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|
use azalea_entity::metadata::Health;
use bevy_app::{App, Plugin, Update};
use bevy_ecs::{
prelude::*,
system::{SystemParam, SystemState},
};
use self::game::DeathEvent;
use crate::chat::ChatReceivedEvent;
pub mod config;
pub mod game;
pub mod login;
pub struct PacketPlugin;
pub fn death_event_on_0_health(
query: Query<(Entity, &Health), Changed<Health>>,
mut death_events: MessageWriter<DeathEvent>,
) {
for (entity, health) in query.iter() {
if **health == 0. {
death_events.write(DeathEvent {
entity,
packet: None,
});
}
}
}
impl Plugin for PacketPlugin {
fn build(&self, app: &mut App) {
app.add_observer(game::handle_outgoing_packets_observer)
.add_observer(config::handle_outgoing_packets_observer)
.add_observer(login::handle_outgoing_packets_observer)
.add_systems(Update, death_event_on_0_health)
.add_message::<game::ReceiveGamePacketEvent>()
.add_message::<config::ReceiveConfigPacketEvent>()
.add_message::<login::ReceiveLoginPacketEvent>()
//
.add_message::<game::AddPlayerEvent>()
.add_message::<game::RemovePlayerEvent>()
.add_message::<game::UpdatePlayerEvent>()
.add_message::<ChatReceivedEvent>()
.add_message::<game::DeathEvent>()
.add_message::<game::KeepAliveEvent>()
.add_message::<game::ResourcePackEvent>()
.add_message::<game::WorldLoadedEvent>()
.add_message::<login::ReceiveCustomQueryEvent>();
}
}
#[doc(hidden)]
macro_rules! __declare_packet_handlers {
(
$packetenum:ident,
$packetvar:expr,
$handler:ident,
[$($packet:path),+ $(,)?]
) => {
pastey::paste! {
match $packetvar {
$(
$packetenum::[< $packet:camel >](p) => $handler.$packet(p),
)+
}
}
};
}
pub(crate) use __declare_packet_handlers as declare_packet_handlers;
pub(crate) fn as_system<T>(ecs: &mut World, f: impl FnOnce(T::Item<'_, '_>))
where
T: SystemParam + 'static,
{
let mut system_state = SystemState::<T>::new(ecs);
let values = system_state.get_mut(ecs);
f(values);
system_state.apply(ecs);
}
|
