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use std::io::{self, Cursor, Write};
use azalea_buf::{AzBuf, AzBufVar};
use azalea_core::{
entity_id::MinecraftEntityId,
position::{Vec3, Vec3f32},
};
use azalea_protocol_macros::ServerboundGamePacket;
use crate::packets::BufReadError;
#[derive(AzBuf, Clone, Debug, PartialEq, 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, PartialEq)]
pub enum ActionType {
Interact {
hand: InteractionHand,
},
Attack,
InteractAt {
location: Vec3,
hand: InteractionHand,
},
}
impl AzBuf 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 pos = Vec3f32::azalea_read(buf)?;
let hand = InteractionHand::azalea_read(buf)?;
Ok(ActionType::InteractAt {
location: Vec3::from(pos),
hand,
})
}
_ => Err(BufReadError::UnexpectedEnumVariant {
id: action_type as i32,
}),
}
}
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(())
}
}
#[derive(AzBuf, Clone, Copy, Debug, Default, PartialEq)]
pub enum InteractionHand {
#[default]
MainHand = 0,
OffHand = 1,
}
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