steel_core/worldgen/feature/features/
freeze_top_layer.rs

1use super::super::prelude::*;
2use super::super::runner::FeatureDecorationRunner;
3
4impl FeatureDecorationRunner {
5    pub(in crate::worldgen::feature) fn place_freeze_top_layer_feature(
6        region: &mut WorldGenRegion<'_>,
7        registry: &Registry,
8        origin: BlockPos,
9        biome_zoom_seed: i64,
10    ) -> bool {
11        let ice = vanilla_blocks::ICE.default_state();
12        let snow = vanilla_blocks::SNOW.default_state();
13
14        for dx in 0..16 {
15            for dz in 0..16 {
16                let x = origin.x() + dx;
17                let z = origin.z() + dz;
18                let y = region.height_at(HeightmapType::MotionBlocking, x, z);
19                let top_pos = BlockPos::new(x, y, z);
20                let below_pos = top_pos.below();
21                let biome = Self::biome_at_block(region, registry, biome_zoom_seed, top_pos);
22
23                if Self::should_freeze_in_biome(region, biome, below_pos, false) {
24                    let _ = region.set_block_state(below_pos, ice, UpdateFlags::UPDATE_CLIENTS);
25                }
26
27                if Self::should_snow_in_biome(region, biome, top_pos) {
28                    let _ = region.set_block_state(top_pos, snow, UpdateFlags::UPDATE_CLIENTS);
29                    Self::set_snowy_below(region, below_pos);
30                }
31            }
32        }
33
34        true
35    }
36
37    fn set_snowy_below(region: &mut WorldGenRegion<'_>, below_pos: BlockPos) {
38        let below_state = region.block_state(below_pos);
39        if below_state
40            .try_get_value(&BlockStateProperties::SNOWY)
41            .is_none()
42        {
43            return;
44        }
45
46        let snowy_state = below_state.set_value(&BlockStateProperties::SNOWY, true);
47        let _ = region.set_block_state(below_pos, snowy_state, UpdateFlags::UPDATE_CLIENTS);
48    }
49}
steel_core/worldgen/feature/features/freeze_top_layer.rs

steel_core/worldgen/feature/features/
freeze_top_layer.rs
