azalea_protocol/packets/game/
s_interact.rs

1use std::io::{Cursor, Write};
2
3use azalea_buf::{AzBuf, AzaleaRead, AzaleaReadVar, AzaleaWrite, AzaleaWriteVar};
4use azalea_core::position::Vec3;
5use azalea_protocol_macros::ServerboundGamePacket;
6use azalea_world::MinecraftEntityId;
7
8use crate::packets::BufReadError;
9
10#[derive(Clone, Debug, AzBuf, ServerboundGamePacket)]
11pub struct ServerboundInteract {
12    #[var]
13    pub entity_id: MinecraftEntityId,
14    pub action: ActionType,
15    /// Whether the player is sneaking
16    pub using_secondary_action: bool,
17}
18
19#[derive(Clone, Copy, Debug)]
20pub enum ActionType {
21    Interact {
22        hand: InteractionHand,
23    },
24    Attack,
25    InteractAt {
26        location: Vec3,
27        hand: InteractionHand,
28    },
29}
30
31impl AzaleaWrite for ActionType {
32    fn azalea_write(&self, buf: &mut impl Write) -> Result<(), std::io::Error> {
33        match self {
34            ActionType::Interact { hand } => {
35                0u32.azalea_write_var(buf)?;
36                hand.azalea_write(buf)?;
37            }
38            ActionType::Attack => {
39                1u32.azalea_write_var(buf)?;
40            }
41            ActionType::InteractAt { location, hand } => {
42                2u32.azalea_write_var(buf)?;
43                (location.x as f32).azalea_write(buf)?;
44                (location.y as f32).azalea_write(buf)?;
45                (location.z as f32).azalea_write(buf)?;
46                hand.azalea_write(buf)?;
47            }
48        }
49        Ok(())
50    }
51}
52
53impl AzaleaRead for ActionType {
54    fn azalea_read(buf: &mut Cursor<&[u8]>) -> Result<Self, BufReadError> {
55        let action_type = u32::azalea_read_var(buf)?;
56        match action_type {
57            0 => {
58                let hand = InteractionHand::azalea_read(buf)?;
59                Ok(ActionType::Interact { hand })
60            }
61            1 => Ok(ActionType::Attack),
62            2 => {
63                let x = f32::azalea_read(buf)?;
64                let y = f32::azalea_read(buf)?;
65                let z = f32::azalea_read(buf)?;
66                let hand = InteractionHand::azalea_read(buf)?;
67                Ok(ActionType::InteractAt {
68                    location: Vec3 {
69                        x: f64::from(x),
70                        y: f64::from(y),
71                        z: f64::from(z),
72                    },
73                    hand,
74                })
75            }
76            _ => Err(BufReadError::UnexpectedEnumVariant {
77                id: action_type as i32,
78            }),
79        }
80    }
81}
82
83#[derive(AzBuf, Clone, Copy, Debug)]
84pub enum InteractionHand {
85    MainHand = 0,
86    OffHand = 1,
87}