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multi-threaded generation

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Amatsugu
2024-04-28 21:20:30 -04:00
parent 9de7bc53d0
commit c434b2eab0
6 changed files with 88 additions and 35 deletions
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1
engine/world_generation/Cargo.toml
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@@ -11,3 +11,4 @@ noise = "0.9.0"
serde = {version="1.0.197", features=["derive"]}
serde_json = "1.0.115"
asset_loader = {path = "../asset_loader"}
rayon = "1.10.0"

16
engine/world_generation/src/heightmap.rs
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@@ -1,16 +1,20 @@
use bevy::math::IVec2;
use bevy::prelude::{FloatExt, Vec2};
use noise::{NoiseFn, SuperSimplex};
use rayon::iter::{IntoParallelIterator, ParallelIterator};
use crate::prelude::*;
pub fn generate_heightmap(cfg: &GenerationConfig, seed: u32) -> Map {
let mut chunks: Vec<Chunk> = Vec::with_capacity(cfg.size.length_squared() as usize);
for z in 0..cfg.size.y {
for x in 0..cfg.size.x {
chunks.push(generate_chunk(x as f64, z as f64, cfg, seed));
}
}
// let mut chunks: Vec<Chunk> = Vec::with_capacity(cfg.size.length_squared() as usize);
let chunks = (0..cfg.size.y)
.into_par_iter()
.flat_map(|z| {
(0..cfg.size.x)
.into_par_iter()
.map(move |x| generate_chunk(x as f64, z as f64, cfg, seed))
})
.collect();
return Map {
chunks,
height: cfg.size.y as usize,