steel_core/worldgen/feature/features/
block_blob.rs

1use super::super::prelude::*;
2use super::super::runner::FeatureDecorationRunner;
3
4impl FeatureDecorationRunner {
5    pub(in crate::worldgen::feature) fn place_block_blob_feature(
6        region: &mut WorldGenRegion<'_>,
7        registry: &Registry,
8        random: &mut WorldgenRandom,
9        config: &BlockBlobConfiguration,
10        mut origin: BlockPos,
11    ) -> bool {
12        while origin.y() > region.min_y() + 3
13            && !Self::test_block_predicate(region, registry, &config.can_place_on, origin.below())
14        {
15            origin = origin.below();
16        }
17
18        if origin.y() <= region.min_y() + 3 {
19            return false;
20        }
21
22        let state = Self::block_state_from_data(registry, &config.state);
23        for _ in 0..3 {
24            let x_radius = random.next_i32_bounded(2);
25            let y_radius = random.next_i32_bounded(2);
26            let z_radius = random.next_i32_bounded(2);
27            let threshold = (x_radius + y_radius + z_radius) as f32 * 0.333 + 0.5;
28            let threshold_squared = threshold * threshold;
29
30            for x in origin.x() - x_radius..=origin.x() + x_radius {
31                for y in origin.y() - y_radius..=origin.y() + y_radius {
32                    for z in origin.z() - z_radius..=origin.z() + z_radius {
33                        let dx = x - origin.x();
34                        let dy = y - origin.y();
35                        let dz = z - origin.z();
36                        if (dx * dx + dy * dy + dz * dz) as f32 <= threshold_squared {
37                            let _ = region.set_block_state(
38                                BlockPos::new(x, y, z),
39                                state,
40                                UpdateFlags::UPDATE_ALL,
41                            );
42                        }
43                    }
44                }
45            }
46
47            origin = origin.offset(
48                -1 + random.next_i32_bounded(2),
49                -random.next_i32_bounded(2),
50                -1 + random.next_i32_bounded(2),
51            );
52        }
53
54        true
55    }
56}
steel_core/worldgen/feature/features/block_blob.rs

steel_core/worldgen/feature/features/
block_blob.rs
