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Copyright (c) 2024 mos
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Permission is hereby granted, free of charge, to any person obtaining a copy
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||||
of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
|
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
|
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The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
# bano
|
||||
|
||||
Sokoban solver using genetic algorithms.
|
||||
|
||||
## Description
|
||||
|
||||
bano is a sokoban solver that uses a genetic algorithm to calculate the most
|
||||
optimal solution for a given map. The heuristic approach covered by the tool
|
||||
is twofold and can be described as follows:
|
||||
|
||||
1. Place the boxes in the given goals in as fewer steps as possible. While
|
||||
this is not guaranteed, it can be improved either through subsequent iterations
|
||||
or decreasing the search space (controllable via -d/--ds argument).
|
||||
2. If any box is placed in such a way that the agent can no longer move it, this
|
||||
is considered a losing condition and it is no longer evaluated. The evaluation
|
||||
is scored by calculating the individual box distances and the highest scoring
|
||||
agents end up as a parent to newly bred agents.
|
||||
|
||||
The approach described above is not computationally efficient compared to others and
|
||||
has a tendency to "halt" with more complex problem spaces, therefore it is more suitable
|
||||
for smaller levels. To avoid early convergence one can tune the parameters according to the
|
||||
complexity of the layout.
|
||||
|
||||
## Usage
|
||||
|
||||
`bano --nt 4 -d 4096 -m 256 --ps 8192 < map`
|
||||
|
||||
`bano '8X|4.1@*gX|8X'`
|
||||
|
||||
## Maps
|
||||
|
||||
Some of the maps in the map directory were manually altered and are taken from [here](https://github.com/begoon/sokoban-maps/blob/master/maps/sokoban-maps-60-plain.txt).
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
....XXXXX.............
|
||||
....X...X.............
|
||||
....X*..X.............
|
||||
..XXX..*XXX...........
|
||||
..X..*..*.X...........
|
||||
XXX.X.XXX.X.....XXXXXX
|
||||
X...X.XXX.XXXXXXX..ggX
|
||||
X.*..*.............ggX
|
||||
XXXXX.XXXX.X@XXXX..ggX
|
||||
....X......XXX..XXXXXX
|
||||
....XXXXXXXX..........
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
XXXXXXXXXXXXXXXXXXXXXXXX
|
||||
X............XXXXXXXXXXX
|
||||
X..*.......@.XXXXXXXXXXX
|
||||
XXXXXXXXX..XXXXXXXXXXXXX
|
||||
XXXXXXXXX...*.........gX
|
||||
XXXXXXXXX......XXXXXXXXX
|
||||
XXXXXXXXX...XXXXXXXXXXXX
|
||||
XXXXXXXXX............g.X
|
||||
XXXXXXXXX.....*........X
|
||||
XXXXXXXXX........g.....X
|
||||
XXXXXXXXX.......*....g.X
|
||||
XXXXXXXXXXXXXXXXXXXXXXXX
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
....XXXXX.............
|
||||
....X...X.............
|
||||
....X*..X.............
|
||||
..XXX..*XXX...........
|
||||
..X..*..*.X...........
|
||||
XXX.......X.....XXXXXX
|
||||
X.........XXXXXXX...gX
|
||||
X.*.g*...............X
|
||||
XXXXX.XXXX.X@XXXX....X
|
||||
....X......XXX..XXXXXX
|
||||
....XXXXXXXX..........
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
......XXXXX
|
||||
XXXXXXX.@XX
|
||||
X.....*..XX
|
||||
X...*XX.*XX
|
||||
XX*XgggX.XX
|
||||
.X.*ggg..XX
|
||||
.X.Xg.gX.XX
|
||||
.X...X.X*.X
|
||||
.X*..*....X
|
||||
.X..XXXXXXX
|
||||
.XXXXXXXXXX
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
XXXXXXXXXXXX
|
||||
X.g....XX@XX
|
||||
X..*.......X
|
||||
Xgg...*..*.X
|
||||
Xg.......*.X
|
||||
Xg....*....X
|
||||
XXXX...X.*.X
|
||||
...X.*.X...X
|
||||
...X.......X
|
||||
...X.gXX.g.X
|
||||
...XXXXXXXXX
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
XXXXXXX
|
||||
Xg@.X.X
|
||||
X.*...X
|
||||
X..*..X
|
||||
X.g*..X
|
||||
X.....X
|
||||
XXXXXXX
|
||||
|
|
@ -0,0 +1,564 @@
|
|||
use rayon::prelude::*;
|
||||
use std::ops::{Add, Index, IndexMut, Neg};
|
||||
|
||||
pub enum ReadError {
|
||||
BadSymbol,
|
||||
}
|
||||
|
||||
pub enum Error {
|
||||
Read(ReadError),
|
||||
BadParam(String),
|
||||
BadMove(Pos),
|
||||
}
|
||||
|
||||
#[derive(PartialEq, Copy, Clone)]
|
||||
enum Direction {
|
||||
U,
|
||||
D,
|
||||
L,
|
||||
R,
|
||||
}
|
||||
|
||||
#[derive(PartialEq, Copy, Clone)]
|
||||
enum Cell {
|
||||
Wall,
|
||||
Box,
|
||||
Goal(bool),
|
||||
None,
|
||||
}
|
||||
|
||||
#[derive(PartialEq, Clone)]
|
||||
enum Solution {
|
||||
Ok,
|
||||
Win,
|
||||
None,
|
||||
}
|
||||
|
||||
#[derive(PartialEq, Default, Clone, Copy)]
|
||||
pub struct Pos(isize, isize);
|
||||
|
||||
impl Add for Pos {
|
||||
type Output = Self;
|
||||
|
||||
fn add(self, other: Self) -> Self {
|
||||
Self(self.0 + other.0, self.1 + other.1)
|
||||
}
|
||||
}
|
||||
|
||||
impl Neg for Pos {
|
||||
type Output = Self;
|
||||
|
||||
fn neg(self) -> Self {
|
||||
Self(-self.0, -self.1)
|
||||
}
|
||||
}
|
||||
|
||||
impl std::fmt::Display for Pos {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
write!(f, "{} {}", self.0, self.1)
|
||||
}
|
||||
}
|
||||
|
||||
impl std::fmt::Display for ReadError {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
ReadError::BadSymbol => write!(f, "bad symbol"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl std::fmt::Display for Error {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
Error::Read(e) => write!(f, "{e}"),
|
||||
Error::BadParam(s) => write!(f, "{s}"),
|
||||
Error::BadMove(pos) => write!(f, "invalid move ({pos})"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Default)]
|
||||
struct Level {
|
||||
size: Pos,
|
||||
player: Pos,
|
||||
map: Vec<Cell>,
|
||||
}
|
||||
|
||||
impl Index<Pos> for Level {
|
||||
type Output = Cell;
|
||||
|
||||
fn index(&self, pos: Pos) -> &Self::Output {
|
||||
&self.map[((pos.1 * self.size.0) + pos.0) as usize]
|
||||
}
|
||||
}
|
||||
|
||||
impl IndexMut<Pos> for Level {
|
||||
fn index_mut(&mut self, pos: Pos) -> &mut Self::Output {
|
||||
&mut self.map[((pos.1 * self.size.0) + pos.0) as usize]
|
||||
}
|
||||
}
|
||||
|
||||
impl std::fmt::Display for Level {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
for i in 0..self.size.1 {
|
||||
for j in 0..self.size.0 {
|
||||
if Pos(j, i) == self.player {
|
||||
write!(f, "@")?;
|
||||
} else {
|
||||
write!(
|
||||
f,
|
||||
"{}",
|
||||
match self[Pos(j, i)] {
|
||||
Cell::Wall => 'X',
|
||||
Cell::Box => '*',
|
||||
Cell::Goal(true) => '!',
|
||||
Cell::Goal(false) => '.',
|
||||
Cell::None => ' ',
|
||||
}
|
||||
)?;
|
||||
}
|
||||
}
|
||||
writeln!(f)?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
impl Level {
|
||||
fn read<R: std::io::BufRead>(file: R) -> Result<Self, ReadError> {
|
||||
let (mut player, mut size) = (Pos::default(), Pos::default());
|
||||
|
||||
let map = file
|
||||
.lines()
|
||||
.flat_map(|l| {
|
||||
let l = l.unwrap();
|
||||
|
||||
if l.len() > size.0 as usize {
|
||||
size.0 = l.len() as isize;
|
||||
}
|
||||
|
||||
size.1 += 1;
|
||||
l.char_indices()
|
||||
.map(|(i, c)| match c {
|
||||
'@' => {
|
||||
player.0 = i as isize;
|
||||
player.1 = size.1 - 1;
|
||||
Ok(Cell::None)
|
||||
}
|
||||
'X' => Ok(Cell::Wall),
|
||||
'*' => Ok(Cell::Box),
|
||||
'g' => Ok(Cell::Goal(false)),
|
||||
'.' => Ok(Cell::None),
|
||||
_ => Err(ReadError::BadSymbol),
|
||||
})
|
||||
.collect::<Vec<Result<_, _>>>()
|
||||
})
|
||||
.collect::<Result<Vec<_>, _>>()?;
|
||||
Ok(Self { size, player, map })
|
||||
}
|
||||
|
||||
fn read_rle(map: String) -> Result<Self, ReadError> {
|
||||
let mut n: usize = 1;
|
||||
|
||||
Self::read(
|
||||
map.chars()
|
||||
.filter_map(|c| match c {
|
||||
'0'..='9' => {
|
||||
n = c.to_digit(10).unwrap() as usize;
|
||||
None
|
||||
}
|
||||
'|' => Some("\n".into()),
|
||||
_ => Some(c.to_string().repeat(n)),
|
||||
})
|
||||
.collect::<Vec<String>>()
|
||||
.join("")
|
||||
.as_bytes(),
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Default)]
|
||||
struct State {
|
||||
lvl: Level,
|
||||
}
|
||||
|
||||
impl State {
|
||||
fn new(lvl: Level) -> Self {
|
||||
State { lvl }
|
||||
}
|
||||
|
||||
fn toggle_box(&mut self, pos: Pos) {
|
||||
self.lvl[pos] = if self.lvl[pos] == Cell::Goal(true) {
|
||||
Cell::Goal(false)
|
||||
} else {
|
||||
Cell::None
|
||||
};
|
||||
}
|
||||
|
||||
fn move_pos(&mut self, pos: Pos) -> Result<(bool, bool), Error> {
|
||||
let dpos = self.lvl.player + pos;
|
||||
|
||||
if ((dpos.1 * self.lvl.size.0) + dpos.0) as usize >= self.lvl.map.len() {
|
||||
return Err(Error::BadMove(dpos));
|
||||
}
|
||||
|
||||
match self.lvl[dpos] {
|
||||
Cell::None | Cell::Goal(false) => self.lvl.player = dpos,
|
||||
Cell::Box | Cell::Goal(true) => {
|
||||
let bpos = dpos + pos;
|
||||
|
||||
match self.lvl[bpos] {
|
||||
Cell::None => {
|
||||
self.toggle_box(dpos);
|
||||
self.lvl[bpos] = Cell::Box;
|
||||
self.lvl.player = dpos;
|
||||
return Ok((false, false));
|
||||
}
|
||||
Cell::Goal(false) => {
|
||||
self.toggle_box(dpos);
|
||||
self.lvl[bpos] = Cell::Goal(true);
|
||||
self.lvl.player = dpos;
|
||||
return Ok((true, false));
|
||||
}
|
||||
_ => return Ok((false, true)),
|
||||
}
|
||||
}
|
||||
_ => return Ok((false, true)),
|
||||
}
|
||||
|
||||
Ok((false, false))
|
||||
}
|
||||
|
||||
fn move_dir(&mut self, dir: Direction) -> Result<(bool, bool), Error> {
|
||||
match dir {
|
||||
Direction::U => self.move_pos(Pos(0, -1)),
|
||||
Direction::D => self.move_pos(Pos(0, 1)),
|
||||
Direction::L => self.move_pos(Pos(-1, 0)),
|
||||
Direction::R => self.move_pos(Pos(1, 0)),
|
||||
}
|
||||
}
|
||||
|
||||
fn test_box(&self, pos: Pos, bt: bool) -> bool {
|
||||
let dir: &[Pos] = &[Pos(0, -1), Pos(0, 1), Pos(-1, 0), Pos(1, 0)];
|
||||
let mut mbc = 0;
|
||||
|
||||
for i in dir {
|
||||
match self.lvl[pos + *i] {
|
||||
Cell::Goal(false) | Cell::None => {
|
||||
let dpos = pos + -*i;
|
||||
|
||||
match self.lvl[dpos] {
|
||||
Cell::Goal(false) | Cell::None => mbc += 1,
|
||||
Cell::Box => {
|
||||
if bt {
|
||||
mbc += self.test_box(dpos, false) as usize
|
||||
}
|
||||
}
|
||||
_ => (),
|
||||
}
|
||||
}
|
||||
_ => (),
|
||||
}
|
||||
}
|
||||
|
||||
mbc != 0
|
||||
}
|
||||
|
||||
fn dist_box(&self, pos: Pos) -> usize {
|
||||
let mut d = 0;
|
||||
|
||||
for i in 0..self.lvl.size.1 {
|
||||
for j in 0..self.lvl.size.0 {
|
||||
if self.lvl[Pos(j, i)] == Cell::Goal(false) {
|
||||
d += ((j as i32 - pos.0 as i32).abs() + (i as i32 - pos.1 as i32).abs())
|
||||
as usize;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
d
|
||||
}
|
||||
|
||||
fn dist_boxes(&self) -> usize {
|
||||
let (mut max, mut rb) = (0, 0);
|
||||
|
||||
for i in 0..self.lvl.size.1 {
|
||||
for j in 0..self.lvl.size.0 {
|
||||
if self.lvl[Pos(j, i)] == Cell::Box {
|
||||
max += self.dist_box(Pos(j, i));
|
||||
rb += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
max * rb
|
||||
}
|
||||
|
||||
fn evaluate(&self) -> Solution {
|
||||
let mut cond = Solution::Win;
|
||||
|
||||
for i in 0..self.lvl.size.1 {
|
||||
for j in 0..self.lvl.size.0 {
|
||||
match self.lvl[Pos(j, i)] {
|
||||
Cell::Goal(false) => cond = Solution::Ok,
|
||||
Cell::Box => {
|
||||
if !self.test_box(Pos(j, i), true) {
|
||||
return Solution::None;
|
||||
}
|
||||
}
|
||||
_ => (),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
cond
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
struct Agent {
|
||||
state: State,
|
||||
dna: Vec<Direction>,
|
||||
score: f32,
|
||||
dir: usize,
|
||||
goal: Solution,
|
||||
}
|
||||
|
||||
impl Agent {
|
||||
const DIR_TABLE: &'static [Direction] =
|
||||
&[Direction::U, Direction::D, Direction::L, Direction::R];
|
||||
|
||||
fn chromo() -> Direction {
|
||||
Self::DIR_TABLE[rand::random::<usize>() % Self::DIR_TABLE.len()]
|
||||
}
|
||||
|
||||
fn with_dna(state: State, dna: Vec<Direction>) -> Self {
|
||||
Self {
|
||||
state,
|
||||
dna,
|
||||
score: 0.0,
|
||||
dir: 0,
|
||||
goal: Solution::Ok,
|
||||
}
|
||||
}
|
||||
|
||||
fn new(state: State, size: usize) -> Self {
|
||||
let dna: Vec<Direction> = (0..size).map(|_| Self::chromo()).collect();
|
||||
|
||||
Self::with_dna(state, dna)
|
||||
}
|
||||
|
||||
fn cross(&mut self, seed: &Self, cr: usize) {
|
||||
let ratio = (rand::random::<usize>() % cr) + 1;
|
||||
let len = self.dna.len();
|
||||
|
||||
self.dna[..len / ratio].copy_from_slice(&seed.dna[..len / ratio]);
|
||||
}
|
||||
|
||||
fn mutate(&mut self, max: usize) {
|
||||
let len = self.dna.len();
|
||||
let ni = rand::random::<usize>() % max;
|
||||
let nd = rand::random::<usize>() % len;
|
||||
|
||||
for x in 0..ni {
|
||||
self.dna[(nd + x) % len] = Agent::chromo();
|
||||
}
|
||||
}
|
||||
|
||||
fn move_dna(&mut self) -> Result<Solution, Error> {
|
||||
if self.dir == self.dna.len() || self.goal == Solution::None {
|
||||
Ok(Solution::None)
|
||||
} else {
|
||||
let (mb, hit) = self.state.move_dir(self.dna[self.dir])?;
|
||||
|
||||
if mb {
|
||||
self.score += 0.00021;
|
||||
}
|
||||
|
||||
if hit {
|
||||
self.score -= 0.00080;
|
||||
}
|
||||
|
||||
self.dir += 1;
|
||||
Ok(self.state.evaluate())
|
||||
}
|
||||
}
|
||||
|
||||
fn evaluate(&mut self) -> Result<(), Error> {
|
||||
loop {
|
||||
let player = self.state.lvl.player;
|
||||
|
||||
match self.move_dna()? {
|
||||
Solution::Ok => (),
|
||||
Solution::Win => {
|
||||
self.score += 100000.0;
|
||||
self.goal = Solution::Win;
|
||||
break;
|
||||
}
|
||||
Solution::None => {
|
||||
self.score -= 0.0032;
|
||||
self.goal = Solution::None;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if player == self.state.lvl.player {
|
||||
self.score -= 0.0010;
|
||||
}
|
||||
}
|
||||
|
||||
self.score -= 1024.0 + self.state.dist_boxes() as f32;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn solution(&self) -> String {
|
||||
(0..self.dir)
|
||||
.map(|i| match self.dna[i] {
|
||||
Direction::U => "U",
|
||||
Direction::D => "D",
|
||||
Direction::L => "L",
|
||||
Direction::R => "R",
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
}
|
||||
|
||||
struct Population {
|
||||
gen: usize,
|
||||
epop_max: usize,
|
||||
mut_max: usize,
|
||||
cross_ratio: usize,
|
||||
map: Level,
|
||||
life: Vec<Agent>,
|
||||
}
|
||||
|
||||
pub struct Config {
|
||||
pub num_threads: usize,
|
||||
pub dna_size: usize,
|
||||
pub pop_size: usize,
|
||||
pub epop_max: usize,
|
||||
pub mut_max: usize,
|
||||
pub gen_max: usize,
|
||||
pub gen_depth: usize,
|
||||
pub cross_ratio: usize,
|
||||
pub map_output: bool,
|
||||
}
|
||||
|
||||
impl Population {
|
||||
fn new(config: &Config, map: Level) -> Self {
|
||||
let life: Vec<Agent> = (0..config.pop_size)
|
||||
.map(|_| Agent::new(State::new(map.clone()), config.dna_size))
|
||||
.collect();
|
||||
|
||||
Self {
|
||||
gen: 0,
|
||||
epop_max: config.epop_max,
|
||||
mut_max: config.mut_max,
|
||||
cross_ratio: config.cross_ratio,
|
||||
map,
|
||||
life,
|
||||
}
|
||||
}
|
||||
|
||||
fn step(&mut self) -> Result<(), Error> {
|
||||
self.life
|
||||
.par_iter_mut()
|
||||
.map(|a| a.evaluate())
|
||||
.collect::<Result<Vec<()>, _>>()?;
|
||||
self.life.par_sort_by(|a, b| b.score.total_cmp(&a.score));
|
||||
|
||||
if self.life[0].goal != Solution::Win {
|
||||
let epop: Vec<Agent> = (0..self.epop_max)
|
||||
.map(|i| {
|
||||
let mut a = self.life[i].clone();
|
||||
|
||||
a.cross(
|
||||
if i % 2 == 0 {
|
||||
&self.life[(i + 1) % self.epop_max]
|
||||
} else {
|
||||
&self.life[(i - 1) % self.epop_max]
|
||||
},
|
||||
self.cross_ratio,
|
||||
);
|
||||
a
|
||||
})
|
||||
.collect();
|
||||
|
||||
for i in epop.len()..self.life.len() {
|
||||
let mut next = Agent::with_dna(
|
||||
State::new(self.map.clone()),
|
||||
if i % 2 == 0 {
|
||||
epop[i % self.epop_max].dna.clone()
|
||||
} else {
|
||||
epop[(i + 1) % self.epop_max].dna.clone()
|
||||
},
|
||||
);
|
||||
|
||||
next.mutate(self.mut_max);
|
||||
self.life[i] = next;
|
||||
}
|
||||
}
|
||||
|
||||
self.gen += 1;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
pub fn run(config: Config, rle: Option<String>) -> Result<(), Error> {
|
||||
rayon::ThreadPoolBuilder::new()
|
||||
.num_threads(config.num_threads)
|
||||
.build_global()
|
||||
.unwrap();
|
||||
|
||||
if config.pop_size == 0 {
|
||||
return Err(Error::BadParam("population size cannot be 0".into()));
|
||||
}
|
||||
|
||||
if config.mut_max > config.dna_size {
|
||||
return Err(Error::BadParam("mutation length too large".into()));
|
||||
}
|
||||
|
||||
if config.cross_ratio == 0 {
|
||||
return Err(Error::BadParam("crossover ratio cannot be 0".into()));
|
||||
}
|
||||
|
||||
let map = if let Some(rle) = rle {
|
||||
Level::read_rle(rle)
|
||||
} else {
|
||||
Level::read(std::io::stdin().lock())
|
||||
}
|
||||
.map_err(Error::Read)?;
|
||||
|
||||
let mut agents: Vec<Agent> = Vec::new();
|
||||
|
||||
for _ in 0..config.gen_depth {
|
||||
let mut pop = Population::new(&config, map.clone());
|
||||
|
||||
if let Some(agent) = || -> Result<Option<Agent>, Error> {
|
||||
while pop.gen < config.gen_max {
|
||||
pop.step()?;
|
||||
|
||||
if config.map_output {
|
||||
print!("{}", pop.life[0].state.lvl);
|
||||
}
|
||||
|
||||
println!("gen {} score {}", pop.gen, pop.life[0].score);
|
||||
if pop.life[0].goal == Solution::Win {
|
||||
return Ok(Some(pop.life[0].clone()));
|
||||
}
|
||||
}
|
||||
|
||||
Ok(None)
|
||||
}()? {
|
||||
agents.push(agent);
|
||||
}
|
||||
}
|
||||
|
||||
agents.par_sort_by_key(|a| a.dir);
|
||||
|
||||
if !agents.is_empty() {
|
||||
println!("{}", agents[0].solution());
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
use clap::Parser;
|
||||
|
||||
#[derive(Parser)]
|
||||
struct Args {
|
||||
/// Number of threads
|
||||
#[arg(short, long, default_value_t = 2)]
|
||||
nt: usize,
|
||||
|
||||
/// DNA strand size (increases search space)
|
||||
#[arg(short, long, default_value_t = 1024)]
|
||||
ds: usize,
|
||||
|
||||
/// Population size
|
||||
#[arg(long, default_value_t = 1024)]
|
||||
ps: usize,
|
||||
|
||||
/// Elite population max size
|
||||
#[arg(short, long, default_value_t = 128)]
|
||||
em: usize,
|
||||
|
||||
/// Maximum mutation length
|
||||
#[arg(short, long, default_value_t = 32)]
|
||||
mt: usize,
|
||||
|
||||
/// Maximum ratio for crossover reproduction
|
||||
#[arg(long, default_value_t = 341)]
|
||||
cr: usize,
|
||||
|
||||
/// Maximum generations until next iteration
|
||||
#[arg(long, default_value_t = 1048576)]
|
||||
gm: usize,
|
||||
|
||||
/// Generation iteration depth
|
||||
#[arg(long, default_value_t = 1)]
|
||||
gd: usize,
|
||||
|
||||
/// Print map for each generation
|
||||
#[arg(short, default_value_t = false)]
|
||||
verbose: bool,
|
||||
|
||||
/// Run-length encoded map
|
||||
map: Option<String>,
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let args = Args::parse();
|
||||
|
||||
if let Err(e) = bano::run(
|
||||
bano::Config {
|
||||
num_threads: args.nt,
|
||||
dna_size: args.ds,
|
||||
pop_size: args.ps,
|
||||
epop_max: args.em,
|
||||
mut_max: args.mt,
|
||||
gen_max: args.gm,
|
||||
gen_depth: args.gd,
|
||||
cross_ratio: args.cr,
|
||||
map_output: args.verbose,
|
||||
},
|
||||
args.map,
|
||||
) {
|
||||
eprintln!("error: {e}");
|
||||
std::process::exit(1);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue