Add clone derive to bloxel storage types

src/bloxel/storage/bloxel_array.rs

@@ -4,6 +4,7 @@ use ndarray::Array3;
 use super::{BloxelStore, BloxelStoreMut};
 use crate::bloxel::math::USize3;
 
+#[derive(Clone)]
 pub struct BloxelArray<T: Copy> {
     size: USize3,
     data: Array3<T>,

src/bloxel/storage/palette_bloxel_storage.rs

@@ -3,6 +3,7 @@ use bevy::math::IVec3;
 use super::{palette_storage::PaletteStorage, BloxelStore, BloxelStoreMut};
 use crate::bloxel::math::USize3;
 
+#[derive(Clone)]
 pub struct PaletteBloxelStorage<T: Copy + Eq> {
     size: USize3,
     data: PaletteStorage<T>,

src/bloxel/storage/palette_storage.rs

@@ -1,5 +1,6 @@
 use bitvec::prelude::*;
 
+#[derive(Clone)]
 pub struct PaletteStorage<T: Copy + Eq> {
     len: usize,
     bits: usize,
@@ -195,6 +196,7 @@ enum FindResult {
 }
 
 // #[derive(Default)]
+#[derive(Clone)]
 struct PaletteEntry<T> {
     value: Option<T>,
     used: usize,