
full: bool,
mode: Mode,
factor: f32,
) -> Vec<(&System, &Point)> {
) -> Vec<System> {
let mut best_score: f32 = std::f32::MAX;
let mut waypoints = waypoints.clone();
let mut best_permutation_waypoints = waypoints.clone();
let mut waypoints = waypoints.to_owned();
let mut best_permutation_waypoints = waypoints.to_owned();
let first = waypoints.first().cloned();
let last = waypoints.last().cloned();
let t_start = Instant::now();
@ -283,7 +332,11 @@ impl Router {
for pair in waypoints.windows(2) {
match pair {
[src, dst] => {
let (src, dst) = (self.name_to_point(&src), self.name_to_point(&dst));
let (mut src, dst) =
(self.name_to_systems(&src), self.name_to_systems(&dst));
src.sort_by_key(|&p| (p.mult * 10.0) as u8);
let src = src.last().unwrap();
let dst = dst.last().unwrap();
total_d += src.distp2(dst);
}
_ => panic!("Invalid routing parameters!"),
@ -291,7 +344,7 @@ impl Router {
}
if total_d < best_score {
best_score = total_d;
best_permutation_waypoints = waypoints.clone();
best_permutation_waypoints = waypoints.to_owned();
}
}
if !waypoints.next_permutation() {
@ -306,39 +359,44 @@ impl Router {
pub fn name_multiroute(
&self,
waypoints: &Vec<String>,
waypoints: &[String],
range: f32,
mode: Mode,
factor: f32,
) -> Vec<(&System, &Point)> {
) -> Vec<System> {
let mut coords = Vec::new();
for p in waypoints {
let p = self.name_to_point(p);
let s = [p.x, p.y, p.z];
coords.push(s);
for p_name in waypoints {
let mut p_l = self.name_to_systems(p_name);
p_l.sort_by_key(|&p| (p.mult * 10.0) as u8);
let p = p_l.last().unwrap();
coords.push((p_name, p.pos));
}
return self.multiroute(coords.as_slice(), range, mode, factor);
}
pub fn multiroute(
&self,
waypoints: &[[f32; 3]],
waypoints: &[(&String, [f32; 3])],
range: f32,
mode: Mode,
factor: f32,
) -> Vec<(&System, &Point)> {
let mut route = Vec::new();
) -> Vec<System> {
let mut route: Vec<System> = Vec::new();
for pair in waypoints.windows(2) {
match pair {
&[src, dst] => {
match *pair {
[src, dst] => {
let block = match mode {
Mode::BFS => self.route_bfs(&src, &dst, range),
Mode::Greedy => self.route_greedy(&src, &dst, range),
Mode::AStar => self.route_astar(&src, &dst, range, factor),
};
if route.is_empty() {
route.extend(block.iter());
for sys in block.iter() {
route.push(sys.clone());
}
} else {
route.extend(block.iter().skip(1));
for sys in block.iter().skip(1) {
route.push(sys.clone());
}
}
}
_ => panic!("Invalid routing parameters!"),
@ -347,20 +405,10 @@ impl Router {
return route;
}
fn sys_to_point(&self, id: i64) -> &Point {
for p in &self.tree {
if p.id == id {
return p;
}
}
eprintln!("Sytem-ID not found: \"{}\"", id);
std::process::exit(1);
}
fn name_to_point(&self, name: &str) -> &Point {
for sys in self.systems.values() {
fn name_to_systems(&self, name: &str) -> Vec<&System> {
for sys in &self.tree {
if sys.name == name {
return self.sys_to_point(sys.id);
return self.neighbours(&sys, 0.0).collect();
}
}
eprintln!("Sytem not found: \"{}\"", name);
@ -369,25 +417,22 @@ impl Router {
pub fn route_astar(
&self,
src: &[f32; 3],
dst: &[f32; 3],
src: &(&String, [f32; 3]),
dst: &(&String, [f32; 3]),
range: f32,
factor: f32,
) -> Vec<(&System, &Point)> {
) -> Vec<System> {
if factor == 0.0 {
return self.route_bfs(src, dst, range);
}
println!("Running A-Star with greedy factor of {}", factor);
let (src_name, src) = src;
let (dst_name, dst) = dst;
let start_sys = self.closest(src);
let goal_sys = self.closest(dst);
let start_sys_name = self.systems.get(&start_sys.id).unwrap().name.clone();
let goal_sys_name = self.systems.get(&goal_sys.id).unwrap().name.clone();
{
let d = dist(src, dst);
println!(
"Plotting route from {} to {}...",
start_sys_name, goal_sys_name
);
println!("Plotting route from {} to {}...", src_name, dst_name);
println!(
"Jump Range: {} Ly, Distance: {} Ly, Theoretical Jumps: {}",
range,
@ -401,7 +446,7 @@ impl Router {
let t_start = Instant::now();
let mut found = false;
let mut maxd = 0;
let mut queue: Vec<(usize, usize, &Point)> = Vec::new();
let mut queue: Vec<(usize, usize, &System)> = Vec::new();
queue.push((
0, // depth
(start_sys.distp(goal_sys) / range) as usize, // h
@ -432,7 +477,7 @@ impl Router {
.filter(|&nb| (self.valid(nb) || (nb.id == goal_sys.id)))
.filter(|&nb| seen.insert(nb.id))
.map(|nb| {
prev.insert(nb.id, sys.id);
prev.insert(nb.id, sys);
let d_g = (nb.distp(goal_sys) / range) as usize;
return (depth + 1, d_g, nb);
}),
@ -442,7 +487,7 @@ impl Router {
let (b_0, b_1) = (b.0 as f32, b.1 as f32);
let v_a = a_0 + a_1 * factor;
let v_b = b_0 + b_1 * factor;
return fcmp(&v_a, &v_b);
return fcmp(v_a, v_b);
});
// queue.reverse();
}
@ -451,23 +496,15 @@ impl Router {
println!();
if !found {
eprintln!(
"No route from {} to {} found!",
start_sys_name, goal_sys_name
);
eprintln!("No route from {} to {} found!", src_name, dst_name);
return Vec::new();
}
let points = self.preload_points();
let mut v: Vec<(&System, &Point)> = Vec::new();
let mut prev_sys_id = goal_sys.id;
let mut v: Vec<System> = Vec::new();
let mut curr_sys = goal_sys;
loop {
if let Some(sys) = self.systems.get(&prev_sys_id) {
v.push((sys, points[&sys.id]));
} else {
break;
};
match prev.get(&prev_sys_id) {
Some(sys_id) => prev_sys_id = *sys_id,
v.push(curr_sys.clone());
match prev.get(&curr_sys.id) {
Some(sys) => curr_sys = *sys,
None => {
break;
}
@ -479,21 +516,18 @@ impl Router {
pub fn route_greedy(
&self,
src: &[f32; 3],
dst: &[f32; 3],
src: &(&String, [f32; 3]),
dst: &(&String, [f32; 3]),
range: f32,
) -> Vec<(&System, &Point)> {
) -> Vec<System> {
println!("Running Greedy-Search");
let (src_name, src) = src;
let (dst_name, dst) = dst;
let start_sys = self.closest(src);
let goal_sys = self.closest(dst);
let start_sys_name = self.systems.get(&start_sys.id).unwrap().name.clone();
let goal_sys_name = self.systems.get(&goal_sys.id).unwrap().name.clone();
{
let d = dist(src, dst);
println!(
"Plotting route from {} to {}...",
start_sys_name, goal_sys_name
);
println!("Plotting route from {} to {}...", src_name, dst_name);
println!(
"Jump Range: {} Ly, Distance: {} Ly, Theoretical Jumps: {}",
range,
@ -507,13 +541,8 @@ impl Router {
let t_start = Instant::now();
let mut found = false;
let mut maxd = 0;
let mut queue: Vec<(f32, f32, usize, &Point)> = Vec::new();
queue.push((
-self.mult(goal_sys.id),
start_sys.distp2(goal_sys),
0,
&start_sys,
));
let mut queue: Vec<(f32, f32, usize, &System)> = Vec::new();
queue.push((-goal_sys.mult, start_sys.distp2(goal_sys), 0, &start_sys));
seen.insert(start_sys.id);
while !(queue.is_empty() || found) {
while let Some((_, _, depth, sys)) = queue.pop() {
@ -538,33 +567,26 @@ impl Router {
.filter(|&nb| (self.valid(nb) || (nb.id == goal_sys.id)))
.filter(|&nb| seen.insert(nb.id))
.map(|nb| {
prev.insert(nb.id, sys.id);
return (-self.mult(nb.id), nb.distp2(goal_sys), depth + 1, nb);
prev.insert(nb.id, sys);
return (-nb.mult, nb.distp2(goal_sys), depth + 1, nb);
}),
);
queue.sort_by(|a, b| fcmp(&a.0, &b.0).then(fcmp(&a.1, &b.1)));
queue.sort_by(|a, b| fcmp(a.0, b.0).then(fcmp(a.1, b.1)));
queue.reverse();
}
}
println!();
println!();
if !found {
eprintln!(
"No route from {} to {} found!",
start_sys_name, goal_sys_name
);
eprintln!("No route from {} to {} found!", src_name, dst_name);
return Vec::new();
}
let points = self.preload_points();
let mut v: Vec<(&System, &Point)> = Vec::new();
let mut prev_sys_id = goal_sys.id;
let mut v: Vec<System> = Vec::new();
let mut curr_sys = goal_sys;
loop {
if let Some(sys) = self.systems.get(&prev_sys_id) {
v.push((sys, points[&sys.id]));
} else {
break;
};
match prev.get(&prev_sys_id) {
Some(sys_id) => prev_sys_id = *sys_id,
v.push(curr_sys.clone());
match prev.get(&curr_sys.id) {
Some(sys) => curr_sys = *sys,
None => {
break;
}
@ -574,18 +596,97 @@ impl Router {
return v;
}
pub fn route_bfs(&self, src: &[f32; 3], dst: &[f32; 3], range: f32) -> Vec<(&System, &Point)> {
pub fn precompute(&mut self, src: &String) {
println!("Precomputing route starting at {} ...", src);
let mut sys_l = self.name_to_systems(src);
sys_l.sort_by_key(|&sys| (sys.mult * 10.0) as u8);
let sys = sys_l.last().unwrap();
let total = self.tree.size() as f32;
let mut prev = FnvHashMap::default();
let mut seen = FnvHashSet::default();
let t_start = Instant::now();
let mut depth = 0;
let mut queue: VecDeque<(usize, &System)> = VecDeque::new();
let mut queue_next: VecDeque<(usize, &System)> = VecDeque::new();
queue.push_front((0, &sys));
seen.insert(sys.id);
while !queue.is_empty() {
print!(
"[{}] Depth: {}, Queue: {}, Seen: {} ({:.02}%) \r",
format_duration(t_start.elapsed()),
depth,
queue.len(),
seen.len(),
((seen.len() * 100) as f32) / total
);
std::io::stdout().flush().unwrap();
while let Some((d, sys)) = queue.pop_front() {
queue_next.extend(
self.neighbours(&sys, self.range)
.filter(|&nb| seen.insert(nb.id))
.map(|nb| {
prev.insert(nb.id, sys.id);
return (d + 1, nb);
}),
);
}
std::mem::swap(&mut queue, &mut queue_next);
depth += 1;
}
self.route_tree = Some(prev);
}
pub fn route_to(&mut self, dst: &str) -> Vec<System> {
let mut id_map: FnvHashMap<u32, &System> = FnvHashMap::default();
let mut id_set: FnvHashSet<u32> = FnvHashSet::default();
let prev = self.route_tree.as_ref().unwrap();
let mut dst = self.name_to_systems(dst);
dst.sort_by_key(|&p| (p.mult * 10.0) as u8);
let dst: System = dst.last().cloned().unwrap().clone();
if !prev.contains_key(&dst.id) {
eprintln!("System-ID {} not found", dst.id);
std::process::exit(1);
};
let mut v_ids: Vec<u32> = Vec::new();
let mut v: Vec<System> = Vec::new();
let mut curr_sys: u32 = dst.id;
loop {
v_ids.push(curr_sys);
id_set.insert(curr_sys);
match prev.get(&curr_sys) {
Some(sys_id) => curr_sys = *sys_id,
None => {
break;
}
}
}
v_ids.reverse();
for sys in &self.tree {
if id_set.contains(&sys.id) {
id_map.insert(sys.id, &sys);
}
}
for sys_id in v_ids {
let sys = *(id_map.get(&sys_id).unwrap());
v.push(sys.clone())
}
return v;
}
pub fn route_bfs(
&self,
src: &(&String, [f32; 3]),
dst: &(&String, [f32; 3]),
range: f32,
) -> Vec<System> {
println!("Running BFS");
let (src_name, src) = src;
let (dst_name, dst) = dst;
let start_sys = self.closest(src);
let goal_sys = self.closest(dst);
let start_sys_name = self.systems.get(&start_sys.id).unwrap().name.clone();
let goal_sys_name = self.systems.get(&goal_sys.id).unwrap().name.clone();
{
let d = dist(src, dst);
println!(
"Plotting route from {} to {}...",
start_sys_name, goal_sys_name
);
println!("Plotting route from {} to {}...", src_name, dst_name);
println!(
"Jump Range: {} Ly, Distance: {} Ly, Theoretical Jumps: {}",
range,
@ -599,8 +700,8 @@ impl Router {
let t_start = Instant::now();
let mut depth = 0;
let mut found = false;
let mut queue: VecDeque<(usize, &Point)> = VecDeque::new();
let mut queue_next: VecDeque<(usize, &Point)> = VecDeque::new();
let mut queue: VecDeque<(usize, &System)> = VecDeque::new();
let mut queue_next: VecDeque<(usize, &System)> = VecDeque::new();
queue.push_front((0, &start_sys));
seen.insert(start_sys.id);
while !(queue.is_empty() || found) {
@ -623,7 +724,7 @@ impl Router {
.filter(|&nb| (self.valid(nb) || (nb.id == goal_sys.id)))
.filter(|&nb| seen.insert(nb.id))
.map(|nb| {
prev.insert(nb.id, sys.id);
prev.insert(nb.id, sys);
return (d + 1, nb);
}),
);
@ -632,24 +733,17 @@ impl Router {
depth += 1;
}
println!();
println!();
if !found {
eprintln!(
"No route from {} to {} found!",
start_sys_name, goal_sys_name
);
eprintln!("No route from {} to {} found!", src_name, dst_name);
return Vec::new();
}
let points = self.preload_points();
let mut v: Vec<(&System, &Point)> = Vec::new();
let mut prev_sys_id = goal_sys.id;
let mut v: Vec<System> = Vec::new();
let mut curr_sys = goal_sys;
loop {
if let Some(sys) = self.systems.get(&prev_sys_id) {
v.push((sys, points[&sys.id]));
} else {
break;
};
match prev.get(&prev_sys_id) {
Some(sys_id) => prev_sys_id = *sys_id,
v.push(curr_sys.clone());
match prev.get(&curr_sys.id) {
Some(sys) => curr_sys = *sys,
None => {
break;
}
@ -661,50 +755,90 @@ impl Router {
}
fn main() {
let opts = Opt::from_args();
let t_start = Instant::now();
let opts = Opts::from_args();
if opts.systems.len() == 0 {
if opts.precomp_file.is_some() {
eprintln!("Error: Please specify exatly one system");
} else {
if opts.precompute {
eprintln!("Error: Please specify at least one system");
} else {
eprintln!("Error: Please specify at least two systems");
}
}
std::process::exit(1);
}
let path = opts.file_path;
let t_load = Instant::now();
let router: Router = Router::new(&path);
println!("Done in {}!", format_duration(t_load.elapsed()));
let t_route = Instant::now();
let route = if opts.permute || opts.full_permute {
router.best_name_multiroute(
&opts.systems,
opts.range,
opts.full_permute,
opts.mode,
opts.factor.unwrap_or(1.0),
)
let mut router: Router = if opts.precomp_file.is_some() {
Router::from_file(&opts.precomp_file.unwrap())
} else {
router.name_multiroute(
&opts.systems,
opts.range,
opts.mode,
opts.factor.unwrap_or(1.0),
)
Router::new(&path, opts.range.unwrap(), opts.primary)
};
println!(
"Done in {} ({} Jumps)!\n",
format_duration(t_route.elapsed()),
route.len(),
);
if route.len() == 0 {
if opts.precompute {
for sys in opts.systems {
router.route_tree = None;
router.precompute(&sys);
let ofn = format!(
"{}_{}{}.router",
sys.replace("*", "").replace(" ", "_"),
opts.range.unwrap(),
if router.primary_only { "_primary" } else { "" }
);
println!("\nSaving to {}", ofn);
let mut out_fh = BufWriter::new(File::create(&ofn).unwrap());
// (range, path, route_tree)
let data = (
router.primary_only,
router.range,
hash_file(&path),
String::from(path.to_str().unwrap()),
router.route_tree.unwrap(),
);
bincode::serialize_into(&mut out_fh, &data).unwrap();
}
std::process::exit(0);
}
let t_route = Instant::now();
let route = if router.route_tree.is_some() {
router.route_to(opts.systems.first().unwrap())
} else {
if opts.permute || opts.full_permute {
router.best_name_multiroute(
&opts.systems,
opts.range.unwrap(),
opts.full_permute,
opts.mode,
opts.factor.unwrap_or(1.0),
)
} else {
router.name_multiroute(
&opts.systems,
opts.range.unwrap(),
opts.mode,
opts.factor.unwrap_or(1.0),
)
}
};
println!("Route computed in {}\n", format_duration(t_route.elapsed()));
if route.is_empty() {
eprintln!("No route found!");
return;
}
let mut total: f32 = 0.0;
for ((sys1, p1), (_, p2)) in route.iter().zip(route.iter().skip(1)) {
let dist = p1.distp(p2);
for (sys1, sys2) in route.iter().zip(route.iter().skip(1)) {
let dist = sys1.distp(sys2);
total += dist;
println!(
"{} [{}] ({},{},{}): {:.2} Ly",
sys1.name, sys1.star_type, p1.x, p1.y, p1.z, dist
"{} [{}] ({},{},{}) [{} Ls]: {:.2} Ly",
sys1.name, sys1.star_type, sys1.pos[0], sys1.pos[1], sys1.pos[2], sys1.distance, dist
);
}
let (sys, p) = route.iter().last().unwrap();
let sys = route.iter().last().unwrap();
println!(
"{} [{}] ({},{},{}): {:.2} Ly",
sys.name, sys.star_type, p.x, p.y, p.z, 0.0
"{} [{}] ({},{},{}) [{} Ls]: {:.2} Ly",
sys.name, sys.star_type, sys.pos[0], sys.pos[1], sys.pos[2], sys.distance, 0.0
);
println!("Total: {:.2} Ly", total);
println!("Total: {:.2} Ly ({} Jumps)", total, route.len());
println!("Total time: {}", format_duration(t_start.elapsed()));
}