azalea_client/plugins/packet/
mod.rs

1use azalea_entity::metadata::Health;
2use bevy_app::{App, Plugin, Update};
3use bevy_ecs::{
4    prelude::*,
5    system::{SystemParam, SystemState},
6};
7
8use self::game::DeathEvent;
9use crate::{chat::ChatReceivedEvent, events::death_listener};
10
11pub mod config;
12pub mod game;
13pub mod login;
14
15pub struct PacketPlugin;
16
17pub fn death_event_on_0_health(
18    query: Query<(Entity, &Health), Changed<Health>>,
19    mut death_events: MessageWriter<DeathEvent>,
20) {
21    for (entity, health) in query.iter() {
22        if **health == 0. {
23            death_events.write(DeathEvent {
24                entity,
25                packet: None,
26            });
27        }
28    }
29}
30
31impl Plugin for PacketPlugin {
32    fn build(&self, app: &mut App) {
33        app.add_observer(game::handle_outgoing_packets_observer)
34            .add_observer(config::handle_outgoing_packets_observer)
35            .add_observer(login::handle_outgoing_packets_observer)
36            .add_systems(Update, death_event_on_0_health.before(death_listener))
37            .add_message::<game::ReceiveGamePacketEvent>()
38            .add_message::<config::ReceiveConfigPacketEvent>()
39            .add_message::<login::ReceiveLoginPacketEvent>()
40            //
41            .add_message::<game::AddPlayerEvent>()
42            .add_message::<game::RemovePlayerEvent>()
43            .add_message::<game::UpdatePlayerEvent>()
44            .add_message::<ChatReceivedEvent>()
45            .add_message::<game::DeathEvent>()
46            .add_message::<game::KeepAliveEvent>()
47            .add_message::<game::ResourcePackEvent>()
48            .add_message::<game::InstanceLoadedEvent>()
49            .add_message::<login::ReceiveCustomQueryEvent>();
50    }
51}
52
53#[doc(hidden)]
54macro_rules! __declare_packet_handlers {
55    (
56        $packetenum:ident,
57        $packetvar:expr,
58        $handler:ident,
59        [$($packet:path),+ $(,)?]
60    ) => {
61        pastey::paste! {
62           match $packetvar {
63                $(
64                    $packetenum::[< $packet:camel >](p) => $handler.$packet(p),
65                )+
66            }
67        }
68    };
69}
70
71pub(crate) use __declare_packet_handlers as declare_packet_handlers;
72
73pub(crate) fn as_system<T>(ecs: &mut World, f: impl FnOnce(T::Item<'_, '_>))
74where
75    T: SystemParam + 'static,
76{
77    let mut system_state = SystemState::<T>::new(ecs);
78    let values = system_state.get_mut(ecs);
79    f(values);
80    system_state.apply(ecs);
81}
azalea_client/plugins/packet/mod.rs

azalea_client/plugins/packet/
mod.rs
