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            && !BlockStateProviderEvaluator::test_block_predicate(
14                region,
15                registry,
16                &config.can_place_on,
17                origin.below(),
18            )
19        {
20            origin = origin.below();
21        }
22
23        if origin.y() <= region.min_y() + 3 {
24            return false;
25        }
26
27        let state = BlockStateProviderEvaluator::block_state_from_data(registry, &config.state);
28        for _ in 0..3 {
29            let x_radius = random.next_i32_bounded(2);
30            let y_radius = random.next_i32_bounded(2);
31            let z_radius = random.next_i32_bounded(2);
32            let threshold = (x_radius + y_radius + z_radius) as f32 * 0.333 + 0.5;
33            let threshold_squared = threshold * threshold;
34
35            for x in origin.x() - x_radius..=origin.x() + x_radius {
36                for y in origin.y() - y_radius..=origin.y() + y_radius {
37                    for z in origin.z() - z_radius..=origin.z() + z_radius {
38                        let dx = x - origin.x();
39                        let dy = y - origin.y();
40                        let dz = z - origin.z();
41                        if (dx * dx + dy * dy + dz * dz) as f32 <= threshold_squared {
42                            let _ = region.set_block_state(
43                                BlockPos::new(x, y, z),
44                                state,
45                                UpdateFlags::UPDATE_ALL,
46                            );
47                        }
48                    }
49                }
50            }
51
52            origin = origin.offset(
53                -1 + random.next_i32_bounded(2),
54                -random.next_i32_bounded(2),
55                -1 + random.next_i32_bounded(2),
56            );
57        }
58
59        true
60    }
61}
steel_core/worldgen/feature/features/block_blob.rs

steel_core/worldgen/feature/features/
block_blob.rs
