135 lines
3.9 KiB
Rust
135 lines
3.9 KiB
Rust
use rayon::iter::ParallelIterator;
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use std::time::Instant;
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use crate::SeededRng;
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use crate::basic::{IntoImage, Table};
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use bevy::asset::{Assets, RenderAssetUsages};
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use bevy::image::{BevyDefault, Image};
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use bevy::input::ButtonInput;
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use bevy::prelude::{Color, Commands, Component, Entity, KeyCode, Query, Res, ResMut, Sprite};
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use bevy::render::render_resource::{Extent3d, TextureDimension, TextureFormat};
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use bevy::tasks::futures_lite::StreamExt;
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use rand::{ RngExt};
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use rand_chacha::ChaCha8Rng;
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use rayon::iter::IntoParallelIterator;
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pub fn update_automation_view(
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query: Query<(&Sprite, &SubPlateAutomation)>,
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mut images: ResMut<Assets<Image>>,
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) {
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if query.is_empty() {
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return;
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}
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let (sprite, automation) = query.iter().next().unwrap();
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let size = automation.world.side as u32;
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let data = automation.world.get_image_data();
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let image = Image::new(
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Extent3d {
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width: size,
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height: size,
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depth_or_array_layers: 1,
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},
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TextureDimension::D2,
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data,
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TextureFormat::bevy_default(),
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RenderAssetUsages::default(),
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);
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images.remove(sprite.image.id());
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images.insert(sprite.image.id(), image).unwrap();
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}
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pub fn update_automation(
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mut query: Query<(&mut SubPlateAutomation, Entity)>,
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mut seeded_rng: ResMut<SeededRng>,
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keys: Res<ButtonInput<KeyCode>>,
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commands: Commands,
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) {
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if query.is_empty() {
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return;
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}
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let (mut automation, _entity) = query.iter_mut().next().unwrap();
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if keys.just_pressed(KeyCode::Space) || keys.all_pressed([KeyCode::Space, KeyCode::ShiftLeft]) {
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let random = &mut seeded_rng.0;
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automation.next(random)
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}
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if keys.just_pressed(KeyCode::AltLeft) {
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let random = &mut seeded_rng.0;
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automation.seed(random);
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}
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if keys.just_pressed(KeyCode::AltRight) {
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automation.smooth();
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}
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}
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#[derive(Component)]
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pub struct SubPlateAutomation {
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pub(crate) world: Table<Color>,
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}
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impl SubPlateAutomation {
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fn next(&mut self, rng: &mut ChaCha8Rng) {
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let time = Instant::now();
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for index in 0..self.world.side * self.world.side {
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let current_color = *self.world.get(index);
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if current_color == Color::BLACK || current_color != Color::WHITE {
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continue;
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}
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if rng.random::<f32>() < 0.7 {
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continue;
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}
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let around = self.world.around_line(index).iter().filter(|v| ***v != Color::WHITE && ***v != Color::BLACK).map(|color| (*color).clone()).collect::<Vec<_>>();
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if around.len() == 0 {
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continue;
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}
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let color = around[rng.random_range(0..around.len())];
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self.world.set(index, color);
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}
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println!("Time elapsed: {:?} ms", time.elapsed().as_millis());
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}
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fn smooth(&mut self) {
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let range = 0..self.world.side * self.world.side;
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let update = range.into_iter().map(|index| {
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let around = self.world.around_line(index);
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let mut counts: Vec<(Color, u8)> = vec![];
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for p in around {
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for count_index in 0..counts.len() {
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if counts[count_index].0 == *p {
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counts[count_index].1 += 1;
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continue
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}
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}
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counts.push((p.clone(), 1));
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}
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counts.iter().max_by_key(|(_, c)| {c}).unwrap().0
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}).collect::<Vec<Color>>();
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self.world.data = update;
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}
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fn seed(&mut self, rng: &mut ChaCha8Rng){
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let len = (self.world.side * self.world.side) as f32;
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loop {
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let index = (rng.random::<f32>() * len) as usize;
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if *self.world.get(index) == Color::BLACK {
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continue;
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}
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self.world.set(index, Color::hsv(rng.random::<f32>() * 360.0, 1.0, 1.0));
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break;
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}
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}
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}
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