veloren_world/site/plot/
rock_circle.rs

1use super::*;
2use crate::{
3    Land,
4    assets::AssetHandle,
5    site::generation::PrimitiveTransform,
6    util::{RandomField, sampler::Sampler},
7};
8use common::{
9    generation::EntityInfo,
10    terrain::{Structure as PrefabStructure, StructuresGroup},
11};
12use lazy_static::lazy_static;
13use rand::prelude::*;
14use vek::*;
15
16pub struct RockCircle {
17    bounds: Aabr<i32>,
18    pub(crate) alt: i32,
19}
20impl RockCircle {
21    pub fn generate(land: &Land, _rng: &mut impl Rng, site: &Site, tile_aabr: Aabr<i32>) -> Self {
22        let bounds = Aabr {
23            min: site.tile_wpos(tile_aabr.min),
24            max: site.tile_wpos(tile_aabr.max),
25        };
26        Self {
27            bounds,
28            alt: land.get_alt_approx(site.tile_center_wpos(tile_aabr.center())) as i32 + 2,
29        }
30    }
31}
32
33impl Structure for RockCircle {
34    #[cfg(feature = "dyn-lib")]
35    #[unsafe(export_name = "as_dyn_structure_rockcircle")]
36    fn as_dyn_outer(&self) -> Option<(&dyn Structure, &'static str)> {
37        Some((Self::as_dyn_impl(self), "as_dyn_structure_rockcircle"))
38    }
39
40    fn render_inner(&self, _site: &Site, land: &Land, painter: &Painter) {
41        let center = self.bounds.center();
42        let base = land.get_alt_approx(center) as i32;
43        let mut rng = rand::rng();
44        let model_pos = center.with_z(base);
45        // model
46        lazy_static! {
47            pub static ref MODEL: AssetHandle<StructuresGroup> =
48                PrefabStructure::load_group("site_structures.rock_circle.rock_circle");
49        }
50        let rng_val = RandomField::new(0).get(model_pos) % 10;
51        let model = MODEL.read();
52        let model = model[rng_val as usize % model.len()].clone();
53        painter
54            .prim(Primitive::Prefab(Box::new(model.clone())))
55            .translate(model_pos)
56            .fill(Fill::Prefab(Box::new(model), model_pos, rng_val));
57
58        // npcs
59        if rng.random_range(0..=8) < 1 {
60            // dullahan
61            painter.spawn(
62                EntityInfo::at(center.with_z(base + 2).as_()).with_asset_expect(
63                    "common.entity.wild.aggressive.dullahan",
64                    &mut rng,
65                    None,
66                ),
67            )
68        }
69    }
70}
veloren_world/site/plot/rock_circle.rs

veloren_world/site/plot/
rock_circle.rs
