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use azalea_buf::{BufReadError, McBuf};
use azalea_buf::{McBufReadable, McBufWritable};
use azalea_core::FixedBitSet;
use azalea_protocol_macros::ClientboundGamePacket;
use std::io::{Cursor, Write};
#[derive(Clone, Debug, McBuf, ClientboundGamePacket)]
pub struct ClientboundPlayerAbilitiesPacket {
pub flags: PlayerAbilitiesFlags,
pub flying_speed: f32,
/// Used for the fov
pub walking_speed: f32,
}
#[derive(Clone, Debug)]
pub struct PlayerAbilitiesFlags {
pub invulnerable: bool,
pub flying: bool,
pub can_fly: bool,
pub instant_break: bool,
}
impl McBufReadable for PlayerAbilitiesFlags {
fn read_from(buf: &mut Cursor<&[u8]>) -> Result<Self, BufReadError> {
let set = FixedBitSet::<4>::read_from(buf)?;
Ok(PlayerAbilitiesFlags {
invulnerable: set.index(0),
flying: set.index(1),
can_fly: set.index(2),
instant_break: set.index(3),
})
}
}
impl McBufWritable for PlayerAbilitiesFlags {
fn write_into(&self, buf: &mut impl Write) -> Result<(), std::io::Error> {
let mut set = FixedBitSet::<4>::new();
if self.invulnerable {
set.set(0);
}
if self.flying {
set.set(1);
}
if self.can_fly {
set.set(2);
}
if self.instant_break {
set.set(3);
}
set.write_into(buf)
}
}
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