896 lines
37 KiB
Rust
896 lines
37 KiB
Rust
// Copyright 2015 Matthew Collins
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use protocol::{self, mojang, packet};
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use world;
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use world::block;
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use rand::{self, Rng};
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use std::sync::{Arc, RwLock};
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use std::sync::mpsc;
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use std::thread;
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use std::collections::HashMap;
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use std::hash::BuildHasherDefault;
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use types::hash::FNVHash;
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use resources;
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use render;
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use settings::Stevenkey;
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use ecs;
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use entity;
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use cgmath::{self, Point};
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use types::Gamemode;
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use shared::{Axis, Position};
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use format;
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mod sun;
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pub mod plugin_messages;
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pub mod target;
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pub struct Server {
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username: String,
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uuid: protocol::UUID,
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conn: Option<protocol::Conn>,
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read_queue: Option<mpsc::Receiver<Result<packet::Packet, protocol::Error>>>,
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pub disconnect_reason: Option<format::Component>,
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just_disconnected: bool,
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pub world: world::World,
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pub entities: ecs::Manager,
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world_age: i64,
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world_time: f64,
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world_time_target: f64,
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tick_time: bool,
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resources: Arc<RwLock<resources::Manager>>,
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version: usize,
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// Entity accessors
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game_info: ecs::Key<entity::GameInfo>,
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player_movement: ecs::Key<entity::player::PlayerMovement>,
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gravity: ecs::Key<entity::Gravity>,
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position: ecs::Key<entity::Position>,
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target_position: ecs::Key<entity::TargetPosition>,
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velocity: ecs::Key<entity::Velocity>,
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gamemode: ecs::Key<Gamemode>,
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pub rotation: ecs::Key<entity::Rotation>,
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target_rotation: ecs::Key<entity::TargetRotation>,
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//
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pub player: Option<ecs::Entity>,
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entity_map: HashMap<i32, ecs::Entity, BuildHasherDefault<FNVHash>>,
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players: HashMap<protocol::UUID, PlayerInfo, BuildHasherDefault<FNVHash>>,
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tick_timer: f64,
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entity_tick_timer: f64,
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sun_model: Option<sun::SunModel>,
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target_info: target::Info,
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}
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pub struct PlayerInfo {
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name: String,
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uuid: protocol::UUID,
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skin_url: Option<String>,
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display_name: Option<format::Component>,
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ping: i32,
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gamemode: Gamemode,
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}
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macro_rules! handle_packet {
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($s:ident $pck:ident {
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$($packet:ident => $func:ident,)*
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}) => (
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match $pck {
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$(
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protocol::packet::Packet::$packet(val) => $s.$func(val),
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)*
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_ => {},
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}
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)
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}
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impl Server {
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pub fn connect(resources: Arc<RwLock<resources::Manager>>, profile: mojang::Profile, address: &str) -> Result<Server, protocol::Error> {
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use openssl::crypto::pkey;
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use openssl::crypto::rand::rand_bytes;
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let mut conn = try!(protocol::Conn::new(address));
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let host = conn.host.clone();
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let port = conn.port;
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try!(conn.write_packet(protocol::packet::handshake::serverbound::Handshake {
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protocol_version: protocol::VarInt(protocol::SUPPORTED_PROTOCOL),
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host: host,
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port: port,
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next: protocol::VarInt(2),
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}));
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conn.state = protocol::State::Login;
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try!(conn.write_packet(protocol::packet::login::serverbound::LoginStart {
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username: profile.username.clone(),
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}));
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let packet;
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loop {
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match try!(conn.read_packet()) {
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protocol::packet::Packet::SetInitialCompression(val) => {
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conn.set_compresssion(val.threshold.0);
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},
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protocol::packet::Packet::EncryptionRequest(val) => {
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packet = val;
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break;
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},
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protocol::packet::Packet::LoginSuccess(val) => {
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warn!("Server is running in offline mode");
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debug!("Login: {} {}", val.username, val.uuid);
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let mut read = conn.clone();
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let mut write = conn.clone();
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read.state = protocol::State::Play;
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write.state = protocol::State::Play;
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let rx = Self::spawn_reader(read);
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return Ok(Server::new(val.username, protocol::UUID::from_str(&val.uuid), resources, Some(write), Some(rx)));
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}
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protocol::packet::Packet::LoginDisconnect(val) => return Err(protocol::Error::Disconnect(val.reason)),
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val => return Err(protocol::Error::Err(format!("Wrong packet: {:?}", val))),
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};
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}
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let mut key = pkey::PKey::new();
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key.load_pub(&packet.public_key.data);
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let shared = rand_bytes(16);
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let shared_e = key.public_encrypt_with_padding(&shared, pkey::EncryptionPadding::PKCS1v15);
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let token_e = key.public_encrypt_with_padding(&packet.verify_token.data, pkey::EncryptionPadding::PKCS1v15);
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try!(profile.join_server(&packet.server_id, &shared, &packet.public_key.data));
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try!(conn.write_packet(protocol::packet::login::serverbound::EncryptionResponse {
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shared_secret: protocol::LenPrefixedBytes::new(shared_e),
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verify_token: protocol::LenPrefixedBytes::new(token_e),
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}));
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let mut read = conn.clone();
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let mut write = conn.clone();
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read.enable_encyption(&shared, true);
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write.enable_encyption(&shared, false);
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let username;
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let uuid;
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loop {
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match try!(read.read_packet()) {
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protocol::packet::Packet::SetInitialCompression(val) => {
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read.set_compresssion(val.threshold.0);
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write.set_compresssion(val.threshold.0);
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}
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protocol::packet::Packet::LoginSuccess(val) => {
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debug!("Login: {} {}", val.username, val.uuid);
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username = val.username;
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uuid = val.uuid;
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read.state = protocol::State::Play;
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write.state = protocol::State::Play;
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break;
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}
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protocol::packet::Packet::LoginDisconnect(val) => return Err(protocol::Error::Disconnect(val.reason)),
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val => return Err(protocol::Error::Err(format!("Wrong packet: {:?}", val))),
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}
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}
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let rx = Self::spawn_reader(read);
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Ok(Server::new(username, protocol::UUID::from_str(&uuid), resources, Some(write), Some(rx)))
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}
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fn spawn_reader(mut read: protocol::Conn) -> mpsc::Receiver<Result<packet::Packet, protocol::Error>> {
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let (tx, rx) = mpsc::channel();
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thread::spawn(move || {
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loop {
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let pck = read.read_packet();
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let was_error = pck.is_err();
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if let Err(_) = tx.send(pck) {
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return;
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}
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if was_error {
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return;
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}
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}
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});
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rx
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}
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pub fn dummy_server(resources: Arc<RwLock<resources::Manager>>) -> Server {
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let mut server = Server::new("dummy".to_owned(), protocol::UUID::default(), resources, None, None);
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let mut rng = rand::thread_rng();
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for x in -7*16 .. 7*16 {
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for z in -7*16 .. 7*16 {
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let h = 5 + (6.0 * (x as f64 / 16.0).cos() * (z as f64 / 16.0).sin()) as i32;
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for y in 0 .. h {
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server.world.set_block(Position::new(x, y, z), block::Dirt{ snowy: false, variant: block::DirtVariant::Normal });
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}
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server.world.set_block(Position::new(x, h, z), block::Grass{ snowy: false });
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if x*x + z*z > 16*16 && rng.gen_weighted_bool(80) {
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for i in 0 .. 5 {
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server.world.set_block(Position::new(x, h + 1 + i, z), block::Log{ axis: Axis::Y, variant: block::TreeVariant::Oak });
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}
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for xx in -2 .. 3 {
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for zz in -2 .. 3 {
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if xx == 0 && z == 0 {
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continue;
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}
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server.world.set_block(Position::new(x + xx, h + 3, z + zz), block::Leaves{ variant: block::TreeVariant::Oak, check_decay: false, decayable: false });
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server.world.set_block(Position::new(x + xx, h + 4, z + zz), block::Leaves{ variant: block::TreeVariant::Oak, check_decay: false, decayable: false });
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if xx.abs() <= 1 && zz.abs() <= 1 {
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server.world.set_block(Position::new(x + xx, h + 5, z + zz), block::Leaves{ variant: block::TreeVariant::Oak, check_decay: false, decayable: false });
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}
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if xx * xx + zz * zz <= 1 {
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server.world.set_block(Position::new(x + xx, h + 6, z + zz), block::Leaves{ variant: block::TreeVariant::Oak, check_decay: false, decayable: false });
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}
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}
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}
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}
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}
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}
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server
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}
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fn new(
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username: String, uuid: protocol::UUID,
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resources: Arc<RwLock<resources::Manager>>,
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conn: Option<protocol::Conn>, read_queue: Option<mpsc::Receiver<Result<packet::Packet, protocol::Error>>>
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) -> Server {
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let mut entities = ecs::Manager::new();
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entity::add_systems(&mut entities);
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let world_entity = entities.get_world();
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let game_info = entities.get_key();
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entities.add_component(world_entity, game_info, entity::GameInfo::new());
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let version = resources.read().unwrap().version();
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Server {
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username: username,
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uuid: uuid,
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conn: conn,
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read_queue: read_queue,
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disconnect_reason: None,
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just_disconnected: false,
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world: world::World::new(),
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world_age: 0,
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world_time: 0.0,
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world_time_target: 0.0,
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tick_time: true,
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version: version,
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resources: resources,
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// Entity accessors
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game_info: game_info,
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player_movement: entities.get_key(),
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gravity: entities.get_key(),
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position: entities.get_key(),
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target_position: entities.get_key(),
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velocity: entities.get_key(),
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gamemode: entities.get_key(),
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rotation: entities.get_key(),
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target_rotation: entities.get_key(),
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//
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entities: entities,
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player: None,
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entity_map: HashMap::with_hasher(BuildHasherDefault::default()),
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players: HashMap::with_hasher(BuildHasherDefault::default()),
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tick_timer: 0.0,
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entity_tick_timer: 0.0,
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sun_model: None,
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target_info: target::Info::new(),
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}
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}
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pub fn disconnect(&mut self, reason: Option<format::Component>) {
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self.conn = None;
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self.disconnect_reason = reason;
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if let Some(player) = self.player.take() {
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self.entities.remove_entity(player);
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}
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self.just_disconnected = true;
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}
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pub fn is_connected(&self) -> bool {
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self.conn.is_some()
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}
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pub fn tick(&mut self, renderer: &mut render::Renderer, delta: f64) {
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let version = self.resources.read().unwrap().version();
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if version != self.version {
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self.version = version;
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self.world.flag_dirty_all();
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}
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// TODO: Check if the world type actually needs a sun
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if self.sun_model.is_none() {
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self.sun_model = Some(sun::SunModel::new(renderer));
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}
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// Copy to camera
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if let Some(player) = self.player {
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let position = self.entities.get_component(player, self.position).unwrap();
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let rotation = self.entities.get_component(player, self.rotation).unwrap();
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renderer.camera.pos = cgmath::Point::from_vec(position.position + cgmath::Vector3::new(0.0, 1.62, 0.0));
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renderer.camera.yaw = rotation.yaw;
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renderer.camera.pitch = rotation.pitch;
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}
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self.entity_tick(renderer, delta);
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self.tick_timer += delta;
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while self.tick_timer >= 3.0 && self.is_connected() {
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self.minecraft_tick();
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self.tick_timer -= 3.0;
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}
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self.update_time(renderer, delta);
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if let Some(sun_model) = self.sun_model.as_mut() {
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sun_model.tick(renderer, self.world_time, self.world_age);
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}
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self.world.tick(&mut self.entities);
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if self.player.is_some() {
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if let Some((pos, bl, _, _)) = target::trace_ray(&self.world, 4.0, renderer.camera.pos.to_vec(), renderer.view_vector.cast(), target::test_block) {
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self.target_info.update(renderer, pos, bl);
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} else {
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self.target_info.clear(renderer);
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}
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} else {
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self.target_info.clear(renderer);
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}
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}
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fn entity_tick(&mut self, renderer: &mut render::Renderer, delta: f64) {
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let world_entity = self.entities.get_world();
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// Update the game's state for entities to read
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self.entities.get_component_mut(world_entity, self.game_info)
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.unwrap().delta = delta;
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// Packets modify entities so need to handled here
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if let Some(rx) = self.read_queue.take() {
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while let Ok(pck) = rx.try_recv() {
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match pck {
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Ok(pck) => handle_packet!{
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self pck {
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JoinGame => on_game_join,
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Respawn => on_respawn,
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KeepAliveClientbound => on_keep_alive,
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ChunkData => on_chunk_data,
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ChunkUnload => on_chunk_unload,
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BlockChange => on_block_change,
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MultiBlockChange => on_multi_block_change,
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TeleportPlayer => on_teleport,
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TimeUpdate => on_time_update,
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ChangeGameState => on_game_state_change,
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UpdateBlockEntity => on_block_entity_update,
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PlayerInfo => on_player_info,
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Disconnect => on_disconnect,
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// Entities
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EntityDestroy => on_entity_destroy,
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SpawnPlayer => on_player_spawn,
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EntityTeleport => on_entity_teleport,
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EntityMove => on_entity_move,
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EntityLook => on_entity_look,
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EntityLookAndMove => on_entity_look_and_move,
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}
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},
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Err(err) => panic!("Err: {:?}", err),
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}
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// Disconnected
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if self.conn.is_none() {
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break;
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}
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}
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if self.conn.is_some() {
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self.read_queue = Some(rx);
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}
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}
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if self.is_connected() || self.just_disconnected { // Allow an extra tick when disconnected to clean up
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self.just_disconnected = false;
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self.entity_tick_timer += delta;
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while self.entity_tick_timer >= 3.0 {
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self.entities.tick(&mut self.world, renderer);
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self.entity_tick_timer -= 3.0;
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}
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self.entities.render_tick(&mut self.world, renderer);
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}
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}
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pub fn remove(&mut self, renderer: &mut render::Renderer) {
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self.entities.remove_all_entities(&mut self.world, renderer);
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if let Some(mut sun_model) = self.sun_model.take() {
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sun_model.remove(renderer);
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}
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self.target_info.clear(renderer);
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}
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fn update_time(&mut self, renderer: &mut render::Renderer, delta: f64) {
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if self.tick_time {
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self.world_time_target += delta / 3.0;
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self.world_time_target = (24000.0 + self.world_time_target) % 24000.0;
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let mut diff = self.world_time_target - self.world_time;
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if diff < -12000.0 {
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diff += 24000.0
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} else if diff > 12000.0 {
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diff -= 24000.0
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}
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self.world_time += diff * (1.5 / 60.0) * delta;
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self.world_time = (24000.0 + self.world_time) % 24000.0;
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} else {
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self.world_time = self.world_time_target;
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}
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renderer.sky_offset = self.calculate_sky_offset();
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}
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fn calculate_sky_offset(&self) -> f32 {
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use std::f32::consts::PI;
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let mut offset = ((1.0 + self.world_time as f32) / 24000.0) - 0.25;
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if offset < 0.0 {
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offset += 1.0;
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} else if offset > 1.0 {
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offset -= 1.0;
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}
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let prev_offset = offset;
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offset = 1.0 - (((offset * PI).cos() + 1.0) / 2.0);
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offset = prev_offset + (offset - prev_offset) / 3.0;
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offset = 1.0 - ((offset * PI * 2.0).cos() * 2.0 + 0.2);
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if offset > 1.0 {
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offset = 1.0;
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} else if offset < 0.0 {
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offset = 0.0;
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}
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offset = 1.0 - offset;
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offset * 0.8 + 0.2
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}
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pub fn minecraft_tick(&mut self) {
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use std::f32::consts::PI;
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if let Some(player) = self.player {
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let movement = self.entities.get_component_mut(player, self.player_movement).unwrap();
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let on_ground = self.entities.get_component(player, self.gravity).map_or(false, |v| v.on_ground);
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let position = self.entities.get_component(player, self.target_position).unwrap();
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let rotation = self.entities.get_component(player, self.rotation).unwrap();
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// Force the server to know when touched the ground
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// otherwise if it happens between ticks the server
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// will think we are flying.
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let on_ground = if movement.did_touch_ground {
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movement.did_touch_ground = false;
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true
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} else {
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on_ground
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};
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// Sync our position to the server
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// Use the smaller packets when possible
|
|
let packet = packet::play::serverbound::PlayerPositionLook {
|
|
x: position.position.x,
|
|
y: position.position.y,
|
|
z: position.position.z,
|
|
yaw: -(rotation.yaw as f32) * (180.0 / PI),
|
|
pitch: (-rotation.pitch as f32) * (180.0 / PI) + 180.0,
|
|
on_ground: on_ground,
|
|
};
|
|
self.write_packet(packet);
|
|
}
|
|
}
|
|
|
|
pub fn key_press(&mut self, down: bool, key: Stevenkey) {
|
|
if let Some(player) = self.player {
|
|
if let Some(movement) = self.entities.get_component_mut(player, self.player_movement) {
|
|
movement.pressed_keys.insert(key, down);
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn on_right_click(&mut self, renderer: &mut render::Renderer) {
|
|
use shared::Direction;
|
|
if self.player.is_some() {
|
|
if let Some((pos, _, face, at)) = target::trace_ray(&self.world, 4.0, renderer.camera.pos.to_vec(), renderer.view_vector.cast(), target::test_block) {
|
|
self.write_packet(packet::play::serverbound::PlayerBlockPlacement {
|
|
location: pos,
|
|
face: protocol::VarInt(match face {
|
|
Direction::Down => 0,
|
|
Direction::Up => 1,
|
|
Direction::North => 2,
|
|
Direction::South => 3,
|
|
Direction::West => 4,
|
|
Direction::East => 5,
|
|
_ => unreachable!(),
|
|
}),
|
|
hand: protocol::VarInt(0),
|
|
cursor_x: at.x as f32,
|
|
cursor_y: at.y as f32,
|
|
cursor_z: at.z as f32
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn write_packet<T: protocol::PacketType>(&mut self, p: T) {
|
|
let _ = self.conn.as_mut().unwrap().write_packet(p); // TODO handle errors
|
|
}
|
|
|
|
fn on_keep_alive(&mut self, keep_alive: packet::play::clientbound::KeepAliveClientbound) {
|
|
self.write_packet(packet::play::serverbound::KeepAliveServerbound {
|
|
id: keep_alive.id,
|
|
});
|
|
}
|
|
|
|
fn on_game_join(&mut self, join: packet::play::clientbound::JoinGame) {
|
|
let gamemode = Gamemode::from_int((join.gamemode & 0x7) as i32);
|
|
let player = entity::player::create_local(&mut self.entities);
|
|
if let Some(info) = self.players.get(&self.uuid) {
|
|
let model = self.entities.get_component_mut_direct::<entity::player::PlayerModel>(player).unwrap();
|
|
model.set_skin(info.skin_url.clone());
|
|
}
|
|
*self.entities.get_component_mut(player, self.gamemode).unwrap() = gamemode;
|
|
// TODO: Temp
|
|
self.entities.get_component_mut(player, self.player_movement).unwrap().flying = gamemode.can_fly();
|
|
|
|
self.entity_map.insert(join.entity_id, player);
|
|
self.player = Some(player);
|
|
|
|
// Let the server know who we are
|
|
self.write_packet(plugin_messages::Brand {
|
|
brand: "Steven".into(),
|
|
}.as_message());
|
|
}
|
|
|
|
fn on_respawn(&mut self, respawn: packet::play::clientbound::Respawn) {
|
|
self.world = world::World::new();
|
|
let gamemode = Gamemode::from_int((respawn.gamemode & 0x7) as i32);
|
|
|
|
if let Some(player) = self.player {
|
|
*self.entities.get_component_mut(player, self.gamemode).unwrap() = gamemode;
|
|
// TODO: Temp
|
|
self.entities.get_component_mut(player, self.player_movement).unwrap().flying = gamemode.can_fly();
|
|
}
|
|
}
|
|
|
|
fn on_disconnect(&mut self, disconnect: packet::play::clientbound::Disconnect) {
|
|
self.disconnect(Some(disconnect.reason));
|
|
}
|
|
|
|
fn on_time_update(&mut self, time_update: packet::play::clientbound::TimeUpdate) {
|
|
self.world_age = time_update.time_of_day;
|
|
self.world_time_target = (time_update.time_of_day % 24000) as f64;
|
|
if self.world_time_target < 0.0 {
|
|
self.world_time_target = -self.world_time_target;
|
|
self.tick_time = false;
|
|
} else {
|
|
self.tick_time = true;
|
|
}
|
|
}
|
|
|
|
fn on_game_state_change(&mut self, game_state: packet::play::clientbound::ChangeGameState) {
|
|
if game_state.reason == 3 {
|
|
if let Some(player) = self.player {
|
|
let gamemode = Gamemode::from_int(game_state.value as i32);
|
|
*self.entities.get_component_mut(player, self.gamemode).unwrap() = gamemode;
|
|
// TODO: Temp
|
|
self.entities.get_component_mut(player, self.player_movement).unwrap().flying = gamemode.can_fly();
|
|
}
|
|
}
|
|
}
|
|
|
|
fn on_entity_destroy(&mut self, entity_destroy: packet::play::clientbound::EntityDestroy) {
|
|
for id in entity_destroy.entity_ids.data {
|
|
if let Some(entity) = self.entity_map.remove(&id.0) {
|
|
self.entities.remove_entity(entity);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn on_entity_teleport(&mut self, entity_telport: packet::play::clientbound::EntityTeleport) {
|
|
use std::f64::consts::PI;
|
|
if let Some(entity) = self.entity_map.get(&entity_telport.entity_id.0) {
|
|
let target_position = self.entities.get_component_mut(*entity, self.target_position).unwrap();
|
|
let target_rotation = self.entities.get_component_mut(*entity, self.target_rotation).unwrap();
|
|
target_position.position.x = entity_telport.x;
|
|
target_position.position.y = entity_telport.y;
|
|
target_position.position.z = entity_telport.z;
|
|
target_rotation.yaw = -((entity_telport.yaw as f64) / 256.0) * PI * 2.0;
|
|
target_rotation.pitch = -((entity_telport.pitch as f64) / 256.0) * PI * 2.0;
|
|
}
|
|
}
|
|
|
|
fn on_entity_move(&mut self, m: packet::play::clientbound::EntityMove) {
|
|
if let Some(entity) = self.entity_map.get(&m.entity_id.0) {
|
|
let position = self.entities.get_component_mut(*entity, self.target_position).unwrap();
|
|
position.position.x += m.delta_x as f64 / (32.0 * 128.0);
|
|
position.position.y += m.delta_y as f64 / (32.0 * 128.0);
|
|
position.position.z += m.delta_z as f64 / (32.0 * 128.0);
|
|
}
|
|
}
|
|
|
|
fn on_entity_look(&mut self, look: packet::play::clientbound::EntityLook) {
|
|
use std::f64::consts::PI;
|
|
if let Some(entity) = self.entity_map.get(&look.entity_id.0) {
|
|
let rotation = self.entities.get_component_mut(*entity, self.target_rotation).unwrap();
|
|
rotation.yaw = -((look.yaw as f64) / 256.0) * PI * 2.0;
|
|
rotation.pitch = -((look.pitch as f64) / 256.0) * PI * 2.0;
|
|
}
|
|
}
|
|
|
|
fn on_entity_look_and_move(&mut self, lookmove: packet::play::clientbound::EntityLookAndMove) {
|
|
use std::f64::consts::PI;
|
|
if let Some(entity) = self.entity_map.get(&lookmove.entity_id.0) {
|
|
let position = self.entities.get_component_mut(*entity, self.target_position).unwrap();
|
|
let rotation = self.entities.get_component_mut(*entity, self.target_rotation).unwrap();
|
|
position.position.x += lookmove.delta_x as f64 / (32.0 * 128.0);
|
|
position.position.y += lookmove.delta_y as f64 / (32.0 * 128.0);
|
|
position.position.z += lookmove.delta_z as f64 / (32.0 * 128.0);
|
|
rotation.yaw = -((lookmove.yaw as f64) / 256.0) * PI * 2.0;
|
|
rotation.pitch = -((lookmove.pitch as f64) / 256.0) * PI * 2.0;
|
|
}
|
|
}
|
|
|
|
fn on_player_spawn(&mut self, spawn: packet::play::clientbound::SpawnPlayer) {
|
|
use std::f64::consts::PI;
|
|
if let Some(entity) = self.entity_map.remove(&spawn.entity_id.0) {
|
|
self.entities.remove_entity(entity);
|
|
}
|
|
let entity = entity::player::create_remote(&mut self.entities, self.players.get(&spawn.uuid).map_or("MISSING", |v| &v.name));
|
|
let position = self.entities.get_component_mut(entity, self.position).unwrap();
|
|
let target_position = self.entities.get_component_mut(entity, self.target_position).unwrap();
|
|
let rotation = self.entities.get_component_mut(entity, self.rotation).unwrap();
|
|
let target_rotation = self.entities.get_component_mut(entity, self.target_rotation).unwrap();
|
|
position.position.x = spawn.x;
|
|
position.position.y = spawn.y;
|
|
position.position.z = spawn.z;
|
|
target_position.position.x = spawn.x;
|
|
target_position.position.y = spawn.y;
|
|
target_position.position.z = spawn.z;
|
|
rotation.yaw = -((spawn.yaw as f64) / 256.0) * PI * 2.0;
|
|
rotation.pitch = -((spawn.pitch as f64) / 256.0) * PI * 2.0;
|
|
target_rotation.yaw = rotation.yaw;
|
|
target_rotation.pitch = rotation.pitch;
|
|
if let Some(info) = self.players.get(&spawn.uuid) {
|
|
let model = self.entities.get_component_mut_direct::<entity::player::PlayerModel>(entity).unwrap();
|
|
model.set_skin(info.skin_url.clone());
|
|
}
|
|
self.entity_map.insert(spawn.entity_id.0, entity);
|
|
}
|
|
|
|
fn on_teleport(&mut self, teleport: packet::play::clientbound::TeleportPlayer) {
|
|
use std::f64::consts::PI;
|
|
if let Some(player) = self.player {
|
|
let position = self.entities.get_component_mut(player, self.target_position).unwrap();
|
|
let rotation = self.entities.get_component_mut(player, self.rotation).unwrap();
|
|
let velocity = self.entities.get_component_mut(player, self.velocity).unwrap();
|
|
|
|
position.position.x = calculate_relative_teleport(TeleportFlag::RelX, teleport.flags, position.position.x, teleport.x);
|
|
position.position.y = calculate_relative_teleport(TeleportFlag::RelY, teleport.flags, position.position.y, teleport.y);
|
|
position.position.z = calculate_relative_teleport(TeleportFlag::RelZ, teleport.flags, position.position.z, teleport.z);
|
|
rotation.yaw = calculate_relative_teleport(TeleportFlag::RelYaw, teleport.flags, rotation.yaw, -teleport.yaw as f64 * (PI / 180.0));
|
|
|
|
rotation.pitch = -((calculate_relative_teleport(
|
|
TeleportFlag::RelPitch,
|
|
teleport.flags,
|
|
(-rotation.pitch) * (180.0 / PI) + 180.0,
|
|
teleport.pitch as f64
|
|
) - 180.0) * (PI / 180.0));
|
|
|
|
if (teleport.flags & (TeleportFlag::RelX as u8)) == 0 {
|
|
velocity.velocity.x = 0.0;
|
|
}
|
|
if (teleport.flags & (TeleportFlag::RelY as u8)) == 0 {
|
|
velocity.velocity.y = 0.0;
|
|
}
|
|
if (teleport.flags & (TeleportFlag::RelZ as u8)) == 0 {
|
|
velocity.velocity.z = 0.0;
|
|
}
|
|
|
|
self.write_packet(packet::play::serverbound::TeleportConfirm {
|
|
teleport_id: teleport.teleport_id,
|
|
});
|
|
}
|
|
}
|
|
|
|
fn on_block_entity_update(&mut self, block_update: packet::play::clientbound::UpdateBlockEntity) {
|
|
match block_update.nbt {
|
|
None => {
|
|
// NBT is null, so we need to remove the block entity
|
|
self.world.add_block_entity_action(world::BlockEntityAction::Remove(
|
|
block_update.location,
|
|
));
|
|
},
|
|
Some(nbt) => {
|
|
if block_update.action == 9 {
|
|
use format;
|
|
let line1 = format::Component::from_string(nbt.1.get("Text1").unwrap().as_string().unwrap());
|
|
let line2 = format::Component::from_string(nbt.1.get("Text2").unwrap().as_string().unwrap());
|
|
let line3 = format::Component::from_string(nbt.1.get("Text3").unwrap().as_string().unwrap());
|
|
let line4 = format::Component::from_string(nbt.1.get("Text4").unwrap().as_string().unwrap());
|
|
self.world.add_block_entity_action(world::BlockEntityAction::UpdateSignText(
|
|
block_update.location,
|
|
line1,
|
|
line2,
|
|
line3,
|
|
line4,
|
|
));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fn on_player_info(&mut self, player_info: packet::play::clientbound::PlayerInfo) {
|
|
use protocol::packet::PlayerDetail::*;
|
|
use rustc_serialize::base64::FromBase64;
|
|
use serde_json;
|
|
for detail in player_info.inner.players {
|
|
match detail {
|
|
Add { name, uuid, properties, display, gamemode, ping} => {
|
|
let info = self.players.entry(uuid.clone()).or_insert(PlayerInfo {
|
|
name: name.clone(),
|
|
uuid: uuid,
|
|
skin_url: None,
|
|
|
|
display_name: display.clone(),
|
|
ping: ping.0,
|
|
gamemode: Gamemode::from_int(gamemode.0),
|
|
});
|
|
// Re-set the props of the player in case of dodgy server implementations
|
|
info.name = name;
|
|
info.display_name = display;
|
|
info.ping = ping.0;
|
|
info.gamemode = Gamemode::from_int(gamemode.0);
|
|
for prop in properties {
|
|
if prop.name != "textures" {
|
|
continue;
|
|
}
|
|
// Ideally we would check the signature of the blob to
|
|
// verify it was from Mojang and not faked by the server
|
|
// but this requires the public key which is distributed
|
|
// authlib. We could download authlib on startup and extract
|
|
// the key but this seems like overkill compared to just
|
|
// whitelisting Mojang's texture servers instead.
|
|
let skin_blob = match prop.value.from_base64() {
|
|
Ok(val) => val,
|
|
Err(err) => {
|
|
error!("Failed to decode skin blob, {:?}", err);
|
|
continue;
|
|
},
|
|
};
|
|
let skin_blob: serde_json::Value = match serde_json::from_slice(&skin_blob) {
|
|
Ok(val) => val,
|
|
Err(err) => {
|
|
error!("Failed to parse skin blob, {:?}", err);
|
|
continue;
|
|
},
|
|
};
|
|
if let Some(skin_url) = skin_blob.lookup("textures.SKIN.url").and_then(|v| v.as_string()) {
|
|
info.skin_url = Some(skin_url.to_owned());
|
|
}
|
|
}
|
|
|
|
// Refresh our own skin when the server sends it to us.
|
|
// The join game packet can come before this packet meaning
|
|
// we may not have the skin in time for spawning ourselves.
|
|
// This isn't an issue for other players because this packet
|
|
// must come before the spawn player packet.
|
|
if info.uuid == self.uuid {
|
|
let model = self.entities.get_component_mut_direct::<entity::player::PlayerModel>(self.player.unwrap()).unwrap();
|
|
model.set_skin(info.skin_url.clone());
|
|
}
|
|
},
|
|
UpdateGamemode { uuid, gamemode } => {
|
|
if let Some(info) = self.players.get_mut(&uuid) {
|
|
info.gamemode = Gamemode::from_int(gamemode.0);
|
|
}
|
|
},
|
|
UpdateLatency { uuid, ping } => {
|
|
if let Some(info) = self.players.get_mut(&uuid) {
|
|
info.ping = ping.0;
|
|
}
|
|
},
|
|
UpdateDisplayName { uuid, display } => {
|
|
if let Some(info) = self.players.get_mut(&uuid) {
|
|
info.display_name = display;
|
|
}
|
|
},
|
|
Remove { uuid } => {
|
|
self.players.remove(&uuid);
|
|
},
|
|
}
|
|
}
|
|
}
|
|
|
|
fn on_chunk_data(&mut self, chunk_data: packet::play::clientbound::ChunkData) {
|
|
self.world.load_chunk(
|
|
chunk_data.chunk_x,
|
|
chunk_data.chunk_z,
|
|
chunk_data.new,
|
|
chunk_data.bitmask.0 as u16,
|
|
chunk_data.data.data
|
|
).unwrap();
|
|
for optional_block_entity in chunk_data.block_entities.data {
|
|
if let Some(block_entity) = optional_block_entity {
|
|
let x = block_entity.1.get("x").unwrap().as_int().unwrap();
|
|
let y = block_entity.1.get("y").unwrap().as_int().unwrap();
|
|
let z = block_entity.1.get("z").unwrap().as_int().unwrap();
|
|
let tile_id = block_entity.1.get("id").unwrap().as_string().unwrap();
|
|
let action;
|
|
match tile_id {
|
|
// Fake a sign update
|
|
"Sign" => action = 9,
|
|
// Not something we care about, so break the loop
|
|
_ => continue,
|
|
}
|
|
self.on_block_entity_update(packet::play::clientbound::UpdateBlockEntity {
|
|
location: Position::new(x, y, z),
|
|
action: action,
|
|
nbt: Some(block_entity.clone()),
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
fn on_chunk_unload(&mut self, chunk_unload: packet::play::clientbound::ChunkUnload) {
|
|
self.world.unload_chunk(chunk_unload.x, chunk_unload.z, &mut self.entities);
|
|
}
|
|
|
|
fn on_block_change(&mut self, block_change: packet::play::clientbound::BlockChange) {
|
|
self.world.set_block(
|
|
block_change.location,
|
|
block::Block::by_vanilla_id(block_change.block_id.0 as usize)
|
|
);
|
|
}
|
|
|
|
fn on_multi_block_change(&mut self, block_change: packet::play::clientbound::MultiBlockChange) {
|
|
let ox = block_change.chunk_x << 4;
|
|
let oz = block_change.chunk_z << 4;
|
|
for record in block_change.records.data {
|
|
self.world.set_block(
|
|
Position::new(
|
|
ox + (record.xz >> 4) as i32,
|
|
record.y as i32,
|
|
oz + (record.xz & 0xF) as i32
|
|
),
|
|
block::Block::by_vanilla_id(record.block_id.0 as usize)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, Clone, Copy)]
|
|
enum TeleportFlag {
|
|
RelX = 0b00001,
|
|
RelY = 0b00010,
|
|
RelZ = 0b00100,
|
|
RelYaw = 0b01000,
|
|
RelPitch = 0b10000,
|
|
}
|
|
|
|
fn calculate_relative_teleport(flag: TeleportFlag, flags: u8, base: f64, val: f64) -> f64 {
|
|
if (flags & (flag as u8)) == 0 {
|
|
val
|
|
} else {
|
|
base + val
|
|
}
|
|
}
|