game.insert_resource(server);

player_join::register(systems);

systems

.group::<Server>()

.add_system(handle_packets)

.add_system(send_keepalives);

view::register(game, systems);

crate::chunk_subscriptions::register(systems);

player_leave::register(systems);

tablist::register(systems);

block::register(systems);

entity::register(game, systems);

chat::register(game, systems);

particle::register(systems);

plugin_message::register(systems);

gamemode::register(systems);

systems.group::<Server>().add_system(tick_clients);

let mut packets = Vec::new();

for (player, &client_id) in game.ecs.query::<&ClientId>().iter() {

if let Some(client) = server.clients.get(client_id) {

for packet in client.received_packets() {

packets.push((player, packet));

}

}

}

for (player, packet) in packets {

if let Err(e) = crate::packet_handlers::handle_packet(game, server, player, packet) {

log::warn!(

"Failed to handle packet from '{}': {:?}",

&**game.ecs.get::<Name>(player)?,

e

);

}

}

Ok(())

let interval = Duration::from_secs(5);

if server.last_keepalive_time + interval < Instant::now() {

server.broadcast_keepalive();

}

Ok(())

for client in server.clients.iter() {

client.tick();

}

Ok(())