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// TODO: have an azalea-inventory or azalea-container crate and put this there
use azalea_buf::{BufReadError, McBuf, McBufReadable, McBufWritable};
use azalea_nbt::Nbt;
use std::io::{Cursor, Write};
#[derive(Debug, Clone, Default)]
pub enum Slot {
#[default]
Empty,
Present(SlotData),
}
#[derive(Debug, Clone, McBuf)]
pub struct SlotData {
#[var]
pub id: u32,
pub count: u8,
pub nbt: Nbt,
}
impl McBufReadable for Slot {
fn read_from(buf: &mut Cursor<&[u8]>) -> Result<Self, BufReadError> {
let slot = Option::<SlotData>::read_from(buf)?;
Ok(slot.map_or(Slot::Empty, Slot::Present))
}
}
impl McBufWritable for Slot {
fn write_into(&self, buf: &mut impl Write) -> Result<(), std::io::Error> {
match self {
Slot::Empty => false.write_into(buf)?,
Slot::Present(i) => {
true.write_into(buf)?;
i.write_into(buf)?;
}
};
Ok(())
}
}
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