From 2707f03617478e2a5e521961c46c9c6511d5088d Mon Sep 17 00:00:00 2001 From: metamuffin Date: Sat, 4 Jan 2025 22:52:42 +0100 Subject: a --- Cargo.lock | 187 +++++++++- Cargo.toml | 2 +- a.md | 4 +- network/Cargo.lock | 910 ------------------------------------------------- network/Cargo.toml | 11 - network/src/lib.rs | 2 - network/src/packets.rs | 113 ------ server/Cargo.toml | 5 + server/src/main.rs | 129 ++++++- shared/Cargo.lock | 910 +++++++++++++++++++++++++++++++++++++++++++++++++ shared/Cargo.toml | 12 + shared/src/lib.rs | 4 + shared/src/packets.rs | 120 +++++++ shared/src/store.rs | 33 ++ shared/src/tree.rs | 70 ++++ 15 files changed, 1462 insertions(+), 1050 deletions(-) delete mode 100644 network/Cargo.lock delete mode 100644 network/Cargo.toml delete mode 100644 network/src/lib.rs delete mode 100644 network/src/packets.rs create mode 100644 shared/Cargo.lock create mode 100644 shared/Cargo.toml create mode 100644 shared/src/lib.rs create mode 100644 shared/src/packets.rs create mode 100644 shared/src/store.rs create mode 100644 shared/src/tree.rs diff --git a/Cargo.lock b/Cargo.lock index 58e5aff..4f78eb0 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -33,6 +33,55 @@ dependencies = [ "pkg-config", ] +[[package]] +name = "anstream" +version = "0.6.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8acc5369981196006228e28809f761875c0327210a891e941f4c683b3a99529b" +dependencies = [ + "anstyle", + "anstyle-parse", + "anstyle-query", + "anstyle-wincon", + "colorchoice", + "is_terminal_polyfill", + "utf8parse", +] + +[[package]] +name = "anstyle" +version = "1.0.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9" + +[[package]] +name = "anstyle-parse" +version = "0.2.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3b2d16507662817a6a20a9ea92df6652ee4f94f914589377d69f3b21bc5798a9" +dependencies = [ + "utf8parse", +] + +[[package]] +name = "anstyle-query" +version = "1.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "79947af37f4177cfead1110013d678905c37501914fba0efea834c3fe9a8d60c" +dependencies = [ + "windows-sys 0.59.0", +] + +[[package]] +name = "anstyle-wincon" +version = "3.0.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2109dbce0e72be3ec00bed26e6a7479ca384ad226efdd66db8fa2e3a38c83125" +dependencies = [ + "anstyle", + "windows-sys 0.59.0", +] + [[package]] name = "anyhow" version = "1.0.95" @@ -158,6 +207,52 @@ dependencies = [ "libloading", ] +[[package]] +name = "clap" +version = "4.5.23" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3135e7ec2ef7b10c6ed8950f0f792ed96ee093fa088608f1c76e569722700c84" +dependencies = [ + "clap_builder", + "clap_derive", +] + +[[package]] +name = "clap_builder" +version = "4.5.23" +source = 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"regex" version = "1.11.1" @@ -570,6 +715,11 @@ name = "server" version = "0.1.0" dependencies = [ "anyhow", + "clap", + "env_logger", + "log", + "weareshared", + "xdg", ] [[package]] @@ -578,6 +728,12 @@ version = "1.3.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64" +[[package]] +name = "strsim" +version = "0.11.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f" + [[package]] name = "syn" version = "2.0.94" @@ -633,15 +789,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83" [[package]] -name = "vrding" -version = "0.1.0" -dependencies = [ - "anyhow", - "audiopus", - "bincode", - "cpal", - "glam", -] +name = "utf8parse" +version = "0.2.2" +source = 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= ["network", "server"] +members = ["shared", "server"] resolver = "3" diff --git a/a.md b/a.md index eeb13a9..ddc3601 100644 --- a/a.md +++ b/a.md @@ -7,7 +7,7 @@ type Res = u128 02 respond_resource(name: Res, data: Vec) 03 add(id: Obj, prefab: Res) 04 remove(id: Obj) -05 position(id: Obj, pos: Vec3) +05 position(id: Obj, pos: Vec3, rot: Vec3) 06 pose(id: Obj, params: Vec) 07 parent(parent: Obj, child: Obj) 08 sound(id: Obj, data: Vec) @@ -38,7 +38,7 @@ type Part = { ### Mesh ``` -[vertex count:u32] [index count:u32] ([x:f32] [y:f32] [z:f32] [u:f32] [v:f32])* ([n:u32])* +[vertex count:u16] [index count:u16] ([x:f32] [y:f32] [z:f32] [u:f32] [v:f32])* ([n:u16])* ``` ### Texture diff --git a/network/Cargo.lock b/network/Cargo.lock deleted file mode 100644 index 8e3c9b7..0000000 --- a/network/Cargo.lock +++ /dev/null @@ -1,910 +0,0 @@ -# This file is automatically @generated by Cargo. -# It is not intended for manual editing. -version = 4 - -[[package]] -name = "aho-corasick" -version = 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struct Object(pub u128); - -pub enum Packet { - RequestResource(Resource), - RespondResource(Resource, Vec), - Add(Object, Resource), - Remove(Object), - Position(Object, Vec3), - Pose(Object, Vec), - Parent(Object, Object), - Sound(Object, Vec), -} - -impl Packet { - pub fn serialize(&self, w: &mut impl Write) -> Result<()> { - match self { - Packet::RequestResource(resource) => { - w.write_all(&[0x01])?; - w.write_all(&resource.0.to_be_bytes())?; - } - Packet::RespondResource(resource, vec) => { - w.write_all(&[0x02])?; - w.write_all(&resource.0.to_be_bytes())?; - w.write_all(&(vec.len() as u16).to_be_bytes())?; - w.write_all(&vec)?; - } - Packet::Add(object, resource) => { - w.write_all(&[0x03])?; - w.write_all(&object.0.to_be_bytes())?; - w.write_all(&resource.0.to_be_bytes())?; - } - Packet::Remove(object) => { - w.write_all(&[0x04])?; - w.write_all(&object.0.to_be_bytes())?; - } - Packet::Position(object, vec3) => { - w.write_all(&[0x05])?; - w.write_all(&object.0.to_be_bytes())?; - w.write_all(&vec3.x.to_be_bytes())?; - w.write_all(&vec3.y.to_be_bytes())?; - w.write_all(&vec3.z.to_be_bytes())?; - } - Packet::Pose(object, vec) => { - w.write_all(&[0x06])?; - w.write_all(&object.0.to_be_bytes())?; - w.write_all(&(vec.len() as u16).to_be_bytes())?; - } - Packet::Parent(parent, child) => { - w.write_all(&[0x07])?; - w.write_all(&parent.0.to_be_bytes())?; - w.write_all(&child.0.to_be_bytes())?; - } - Packet::Sound(object, vec) => { - w.write_all(&[0x08])?; - w.write_all(&object.0.to_be_bytes())?; - w.write_all(&(vec.len() as u16).to_be_bytes())?; - } - } - Ok(()) - } - pub fn deserialize(r: &mut impl Read) -> Result { - let mut tag = [0u8; 1]; - r.read_exact(&mut tag)?; - Ok(match tag[0] { - 0x01 => Packet::RequestResource(Resource(read_u128(r)?)), - 0x02 => Packet::RespondResource(Resource(read_u128(r)?), read_data(r)?), - 0x03 => Packet::Add(Object(read_u128(r)?), Resource(read_u128(r)?)), - 0x04 => Packet::Remove(Object(read_u128(r)?)), - 0x05 => Packet::Position( - Object(read_u128(r)?), - Vec3::new(read_float(r)?, read_float(r)?, read_float(r)?), - ), - 0x06 => Packet::Pose(Object(read_u128(r)?), read_params(r)?), - 0x07 => Packet::Parent(Object(read_u128(r)?), Object(read_u128(r)?)), - 0x08 => Packet::Sound(Object(read_u128(r)?), read_data(r)?), - _ => bail!("unknown packet tag"), - }) - } -} - -fn read_u128(r: &mut impl Read) -> Result { - let mut buf = [0; 16]; - r.read_exact(&mut buf)?; - Ok(u128::from_be_bytes(buf)) -} -fn read_data(r: &mut impl Read) -> Result> { - let mut size = [0; 2]; - r.read_exact(&mut size)?; - let size = u16::from_be_bytes(size); - let mut buf = vec![0; size as usize]; - r.read_exact(&mut buf)?; - Ok(buf) -} -fn read_float(r: &mut impl Read) -> Result { - let mut buf = [0; 4]; - r.read_exact(&mut buf)?; - Ok(f32::from_be_bytes(buf)) -} -fn read_params(r: &mut impl Read) -> Result> { - let mut size = [0; 2]; - r.read_exact(&mut size)?; - let size = u16::from_be_bytes(size); - let mut v = Vec::with_capacity(size as usize); - for _ in 0..size { - v.push(read_float(r)?); - } - Ok(v) -} diff --git a/server/Cargo.toml b/server/Cargo.toml index a504e65..3a091bd 100644 --- a/server/Cargo.toml +++ b/server/Cargo.toml @@ -5,3 +5,8 @@ edition = "2024" [dependencies] anyhow = "1.0.95" +clap = { version = "4.5.23", features = ["derive"] } +env_logger = "0.11.6" +log = "0.4.22" +weareshared = { path = "../shared" } +xdg = "2.5.2" diff --git a/server/src/main.rs b/server/src/main.rs index e7a11a9..02ea03f 100644 --- a/server/src/main.rs +++ b/server/src/main.rs @@ -1,3 +1,128 @@ -fn main() { - println!("Hello, world!"); +use anyhow::Result; +use clap::Parser; +use log::{debug, info}; +use std::{ + collections::HashMap, + io::{BufReader, BufWriter}, + net::{IpAddr, TcpListener, TcpStream}, + sync::{ + Arc, Mutex, + mpsc::{Receiver, Sender, channel}, + }, + thread::spawn, +}; +use weareshared::{packets::Packet, store::ResourceStore, tree::SceneTree}; + +#[derive(Parser, Debug)] +struct Args { + #[arg(short, long, default_value = "::0")] + bind_addr: IpAddr, + #[arg(short, long, default_value = "28555")] + port: u16, +} + +struct State { + tx: HashMap>, + store: ResourceStore, + tree: SceneTree, +} + +fn main() -> Result<()> { + env_logger::init_from_env("LOG"); + let args = Args::parse(); + + let listener = TcpListener::bind((args.bind_addr, args.port))?; + info!("bound to {}", listener.local_addr()?); + let state = Arc::new(Mutex::new(State::new()?)); + for conn in 0.. { + let (sock, addr) = listener.accept()?; + info!("{addr} connected"); + let (tx, rx) = channel(); + state.lock().unwrap().tx.insert(conn, tx); + let state2 = state.clone(); + let sock2 = sock.try_clone().unwrap(); + spawn(move || { + let _ = handle_conn_read(conn, sock, state2.clone()); + info!("{addr} disconnected"); + state2.lock().unwrap().tx.remove(&conn); + }); + spawn(move || { + let _ = handle_conn_write(conn, sock2, rx); + }); + } + Ok(()) +} + +fn handle_conn_read(conn: usize, sock: TcpStream, state: Arc>) -> Result<()> { + let mut sock = BufReader::new(sock); + loop { + let packet = Packet::deserialize(&mut sock)?; + debug!("{conn} <- {packet:?}"); + state.lock().unwrap().handle_packet(conn, packet)?; + } +} +fn handle_conn_write(conn: usize, sock: TcpStream, rx: Receiver) -> Result<()> { + let mut sock = BufWriter::new(sock); + for packet in rx { + debug!("{conn} -> {packet:?}"); + packet.serialize(&mut sock)?; + } + Ok(()) +} +impl State { + pub fn new() -> Result { + Ok(Self { + tx: HashMap::new(), + store: ResourceStore::new( + &xdg::BaseDirectories::with_prefix("weareserver")?.place_cache_file("resources")?, + )?, + tree: SceneTree::default(), + }) + } + pub fn broadcast(&self, packet: Packet) -> Result<()> { + for tx in self.tx.values() { + tx.send(packet.clone())?; + } + Ok(()) + } + pub fn send(&self, conn: usize, packet: Packet) -> Result<()> { + if let Some(tx) = self.tx.get(&conn) { + tx.send(packet)?; + } + Ok(()) + } + pub fn handle_packet(&mut self, conn: usize, packet: Packet) -> Result<()> { + self.tree.update(&packet); + match packet { + Packet::RequestResource(resource) => { + if let Some(r) = self.store.get(resource)? { + self.send(conn, Packet::RespondResource(resource, r))?; + } else { + self.broadcast(Packet::RequestResource(resource))?; + } + } + Packet::RespondResource(resource, vec) => { + self.broadcast(Packet::RespondResource(resource, vec))?; + } + Packet::Add(object, resource) => { + self.broadcast(Packet::Add(object, resource))?; + } + Packet::Remove(object) => { + self.broadcast(Packet::Remove(object))?; + } + Packet::Position(object, pos, rot) => { + self.broadcast(Packet::Position(object, pos, rot))?; + } + Packet::Pose(object, vec) => { + self.broadcast(Packet::Pose(object, vec))?; + } + Packet::Parent(parent, child) => { + self.broadcast(Packet::Parent(parent, child))?; + } + Packet::Sound(object, vec) => { + 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"registry+https://github.com/rust-lang/crates.io-index" +checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec" + +[[package]] +name = "winnow" +version = "0.6.22" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "39281189af81c07ec09db316b302a3e67bf9bd7cbf6c820b50e35fee9c2fa980" +dependencies = [ + "memchr", +] diff --git a/shared/Cargo.toml b/shared/Cargo.toml new file mode 100644 index 0000000..9236576 --- /dev/null +++ b/shared/Cargo.toml @@ -0,0 +1,12 @@ +[package] +name = "weareshared" +version = "0.1.0" +edition = "2024" + +[dependencies] +anyhow = "1.0.95" +audiopus = "0.2.0" +bincode = "1.3.3" +cpal = "0.15.3" +glam = { version = "0.29.2", features = ["serde"] } +redb = "2.4.0" diff --git a/shared/src/lib.rs b/shared/src/lib.rs new file mode 100644 index 0000000..a692a82 --- /dev/null +++ b/shared/src/lib.rs @@ -0,0 +1,4 @@ + +pub mod packets; +pub mod store; +pub mod tree; diff --git a/shared/src/packets.rs b/shared/src/packets.rs new file mode 100644 index 0000000..79dd1ea --- /dev/null +++ b/shared/src/packets.rs @@ -0,0 +1,120 @@ +use anyhow::{Result, bail}; +use glam::Vec3; +use std::io::{Read, Write}; + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub struct Resource(pub u128); +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub struct Object(pub u128); + +#[derive(Debug, Clone)] +pub enum Packet { + RequestResource(Resource), + RespondResource(Resource, Vec), + Add(Object, Resource), + Remove(Object), + Position(Object, Vec3, Vec3), + Pose(Object, Vec), + Parent(Object, Object), + Sound(Object, Vec), +} + +impl Packet { + pub fn serialize(&self, w: &mut impl Write) -> Result<()> { + match self { + Packet::RequestResource(resource) => { + w.write_all(&[0x01])?; + w.write_all(&resource.0.to_be_bytes())?; + } + Packet::RespondResource(resource, vec) => { + w.write_all(&[0x02])?; + w.write_all(&resource.0.to_be_bytes())?; + w.write_all(&(vec.len() as u16).to_be_bytes())?; + w.write_all(&vec)?; + } + Packet::Add(object, resource) => { + w.write_all(&[0x03])?; + w.write_all(&object.0.to_be_bytes())?; + w.write_all(&resource.0.to_be_bytes())?; + } + Packet::Remove(object) => { + w.write_all(&[0x04])?; + w.write_all(&object.0.to_be_bytes())?; + } + Packet::Position(object, pos, rot) => { + w.write_all(&[0x05])?; + w.write_all(&object.0.to_be_bytes())?; + w.write_all(&pos.x.to_be_bytes())?; + w.write_all(&pos.y.to_be_bytes())?; + w.write_all(&pos.z.to_be_bytes())?; + w.write_all(&rot.x.to_be_bytes())?; + w.write_all(&rot.y.to_be_bytes())?; + w.write_all(&rot.z.to_be_bytes())?; + } + Packet::Pose(object, vec) => { + w.write_all(&[0x06])?; + w.write_all(&object.0.to_be_bytes())?; + w.write_all(&(vec.len() as u16).to_be_bytes())?; + } + Packet::Parent(parent, child) => { + w.write_all(&[0x07])?; + w.write_all(&parent.0.to_be_bytes())?; + w.write_all(&child.0.to_be_bytes())?; + } + Packet::Sound(object, vec) => { + w.write_all(&[0x08])?; + w.write_all(&object.0.to_be_bytes())?; + w.write_all(&(vec.len() as u16).to_be_bytes())?; + } + } + Ok(()) + } + pub fn deserialize(r: &mut impl Read) -> Result { + let mut tag = [0u8; 1]; + r.read_exact(&mut tag)?; + Ok(match tag[0] { + 0x01 => Packet::RequestResource(Resource(read_u128(r)?)), + 0x02 => Packet::RespondResource(Resource(read_u128(r)?), read_data(r)?), + 0x03 => Packet::Add(Object(read_u128(r)?), Resource(read_u128(r)?)), + 0x04 => Packet::Remove(Object(read_u128(r)?)), + 0x05 => Packet::Position( + Object(read_u128(r)?), + Vec3::new(read_float(r)?, read_float(r)?, read_float(r)?), + Vec3::new(read_float(r)?, read_float(r)?, read_float(r)?), + ), + 0x06 => Packet::Pose(Object(read_u128(r)?), read_params(r)?), + 0x07 => Packet::Parent(Object(read_u128(r)?), Object(read_u128(r)?)), + 0x08 => Packet::Sound(Object(read_u128(r)?), read_data(r)?), + _ => bail!("unknown packet tag"), + }) + } +} + +fn read_u128(r: &mut impl Read) -> Result { + let mut buf = [0; 16]; + r.read_exact(&mut buf)?; + Ok(u128::from_be_bytes(buf)) +} +fn read_data(r: &mut impl Read) -> Result> { + let mut size = [0; 2]; + r.read_exact(&mut size)?; + let size = u16::from_be_bytes(size); + let mut buf = vec![0; size as usize]; + r.read_exact(&mut buf)?; + Ok(buf) +} +fn read_float(r: &mut impl Read) -> Result { + let mut buf = [0; 4]; + r.read_exact(&mut buf)?; + Ok(f32::from_be_bytes(buf)) +} +fn read_params(r: &mut impl Read) -> Result> { + let mut size = [0; 2]; + r.read_exact(&mut size)?; + let size = u16::from_be_bytes(size); + let mut v = Vec::with_capacity(size as usize); + for _ in 0..size { + v.push(read_float(r)?); + } + Ok(v) +} diff --git a/shared/src/store.rs b/shared/src/store.rs new file mode 100644 index 0000000..83f1a25 --- /dev/null +++ b/shared/src/store.rs @@ -0,0 +1,33 @@ +use crate::packets::Resource; +use anyhow::Result; +use redb::{Database, TableDefinition}; +use std::path::Path; + +const T_ENTRIES: TableDefinition = TableDefinition::new("e"); + +pub struct ResourceStore { + db: Database, +} +impl ResourceStore { + pub fn new(path: &Path) -> Result { + Ok(Self { + db: Database::create(path)?, + }) + } + pub fn get(&self, key: Resource) -> Result>> { + let txn = self.db.begin_read()?; + let ent = txn.open_table(T_ENTRIES)?; + match ent.get(key.0)? { + Some(x) => Ok(Some(x.value().to_vec())), + None => Ok(None), + } + } + pub fn set(&self, key: Resource, value: &[u8]) -> Result<()> { + let txn = self.db.begin_write()?; + let mut ent = txn.open_table(T_ENTRIES)?; + ent.insert(key.0, value)?; + drop(ent); + txn.commit()?; + Ok(()) + } +} diff --git a/shared/src/tree.rs b/shared/src/tree.rs new file mode 100644 index 0000000..fce6f8a --- /dev/null +++ b/shared/src/tree.rs @@ -0,0 +1,70 @@ +use crate::packets::{Object, Packet, Resource}; +use glam::Vec3; +use std::collections::HashMap; + +pub struct SceneTree { + objects: HashMap, +} +struct ObjectData { + pos: Vec3, + rot: Vec3, + parent: Object, + pose: Vec, + res: Resource, +} +impl Default for SceneTree { + fn default() -> Self { + Self { + objects: Default::default(), + } + } +} +impl SceneTree { + pub fn update(&mut self, p: &Packet) { + match p { + Packet::Add(object, res) => { + self.objects.insert(*object, ObjectData { + parent: Object(0), + pos: Vec3::ZERO, + rot: Vec3::ZERO, + pose: Vec::new(), + res: *res, + }); + } + Packet::Remove(object) => { + self.objects.remove(&object); + } + Packet::Position(object, pos, rot) => { + if let Some(o) = self.objects.get_mut(&object) { + o.pos = *pos; + o.rot = *rot; + } + } + Packet::Pose(object, pose) => { + if let Some(o) = self.objects.get_mut(&object) { + o.pose = pose.to_vec(); + } + } + Packet::Parent(parent, child) => { + if let Some(o) = self.objects.get_mut(&parent) { + o.parent = *child + } + } + _ => (), + } + } + + pub fn prime_client(&self) -> impl Iterator { + self.objects + .iter() + .map(|(object, data)| { + [ + Packet::Add(*object, data.res), + Packet::Parent(*object, data.parent), + Packet::Position(*object, data.pos, data.rot), + Packet::Pose(*object, data.pose.clone()), + ] + }) + .flatten() + } +} -- cgit v1.2.3-70-g09d2