Replace DivRem trait with num-integer crate

This commit is contained in:
Matthias Schiffer 2023-02-12 23:07:55 +01:00
parent 1049aad03d
commit 96736bd7ed
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
4 changed files with 32 additions and 27 deletions

26
Cargo.lock generated
View file

@ -14,6 +14,12 @@ version = "1.0.69"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "224afbd727c3d6e4b90103ece64b8d1b67fbb1973b1046c2281eed3f3803f800"
[[package]]
name = "autocfg"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
[[package]]
name = "bitflags"
version = "1.3.2"
@ -231,6 +237,7 @@ dependencies = [
"fastnbt",
"flate2",
"itertools",
"num-integer",
"serde",
]
@ -243,6 +250,25 @@ dependencies = [
"adler",
]
[[package]]
name = "num-integer"
version = "0.1.45"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
dependencies = [
"autocfg",
"num-traits",
]
[[package]]
name = "num-traits"
version = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
dependencies = [
"autocfg",
]
[[package]]
name = "once_cell"
version = "1.17.0"

View file

@ -15,4 +15,5 @@ enumflags2 = "0.7.5"
fastnbt = "2.3.2"
flate2 = "1.0.25"
itertools = "0.10.5"
num-integer = "0.1.45"
serde = "1.0.152"

View file

@ -1,6 +1,6 @@
use std::{
fmt::Debug,
ops::{Div, Index, IndexMut, Rem},
ops::{Index, IndexMut},
};
use itertools::iproduct;
@ -113,26 +113,3 @@ impl<T> IndexMut<ChunkCoords> for ChunkArray<T> {
&mut self.0[index.z.0 as usize][index.x.0 as usize]
}
}
/// Calculate division and remainder at the same time
pub trait DivRem<Rhs>
where
Self: Div<Rhs>,
Self: Rem<Rhs>,
{
/// Returns the result of the division and remainder operations
/// with the same inputs
fn div_rem(self, rhs: Rhs) -> (<Self as Div<Rhs>>::Output, <Self as Rem<Rhs>>::Output);
}
impl<Lhs, Rhs> DivRem<Rhs> for Lhs
where
Self: Div<Rhs>,
Self: Rem<Rhs>,
Self: Copy,
Rhs: Copy,
{
fn div_rem(self, rhs: Rhs) -> (<Self as Div<Rhs>>::Output, <Self as Rem<Rhs>>::Output) {
(self / rhs, self % rhs)
}
}

View file

@ -1,4 +1,5 @@
use anyhow::{bail, Context, Result};
use num_integer::div_rem;
use super::de;
use crate::{resource, types::*};
@ -112,11 +113,11 @@ impl<'a> SectionV1_13<'a> {
let shifted = if self.aligned_blocks {
let blocks_per_word = 64 / bits;
let (word, shift) = offset.div_rem(blocks_per_word);
let (word, shift) = div_rem(offset, blocks_per_word);
block_states[word] as u64 >> (shift * bits)
} else {
let bit_offset = offset * bits;
let (word, bit_shift) = bit_offset.div_rem(64);
let (word, bit_shift) = div_rem(bit_offset, 64);
if bit_shift + bits <= 64 {
block_states[word] as u64 >> bit_shift
@ -170,7 +171,7 @@ impl<'a> Section for SectionV0<'a> {
let offset = coords.offset();
let block = self.blocks[offset] as u8;
let (data_offset, data_nibble) = offset.div_rem(2);
let (data_offset, data_nibble) = div_rem(offset, 2);
let data_byte = self.data[data_offset] as u8;
let data = if data_nibble == 1 {
data_byte >> 4