Merge pull request #2 from griffi-gh/multiplayer

Multiplayer

.gitignore

@@ -3,10 +3,6 @@
 debug/
 target/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
 # These are backup files generated by rustfmt
 **/*.rs.bk
 

.vscode/settings.json

@@ -0,0 +1,9 @@
+{
+  "editor.tabSize": 2,
+  "rust-analyzer.diagnostics.disabled": [
+    //rust-analyzer issue #14269,
+    "unresolved-method", 
+    "unresolved-import",
+    "unresolved-field"
+  ]
+}

Cargo.toml

@@ -1,23 +1,10 @@
-[package]
+[workspace]
-name = "kubi"
+members = ["kubi", "kubi-server", "kubi-shared", "kubi-logging"]
-version = "0.1.0"
+resolver = "2"
-edition = "2021"
 
-[dependencies]
+[profile.release-with-debug]
-glium = "0.32"
+inherits = "release"
-image = { version = "0.24", default_features = false, features = ["png"] }
+debug = true
-log = "0.4"
-env_logger = "0.10"
-strum = { version = "0.24", features = ["derive"] }
-glam = { version = "0.22", features = ["debug-glam-assert", "mint", "fast-math"] }
-hashbrown = "0.13"
-rayon = "1.6"
-shipyard = { version = "0.6", features = ["thread_local"] }
-nohash-hasher = "0.2.0"
-anyhow = "1.0"
-flume = "0.10"
-bracket-noise = "0.8"
-#rkyv = "0.7"
 
 [profile.dev]
 opt-level = 1

Server.toml

@@ -0,0 +1,7 @@
+[server]
+address = "0.0.0.0:12345"
+max_clients = 254
+timeout_ms = 10000
+
+[world]
+seed = 0xfeb_face_dead_cafe

crabs.txt

@@ -1 +0,0 @@
-sorry no crabs here

kubi-logging/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "kubi-logging"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+log = "0.4"
+env_logger = "0.10"

kubi-logging/src/lib.rs

@@ -1,14 +1,16 @@
-//! Custom env_logger options and styling
+/// Custom env_logger options and styling
 
 use env_logger::{fmt::Color, Builder, Env};
 use log::Level;
 use std::io::Write;
 
+pub use log;
+pub use env_logger;
+
+#[inline]
 pub fn init() {
-  let mut env = Env::default();
+  let env = Env::default()
-  if cfg!(debug_assertions) {
+    .filter_or("RUST_LOG", "trace,gilrs=warn,rusty_xinput=warn");
-    env = env.filter_or("RUST_LOG", "trace");
-  }
   Builder::from_env(env)
     .format(|buf, record| {
       let mut level_style = buf.style();
@@ -18,6 +20,9 @@ pub fn init() {
         _ => Color::Blue
       }).set_bold(true);
 
+      let mut bold_style = buf.style();
+      bold_style.set_bold(true);
+
       let mut location_style = buf.style();
       location_style.set_bold(true);
       location_style.set_dimmed(true);
@@ -25,9 +30,11 @@ pub fn init() {
       let mut location_line_style = buf.style();
       location_line_style.set_dimmed(true);
       
+      let text = format!("{}", record.args());
+
       writeln!(
         buf,
-        "{} {:<50}\t{}{}{}",
+        "{} {:<50}\t{}{}{}{}",
         level_style.value(match record.level() {
           Level::Error => "[e]",
           Level::Warn =>  "[w]",
@@ -35,7 +42,8 @@ pub fn init() {
           Level::Debug => "[d]",
           Level::Trace => "[t]",
         }),
-        format!("{}", record.args()),
+        text,
+        bold_style.value((text.len() > 50).then_some("\n ╰─ ").unwrap_or_default()),
         location_style.value(record.target()),
         location_line_style.value(" :"),
         location_line_style.value(record.line().unwrap_or(0))

kubi-server/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "kubi-server"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[dependencies]
+kubi-shared = { path = "../kubi-shared" }
+kubi-logging = { path = "../kubi-logging" }
+log = "*"
+shipyard = { git = "https://github.com/leudz/shipyard", rev = "eb189f66", features = ["thread_local"] }
+serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
+toml = "0.7"
+glam = { version = "0.23", features = ["debug-glam-assert", "fast-math"] }
+hashbrown = "0.13"
+nohash-hasher = "0.2.0"
+anyhow = "1.0"
+rayon = "1.6"
+flume = "0.10"
+rand = "0.8"
+uflow = "0.7"
+postcard = { version = "1.0", features = ["alloc"] }
+
+[features]
+default = []
+nightly = ["rand/nightly", "rand/simd_support", "serde/unstable", "glam/core-simd", "kubi-shared/nightly"]

kubi-server/src/auth.rs

@@ -0,0 +1,86 @@
+use shipyard::{UniqueView, NonSendSync};
+use uflow::{server::Event as ServerEvent, SendMode};
+use kubi_shared::networking::messages::{
+  ClientToServerMessage,
+  ServerToClientMessage,
+  InitData,
+  C_CLIENT_HELLO
+};
+use crate::{
+  server::{ServerEvents, UdpServer, IsMessageOfType}, 
+  config::ConfigTable
+};
+
+pub fn authenticate_players(
+  server: NonSendSync<UniqueView<UdpServer>>,
+  events: UniqueView<ServerEvents>,
+  config: UniqueView<ConfigTable>
+) {
+  for event in &events.0 {
+    // if let ServerEvent::MessageReceived {
+    //   from, 
+    //   message: ClientToServerMessage::ClientHello {
+    //     username,
+    //     password
+    //   } 
+    // } = event {
+    
+    let ServerEvent::Receive(client_addr, data) = event else{
+      continue
+    };
+    let Some(client) = server.0.client(client_addr) else {
+      log::error!("Client doesn't exist");
+      continue
+    };
+    if !event.is_message_of_type::<C_CLIENT_HELLO>() {
+      continue
+    }
+    let Ok(parsed_message) = postcard::from_bytes(data) else {
+      log::error!("Malformed message");
+      continue
+    };
+    let ClientToServerMessage::ClientHello { username, password } = parsed_message else {
+      unreachable!()
+    };
+
+    log::info!("ClientHello; username={} password={:?}", username, password);
+
+    // Handle password auth
+    if let Some(server_password) = &config.server.password {
+      if let Some(user_password) = &password {
+        if server_password != user_password {
+          let res = postcard::to_allocvec(&ServerToClientMessage::ServerFuckOff {
+            reason: "Passwords don't match".into()
+          }).unwrap().into_boxed_slice();
+          client.borrow_mut().send(
+            res, 0, SendMode::Reliable
+          );
+          continue
+        }
+      } else {
+        let res = postcard::to_allocvec(&ServerToClientMessage::ServerFuckOff {
+          reason: "This server is password protected".into()
+        }).unwrap().into_boxed_slice();
+        client.borrow_mut().send(
+          res, 0, SendMode::Reliable
+        );
+        continue
+      }
+    }
+
+    //Spawn the user
+    //TODO Spawn the user on server side
+
+    //Approve the user
+    let res = postcard::to_allocvec(&ServerToClientMessage::ServerHello {
+      init: InitData {
+        users: vec![] //TODO create init data
+      }
+    }).unwrap().into_boxed_slice();
+    client.borrow_mut().send(
+      res, 0, SendMode::Reliable
+    );
+
+    log::info!("{username} joined the game!")
+  }
+}

kubi-server/src/client.rs

@@ -0,0 +1,19 @@
+use shipyard::{Component, EntityId};
+use hashbrown::HashMap;
+use nohash_hasher::BuildNoHashHasher;
+use kubi_shared::networking::client::ClientId;
+
+#[derive(Component)]
+pub struct Client(ClientId);
+
+pub struct ClientMap(HashMap<ClientId, EntityId, BuildNoHashHasher<ClientId>>);
+impl ClientMap {
+  pub fn new() -> Self {
+    Self(HashMap::with_hasher(BuildNoHashHasher::default()))
+  }
+}
+impl Default for ClientMap {
+  fn default() -> Self {
+    Self::new()
+  }
+}

kubi-server/src/config.rs

@@ -0,0 +1,31 @@
+use shipyard::{AllStoragesView, Unique};
+use serde::{Serialize, Deserialize};
+use std::{fs, net::SocketAddr};
+
+#[derive(Serialize, Deserialize)]
+pub struct ConfigTableServer {
+  pub address: SocketAddr,
+  pub max_clients: usize,
+  pub timeout_ms: u64,
+  pub password: Option<String>,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct ConfigTableWorld {
+  pub seed: u64,
+}
+
+#[derive(Unique, Serialize, Deserialize)]
+pub struct ConfigTable {
+  pub server: ConfigTableServer,
+  pub world: ConfigTableWorld,
+}
+
+pub fn read_config(
+  storages: AllStoragesView,
+) {
+  log::info!("Reading config...");
+  let config_str = fs::read_to_string("Server.toml").expect("No config file found");
+  let config: ConfigTable = toml::from_str(&config_str).expect("Invalid configuration file");
+  storages.add_unique(config);
+}

kubi-server/src/main.rs

@@ -0,0 +1,46 @@
+use shipyard::{World, Workload, IntoWorkload};
+use std::{thread, time::Duration};
+
+pub(crate) mod util;
+pub(crate) mod config;
+pub(crate) mod server;
+pub(crate) mod client;
+//pub(crate) mod world;
+pub(crate) mod auth;
+
+use config::read_config;
+use server::{bind_server, update_server, log_server_errors};
+use auth::authenticate_players;
+//use world::{update_world, init_world};
+
+fn initialize() -> Workload {
+  (
+    read_config,
+    bind_server,
+    //init_world,
+  ).into_workload()
+}
+
+fn update() -> Workload {
+  (
+    update_server,
+    (
+      log_server_errors,
+      authenticate_players,
+      //update_world,
+    ).into_workload()
+  ).into_sequential_workload()
+}
+
+fn main() {
+  kubi_logging::init();
+  let world = World::new();
+  world.add_workload(initialize);
+  world.add_workload(update);
+  world.run_workload(initialize).unwrap();
+  log::info!("The server is now running");
+  loop {
+    world.run_workload(update).unwrap();
+    thread::sleep(Duration::from_millis(16));
+  }
+}

kubi-server/src/server.rs

@@ -0,0 +1,62 @@
+use shipyard::{AllStoragesView, Unique, UniqueView, UniqueViewMut, NonSendSync};
+use uflow::{server::{Server, Event as ServerEvent, Config as ServerConfig}, EndpointConfig};
+use crate::config::ConfigTable;
+
+#[derive(Unique)]
+#[repr(transparent)]
+pub struct UdpServer(pub Server);
+
+#[derive(Unique, Default)]
+pub struct ServerEvents(pub Vec<ServerEvent>);
+
+pub trait IsMessageOfType {
+  ///Checks if postcard-encoded message has a type
+  fn is_message_of_type<const T: u8>(&self) -> bool;
+}
+impl IsMessageOfType for  ServerEvent {
+  fn is_message_of_type<const T: u8>(&self) -> bool {
+    let ServerEvent::Receive(_, data) = &self else { return false };
+    if data.len() == 0 { return false }
+    data[0] == T
+  }
+}
+
+pub fn bind_server(
+  storages: AllStoragesView,
+) {
+  log::info!("Creating server...");
+  let config = storages.borrow::<UniqueView<ConfigTable>>().unwrap();
+  let server = Server::bind(
+    config.server.address, 
+    ServerConfig {
+      max_total_connections: config.server.max_clients,
+      max_active_connections: config.server.max_clients,
+      enable_handshake_errors: true,
+      endpoint_config: EndpointConfig {
+        active_timeout_ms: config.server.timeout_ms,
+        ..Default::default()
+      },
+      ..Default::default()
+    }
+  ).expect("Failed to create the server");
+  storages.add_unique_non_send_sync(UdpServer(server));
+  storages.add_unique(ServerEvents::default());
+}
+
+pub fn update_server(
+  mut server: NonSendSync<UniqueViewMut<UdpServer>>,
+  mut events: UniqueViewMut<ServerEvents>,
+) {
+  events.0.clear();
+  events.0.extend(server.0.step());
+}
+
+pub fn log_server_errors(
+  events: UniqueView<ServerEvents>,
+) {
+  for event in &events.0 {
+    if let ServerEvent::Error(addr, error) = event {
+      log::error!("Server error addr: {addr} error: {error:?}");
+    }
+  }
+}

kubi-server/src/util.rs

@@ -0,0 +1,3 @@
+pub fn log_error(error: anyhow::Error) {
+  log::error!("{}", error);
+}

kubi-server/src/world.rs

@@ -0,0 +1,119 @@
+use shipyard::{Unique, UniqueView, UniqueViewMut, Workload, IntoWorkload, AllStoragesView};
+use glam::IVec3;
+use hashbrown::HashMap;
+use kubi_shared::networking::messages::{ClientToServerMessage, ServerToClientMessage};
+use crate::{
+  server::{UdpServer, ServerEvents}, 
+  config::ConfigTable,
+  util::log_error, 
+};
+
+pub mod chunk;
+pub mod tasks;
+
+use chunk::Chunk;
+
+use self::{tasks::{ChunkTaskManager, ChunkTask, ChunkTaskResponse, init_chunk_task_manager}, chunk::ChunkState};
+
+#[derive(Unique, Default)]
+pub struct ChunkManager {
+  pub chunks: HashMap<IVec3, Chunk>
+}
+impl ChunkManager {
+  pub fn new() -> Self {
+    Self::default()
+  }
+}
+
+fn process_chunk_requests(
+  mut server: UniqueViewMut<UdpServer>,
+  events: UniqueView<ServerEvents>,
+  mut chunk_manager: UniqueViewMut<ChunkManager>,
+  task_manager: UniqueView<ChunkTaskManager>,
+  config: UniqueView<ConfigTable>
+) {
+  for event in &events.0 {
+    if let ServerEvent::MessageReceived { 
+      from: client_id, 
+      message: ClientToServerMessage::ChunkSubRequest { 
+        chunk: chunk_position 
+      } 
+    } = event {
+      let chunk_position = IVec3::from_array(*chunk_position);
+      if let Some(chunk) = chunk_manager.chunks.get_mut(&chunk_position) {
+        chunk.subscriptions.insert(*client_id);
+        //TODO Start task here if status is "Nothing"
+        if let Some(blocks) = &chunk.blocks {
+          server.0.send_message(*client_id, kubi_shared::networking::messages::ServerToClientMessage::ChunkResponse {
+            chunk: chunk_position.to_array(),
+            data: blocks.clone(),
+            queued: Vec::with_capacity(0)
+          }).map_err(log_error).ok();
+        }
+      } else {
+        let mut chunk = Chunk::new(chunk_position);
+        chunk.state = ChunkState::Loading;
+        chunk.subscriptions.insert(*client_id);
+        chunk_manager.chunks.insert(chunk_position, chunk);
+        task_manager.spawn_task(ChunkTask::LoadChunk {
+          position: chunk_position,
+          seed: config.world.seed,
+        });
+      }
+    }
+  }
+}
+
+fn process_finished_tasks(
+  mut server: UniqueViewMut<UdpServer>,
+  task_manager: UniqueView<ChunkTaskManager>,
+  mut chunk_manager: UniqueViewMut<ChunkManager>,
+) {
+  let mut limit: usize = 8;
+  while let Some(res) = task_manager.receive() {
+    let ChunkTaskResponse::ChunkLoaded { chunk_position, blocks, queue } = res;
+    let Some(chunk) = chunk_manager.chunks.get_mut(&chunk_position) else {
+      log::warn!("Chunk discarded: Doesn't exist");
+      continue
+    };
+    if chunk.state != ChunkState::Loading {
+      log::warn!("Chunk discarded: Not Loading");
+      continue
+    }
+    chunk.state = ChunkState::Loaded;
+    chunk.blocks = Some(blocks.clone());
+    for &subscriber in &chunk.subscriptions {
+      server.0.send_message(subscriber, ServerToClientMessage::ChunkResponse {
+        chunk: chunk_position.to_array(),
+        data: blocks.clone(),
+        queued: queue
+      }).map_err(log_error).ok();
+    }
+    log::debug!("Chunk {chunk_position} loaded, {} subs", chunk.subscriptions.len());
+    //HACK: Implement proper flow control/reliable transport in kubi-udp
+    limit -= 1;
+    if limit == 0 {
+      break; 
+    }
+  }
+}
+
+fn init_chunk_manager(
+  storages: AllStoragesView
+) {
+  storages.add_unique(ChunkManager::new());
+}
+
+pub fn init_world() -> Workload {
+  (
+    init_chunk_manager,
+    init_chunk_task_manager,
+  ).into_workload()
+}
+
+pub fn update_world() -> Workload {
+  (
+    process_chunk_requests,
+    process_finished_tasks,
+  ).into_workload()
+}

kubi-server/src/world/chunk.rs

@@ -0,0 +1,31 @@
+use glam::IVec3;
+use hashbrown::HashSet;
+use nohash_hasher::BuildNoHashHasher;
+use kubi_shared::{
+  chunk::BlockData, 
+  networking::client::ClientId
+};
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum ChunkState {
+  Nothing,
+  Loading,
+  Loaded,
+}
+
+pub struct Chunk {
+  pub position: IVec3,
+  pub state: ChunkState,
+  pub blocks: Option<BlockData>,
+  pub subscriptions: HashSet<ClientId, BuildNoHashHasher<ClientId>>,
+}
+impl Chunk {
+  pub fn new(position: IVec3) -> Self {
+    Self {
+      position,
+      state: ChunkState::Nothing,
+      blocks: None,
+      subscriptions: HashSet::with_hasher(BuildNoHashHasher::default()),
+    }
+  }
+}

kubi-server/src/world/tasks.rs

@@ -0,0 +1,59 @@
+use shipyard::{Unique, AllStoragesView};
+use flume::{unbounded, Sender, Receiver};
+use glam::IVec3;
+use rayon::{ThreadPool, ThreadPoolBuilder};
+use anyhow::Result;
+use kubi_shared::{
+  chunk::BlockData, 
+  worldgen::generate_world,
+  queue::QueuedBlock,
+};
+
+pub enum ChunkTask {
+  LoadChunk {
+    position: IVec3,
+    seed: u64,
+  }
+}
+
+pub enum ChunkTaskResponse {
+  ChunkLoaded {
+    chunk_position: IVec3,
+    blocks: BlockData,
+    queue: Vec<QueuedBlock>
+  }
+}
+
+#[derive(Unique)]
+pub struct ChunkTaskManager {
+  channel: (Sender<ChunkTaskResponse>, Receiver<ChunkTaskResponse>),
+  pool: ThreadPool,
+}
+impl ChunkTaskManager {
+  pub fn new() -> Result<Self> {
+    Ok(Self {
+      channel: unbounded(),
+      pool: ThreadPoolBuilder::new().build()?
+    })
+  }
+  pub fn spawn_task(&self, task: ChunkTask) {
+    let sender = self.channel.0.clone();
+    self.pool.spawn(move || {
+      sender.send(match task {
+        ChunkTask::LoadChunk { position: chunk_position, seed } => {
+          let (blocks, queue) = generate_world(chunk_position, seed);
+          ChunkTaskResponse::ChunkLoaded { chunk_position, blocks, queue }
+        }
+      }).unwrap()
+    })
+  }
+  pub fn receive(&self) -> Option<ChunkTaskResponse> {
+    self.channel.1.try_recv().ok()
+  }
+}
+
+pub fn init_chunk_task_manager(
+  storages: AllStoragesView
+) {
+  storages.add_unique(ChunkTaskManager::new().expect("ChunkTaskManager Init failed"));
+}

kubi-shared/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "kubi-shared"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+glam = { version = "0.23", features = ["debug-glam-assert", "fast-math", "serde"] }
+shipyard = { git = "https://github.com/leudz/shipyard", rev = "eb189f66", default-features = false, features = ["std"] }
+strum = { version = "0.24", features = ["derive"] }
+postcard = { version = "1.0", features = ["alloc"] }
+serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
+anyhow = "1.0"
+bracket-noise = "0.8"
+rand = { version = "0.8", default_features = false, features = ["std", "min_const_gen"] }
+rand_xoshiro = "0.6"
+
+[features]
+default = []
+nightly = ["rand/nightly", "rand/simd_support", "serde/unstable", "glam/core-simd"]

kubi-shared/src/block.rs

@@ -0,0 +1,211 @@
+use serde::{Serialize, Deserialize};
+use strum::EnumIter;
+
+#[derive(Serialize, Deserialize, Clone, Copy, Debug, EnumIter)]
+#[repr(u8)]
+pub enum BlockTexture {
+  Stone,
+  Dirt,
+  GrassTop,
+  GrassSide,
+  Sand,
+  Bedrock,
+  Wood,
+  WoodTop,
+  Leaf,
+  Torch,
+  TallGrass,
+  Snow,
+  GrassSideSnow,
+  Cobblestone,
+  Planks,
+  WaterSolid,
+}
+
+#[derive(Serialize, Deserialize, Clone, Copy, Debug, PartialEq, Eq, EnumIter)]
+#[repr(u8)]
+pub enum Block {
+  Air,
+  Marker,
+  Stone,
+  Dirt,
+  Grass,
+  Sand,
+  Cobblestone,
+  TallGrass,
+  Planks,
+  Torch,
+  Wood,
+  Leaf,
+  Water,
+}
+
+impl Block {
+  #[inline]
+  pub const fn descriptor(self) -> BlockDescriptor {
+    match self {
+      Self::Air => BlockDescriptor {
+        name: "air",
+        render: RenderType::None,
+        collision: CollisionType::None,
+        raycast_collision: false,
+      },
+      Self::Marker => BlockDescriptor {
+        name: "marker",
+        render: RenderType::None,
+        collision: CollisionType::None,
+        raycast_collision: false,
+      },
+      Self::Stone => BlockDescriptor { 
+        name: "stone", 
+        render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Stone)), 
+        collision: CollisionType::Solid, 
+        raycast_collision: true, 
+      },
+      Self::Dirt => BlockDescriptor { 
+        name: "dirt", 
+        render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Dirt)), 
+        collision: CollisionType::Solid, 
+        raycast_collision: true, 
+      },
+      Self::Grass => BlockDescriptor { 
+        name: "grass", 
+        render: RenderType::SolidBlock(CubeTexture::top_sides_bottom(
+          BlockTexture::GrassTop, 
+          BlockTexture::GrassSide, 
+          BlockTexture::Dirt
+        )), 
+        collision: CollisionType::Solid, 
+        raycast_collision: true, 
+      },
+      Self::Sand => BlockDescriptor { 
+        name: "sand", 
+        render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Sand)), 
+        collision: CollisionType::Solid, 
+        raycast_collision: true, 
+      },
+      Self::Cobblestone => BlockDescriptor {
+        name: "cobblestone",
+        render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Cobblestone)),
+        collision: CollisionType::Solid,
+        raycast_collision: true,
+      },
+      Self::TallGrass => BlockDescriptor {
+        name: "tall grass",
+        render: RenderType::CrossShape(CrossTexture::all(BlockTexture::TallGrass)),
+        collision: CollisionType::None,
+        raycast_collision: true,
+      },
+      Self::Planks => BlockDescriptor { 
+        name: "planks", 
+        render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Planks)), 
+        collision: CollisionType::Solid, 
+        raycast_collision: true, 
+      },
+      Self::Torch => BlockDescriptor {
+        name: "torch",
+        render: RenderType::CrossShape(CrossTexture::all(BlockTexture::Torch)),
+        collision: CollisionType::None,
+        raycast_collision: true,
+      },
+      Self::Wood => BlockDescriptor {
+        name: "leaf",
+        render: RenderType::SolidBlock(CubeTexture::horizontal_vertical(BlockTexture::Wood, BlockTexture::WoodTop)),
+        collision: CollisionType::Solid,
+        raycast_collision: true,
+      },
+      Self::Leaf => BlockDescriptor {
+        name: "leaf",
+        render: RenderType::BinaryTransparency(CubeTexture::all(BlockTexture::Leaf)),
+        collision: CollisionType::Solid,
+        raycast_collision: true,
+      },
+      Self::Water => BlockDescriptor {
+        name: "water",
+        render: RenderType::BinaryTransparency(CubeTexture::all(BlockTexture::WaterSolid)),
+        collision: CollisionType::None,
+        raycast_collision: true,
+      },
+    }
+  }
+}
+
+#[derive(Clone, Copy, Debug)]
+pub struct BlockDescriptor {
+  pub name: &'static str,
+  pub render: RenderType,
+  pub collision: CollisionType,
+  pub raycast_collision: bool,
+}
+// impl BlockDescriptor {
+//   pub fn of(block: Block) -> Self {
+//     block.descriptor()
+//   }
+// }
+
+#[derive(Clone, Copy, Debug)]
+pub struct CubeTexture {
+  pub top: BlockTexture,
+  pub bottom: BlockTexture,
+  pub left: BlockTexture,
+  pub right: BlockTexture,
+  pub front: BlockTexture,
+  pub back: BlockTexture,
+}
+impl CubeTexture {
+  pub const fn top_sides_bottom(top: BlockTexture, sides: BlockTexture, bottom: BlockTexture) -> Self {
+    Self {
+      top,
+      bottom,
+      left: sides,
+      right: sides,
+      front: sides,
+      back: sides,
+    }
+  }
+  pub const fn horizontal_vertical(horizontal: BlockTexture, vertical: BlockTexture) -> Self {
+    Self::top_sides_bottom(vertical, horizontal, vertical)
+  }
+  pub const fn all(texture: BlockTexture) -> Self {
+    Self::horizontal_vertical(texture, texture)
+  }
+}
+
+#[derive(Clone, Copy, Debug)]
+pub struct CrossTextureSides {
+  pub front: BlockTexture,
+  pub back: BlockTexture
+}
+impl CrossTextureSides {
+  pub const fn all(texture: BlockTexture) -> Self {
+    Self {
+      front: texture,
+      back: texture
+    }
+  }
+}
+
+#[derive(Clone, Copy, Debug)]
+pub struct CrossTexture(pub CrossTextureSides, pub CrossTextureSides);
+impl CrossTexture {
+  pub const fn all(texture: BlockTexture) -> Self {
+    Self(
+      CrossTextureSides::all(texture), 
+      CrossTextureSides::all(texture)
+    )
+  }
+}
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum CollisionType {
+  None,
+  Solid,
+}
+
+#[derive(Clone, Copy, Debug)]
+pub enum RenderType {
+  None,
+  SolidBlock(CubeTexture),
+  BinaryTransparency(CubeTexture),
+  CrossShape(CrossTexture),
+}

kubi-shared/src/chunk.rs

@@ -0,0 +1,4 @@
+use crate::block::Block;
+
+pub const CHUNK_SIZE: usize = 32;
+pub type BlockData = Box<[[[Block; CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE]>;

kubi-shared/src/entity.rs

@@ -0,0 +1,18 @@
+use shipyard::Component;
+
+#[derive(Component)]
+pub struct Entity;
+
+#[derive(Component)]
+pub struct Health {
+  pub current: u8,
+  pub max: u8,
+}
+impl Health {
+  fn new(health: u8) -> Self {
+    Self {
+      current: health,
+      max: health
+    }
+  }
+}

kubi-shared/src/lib.rs

@@ -0,0 +1,8 @@
+pub mod block;
+pub mod networking;
+pub mod worldgen;
+pub mod chunk;
+pub mod transform;
+pub mod entity;
+pub mod player;
+pub mod queue;

kubi-shared/src/networking.rs

@@ -0,0 +1,3 @@
+pub mod messages;
+pub mod state;
+pub mod client;

kubi-shared/src/networking/client.rs

@@ -0,0 +1,3 @@
+pub type ClientId = u16;
+pub type ClientKey = u16;
+

kubi-shared/src/networking/messages.rs

@@ -0,0 +1,72 @@
+use std::num::NonZeroUsize;
+use serde::{Serialize, Deserialize};
+use crate::{chunk::BlockData, queue::QueuedBlock};
+
+pub type IVec3Arr = [i32; 3];
+pub type Vec3Arr = [f32; 3];
+pub type QuatArr = [f32; 3];
+
+pub const PROTOCOL_ID: u16 = 2;
+
+pub const C_CLIENT_HELLO: u8 = 0;
+pub const C_POSITION_CHANGED: u8 = 1;
+pub const C_CHUNK_SUB_REQUEST: u8 = 2;
+
+#[derive(Serialize, Deserialize, Clone)]
+#[repr(u8)]
+pub enum ClientToServerMessage {
+  ClientHello {
+    username: String,
+    password: Option<String>,
+  } = C_CLIENT_HELLO,
+  PositionChanged {
+    position: Vec3Arr,
+    velocity: Vec3Arr,
+    direction: QuatArr,
+  } = C_POSITION_CHANGED,
+  ChunkSubRequest {
+    chunk: IVec3Arr,
+  } = C_CHUNK_SUB_REQUEST,
+}
+
+pub const S_SERVER_HELLO: u8 = 0;
+pub const S_SERVER_FUCK_OFF: u8 = 1;
+pub const S_PLAYER_POSITION_CHANGED: u8 = 2;
+pub const S_CHUNK_RESPONSE: u8 = 3;
+
+#[derive(Serialize, Deserialize, Clone)]
+#[repr(u8)]
+pub enum ServerToClientMessage {
+  ServerHello {
+    init: InitData
+  } = S_SERVER_HELLO,
+  ServerFuckOff {
+    reason: String,
+  } = S_SERVER_FUCK_OFF,
+  PlayerPositionChanged {
+    client_id: u8,
+    position: Vec3Arr,
+    direction: QuatArr,
+  } = S_PLAYER_POSITION_CHANGED,
+  ChunkResponse {
+    chunk: IVec3Arr,
+    data: BlockData,
+    queued: Vec<QueuedBlock>,
+  } = S_CHUNK_RESPONSE,
+}
+
+//---
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct UserInitData {
+  pub client_id: NonZeroUsize, //maybe use the proper type instead
+  pub username: String,
+  pub position: Vec3Arr,
+  pub velocity: Vec3Arr,
+  pub direction: QuatArr,
+}
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct InitData {
+  pub users: Vec<UserInitData>
+}

kubi-shared/src/networking/state.rs

@@ -0,0 +1,15 @@
+use shipyard::{Unique, Component};
+
+// disconnected => connect => join => load => ingame
+#[derive(Unique, Component, PartialEq, Eq, Clone, Copy, Debug)]
+#[repr(u8)]
+pub enum ClientJoinState {
+  /// Not connected yet
+  Disconnected,
+  /// Client has connected to the game, but hasn't authenticated yet
+  Connected,
+  /// Client has joined the game, but hasn't loaded the world yet
+  Joined,
+  /// Client is currently ingame 
+  InGame,
+}

kubi-shared/src/player.rs

@@ -0,0 +1,4 @@
+use shipyard::Component;
+
+#[derive(Component)]
+pub struct Player;

kubi-shared/src/queue.rs

@@ -0,0 +1,11 @@
+use glam::IVec3;
+use serde::{Serialize, Deserialize};
+use crate::block::Block;
+
+#[derive(Serialize, Deserialize, Clone, Copy, Debug)]
+pub struct QueuedBlock {
+  pub position: IVec3,
+  pub block_type: Block,
+  /// Only replace air blocks
+  pub soft: bool,
+}

kubi-shared/src/transform.rs

@@ -0,0 +1,8 @@
+use shipyard::Component;
+use glam::{Mat4, Mat3};
+
+#[derive(Component, Clone, Copy, Debug, Default)]
+pub struct Transform(pub Mat4);
+
+#[derive(Component, Clone, Copy, Debug, Default)]
+pub struct Transform2d(pub Mat3);

kubi-shared/src/worldgen.rs

@@ -0,0 +1,333 @@
+use bracket_noise::prelude::*;
+use rand::prelude::*;
+use glam::{IVec3, ivec3, Vec3Swizzles, IVec2};
+use rand_xoshiro::Xoshiro256StarStar;
+use crate::{
+  chunk::{BlockData, CHUNK_SIZE},
+  block::Block,
+  queue::QueuedBlock,
+};
+
+fn mountain_ramp(mut x: f32) -> f32 {
+  x = x * 2.0;
+  if x < 0.4 {
+    0.5 * x
+  } else if x < 0.55 {
+    4. * (x - 0.4) + 0.2
+  } else {
+    0.4444 * (x - 0.55) + 0.8
+  }
+}
+
+fn local_height(height: i32, chunk_position: IVec3) -> usize {
+  let offset = chunk_position * CHUNK_SIZE as i32;
+  (height - offset.y).clamp(0, CHUNK_SIZE as i32) as usize
+}
+
+fn local_y_position(height: i32, chunk_position: IVec3) -> Option<usize> {
+  let offset = chunk_position * CHUNK_SIZE as i32;
+  let position = height - offset.y;
+  (0..CHUNK_SIZE as i32).contains(&position).then_some(position as usize)
+}
+
+
+pub fn generate_world(chunk_position: IVec3, seed: u64) -> (BlockData, Vec<QueuedBlock>) {
+  let offset = chunk_position * CHUNK_SIZE as i32;
+  let mut blocks = Box::new([[[Block::Air; CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE]);
+  let mut queue = Vec::with_capacity(0);
+
+  let mut smart_place = |blocks: &mut BlockData, position: IVec3, block: Block| {
+    if position.to_array().iter().any(|&x| !(0..CHUNK_SIZE).contains(&(x as usize))) {
+      let event_pos = offset + position;
+      queue.retain(|block: &QueuedBlock| {
+        block.position != event_pos
+      });
+      queue.push(QueuedBlock {
+        position: event_pos, 
+        block_type: block,
+        soft: true
+      });
+    } else {
+      blocks[position.x as usize][position.y as usize][position.z as usize] = block;
+    }
+  };
+
+  let mut height_noise = FastNoise::seeded(seed);
+  height_noise.set_fractal_type(FractalType::FBM);
+  height_noise.set_fractal_octaves(4);
+  height_noise.set_frequency(0.003);
+
+  let mut elevation_noise = FastNoise::seeded(seed.rotate_left(1));
+  elevation_noise.set_fractal_type(FractalType::FBM);
+  elevation_noise.set_fractal_octaves(1);
+  elevation_noise.set_frequency(0.001);
+  
+  let mut cave_noise_a = FastNoise::seeded(seed.rotate_left(2));
+  cave_noise_a.set_fractal_type(FractalType::FBM);
+  cave_noise_a.set_fractal_octaves(2);
+  cave_noise_a.set_frequency(0.01);
+
+  let mut cave_noise_b = FastNoise::seeded(seed.rotate_left(3));
+  cave_noise_b.set_fractal_type(FractalType::FBM);
+  cave_noise_b.set_fractal_octaves(3);
+  cave_noise_b.set_frequency(0.015);
+
+  let mut cave_noise_holes = FastNoise::seeded(seed.rotate_left(4));
+  cave_noise_holes.set_fractal_type(FractalType::FBM);
+  cave_noise_holes.set_fractal_octaves(2);
+  cave_noise_holes.set_frequency(0.005);
+
+  let mut ravine_nose_line = FastNoise::seeded(seed.rotate_left(5));
+  ravine_nose_line.set_fractal_type(FractalType::Billow);
+  ravine_nose_line.set_fractal_octaves(2);
+  ravine_nose_line.set_frequency(0.005);
+
+  let mut ravine_noise_location = FastNoise::seeded(seed.rotate_left(6));
+  ravine_noise_location.set_fractal_type(FractalType::FBM);
+  ravine_noise_location.set_fractal_octaves(1);
+  ravine_noise_location.set_frequency(0.005);
+
+  let mut river_noise = FastNoise::seeded(seed.rotate_left(7));
+  river_noise.set_fractal_type(FractalType::Billow);
+  river_noise.set_fractal_octaves(2);
+  river_noise.set_frequency(0.5 * 0.005);
+
+  let mut rng = Xoshiro256StarStar::seed_from_u64(
+    seed
+    ^ ((chunk_position.x as u32 as u64) << 0)
+    ^ ((chunk_position.z as u32 as u64) << 32)
+  );
+  let rng_map_a: [[f32; CHUNK_SIZE]; CHUNK_SIZE] = rng.gen();
+  let rng_map_b: [[f32; CHUNK_SIZE]; CHUNK_SIZE] = rng.gen();
+
+  //Generate height map
+  let mut within_heightmap = false;
+  let mut deco_heightmap = [[None; CHUNK_SIZE]; CHUNK_SIZE];
+
+  for x in 0..CHUNK_SIZE {
+    for z in 0..CHUNK_SIZE {
+      let (noise_x, noise_y) = ((offset.x + x as i32) as f32, (offset.z + z as i32) as f32);
+      //sample noises (that are needed right now)
+      let raw_heightmap_value = height_noise.get_noise(noise_x, noise_y);
+      let raw_elevation_value = elevation_noise.get_noise(noise_x, noise_y);
+      let raw_ravine_location_value = ravine_noise_location.get_noise(noise_x, noise_y);
+      //compute height
+      let mut is_surface = true;
+      let mut river_fill_height = None;
+      let height = {
+        let local_elevation = raw_elevation_value.powi(4).sqrt();
+        let mut height = (mountain_ramp(raw_heightmap_value) * local_elevation * 100.) as i32;
+        //Flatten valleys
+        if height < 0 {
+          height /= 2; 
+        }
+        //Generate rivers
+        {
+          let river_width = (height as f32 / -5.).clamp(0.5, 1.);
+          let river_value = river_noise.get_noise(noise_x, noise_y);
+          if ((-0.00625 * river_width)..(0.00625 * river_width)).contains(&(river_value.powi(2))) {
+            is_surface = false;
+            river_fill_height = Some(height - 1);
+            //river_fill_height = Some(-3);
+            height -= (river_width * 15. * ((0.00625 * river_width) - river_value.powi(2)) * (1. / (0.00625 * river_width))).round() as i32;
+          }
+        }
+        //Generate ravines
+        if height < 0 {
+          if raw_ravine_location_value > 0.4 {
+            let raw_ravine_value = ravine_nose_line.get_noise(noise_x, noise_y);
+            if (-0.0125..0.0125).contains(&(raw_ravine_value.powi(2))) {
+              is_surface = false;
+              height -= (100. * (0.0125 - raw_ravine_value.powi(2)) * (1. / 0.0125)).round() as i32;
+            }
+          }
+        }
+        height
+      };
+      //add to heightmap
+      if is_surface {
+        deco_heightmap[x as usize][z as usize] = Some(height);
+        //place dirt
+        for y in 0..local_height(height, chunk_position) {
+          blocks[x][y][z] = Block::Dirt;
+          within_heightmap = true;
+        }
+        //place stone
+        for y in 0..local_height(height - 5 - (raw_heightmap_value * 5.) as i32, chunk_position) {
+          blocks[x][y][z] = Block::Stone;
+          within_heightmap = true;
+        }
+        //place grass
+        if let Some(y) = local_y_position(height, chunk_position) {
+          blocks[x][y][z] = Block::Grass;
+          within_heightmap = true;
+        }
+      } else {
+        if let Some(river_fill_height) = river_fill_height {
+          //Place water
+          for y in 0..local_height(river_fill_height, chunk_position) {
+            blocks[x][y][z] = Block::Water;
+            within_heightmap = true;
+          }
+          //Place stone
+          for y in 0..local_height(height - 1, chunk_position) {
+            blocks[x][y][z] = Block::Stone;
+            within_heightmap = true;
+          }
+          //Place dirt
+          if let Some(y) = local_y_position(height, chunk_position) {
+            blocks[x][y][z] = Block::Dirt;
+            within_heightmap = true;
+          }
+        } else {
+          //Place stone
+          for y in 0..local_height(height, chunk_position) {
+            blocks[x][y][z] = Block::Stone;
+            within_heightmap = true;
+          }
+        }
+      }
+    }
+  }
+  
+  //Carve out caves
+  if within_heightmap {
+    for z in 0..CHUNK_SIZE {
+      for y in 0..CHUNK_SIZE {
+        for x in 0..CHUNK_SIZE {
+          if blocks[x][y][z] != Block::Stone { continue }
+
+          let cave_size = ((offset.y + y as i32) as f32 / -100.).clamp(0., 1.);
+          let inv_cave_size = 1. - cave_size;
+          if cave_size < 0.1 { continue }
+          
+          let position = ivec3(x as i32, y as i32, z as i32) + offset;
+
+          let is_cave = || {
+            let raw_cavemap_value_a = cave_noise_a.get_noise3d(position.x as f32, position.y as f32, position.z as f32);
+            let raw_cavemap_value_b = cave_noise_b.get_noise3d(position.x as f32, position.y as f32, position.z as f32);
+            ((cave_size * -0.15)..=(cave_size * 0.15)).contains(&raw_cavemap_value_a) && 
+            ((cave_size * -0.15)..=(cave_size * 0.15)).contains(&raw_cavemap_value_b)
+          };
+          let is_hole_cave = || {
+            let raw_cavemap_value_holes = cave_noise_holes.get_noise3d(position.x as f32, position.y as f32, position.z as f32);
+            ((0.9 + (0.1 * inv_cave_size))..=1.0).contains(&raw_cavemap_value_holes.abs())
+          };
+
+          if is_cave() || is_hole_cave() {
+            blocks[x][y][z] = Block::Air;
+            if deco_heightmap[x][z] == Some(y as i32 + offset.y) {
+              deco_heightmap[x][z] = None
+            }
+          }
+        }
+      }
+    }
+  }
+
+  //Add decorations
+  for x in 0..CHUNK_SIZE {
+    for z in 0..CHUNK_SIZE {
+      //get height
+      let Some(height) = deco_heightmap[x][z] else { continue };
+      //check for air
+      // if blocks[x][local_y][z] == Block::Air {
+      //   continue
+      // }
+      //place tall grass
+      if rng_map_a[x][z] < 0.03 {
+        if let Some(y) = local_y_position(height + 1, chunk_position) {
+          blocks[x][y][z] = Block::TallGrass;
+        }
+      }
+      //place trees!
+      if rng_map_a[x][z] < 0.001 {
+        //Place wood (no smart_place needed here!)
+        let tree_height = 4 + (rng_map_b[x][z] * 3.).round() as i32;
+        for tree_y in 0..tree_height {
+          if let Some(y) = local_y_position(height + 1 + tree_y, chunk_position) {
+            blocks[x][y][z] = Block::Wood;
+          }
+        }
+
+        let tree_height = 4 + (rng_map_b[x][z] * 3.).round() as i32;
+
+        //Place leaf blocks
+        if let Some(y) = local_y_position(height + 1, chunk_position) {
+          let tree_pos = ivec3(x as i32, y as i32, z as i32);
+          // Place wood (smart_place)
+          // for tree_y in 0..tree_height {
+          //   smart_place(&mut blocks, tree_pos + tree_y * IVec3::Y, Block::Wood);
+          // }
+          // Part that wraps around the tree
+          {
+            let tree_leaf_height = tree_height - 3;
+            let leaf_width = 2;
+            for tree_y in tree_leaf_height..tree_height {
+              for tree_x in (-leaf_width)..=leaf_width {
+                for tree_z in (-leaf_width)..=leaf_width {
+                  let tree_offset = ivec3(tree_x, tree_y, tree_z);
+                  if tree_offset.xz() == IVec2::ZERO { continue }
+                  smart_place(&mut blocks, tree_pos + tree_offset, Block::Leaf);
+                }
+              }
+            }
+          }
+          //part above the tree
+          {
+            let leaf_above_height = 2;
+            let leaf_width = 1;
+            for tree_y in tree_height..(tree_height + leaf_above_height) {
+              for tree_x in (-leaf_width)..=leaf_width {
+                for tree_z in (-leaf_width)..=leaf_width {
+                  let tree_offset = ivec3(tree_x, tree_y, tree_z);
+                  smart_place(&mut blocks, tree_pos + tree_offset, Block::Leaf);
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+
+  (blocks, queue)
+  
+  // let mut cave_noise = FastNoise::seeded(seed);
+  // cave_noise.set_fractal_type(FractalType::FBM);
+  // cave_noise.set_frequency(0.1);
+
+  // let mut dirt_noise = FastNoise::seeded(seed.rotate_left(1));
+  // dirt_noise.set_fractal_type(FractalType::FBM);
+  // dirt_noise.set_frequency(0.1);
+
+  // 
+
+  // if chunk_position.y >= 0 {
+  //   if chunk_position.y == 0 {
+  //     for x in 0..CHUNK_SIZE {
+  //       for z in 0..CHUNK_SIZE {
+  //         blocks[x][0][z] = Block::Dirt;
+  //         blocks[x][1][z] = Block::Grass;
+  //       }
+  //     }
+  //   }
+  // } else {
+  //   for x in 0..CHUNK_SIZE {
+  //     for y in 0..CHUNK_SIZE {
+  //       for z in 0..CHUNK_SIZE {
+  //         let position = ivec3(x as i32, y as i32, z as i32) + offset;
+  //         let v_cave_noise = cave_noise.get_noise3d(position.x as f32, position.y as f32, position.z as f32) * (-position.y as f32 - 10.0).clamp(0., 1.);
+  //         let v_dirt_noise = dirt_noise.get_noise3d(position.x as f32, position.y as f32, position.z as f32) * (-position.y as f32).clamp(0., 1.);
+  //         if v_cave_noise > 0.5 {
+  //           blocks[x][y][z] = Block::Stone;
+  //         } else if v_dirt_noise > 0.5 {
+  //           blocks[x][y][z] = Block::Dirt;
+  //         }
+  //       }
+  //     }
+  //   }
+  // }
+  // blocks
+
+}

kubi/Cargo.toml

@@ -0,0 +1,31 @@
+[package]
+name = "kubi"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[dependencies]
+kubi-shared = { path = "../kubi-shared" }
+kubi-logging = { path = "../kubi-logging" }
+log = "*"
+glium = "0.32"
+glam = { version = "0.23", features = ["debug-glam-assert", "fast-math"] }
+image = { version = "0.24", default_features = false, features = ["png"] }
+strum = { version = "0.24", features = ["derive"] }
+hashbrown = "0.13"
+rayon = "1.6"
+shipyard = { git = "https://github.com/leudz/shipyard", rev = "eb189f66", default-features = false, features = ["std", "proc", "thread_local"] }
+nohash-hasher = "0.2.0"
+anyhow = "1.0"
+flume = "0.10"
+gilrs = { version = "0.10", default_features = false, features = ["xinput"] }
+uflow = "0.7"
+postcard = { version = "1.0", features = ["alloc"] }
+
+[target.'cfg(target_os = "windows")'.dependencies]
+winapi = { version = "0.3" }
+
+[features]
+default = []
+parallel = ["shipyard/parallel"]
+nightly = ["glam/core-simd", "kubi-shared/nightly"]

kubi/shaders/colored.frag

@@ -1,4 +1,6 @@
-#version 150 core
+#version 300 es
+
+precision highp float;
 
 out vec4 out_color;
 uniform vec4 color;

kubi/shaders/colored.vert

@@ -1,4 +1,6 @@
-#version 150 core
+#version 300 es
+
+precision highp float;
 
 in vec3 position;
 uniform mat4 model;

kubi/shaders/gui/progressbar.frag

@@ -0,0 +1,17 @@
+#version 300 es
+
+precision highp float;
+
+in vec2 v_uv;
+out vec4 out_color;
+uniform float progress;
+uniform vec4 color;
+uniform vec4 bg_color;
+
+void main() {
+  if (v_uv.x <= progress) {
+    out_color = color;
+  } else {
+    out_color = bg_color;
+  }
+}

kubi/shaders/gui/progressbar.vert

@@ -0,0 +1,12 @@
+#version 300 es
+
+in vec2 position;
+out vec2 v_uv;
+uniform mat4 ui_view;
+uniform mat3 transform;
+
+void main() {
+  v_uv = position;
+  vec2 transformed = (transform * vec3(position, 1.)).xy;
+  gl_Position = ui_view * vec4(transformed, 0., 1.);
+}

kubi/shaders/selection_box.frag

@@ -0,0 +1,11 @@
+#version 300 es
+
+precision highp float;
+
+out vec4 color;
+uniform vec4 u_color;
+
+void main() {
+  color = u_color;
+  // color -= vec4(0, 0, 0, 0.1 * sin(gl_FragCoord.x) * cos(gl_FragCoord.y));
+}

kubi/shaders/selection_box.vert

@@ -1,4 +1,6 @@
-#version 150 core
+#version 300 es
+
+precision highp float;
 
 in vec3 position;
 uniform ivec3 u_position;

kubi/shaders/world.frag

@@ -1,4 +1,7 @@
-#version 150 core
+#version 300 es
+
+precision highp float;
+precision lowp sampler2DArray;
 
 in vec3 v_normal;
 in vec2 v_uv;
@@ -9,6 +12,10 @@ uniform sampler2DArray tex;
 void main() {
   // base color from texture
   color = texture(tex, vec3(v_uv, v_tex_index));
+  // discard fully transparent pixels
+  if (color.w <= 0.0) {
+    discard;
+  }
   //basic "lighting"
   float light = abs(v_normal.x) + .8 * abs(v_normal.y) + .6 * abs(v_normal.z);
   color *= vec4(vec3(light), 1.);

kubi/shaders/world.vert

@@ -1,4 +1,6 @@
-#version 150 core
+#version 300 es
+
+precision highp float;
 
 //TODO pack this data:
 // uint position_normal_uv

kubi/src/block_placement.rs

@@ -0,0 +1,94 @@
+use shipyard::{UniqueViewMut, UniqueView, View, IntoIter, ViewMut, EntitiesViewMut, Component, Workload, IntoWorkload};
+use glium::glutin::event::VirtualKeyCode;
+use kubi_shared::{
+  block::Block,
+  queue::QueuedBlock,
+};
+use crate::{
+  player::MainPlayer, 
+  world::{raycast::{LookingAtBlock, RAYCAST_STEP}, queue::BlockUpdateQueue}, 
+  input::{Inputs, PrevInputs, RawKbmInputState}, 
+  events::{EventComponent, player_actions::PlayerActionEvent},
+};
+
+#[derive(Component)]
+pub struct PlayerHolding(pub Block);
+impl Default for PlayerHolding {
+  fn default() -> Self {
+    Self(Block::Cobblestone)    
+  }
+}
+
+const BLOCK_KEY_MAP: &[(VirtualKeyCode, Block)] = &[
+  (VirtualKeyCode::Key1, Block::Cobblestone),
+  (VirtualKeyCode::Key2, Block::Planks),
+  (VirtualKeyCode::Key3, Block::Dirt),
+  (VirtualKeyCode::Key4, Block::Grass),
+  (VirtualKeyCode::Key5, Block::Sand),
+  (VirtualKeyCode::Key6, Block::Stone),
+  (VirtualKeyCode::Key7, Block::Torch),
+  (VirtualKeyCode::Key8, Block::Leaf),
+];
+
+fn pick_block_with_number_keys(
+  main_player: View<MainPlayer>,
+  mut holding: ViewMut<PlayerHolding>,
+  input: UniqueView<RawKbmInputState>,
+) {
+  let Some((_, mut holding)) = (&main_player, &mut holding).iter().next() else { return };
+  for &(key, block) in BLOCK_KEY_MAP {
+    if input.keyboard_state.contains(&key) {
+      holding.0 = block;
+      return
+    }
+  }
+}
+
+fn block_placement_system(
+  main_player: View<MainPlayer>,
+  holding: View<PlayerHolding>,
+  raycast: View<LookingAtBlock>,
+  input: UniqueView<Inputs>,
+  prev_input: UniqueView<PrevInputs>,
+  mut block_event_queue: UniqueViewMut<BlockUpdateQueue>,
+  mut entities: EntitiesViewMut,
+  mut events: ViewMut<EventComponent>,
+  mut player_events: ViewMut<PlayerActionEvent>,
+) {
+  let action_place = input.action_b && !prev_input.0.action_b;
+  let action_break = input.action_a && !prev_input.0.action_a;
+  if action_place ^ action_break {
+    //get components
+    let Some((_, ray, block)) = (&main_player, &raycast, &holding).iter().next() else { return };
+    let Some(ray) = ray.0 else { return };
+    //get coord and block type
+    let (place_position, place_block) = if action_place {
+      if block.0 == Block::Air { return }
+      let position = (ray.position - ray.direction * (RAYCAST_STEP + 0.001)).floor().as_ivec3();
+      (position, block.0)
+    } else {
+      (ray.block_position, Block::Air)
+    };
+    //queue place
+    block_event_queue.push(QueuedBlock {
+      position: place_position,
+      block_type: place_block,
+      soft: place_block != Block::Air,
+    });
+    //send event
+    entities.add_entity(
+      (&mut events, &mut player_events), 
+      (EventComponent, PlayerActionEvent::UpdatedBlock {
+        position: place_position,
+        block: place_block,
+      })
+    );
+  }
+}
+
+pub fn update_block_placement() -> Workload {
+  (
+    pick_block_with_number_keys,
+    block_placement_system
+  ).into_workload()
+}

kubi/src/camera/frustum.rs

@@ -8,7 +8,7 @@
 // three layers of stolen code, yay!
 
 use glam::{Vec3A, Vec4, Mat3A, vec3a, Vec3, vec4};
-use shipyard::{ViewMut, IntoIter, View};
+use shipyard::{ViewMut, IntoIter, View, track};
 use crate::transform::Transform;
 use super::Camera;
 
@@ -122,9 +122,9 @@ fn intersection<const A: usize, const B: usize, const C: usize>(planes: &[Vec4;
 
 pub fn update_frustum(
   mut cameras: ViewMut<Camera>,
-  transforms: View<Transform>
+  transforms: View<Transform, { track::All }>
 ) {
-  for (camera, _) in (&mut cameras, transforms.inserted_or_modified()).iter() {
+  for (mut camera, _) in (&mut cameras, transforms.inserted_or_modified()).iter() {
-    camera.frustum = Frustum::compute(camera);
+    camera.frustum = Frustum::compute(&camera);
   }
 }

kubi/src/camera/matrices.rs

@@ -0,0 +1,48 @@
+use glam::{Vec3, Mat4};
+use shipyard::{ViewMut, View, IntoIter, Workload, IntoWorkload, track, UniqueView, SystemModificator};
+use crate::{transform::Transform, rendering::WindowSize, events::WindowResizedEvent};
+use super::Camera;
+
+//maybe parallelize these two?
+
+fn update_view_matrix(
+  mut vm_camera: ViewMut<Camera>,
+  v_transform: View<Transform, { track::All }>
+) {
+  for (mut camera, transform) in (&mut vm_camera, v_transform.inserted_or_modified()).iter() {
+    let (_, rotation, translation) = transform.0.to_scale_rotation_translation();
+    let direction = (rotation.normalize() * Vec3::NEG_Z).normalize();
+    camera.view_matrix = Mat4::look_to_rh(translation, direction, camera.up);
+  }
+}
+
+fn update_perspective_matrix(
+  mut vm_camera: ViewMut<Camera>,
+  size: UniqueView<WindowSize>,
+) {
+  for mut camera in (&mut vm_camera).iter() {
+    camera.perspective_matrix = Mat4::perspective_rh_gl(
+      camera.fov, 
+      size.0.x as f32 / size.0.y as f32, 
+      camera.z_near,
+      camera.z_far, 
+    )
+  }
+}
+
+fn need_perspective_calc(
+  v_camera: View<Camera>,
+  resize_event: View<WindowResizedEvent>,
+) -> bool {
+  (resize_event.len() > 0) ||
+  (v_camera.iter().any(|camera| {
+    camera.perspective_matrix == Mat4::default()
+  }))
+}
+
+pub fn update_matrices() -> Workload {
+  (
+    update_view_matrix, 
+    update_perspective_matrix.run_if(need_perspective_calc),
+  ).into_workload()
+}

kubi/src/color.rs

@@ -0,0 +1,12 @@
+use glam::{Vec4, vec4};
+
+#[inline(always)]
+pub fn color_rgba(r: u8, g: u8, b: u8, a: u8) -> Vec4 {
+  vec4(r as f32 / 255., g as f32 / 255., b as f32 / 255., a as f32 / 255.)
+}
+
+#[inline(always)]
+pub fn color_hex(c: u32) -> Vec4 {
+  let c = c.to_be_bytes();
+  color_rgba(c[0], c[1], c[2], c[3])
+}

kubi/src/connecting_screen.rs

@@ -0,0 +1,12 @@
+use kubi_shared::networking::state::ClientJoinState;
+use shipyard::{UniqueViewMut, UniqueView};
+use crate::state::{NextState, GameState};
+
+pub fn switch_to_loading_if_connected(
+  mut next_state: UniqueViewMut<NextState>,
+  client_state: UniqueView<ClientJoinState>,
+) { 
+  if *client_state == ClientJoinState::Joined {
+    next_state.0 = Some(GameState::LoadingWorld);
+  }
+}

kubi/src/control_flow.rs

@@ -1,12 +1,12 @@
 use shipyard::{UniqueView, UniqueViewMut, Unique, AllStoragesView};
 use glium::glutin::{event::VirtualKeyCode, event_loop::ControlFlow};
-use crate::input::RawInputState;
+use crate::input::RawKbmInputState;
 
 #[derive(Unique)]
 pub struct SetControlFlow(pub Option<ControlFlow>);
 
 pub fn exit_on_esc(
-  raw_inputs: UniqueView<RawInputState>,
+  raw_inputs: UniqueView<RawKbmInputState>,
   mut control_flow: UniqueViewMut<SetControlFlow>
 ) {
   if raw_inputs.keyboard_state.contains(&VirtualKeyCode::Escape) {

kubi/src/cursor_lock.rs

@@ -3,7 +3,6 @@ use crate::rendering::Renderer;
 use glium::glutin::window::CursorGrabMode;
 
 #[derive(Unique)]
-#[track(All)]
 pub struct CursorLock(pub bool);
 
 pub fn update_cursor_lock_state(

kubi/src/events.rs

@@ -1,6 +1,7 @@
 use glam::UVec2;
-use shipyard::{World, Component, AllStoragesViewMut, SparseSet};
+use shipyard::{World, Component, AllStoragesViewMut, SparseSet, NonSendSync, UniqueView};
 use glium::glutin::event::{Event, DeviceEvent, DeviceId, WindowEvent};
+use crate::rendering::Renderer;
 
 pub mod player_actions;
 
@@ -50,6 +51,19 @@ pub fn process_glutin_events(world: &mut World, event: &Event<'_, ()>) {
   }
 }
 
+pub fn initial_resize_event(
+  mut storages: AllStoragesViewMut,
+) {
+  let (w, h) = {
+    let renderer = storages.borrow::<NonSendSync<UniqueView<Renderer>>>().unwrap();
+    renderer.display.get_framebuffer_dimensions()
+  };
+  storages.add_entity((
+    EventComponent, 
+    WindowResizedEvent(UVec2::new(w, h))
+  ));
+}
+
 pub fn clear_events(
   mut all_storages: AllStoragesViewMut,
 ) {

kubi/src/events/player_actions.rs

@@ -1,8 +1,7 @@
-use shipyard::{Component, View, ViewMut, EntitiesViewMut, IntoIter};
+use shipyard::{Component, View, ViewMut, EntitiesViewMut, IntoIter, track};
 use glam::{IVec3, Quat, Vec3};
-
+use kubi_shared::block::Block;
 use crate::{
-  world::block::Block, 
   player::MainPlayer, 
   transform::Transform
 };
@@ -21,7 +20,7 @@ pub enum PlayerActionEvent {
 }
 
 pub fn generate_move_events(
-  transforms: View<Transform>,
+  transforms: View<Transform, { track::All }>,
   player: View<MainPlayer>,
   mut entities: EntitiesViewMut,
   mut events: ViewMut<EventComponent>,

kubi/src/fly_controller.rs

@@ -1,5 +1,5 @@
 use glam::{Vec3, Mat4, Quat, EulerRot, Vec2};
-use shipyard::{Component, View, ViewMut, IntoIter, UniqueView, Workload, IntoWorkload};
+use shipyard::{Component, View, ViewMut, IntoIter, UniqueView, Workload, IntoWorkload, track};
 use std::f32::consts::PI;
 use crate::{transform::Transform, input::Inputs, settings::GameSettings, delta_time::DeltaTime};
 
@@ -13,11 +13,11 @@ pub fn update_controllers() -> Workload {
   ).into_workload()
 }
 
-const MAX_PITCH: f32 = PI/2. - 0.025;
+const MAX_PITCH: f32 = PI/2. - 0.05;
 
 fn update_look(
   controllers: View<FlyController>,
-  mut transforms: ViewMut<Transform>,
+  mut transforms: ViewMut<Transform, { track::All }>,
   inputs: UniqueView<Inputs>,
   settings: UniqueView<GameSettings>,
   dt: UniqueView<DeltaTime>,
@@ -37,12 +37,12 @@ fn update_look(
 
 fn update_movement(
   controllers: View<FlyController>,
-  mut transforms: ViewMut<Transform>,
+  mut transforms: ViewMut<Transform, { track::All }>,
   inputs: UniqueView<Inputs>,
   dt: UniqueView<DeltaTime>,
 ) {
   if inputs.movement == Vec2::ZERO { return }
-  let movement = inputs.movement.normalize_or_zero() * 30. * dt.0.as_secs_f32();
+  let movement = inputs.movement * 30. * dt.0.as_secs_f32();
   for (_, mut transform) in (&controllers, &mut transforms).iter() {
     let (scale, rotation, mut translation) = transform.0.to_scale_rotation_translation();
     translation += (rotation * Vec3::NEG_Z).normalize() * movement.y;

kubi/src/gui.rs

@@ -0,0 +1,78 @@
+use shipyard::{Component, Unique, Workload, IntoWorkload, AllStoragesView, View, UniqueViewMut, IntoIter};
+use glam::{Vec4, Mat4};
+use crate::{color::color_hex, events::WindowResizedEvent};
+
+pub mod text_widget;
+pub mod progressbar;
+
+use progressbar::render_progressbars;
+
+//TODO compute gui scale on window resize
+#[derive(Unique, Clone, Copy, Debug, Default)]
+pub struct GuiView(pub Mat4);
+
+#[derive(Component, Clone, Copy, Debug, Default)]
+pub struct GuiComponent;
+
+#[derive(Component, Clone, Copy, Debug)]
+pub struct PrimaryColor(pub Vec4);
+impl Default for PrimaryColor {
+  fn default() -> Self {
+    Self(color_hex(0x156cddff))
+  }
+}
+
+#[derive(Component, Clone, Copy, Debug)]
+pub struct SecondaryColor(pub Vec4);
+impl Default for SecondaryColor {
+  fn default() -> Self {
+    Self(color_hex(0xc9d5e4ff))
+  }
+}
+
+fn update_gui_view(
+  mut view: UniqueViewMut<GuiView>,
+  resize: View<WindowResizedEvent>,
+) {
+  let Some(&size) = resize.iter().next() else {
+    return
+  };
+  let [w, h] = size.0.to_array();
+  view.0 = Mat4::orthographic_rh_gl(0.0, w as f32, h as f32, 0.0, -1.0, 1.0);
+}
+
+pub fn init_gui(
+  storages: AllStoragesView
+) {
+  storages.add_unique(GuiView::default());
+}
+
+pub fn update_gui() -> Workload {
+  (
+    update_gui_view
+  ).into_workload()
+}
+
+pub fn render_gui() -> Workload {
+  (
+    render_progressbars
+  ).into_workload()
+}
+
+// pub fn gui_testing(
+//   mut storages: AllStoragesViewMut,
+// ) {
+//   storages.add_entity((
+//     GuiComponent,
+//     Transform2d(Mat3::from_scale_angle_translation(
+//       vec2(1920., 16.), 
+//       0.,
+//       vec2(0., 0.)
+//     )),
+//     ProgressbarComponent {
+//       progress: 0.33
+//     },
+//     PrimaryColor::default(),
+//     SecondaryColor::default(),
+//   ));
+// }

kubi/src/gui/progressbar.rs

@@ -0,0 +1,46 @@
+use shipyard::{UniqueView, UniqueViewMut, NonSendSync, View, Component, IntoIter, IntoWithId, Get, track};
+use glium::{Surface, uniform, DrawParameters};
+use crate::{
+  prefabs::ProgressbarShaderPrefab,
+  rendering::{
+    RenderTarget, 
+    primitives::rect::RectPrimitive
+  }, 
+  transform::Transform2d,
+};
+use super::{GuiComponent, PrimaryColor, SecondaryColor, GuiView};
+
+#[derive(Component, Debug, Clone, Copy, Default)]
+pub struct ProgressbarComponent {
+  pub progress: f32
+}
+
+pub fn render_progressbars(
+  mut target: NonSendSync<UniqueViewMut<RenderTarget>>,
+  rect: NonSendSync<UniqueView<RectPrimitive>>,
+  program: NonSendSync<UniqueView<ProgressbarShaderPrefab>>,
+  view: UniqueView<GuiView>,
+  components: View<GuiComponent>,
+  transforms: View<Transform2d, { track::All }>,
+  progressbars: View<ProgressbarComponent>,
+  primary: View<PrimaryColor>,
+  secondary: View<SecondaryColor>,
+) {
+  for (eid, (_, transform, progress)) in (&components, &transforms, &progressbars).iter().with_id() {
+    let primary_color = primary.get(eid).copied().unwrap_or_default();
+    let secondary_color = secondary.get(eid).copied().unwrap_or_default();
+    target.0.draw(
+      &rect.0,
+      &rect.1,
+      &program.0,
+      &uniform! {
+        transform: transform.0.to_cols_array_2d(),
+        ui_view: view.0.to_cols_array_2d(),
+        progress: progress.progress,
+        color: primary_color.0.to_array(),
+        bg_color: secondary_color.0.to_array(),
+      },
+      &DrawParameters::default()
+    ).unwrap();
+  }
+}

kubi/src/gui/text_widget.rs

@@ -0,0 +1 @@
+//TODO text widget

kubi/src/init.rs

@@ -0,0 +1,21 @@
+use shipyard::{AllStoragesView, UniqueViewMut};
+use std::{env, net::SocketAddr};
+use crate::{
+  networking::{GameType, ServerAddress},
+  state::{GameState, NextState}
+};
+
+pub fn initialize_from_args(
+  all_storages: AllStoragesView,
+) {
+  let args: Vec<String> = env::args().collect();
+  if args.len() > 1 {
+    let address = args[1].parse::<SocketAddr>().expect("invalid address");
+    all_storages.add_unique(GameType::Muliplayer);
+    all_storages.add_unique(ServerAddress(address));
+    all_storages.borrow::<UniqueViewMut<NextState>>().unwrap().0 = Some(GameState::Connecting);
+  } else {
+    all_storages.add_unique(GameType::Singleplayer);
+    all_storages.borrow::<UniqueViewMut<NextState>>().unwrap().0 = Some(GameState::LoadingWorld);
+  }
+}

kubi/src/input.rs

@@ -0,0 +1,138 @@
+use gilrs::{Gilrs, GamepadId, Button, Event, Axis};
+use glam::{Vec2, DVec2, vec2};
+use glium::glutin::event::{DeviceEvent, VirtualKeyCode, ElementState};
+use hashbrown::HashSet;
+use nohash_hasher::BuildNoHashHasher;
+use shipyard::{AllStoragesView, Unique, View, IntoIter, UniqueViewMut, Workload, IntoWorkload, UniqueView, NonSendSync};
+use crate::events::InputDeviceEvent;
+
+#[derive(Unique, Clone, Copy, Default, Debug)]
+pub struct Inputs {
+  pub movement: Vec2,
+  pub look: Vec2,
+  pub action_a: bool,
+  pub action_b: bool,
+}
+
+#[derive(Unique, Clone, Copy, Default, Debug)]
+pub struct PrevInputs(pub Inputs);
+
+#[derive(Unique, Clone, Default, Debug)]
+pub struct RawKbmInputState {
+  pub keyboard_state: HashSet<VirtualKeyCode, BuildNoHashHasher<u32>>,
+  pub button_state: [bool; 32],
+  pub mouse_delta: DVec2
+}
+
+#[derive(Unique)]
+pub struct GilrsWrapper(Gilrs);
+
+#[derive(Unique, Default, Clone, Copy)]
+pub struct ActiveGamepad(Option<GamepadId>);
+
+//maybe we should manage gamepad state ourselves just like keyboard?
+//at least for the sake of consitency
+
+fn process_events(
+  device_events: View<InputDeviceEvent>,
+  mut input_state: UniqueViewMut<RawKbmInputState>,
+) {
+  input_state.mouse_delta = DVec2::ZERO;
+  for event in device_events.iter() {
+    match event.event {
+      DeviceEvent::MouseMotion { delta } => {
+        input_state.mouse_delta = DVec2::from(delta);
+      },
+      DeviceEvent::Key(input) => {
+        if let Some(keycode) = input.virtual_keycode {
+          match input.state {
+            ElementState::Pressed  => input_state.keyboard_state.insert(keycode),
+            ElementState::Released => input_state.keyboard_state.remove(&keycode),
+          };
+        }
+      },
+      DeviceEvent::Button { button, state } => {
+        if button < 32 {
+          input_state.button_state[button as usize] = matches!(state, ElementState::Pressed);
+        }
+      },
+      _ => ()
+    }
+  }
+}
+
+fn process_gilrs_events(
+  mut gilrs: NonSendSync<UniqueViewMut<GilrsWrapper>>,
+  mut active_gamepad: UniqueViewMut<ActiveGamepad>
+) {
+  while let Some(Event { id, event: _, time: _ }) = gilrs.0.next_event() {
+    active_gamepad.0 = Some(id);
+  }
+}
+
+fn input_start(
+  mut inputs: UniqueViewMut<Inputs>,
+  mut prev_inputs: UniqueViewMut<PrevInputs>,
+) {
+  prev_inputs.0 = *inputs;
+  *inputs = Inputs::default();
+}
+
+fn update_input_state (
+  raw_inputs: UniqueView<RawKbmInputState>,
+  mut inputs: UniqueViewMut<Inputs>,
+) {
+  inputs.movement += Vec2::new(
+    raw_inputs.keyboard_state.contains(&VirtualKeyCode::D) as u32 as f32 -
+    raw_inputs.keyboard_state.contains(&VirtualKeyCode::A) as u32 as f32,
+    raw_inputs.keyboard_state.contains(&VirtualKeyCode::W) as u32 as f32 -
+    raw_inputs.keyboard_state.contains(&VirtualKeyCode::S) as u32 as f32
+  );
+  inputs.look += raw_inputs.mouse_delta.as_vec2();
+  inputs.action_a |= raw_inputs.button_state[1];
+  inputs.action_b |= raw_inputs.button_state[3];
+}
+
+fn update_input_state_gamepad (
+  gilrs: NonSendSync<UniqueView<GilrsWrapper>>,
+  active_gamepad: UniqueView<ActiveGamepad>,
+  mut inputs: UniqueViewMut<Inputs>,
+) {
+  if let Some(gamepad) = active_gamepad.0.map(|id| gilrs.0.gamepad(id)) {
+    let left_stick = vec2(gamepad.value(Axis::LeftStickX), gamepad.value(Axis::LeftStickY));
+    let right_stick = vec2(gamepad.value(Axis::RightStickX), -gamepad.value(Axis::RightStickY));
+    inputs.movement += left_stick;
+    inputs.look += right_stick;
+    inputs.action_a |= gamepad.is_pressed(Button::South);
+    inputs.action_b |= gamepad.is_pressed(Button::East);
+  }
+}
+
+fn input_end(
+  mut inputs: UniqueViewMut<Inputs>,
+) {
+  if inputs.movement.length() >= 1. {
+    inputs.movement = inputs.movement.normalize();
+  }
+}
+
+pub fn init_input (
+  storages: AllStoragesView
+) {
+  storages.add_unique_non_send_sync(GilrsWrapper(Gilrs::new().expect("Failed to initialize Gilrs")));
+  storages.add_unique(ActiveGamepad::default());
+  storages.add_unique(Inputs::default());
+  storages.add_unique(PrevInputs::default());
+  storages.add_unique(RawKbmInputState::default());
+}
+
+pub fn process_inputs() -> Workload {
+  (
+    process_events,
+    process_gilrs_events,
+    input_start,
+    update_input_state,
+    update_input_state_gamepad,
+    input_end,
+  ).into_workload()
+}

kubi/src/loading_screen.rs

@@ -0,0 +1,104 @@
+use shipyard::{UniqueView, UniqueViewMut, Workload, IntoWorkload, EntityId, Unique, AllStoragesViewMut, ViewMut, Get, SystemModificator, track};
+use glium::glutin::event::VirtualKeyCode;
+use glam::{Mat3, vec2};
+use crate::{
+  world::ChunkStorage, 
+  state::{GameState, NextState, is_changing_state}, 
+  transform::Transform2d,
+  gui::{
+    GuiComponent, 
+    progressbar::ProgressbarComponent
+  },
+  rendering::{WindowSize, if_resized}, 
+  input::RawKbmInputState, 
+};
+
+#[derive(Unique, Clone, Copy)]
+struct ProgressbarId(EntityId);
+
+fn spawn_loading_screen(
+  mut storages: AllStoragesViewMut,
+) {
+  let size = *storages.borrow::<UniqueView<WindowSize>>().unwrap();
+  let entity = storages.add_entity((
+    GuiComponent,
+    Transform2d(Mat3::from_scale_angle_translation(
+      vec2(size.0.x as f32, 16.), 
+      0.,
+      vec2(0., 0.)
+    )),
+    ProgressbarComponent {
+      progress: 0.33
+    },
+  ));
+  storages.add_unique(ProgressbarId(entity));
+}
+
+fn resize_progress_bar(
+  size: UniqueView<WindowSize>,
+  bar: UniqueView<ProgressbarId>,
+  mut transforms: ViewMut<Transform2d, { track::All }>
+) {
+  let mut trans = (&mut transforms).get(bar.0).unwrap();
+  trans.0.x_axis.x = size.0.x as f32;
+}
+
+fn update_progress_bar_progress (
+  world: UniqueView<ChunkStorage>,
+  mut bar: ViewMut<ProgressbarComponent>,
+  eid: UniqueView<ProgressbarId>,
+) {
+  let mut bar = (&mut bar).get(eid.0).unwrap();
+  let loaded = world.chunks.iter().fold(0, |acc, (&_, chunk)| {
+    acc + chunk.desired_state.matches_current(chunk.current_state) as usize
+  });
+  let total = world.chunks.len();
+  let progress = loaded as f32 / total as f32;
+  bar.progress = progress;
+}
+
+fn switch_to_ingame_if_loaded(
+  world: UniqueView<ChunkStorage>,
+  mut state: UniqueViewMut<NextState>
+) {
+  if world.chunks.is_empty() {
+    return
+  }
+  if world.chunks.iter().all(|(_, chunk)| {
+    chunk.desired_state.matches_current(chunk.current_state)
+  }) {
+    log::info!("Finished loading chunks");
+    state.0 = Some(GameState::InGame);
+  }
+}
+
+fn override_loading(
+  kbm_state: UniqueView<RawKbmInputState>,
+  mut state: UniqueViewMut<NextState>
+) {
+  if kbm_state.keyboard_state.contains(&VirtualKeyCode::F) {
+    state.0 = Some(GameState::InGame);
+  }
+}
+
+fn despawn_loading_screen_if_switching_state(
+  mut storages: AllStoragesViewMut,
+) {
+  let state = storages.borrow::<UniqueView<NextState>>().unwrap().0.unwrap();
+  if state != GameState::LoadingWorld {
+    let progress_bar = storages.borrow::<UniqueView<ProgressbarId>>().unwrap().0;
+    storages.delete_entity(progress_bar);
+    storages.remove_unique::<ProgressbarId>().unwrap();
+  }
+}
+
+pub fn update_loading_screen() -> Workload {
+  (
+    spawn_loading_screen.run_if_missing_unique::<ProgressbarId>(),
+    resize_progress_bar.run_if(if_resized),
+    update_progress_bar_progress,
+    override_loading,
+    switch_to_ingame_if_loaded,
+    despawn_loading_screen_if_switching_state.run_if(is_changing_state),
+  ).into_workload()
+}

kubi/src/main.rs

@@ -1,10 +1,14 @@
-// allowed because systems often need a lot of arguments
+#![cfg_attr(
-#![allow(clippy::too_many_arguments)] 
+  all(windows, not(debug_assertions)), 
+  windows_subsystem = "windows"
+)]
+#![allow(clippy::too_many_arguments)] // allowed because systems often need a lot of arguments
 
 use shipyard::{
   World, Workload, IntoWorkload, 
   UniqueView, UniqueViewMut, 
-  NonSendSync
+  NonSendSync, WorkloadModificator, 
+  SystemModificator
 };
 use glium::{
   glutin::{
@@ -15,13 +19,12 @@ use glium::{
 use glam::vec3;
 use std::time::Instant;
 
-mod logging;
+pub use kubi_shared::transform;
 
 pub(crate) mod rendering;
 pub(crate) mod world;
 pub(crate) mod player;
 pub(crate) mod prefabs;
-pub(crate) mod transform;
 pub(crate) mod settings;
 pub(crate) mod camera;
 pub(crate) mod events;
@@ -31,19 +34,30 @@ pub(crate) mod block_placement;
 pub(crate) mod delta_time;
 pub(crate) mod cursor_lock;
 pub(crate) mod control_flow;
+pub(crate) mod state;
+pub(crate) mod gui;
+pub(crate) mod networking;
+pub(crate) mod init;
+pub(crate) mod color;
+pub(crate) mod loading_screen;
+pub(crate) mod connecting_screen;
 
 use world::{
   init_game_world,
   loading::update_loaded_world_around_player, 
-  raycast::update_raycasts
+  raycast::update_raycasts,
+  queue::apply_queued_blocks, 
+  tasks::{inject_network_responses_into_manager_queue, ChunkTaskManager}, ChunkStorage
 };
-use player::spawn_player;
+use player::{spawn_player, MainPlayer};
 use prefabs::load_prefabs;
 use settings::load_settings;
 use camera::compute_cameras;
 use events::{
-  clear_events, process_glutin_events, 
+  clear_events, 
-  player_actions::generate_move_events
+  process_glutin_events, 
+  initial_resize_event,
+  player_actions::generate_move_events, 
 };
 use input::{init_input, process_inputs};
 use fly_controller::update_controllers;
@@ -52,49 +66,86 @@ use rendering::{
   RenderTarget, 
   BackgroundColor, 
   clear_background,
-  primitives::init_simple_box_buffers,
+  init_window_size, 
+  update_window_size,
+  primitives::init_primitives,
   selection_box::render_selection_box,
   world::draw_world,
   world::draw_current_chunk_border, 
 };
-use block_placement::block_placement_system;
+use block_placement::update_block_placement;
 use delta_time::{DeltaTime, init_delta_time};
 use cursor_lock::{insert_lock_state, update_cursor_lock_state, lock_cursor_now};
 use control_flow::{exit_on_esc, insert_control_flow_unique, SetControlFlow};
+use state::{is_ingame, is_ingame_or_loading, is_loading, init_state, update_state, is_connecting};
+use networking::{update_networking, is_multiplayer, disconnect_on_exit};
+use init::initialize_from_args;
+use gui::{render_gui, init_gui, update_gui};
+use loading_screen::update_loading_screen;
+use connecting_screen::switch_to_loading_if_connected;
 
 fn startup() -> Workload {
   (
+    initial_resize_event,
+    init_window_size,
     load_settings,
     load_prefabs,
-    init_simple_box_buffers,
+    init_primitives,
     insert_lock_state,
+    init_state,
+    initialize_from_args,
     lock_cursor_now,
     init_input,
-    init_game_world,
+    init_gui,
-    spawn_player,
     insert_control_flow_unique,
     init_delta_time,
   ).into_workload()
 }
 fn update() -> Workload {
   (
+    update_window_size,
+    update_cursor_lock_state,
     process_inputs,
+    (
+      init_game_world.run_if_missing_unique::<ChunkTaskManager>(),
+      spawn_player.run_if_storage_empty::<MainPlayer>(),
+    ).into_sequential_workload().run_if(is_ingame_or_loading).tag("game_init"),
+    (
+      update_networking,
+      inject_network_responses_into_manager_queue.run_if(is_ingame_or_loading).skip_if_missing_unique::<ChunkTaskManager>(),
+    ).into_sequential_workload().run_if(is_multiplayer).tag("networking").after_all("game_init"),
+    (
+      switch_to_loading_if_connected
+    ).into_workload().run_if(is_connecting).after_all("networking"),
+    (
+      update_loading_screen,
+    ).into_workload().run_if(is_loading).after_all("game_init"),
+    (
+      update_loaded_world_around_player,
+    ).into_workload().run_if(is_ingame_or_loading).after_all("game_init"),
+    (
       update_controllers,
       generate_move_events,
-    update_loaded_world_around_player,
       update_raycasts,
-    block_placement_system,
+      update_block_placement,
-    update_cursor_lock_state,
+      apply_queued_blocks,
+    ).into_workload().run_if(is_ingame),
     compute_cameras,
+    update_gui,
+    update_state,
     exit_on_esc,
+    disconnect_on_exit.run_if(is_multiplayer),
   ).into_workload()
 }
 fn render() -> Workload {
   (
     clear_background,
+    (
       draw_world,
       draw_current_chunk_border,
       render_selection_box,
+    ).into_sequential_workload().run_if(is_ingame),
+    render_gui,
   ).into_sequential_workload()
 }
 fn after_frame_end() -> Workload {
@@ -103,15 +154,28 @@ fn after_frame_end() -> Workload {
   ).into_workload()
 }
 
-fn main() {
+#[cfg(all(windows, not(debug_assertions)))]
-  logging::init();
+fn attach_console() {
+  use winapi::um::wincon::{AttachConsole, ATTACH_PARENT_PROCESS};
+  unsafe { AttachConsole(ATTACH_PARENT_PROCESS); }
+}
 
-  //Create event loop
+fn main() {
-  let event_loop = EventLoop::new();
+  //Attach console on release builds on windows
+  #[cfg(all(windows, not(debug_assertions)))] attach_console();
+  
+  //Print version
+  println!("{:─^54}", format!("[ ▄▀ Kubi client v. {} ]", env!("CARGO_PKG_VERSION")));
+
+  //Init env_logger
+  kubi_logging::init();
 
   //Create a shipyard world
   let mut world = World::new();
 
+  //Create event loop
+  let event_loop = EventLoop::new();
+
   //Add systems and uniques, Init and load things
   world.add_unique_non_send_sync(Renderer::init(&event_loop));
   world.add_unique(BackgroundColor(vec3(0.5, 0.5, 1.)));
@@ -148,7 +212,7 @@ fn main() {
           last_update = now;
         }
         
-        //Run update workflow
+        //Run update workflows
         world.run_workload(update).unwrap();
         
         //Start rendering (maybe use custom views for this?)

kubi/src/networking.rs

@@ -0,0 +1,169 @@
+use shipyard::{Unique, AllStoragesView, UniqueView, UniqueViewMut, Workload, IntoWorkload, EntitiesViewMut, Component, ViewMut, SystemModificator, View, IntoIter, WorkloadModificator};
+use glium::glutin::event_loop::ControlFlow;
+use std::net::SocketAddr;
+use uflow::client::{Client, Config as ClientConfig, Event as ClientEvent};
+use kubi_shared::networking::{
+  messages::{ClientToServerMessage, ServerToClientMessage, S_SERVER_HELLO},
+  state::ClientJoinState
+};
+use crate::{events::EventComponent, control_flow::SetControlFlow};
+
+#[derive(Unique, Clone, Copy, PartialEq, Eq)]
+pub enum GameType {
+  Singleplayer,
+  Muliplayer
+}
+
+#[derive(Unique, Clone, Copy, PartialEq, Eq)]
+pub struct ServerAddress(pub SocketAddr);
+
+#[derive(Unique)]
+pub struct UdpClient(pub Client);
+
+#[derive(Component)]
+pub struct NetworkEvent(pub ClientEvent);
+
+impl NetworkEvent {
+  ///Checks if postcard-encoded message has a type
+  pub fn is_message_of_type<const T: u8>(&self) -> bool {
+    let ClientEvent::Receive(data) = &self.0 else { return false };
+    if data.len() == 0 { return false }
+    data[0] == T
+  }
+}
+
+#[derive(Component)]
+pub struct NetworkMessageEvent(pub ServerToClientMessage);
+
+fn connect_client(
+  storages: AllStoragesView
+) {
+  log::info!("Creating client");
+  let address = storages.borrow::<UniqueView<ServerAddress>>().unwrap();
+  let client = Client::connect(address.0, ClientConfig::default()).expect("Client connection failed");
+  storages.add_unique(UdpClient(client));
+  storages.add_unique(ClientJoinState::Disconnected);
+}
+
+fn poll_client(
+  mut client: UniqueViewMut<UdpClient>,
+  mut entities: EntitiesViewMut,
+  mut events: ViewMut<EventComponent>,
+  mut network_events: ViewMut<NetworkEvent>,
+) {
+  entities.bulk_add_entity((
+    &mut events,
+    &mut network_events,
+  ), client.0.step().map(|event| {
+    (EventComponent, NetworkEvent(event))
+  }));
+}
+
+fn set_client_join_state_to_connected(
+  mut join_state: UniqueViewMut<ClientJoinState>
+) {
+  log::info!("Setting ClientJoinState");
+  *join_state = ClientJoinState::Connected;
+}
+
+fn say_hello(
+  mut client: UniqueViewMut<UdpClient>,
+) {
+  log::info!("Authenticating");
+  client.0.send(
+    postcard::to_allocvec(
+      &ClientToServerMessage::ClientHello {
+        username: "Sbeve".into(),
+        password: None
+      }
+    ).unwrap().into_boxed_slice(),
+    0,
+    uflow::SendMode::Reliable
+  );
+}
+
+fn check_server_hello_response(
+  network_events: View<NetworkEvent>,
+  mut join_state: UniqueViewMut<ClientJoinState>
+) {
+  for event in network_events.iter() {
+    let ClientEvent::Receive(data) = &event.0 else {
+      continue
+    };
+    if !event.is_message_of_type::<S_SERVER_HELLO>() {
+      continue
+    }
+    let Ok(parsed_message) = postcard::from_bytes(data) else {
+      log::error!("Malformed message");
+      continue
+    };
+    let ServerToClientMessage::ServerHello { init } = parsed_message else {
+      unreachable!()
+    };
+    //TODO handle init data
+    *join_state = ClientJoinState::Joined;
+    log::info!("Joined the server!");
+    return;
+  }
+}
+
+pub fn update_networking() -> Workload {
+  (
+    connect_client.run_if_missing_unique::<UdpClient>(),
+    poll_client,
+    (
+      set_client_join_state_to_connected,
+      say_hello,
+    ).into_workload().run_if(if_just_connected),
+    (
+      check_server_hello_response,
+    ).into_workload().run_if(is_join_state::<{ClientJoinState::Connected as u8}>)
+  ).into_sequential_workload() //HACK Weird issues with shipyard removed
+}
+
+pub fn disconnect_on_exit(
+  control_flow: UniqueView<SetControlFlow>,
+  mut client: UniqueViewMut<UdpClient>,
+) {
+  if let Some(ControlFlow::ExitWithCode(_)) = control_flow.0 {
+    if client.0.is_active() {
+      client.0.flush();
+      client.0.disconnect();
+      while client.0.is_active() { client.0.step().for_each(|_|()); }
+      log::info!("Client disconnected");
+    } else {
+      log::info!("Client inactive")
+    }
+    // if let Err(error) = client.0. {
+    //   log::error!("failed to disconnect: {}", error);
+    // } else {
+    //   log::info!("Client disconnected");
+    // }
+  }
+}
+
+// conditions
+
+fn if_just_connected(
+  network_events: View<NetworkEvent>,
+) -> bool {
+  network_events.iter().any(|event| matches!(&event.0, ClientEvent::Connect))
+}
+
+fn is_join_state<const STATE: u8>(
+  join_state: UniqueView<ClientJoinState>
+) -> bool {
+  (*join_state as u8) == STATE
+}
+
+pub fn is_multiplayer(
+  game_type: UniqueView<GameType>
+) -> bool {
+  *game_type == GameType::Muliplayer
+}
+
+pub fn is_singleplayer(
+  game_type: UniqueView<GameType>
+) -> bool {
+  *game_type == GameType::Singleplayer
+}

kubi/src/player.rs

@@ -1,13 +1,12 @@
-use shipyard::{Component, AllStoragesViewMut};
+use shipyard::{Component, AllStoragesViewMut, View, IntoIter};
 use crate::{
   transform::Transform,
   camera::Camera, 
   fly_controller::FlyController, 
   world::raycast::LookingAtBlock, 
+  block_placement::PlayerHolding,
 };
-
+pub use kubi_shared::player::Player;
-#[derive(Component)]
-pub struct Player;
 
 #[derive(Component)]
 pub struct MainPlayer;
@@ -16,12 +15,13 @@ pub fn spawn_player (
   mut storages: AllStoragesViewMut
 ) {
   log::info!("spawning player");
-  storages.add_entity((
+  let entity_id = storages.add_entity((
     Player,
     MainPlayer,
     Transform::default(),
     Camera::default(),
     FlyController,
     LookingAtBlock::default(),
+    PlayerHolding::default(),
   ));
 }

kubi/src/prefabs.rs

@@ -1,6 +1,6 @@
 use shipyard::{NonSendSync, UniqueView, Unique, AllStoragesView};
 use glium::{texture::{SrgbTexture2dArray, MipmapsOption}, Program};
-use strum::EnumIter;
+use kubi_shared::block::{Block, BlockTexture};
 use crate::rendering::Renderer;
 
 mod texture;
@@ -13,23 +13,6 @@ pub trait AssetPaths {
   fn file_name(self) -> &'static str;
 }
 
-#[derive(Clone, Copy, Debug, EnumIter)]
-#[repr(u8)]
-pub enum BlockTexture {
-  Stone         = 0,
-  Dirt          = 1,
-  GrassTop      = 2,
-  GrassSide     = 3,
-  Sand          = 4,
-  Bedrock       = 5,
-  Wood          = 6,
-  WoodTop       = 7,
-  Leaf          = 8,
-  Torch         = 9,
-  TallGrass     = 10,
-  Snow          = 11,
-  GrassSideSnow = 12,
-}
 impl AssetPaths for BlockTexture {
   fn file_name(self) -> &'static str {
     match self {
@@ -46,6 +29,9 @@ impl AssetPaths for BlockTexture {
       Self::TallGrass     => "tall_grass.png",
       Self::Snow          => "snow.png",
       Self::GrassSideSnow => "grass_side_snow.png",
+      Self::Cobblestone   => "cobblestone.png",
+      Self::Planks        => "planks.png",
+      Self::WaterSolid    => "solid_water.png",
     }
   }
 }
@@ -60,7 +46,10 @@ pub struct ChunkShaderPrefab(pub Program);
 pub struct SelBoxShaderPrefab(pub Program);
 
 #[derive(Unique)]
-pub struct BasicColoredShaderPrefab(pub Program);
+pub struct ColoredShaderPrefab(pub Program);
+
+#[derive(Unique)]
+pub struct ProgressbarShaderPrefab(pub Program);
 
 pub fn load_prefabs(
   storages: AllStoragesView,
@@ -92,7 +81,7 @@ pub fn load_prefabs(
       &renderer.display
     )
   ));
-  storages.add_unique_non_send_sync(BasicColoredShaderPrefab(
+  storages.add_unique_non_send_sync(ColoredShaderPrefab(
     include_shader_prefab!(
       "colored",
       "../shaders/colored.vert",
@@ -100,4 +89,12 @@ pub fn load_prefabs(
       &renderer.display
     )
   ));
+  storages.add_unique_non_send_sync(ProgressbarShaderPrefab(
+    include_shader_prefab!(
+      "gui/progressbar",
+      "../shaders/gui/progressbar.vert",
+      "../shaders/gui/progressbar.frag",
+      &renderer.display
+    )
+  ));
 }

kubi/src/rendering.rs

@@ -0,0 +1,79 @@
+use shipyard::{Unique, NonSendSync, UniqueView, UniqueViewMut, View, IntoIter, AllStoragesView};
+use glium::{
+  Display, Surface, 
+  Version, Api,
+  glutin::{
+    event_loop::EventLoop, 
+    window::WindowBuilder, 
+    ContextBuilder, GlProfile
+  }, 
+};
+use glam::{Vec3, UVec2};
+use crate::events::WindowResizedEvent;
+
+pub mod primitives;
+pub mod world;
+pub mod selection_box;
+
+#[derive(Unique)]
+pub struct RenderTarget(pub glium::Frame);
+
+#[derive(Unique)]
+pub struct BackgroundColor(pub Vec3);
+
+#[derive(Unique, Clone, Copy)]
+pub struct WindowSize(pub UVec2);
+
+#[derive(Unique)]
+pub struct Renderer {
+  pub display: Display
+}
+impl Renderer {
+  pub fn init(event_loop: &EventLoop<()>) -> Self {
+    log::info!("initializing display");
+    let wb = WindowBuilder::new()
+      .with_title("uwu")
+      .with_maximized(true);
+    let cb = ContextBuilder::new()
+      .with_depth_buffer(24)
+      .with_gl_profile(GlProfile::Core);
+    let display = Display::new(wb, cb, event_loop)
+      .expect("Failed to create a glium Display");
+    log::info!("Renderer: {}", display.get_opengl_renderer_string());
+    log::info!("OpenGL {}", display.get_opengl_version_string());
+    log::info!("Supports GLES {:?}", display.get_supported_glsl_version());
+    assert!(display.is_glsl_version_supported(&Version(Api::GlEs, 3, 0)), "GLES 3.0 is not supported");
+    Self { display }
+  }
+}
+
+pub fn clear_background(
+  mut target: NonSendSync<UniqueViewMut<RenderTarget>>, 
+  color: UniqueView<BackgroundColor>,
+) {
+  target.0.clear_color_srgb_and_depth((color.0.x, color.0.y, color.0.z, 1.), 1.);
+}
+
+//not sure if this belongs here
+
+pub fn init_window_size(
+  storages: AllStoragesView,
+) {
+  let size = storages.borrow::<View<WindowResizedEvent>>().unwrap().iter().next().unwrap().0;
+  storages.add_unique(WindowSize(size))
+}
+
+pub fn update_window_size(
+  mut win_size: UniqueViewMut<WindowSize>,
+  resize: View<WindowResizedEvent>,
+) {
+  if let Some(resize) = resize.iter().next() {
+    win_size.0 = resize.0;
+  }
+}
+
+pub fn if_resized (
+  resize: View<WindowResizedEvent>,
+) -> bool {
+  resize.len() > 0
+}

kubi/src/rendering/primitives.rs

@@ -0,0 +1,27 @@
+use shipyard::{Workload, IntoWorkload};
+use glium::implement_vertex;
+
+pub mod cube;
+pub mod rect;
+
+use cube::init_cube_primitive;
+use rect::init_rect_primitive;
+
+#[derive(Clone, Copy, Default)]
+pub struct PositionOnlyVertex {
+  pub position: [f32; 3],
+}
+implement_vertex!(PositionOnlyVertex, position);
+
+#[derive(Clone, Copy, Default)]
+pub struct PositionOnlyVertex2d {
+  pub position: [f32; 2],
+}
+implement_vertex!(PositionOnlyVertex2d, position);
+
+pub fn init_primitives() -> Workload {
+  (
+    init_cube_primitive,
+    init_rect_primitive,
+  ).into_workload()
+}

kubi/src/rendering/primitives/cube.rs

@@ -0,0 +1,56 @@
+use shipyard::{AllStoragesView, NonSendSync, UniqueView, Unique};
+use glium::{VertexBuffer, IndexBuffer, index::PrimitiveType};
+use crate::rendering::Renderer;
+use super::PositionOnlyVertex;
+
+#[derive(Unique)]
+pub struct CubePrimitive(pub VertexBuffer<PositionOnlyVertex>, pub IndexBuffer<u16>);
+
+const CUBE_VERTICES: &[PositionOnlyVertex] = &[
+  // front
+  PositionOnlyVertex { position: [0.0, 0.0, 1.0] },
+  PositionOnlyVertex { position: [1.0, 0.0, 1.0] },
+  PositionOnlyVertex { position: [1.0, 1.0, 1.0] },
+  PositionOnlyVertex { position: [0.0, 1.0, 1.0] },
+  // back
+  PositionOnlyVertex { position: [0.0, 0.0, 0.0] },
+  PositionOnlyVertex { position: [1.0, 0.0, 0.0] },
+  PositionOnlyVertex { position: [1.0, 1.0, 0.0] },
+  PositionOnlyVertex { position: [0.0, 1.0, 0.0] },
+];
+const CUBE_INDICES: &[u16] = &[
+  // front
+  0, 1, 2,
+  2, 3, 0,
+  // right
+  1, 5, 6,
+  6, 2, 1,
+  // back
+  7, 6, 5,
+  5, 4, 7,
+  // left
+  4, 0, 3,
+  3, 7, 4,
+  // bottom
+  4, 5, 1,
+  1, 0, 4,
+  // top
+  3, 2, 6,
+  6, 7, 3
+];
+
+pub(super) fn init_cube_primitive(
+  storages: AllStoragesView,
+  display: NonSendSync<UniqueView<Renderer>>
+) {
+  let vert = VertexBuffer::new(
+    &display.display,
+    CUBE_VERTICES
+  ).unwrap();
+  let index = IndexBuffer::new(
+    &display.display,
+    PrimitiveType::TrianglesList, 
+    CUBE_INDICES
+  ).unwrap();
+  storages.add_unique_non_send_sync(CubePrimitive(vert, index));
+}

kubi/src/rendering/primitives/rect.rs

@@ -0,0 +1,31 @@
+use shipyard::{Unique, AllStoragesView, NonSendSync, UniqueView};
+use glium::{VertexBuffer, IndexBuffer, index::PrimitiveType};
+use crate::rendering::Renderer;
+use super::PositionOnlyVertex2d;
+
+#[derive(Unique)]
+pub struct RectPrimitive(pub VertexBuffer<PositionOnlyVertex2d>, pub IndexBuffer<u16>);
+
+const RECT_VERTEX: &[PositionOnlyVertex2d] = &[
+  PositionOnlyVertex2d { position: [0., 0.] },
+  PositionOnlyVertex2d { position: [1., 0.] },
+  PositionOnlyVertex2d { position: [0., 1.] },
+  PositionOnlyVertex2d { position: [1., 1.] },
+];
+const RECT_INDEX: &[u16] = &[0, 1, 2, 1, 3, 2];
+
+pub(super) fn init_rect_primitive(
+  storages: AllStoragesView,
+  display: NonSendSync<UniqueView<Renderer>>
+) {
+  let vert = VertexBuffer::new(
+    &display.display,
+    RECT_VERTEX
+  ).unwrap();
+  let index = IndexBuffer::new(
+    &display.display,
+    PrimitiveType::TrianglesList, 
+    RECT_INDEX
+  ).unwrap();
+  storages.add_unique_non_send_sync(RectPrimitive(vert, index));
+}

kubi/src/rendering/selection_box.rs

@@ -12,7 +12,7 @@ use crate::{
 };
 use super::{
   RenderTarget, 
-  primitives::SimpleBoxBuffers,
+  primitives::cube::CubePrimitive,
 };
 
 pub fn render_selection_box(
@@ -20,7 +20,7 @@ pub fn render_selection_box(
   camera: View<Camera>,
   mut target: NonSendSync<UniqueViewMut<RenderTarget>>, 
   program: NonSendSync<UniqueView<SelBoxShaderPrefab>>,
-  buffers: NonSendSync<UniqueView<SimpleBoxBuffers>>,
+  buffers: NonSendSync<UniqueView<CubePrimitive>>,
 ) {
   let camera = camera.iter().next().unwrap();
   let Some(lookat) = lookat.iter().next() else { return };

kubi/src/rendering/world.rs

@@ -1,5 +1,5 @@
 use glam::{Vec3, Mat4, Quat, ivec3};
-use shipyard::{NonSendSync, UniqueView, UniqueViewMut, View, IntoIter};
+use shipyard::{NonSendSync, UniqueView, UniqueViewMut, View, IntoIter, track};
 use glium::{
   implement_vertex, uniform,
   Surface, DrawParameters, 
@@ -24,7 +24,7 @@ use crate::{
   prefabs::{
     ChunkShaderPrefab,
     BlockTexturesPrefab, 
-    BasicColoredShaderPrefab,
+    ColoredShaderPrefab,
   },
   world::{
     ChunkStorage, 
@@ -32,9 +32,10 @@ use crate::{
     chunk::CHUNK_SIZE,
   }, settings::GameSettings,
 };
-use super::{RenderTarget, primitives::SimpleBoxBuffers};
+use super::{RenderTarget, primitives::cube::CubePrimitive};
 
 #[derive(Clone, Copy)]
+#[repr(C)]
 pub struct ChunkVertex {
   pub position: [f32; 3],
   pub normal: [f32; 3],
@@ -43,7 +44,6 @@ pub struct ChunkVertex {
 }
 implement_vertex!(ChunkVertex, position, normal, uv, tex_index);
 
-
 pub fn draw_world(
   mut target: NonSendSync<UniqueViewMut<RenderTarget>>, 
   chunks: UniqueView<ChunkStorage>,
@@ -109,13 +109,12 @@ pub fn draw_world(
   }
 }
 
-//this doesn't use culling!
 pub fn draw_current_chunk_border(
   mut target: NonSendSync<UniqueViewMut<RenderTarget>>, 
   player: View<MainPlayer>,
-  transforms: View<Transform>,
+  transforms: View<Transform, { track::All }>,
-  buffers: NonSendSync<UniqueView<SimpleBoxBuffers>>,
+  buffers: NonSendSync<UniqueView<CubePrimitive>>,
-  program: NonSendSync<UniqueView<BasicColoredShaderPrefab>>,
+  program: NonSendSync<UniqueView<ColoredShaderPrefab>>,
   camera: View<Camera>,
   settings: UniqueView<GameSettings>,
 ) {

kubi/src/settings.rs

@@ -10,7 +10,7 @@ pub struct GameSettings {
 impl Default for GameSettings {
   fn default() -> Self {
     Self {
-      render_distance: 5,
+      render_distance: 6,
       mouse_sensitivity: 1.,
       debug_draw_current_chunk_border: cfg!(debug_assertions),
     }

kubi/src/state.rs

@@ -0,0 +1,58 @@
+use shipyard::{Unique, UniqueView, UniqueViewMut, AllStoragesView};
+use std::mem::take;
+
+#[derive(Unique, PartialEq, Eq, Default, Clone, Copy)]
+pub enum GameState {
+  #[default]
+  Initial,
+  Connecting,
+  LoadingWorld,
+  InGame
+}
+
+#[derive(Unique, PartialEq, Eq, Default, Clone, Copy)]
+pub struct NextState(pub Option<GameState>);
+
+pub fn init_state(
+  all_storages: AllStoragesView,
+) {
+  all_storages.add_unique(GameState::default());
+  all_storages.add_unique(NextState::default());
+}
+
+pub fn update_state(
+  mut state: UniqueViewMut<GameState>,
+  mut next: UniqueViewMut<NextState>,
+) {
+  *state = take(&mut next.0).unwrap_or(*state);
+}
+
+pub fn is_changing_state(
+  state: UniqueView<NextState>
+) -> bool {
+  state.0.is_some()
+}
+
+pub fn is_connecting(
+  state: UniqueView<GameState>
+) -> bool {
+  *state == GameState::Connecting
+}
+
+pub fn is_ingame(
+  state: UniqueView<GameState>
+) -> bool {
+  *state == GameState::InGame
+}
+
+pub fn is_loading(
+  state: UniqueView<GameState>
+) -> bool {
+  matches!(*state, GameState::LoadingWorld)
+}
+
+pub fn is_ingame_or_loading(
+  state: UniqueView<GameState>
+) -> bool {
+  matches!(*state, GameState::InGame | GameState::LoadingWorld)
+}

kubi/src/world.rs

@@ -4,25 +4,21 @@ use glam::IVec3;
 use hashbrown::HashMap;
 use anyhow::{Result, Context};
 
+pub use kubi_shared::{worldgen, block::Block};
+
 pub mod chunk;
-pub mod block;
 pub mod tasks;
 pub mod loading;
 pub mod mesh;
 pub mod neighbors;
-pub mod worldgen;
 pub mod raycast;
+pub mod queue;
 
-use chunk::{Chunk, ChunkMesh};
+use chunk::{Chunk, ChunkMesh, CHUNK_SIZE};
 use tasks::ChunkTaskManager;
-
+use queue::BlockUpdateQueue;
-use self::{chunk::CHUNK_SIZE, block::Block};
-
-//TODO separate world struct for render data
-// because this is not send-sync
 
 #[derive(Default, Unique)]
-#[track(Modification)]
 pub struct ChunkStorage {
   pub chunks: HashMap<IVec3, Chunk>
 }
@@ -109,4 +105,5 @@ pub fn init_game_world(
   storages.add_unique_non_send_sync(ChunkMeshStorage::new());
   storages.add_unique(ChunkStorage::new());
   storages.add_unique(ChunkTaskManager::new());
+  storages.add_unique(BlockUpdateQueue::new());
 }

kubi/src/world/chunk.rs

@@ -1,11 +1,8 @@
 use glam::IVec3;
 use glium::{VertexBuffer, IndexBuffer};
-use super::block::Block;
 use crate::rendering::world::ChunkVertex;
 
-pub const CHUNK_SIZE: usize = 32;
+pub use kubi_shared::chunk::{CHUNK_SIZE, BlockData};
-
-pub type BlockData = Box<[[[Block; CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE]>;
 
 pub struct ChunkData {
   pub blocks: BlockData,
@@ -42,6 +39,13 @@ pub enum DesiredChunkState {
   Rendered,
   ToUnload,
 }
+impl DesiredChunkState {
+  pub fn matches_current(self, current: CurrentChunkState) -> bool {
+    (matches!(self, DesiredChunkState::Nothing)  && matches!(current, CurrentChunkState::Nothing)) ||
+    (matches!(self, DesiredChunkState::Loaded)   && matches!(current, CurrentChunkState::Loaded)) ||
+    (matches!(self, DesiredChunkState::Rendered) && matches!(current, CurrentChunkState::Rendered))
+  }
+}
 
 pub struct Chunk {
   pub position: IVec3,
@@ -49,7 +53,7 @@ pub struct Chunk {
   pub mesh_index: Option<usize>,
   pub current_state: CurrentChunkState,
   pub desired_state: DesiredChunkState,
-  pub dirty: bool,
+  pub mesh_dirty: bool,
 }
 impl Chunk {
   pub fn new(position: IVec3) -> Self {
@@ -59,7 +63,7 @@ impl Chunk {
       mesh_index: None,
       current_state: Default::default(),
       desired_state: Default::default(),
-      dirty: false,
+      mesh_dirty: false,
     }
   }
 }

kubi/src/world/loading.rs

@@ -1,20 +1,26 @@
 use glam::{IVec3, ivec3};
 use glium::{VertexBuffer, IndexBuffer, index::PrimitiveType};
-use shipyard::{View, UniqueView, UniqueViewMut, IntoIter, Workload, IntoWorkload, NonSendSync};
+use kubi_shared::networking::messages::ClientToServerMessage;
+use shipyard::{View, UniqueView, UniqueViewMut, IntoIter, Workload, IntoWorkload, NonSendSync, track};
+use kubi_shared::queue::QueuedBlock;
+use uflow::SendMode;
 use crate::{
   player::MainPlayer,
   transform::Transform,
   settings::GameSettings,
-  rendering::Renderer
+  rendering::Renderer, 
+  state::GameState, 
+  networking::UdpClient,
 };
 use super::{
   ChunkStorage, ChunkMeshStorage,
   chunk::{Chunk, DesiredChunkState, CHUNK_SIZE, ChunkMesh, CurrentChunkState, ChunkData},
   tasks::{ChunkTaskManager, ChunkTaskResponse, ChunkTask}, 
+  queue::BlockUpdateQueue
 };
 
-//todo limit task starts insted
+const MAX_CHUNK_OPS_INGAME: usize = 6;
-const MAX_CHUNK_OPS: usize = 8;
+const MAX_CHUNK_OPS: usize = 32;
 
 pub fn update_loaded_world_around_player() -> Workload {
   (
@@ -28,11 +34,11 @@ pub fn update_loaded_world_around_player() -> Workload {
 pub fn update_chunks_if_player_moved(
   v_settings: UniqueView<GameSettings>,
   v_local_player: View<MainPlayer>,
-  v_transform: View<Transform>,
+  v_transform: View<Transform, { track::All }>,
   mut vm_world: UniqueViewMut<ChunkStorage>,
 ) {
   //Check if the player actually moved 
-  //TODO fix this also triggers on rotation, only activate when the player crosses the chnk border
+  //TODO fix this also triggers on rotation, only activate when the player crosses the chunk border
   let Some((_, transform)) = (&v_local_player, v_transform.inserted_or_modified()).iter().next() else {
     return
   };
@@ -116,6 +122,7 @@ fn unload_downgrade_chunks(
 
 fn start_required_tasks(
   task_manager: UniqueView<ChunkTaskManager>,
+  mut udp_client: Option<UniqueViewMut<UdpClient>>,
   mut world: UniqueViewMut<ChunkStorage>,
 ) {
   if !world.is_modified() {
@@ -128,17 +135,27 @@ fn start_required_tasks(
     match chunk.desired_state {
       DesiredChunkState::Loaded | DesiredChunkState::Rendered if chunk.current_state == CurrentChunkState::Nothing => {
         //start load task
+        if let Some(client) = &mut udp_client {
+          client.0.send(
+            postcard::to_allocvec(&ClientToServerMessage::ChunkSubRequest {
+              chunk: position.to_array()
+            }).unwrap().into_boxed_slice(),
+            0,
+            SendMode::Reliable
+          );
+        } else {
           task_manager.spawn_task(ChunkTask::LoadChunk {
             seed: 0xbeef_face_dead_cafe,
             position
           });
+        }
         //Update chunk state
         let chunk = world.chunks.get_mut(&position).unwrap();
         chunk.current_state = CurrentChunkState::Loading;
         // ===========
         //log::trace!("Started loading chunk {position}");
       },
-      DesiredChunkState::Rendered if (chunk.current_state == CurrentChunkState::Loaded || chunk.dirty) => {
+      DesiredChunkState::Rendered if (chunk.current_state == CurrentChunkState::Loaded || chunk.mesh_dirty) => {
         //get needed data
         let Some(neighbors) = world.neighbors_all(position) else {
           continue
@@ -150,12 +167,12 @@ fn start_required_tasks(
         task_manager.spawn_task(ChunkTask::GenerateMesh { data, position });
         //Update chunk state
         let chunk = world.chunks.get_mut(&position).unwrap();
-        if chunk.dirty {
+        if chunk.mesh_dirty {
           chunk.current_state = CurrentChunkState::RecalculatingMesh;
         } else {
           chunk.current_state = CurrentChunkState::CalculatingMesh;
         }
-        chunk.dirty = false;
+        chunk.mesh_dirty = false;
         // ===========
         //log::trace!("Started generating mesh for chunk {position}");
       }
@@ -168,12 +185,14 @@ fn process_completed_tasks(
   task_manager: UniqueView<ChunkTaskManager>,
   mut world: UniqueViewMut<ChunkStorage>,
   mut meshes: NonSendSync<UniqueViewMut<ChunkMeshStorage>>,
-  renderer: NonSendSync<UniqueView<Renderer>>
+  renderer: NonSendSync<UniqueView<Renderer>>,
+  state: UniqueView<GameState>,
+  mut queue: UniqueViewMut<BlockUpdateQueue>,
 ) {
-  for _ in 0..MAX_CHUNK_OPS {
+  let mut ops: usize = 0;
-    if let Some(res) = task_manager.receive() {
+  while let Some(res) = task_manager.receive() {
     match res {
-        ChunkTaskResponse::LoadedChunk { position, chunk_data } => {
+      ChunkTaskResponse::LoadedChunk { position, chunk_data, queued } => {
         //check if chunk exists
         let Some(chunk) = world.chunks.get_mut(&position) else {
           log::warn!("blocks data discarded: chunk doesn't exist");
@@ -193,6 +212,15 @@ fn process_completed_tasks(
 
         //update chunk state
         chunk.current_state = CurrentChunkState::Loaded;
+
+        //push queued blocks
+        //TODO use extend
+        for item in queued {
+          queue.push(item);
+        }
+
+        //increase ops counter
+        ops += 1;
       },
       ChunkTaskResponse::GeneratedMesh { position, vertices, indexes } => {
         //check if chunk exists
@@ -223,8 +251,14 @@ fn process_completed_tasks(
 
         //update chunk state
         chunk.current_state = CurrentChunkState::Rendered;
+
+        //increase ops counter
+        ops += 1;
       }
     }
-    }
+    if ops >= match *state {
+      GameState::InGame => MAX_CHUNK_OPS_INGAME,
+      _ => MAX_CHUNK_OPS,
+    } { break }
   }
 }

kubi/src/world/mesh.rs

@@ -0,0 +1,92 @@
+use glam::{IVec3, ivec3};
+use strum::IntoEnumIterator;
+use kubi_shared::block::{Block, RenderType};
+use crate::world::chunk::CHUNK_SIZE;
+use crate::rendering::world::ChunkVertex;
+
+pub mod data;
+mod builder;
+
+use data::MeshGenData;
+use builder::{MeshBuilder, CubeFace, DiagonalFace};
+
+pub fn generate_mesh(data: MeshGenData) -> (Vec<ChunkVertex>, Vec<u32>) {
+  let get_block = |pos: IVec3| -> Block {
+    if pos.x < 0 {
+      data.block_data_neg_x[(CHUNK_SIZE as i32 + pos.x) as usize][pos.y as usize][pos.z as usize]
+    } else if pos.x >= CHUNK_SIZE as i32 {
+      data.block_data_pos_x[pos.x as usize - CHUNK_SIZE][pos.y as usize][pos.z as usize]
+    } else if pos.y < 0 {
+      data.block_data_neg_y[pos.x as usize][(CHUNK_SIZE as i32 + pos.y) as usize][pos.z as usize]
+    } else if pos.y >= CHUNK_SIZE as i32 {
+      data.block_data_pos_y[pos.x as usize][pos.y as usize - CHUNK_SIZE][pos.z as usize]
+    } else if pos.z < 0 {
+      data.block_data_neg_z[pos.x as usize][pos.y as usize][(CHUNK_SIZE as i32 + pos.z) as usize]
+    } else if pos.z >= CHUNK_SIZE as i32 {
+      data.block_data_pos_z[pos.x as usize][pos.y as usize][pos.z as usize - CHUNK_SIZE]
+    } else {
+      data.block_data[pos.x as usize][pos.y as usize][pos.z as usize]
+    }
+  };
+
+  let mut builder = MeshBuilder::new();
+
+  for x in 0..CHUNK_SIZE as i32 {
+    for y in 0..CHUNK_SIZE as i32 {
+      for z in 0..CHUNK_SIZE as i32 {
+        let coord = ivec3(x, y, z);
+        let block = get_block(coord);
+        let descriptor = block.descriptor();
+        match descriptor.render {
+          RenderType::None => continue,
+          RenderType::SolidBlock(textures) | RenderType::BinaryTransparency(textures) => {
+            for face in CubeFace::iter() {
+              let facing_direction = face.normal();
+              let facing_coord = coord + facing_direction;
+              let facing_block = get_block(facing_coord);
+              let facing_descriptor = facing_block.descriptor();
+              let face_obstructed = match descriptor.render {
+                RenderType::SolidBlock(_) => matches!(facing_descriptor.render, RenderType::SolidBlock(_)),
+                RenderType::BinaryTransparency(_) => {
+                  match facing_descriptor.render {
+                    RenderType::SolidBlock(_) => true,
+                    RenderType::BinaryTransparency(_) => block == facing_block,
+                    _ => false,
+                  }
+                },
+                _ => unreachable!(),
+              };
+              if !face_obstructed {
+                let face_texture = match face {
+                  CubeFace::Top    => textures.top,
+                  CubeFace::Front  => textures.front,
+                  CubeFace::Left   => textures.left,
+                  CubeFace::Right  => textures.right,
+                  CubeFace::Back   => textures.back,
+                  CubeFace::Bottom => textures.bottom,
+                };
+                builder.add_face(face, coord, face_texture as u8);
+              }
+            }
+          },
+          RenderType::CrossShape(textures) => {
+            builder.add_diagonal_face(
+              coord, 
+              DiagonalFace::LeftZ, 
+              textures.0.front as u8, 
+              textures.0.back as u8
+            );
+            builder.add_diagonal_face(
+              coord, 
+              DiagonalFace::RigthZ, 
+              textures.1.front as u8, 
+              textures.1.back as u8
+            );
+          },
+        }
+      }
+    }
+  }
+
+  builder.finish()
+}

kubi/src/world/mesh/builder.rs

@@ -0,0 +1,177 @@
+use strum::EnumIter;
+use glam::{Vec3, vec3, IVec3, ivec3};
+use crate::rendering::world::ChunkVertex;
+
+const INV_SQRT_2: f32 = 0.70710678118655; // 1 / 2.sqrt()
+
+#[repr(usize)]
+#[derive(Clone, Copy, Debug, EnumIter)]
+pub enum CubeFace {
+  Top    = 0,
+  Front  = 4,
+  Left   = 2,
+  Right  = 3,
+  Back   = 1,
+  Bottom = 5,
+}
+impl CubeFace {
+  pub const fn normal(self) -> IVec3 {
+    CUBE_FACE_NORMALS_IVEC3[self as usize]
+  }
+}
+
+const CUBE_FACE_VERTICES: [[Vec3; 4]; 6] = [
+  [vec3(0., 1., 0.), vec3(0., 1., 1.), vec3(1., 1., 0.), vec3(1., 1., 1.)],
+  [vec3(0., 0., 0.), vec3(0., 1., 0.), vec3(1., 0., 0.), vec3(1., 1., 0.)],
+  [vec3(0., 0., 1.), vec3(0., 1., 1.), vec3(0., 0., 0.), vec3(0., 1., 0.)],
+  [vec3(1., 0., 0.), vec3(1., 1., 0.), vec3(1., 0., 1.), vec3(1., 1., 1.)],
+  [vec3(1., 0., 1.), vec3(1., 1., 1.), vec3(0., 0., 1.), vec3(0., 1., 1.)],
+  [vec3(0., 0., 1.), vec3(0., 0., 0.), vec3(1., 0., 1.), vec3(1., 0., 0.)],
+];
+const CUBE_FACE_NORMALS_IVEC3: [IVec3; 6] = [ 
+  ivec3( 0,  1,  0),
+  ivec3( 0,  0, -1),
+  ivec3(-1,  0,  0),
+  ivec3( 1,  0,  0),
+  ivec3( 0,  0,  1),
+  ivec3( 0, -1,  0)
+];
+const CUBE_FACE_NORMALS: [Vec3; 6] = [ 
+  vec3(0., 1., 0.),
+  vec3(0., 0., -1.),
+  vec3(-1.,0., 0.),
+  vec3(1., 0., 0.),
+  vec3(0., 0., 1.),
+  vec3(0., -1.,0.)
+];
+const CUBE_FACE_INDICES: [u32; 6] = [0, 1, 2, 2, 1, 3];
+
+#[repr(usize)]
+pub enum DiagonalFace {
+  RigthZ = 0,
+  LeftZ  = 1,
+}
+const CROSS_FACES: [[Vec3; 4]; 2] = [
+  [
+    vec3(0., 0., 0.), 
+    vec3(0., 1., 0.), 
+    vec3(1., 0., 1.), 
+    vec3(1., 1., 1.),
+  ],
+  [
+    vec3(0., 0., 1.), 
+    vec3(0., 1., 1.), 
+    vec3(1., 0., 0.), 
+    vec3(1., 1., 0.),
+  ]
+];
+const CROSS_FACE_NORMALS: [Vec3; 2] = [
+  vec3(-INV_SQRT_2, 0., INV_SQRT_2),
+  vec3(INV_SQRT_2, 0., INV_SQRT_2),
+];
+const CROSS_FACE_NORMALS_BACK: [Vec3; 2] = [
+  vec3(INV_SQRT_2, 0., -INV_SQRT_2),
+  vec3(-INV_SQRT_2, 0., -INV_SQRT_2),
+];
+const CROSS_FACE_INDICES: [u32; 12] = [
+  0, 1, 2, 2, 1, 3, //Front side
+  6, 5, 4, 7, 5, 6, //Back side
+];
+
+
+const UV_COORDS: [[f32; 2]; 4] = [
+  [0., 0.],
+  [0., 1.],
+  [1., 0.],
+  [1., 1.],
+];
+
+#[derive(Default)]
+pub struct MeshBuilder {
+  vertex_buffer: Vec<ChunkVertex>,
+  index_buffer: Vec<u32>,
+  idx_counter: u32,
+}
+impl MeshBuilder {
+  pub fn new() -> Self {
+    Self::default()
+  }
+
+  pub fn add_face(&mut self, face: CubeFace, coord: IVec3, texture: u8) {
+    let coord = coord.as_vec3();
+    let face_index = face as usize;
+    
+    //Push vertices
+    let norm = CUBE_FACE_NORMALS[face_index];
+    let vert = CUBE_FACE_VERTICES[face_index];
+    self.vertex_buffer.reserve(4);
+    for i in 0..4 {
+      self.vertex_buffer.push(ChunkVertex {
+        position: (coord + vert[i]).to_array(),
+        normal: norm.to_array(),
+        uv: UV_COORDS[i], 
+        tex_index: texture
+      });
+    }
+
+    //Push indices
+    self.index_buffer.extend_from_slice(&CUBE_FACE_INDICES.map(|x| x + self.idx_counter));
+
+    //Increment idx counter
+    self.idx_counter += 4;
+  }
+
+  pub fn add_diagonal_face(&mut self, coord: IVec3, face_type: DiagonalFace, front_texture: u8, back_texture: u8) {
+    //Push vertices
+    let face_type = face_type as usize;
+    let vertices = CROSS_FACES[face_type];
+    let normal_front = CROSS_FACE_NORMALS[face_type].to_array();
+    let normal_back = CROSS_FACE_NORMALS_BACK[face_type].to_array();
+    self.vertex_buffer.reserve(8);
+    for i in 0..4 { //push front vertices
+      self.vertex_buffer.push(ChunkVertex {
+        position: (coord.as_vec3() + vertices[i]).to_array(),
+        normal: normal_front,
+        uv: UV_COORDS[i],
+        tex_index: front_texture
+      })
+    }
+    for i in 0..4 { //push back vertices
+      self.vertex_buffer.push(ChunkVertex {
+        position: (coord.as_vec3() + vertices[i]).to_array(),
+        normal: normal_back,
+        uv: UV_COORDS[i],
+        tex_index: back_texture
+      })
+    }
+
+    //Push indices
+    self.index_buffer.extend_from_slice(&CROSS_FACE_INDICES.map(|x| x + self.idx_counter));
+
+    //Increment idx counter
+    self.idx_counter += 8; 
+  }
+
+  pub fn add_model(&mut self, position: Vec3, vertices: &[ChunkVertex], indices: Option<&[u32]>) {
+    //push vertices
+    self.vertex_buffer.extend(vertices.iter().map(|vertex| {
+      let mut vertex = *vertex;
+      vertex.position[0] += position.x;
+      vertex.position[0] += position.y;
+      vertex.position[0] += position.z;
+      vertex
+    }));
+    //push indices
+    if let Some(indices) = indices {
+      self.index_buffer.extend(indices.iter().map(|x| x + self.idx_counter));
+    } else {
+      self.index_buffer.extend(0..(self.vertex_buffer.len() as u32));
+    }
+    //increment idx counter
+    self.idx_counter += vertices.len() as u32;
+  }
+
+  pub fn finish(self) -> (Vec<ChunkVertex>, Vec<u32>) {
+    (self.vertex_buffer, self.index_buffer)
+  }
+}

kubi/src/world/queue.rs

@@ -0,0 +1,57 @@
+use glam::{IVec3, ivec3};
+use kubi_shared::{block::Block, chunk::CHUNK_SIZE, queue::QueuedBlock};
+use shipyard::{UniqueViewMut, Unique};
+use super::ChunkStorage;
+
+#[derive(Unique, Default, Clone)]
+pub struct BlockUpdateQueue {
+  queue: Vec<QueuedBlock>
+}
+impl BlockUpdateQueue {
+  pub fn new() -> Self {
+    Self::default()
+  }
+  pub fn push(&mut self, event: QueuedBlock) {
+    self.queue.push(event)
+  }
+}
+
+pub fn apply_queued_blocks(
+  mut queue: UniqueViewMut<BlockUpdateQueue>,
+  mut world: UniqueViewMut<ChunkStorage>
+) {
+  //maybe i need to check for desired/current state here before marking as  dirty?
+  queue.queue.retain(|&event| {
+    if let Some(block) = world.get_block_mut(event.position) {
+      if event.soft && *block != Block::Air {
+        return false
+      }
+      *block = event.block_type;
+      //mark chunk as dirty
+      let (chunk_pos, block_pos) = ChunkStorage::to_chunk_coords(event.position);
+      let chunk = world.chunks.get_mut(&chunk_pos).expect("This error should never happen, if it does then something is super fucked up and the whole project needs to be burnt down.");
+      chunk.mesh_dirty = true;
+      //If block pos is close to the border, some neighbors may be dirty!
+      const DIRECTIONS: [IVec3; 6] = [
+        ivec3(1,  0,  0),
+        ivec3(-1, 0,  0),
+        ivec3(0,  1,  0),
+        ivec3(0, -1,  0),
+        ivec3(0,  0,  1),
+        ivec3(0,  0, -1),
+      ];
+      for direction in DIRECTIONS {
+        let outside_chunk = |x| !(0..CHUNK_SIZE as i32).contains(x);
+        let chunk_dirty = (block_pos + direction).to_array().iter().any(outside_chunk);
+        if chunk_dirty {
+          let dir_chunk_pos = chunk_pos + direction;
+          if let Some(dir_chunk) = world.chunks.get_mut(&dir_chunk_pos) {
+            dir_chunk.mesh_dirty = true;
+          }
+        }
+      }
+      return false
+    }
+    true
+  });
+}

kubi/src/world/raycast.rs

@@ -1,10 +1,10 @@
 use glam::{Vec3, IVec3};
-use shipyard::{View, Component, ViewMut, IntoIter, UniqueView};
+use shipyard::{View, Component, ViewMut, IntoIter, UniqueView, track};
+use kubi_shared::block::Block;
 use crate::transform::Transform;
+use super::ChunkStorage;
 
-use super::{ChunkStorage, block::Block};
+pub const RAYCAST_STEP: f32 = 0.25;
-
-const RAYCAST_STEP: f32 = 0.25;
 
 #[derive(Clone, Copy, Debug)]
 pub struct RaycastReport {
@@ -49,7 +49,7 @@ impl ChunkStorage {
 pub struct LookingAtBlock(pub Option<RaycastReport>);
 
 pub fn update_raycasts(
-  transform: View<Transform>,
+  transform: View<Transform, { track::All }>,
   mut raycast: ViewMut<LookingAtBlock>,
   world: UniqueView<ChunkStorage>,
 ) {
@@ -57,9 +57,9 @@ pub fn update_raycasts(
   if !(world.is_inserted_or_modified() || (transform.inserted_or_modified(), &raycast).iter().next().is_some()) {
     return
   }
-  for (transform, report) in (&transform, &mut raycast).iter() {
+  for (transform, mut report) in (&transform, &mut raycast).iter() {
     let (_, rotation, position) = transform.0.to_scale_rotation_translation();
-    let direction = (rotation * Vec3::NEG_Z).normalize();
+    let direction = (rotation.normalize() * Vec3::NEG_Z).normalize();
     *report = LookingAtBlock(world.raycast(position, direction, Some(30.)));
   }
 }

kubi/src/world/tasks.rs

@@ -0,0 +1,106 @@
+use flume::{Sender, Receiver};
+use glam::IVec3;
+use kubi_shared::{
+  networking::messages::{S_CHUNK_RESPONSE, ServerToClientMessage}, 
+  queue::QueuedBlock
+};
+use shipyard::{Unique, UniqueView, View, IntoIter};
+use rayon::{ThreadPool, ThreadPoolBuilder};
+use uflow::client::Event as ClientEvent;
+use super::{
+  chunk::BlockData,
+  mesh::{generate_mesh, data::MeshGenData},
+  worldgen::generate_world,
+};
+use crate::{
+  rendering::world::ChunkVertex, 
+  networking::NetworkEvent,
+};
+
+pub enum ChunkTask {
+  LoadChunk {
+    seed: u64,
+    position: IVec3
+  },
+  GenerateMesh {
+    position: IVec3,
+    data: MeshGenData
+  }
+}
+pub enum ChunkTaskResponse {
+  LoadedChunk {
+    position: IVec3,
+    chunk_data: BlockData,
+    queued: Vec<QueuedBlock>
+  },
+  GeneratedMesh {
+    position: IVec3,
+    vertices: Vec<ChunkVertex>,
+    indexes: Vec<u32>
+  },
+}
+
+#[derive(Unique)]
+pub struct ChunkTaskManager {
+  channel: (Sender<ChunkTaskResponse>, Receiver<ChunkTaskResponse>),
+  pool: ThreadPool,
+}
+impl ChunkTaskManager {
+  pub fn new() -> Self {
+    Self {
+      channel: flume::unbounded::<ChunkTaskResponse>(), //maybe put a bound or even bound(0)?
+      pool: ThreadPoolBuilder::new().num_threads(4).build().unwrap()
+    }
+  }
+  pub fn add_sussy_response(&self, response: ChunkTaskResponse) {
+    // this WILL get stuck if the channel is bounded
+    // don't make the channel bounded ever
+    self.channel.0.send(response).unwrap()
+  }
+  pub fn spawn_task(&self, task: ChunkTask) {
+    let sender = self.channel.0.clone();
+    self.pool.spawn(move || {
+      let _ = sender.send(match task {
+        ChunkTask::GenerateMesh { position, data } => {
+          let (vertices, indexes) = generate_mesh(data);
+          ChunkTaskResponse::GeneratedMesh { position, vertices, indexes }
+        },
+        ChunkTask::LoadChunk { position, seed } => {
+          let (chunk_data, queued) = generate_world(position, seed);
+          ChunkTaskResponse::LoadedChunk { position, chunk_data, queued }
+        }
+      });
+    });
+  }
+  pub fn receive(&self) -> Option<ChunkTaskResponse> {
+    self.channel.1.try_recv().ok()
+  }
+}
+
+//TODO get rid of this, this is awfulll
+pub fn inject_network_responses_into_manager_queue(
+  manager: UniqueView<ChunkTaskManager>,
+  events: View<NetworkEvent>
+) {
+  for event in events.iter() {
+    if event.is_message_of_type::<S_CHUNK_RESPONSE>() {
+      let NetworkEvent(ClientEvent::Receive(data)) = &event else { unreachable!() };
+      let ServerToClientMessage::ChunkResponse {
+        chunk, data, queued
+      } = postcard::from_bytes(data).expect("Chunk decode failed") else { unreachable!() };
+      manager.add_sussy_response(ChunkTaskResponse::LoadedChunk {
+        position: IVec3::from_array(chunk), 
+        chunk_data: data,
+        queued
+      });
+    }
+    // if let ClientEvent::MessageReceived(ServerToClientMessage::ChunkResponse { &chunk, data, queued }) = &event.0 {
+    //   let position = IVec3::from_array(chunk);
+    //   manager.add_sussy_response(ChunkTaskResponse::LoadedChunk {
+    //     position, 
+    //     chunk_data: data.clone(),
+    //     queued
+    //   });
+    // }
+  }
+}

shaders/selection_box.frag

@@ -1,9 +0,0 @@
-#version 150 core
-
-out vec4 color;
-uniform vec4 u_color;
-
-void main() {
-  color = u_color;
-  color -= vec4(0, 0, 0, 0.1 * sin(gl_FragCoord.x) * cos(gl_FragCoord.y));
-}

src/block_placement.rs

@@ -1,48 +0,0 @@
-use shipyard::{UniqueViewMut, UniqueView, View, IntoIter, ViewMut, EntitiesViewMut};
-use crate::{
-  player::MainPlayer, 
-  world::{raycast::LookingAtBlock, ChunkStorage, block::Block}, 
-  input::{Inputs, PrevInputs}, 
-  events::{EventComponent, player_actions::PlayerActionEvent},
-};
-
-pub fn block_placement_system(
-  main_player: View<MainPlayer>,
-  raycast: View<LookingAtBlock>,
-  input: UniqueView<Inputs>,
-  prev_input: UniqueView<PrevInputs>,
-  mut world: UniqueViewMut<ChunkStorage>,
-  mut entities: EntitiesViewMut,
-  mut events: ViewMut<EventComponent>,
-  mut player_events: ViewMut<PlayerActionEvent>,
-) {
-  let action_place = input.action_b && !prev_input.0.action_b;
-  let action_break = input.action_a && !prev_input.0.action_a;
-  if action_place ^ action_break {
-    //get raycast info
-    let Some(ray) = (&main_player, &raycast).iter().next().unwrap().1/**/.0 else { return };
-    //update block
-    let (place_position, place_block) = if action_place {
-      let position = (ray.position - ray.direction * 0.5).floor().as_ivec3();
-      let Some(block) = world.get_block_mut(position) else { return };
-      *block = Block::Dirt;
-      (position, *block)
-    } else {
-      let Some(block) = world.get_block_mut(ray.block_position) else { return };
-      *block = Block::Air;
-      (ray.block_position, *block)
-    };
-    //mark chunk as dirty
-    let (chunk_pos, _) = ChunkStorage::to_chunk_coords(place_position);
-    let chunk = world.chunks.get_mut(&chunk_pos).unwrap();
-    chunk.dirty = true;
-    //send event
-    entities.add_entity(
-      (&mut events, &mut player_events), 
-      (EventComponent, PlayerActionEvent::UpdatedBlock {
-        position: place_position,
-        block: place_block,
-      })
-    );
-  }
-}

src/camera/matrices.rs

@@ -1,42 +0,0 @@
-use glam::{Vec3, Mat4};
-use shipyard::{ViewMut, View, IntoIter, Workload, IntoWorkload};
-use crate::{transform::Transform, events::WindowResizedEvent};
-use super::Camera;
-
-//maybe parallelize these two?
-
-fn update_view_matrix(
-  mut vm_camera: ViewMut<Camera>,
-  v_transform: View<Transform>
-) {
-  for (camera, transform) in (&mut vm_camera, v_transform.inserted_or_modified()).iter() {
-    let (_, rotation, translation) = transform.0.to_scale_rotation_translation();
-    let direction = rotation * Vec3::NEG_Z;
-    camera.view_matrix = Mat4::look_to_rh(translation, direction, camera.up);
-  }
-}
-
-fn update_perspective_matrix(
-  mut vm_camera: ViewMut<Camera>,
-  resize: View<WindowResizedEvent>,
-) {
-  //TODO update on launch
-  let Some(&size) = resize.iter().next() else {
-    return
-  };
-  for camera in (&mut vm_camera).iter() {
-    camera.perspective_matrix = Mat4::perspective_rh_gl(
-      camera.fov, 
-      size.0.x as f32 / size.0.y as f32, 
-      camera.z_near,
-      camera.z_far, 
-    )
-  }
-}
-
-pub fn update_matrices() -> Workload {
-  (
-    update_view_matrix, 
-    update_perspective_matrix,
-  ).into_workload()
-}

src/input.rs

@@ -1,84 +0,0 @@
-use glam::{Vec2, DVec2};
-use glium::glutin::event::{DeviceEvent, VirtualKeyCode, ElementState};
-use hashbrown::HashSet;
-use nohash_hasher::BuildNoHashHasher;
-use shipyard::{AllStoragesView, Unique, View, IntoIter, UniqueViewMut, Workload, IntoWorkload, UniqueView};
-use crate::events::InputDeviceEvent;
-
-#[derive(Unique, Clone, Copy, Default, Debug)]
-pub struct Inputs {
-  pub movement: Vec2,
-  pub look: Vec2,
-  pub action_a: bool,
-  pub action_b: bool,
-}
-
-#[derive(Unique, Clone, Copy, Default, Debug)]
-pub struct PrevInputs(pub Inputs);
-
-#[derive(Unique, Clone, Default, Debug)]
-pub struct RawInputState {
-  pub keyboard_state: HashSet<VirtualKeyCode, BuildNoHashHasher<u32>>,
-  pub button_state: [bool; 32],
-  pub mouse_delta: DVec2
-}
-
-pub fn process_events(
-  device_events: View<InputDeviceEvent>,
-  mut input_state: UniqueViewMut<RawInputState>,
-) {
-  input_state.mouse_delta = DVec2::ZERO;
-  for event in device_events.iter() {
-    match event.event {
-      DeviceEvent::MouseMotion { delta } => {
-        input_state.mouse_delta = DVec2::from(delta);
-      },
-      DeviceEvent::Key(input) => {
-        if let Some(keycode) = input.virtual_keycode {
-          match input.state {
-            ElementState::Pressed  => input_state.keyboard_state.insert(keycode),
-            ElementState::Released => input_state.keyboard_state.remove(&keycode),
-          };
-        }
-      },
-      DeviceEvent::Button { button, state } => {
-        if button < 32 {
-          input_state.button_state[button as usize] = matches!(state, ElementState::Pressed);
-        }
-      },
-      _ => ()
-    }
-  }
-}
-
-pub fn update_input_states (
-  raw_inputs: UniqueView<RawInputState>,
-  mut inputs: UniqueViewMut<Inputs>,
-  mut prev_inputs: UniqueViewMut<PrevInputs>,
-) {
-  prev_inputs.0 = *inputs;
-  inputs.movement = Vec2::new(
-    raw_inputs.keyboard_state.contains(&VirtualKeyCode::D) as u32 as f32 -
-    raw_inputs.keyboard_state.contains(&VirtualKeyCode::A) as u32 as f32,
-    raw_inputs.keyboard_state.contains(&VirtualKeyCode::W) as u32 as f32 -
-    raw_inputs.keyboard_state.contains(&VirtualKeyCode::S) as u32 as f32
-  ).normalize_or_zero();
-  inputs.look = raw_inputs.mouse_delta.as_vec2();
-  inputs.action_a = raw_inputs.button_state[1];
-  inputs.action_b = raw_inputs.button_state[3];
-}
-
-pub fn init_input (
-  storages: AllStoragesView
-) {
-  storages.add_unique(Inputs::default());
-  storages.add_unique(PrevInputs::default());
-  storages.add_unique(RawInputState::default());
-}
-
-pub fn process_inputs() -> Workload {
-  (
-    process_events, 
-    update_input_states
-  ).into_workload()
-}

src/rendering.rs

@@ -1,46 +0,0 @@
-use shipyard::{Unique, NonSendSync, UniqueView, UniqueViewMut};
-use glium::{
-  Display, Surface,
-  glutin::{
-    event_loop::EventLoop, 
-    window::WindowBuilder, 
-    ContextBuilder, GlProfile
-  }, 
-};
-use glam::Vec3;
-
-pub mod primitives;
-pub mod world;
-pub mod selection_box;
-
-#[derive(Unique)]
-pub struct RenderTarget(pub glium::Frame);
-
-#[derive(Unique)]
-pub struct BackgroundColor(pub Vec3);
-
-#[derive(Unique)]
-pub struct Renderer {
-  pub display: Display
-}
-impl Renderer {
-  pub fn init(event_loop: &EventLoop<()>) -> Self {
-    log::info!("initializing display");
-    let wb = WindowBuilder::new()
-      .with_title("uwu")
-      .with_maximized(true);
-    let cb = ContextBuilder::new()
-      .with_depth_buffer(24)
-      .with_gl_profile(GlProfile::Core);
-    let display = Display::new(wb, cb, event_loop)
-      .expect("Failed to create a glium Display");
-    Self { display }
-  }
-}
-
-pub fn clear_background(
-  mut target: NonSendSync<UniqueViewMut<RenderTarget>>, 
-  color: UniqueView<BackgroundColor>,
-) {
-  target.0.clear_color_srgb_and_depth((color.0.x, color.0.y, color.0.z, 1.), 1.);
-}

src/rendering/primitives.rs

@@ -1,80 +0,0 @@
-use glium::{implement_vertex, VertexBuffer, IndexBuffer, index::PrimitiveType};
-use shipyard::{NonSendSync, UniqueView, AllStoragesView, Unique};
-use super::Renderer;
-
-pub const CUBE_VERTICES: &[f32] = &[
-  // front
-  0.0, 0.0, 1.0,
-  1.0, 0.0, 1.0,
-  1.0, 1.0, 1.0,
-  0.0, 1.0, 1.0,
-  // back
-  0.0, 0.0, 0.0,
-  1.0, 0.0, 0.0,
-  1.0, 1.0, 0.0,
-  0.0, 1.0, 0.0
-];
-pub const CUBE_INDICES: &[u16] = &[
-  // front
-  0, 1, 2,
-  2, 3, 0,
-  // right
-  1, 5, 6,
-  6, 2, 1,
-  // back
-  7, 6, 5,
-  5, 4, 7,
-  // left
-  4, 0, 3,
-  3, 7, 4,
-  // bottom
-  4, 5, 1,
-  1, 0, 4,
-  // top
-  3, 2, 6,
-  6, 7, 3
-];
-
-#[derive(Clone, Copy, Default)]
-pub struct PositionOnlyVertex {
-  pub position: [f32; 3],
-}
-implement_vertex!(PositionOnlyVertex, position);
-
-const fn box_vertices() -> [PositionOnlyVertex; CUBE_VERTICES.len() / 3] {
-  let mut arr = [PositionOnlyVertex { position: [0., 0., 0.] }; CUBE_VERTICES.len() / 3];
-  let mut ptr = 0;
-  loop {
-    arr[ptr] = PositionOnlyVertex {
-      position: [
-        CUBE_VERTICES[ptr * 3], 
-        CUBE_VERTICES[(ptr * 3) + 1], 
-        CUBE_VERTICES[(ptr * 3) + 2]
-      ]
-    };
-    ptr += 1;
-    if ptr >= CUBE_VERTICES.len() / 3 {
-      return arr
-    }
-  }
-}
-const BOX_VERTICES: &[PositionOnlyVertex] = &box_vertices();
-
-#[derive(Unique)]
-pub struct SimpleBoxBuffers(pub VertexBuffer<PositionOnlyVertex>, pub IndexBuffer<u16>);
-
-pub fn init_simple_box_buffers(
-  storages: AllStoragesView,
-  display: NonSendSync<UniqueView<Renderer>>
-) {
-  let vert = VertexBuffer::new(
-    &display.display,
-    BOX_VERTICES
-  ).unwrap();
-  let index = IndexBuffer::new(
-    &display.display,
-    PrimitiveType::TrianglesList, 
-    CUBE_INDICES
-  ).unwrap();
-  storages.add_unique_non_send_sync(SimpleBoxBuffers(vert, index));
-}

src/transform.rs

@@ -1,6 +0,0 @@
-use shipyard::Component;
-use glam::Mat4;
-
-#[derive(Component, Clone, Copy, Debug, Default)]
-#[track(All)]
-pub struct Transform(pub Mat4);

src/world/block.rs

@@ -1,105 +0,0 @@
-use strum::EnumIter;
-use crate::prefabs::BlockTexture;
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, EnumIter)]
-#[repr(u8)]
-pub enum Block {
-  Air,
-  Stone,
-  Dirt,
-  Grass,
-  Sand,
-}
-impl Block {
-  pub const fn descriptor(self) -> BlockDescriptor {
-    match self {
-      Self::Air => BlockDescriptor {
-        name: "air",
-        render: RenderType::None,
-        collision: CollisionType::None,
-        raycast_collision: false,
-      },
-      Self::Stone => BlockDescriptor { 
-        name: "stone", 
-        render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Stone)), 
-        collision: CollisionType::Solid, 
-        raycast_collision: true, 
-      },
-      Self::Dirt => BlockDescriptor { 
-        name: "dirt", 
-        render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Dirt)), 
-        collision: CollisionType::Solid, 
-        raycast_collision: true, 
-      },
-      Self::Grass => BlockDescriptor { 
-        name: "grass", 
-        render: RenderType::SolidBlock(CubeTexture::top_sides_bottom(
-          BlockTexture::GrassTop, 
-          BlockTexture::GrassSide, 
-          BlockTexture::Dirt
-        )), 
-        collision: CollisionType::Solid, 
-        raycast_collision: true, 
-      },
-      Self::Sand => BlockDescriptor { 
-        name: "sand", 
-        render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Sand)), 
-        collision: CollisionType::Solid, 
-        raycast_collision: true, 
-      },
-    }
-  }
-}
-
-#[derive(Clone, Copy, Debug)]
-pub struct BlockDescriptor {
-  pub name: &'static str,
-  pub render: RenderType,
-  pub collision: CollisionType,
-  pub raycast_collision: bool,
-}
-// impl BlockDescriptor {
-//   pub fn of(block: Block) -> Self {
-//     block.descriptor()
-//   }
-// }
-
-#[derive(Clone, Copy, Debug)]
-pub struct CubeTexture {
-  pub top: BlockTexture,
-  pub bottom: BlockTexture,
-  pub left: BlockTexture,
-  pub right: BlockTexture,
-  pub front: BlockTexture,
-  pub back: BlockTexture,
-}
-impl CubeTexture {
-  pub const fn top_sides_bottom(top: BlockTexture, sides: BlockTexture, bottom: BlockTexture) -> Self {
-    Self {
-      top,
-      bottom,
-      left: sides,
-      right: sides,
-      front: sides,
-      back: sides,
-    }
-  }
-  pub const fn horizontal_vertical(horizontal: BlockTexture, vertical: BlockTexture) -> Self {
-    Self::top_sides_bottom(vertical, horizontal, vertical)
-  }
-  pub const fn all(texture: BlockTexture) -> Self {
-    Self::horizontal_vertical(texture, texture)
-  }
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
-pub enum CollisionType {
-  None,
-  Solid,
-}
-
-#[derive(Clone, Copy, Debug)]
-pub enum RenderType {
-  None,
-  SolidBlock(CubeTexture)
-}

src/world/mesh.rs

@@ -1,138 +0,0 @@
-use strum::{EnumIter, IntoEnumIterator};
-use glam::{Vec3A, vec3a, IVec3, ivec3};
-use std::mem::discriminant;
-use super::{chunk::CHUNK_SIZE, block::{Block, RenderType}};
-use crate::rendering::world::ChunkVertex;
-
-pub mod data;
-use data::MeshGenData;
-
-#[repr(usize)]
-#[derive(Clone, Copy, Debug, EnumIter)]
-pub enum CubeFace {
-  Top    = 0,
-  Front  = 1,
-  Left   = 2,
-  Right  = 3,
-  Back   = 4,
-  Bottom = 5,
-}
-const CUBE_FACE_VERTICES: [[Vec3A; 4]; 6] = [
-  [vec3a(0., 1., 0.), vec3a(0., 1., 1.), vec3a(1., 1., 0.), vec3a(1., 1., 1.)],
-  [vec3a(0., 0., 0.), vec3a(0., 1., 0.), vec3a(1., 0., 0.), vec3a(1., 1., 0.)],
-  [vec3a(0., 0., 1.), vec3a(0., 1., 1.), vec3a(0., 0., 0.), vec3a(0., 1., 0.)],
-  [vec3a(1., 0., 0.), vec3a(1., 1., 0.), vec3a(1., 0., 1.), vec3a(1., 1., 1.)],
-  [vec3a(1., 0., 1.), vec3a(1., 1., 1.), vec3a(0., 0., 1.), vec3a(0., 1., 1.)],
-  [vec3a(0., 0., 1.), vec3a(0., 0., 0.), vec3a(1., 0., 1.), vec3a(1., 0., 0.)],
-];
-const CUBE_FACE_NORMALS: [Vec3A; 6] = [ 
-  vec3a(0., 1., 0.),
-  vec3a(0., 0., -1.),
-  vec3a(-1.,0., 0.),
-  vec3a(1., 0., 0.),
-  vec3a(0., 0., 1.),
-  vec3a(0., -1.,0.)
-];
-const CUBE_FACE_INDICES: [u32; 6] = [0, 1, 2, 2, 1, 3];
-const UV_COORDS: [[f32; 2]; 4] = [
-  [0., 0.],
-  [0., 1.],
-  [1., 0.],
-  [1., 1.],
-];
-
-#[derive(Default)]
-struct MeshBuilder {
-  vertex_buffer: Vec<ChunkVertex>,
-  index_buffer: Vec<u32>,
-  idx_counter: u32,
-}
-impl MeshBuilder {
-  pub fn new() -> Self {
-    Self::default()
-  }
-
-  pub fn add_face(&mut self, face: CubeFace, coord: IVec3, texture: u8) {
-    let coord = coord.as_vec3a();
-    let face_index = face as usize;
-    
-    //Push vertexes
-    let norm = CUBE_FACE_NORMALS[face_index];
-    let vert = CUBE_FACE_VERTICES[face_index];
-    self.vertex_buffer.reserve(4);
-    for i in 0..4 {
-      self.vertex_buffer.push(ChunkVertex {
-        position: (coord + vert[i]).to_array(),
-        normal: norm.to_array(),
-        uv: UV_COORDS[i], 
-        tex_index: texture
-      });
-    }
-
-    //Push indices
-    self.index_buffer.extend_from_slice(&CUBE_FACE_INDICES.map(|x| x + self.idx_counter));
-    self.idx_counter += 4;
-  }
-
-  pub fn finish(self) -> (Vec<ChunkVertex>, Vec<u32>) {
-    (self.vertex_buffer, self.index_buffer)
-  }
-}
-
-pub fn generate_mesh(data: MeshGenData) -> (Vec<ChunkVertex>, Vec<u32>) {
-  let get_block = |pos: IVec3| -> Block {
-    if pos.x < 0 {
-      data.block_data_neg_x[(CHUNK_SIZE as i32 + pos.x) as usize][pos.y as usize][pos.z as usize]
-    } else if pos.x >= CHUNK_SIZE as i32 {
-      data.block_data_pos_x[pos.x as usize - CHUNK_SIZE][pos.y as usize][pos.z as usize]
-    } else if pos.y < 0 {
-      data.block_data_neg_y[pos.x as usize][(CHUNK_SIZE as i32 + pos.y) as usize][pos.z as usize]
-    } else if pos.y >= CHUNK_SIZE as i32 {
-      data.block_data_pos_y[pos.x as usize][pos.y as usize - CHUNK_SIZE][pos.z as usize]
-    } else if pos.z < 0 {
-      data.block_data_neg_z[pos.x as usize][pos.y as usize][(CHUNK_SIZE as i32 + pos.z) as usize]
-    } else if pos.z >= CHUNK_SIZE as i32 {
-      data.block_data_pos_z[pos.x as usize][pos.y as usize][pos.z as usize - CHUNK_SIZE]
-    } else {
-      data.block_data[pos.x as usize][pos.y as usize][pos.z as usize]
-    }
-  };
-
-  let mut builder = MeshBuilder::new();
-
-  for x in 0..CHUNK_SIZE {
-    for y in 0..CHUNK_SIZE {
-      for z in 0..CHUNK_SIZE {
-        let coord = ivec3(x as i32, y as i32, z as i32);
-        let block = get_block(coord);
-        let descriptor = block.descriptor();
-        if matches!(descriptor.render, RenderType::None) {
-          continue
-        }
-        for face in CubeFace::iter() {
-          let facing = CUBE_FACE_NORMALS[face as usize].as_ivec3();
-          let facing_coord = coord + facing;
-          let show = discriminant(&get_block(facing_coord).descriptor().render) != discriminant(&descriptor.render);
-          if show {
-            match descriptor.render {
-              RenderType::SolidBlock(textures) => {
-                let face_texture = match face {
-                  CubeFace::Top    => textures.top,
-                  CubeFace::Front  => textures.front,
-                  CubeFace::Left   => textures.left,
-                  CubeFace::Right  => textures.right,
-                  CubeFace::Back   => textures.back,
-                  CubeFace::Bottom => textures.bottom,
-                };
-                builder.add_face(face, coord, face_texture as u8);
-              },
-              _ => unimplemented!()
-            }
-          }
-        }
-      }
-    }
-  }
-
-  builder.finish()
-}

src/world/tasks.rs

@@ -1,64 +0,0 @@
-use flume::{Sender, Receiver};
-use glam::IVec3;
-use shipyard::Unique;
-use rayon::{ThreadPool, ThreadPoolBuilder};
-use super::{
-  chunk::BlockData,
-  mesh::{generate_mesh, data::MeshGenData},
-  worldgen::generate_world,
-};
-use crate::rendering::world::ChunkVertex;
-
-pub enum ChunkTask {
-  LoadChunk {
-    seed: u64,
-    position: IVec3
-  },
-  GenerateMesh {
-    position: IVec3,
-    data: MeshGenData
-  }
-}
-pub enum ChunkTaskResponse {
-  LoadedChunk {
-    position: IVec3,
-    chunk_data: BlockData,
-  },
-  GeneratedMesh {
-    position: IVec3,
-    vertices: Vec<ChunkVertex>,
-    indexes: Vec<u32>
-  },
-}
-
-#[derive(Unique)]
-pub struct ChunkTaskManager {
-  channel: (Sender<ChunkTaskResponse>, Receiver<ChunkTaskResponse>),
-  pool: ThreadPool,
-}
-impl ChunkTaskManager {
-  pub fn new() -> Self {
-    Self {
-      channel: flume::unbounded::<ChunkTaskResponse>(), //maybe put a bound or even bound(0)?
-      pool: ThreadPoolBuilder::new().num_threads(4).build().unwrap()
-    }
-  }
-  pub fn spawn_task(&self, task: ChunkTask) {
-    let sender = self.channel.0.clone();
-    self.pool.spawn(move || {
-      let _ = sender.send(match task {
-        ChunkTask::GenerateMesh { position, data } => {
-          let (vertices, indexes) = generate_mesh(data);
-          ChunkTaskResponse::GeneratedMesh { position, vertices, indexes }
-        },
-        ChunkTask::LoadChunk { position, seed } => {
-          let chunk_data = generate_world(position, seed);
-          ChunkTaskResponse::LoadedChunk { position, chunk_data }
-        }
-      });
-    });
-  }
-  pub fn receive(&self) -> Option<ChunkTaskResponse> {
-    self.channel.1.try_recv().ok()
-  }
-}

src/world/worldgen.rs

@@ -1,49 +0,0 @@
-use glam::{IVec3, ivec3};
-use bracket_noise::prelude::*;
-use super::{
-  chunk::{BlockData, CHUNK_SIZE},
-  block::Block
-};
-
-pub fn generate_world(chunk_position: IVec3, seed: u64) -> BlockData {
-  let offset = chunk_position * CHUNK_SIZE as i32;
-  
-  let mut cave_noise = FastNoise::seeded(seed);
-  cave_noise.set_fractal_type(FractalType::FBM);
-  cave_noise.set_frequency(0.1);
-
-  let mut dirt_noise = FastNoise::seeded(seed.rotate_left(1));
-  dirt_noise.set_fractal_type(FractalType::FBM);
-  dirt_noise.set_frequency(0.1);
-
-  let mut blocks = Box::new([[[Block::Air; CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE]);
-
-  if chunk_position.y >= 0 {
-    if chunk_position.y == 0 {
-      for x in 0..CHUNK_SIZE {
-        for z in 0..CHUNK_SIZE {
-          blocks[x][0][z] = Block::Dirt;
-          blocks[x][1][z] = Block::Grass;
-        }
-      }
-    }
-  } else {
-    for x in 0..CHUNK_SIZE {
-      for y in 0..CHUNK_SIZE {
-        for z in 0..CHUNK_SIZE {
-          let position = ivec3(x as i32, y as i32, z as i32) + offset;
-          let v_cave_noise = cave_noise.get_noise3d(position.x as f32, position.y as f32, position.z as f32) * (-position.y as f32 - 10.0).clamp(0., 1.);
-          let v_dirt_noise = dirt_noise.get_noise3d(position.x as f32, position.y as f32, position.z as f32) * (-position.y as f32).clamp(0., 1.);
-          if v_cave_noise > 0.5 {
-            blocks[x][y][z] = Block::Stone;
-          } else if v_dirt_noise > 0.5 {
-            blocks[x][y][z] = Block::Dirt;
-          }
-        }
-      }
-    }
-  }
-  
-  
-  blocks
-}