player position sync, refactor some stuff

Cargo.lock

@@ -954,6 +954,7 @@ dependencies = [
  "rayon",
  "serde_json",
  "shipyard",
+ "static_assertions",
  "strum",
  "uflow",
  "winapi",

Cargo.toml

@@ -12,6 +12,9 @@ opt-level = 1
 [profile.dev.package."*"]
 opt-level = 1
 
+[profile.dev.package.uflow]
+opt-level = 3
+
 [profile.dev.package.glium]
 opt-level = 3
 

kubi-server/Cargo.toml

@@ -8,7 +8,7 @@ publish = false
 kubi-shared = { path = "../kubi-shared" }
 kubi-logging = { path = "../kubi-logging" }
 log = "*"
-shipyard = { git = "https://github.com/leudz/shipyard", rev = "a4f4d27edcf", features = ["thread_local"] }
+shipyard = { git = "https://github.com/leudz/shipyard", rev = "a4f4d27edcf", default-features = false, features = ["std", "proc", "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"] }
@@ -23,6 +23,7 @@ postcard = { version = "1.0", features = ["alloc"] }
 lz4_flex = { version = "0.10", default-features = false, features = ["std", "checked-decode"] }
 
 [features]
-default = []
+default = ["parallel"]
+parallel = ["shipyard/parallel"]
 safe_lz4 = ["lz4_flex/safe-encode", "lz4_flex/safe-decode"]
 nightly = ["hashbrown/nightly", "rand/nightly", "rand/simd_support", "glam/core-simd", "kubi-shared/nightly"]

kubi-server/src/client.rs

@@ -1,11 +1,13 @@
 use glam::Mat4;
-use shipyard::{Component, EntityId, Unique, AllStoragesView, UniqueView, NonSendSync, View, ViewMut, Get};
+use shipyard::{Component, EntityId, Unique, AllStoragesView, UniqueView, NonSendSync, View, ViewMut, Get, IntoIter};
 use hashbrown::HashMap;
+use uflow::SendMode;
 use std::net::SocketAddr;
 use kubi_shared::{
   networking::{
     client::{ClientIdMap, Client}, 
-    messages::{ClientToServerMessage, C_POSITION_CHANGED}
+    messages::{ClientToServerMessage, ServerToClientMessage, C_POSITION_CHANGED},
+    channels::CHANNEL_MOVE
   },
   transform::Transform
 };
@@ -35,7 +37,8 @@ pub fn sync_client_positions(
   events: UniqueView<ServerEvents>,
   addr_map: UniqueView<ClientAddressMap>,
   clients: View<Client>,
-  mut transforms: ViewMut<Transform>
+  mut transforms: ViewMut<Transform>,
+  addrs: View<ClientAddress>,
 ) {
   for event in &events.0 {
     let Some(message) = check_message_auth::<C_POSITION_CHANGED>(&server, event, &clients, &addr_map) else {
@@ -44,9 +47,34 @@ pub fn sync_client_positions(
     let ClientToServerMessage::PositionChanged { position, velocity: _, direction } = message.message else {
       unreachable!()
     };
-    //Apply position to client
+
+    //log movement (annoying duh)
+    log::debug!("dbg: player moved id: {} coords: {} quat: {}", message.client_id, position, direction);
+
+    //Apply position to server-side client
     let mut trans = (&mut transforms).get(message.entity_id).unwrap();
     trans.0 = Mat4::from_rotation_translation(direction, position);
 
+    //Transmit the change to other players
+    for (other_client, other_client_address) in (&clients, &addrs).iter() {
+      if other_client.0 == message.client_id {
+        continue
+      }
+      let Some(client) = server.0.client(&other_client_address.0) else {
+        log::error!("Client with address not found");
+        continue
+      };
+      client.borrow_mut().send(
+        postcard::to_allocvec(
+          &ServerToClientMessage::PlayerPositionChanged {
+            client_id: message.client_id,
+            position,
+            direction
+          }
+        ).unwrap().into_boxed_slice(), 
+        CHANNEL_MOVE, 
+        SendMode::Reliable
+      );
+    }
   }
 }

kubi-server/src/main.rs

@@ -10,7 +10,7 @@ mod auth;
 
 use config::read_config;
 use server::{bind_server, update_server, log_server_errors};
-use client::init_client_maps;
+use client::{init_client_maps, sync_client_positions};
 use auth::authenticate_players;
 use world::{update_world, init_world};
 
@@ -30,6 +30,7 @@ fn update() -> Workload {
       log_server_errors,
       authenticate_players,
       update_world,
+      sync_client_positions,
     ).into_workload()
   ).into_sequential_workload()
 }

kubi-server/src/server.rs

@@ -35,7 +35,7 @@ pub fn bind_server(
       endpoint_config: EndpointConfig {
         active_timeout_ms: config.server.timeout_ms,
         keepalive: true,
-        keepalive_interval_ms: 1000,
+        keepalive_interval_ms: 300,
         ..Default::default()
       },
       ..Default::default()

kubi/Cargo.toml

@@ -23,6 +23,7 @@ uflow = "0.7"
 postcard = { version = "1.0", features = ["alloc"] }
 serde_json = { version = "1.0", optional = true }
 lz4_flex = { version = "0.10", default-features = false, features = ["std", "checked-decode"] }
+static_assertions = "1.1"
 
 [target.'cfg(target_os = "windows")'.dependencies]
 winapi = { version = "0.3" }
@@ -32,4 +33,4 @@ default = []
 generate_visualizer_data = ["serde_json", "shipyard/serde1"]
 safe_lz4 = ["lz4_flex/safe-encode", "lz4_flex/safe-decode"]
 parallel = ["shipyard/parallel"]
-nightly = ["hashbrown/nightly", "glam/core-simd", "kubi-shared/nightly"]
+nightly = ["hashbrown/nightly", "glam/core-simd", "static_assertions/nightly", "kubi-shared/nightly"]

kubi/shaders/colored.frag

@@ -6,5 +6,7 @@ out vec4 out_color;
 uniform vec4 color;
 
 void main() {
+  // discard fully transparent pixels
+  if (color.w <= 0.) discard;
   out_color = color;
 }

kubi/shaders/selection_box.frag

@@ -1,11 +0,0 @@
-#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

@@ -1,12 +0,0 @@
-#version 300 es
-
-precision highp float;
-
-in vec3 position;
-uniform ivec3 u_position;
-uniform mat4 perspective;
-uniform mat4 view;
-
-void main() {
-  gl_Position = perspective * view * vec4(position + vec3(u_position), 1.);
-}

kubi/shaders/world.frag

@@ -19,20 +19,8 @@ uniform sampler2DArray tex;
 void main() {
   // base color from texture
   color = texture(tex, vec3(v_uv, v_tex_index));
-  // HACKY texture "antialiasing"
-  // color += (
-  //   alpha_drop(color, texture(tex, vec3(v_uv + vec2(.000, .001), v_tex_index))) +
-  //   alpha_drop(color, texture(tex, vec3(v_uv + vec2(.001, .000), v_tex_index))) +
-  //   alpha_drop(color, texture(tex, vec3(v_uv + vec2(.001, .001), v_tex_index))) +
-  //   alpha_drop(color, texture(tex, vec3(v_uv - vec2(.000, .001), v_tex_index))) +
-  //   alpha_drop(color, texture(tex, vec3(v_uv - vec2(.001, .000), v_tex_index))) +
-  //   alpha_drop(color, texture(tex, vec3(v_uv - vec2(.001, .001), v_tex_index)))
-  // ) / 6.;
-  // color /= 2.;
   // discard fully transparent pixels
-  if (color.w <= 0.0) {
-    discard;
-  }
+  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/src/block_placement.rs

@@ -63,7 +63,7 @@ fn block_placement_system(
       (ray.block_position, Block::Air)
     };
     //queue place
-    block_event_queue.push(QueuedBlock {
+    block_event_queue.0.push(QueuedBlock {
       position: place_position,
       block_type: place_block,
       soft: place_block != Block::Air,

kubi/src/main.rs

@@ -69,9 +69,9 @@ use rendering::{
   init_window_size, 
   update_window_size,
   primitives::init_primitives,
+  world::{draw_world, draw_current_chunk_border},
   selection_box::render_selection_box,
-  world::draw_world,
-  world::draw_current_chunk_border, 
+  entities::render_entities, 
 };
 use block_placement::update_block_placement;
 use delta_time::{DeltaTime, init_delta_time};
@@ -107,6 +107,7 @@ fn startup() -> Workload {
     init_delta_time,
   ).into_sequential_workload()
 }
+
 fn update() -> Workload {
   (
     update_window_size,
@@ -143,6 +144,7 @@ fn update() -> Workload {
     disconnect_on_exit.run_if(is_multiplayer),
   ).into_sequential_workload()
 }
+
 fn render() -> Workload {
   (
     clear_background,
@@ -150,10 +152,12 @@ fn render() -> Workload {
       draw_world,
       draw_current_chunk_border,
       render_selection_box,
+      render_entities,
     ).into_sequential_workload().run_if(is_ingame),
     render_gui,
   ).into_sequential_workload()
 }
+
 fn after_frame_end() -> Workload {
   (
     clear_events,

kubi/src/networking.rs

@@ -1,7 +1,10 @@
 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}, EndpointConfig};
+use uflow::{
+  client::{Client, Config as ClientConfig, Event as ClientEvent}, 
+  EndpointConfig
+};
 use kubi_shared::networking::{
   messages::ServerToClientMessage,
   state::ClientJoinState, 
@@ -71,7 +74,7 @@ fn connect_client(
     endpoint_config: EndpointConfig {
       active_timeout_ms: 10000,
       keepalive: true,
-      keepalive_interval_ms: 1000,
+      keepalive_interval_ms: 300,
       ..Default::default()
     },
   }).expect("Client connection failed");
@@ -128,8 +131,8 @@ pub fn update_networking() -> Workload {
     ).into_sequential_workload().run_if(is_join_state::<{ClientJoinState::Connected as u8}>),
     (
       (
-        receive_player_connect_events
-      ),
+        receive_player_connect_events,
+      ).into_workload(),
       (
         recv_block_place_events,
         receive_player_movement_events,

kubi/src/networking/player.rs

@@ -4,7 +4,7 @@ use uflow::{SendMode, client::Event as ClientEvent};
 use kubi_shared::{
   transform::Transform,
   networking::{
-    messages::{ClientToServerMessage, ServerToClientMessage, S_PLAYER_POSITION_CHANGED},
+    messages::{ClientToServerMessage, ServerToClientMessage, S_PLAYER_POSITION_CHANGED, S_PLAYER_CONNECTED},
     channels::CHANNEL_MOVE, 
     client::ClientIdMap,
   }, 
@@ -83,7 +83,7 @@ pub fn receive_player_connect_events(
     let ClientEvent::Receive(data) = &event.0 else {
       return None
     };
-    if !event.is_message_of_type::<S_PLAYER_POSITION_CHANGED>() {
+    if !event.is_message_of_type::<S_PLAYER_CONNECTED>() {
       return None
     };
     let Ok(parsed_message) = postcard::from_bytes(data) else {

kubi/src/networking/world.rs

@@ -86,6 +86,6 @@ pub fn recv_block_place_events(
     let ServerToClientMessage::QueueBlock { item } = parsed_message else {
       unreachable!()
     };
-    queue.push(item);
+    queue.0.push(item);
   }
 }

kubi/src/prefabs.rs

@@ -37,18 +37,19 @@ impl AssetPaths for BlockTexture {
 }
 
 #[derive(Unique)]
+#[repr(transparent)]
 pub struct BlockTexturesPrefab(pub SrgbTexture2dArray);
 
 #[derive(Unique)]
+#[repr(transparent)]
 pub struct ChunkShaderPrefab(pub Program);
 
 #[derive(Unique)]
-pub struct SelBoxShaderPrefab(pub Program);
-
-#[derive(Unique)]
+#[repr(transparent)]
 pub struct ColoredShaderPrefab(pub Program);
 
 #[derive(Unique)]
+#[repr(transparent)]
 pub struct ProgressbarShaderPrefab(pub Program);
 
 pub fn load_prefabs(
@@ -73,14 +74,6 @@ pub fn load_prefabs(
       &renderer.display
     )
   ));
-  storages.add_unique_non_send_sync(SelBoxShaderPrefab(
-    include_shader_prefab!(
-      "selection_box",
-      "../shaders/selection_box.vert",
-      "../shaders/selection_box.frag",
-      &renderer.display
-    )
-  ));
   storages.add_unique_non_send_sync(ColoredShaderPrefab(
     include_shader_prefab!(
       "colored",

kubi/src/rendering.rs

@@ -14,14 +14,18 @@ use crate::{events::WindowResizedEvent, settings::{GameSettings, FullscreenMode}
 pub mod primitives;
 pub mod world;
 pub mod selection_box;
+pub mod entities;
 
 #[derive(Unique)]
+#[repr(transparent)]
 pub struct RenderTarget(pub glium::Frame);
 
 #[derive(Unique)]
+#[repr(transparent)]
 pub struct BackgroundColor(pub Vec3);
 
 #[derive(Unique, Clone, Copy)]
+#[repr(transparent)]
 pub struct WindowSize(pub UVec2);
 
 #[derive(Unique)]
@@ -32,7 +36,6 @@ impl Renderer {
   pub fn init(event_loop: &EventLoop<()>, settings: &GameSettings) -> Self {
     log::info!("initializing display");
     
-    
     let wb = WindowBuilder::new()
       .with_title("kubi")
       .with_maximized(true)

kubi/src/rendering/entities.rs

@@ -0,0 +1,59 @@
+use shipyard::{NonSendSync, UniqueViewMut, UniqueView, View, IntoIter, IntoWithId};
+use glium::{DepthTest, Depth, PolygonMode, BackfaceCullingMode, DrawParameters, Surface, uniform};
+use kubi_shared::{entity::Entity, transform::Transform};
+use crate::{
+  prefabs::ColoredShaderPrefab,
+  camera::Camera,
+  settings::GameSettings,
+  player::MainPlayer
+};
+use super::{
+  RenderTarget, 
+  primitives::cube::CubePrimitive
+};
+
+// TODO: entity models
+pub fn render_entities(
+  mut target: NonSendSync<UniqueViewMut<RenderTarget>>, 
+  buffers: NonSendSync<UniqueView<CubePrimitive>>,
+  program: NonSendSync<UniqueView<ColoredShaderPrefab>>,
+  camera: View<Camera>,
+  settings: UniqueView<GameSettings>,
+  entities: View<Entity>,
+  transform: View<Transform>,
+) {
+  let (camera_id, camera) = camera.iter().with_id().next().expect("No cameras in the scene");
+
+  let draw_parameters = DrawParameters {
+    depth: Depth {
+      test: DepthTest::IfLess,
+      write: true,
+      ..Default::default()
+    },
+    multisampling: settings.msaa.is_some(),
+    polygon_mode: PolygonMode::Fill,
+    backface_culling: BackfaceCullingMode::CullClockwise,
+    ..Default::default()
+  };
+  let view = camera.view_matrix.to_cols_array_2d();
+  let perspective = camera.perspective_matrix.to_cols_array_2d();
+
+  for (entity_id, (_, trans)) in (&entities, &transform).iter().with_id() {
+    //skip rendering camera holder (as the entity would block the view)
+    if entity_id == camera_id { continue }
+
+    //render entity
+    target.0.draw(
+      &buffers.0,
+      &buffers.1,
+      &program.0,
+      &uniform! {
+        color: [1.0, 1.0, 1.0, 1.0_f32],
+        model: trans.0.to_cols_array_2d(),
+        view: view,
+        perspective: perspective,
+      },
+      &draw_parameters
+    ).unwrap();
+  }
+}

kubi/src/rendering/selection_box.rs

@@ -1,3 +1,4 @@
+use glam::{Mat4, Vec3, Quat};
 use shipyard::{View, IntoIter, NonSendSync, UniqueViewMut, UniqueView};
 use glium::{
   Surface, 
@@ -8,18 +9,21 @@ use glium::{
 };
 use crate::{
   world::raycast::LookingAtBlock, 
-  camera::Camera, prefabs::SelBoxShaderPrefab
+  camera::Camera, 
+  prefabs::ColoredShaderPrefab
 };
 use super::{
   RenderTarget, 
   primitives::cube::CubePrimitive,
 };
 
+const SMOL: f32 = 0.0001;
+
 pub fn render_selection_box(
   lookat: View<LookingAtBlock>,
   camera: View<Camera>,
   mut target: NonSendSync<UniqueViewMut<RenderTarget>>, 
-  program: NonSendSync<UniqueView<SelBoxShaderPrefab>>,
+  program: NonSendSync<UniqueView<ColoredShaderPrefab>>,
   buffers: NonSendSync<UniqueView<CubePrimitive>>,
 ) {
   let camera = camera.iter().next().unwrap();
@@ -32,8 +36,12 @@ pub fn render_selection_box(
     &buffers.1,
     &program.0,
     &uniform! {
-      u_color: [0., 0., 0., 0.5_f32],
-      u_position: lookat.block_position.to_array(),
+      color: [0., 0., 0., 0.5_f32],
+      model: Mat4::from_scale_rotation_translation(
+        Vec3::splat(1. + SMOL * 2.),
+        Quat::default(),
+        lookat.block_position.as_vec3() - Vec3::splat(SMOL)
+      ).to_cols_array_2d(),
       perspective: camera.perspective_matrix.to_cols_array_2d(),
       view: camera.view_matrix.to_cols_array_2d(),
     },
@@ -41,7 +49,8 @@ pub fn render_selection_box(
       backface_culling: BackfaceCullingMode::CullClockwise,
       blend: Blend::alpha_blending(),
       depth: Depth {
-        test: DepthTest::IfLessOrEqual, //this may be unreliable!
+        //this may be unreliable... unless scale is applied! hacky...
+        test: DepthTest::IfLessOrEqual, 
         ..Default::default()
       },
       ..Default::default()

kubi/src/world/loading.rs

@@ -191,7 +191,7 @@ fn process_completed_tasks(
   let mut ops: usize = 0;
   while let Some(res) = task_manager.receive() {
     match res {
-      ChunkTaskResponse::LoadedChunk { position, chunk_data, queued } => {
+      ChunkTaskResponse::LoadedChunk { position, chunk_data, mut queued } => {
         //check if chunk exists
         let Some(chunk) = world.chunks.get_mut(&position) else {
           log::warn!("blocks data discarded: chunk doesn't exist");
@@ -213,10 +213,8 @@ fn process_completed_tasks(
         chunk.current_state = CurrentChunkState::Loaded;
 
         //push queued blocks
-        //TODO use extend
-        for item in queued {
-          queue.push(item);
-        }
+        queue.0.append(&mut queued);
+        drop(queued); //`queued` is empty after `append`
 
         //increase ops counter
         ops += 1;

kubi/src/world/queue.rs

@@ -4,16 +4,12 @@ use shipyard::{UniqueViewMut, Unique};
 use super::ChunkStorage;
 
 #[derive(Unique, Default, Clone)]
-pub struct BlockUpdateQueue {
-  queue: Vec<QueuedBlock>
-}
+#[repr(transparent)]
+pub struct BlockUpdateQueue(pub 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(
@@ -21,7 +17,7 @@ pub fn apply_queued_blocks(
   mut world: UniqueViewMut<ChunkStorage>
 ) {
   //maybe i need to check for desired/current state here before marking as  dirty?
-  queue.queue.retain(|&event| {
+  queue.0.retain(|&event| {
     if let Some(block) = world.get_block_mut(event.position) {
       if event.soft && *block != Block::Air {
         return false