wip

Cargo.toml

@@ -1,5 +1,6 @@
 [workspace]
 members = ["kubi", "kubi-server", "kubi-shared", "kubi-logging"]
+default-members = ["kubi"]
 resolver = "2"
 
 [profile.release-with-debug]
@@ -15,7 +16,7 @@ opt-level = 1
 [profile.dev.package.uflow]
 opt-level = 3
 
-[profile.dev.package.glium]
+[profile.dev.package.wgpu]
 opt-level = 3
 
 [profile.dev.package.bracket-noise]

kubi-logging/src/lib.rs

@@ -9,7 +9,7 @@ pub fn init() {
   use env_logger::{fmt::Color, Builder, Env};
 
   let env = Env::default()
-    .filter_or("RUST_LOG", "trace,gilrs=warn,rusty_xinput=warn");
+    .filter_or("RUST_LOG", "trace,gilrs=warn,rusty_xinput=warn,wgpu=warn,wgpu_core=warn,wgpu_hal=error");
   Builder::from_env(env)
     .format(|buf, record| {
       let mut level_style = buf.style();

kubi/shaders/world.wgsl

@@ -1 +1,19 @@
-//TODO migrate
+//TODO migrate, this is just some filler code to make the game compile
+
+struct VertexOutput {
+  @builtin(position) position: vec4<f32>,
+};
+
+@vertex
+fn vs_main(
+  @builtin(vertex_index) in_vertex_index: u32,
+) -> VertexOutput {
+  var out: VertexOutput;
+  out.position = vec4<f32>(0.0, 0.0, 0.0, 1.0);
+  return out;
+}
+
+@fragment
+fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
+  return vec4<f32>(0.3, 0.2, 0.1, 1.0);
+}

kubi/src/assets.rs

@@ -37,14 +37,14 @@ impl AssetPaths for BlockTexture {
 
 #[derive(Unique)]
 #[repr(transparent)]
-pub struct BlockTexturesPrefab(pub wgpu::Texture);
+pub struct BlockTexturesAsset(pub wgpu::Texture);
 
 pub fn load_prefabs(
   storages: AllStoragesView,
   renderer: NonSendSync<UniqueView<Renderer>>
 ) {
   log::info!("Loading textures...");
-  storages.add_unique_non_send_sync(BlockTexturesPrefab(
+  storages.add_unique_non_send_sync(BlockTexturesAsset(
     load_asset_texture_array::<BlockTexture>("blocks".into(), &renderer)
   ));
 }

kubi/src/assets/texture.rs

@@ -47,7 +47,7 @@ pub fn load_asset_texture_array<
 
       //Ensure same size (skip if poisoned)
       if !img_dim.is_poisoned() {
-        let img_dim = img_dim.lock().unwrap();
+        let mut img_dim = img_dim.lock().unwrap();
         if let Some(current_size) = img_dim.replace(dim_nonzero) {
           assert!(dim_nonzero == current_size, "image dimensions do not match");
         }

kubi/src/events.rs

@@ -81,10 +81,13 @@ pub fn process_glutin_events(world: &mut World, event: &Event<'_, ()>) {
 pub fn initial_resize_event(
   mut storages: AllStoragesViewMut,
 ) {
+  let size = {
     let renderer = storages.borrow::<NonSendSync<UniqueView<Renderer>>>().unwrap();
+    UVec2::new(renderer.size.width, renderer.size.height)
+  };
   storages.add_entity((
     EventComponent,
-    WindowResizedEvent(UVec2::new(renderer.size.width, renderer.size.height))
+    WindowResizedEvent(size)
   ));
 }
 

kubi/src/lib.rs

@@ -213,6 +213,10 @@ pub fn kubi_main() {
     #[allow(clippy::collapsible_match, clippy::single_match)]
     match event {
       Event::WindowEvent { event, .. } => match event {
+        WindowEvent::Resized(new_size) => {
+          //this can be in a system but I don't care
+          world.borrow::<NonSendSync<UniqueViewMut<Renderer>>>().unwrap().resize(new_size);
+        }
         WindowEvent::CloseRequested => {
           log::info!("exit requested");
           *control_flow = ControlFlow::Exit;
@@ -234,16 +238,19 @@ pub fn kubi_main() {
         //Start rendering (maybe use custom views for this?)
         let target = {
           let renderer = world.borrow::<NonSendSync<UniqueView<Renderer>>>().unwrap();
-          renderer.render()
+          renderer.begin()
         };
-        world.add_unique_non_send_sync(RenderTarget(target));
+        world.add_unique(target);
 
         //Run render workflow
         world.run_workload(render).unwrap();
 
         //Finish rendering
+        {
           let target = world.remove_unique::<RenderTarget>().unwrap();
-        target.0.finish().unwrap();
+          let renderer = world.borrow::<UniqueView<Renderer>>().unwrap();
+          renderer.end(target);
+        }
 
         //After frame end
         world.run_workload(after_frame_end).unwrap();

kubi/src/rendering.rs

@@ -18,8 +18,11 @@ pub mod selection_box;
 pub mod entities;
 
 #[derive(Unique)]
-#[repr(transparent)]
-pub struct RenderTarget(pub ());
+pub struct RenderTarget {
+  pub output: wgpu::SurfaceTexture,
+  pub view: wgpu::TextureView,
+  pub encoder: wgpu::CommandEncoder,
+}
 
 #[derive(Unique)]
 #[repr(transparent)]
@@ -141,7 +144,9 @@ impl Renderer {
     };
     surface.configure(&device, &config);
 
-    Self { window, instance, surface, adapter, device, queue, size, config }
+    Self {
+      window, instance, surface, adapter, device, queue, size, config,
+    }
   }
 
   /// do not call from async functions
@@ -150,14 +155,51 @@ impl Renderer {
   }
 
   /// Start a new frame
-  pub fn render() -> RenderTarget {
-    todo!()
+  pub fn begin(&self) -> RenderTarget {
+    //Surface texture
+    let output = self.surface.get_current_texture().unwrap();
+
+    //View
+    let view = output.texture.create_view(&wgpu::TextureViewDescriptor::default());
+
+    //Encoder
+    let mut encoder = self.device.create_command_encoder(&wgpu::CommandEncoderDescriptor {
+      label: Some("RenderEncoder"),
+    });
+
+    //Begin render pass
+    {
+      let _render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
+        label: Some("RenderPass"),
+        color_attachments: &[Some(wgpu::RenderPassColorAttachment {
+          view: &view,
+          resolve_target: None,
+          ops: wgpu::Operations {
+            load: wgpu::LoadOp::Clear(wgpu::Color {
+              r: 0.1,
+              g: 0.2,
+              b: 0.3,
+              a: 1.0,
+            }),
+            store: true,
+          },
+        })],
+        depth_stencil_attachment: None,
+      });
+    }
+
+    RenderTarget { output, view, encoder }
+  }
+
+  pub fn end(&self, target: RenderTarget) {
+    self.queue.submit([target.encoder.finish()]);
+    target.output.present();
   }
   
   /// Resize the surface
   /// ## Panics:
   /// - ...if any dimension is equal to zero
-  pub fn resize(&self, new_size: PhysicalSize<u32>) {
+  pub fn resize(&mut self, new_size: PhysicalSize<u32>) {
     //XXX: just check instead?
     assert!(new_size.width > 0, "width cannot be zero");
     assert!(new_size.height > 0, "height cannot be zero");

kubi/src/rendering/world.rs

@@ -1,17 +1,18 @@
 use glam::{Vec3, Mat4, Quat, ivec3};
-use shipyard::{NonSendSync, UniqueView, UniqueViewMut, View, IntoIter, track};
+use shipyard::{NonSendSync, UniqueView, UniqueViewMut, View, IntoIter, track, Unique};
+use wgpu::util::DeviceExt;
 use crate::{
   camera::Camera,
   player::MainPlayer,
   transform::Transform,
-  assets::BlockTexturesPrefab,
+  assets::BlockTexturesAsset,
   world::{
     ChunkStorage, 
     ChunkMeshStorage, 
     chunk::CHUNK_SIZE,
   }, settings::GameSettings,
 };
-use super::{RenderTarget, primitives::cube::CubePrimitive};
+use super::{RenderTarget, shaders::Shaders, Renderer};
 
 #[repr(C, packed)]
 #[derive(Clone, Copy, bytemuck::Pod, bytemuck::Zeroable)]
@@ -22,7 +23,37 @@ pub struct ChunkVertex {
   pub tex_index: u8,
 }
 
-pub fn draw_world() {}
+#[repr(C, packed)]
+#[derive(Clone, Copy, bytemuck::Pod, bytemuck::Zeroable)]
+struct WorldUniform {
+  position_offset: [f32; 3],
+  view: [[f32; 4]; 4],
+  perspective: [[f32; 4]; 4],
+}
+
+pub fn draw_world(
+  renderer: UniqueView<Renderer>,
+  mut target: UniqueViewMut<RenderTarget>,
+  chunks: UniqueView<ChunkStorage>,
+  meshes: UniqueView<ChunkMeshStorage>,
+  shaders: UniqueView<Shaders>,
+  texture: UniqueView<BlockTexturesAsset>,
+  camera: View<Camera>,
+  settings: UniqueView<GameSettings>
+) {
+  let camera = camera.iter().next().expect("No cameras in the scene");
+  for (&position, chunk) in &chunks.chunks {
+    if let Some(key) = chunk.mesh_index {
+      let mesh = meshes.get(key).expect("Mesh index pointing to nothing");
+      let world_position = position.as_vec3() * CHUNK_SIZE as f32;
+      
+      //TODO culling
+
+      //Draw chunk mesh
+      
+    }
+  }
+}
 
 #[cfg(fuck)]
 pub fn draw_world(
@@ -30,7 +61,7 @@ pub fn draw_world(
   chunks: UniqueView<ChunkStorage>,
   meshes: NonSendSync<UniqueView<ChunkMeshStorage>>,
   program: NonSendSync<UniqueView<ChunkShaderPrefab>>,
-  texture: NonSendSync<UniqueView<BlockTexturesPrefab>>,
+  texture: NonSendSync<UniqueView<BlockTexturesAsset>>,
   camera: View<Camera>,
   settings: UniqueView<GameSettings>
 ) {

kubi/src/world.rs

@@ -102,7 +102,7 @@ impl ChunkMeshStorage {
 pub fn init_game_world(
   storages: AllStoragesView,
 ) {
-  storages.add_unique_non_send_sync(ChunkMeshStorage::new());
+  storages.add_unique(ChunkMeshStorage::new());
   storages.add_unique(ChunkStorage::new());
   storages.add_unique(ChunkTaskManager::new());
   storages.add_unique(BlockUpdateQueue::new());