use azalea_client::local_player::WorldHolder;
use azalea_core::entity_id::MinecraftEntityId;
use bevy_app::{App, Plugin, Update};
use bevy_ecs::prelude::*;
use derive_more::{Deref, DerefMut};
pub struct SwarmPlugin;
impl Plugin for SwarmPlugin {
fn build(&self, app: &mut App) {
app.add_message::<SwarmReadyEvent>()
.add_systems(Update, check_ready)
.init_resource::<IsSwarmReady>();
}
}
#[derive(Message)]
pub struct SwarmReadyEvent;
#[derive(Default, Deref, DerefMut, Resource)]
struct IsSwarmReady(bool);
fn check_ready(
query: Query<Option<&MinecraftEntityId>, With<WorldHolder>>,
mut is_swarm_ready: ResMut<IsSwarmReady>,
mut ready_events: MessageWriter<SwarmReadyEvent>,
) {
if **is_swarm_ready {
return;
}
for entity_id in query.iter() {
if entity_id.is_none() {
return;
}
}
**is_swarm_ready = true;
ready_events.write(SwarmReadyEvent);
}