Pumpkin/pumpkin-world/benches/chunk.rs

use criterion::{Criterion, criterion_group, criterion_main};
use pumpkin_data::noise_router::OVERWORLD_BASE_NOISE_ROUTER;
use pumpkin_world::{
    GENERATION_SETTINGS, GeneratorSetting, GlobalRandomConfig, ProtoNoiseRouters,
    bench_create_and_populate_biome, bench_create_and_populate_noise,
    bench_create_and_populate_noise_with_surface, generation::proto_chunk::TerrainCache,
};

fn bench_terrain_gen(c: &mut Criterion) {
    let seed = 0;
    let random_config = GlobalRandomConfig::new(seed, false);
    let base_router = ProtoNoiseRouters::generate(&OVERWORLD_BASE_NOISE_ROUTER, &random_config);
    let surface_config = GENERATION_SETTINGS
        .get(&GeneratorSetting::Overworld)
        .unwrap();
    let terrain_cache = TerrainCache::from_random(&random_config);
    let default_block = surface_config.default_block.get_state();

    c.bench_function("overworld biome", |b| {
        b.iter(|| {
            bench_create_and_populate_biome(
                &base_router,
                &random_config,
                surface_config,
                &terrain_cache,
                default_block,
            )
        });
    });

    c.bench_function("overworld noise", |b| {
        b.iter(|| {
            bench_create_and_populate_noise(
                &base_router,
                &random_config,
                surface_config,
                &terrain_cache,
                default_block,
            )
        });
    });

    c.bench_function("overworld surface", |b| {
        b.iter(|| {
            bench_create_and_populate_noise_with_surface(
                &base_router,
                &random_config,
                surface_config,
                &terrain_cache,
                default_block,
            )
        });
    });
}

criterion_group!(benches, bench_terrain_gen);
criterion_main!(benches);