neocturne/MinedMap
1
0
Fork 0
mirror of https://github.com/neocturne/MinedMap.git synced 2025-03-04 17:23:33 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

types: add LayerBlockCoords::offset() helper

Browse source
This commit is contained in:
Matthias Schiffer 2023-04-08 10:59:20 +02:00
parent aa2edc3d13
commit b93e613152
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
1 changed files with 15 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
src/types.rs
View file

@ -53,6 +53,20 @@ impl Debug for LayerBlockCoords {
}
}
impl LayerBlockCoords {
/// Computes a block's offset in various data structures
///
/// Many chunk data structures store block and biome data in the same
/// order. This method computes the offset at which the data for the
/// block at a given coordinate is stored.
pub fn offset(&self) -> usize {
use BLOCKS_PER_CHUNK as N;
let x = self.x.0 as usize;
let z = self.z.0 as usize;
N * z + x
}
}
/// Generic array for data stored per block of a chunk layer
///
/// Includes various convenient iteration functions.
@ -102,10 +116,8 @@ impl SectionBlockCoords {
/// block at a given coordinate is stored.
pub fn offset(&self) -> usize {
use BLOCKS_PER_CHUNK as N;
let x = self.xz.x.0 as usize;
let y = self.y.0 as usize;
let z = self.xz.z.0 as usize;
((y * N) + z) * N + x
N * N * y + self.xz.offset()
}
}