New modular biomes system and updated world generator

This commit is contained in:
2024-07-06 20:41:50 -04:00
parent e6e969f053
commit 97f2497940
16 changed files with 341 additions and 190 deletions

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@@ -1,7 +1,7 @@
use asset_loader::create_asset_loader; use asset_loader::create_asset_loader;
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use crate::{prelude::GeneratorLayer, tile_mapper::TileMapperAsset}; use crate::{prelude::NoiseConfig, tile_mapper::TileMapperAsset};
#[derive(Serialize, Deserialize, Asset, TypePath, Debug, Clone)] #[derive(Serialize, Deserialize, Asset, TypePath, Debug, Clone)]
pub struct BiomeAsset { pub struct BiomeAsset {
@@ -12,17 +12,13 @@ pub struct BiomeAsset {
#[serde(skip)] #[serde(skip)]
pub tile_mapper: Handle<TileMapperAsset>, pub tile_mapper: Handle<TileMapperAsset>,
pub tile_mapper_path: String, pub tile_mapper_path: String,
pub generator_layers: Vec<GeneratorLayer>, pub noise: NoiseConfig,
} }
impl BiomeAsset { impl BiomeAsset {
pub fn distance(&self, moisture: f32, temperature: f32, continentality: f32) -> f32 { pub fn distance(&self, data: Vec3) -> f32 {
let a = Vec3::new( let a = Vec3::new(self.moisture, self.temperature, self.continentality);
self.moisture - moisture, return (a - data).length();
self.temperature - temperature,
self.continentality - continentality,
);
return a.length();
} }
} }

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@@ -6,7 +6,7 @@ use bevy::{
}; };
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use crate::biome_asset::BiomeAsset; use crate::{biome_asset::BiomeAsset, map::biome_map::BiomeData};
#[derive(Serialize, Deserialize, Debug, TypePath, Asset, Clone)] #[derive(Serialize, Deserialize, Debug, TypePath, Asset, Clone)]
pub struct BiomePainterAsset { pub struct BiomePainterAsset {
@@ -16,20 +16,14 @@ pub struct BiomePainterAsset {
} }
impl BiomePainterAsset { impl BiomePainterAsset {
pub fn sample_biome( pub fn sample_biome(&self, assets: &Assets<BiomeAsset>, data: &BiomeData) -> Handle<BiomeAsset> {
&self,
assets: &Assets<BiomeAsset>,
moisture: f32,
temperature: f32,
continentality: f32,
) -> Handle<BiomeAsset> {
assert!(self.biomes.length() != 0, "There are no biomes"); assert!(self.biomes.length() != 0, "There are no biomes");
let mut biome = self.biomes.first().unwrap().clone(); let mut biome = self.biomes.first().unwrap().clone();
let mut dist = f32::INFINITY; let mut dist = f32::INFINITY;
for b in &self.biomes { for b in &self.biomes {
let asset = assets.get(b).unwrap(); let asset = assets.get(b).unwrap();
let d = asset.distance(moisture, temperature, continentality); let d = asset.distance(data.into());
if d < dist { if d < dist {
biome = b.clone(); biome = b.clone();
dist = d; dist = d;
@@ -38,6 +32,38 @@ impl BiomePainterAsset {
return biome; return biome;
} }
pub fn build(&self, assets: &Assets<BiomeAsset>) -> BiomePainter {
let mut biomes = Vec::with_capacity(self.biomes.len());
for b in &self.biomes {
let asset = assets.get(b.clone()).unwrap();
biomes.push(asset.clone());
}
return BiomePainter { biomes };
}
}
#[derive(Resource)]
pub struct BiomePainter {
pub biomes: Vec<BiomeAsset>,
}
impl BiomePainter {
pub fn sample_biome(&self, data: &BiomeData) -> &BiomeAsset {
assert!(self.biomes.length() != 0, "There are no biomes");
let mut biome = &self.biomes[0];
let mut dist = f32::INFINITY;
for b in &self.biomes {
let d = b.distance(data.into());
if d < dist {
biome = b;
dist = d;
}
}
return biome;
}
} }
create_asset_loader!( create_asset_loader!(

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@@ -27,14 +27,11 @@ pub fn generate_packed_chunk_mesh(
for z in 0..Chunk::SIZE { for z in 0..Chunk::SIZE {
for x in 0..Chunk::SIZE { for x in 0..Chunk::SIZE {
let height = chunk.heights[x + z * Chunk::SIZE]; let height = chunk.heights[x + z * Chunk::SIZE];
let moisture = chunk.moisture[x + z * Chunk::SIZE]; let data = chunk.biome_data[x + z * Chunk::SIZE];
let temperature = chunk.temperature[x + z * Chunk::SIZE];
let coord = let coord =
HexCoord::from_offset(IVec2::new(x as i32, z as i32) + (chunk.chunk_offset * Chunk::SIZE as i32)); HexCoord::from_offset(IVec2::new(x as i32, z as i32) + (chunk.chunk_offset * Chunk::SIZE as i32));
let n = map.get_neighbors(&coord); let n = map.get_neighbors(&coord);
let biome = biomes let biome = biomes.get(painter.sample_biome(biomes, &data)).unwrap();
.get(painter.sample_biome(biomes, moisture, temperature, 1.))
.unwrap();
let mapper = mappers.get(biome.tile_mapper.clone()); let mapper = mappers.get(biome.tile_mapper.clone());
let tile_handle = mapper.unwrap().sample_tile(height); let tile_handle = mapper.unwrap().sample_tile(height);

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@@ -1,19 +1,24 @@
use bevy::math::IVec2; use bevy::math::IVec2;
use bevy::prelude::{FloatExt, Vec2}; use bevy::prelude::{FloatExt, Vec2};
use bevy::utils::default; use bevy::utils::default;
use bevy::utils::petgraph::data;
use noise::{NoiseFn, SuperSimplex}; use noise::{NoiseFn, SuperSimplex};
use rayon::iter::{IntoParallelIterator, ParallelIterator}; use rayon::iter::{IntoParallelIterator, ParallelIterator};
use crate::biome_painter::{self, BiomePainter};
use crate::map::biome_map::{self, BiomeChunk, BiomeData, BiomeMap};
use crate::prelude::*; use crate::prelude::*;
pub fn generate_heightmap(cfg: &GenerationConfig, seed: u32) -> Map { pub fn generate_heightmap(cfg: &GenerationConfig, seed: u32, painter: &BiomePainter) -> Map {
let biomes = &generate_biomes(cfg, seed);
// let mut chunks: Vec<Chunk> = Vec::with_capacity(cfg.size.length_squared() as usize); // let mut chunks: Vec<Chunk> = Vec::with_capacity(cfg.size.length_squared() as usize);
let chunks = (0..cfg.size.y) let chunks = (0..cfg.size.y)
.into_par_iter() .into_par_iter()
.flat_map(|z| { .flat_map(|z| {
(0..cfg.size.x) (0..cfg.size.x).into_par_iter().map(move |x| {
.into_par_iter() let biome_chunk = &biomes.chunks[x as usize + z as usize * cfg.size.x as usize];
.map(move |x| generate_chunk(x as f64, z as f64, cfg, seed)) return generate_chunk(x, z, cfg, seed, &biome_chunk, painter);
})
}) })
.collect(); .collect();
return Map { return Map {
@@ -24,49 +29,104 @@ pub fn generate_heightmap(cfg: &GenerationConfig, seed: u32) -> Map {
}; };
} }
pub fn generate_chunk(chunk_x: f64, chunk_z: f64, cfg: &GenerationConfig, seed: u32) -> Chunk { pub fn generate_biomes(cfg: &GenerationConfig, seed: u32) -> BiomeMap {
let mut map = BiomeMap::new(cfg.size, 8);
map.chunks = (0..cfg.size.y)
.into_par_iter()
.flat_map(|y| {
(0..cfg.size.x).into_par_iter().map(move |x| {
return generate_biome_chunk(x as usize, y as usize, cfg, seed);
})
})
.collect();
map.blend(cfg.biome_blend);
return map;
}
pub fn generate_biome_chunk(chunk_x: usize, chunk_y: usize, cfg: &GenerationConfig, seed: u32) -> BiomeChunk {
let mut chunk = BiomeChunk {
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);
for z in 0..Chunk::SIZE {
for x in 0..Chunk::SIZE {
let moisture = sample_point(
x as f64 + chunk_x as f64 * Chunk::SIZE as f64,
z as f64 + chunk_y as f64 * Chunk::SIZE as f64,
&cfg.moisture_layer,
&noise_m,
cfg.size.as_vec2(),
cfg.border_size,
);
let temperature = sample_point(
x as f64 + chunk_x as f64 * Chunk::SIZE as f64,
z as f64 + chunk_y as f64 * Chunk::SIZE as f64,
&cfg.temperature_layer,
&noise_t,
cfg.size.as_vec2(),
cfg.border_size,
);
let continentality = sample_point(
x as f64 + chunk_x as f64 * Chunk::SIZE as f64,
z as f64 + chunk_y as f64 * Chunk::SIZE as f64,
&cfg.continent_layer,
&noise_c,
cfg.size.as_vec2(),
cfg.border_size,
);
chunk.data[x + z * Chunk::SIZE] = BiomeData {
moisture,
temperature,
continentality,
};
}
}
return chunk;
}
pub fn generate_chunk(
chunk_x: u32,
chunk_z: u32,
cfg: &GenerationConfig,
seed: u32,
biome_chunk: &BiomeChunk,
biome_painter: &BiomePainter,
) -> Chunk {
let mut result: [f32; Chunk::SIZE * Chunk::SIZE] = [0.; Chunk::SIZE * Chunk::SIZE]; let mut result: [f32; Chunk::SIZE * Chunk::SIZE] = [0.; Chunk::SIZE * Chunk::SIZE];
let mut moisture = [0.; Chunk::SIZE * Chunk::SIZE]; let mut data = [BiomeData::default(); Chunk::SIZE * Chunk::SIZE];
let mut temp = [0.; Chunk::SIZE * Chunk::SIZE];
let noise = SuperSimplex::new(seed); let noise = SuperSimplex::new(seed);
for z in 0..Chunk::SIZE { for z in 0..Chunk::SIZE {
for x in 0..Chunk::SIZE { for x in 0..Chunk::SIZE {
let biome_data = biome_chunk.get_biome_data(x, z);
let biome = biome_painter.sample_biome(biome_data);
let sample = sample_point( let sample = sample_point(
x as f64 + chunk_x * Chunk::SIZE as f64, x as f64 + chunk_x as f64 * Chunk::SIZE as f64,
z as f64 + chunk_z * Chunk::SIZE as f64, z as f64 + chunk_z as f64 * Chunk::SIZE as f64,
&cfg, &biome.noise,
&noise, &noise,
cfg.size.as_vec2(),
cfg.border_size,
); );
result[x + z * Chunk::SIZE] = sample; result[x + z * Chunk::SIZE] = sample;
moisture[x + z * Chunk::SIZE] = noise.get([ data[x + z * Chunk::SIZE] = biome_data.clone();
(x as f64 + chunk_x * Chunk::SIZE as f64) / &cfg.noise_scale,
(z as f64 + chunk_z * Chunk::SIZE as f64) / &cfg.noise_scale,
]) as f32;
temp[x + z * Chunk::SIZE] =
sample_tempurature(z as f32 + chunk_z as f32 * Chunk::SIZE as f32, sample, &cfg, 100.);
} }
} }
return Chunk { return Chunk {
heights: result, heights: result,
moisture: moisture, biome_data: data,
temperature: temp,
chunk_offset: IVec2::new(chunk_x as i32, chunk_z as i32), chunk_offset: IVec2::new(chunk_x as i32, chunk_z as i32),
..default() ..default()
}; };
} }
fn sample_tempurature(z: f32, height: f32, cfg: &GenerationConfig, equator: f32) -> f32 { fn sample_point(x: f64, z: f64, cfg: &NoiseConfig, noise: &impl NoiseFn<f64, 2>, size: Vec2, border_size: f32) -> f32 {
let d = (equator - z).abs(); let x_s = x / cfg.scale;
let max_d = equator.max(cfg.get_total_height() as f32 - equator); let z_s = z / cfg.scale;
let t_mod = d.remap(0., max_d, 0., 1.).clamp(0., 1.);
// let max_d = d.max()
return (height.remap(0., 50., 0., 1.).clamp(0., 1.) + t_mod) / 2.;
}
fn sample_point(x: f64, z: f64, cfg: &GenerationConfig, noise: &impl NoiseFn<f64, 2>) -> f32 {
let x_s = x / cfg.noise_scale;
let z_s = z / cfg.noise_scale;
let mut elevation: f64 = 0.; let mut elevation: f64 = 0.;
let mut first_layer: f64 = 0.; let mut first_layer: f64 = 0.;
@@ -82,26 +142,25 @@ fn sample_point(x: f64, z: f64, cfg: &GenerationConfig, noise: &impl NoiseFn<f64
first_layer = value; first_layer = value;
} }
if layer.first_layer_mask { if layer.first_layer_mask {
elevation += mask(first_layer, value, cfg.sea_level); elevation += mask(first_layer, value);
} else { } else {
elevation += value; elevation += value;
} }
} }
let outer = cfg.size.as_vec2() * Chunk::SIZE as f32; let outer = size * Chunk::SIZE as f32;
let p = Vec2::new(x as f32, z as f32); let p = Vec2::new(x as f32, z as f32);
let d1 = p.x.min(p.y); let d1 = p.x.min(p.y);
let od = outer - p; let od = outer - p;
let d2 = od.x.min(od.y); let d2 = od.x.min(od.y);
let d = d1.min(d2).min(cfg.border_size).remap(0., cfg.border_size, 0., 1.); let d = d1.min(d2).min(border_size).remap(0., border_size, 0., 1.);
return (elevation as f32) * d; return (elevation as f32) * d;
} }
fn mask(mask: f64, value: f64, sea_level: f64) -> f64 { fn mask(mask: f64, value: f64) -> f64 {
let m = (mask - sea_level).max(0.); return value * mask;
return value * m;
} }
fn sample_simple(x: f64, z: f64, cfg: &GeneratorLayer, noise: &impl NoiseFn<f64, 2>) -> f64 { fn sample_simple(x: f64, z: f64, cfg: &GeneratorLayer, noise: &impl NoiseFn<f64, 2>) -> f64 {

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@@ -1,5 +1,5 @@
use bevy::math::UVec2; use bevy::math::{UVec2, Vec3};
use rayon::iter::{IntoParallelIterator, IntoParallelRefIterator, ParallelIterator}; use rayon::iter::{IntoParallelIterator, ParallelIterator};
use super::chunk::Chunk; use super::chunk::Chunk;
@@ -7,16 +7,36 @@ pub struct BiomeMap {
pub height: usize, pub height: usize,
pub width: usize, pub width: usize,
pub biome_count: usize, pub biome_count: usize,
pub tiles: Vec<Vec<f32>>, pub chunks: Vec<BiomeChunk>,
}
#[derive(Default, Clone, Copy)]
pub struct BiomeData {
pub moisture: f32,
pub temperature: f32,
pub continentality: f32,
}
impl Into<Vec3> for &BiomeData {
fn into(self) -> Vec3 {
return Vec3::new(self.moisture, self.temperature, self.continentality);
}
}
impl Into<Vec3> for BiomeData {
fn into(self) -> Vec3 {
return Vec3::new(self.moisture, self.temperature, self.continentality);
}
} }
impl BiomeMap { impl BiomeMap {
pub fn new(size: UVec2, biome_count: usize) -> Self { pub fn new(size: UVec2, biome_count: usize) -> Self {
let len = size.x as usize * size.y as usize * Chunk::AREA;
return BiomeMap { return BiomeMap {
height: size.y as usize * Chunk::SIZE, height: size.y as usize * Chunk::SIZE,
width: size.x as usize * Chunk::SIZE, width: size.x as usize * Chunk::SIZE,
biome_count, biome_count,
tiles: Vec::with_capacity(size.x as usize * size.y as usize * Chunk::AREA), chunks: Vec::with_capacity(len),
}; };
} }
@@ -28,35 +48,44 @@ impl BiomeMap {
} }
fn blend_once(&mut self) { fn blend_once(&mut self) {
let t: Vec<_> = (0..self.height) let c: Vec<BiomeChunk> = (0..self.chunks.len())
.into_par_iter() .into_par_iter()
.map(|y| { .map(|i| &self.chunks[i])
let mut new_tiles = Vec::with_capacity(self.width); .map(|chunk| {
for x in 0..self.width { let tiles: Vec<_> = (0..Chunk::SIZE)
let kernel = self.get_kernel(x as i32, y as i32); .into_par_iter()
let r = kernel .map(|y| {
.iter() let mut new_tiles = Vec::with_capacity(self.width);
.filter_map(|f| *f) for x in 0..Chunk::SIZE {
.fold(vec![0.; self.biome_count], |a, b| { let kernel = self.get_kernel(x as i32, y as i32);
return a.iter().zip(b).map(|v| v.0 + v.1).collect(); let r = kernel
}); .iter()
.filter_map(|f| *f)
.fold(vec![0.; self.biome_count], |a, b| {
return a.iter().zip(b).map(|v| v.0 + v.1).collect();
});
let sum: f32 = r.iter().sum(); let sum: f32 = r.iter().sum();
if sum == 0. { if sum == 0. {
new_tiles.push(vec![0.; self.biome_count]); new_tiles.push(vec![0.; self.biome_count]);
continue; continue;
} }
new_tiles.push(r.iter().map(|f| f / sum).collect()); new_tiles.push(r.iter().map(|f| f / sum).collect());
} }
return new_tiles; return new_tiles;
})
.flatten()
.collect();
return BiomeChunk {
tiles,
data: chunk.data,
};
}) })
.flatten()
.collect(); .collect();
self.chunks = c;
self.tiles = t;
} }
pub fn get_kernel(&self, x: i32, y: i32) -> [Option<&Vec<f32>>; 9] { fn get_kernel(&self, x: i32, y: i32) -> [Option<&Vec<f32>>; 9] {
return [ return [
self.get_biome(x - 1, y - 1), self.get_biome(x - 1, y - 1),
self.get_biome(x, y - 1), self.get_biome(x, y - 1),
@@ -78,7 +107,37 @@ impl BiomeMap {
return None; return None;
} }
return Some(&self.tiles[x as usize + y as usize * self.width]); let cx = x as usize / Chunk::SIZE;
let cy = y as usize / Chunk::SIZE;
let chunk = &self.chunks[cx + cy * Chunk::SIZE];
return Some(chunk.get_biome(x as usize - cx * Chunk::SIZE, y as usize - cy * Chunk::SIZE));
}
pub fn get_biome_data(&self, x: usize, y: usize) -> &BiomeData {
let cx = x / Chunk::SIZE;
let cy = y / Chunk::SIZE;
let chunk = &self.chunks[cx + cy * Chunk::SIZE];
return chunk.get_biome_data(x - cx * Chunk::SIZE, y - cy * Chunk::SIZE);
}
}
#[derive(Clone)]
pub struct BiomeChunk {
pub tiles: Vec<Vec<f32>>,
pub data: [BiomeData; Chunk::AREA],
}
impl BiomeChunk {
pub fn get_biome(&self, x: usize, y: usize) -> &Vec<f32> {
return &self.tiles[x as usize + y as usize * Chunk::SIZE];
}
pub fn get_biome_data(&self, x: usize, y: usize) -> &BiomeData {
return &self.data[x + y * Chunk::SIZE];
} }
} }
@@ -90,18 +149,27 @@ mod tests {
#[test] #[test]
fn biome_blend() { fn biome_blend() {
let mut biome = BiomeMap::new(UVec2::ONE * 16, 8); let mut biome = BiomeMap::new(UVec2::ONE * 16, 8);
let w = biome.width / Chunk::SIZE;
let h = biome.height / Chunk::SIZE;
for y in 0..biome.height { for y in 0..h {
for x in 0..biome.width { for x in 0..w {
let mut b = vec![0.; biome.biome_count]; let mut b = vec![0.; biome.biome_count];
let i = x / Chunk::SIZE; let idx = (x + y) % biome.biome_count;
let z = y / Chunk::SIZE;
let idx = (i + z) % biome.biome_count;
b[idx] = 1.; b[idx] = 1.;
biome.tiles.push(b); biome.chunks.push(generate_chunk(x, y, b));
} }
} }
biome.blend(8); biome.blend(8);
} }
fn generate_chunk(x: usize, y: usize, biome: Vec<f32>) -> BiomeChunk {
let chunk = BiomeChunk {
data: [BiomeData::default(); Chunk::AREA],
tiles: (0..Chunk::AREA).into_iter().map(|_| biome.clone()).collect(),
};
return chunk;
}
} }

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@@ -1,12 +1,13 @@
use crate::hex_utils::SHORT_DIAGONAL; use crate::hex_utils::SHORT_DIAGONAL;
use bevy::prelude::*; use bevy::prelude::*;
use super::biome_map::BiomeData;
#[derive(Clone)] #[derive(Clone)]
pub struct Chunk { pub struct Chunk {
pub heights: [f32; Chunk::AREA], pub heights: [f32; Chunk::AREA],
pub textures: [[u32; 2]; Chunk::AREA], pub textures: [[u32; 2]; Chunk::AREA],
pub moisture: [f32; Chunk::AREA], pub biome_data: [BiomeData; Chunk::AREA],
pub temperature: [f32; Chunk::AREA],
pub chunk_offset: IVec2, pub chunk_offset: IVec2,
} }
@@ -15,8 +16,7 @@ impl Default for Chunk {
Self { Self {
heights: [0.; Chunk::AREA], heights: [0.; Chunk::AREA],
textures: [[0; 2]; Chunk::AREA], textures: [[0; 2]; Chunk::AREA],
moisture: [0.; Chunk::AREA], biome_data: [BiomeData::default(); Chunk::AREA],
temperature: [0.; Chunk::AREA],
chunk_offset: Default::default(), chunk_offset: Default::default(),
} }
} }

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@@ -7,12 +7,13 @@ use super::chunk::Chunk;
#[derive(Resource, Reflect, Default)] #[derive(Resource, Reflect, Default)]
#[reflect(Resource)] #[reflect(Resource)]
pub struct GenerationConfig { pub struct GenerationConfig {
pub noise_scale: f64,
pub sea_level: f64, pub sea_level: f64,
pub border_size: f32, pub border_size: f32,
pub biome_blend: usize, pub biome_blend: usize,
pub moisture_layer: NoiseConfig,
pub temperature_layer: NoiseConfig,
pub continent_layer: NoiseConfig,
pub size: UVec2, pub size: UVec2,
pub layers: Vec<GeneratorLayer>,
} }
impl GenerationConfig { impl GenerationConfig {
@@ -24,7 +25,13 @@ impl GenerationConfig {
} }
} }
#[derive(Reflect, InspectorOptions, Serialize, Deserialize, Debug, Clone)] #[derive(Serialize, Deserialize, Default, Reflect, Clone, Debug)]
pub struct NoiseConfig {
pub scale: f64,
pub layers: Vec<GeneratorLayer>,
}
#[derive(Reflect, InspectorOptions, Serialize, Deserialize, Debug, Clone, Default)]
pub struct GeneratorLayer { pub struct GeneratorLayer {
pub strength: f64, pub strength: f64,
pub min_value: f64, pub min_value: f64,

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@@ -58,12 +58,12 @@ impl Map {
pub fn get_moisture(&self, pos: &HexCoord) -> f32 { pub fn get_moisture(&self, pos: &HexCoord) -> f32 {
let chunk = &self.chunks[pos.to_chunk_index(self.width)]; let chunk = &self.chunks[pos.to_chunk_index(self.width)];
return chunk.moisture[pos.to_chunk_local_index()]; return chunk.biome_data[pos.to_chunk_local_index()].moisture;
} }
pub fn get_tempurature(&self, pos: &HexCoord) -> f32 { pub fn get_tempurature(&self, pos: &HexCoord) -> f32 {
let chunk = &self.chunks[pos.to_chunk_index(self.width)]; let chunk = &self.chunks[pos.to_chunk_index(self.width)];
return chunk.temperature[pos.to_chunk_local_index()]; return chunk.biome_data[pos.to_chunk_local_index()].temperature;
} }
pub fn get_center(&self) -> Vec3 { pub fn get_center(&self) -> Vec3 {

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@@ -2,6 +2,7 @@ use bevy::ecs::schedule::States;
#[derive(States, Debug, Clone, PartialEq, Eq, Hash)] #[derive(States, Debug, Clone, PartialEq, Eq, Hash)]
pub enum GeneratorState { pub enum GeneratorState {
Startup,
GenerateHeightmap, GenerateHeightmap,
SpawnMap, SpawnMap,
Idle, Idle,

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@@ -19,7 +19,7 @@ impl Plugin for PhosCameraPlugin {
app.add_systems(PreStartup, setup); app.add_systems(PreStartup, setup);
app.add_systems(Update, rts_camera_system.run_if(in_state(MenuState::InGame))); app.add_systems(Update, rts_camera_system.run_if(in_state(MenuState::InGame)));
app.add_systems(PostUpdate, limit_camera_bounds); app.add_systems(PostUpdate, limit_camera_bounds.run_if(in_state(MenuState::InGame)));
//Free Cam //Free Cam
//app.add_systems(Update, (grab_mouse, (update_camera, update_camera_mouse).chain())); //app.add_systems(Update, (grab_mouse, (update_camera, update_camera_mouse).chain()));

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@@ -16,8 +16,8 @@ impl Default for PhosCamera {
fn default() -> Self { fn default() -> Self {
Self { Self {
min_height: 10., min_height: 10.,
max_height: 120., max_height: 420.,
speed: 30., speed: 100.,
zoom_speed: 0.3, zoom_speed: 0.3,
min_angle: (20. as f32).to_radians(), min_angle: (20. as f32).to_radians(),
max_angle: 1., max_angle: 1.,

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@@ -5,6 +5,7 @@ use bevy::utils::futures;
use bevy_rapier3d::geometry::Collider; use bevy_rapier3d::geometry::Collider;
use bevy_rapier3d::geometry::TriMeshFlags; use bevy_rapier3d::geometry::TriMeshFlags;
use world_generation::prelude::Map; use world_generation::prelude::Map;
use world_generation::states::GeneratorState;
use crate::prelude::RebuildChunk; use crate::prelude::RebuildChunk;
use crate::{ use crate::{
@@ -18,7 +19,7 @@ impl Plugin for ChunkRebuildPlugin {
fn build(&self, app: &mut App) { fn build(&self, app: &mut App) {
app.insert_resource(ChunkRebuildQueue::default()); app.insert_resource(ChunkRebuildQueue::default());
app.init_resource::<PhosChunkRegistry>(); app.init_resource::<PhosChunkRegistry>();
app.add_systems(PreUpdate, chunk_rebuilder); app.add_systems(PreUpdate, chunk_rebuilder.run_if(in_state(GeneratorState::SpawnMap)));
app.add_systems(PostUpdate, collider_task_resolver); app.add_systems(PostUpdate, collider_task_resolver);
} }
} }

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@@ -1,7 +1,7 @@
#[cfg(feature = "tracing")] #[cfg(feature = "tracing")]
use bevy::log::*; use bevy::log::*;
use bevy::{ use bevy::{
asset::{LoadState, StrongHandle}, asset::LoadState,
pbr::{ExtendedMaterial, NotShadowCaster}, pbr::{ExtendedMaterial, NotShadowCaster},
prelude::*, prelude::*,
}; };
@@ -9,7 +9,7 @@ use bevy_inspector_egui::quick::ResourceInspectorPlugin;
use rayon::iter::{IntoParallelRefIterator, ParallelIterator}; use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
use shared::states::{GameplayState, MenuState}; use shared::states::{GameplayState, MenuState};
use world_generation::{ use world_generation::{
biome_asset::BiomeAsset, biome_asset::{BiomeAsset, BiomeAssetLoadState},
biome_painter::*, biome_painter::*,
heightmap::generate_heightmap, heightmap::generate_heightmap,
hex_utils::{offset_to_index, SHORT_DIAGONAL}, hex_utils::{offset_to_index, SHORT_DIAGONAL},
@@ -39,7 +39,7 @@ pub struct MapInitPlugin;
impl Plugin for MapInitPlugin { impl Plugin for MapInitPlugin {
fn build(&self, app: &mut App) { fn build(&self, app: &mut App) {
app.insert_state(GeneratorState::GenerateHeightmap); app.insert_state(GeneratorState::Startup);
app.insert_state(AssetLoadState::StartLoading); app.insert_state(AssetLoadState::StartLoading);
app.add_plugins(ResourceInspectorPlugin::<GenerationConfig>::default()); app.add_plugins(ResourceInspectorPlugin::<GenerationConfig>::default());
@@ -57,18 +57,17 @@ impl Plugin for MapInitPlugin {
)); ));
app.add_systems(Startup, (load_textures, load_tiles).in_set(AssetLoaderSet)); app.add_systems(Startup, (load_textures, load_tiles).in_set(AssetLoaderSet));
app.add_systems(Startup, create_heightmap.in_set(GeneratorSet));
app.configure_sets(Startup, AssetLoaderSet.run_if(in_state(AssetLoadState::StartLoading))); app.configure_sets(Startup, AssetLoaderSet.run_if(in_state(AssetLoadState::StartLoading)));
app.configure_sets(
Startup, app.add_systems(
GeneratorSet.run_if(in_state(GeneratorState::GenerateHeightmap)), Update,
create_heightmap.run_if(in_state(GeneratorState::GenerateHeightmap)),
); );
app.add_systems(Update, check_asset_load.run_if(in_state(AssetLoadState::Loading))); app.add_systems(Update, check_asset_load.run_if(in_state(AssetLoadState::Loading)));
app.add_systems( app.add_systems(
Update, Update,
finalize_texture.run_if(in_state(AssetLoadState::FinalizeAssets)), (finalize_texture, finalize_biome_painter).run_if(in_state(AssetLoadState::FinalizeAssets)),
); );
app.add_systems(Update, despawn_map.run_if(in_state(GeneratorState::Regenerate))); app.add_systems(Update, despawn_map.run_if(in_state(GeneratorState::Regenerate)));
app.add_systems( app.add_systems(
@@ -82,8 +81,6 @@ impl Plugin for MapInitPlugin {
} }
} }
#[derive(SystemSet, Debug, Clone, PartialEq, Eq, Hash)]
struct GeneratorSet;
#[derive(SystemSet, Debug, Clone, PartialEq, Eq, Hash)] #[derive(SystemSet, Debug, Clone, PartialEq, Eq, Hash)]
struct AssetLoaderSet; struct AssetLoaderSet;
@@ -137,11 +134,16 @@ fn check_asset_load(
atlas: Res<ChunkAtlas>, atlas: Res<ChunkAtlas>,
painter: Res<CurrentBiomePainter>, painter: Res<CurrentBiomePainter>,
painter_load: Res<BiomePainterLoadState>, painter_load: Res<BiomePainterLoadState>,
biome_load: Res<BiomeAssetLoadState>,
tile_load: Res<TileAssetLoadState>, tile_load: Res<TileAssetLoadState>,
mapper_load: Res<TileMapperLoadState>, mapper_load: Res<TileMapperLoadState>,
mut next_state: ResMut<NextState<AssetLoadState>>, mut next_state: ResMut<NextState<AssetLoadState>>,
) { ) {
if !painter_load.is_all_loaded() || !tile_load.is_all_loaded() || !mapper_load.is_all_loaded() { if !painter_load.is_all_loaded()
|| !tile_load.is_all_loaded()
|| !mapper_load.is_all_loaded()
|| !biome_load.is_all_loaded()
{
return; return;
} }
@@ -155,11 +157,30 @@ fn check_asset_load(
next_state.set(AssetLoadState::FinalizeAssets); next_state.set(AssetLoadState::FinalizeAssets);
} }
fn finalize_biome_painter(
mut commands: Commands,
mut next_generator_state: ResMut<NextState<GeneratorState>>,
painter: Res<CurrentBiomePainter>,
painter_load: Res<BiomePainterLoadState>,
biome_load: Res<BiomeAssetLoadState>,
biome_painters: Res<Assets<BiomePainterAsset>>,
biome_assets: Res<Assets<BiomeAsset>>,
) {
if !painter_load.is_all_loaded() || !biome_load.is_all_loaded() {
return;
}
let painter_asset = biome_painters.get(painter.handle.clone()).unwrap();
let biome_painter = painter_asset.build(&biome_assets);
commands.insert_resource(biome_painter);
next_generator_state.set(GeneratorState::GenerateHeightmap);
}
fn finalize_texture( fn finalize_texture(
mut atlas: ResMut<ChunkAtlas>, mut atlas: ResMut<ChunkAtlas>,
mut images: ResMut<Assets<Image>>, mut images: ResMut<Assets<Image>>,
mut chunk_materials: ResMut<Assets<ExtendedMaterial<StandardMaterial, ChunkMaterial>>>, mut chunk_materials: ResMut<Assets<ExtendedMaterial<StandardMaterial, ChunkMaterial>>>,
mut next_state: ResMut<NextState<AssetLoadState>>, mut next_load_state: ResMut<NextState<AssetLoadState>>,
) { ) {
let image = images.get_mut(&atlas.handle).unwrap(); let image = images.get_mut(&atlas.handle).unwrap();
@@ -175,21 +196,23 @@ fn finalize_texture(
}); });
atlas.chunk_material_handle = chunk_material; atlas.chunk_material_handle = chunk_material;
next_state.set(AssetLoadState::LoadComplete); next_load_state.set(AssetLoadState::LoadComplete);
} }
fn create_heightmap( fn create_heightmap(
mut commands: Commands, mut commands: Commands,
mut cam: Query<(&mut Transform, Entity), With<PhosCamera>>, mut cam: Query<(&mut Transform, Entity), With<PhosCamera>>,
mut next_state: ResMut<NextState<GeneratorState>>, mut next_state: ResMut<NextState<GeneratorState>>,
biome_painter: Res<BiomePainter>,
) { ) {
let config = GenerationConfig { let config = GenerationConfig {
biome_blend: 3, biome_blend: 3,
layers: vec![ continent_layer: NoiseConfig {
GeneratorLayer { scale: 450.,
layers: vec![GeneratorLayer {
base_roughness: 2.14, base_roughness: 2.14,
roughness: 0.87, roughness: 0.87,
strength: 8.3, strength: 100.,
min_value: -0.2, min_value: -0.2,
persistence: 0.77, persistence: 0.77,
is_rigid: false, is_rigid: false,
@@ -197,63 +220,44 @@ fn create_heightmap(
weight_multi: 0., weight_multi: 0.,
layers: 4, layers: 4,
first_layer_mask: false, first_layer_mask: false,
}, }],
GeneratorLayer { },
base_roughness: 2.85, moisture_layer: NoiseConfig {
roughness: 2., scale: 450.,
strength: -0.23, layers: vec![GeneratorLayer {
min_value: -0., base_roughness: 2.14,
persistence: 1., roughness: 0.87,
strength: 100.,
min_value: -0.2,
persistence: 0.77,
is_rigid: false, is_rigid: false,
weight: 0., weight: 0.,
weight_multi: 0., weight_multi: 0.,
layers: 4, layers: 4,
first_layer_mask: false, first_layer_mask: false,
}, }],
GeneratorLayer { },
base_roughness: 2.6, temperature_layer: NoiseConfig {
roughness: 4., scale: 450.,
strength: 3.1, layers: vec![GeneratorLayer {
min_value: 0., base_roughness: 2.14,
persistence: 1.57, roughness: 0.87,
is_rigid: true, strength: 100.,
weight: 1., min_value: -0.2,
weight_multi: 0.35, persistence: 0.77,
is_rigid: false,
weight: 0.,
weight_multi: 0.,
layers: 4, layers: 4,
first_layer_mask: true,
},
GeneratorLayer {
base_roughness: 3.87,
roughness: 5.8,
strength: -1.,
min_value: 0.,
persistence: 0.,
is_rigid: true,
weight: 1.,
weight_multi: 4.57,
layers: 3,
first_layer_mask: true,
},
GeneratorLayer {
base_roughness: 3.87,
roughness: 5.8,
strength: -1.5,
min_value: 0.,
persistence: 0.3,
is_rigid: true,
weight: 1.,
weight_multi: 4.57,
layers: 3,
first_layer_mask: false, first_layer_mask: false,
}, }],
], },
noise_scale: 450.,
sea_level: 8.5, sea_level: 8.5,
border_size: 64., border_size: 64.,
size: UVec2::splat(1024 / Chunk::SIZE as u32), size: UVec2::splat(1024 / Chunk::SIZE as u32),
// size: UVec2::splat(1), // size: UVec2::splat(1),
}; };
let heightmap = generate_heightmap(&config, 42069); let heightmap = generate_heightmap(&config, 42069, &biome_painter);
let (mut cam_t, cam_entity) = cam.single_mut(); let (mut cam_t, cam_entity) = cam.single_mut();
cam_t.translation = heightmap.get_center(); cam_t.translation = heightmap.get_center();
@@ -272,17 +276,13 @@ fn spawn_map(
atlas: Res<ChunkAtlas>, atlas: Res<ChunkAtlas>,
tile_assets: Res<Assets<TileAsset>>, tile_assets: Res<Assets<TileAsset>>,
tile_mappers: Res<Assets<TileMapperAsset>>, tile_mappers: Res<Assets<TileMapperAsset>>,
biome_painters: Res<Assets<BiomePainterAsset>>,
biome_assets: Res<Assets<BiomeAsset>>,
painter: Res<CurrentBiomePainter>,
mut generator_state: ResMut<NextState<GeneratorState>>, mut generator_state: ResMut<NextState<GeneratorState>>,
cur_game_state: Res<State<MenuState>>, cur_game_state: Res<State<MenuState>>,
mut game_state: ResMut<NextState<MenuState>>, mut game_state: ResMut<NextState<MenuState>>,
mut gameplay_state: ResMut<NextState<GameplayState>>, mut gameplay_state: ResMut<NextState<GameplayState>>,
biome_painter: Res<BiomePainter>,
) { ) {
let b_painter = biome_painters.get(painter.handle.clone()); paint_map(&mut heightmap, &biome_painter, &tile_assets, &tile_mappers);
let cur_painter = b_painter.unwrap();
paint_map(&mut heightmap, cur_painter, &tile_assets, &biome_assets, &tile_mappers);
let chunk_meshes: Vec<_> = heightmap let chunk_meshes: Vec<_> = heightmap
.chunks .chunks
@@ -347,11 +347,12 @@ fn despawn_map(
cfg: Res<GenerationConfig>, cfg: Res<GenerationConfig>,
chunks: Query<Entity, With<PhosChunk>>, chunks: Query<Entity, With<PhosChunk>>,
mut next_state: ResMut<NextState<GeneratorState>>, mut next_state: ResMut<NextState<GeneratorState>>,
biome_painter: Res<BiomePainter>,
) { ) {
for chunk in chunks.iter() { for chunk in chunks.iter() {
commands.entity(chunk).despawn(); commands.entity(chunk).despawn();
} }
*heightmap = generate_heightmap(&cfg, 4); *heightmap = generate_heightmap(&cfg, 4, &biome_painter);
next_state.set(GeneratorState::SpawnMap); next_state.set(GeneratorState::SpawnMap);
} }

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@@ -12,10 +12,10 @@ use bevy_rapier3d::plugin::{NoUserData, RapierPhysicsPlugin};
use buildings::BuildingPugin; use buildings::BuildingPugin;
use iyes_perf_ui::prelude::*; use iyes_perf_ui::prelude::*;
use shared::despawn::DespawnPuglin; use shared::despawn::DespawnPuglin;
use shared::states::{MenuState, GameplayState}; use shared::states::{GameplayState, MenuState};
use world_generation::biome_painter::BiomePainterPlugin;
use world_generation::tile_manager::TileAssetPlugin; use world_generation::tile_manager::TileAssetPlugin;
use world_generation::tile_mapper::TileMapperAssetPlugin; use world_generation::tile_mapper::TileMapperAssetPlugin;
use world_generation::{biome_asset::BiomeAssetPlugin, biome_painter::BiomePainterPlugin};
pub struct PhosGamePlugin; pub struct PhosGamePlugin;
@@ -48,6 +48,7 @@ impl Plugin for PhosGamePlugin {
app.add_plugins(TileAssetPlugin); app.add_plugins(TileAssetPlugin);
app.add_plugins(TileMapperAssetPlugin); app.add_plugins(TileMapperAssetPlugin);
app.add_plugins(BiomePainterPlugin); app.add_plugins(BiomePainterPlugin);
app.add_plugins(BiomeAssetPlugin);
//Physics //Physics
app.add_plugins(RapierPhysicsPlugin::<NoUserData>::default()); app.add_plugins(RapierPhysicsPlugin::<NoUserData>::default());
// app.add_plugins(RapierDebugRenderPlugin::default()); // app.add_plugins(RapierDebugRenderPlugin::default());

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@@ -9,8 +9,7 @@ use bevy::{
use bevy_rapier3d::geometry::{Collider, TriMeshFlags}; use bevy_rapier3d::geometry::{Collider, TriMeshFlags};
use rayon::iter::{IntoParallelRefMutIterator, ParallelIterator}; use rayon::iter::{IntoParallelRefMutIterator, ParallelIterator};
use world_generation::{ use world_generation::{
biome_asset::BiomeAsset, biome_painter::BiomePainter,
biome_painter::BiomePainterAsset,
generators::{chunk_colliders::generate_chunk_collider, mesh_generator::generate_chunk_mesh}, generators::{chunk_colliders::generate_chunk_collider, mesh_generator::generate_chunk_mesh},
hex_utils::offset_to_world, hex_utils::offset_to_world,
prelude::{Chunk, Map, MeshChunkData}, prelude::{Chunk, Map, MeshChunkData},
@@ -20,32 +19,27 @@ use world_generation::{
pub fn paint_map( pub fn paint_map(
map: &mut Map, map: &mut Map,
painter: &BiomePainterAsset, painter: &BiomePainter,
tiles: &Res<Assets<TileAsset>>, tiles: &Res<Assets<TileAsset>>,
biomes: &Res<Assets<BiomeAsset>>,
mappers: &Res<Assets<TileMapperAsset>>, mappers: &Res<Assets<TileMapperAsset>>,
) { ) {
map.chunks.par_iter_mut().for_each(|chunk: &mut Chunk| { map.chunks.par_iter_mut().for_each(|chunk: &mut Chunk| {
paint_chunk(chunk, painter, tiles, biomes, mappers); paint_chunk(chunk, painter, tiles, mappers);
}); });
} }
pub fn paint_chunk( pub fn paint_chunk(
chunk: &mut Chunk, chunk: &mut Chunk,
painter: &BiomePainterAsset, painter: &BiomePainter,
tiles: &Res<Assets<TileAsset>>, tiles: &Res<Assets<TileAsset>>,
biomes: &Res<Assets<BiomeAsset>>,
mappers: &Res<Assets<TileMapperAsset>>, mappers: &Res<Assets<TileMapperAsset>>,
) { ) {
for z in 0..Chunk::SIZE { for z in 0..Chunk::SIZE {
for x in 0..Chunk::SIZE { for x in 0..Chunk::SIZE {
let idx = x + z * Chunk::SIZE; let idx = x + z * Chunk::SIZE;
let height = chunk.heights[idx]; let height = chunk.heights[idx];
let moisture = chunk.moisture[idx]; let biome_data = &chunk.biome_data[idx];
let temperature = chunk.temperature[idx]; let biome = painter.sample_biome(biome_data);
let biome = biomes
.get(painter.sample_biome(&biomes, moisture, temperature, 0.))
.unwrap();
let mapper = mappers.get(biome.tile_mapper.clone()); let mapper = mappers.get(biome.tile_mapper.clone());
let tile_handle = mapper.unwrap().sample_tile(height); let tile_handle = mapper.unwrap().sample_tile(height);
let tile = tiles.get(tile_handle).unwrap(); let tile = tiles.get(tile_handle).unwrap();