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valence/src/chunk_pos.rs

53 lines
1.2 KiB
Rust

use crate::block::BlockPos;
/// The X and Z position of a chunk in a world.
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
pub struct ChunkPos {
/// The X position of the chunk.
pub x: i32,
/// The Z position of the chunk.
pub z: i32,
}
impl ChunkPos {
/// Constructs a new chunk position.
pub const fn new(x: i32, z: i32) -> Self {
Self { x, z }
}
/// Takes an X and Z position in world space and returns the chunk position
/// containing the point.
pub fn at(x: f64, z: f64) -> Self {
Self::new((x / 16.0).floor() as i32, (z / 16.0).floor() as i32)
}
}
impl From<(i32, i32)> for ChunkPos {
fn from((x, z): (i32, i32)) -> Self {
ChunkPos { x, z }
}
}
impl From<ChunkPos> for (i32, i32) {
fn from(pos: ChunkPos) -> Self {
(pos.x, pos.z)
}
}
impl From<[i32; 2]> for ChunkPos {
fn from([x, z]: [i32; 2]) -> Self {
(x, z).into()
}
}
impl From<ChunkPos> for [i32; 2] {
fn from(pos: ChunkPos) -> Self {
[pos.x, pos.z]
}
}
impl From<BlockPos> for ChunkPos {
fn from(pos: BlockPos) -> Self {
Self::new(pos.x.div_euclid(16), pos.z.div_euclid(16))
}
}