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Copy pathentities.rs
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59 lines (49 loc) · 1.8 KB
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use base::{EntityKind, Position};
use ecs::{EntityBuilder, EntityRef, SysResult};
use quill_common::entity_init::EntityInit;
use uuid::Uuid;
use crate::{Client, NetworkId};
/// Component that sends the spawn packet for an entity
/// using its components.
pub struct SpawnPacketSender(fn(&EntityRef, &Client) -> SysResult);
impl SpawnPacketSender {
pub fn send(&self, entity: &EntityRef, client: &Client) -> SysResult {
(self.0)(entity, client)
}
}
/// Stores the position of an entity on
/// the previous tick. Used to determine
/// when to send movement updates.
#[derive(Copy, Clone, Debug)]
pub struct PreviousPosition(pub Position);
pub fn add_entity_components(builder: &mut EntityBuilder, init: &EntityInit) {
if !builder.has::<NetworkId>() {
builder.add(NetworkId::new());
}
builder.add(PreviousPosition(*builder.get::<Position>().unwrap()));
add_spawn_packet(builder, init);
}
fn add_spawn_packet(builder: &mut EntityBuilder, init: &EntityInit) {
// TODO: object entities spawned with Spawn Entity
// (minecarts, items, ...)
let spawn_packet = match init {
EntityInit::Player => spawn_player,
_ => spawn_living_entity,
};
builder.add(SpawnPacketSender(spawn_packet));
}
fn spawn_player(entity: &EntityRef, client: &Client) -> SysResult {
let network_id = *entity.get::<NetworkId>()?;
let uuid = *entity.get::<Uuid>()?;
let pos = *entity.get::<Position>()?;
client.send_player(network_id, uuid, pos);
Ok(())
}
fn spawn_living_entity(entity: &EntityRef, client: &Client) -> SysResult {
let network_id = *entity.get::<NetworkId>()?;
let uuid = *entity.get::<Uuid>()?;
let pos = *entity.get::<Position>()?;
let kind = *entity.get::<EntityKind>()?;
client.send_living_entity(network_id, uuid, pos, kind);
Ok(())
}