307 lines
9.1 KiB
Rust
307 lines
9.1 KiB
Rust
use std::{
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collections::HashMap,
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net::SocketAddr,
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time::{Duration, Instant},
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};
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use godot::{prelude::*, tools::get_autoload_by_name};
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use serde::{Deserialize, Serialize};
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use teanet::{Peer, PeerConfig, PeerMessage};
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use crate::{
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game_manager::{Game, GameManager, GameOption, GameOptionValue, NetPlayer},
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net::{net_stats::Stats, util::NetVector3},
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player::{DamageSource, NetTransform},
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ui::cli::{CliColor, CommandLinePanel},
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weapon::WeaponType,
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};
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#[derive(GodotClass)]
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#[class(base=Node)]
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pub struct NetworkManager {
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#[export]
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lobby_scene: Option<Gd<PackedScene>>,
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pub peer: Option<PeerKind>,
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last_hello: Instant,
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last_netstat_update: Instant,
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last_player_update: Instant,
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base: Base<Node>,
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}
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pub const NETWORK_SINGLETON_NAME: &str = "NetworkManagerGlob";
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#[godot_api]
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impl INode for NetworkManager {
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fn init(base: Base<Node>) -> Self {
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NetworkManager {
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lobby_scene: None,
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peer: None,
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last_hello: Instant::now(),
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last_netstat_update: Instant::now(),
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last_player_update: Instant::now(),
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base,
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}
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}
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fn ready(&mut self) {
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let mut cli = CommandLinePanel::singleton();
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cli.bind_mut()
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.signals()
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.on_host()
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.connect_other(self, |s, port| s.host(port));
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cli.bind_mut()
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.signals()
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.on_join()
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.connect_other(self, |s, addr| s.join(addr.parse().unwrap()));
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cli.bind_mut()
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.signals()
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.on_disconnect()
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.connect_other(self, |s| s.disconnect());
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}
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fn physics_process(&mut self, _delta: f64) {
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if let Some(peer) = &mut self.peer {
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let now = Instant::now();
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if now - self.last_netstat_update > Duration::from_millis(1000) {
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Stats::singleton().bind_mut().update_stats(match peer {
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PeerKind::Client(peer, _) => peer.statistics(),
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PeerKind::Server(peer, _) => peer.statistics(),
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});
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self.last_netstat_update = now;
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}
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if now - self.last_player_update > Duration::from_millis(500) {
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self.last_player_update = now;
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if let PeerKind::Server(peer, _) = peer {
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let mut pings = HashMap::new();
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for connection in peer.connections() {
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if let Some(mut game) = Game::singleton() {
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let player = game
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.bind()
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.find_player_by_addr(&connection.address)
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.cloned();
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if let Some(player) = player {
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game.bind_mut()
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.update_player_ping(player.id(), connection.ping.as_millis());
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pings.insert(player.id(), connection.ping.as_millis());
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}
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}
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}
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peer.broadcast_reliable(Package::UpdatePings(pings));
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}
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}
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match peer {
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PeerKind::Client(..) => {}
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PeerKind::Server(peer, _) => {
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if now - self.last_hello > Duration::from_millis(2000) {
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self.last_hello = now;
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peer.broadcast_reliable(Package::Hello);
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}
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}
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}
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while let Some(message) = self.poll() {
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self.handle_message(message);
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}
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}
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}
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}
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impl NetworkManager {
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fn poll(&mut self) -> Option<PeerMessage<Package>> {
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let mut cli = CommandLinePanel::singleton();
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if let Some(peer) = &mut self.peer {
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let peer = match peer {
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PeerKind::Client(peer, _) => peer,
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PeerKind::Server(peer, _) => peer,
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};
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let result = peer.poll();
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match result {
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Ok(msg) => msg,
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Err(err) => {
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cli.bind_mut()
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.publish_message(format!("Error: {}", err), CliColor::Error);
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None
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}
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}
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} else {
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None
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}
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}
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pub fn singleton() -> Gd<NetworkManager> {
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get_autoload_by_name::<NetworkManager>(NETWORK_SINGLETON_NAME)
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}
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pub fn is_host(&self) -> bool {
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if let Some(peer) = &self.peer {
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if let PeerKind::Server(_, _) = peer {
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true
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} else {
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false
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}
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} else {
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false
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}
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}
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pub fn host(&mut self, port: u16) {
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if self.peer.is_none() {
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let mut cli = CommandLinePanel::singleton();
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cli.bind_mut()
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.publish_message(format!("Hosting server at {}", port), CliColor::Info);
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let peer = Peer::listen(Some(port), PeerConfig::default());
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match peer {
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Ok(peer) => {
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self.peer = Some(PeerKind::Server(peer, port));
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cli.bind_mut()
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.publish_message(format!("Server hosted"), CliColor::Info);
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self.swap_to_lobby(true);
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if let Some(game) = &mut Game::singleton() {
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let id = game.bind_mut().new_player(
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SocketAddr::from(([0, 0, 0, 0], 0)),
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Some("Host".to_owned()),
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None,
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);
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game.bind_mut().update_player_ready(id, true);
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game.bind_mut().set_self(id);
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}
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}
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Err(err) => {
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cli.bind_mut()
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.publish_message(format!("Error hosting server: {}", err), CliColor::Error);
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}
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}
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}
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}
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pub fn join(&mut self, addr: SocketAddr) {
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if self.peer.is_none() {
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let mut cli = CommandLinePanel::singleton();
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cli.bind_mut()
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.publish_message(format!("Joining server at {}", addr), CliColor::Info);
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let peer = Peer::listen(None, PeerConfig::default());
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match peer {
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Ok(mut peer) => {
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peer.connect_to(addr);
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self.peer = Some(PeerKind::Client(peer, addr));
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}
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Err(err) => {
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cli.bind_mut()
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.publish_message(format!("Error joining server: {}", err), CliColor::Error);
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}
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}
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}
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}
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pub fn disconnect(&mut self) {
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if let Some(peer) = &mut self.peer {
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match peer {
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PeerKind::Client(peer, _) => peer.close(),
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PeerKind::Server(peer, _) => peer.close(),
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}
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}
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}
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pub fn swap_to_lobby(&self, is_host: bool) {
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if let Some(scene) = &self.lobby_scene {
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self.base().get_tree().change_scene_to_packed(scene);
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GameManager::singleton().bind_mut().init_game(is_host);
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}
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}
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pub fn update_nick(&mut self, nick: String) {
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if let Some(peer) = &mut self.peer {
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match peer {
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PeerKind::Client(peer, addr) => {
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peer.send_reliable(&addr, Package::SetSelfNick(nick));
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}
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PeerKind::Server(peer, ..) => {
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let player_id = if let Some(game) = Game::singleton() {
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game.bind().self_id.unwrap_or(0)
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} else {
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0
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};
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peer.broadcast_reliable(Package::SetNick(player_id, nick));
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}
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}
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}
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}
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub enum Package {
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Hello,
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// Meta values
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Players(Vec<NetPlayer>, u16),
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UpdatePings(HashMap<u16, u128>),
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SetNick(u16, String),
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SetSelfNick(String),
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NewPlayer(NetPlayer),
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PlayerLeft(NetPlayer),
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SetTeam(u16, u8),
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GameOptionChanged(GameOption, GameOptionValue),
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// Lobby packages
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SetReady(u16, bool),
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SelectMap(u8),
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GameStarted,
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MapLoaded,
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// Game packages
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SpawnPlayer(u16, NetTransform),
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Sync(HashMap<u16, SyncPackage>, Option<BallSync>),
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SelfSync(SyncPackage),
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Jump(u16),
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Shoot(u16, NetVector3, NetTransform, f32),
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TakeDamage(DamageSource, u16, i32),
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Kill(DamageSource, u16),
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SpawnBall(NetTransform, NetVector3, Option<u16>),
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DespawnBall,
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SwapWeapon(u16, WeaponType),
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Goal(Vec<u8>),
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct SyncPackage {
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pub movement_direction: NetVector3,
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pub look_up: f32,
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pub transform: NetTransform,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct BallSync {
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pub transform: NetTransform,
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pub velocity: NetVector3,
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}
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pub enum PeerKind {
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Client(Peer<Package>, SocketAddr),
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Server(Peer<Package>, u16),
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}
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impl PeerKind {
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pub fn is_host(&self) -> bool {
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match self {
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PeerKind::Client(_, _) => false,
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PeerKind::Server(_, _) => true,
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}
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}
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}
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