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use azalea_buf::{BufReadError, McBuf};
use azalea_crypto::SaltSignaturePair;
use azalea_protocol_macros::ServerboundLoginPacket;
use std::io::{Cursor, Write};
use azalea_buf::{McBufReadable, McBufWritable};
#[derive(Clone, Debug, McBuf, ServerboundLoginPacket)]
pub struct ServerboundKeyPacket {
pub key_bytes: Vec<u8>,
pub nonce_or_salt_signature: NonceOrSaltSignature,
}
#[derive(Clone, Debug)]
pub enum NonceOrSaltSignature {
Nonce(Vec<u8>),
SaltSignature(SaltSignaturePair),
}
impl McBufReadable for NonceOrSaltSignature {
fn read_from(buf: &mut Cursor<&[u8]>) -> Result<Self, BufReadError> {
let is_nonce = bool::read_from(buf)?;
if is_nonce {
Ok(NonceOrSaltSignature::Nonce(Vec::<u8>::read_from(buf)?))
} else {
Ok(NonceOrSaltSignature::SaltSignature(
SaltSignaturePair::read_from(buf)?,
))
}
}
}
impl McBufWritable for NonceOrSaltSignature {
fn write_into(&self, buf: &mut impl Write) -> Result<(), std::io::Error> {
match self {
NonceOrSaltSignature::Nonce(nonce) => {
bool::write_into(&true, buf)?;
nonce.write_into(buf)?;
}
NonceOrSaltSignature::SaltSignature(salt_signature) => {
bool::write_into(&false, buf)?;
salt_signature.write_into(buf)?;
}
}
Ok(())
}
}
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