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misc fixes

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This commit is contained in:
Amatsugu
2024-09-02 19:53:13 -04:00
parent f98173d00a
commit 9613e3ae0d
4 changed files with 71 additions and 27 deletions
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35
engine/world_generation/src/heightmap.rs
View File

@@ -3,12 +3,12 @@ use core::f32;
use bevy::math::{IVec2, UVec2};
use bevy::prelude::{FloatExt, Vec2};
use bevy::utils::default;
use noise::{NoiseFn, SuperSimplex};
use noise::{NoiseFn, Simplex, SuperSimplex};
use rayon::iter::{IntoParallelIterator, ParallelIterator};
use crate::biome_painter::BiomePainter;
use crate::map::biome_map::{BiomeChunk, BiomeData, BiomeMap};
use crate::prelude::*;
use crate::{map, prelude::*};
pub fn generate_heightmap(cfg: &GenerationConfig, seed: u32, painter: &BiomePainter) -> (Map, BiomeMap) {
let biomes = generate_biomes(cfg, seed, painter);
@@ -74,9 +74,9 @@ pub fn generate_biome_chunk(
data: [BiomeData::default(); Chunk::AREA],
tiles: Vec::with_capacity(Chunk::AREA),
};
let noise_m = SuperSimplex::new(seed + 1);
let noise_t = SuperSimplex::new(seed + 2);
let noise_c = SuperSimplex::new(seed + 3);
let noise_m = Simplex::new(seed + 1);
let noise_t = Simplex::new(seed + 2);
let noise_c = Simplex::new(seed + 3);
for z in 0..Chunk::SIZE {
for x in 0..Chunk::SIZE {
@@ -86,7 +86,8 @@ pub fn generate_biome_chunk(
&cfg.moisture_noise,
&noise_m,
cfg.size.as_vec2(),
0.0,
cfg.border_size,
100.0,
);
let temperature = sample_point(
x as f64 + chunk_x as f64 * Chunk::SIZE as f64,
@@ -94,7 +95,8 @@ pub fn generate_biome_chunk(
&cfg.temperature_noise,
&noise_t,
cfg.size.as_vec2(),
0.0,
cfg.border_size,
50.0,
);
let continentality = sample_point(
x as f64 + chunk_x as f64 * Chunk::SIZE as f64,
@@ -102,6 +104,7 @@ pub fn generate_biome_chunk(
&cfg.continent_noise,
&noise_c,
cfg.size.as_vec2(),
cfg.border_size,
0.0,
);
let data = BiomeData {
@@ -135,6 +138,7 @@ pub fn generate_noise_map(size: UVec2, seed: u32, cfg: &NoiseConfig, border_size
&noise,
size.as_vec2(),
border_size,
0.0,
));
}
return row;
@@ -154,7 +158,7 @@ pub fn generate_chunk(
let mut result: [f32; Chunk::SIZE * Chunk::SIZE] = [0.; Chunk::AREA];
let mut data = [BiomeData::default(); Chunk::AREA];
let mut biome_ids = [0; Chunk::AREA];
let noise = SuperSimplex::new(seed);
let noise = Simplex::new(seed);
let mut min = f32::MAX;
let mut max = f32::MIN;
for z in 0..Chunk::SIZE {
@@ -175,6 +179,7 @@ pub fn generate_chunk(
&noise,
cfg.size.as_vec2(),
cfg.border_size,
0.0,
) * blend;
}
let idx = x + z * Chunk::SIZE;
@@ -199,7 +204,15 @@ pub fn generate_chunk(
};
}
fn sample_point(x: f64, z: f64, cfg: &NoiseConfig, noise: &impl NoiseFn<f64, 2>, size: Vec2, border_size: f32) -> f32 {
fn sample_point(
x: f64,
z: f64,
cfg: &NoiseConfig,
noise: &impl NoiseFn<f64, 2>,
size: Vec2,
border_size: f32,
border_value: f32,
) -> f32 {
let x_s = x / cfg.scale;
let z_s = z / cfg.scale;
@@ -221,7 +234,7 @@ fn sample_point(x: f64, z: f64, cfg: &NoiseConfig, noise: &impl NoiseFn<f64, 2>,
} else {
elevation += value;
}
}
}
if border_size == 0.0 {
return elevation as f32;
@@ -235,7 +248,7 @@ fn sample_point(x: f64, z: f64, cfg: &NoiseConfig, noise: &impl NoiseFn<f64, 2>,
let d2 = od.x.min(od.y);
let d = d1.min(d2).min(border_size).remap(0., border_size, 0., 1.);
return (elevation as f32) * d;
return border_value.lerp(elevation as f32, d);
}
fn mask(mask: f64, value: f64) -> f64 {

12
engine/world_generation/src/map/map_utils.rs
View File

@@ -106,20 +106,20 @@ fn get_height_color_blend(base_color: Hsla, height: f32, height2: f32, smooth: f
return color;
}
pub fn render_biome_noise_map(map: &BiomeMap) -> ImageBuffer<image::Rgba<u8>, Vec<u8>> {
pub fn render_biome_noise_map(map: &BiomeMap, multi: Vec3) -> ImageBuffer<image::Rgba<u8>, Vec<u8>> {
let mut image = ImageBuffer::new(map.width as u32, map.height as u32);
update_biome_noise_map(map, &mut image);
update_biome_noise_map(map, multi, &mut image);
return image;
}
pub fn update_biome_noise_map(map: &BiomeMap, image: &mut ImageBuffer<image::Rgba<u8>, Vec<u8>>) {
pub fn update_biome_noise_map(map: &BiomeMap, multi: Vec3, image: &mut ImageBuffer<image::Rgba<u8>, Vec<u8>>) {
image.par_enumerate_pixels_mut().for_each(|(x, y, pixel)| {
let tile = map.get_biome_data(x as usize, y as usize);
let color = LinearRgba::rgb(
tile.temperature / 100.0,
tile.continentality / 100.0,
tile.moisture / 100.0,
(tile.temperature / 100.0) * multi.x,
(tile.continentality / 100.0) * multi.y,
(tile.moisture / 100.0) * multi.z,
);
*pixel = to_pixel(&color);
});