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use std::io::{self, Cursor, Write};
use azalea_buf::{AzBuf, AzaleaRead, AzaleaReadVar, AzaleaWrite, AzaleaWriteVar};
use azalea_core::position::Vec3;
use azalea_protocol_macros::ServerboundGamePacket;
use azalea_world::MinecraftEntityId;
use crate::packets::BufReadError;
#[derive(Clone, Debug, AzBuf, ServerboundGamePacket)]
pub struct ServerboundInteract {
#[var]
pub entity_id: MinecraftEntityId,
pub action: ActionType,
/// Whether the player is sneaking
pub using_secondary_action: bool,
}
#[derive(Clone, Copy, Debug)]
pub enum ActionType {
Interact {
hand: InteractionHand,
},
Attack,
InteractAt {
location: Vec3,
hand: InteractionHand,
},
}
impl AzaleaWrite for ActionType {
fn azalea_write(&self, buf: &mut impl Write) -> io::Result<()> {
match self {
ActionType::Interact { hand } => {
0u32.azalea_write_var(buf)?;
hand.azalea_write(buf)?;
}
ActionType::Attack => {
1u32.azalea_write_var(buf)?;
}
ActionType::InteractAt { location, hand } => {
2u32.azalea_write_var(buf)?;
(location.x as f32).azalea_write(buf)?;
(location.y as f32).azalea_write(buf)?;
(location.z as f32).azalea_write(buf)?;
hand.azalea_write(buf)?;
}
}
Ok(())
}
}
impl AzaleaRead for ActionType {
fn azalea_read(buf: &mut Cursor<&[u8]>) -> Result<Self, BufReadError> {
let action_type = u32::azalea_read_var(buf)?;
match action_type {
0 => {
let hand = InteractionHand::azalea_read(buf)?;
Ok(ActionType::Interact { hand })
}
1 => Ok(ActionType::Attack),
2 => {
let x = f32::azalea_read(buf)?;
let y = f32::azalea_read(buf)?;
let z = f32::azalea_read(buf)?;
let hand = InteractionHand::azalea_read(buf)?;
Ok(ActionType::InteractAt {
location: Vec3 {
x: f64::from(x),
y: f64::from(y),
z: f64::from(z),
},
hand,
})
}
_ => Err(BufReadError::UnexpectedEnumVariant {
id: action_type as i32,
}),
}
}
}
#[derive(AzBuf, Clone, Copy, Debug, Default)]
pub enum InteractionHand {
#[default]
MainHand = 0,
OffHand = 1,
}
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