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use crate::packets::BufReadError;
use azalea_buf::{McBuf, McBufReadable, McBufVarReadable, McBufVarWritable, McBufWritable};
use azalea_core::Vec3;
use azalea_protocol_macros::ServerboundGamePacket;
use std::io::{Cursor, Write};
#[derive(Clone, Debug, McBuf, ServerboundGamePacket)]
pub struct ServerboundInteractPacket {
#[var]
pub entity_id: u32,
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 McBufWritable for ActionType {
fn write_into(&self, buf: &mut impl Write) -> Result<(), std::io::Error> {
match self {
ActionType::Interact { hand } => {
0u32.var_write_into(buf)?;
hand.write_into(buf)?;
}
ActionType::Attack => {
1u32.var_write_into(buf)?;
}
ActionType::InteractAt { location, hand } => {
2u32.var_write_into(buf)?;
(location.x as f32).write_into(buf)?;
(location.y as f32).write_into(buf)?;
(location.z as f32).write_into(buf)?;
hand.write_into(buf)?;
}
}
Ok(())
}
}
impl McBufReadable for ActionType {
fn read_from(buf: &mut Cursor<&[u8]>) -> Result<Self, BufReadError> {
let action_type = u32::var_read_from(buf)?;
match action_type {
0 => {
let hand = InteractionHand::read_from(buf)?;
Ok(ActionType::Interact { hand })
}
1 => Ok(ActionType::Attack),
2 => {
let x = f32::read_from(buf)?;
let y = f32::read_from(buf)?;
let z = f32::read_from(buf)?;
let hand = InteractionHand::read_from(buf)?;
Ok(ActionType::InteractAt {
location: Vec3 {
x: x as f64,
y: y as f64,
z: z as f64,
},
hand,
})
}
_ => Err(BufReadError::UnexpectedEnumVariant {
id: action_type as i32,
}),
}
}
}
#[derive(McBuf, Clone, Copy, Debug)]
pub enum InteractionHand {
MainHand = 0,
OffHand = 1,
}
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