valence/examples/resource_pack.rs
James P e6f01e5e4d
Custom resource packs (#68)
Implements custom resource pack support.

Adds a `Client` method to set resource pack, and a `ClientEvent` for listening to resource pack status updates from clients.
2022-09-17 19:32:40 -07:00

224 lines
7.4 KiB
Rust

use std::net::SocketAddr;
use std::sync::atomic::{AtomicUsize, Ordering};
use log::LevelFilter;
use valence::async_trait;
use valence::block::{BlockPos, BlockState};
use valence::chunk::UnloadedChunk;
use valence::client::{
handle_event_default, Client, ClientEvent, GameMode, InteractWithEntityKind, ResourcePackStatus,
};
use valence::config::{Config, ServerListPing};
use valence::dimension::DimensionId;
use valence::entity::{EntityId, EntityKind, TrackedData};
use valence::player_list::PlayerListId;
use valence::server::{Server, SharedServer, ShutdownResult};
use valence::text::{Color, TextFormat};
pub fn main() -> ShutdownResult {
env_logger::Builder::new()
.filter_module("valence", LevelFilter::Trace)
.parse_default_env()
.init();
valence::start_server(
Game {
player_count: AtomicUsize::new(0),
},
ServerState {
player_list: None,
sheep_id: None,
},
)
}
struct Game {
player_count: AtomicUsize,
}
struct ServerState {
player_list: Option<PlayerListId>,
sheep_id: Option<EntityId>,
}
#[derive(Default)]
struct ClientState {
entity_id: EntityId,
}
const MAX_PLAYERS: usize = 10;
const SPAWN_POS: BlockPos = BlockPos::new(0, 100, 0);
#[async_trait]
impl Config for Game {
type ServerState = ServerState;
type ClientState = ClientState;
type EntityState = ();
type WorldState = ();
type ChunkState = ();
type PlayerListState = ();
fn max_connections(&self) -> usize {
// We want status pings to be successful even if the server is full.
MAX_PLAYERS + 64
}
async fn server_list_ping(
&self,
_server: &SharedServer<Self>,
_remote_addr: SocketAddr,
_protocol_version: i32,
) -> ServerListPing {
ServerListPing::Respond {
online_players: self.player_count.load(Ordering::SeqCst) as i32,
max_players: MAX_PLAYERS as i32,
player_sample: Default::default(),
description: "Hello Valence!".color(Color::AQUA),
favicon_png: Some(include_bytes!("../assets/logo-64x64.png").as_slice().into()),
}
}
fn init(&self, server: &mut Server<Self>) {
let (world_id, world) = server.worlds.insert(DimensionId::default(), ());
server.state.player_list = Some(server.player_lists.insert(()).0);
let size = 5;
for z in -size..size {
for x in -size..size {
world.chunks.insert([x, z], UnloadedChunk::default(), ());
}
}
let (sheep_id, sheep) = server.entities.insert(EntityKind::Sheep, ());
server.state.sheep_id = Some(sheep_id);
sheep.set_world(world_id);
sheep.set_position([
SPAWN_POS.x as f64 + 0.5,
SPAWN_POS.y as f64 + 4.0,
SPAWN_POS.z as f64 + 0.5,
]);
if let TrackedData::Sheep(sheep_data) = sheep.data_mut() {
sheep_data.set_custom_name("Hit me".color(Color::GREEN));
}
world.chunks.set_block_state(SPAWN_POS, BlockState::BEDROCK);
}
fn update(&self, server: &mut Server<Self>) {
let (world_id, _) = server.worlds.iter_mut().next().expect("missing world");
server.clients.retain(|_, client| {
if client.created_this_tick() {
if self
.player_count
.fetch_update(Ordering::SeqCst, Ordering::SeqCst, |count| {
(count < MAX_PLAYERS).then_some(count + 1)
})
.is_err()
{
client.disconnect("The server is full!".color(Color::RED));
return false;
}
match server
.entities
.insert_with_uuid(EntityKind::Player, client.uuid(), ())
{
Some((id, _)) => client.state.entity_id = id,
None => {
client.disconnect("Conflicting UUID");
return false;
}
}
client.spawn(world_id);
client.set_flat(true);
client.set_game_mode(GameMode::Creative);
client.teleport(
[
SPAWN_POS.x as f64 + 0.5,
SPAWN_POS.y as f64 + 1.0,
SPAWN_POS.z as f64 + 0.5,
],
0.0,
0.0,
);
client.set_player_list(server.state.player_list.clone());
if let Some(id) = &server.state.player_list {
server.player_lists.get_mut(id).insert(
client.uuid(),
client.username(),
client.textures().cloned(),
client.game_mode(),
0,
None,
);
}
set_example_pack(client);
}
if client.is_disconnected() {
self.player_count.fetch_sub(1, Ordering::SeqCst);
if let Some(id) = &server.state.player_list {
server.player_lists.get_mut(id).remove(client.uuid());
}
server.entities.remove(client.state.entity_id);
return false;
}
let player = server.entities.get_mut(client.state.entity_id).unwrap();
while let Some(event) = handle_event_default(client, player) {
match event {
ClientEvent::InteractWithEntity { kind, id, .. } => {
if kind == InteractWithEntityKind::Attack
&& Some(id) == server.state.sheep_id
{
set_example_pack(client);
}
}
ClientEvent::ResourcePackStatusChanged(s) => {
let message = match s {
ResourcePackStatus::SuccessfullyLoaded => {
"The resource pack was successfully loaded!".color(Color::GREEN)
}
ResourcePackStatus::Declined => {
"You declined the resource pack :(".color(Color::RED)
}
ResourcePackStatus::FailedDownload => {
"The resource pack download failed.".color(Color::RED)
}
_ => continue,
};
client.send_message(message.italic());
client.send_message(
"Hit the sheep above you to prompt the resource pack again."
.color(Color::GRAY)
.italic(),
);
}
_ => (),
}
}
true
});
}
}
fn set_example_pack(client: &mut Client<Game>) {
client.set_resource_pack(
"https://download843.mediafire.com/jbx81s8p7jig/dve0hxjaqecy7c6/example_pack.zip"
.to_owned(), // TODO: change to the GitHub URL of /assets/example_pack.zip
String::default(),
false,
None,
);
}