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world/section: reorder type definitions

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This commit is contained in:
Matthias Schiffer 2023-03-04 16:58:52 +01:00
parent 47dc3795a3
commit 66f8d155f5
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
1 changed files with 33 additions and 33 deletions
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66
src/world/section.rs
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@ -32,39 +32,6 @@ pub trait Section: Debug {
fn block_at(&self, coords: SectionBlockCoords) -> Result<Option<BlockType>>;
}
/// Minecraft v1.18+ section biome data
///
/// The biome data is part of the section structure in Minecraft v1.18+, with
/// the biomes laid out as an array of indices into a palette, similar to the
/// v1.13+ block data.
#[derive(Debug)]
pub struct BiomesV18<'a> {
_biomes: Option<&'a [i64]>,
_palette: &'a [String],
_bits: u8,
}
impl<'a> BiomesV18<'a> {
/// Constructs a new [BiomesV18] from deserialized data structures
pub fn new(biomes: Option<&'a [i64]>, palette: &'a [String]) -> Result<Self> {
let bits = palette_bits(palette.len(), 1, 6).context("Unsupported block palette size")?;
if let Some(biomes) = biomes {
let biomes_per_word = 64 / bits as usize;
let expected_length = (64 + biomes_per_word - 1) / biomes_per_word;
if biomes.len() != expected_length {
bail!("Invalid section biome data");
}
}
Ok(BiomesV18 {
_biomes: biomes,
_palette: palette,
_bits: bits,
})
}
}
/// Minecraft v1.13+ section block data
#[derive(Debug)]
pub struct SectionV1_13<'a> {
@ -201,3 +168,36 @@ impl<'a> Section for SectionV0<'a> {
Ok(self.block_types.get_legacy(block, data))
}
}
/// Minecraft v1.18+ section biome data
///
/// The biome data is part of the section structure in Minecraft v1.18+, with
/// the biomes laid out as an array of indices into a palette, similar to the
/// v1.13+ block data.
#[derive(Debug)]
pub struct BiomesV18<'a> {
_biomes: Option<&'a [i64]>,
_palette: &'a [String],
_bits: u8,
}
impl<'a> BiomesV18<'a> {
/// Constructs a new [BiomesV18] from deserialized data structures
pub fn new(biomes: Option<&'a [i64]>, palette: &'a [String]) -> Result<Self> {
let bits = palette_bits(palette.len(), 1, 6).context("Unsupported block palette size")?;
if let Some(biomes) = biomes {
let biomes_per_word = 64 / bits as usize;
let expected_length = (64 + biomes_per_word - 1) / biomes_per_word;
if biomes.len() != expected_length {
bail!("Invalid section biome data");
}
}
Ok(BiomesV18 {
_biomes: biomes,
_palette: palette,
_bits: bits,
})
}
}