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particle.rs

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//! Implements particle entities.

use feather_core::misc::ParticleData;

use feather_core::network::{packets, Packet};

use feather_core::util::Position;

use feather_server_types::{ParticleCount, SpawnPacketCreator};

use fecs::{EntityBuilder, EntityRef};

/// Creates a particle with the given kind and count.

pub fn create(kind: ParticleData, count: u32) -> EntityBuilder {

crate::base()

.with(kind)

.with(ParticleCount(count))

.with(SpawnPacketCreator(&create_spawn_packet))

}

fn create_spawn_packet(accessor: &EntityRef) -> Box<dyn Packet> {

let particle = accessor.get::<ParticleData>();

let count = accessor.get::<ParticleCount>().0;

let pos = *accessor.get::<Position>();

Box::new(packets::Particle {

long_distance: false,

x: pos.x as f32,

y: pos.y as f32,

z: pos.z as f32,

offset_x: 0.0, // TODO: offsets

offset_y: 0.0,

offset_z: 0.0,

particle_data: 0.0, // TODO: what is this?

particle_count: count as i32,

data: *particle,

})

}