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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 std::io::{Cursor, Write};
#[derive(Debug, Clone)]
pub enum Slot {
Empty,
Present(SlotData),
}
#[derive(Debug, Clone, McBuf)]
pub struct SlotData {
#[var]
pub id: i32,
pub count: u8,
pub nbt: azalea_nbt::Tag,
}
impl McBufReadable for Slot {
fn read_from(buf: &mut Cursor<&[u8]>) -> Result<Self, BufReadError> {
let present = bool::read_from(buf)?;
if !present {
return Ok(Slot::Empty);
}
let slot = SlotData::read_from(buf)?;
Ok(Slot::Present(slot))
}
}
impl McBufWritable for Slot {
fn write_into(&self, buf: &mut impl Write) -> Result<(), std::io::Error> {
match self {
Slot::Empty => 0u8.write_into(buf)?,
Slot::Present(i) => i.write_into(buf)?,
}
Ok(())
}
}
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