introduce some terrible, unsafe, ub code 👍... oh and also some other stuff

kubi/shaders/world.wgsl

@@ -1,21 +1,27 @@
-struct Uniform {
-  position_offset: vec3<f32>,
+struct CameraUniform {
   view_proj: mat4x4<f32>,
 };
 
-@group(1) @binding(0)
-var<uniform> world: Uniform;
+struct WorldUniform {
+  position: vec3<f32>,
+};
+
+@group(0) @binding(0)
+var<uniform> camera: CameraUniform;
+
+@group(0) @binding(1)
+var<uniform> world: WorldUniform;
 
 struct VertexInput {
   @location(0) position: vec3<f32>,
   @location(1) normal: vec3<f32>,
-  @location(2) uv: vec2<f32>,
+  @location(2) tex_coords: vec2<f32>,
   @location(3) tex_index: u32,
 }
 
 struct VertexOutput {
   @builtin(position) clip_position: vec4<f32>,
-  @location(0) tex_coords: vec2<f32>,
+  //@location(0) tex_coords: vec2<f32>,
 }
 
 @vertex
@@ -23,8 +29,8 @@ fn vs_main(
   model: VertexInput,
 ) -> VertexOutput {
   var out: VertexOutput;
-  out.tex_coords = model.tex_coords;
-  out.clip_position = camera.view_proj * vec4<f32>(model.position, 1.0);
+  out.clip_position = camera.view_proj * vec4<f32>(model.position + world.position, 1.0);
+  //out.tex_coords = model.tex_coords;
   return out;
 }
 

kubi/src/assets.rs

@@ -3,7 +3,6 @@ use kubi_shared::block::BlockTexture;
 use crate::rendering::Renderer;
 
 mod texture;
-mod shaders;
 
 use texture::load_asset_texture_array;
 

kubi/src/assets/shaders.rs

@@ -1,6 +0,0 @@
-macro_rules! include_shader_prefab {
-  ($name: literal, $vert: literal, $frag: literal, $facade: expr) => {
-    compile_error!("`include_shader_prefab` is not implemented yet")
-  }
-}
-pub(crate) use include_shader_prefab;

kubi/src/assets/texture.rs

@@ -45,9 +45,8 @@ pub fn load_asset_texture_array<
         NonZeroU32::new(dimensions.1).expect("image dimensions must be non-zero")
       );
 
-      //Ensure same size (skip if poisoned)
-      if !img_dim.is_poisoned() {
-        let mut img_dim = img_dim.lock().unwrap();
+      //Ensure same size
+      if let Ok(mut img_dim) = img_dim.lock() {
         if let Some(current_size) = img_dim.replace(dim_nonzero) {
           assert!(dim_nonzero == current_size, "image dimensions do not match");
         }
@@ -57,7 +56,8 @@ pub fn load_asset_texture_array<
     }).collect();
     
     //Lock for the final time and retrieve the dimensions
-    let img_dim = img_dim.lock().unwrap().expect("No images were loaded").clone();
+    let img_dim = img_dim.lock().unwrap()
+      .expect("no images were loaded, cannot create an empty texture array");
     let img_dim_vec = UVec2::new(img_dim.0.get(), img_dim.1.get());
 
     (raw_images, img_dim_vec)

kubi/src/lib.rs

@@ -3,7 +3,7 @@
 use shipyard::{
   World, Workload, IntoWorkload, 
   UniqueView, UniqueViewMut, 
-  NonSendSync, WorkloadModificator, 
+  WorkloadModificator,
   SystemModificator
 };
 use winit::{
@@ -12,8 +12,9 @@ use winit::{
 };
 use glam::vec3;
 use std::time::Instant;
-
 pub(crate) use kubi_shared::transform;
+
+pub(crate) mod util;
 pub(crate) mod rendering;
 pub(crate) mod world;
 pub(crate) mod player;
@@ -57,7 +58,7 @@ use input::{init_input, process_inputs};
 use fly_controller::update_controllers;
 use rendering::{
   Renderer,
-  RenderTarget,
+  RenderData,
   BackgroundColor,
   init_rendering_internals,
   world::{draw_world, draw_current_chunk_border},
@@ -128,25 +129,48 @@ fn update() -> Workload {
     ).into_sequential_workload().run_if(is_ingame),
     update_networking_late.run_if(is_multiplayer),
     compute_cameras,
+    update_camera_uniform,
     update_state,
     exit_on_esc,
     disconnect_on_exit.run_if(is_multiplayer),
   ).into_sequential_workload()
 }
 
-//TODO move this to the renderer module
-fn render() -> Workload {
-  (
-    (
-      update_camera_uniform,
-      draw_world,
-      draw_current_chunk_border,
-      render_selection_box,
-      render_entities,
-    ).into_sequential_workload().run_if(is_ingame),
-  ).into_sequential_workload()
+//XXX: move to rendering?
+fn render(world: &mut World, data: &mut RenderData) {
+  //RenderPass0 - draw world
+  {
+    let mut render_pass = data.encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
+      label: Some("RenderPass0"),
+      color_attachments: &[Some(wgpu::RenderPassColorAttachment {
+        view: &data.view,
+        resolve_target: None,
+        ops: wgpu::Operations {
+          load: wgpu::LoadOp::Clear(wgpu::Color::BLACK),
+          store: true,
+        },
+      })],
+      depth_stencil_attachment: None,
+    });
+
+    if world.run(is_ingame) {
+      world.run_with_data(draw_world, &mut render_pass);
+    }
+  }
 }
 
+// fn render() -> Workload {
+//   (
+//     (
+//       ,
+//       draw_world,
+//       draw_current_chunk_border,
+//       render_selection_box,
+//       render_entities,
+//     ).into_sequential_workload().run_if(is_ingame),
+//   ).into_sequential_workload()
+// }
+
 fn after_frame_end() -> Workload {
   (
     clear_events,
@@ -182,7 +206,6 @@ pub fn kubi_main() {
   world.add_workload(pre_startup);
   world.add_workload(startup);
   world.add_workload(update);
-  world.add_workload(render);
   world.add_workload(after_frame_end);
   
   //Run pre-startup procedure
@@ -238,22 +261,18 @@ pub fn kubi_main() {
         //Run update workflows
         world.run_workload(update).unwrap();
         
-        //Start rendering (maybe use custom views for this?)
-        let target = {
+        //Start rendering
+        {
+          let mut target = {
             let renderer = world.borrow::<UniqueView<Renderer>>().unwrap();
             renderer.begin()
           };
-        world.add_unique(target);
-
-        //Run render workflow
-        world.run_workload(render).unwrap();
-
-        //Finish rendering
+          render(&mut world, &mut target);
           {
-          let target = world.remove_unique::<RenderTarget>().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

@@ -1,4 +1,4 @@
-use shipyard::{Unique, Workload, IntoWorkload, WorkloadModificator};
+use shipyard::{Unique, Workload, IntoWorkload, WorkloadModificator, AllStoragesView};
 use winit::{
   event_loop::EventLoop,
   window::{Window, WindowBuilder, Fullscreen},
@@ -25,8 +25,7 @@ pub const OPENGL_TO_WGPU_MATRIX: Mat4 = Mat4::from_cols_array(&[
   0.0, 0.0, 0.5, 1.0,
 ]);
 
-#[derive(Unique)]
-pub struct RenderTarget {
+pub struct RenderData {
   pub output: wgpu::SurfaceTexture,
   pub view: wgpu::TextureView,
   pub encoder: wgpu::CommandEncoder,
@@ -163,7 +162,7 @@ impl Renderer {
   }
 
   /// Start a new frame
-  pub fn begin(&self) -> RenderTarget {
+  pub fn begin(&self) -> RenderData {
     //Surface texture
     let output = self.surface.get_current_texture().unwrap();
 
@@ -171,35 +170,14 @@ impl Renderer {
     let view = output.texture.create_view(&wgpu::TextureViewDescriptor::default());
 
     //Encoder
-    let mut encoder = self.device.create_command_encoder(&wgpu::CommandEncoderDescriptor {
+    let 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,
-      });
+    RenderData { output, view, encoder }
   }
 
-    RenderTarget { output, view, encoder }
-  }
-
-  pub fn end(&self, target: RenderTarget) {
+  pub fn end(&self, target: RenderData) {
     self.queue.submit([target.encoder.finish()]);
     target.output.present();
   }
@@ -229,3 +207,35 @@ pub fn init_rendering_internals() -> Workload {
     ).into_workload().after_all(compile_shaders),
   ).into_workload()
 }
+
+macro_rules! vertex_attributes {
+  (
+    $T: ident,
+    $(
+      $name:ident: $vertex_format:ident
+    ),*
+  ) => {
+    impl $T {
+      pub const VERTEX_ATTRIBUTES: [::wgpu::VertexAttribute; [$(stringify!($name)),*].len()] = {
+        let mut offset = 0;
+        let mut shader_location = 0;
+        [
+          $(
+            {
+              let attribute = wgpu::VertexAttribute {
+                format: ::wgpu::VertexFormat::$vertex_format,
+                offset, shader_location,
+              };
+              #[allow(unused_assignments)] {
+                shader_location += 1;
+                offset += ::wgpu::VertexFormat::$vertex_format.size();
+              }
+              attribute
+            },
+          )*
+        ]
+      };
+    }
+  };
+}
+pub(crate) use vertex_attributes;

kubi/src/rendering/selection_box.rs

@@ -5,7 +5,7 @@ use crate::{
   camera::Camera, 
 };
 use super::{
-  RenderTarget, 
+  RenderData, 
   primitives::cube::CubePrimitive,
 };
 

kubi/src/rendering/world.rs

@@ -1,6 +1,6 @@
 use glam::{Vec3, Mat4, Quat, ivec3};
 use shipyard::{NonSendSync, UniqueView, UniqueViewMut, View, IntoIter, track, Unique, AllStoragesView};
-use wgpu::util::DeviceExt;
+use wgpu::{util::DeviceExt, RenderPass};
 use crate::{
   camera::Camera,
   player::MainPlayer,
@@ -10,18 +10,25 @@ use crate::{
     ChunkStorage, 
     ChunkMeshStorage, 
     chunk::CHUNK_SIZE,
-  }, settings::GameSettings,
+  }, settings::GameSettings, util::yolo,
 };
-use super::{Renderer, RenderTarget, shaders::Shaders, camera_uniform::CameraUniformBuffer};
+use super::{Renderer, RenderData, shaders::Shaders, camera_uniform::CameraUniformBuffer, vertex_attributes};
 
 #[repr(C, packed)]
 #[derive(Clone, Copy, bytemuck::Pod, bytemuck::Zeroable)]
 pub struct ChunkVertex {
   pub position: [f32; 3],
   pub normal: [f32; 3],
-  pub uv: [f32; 2],
+  pub tex_coords: [f32; 2],
   pub tex_index: u32,
 }
+vertex_attributes!(
+  ChunkVertex,
+  position: Float32x3,
+  normal: Float32x3,
+  tex_coords: Float32x2,
+  tex_index: Uint32
+);
 
 #[repr(C, packed)]
 #[derive(Clone, Copy, Default, bytemuck::Pod, bytemuck::Zeroable)]
@@ -44,42 +51,6 @@ pub fn init_gpu_data(
   let shaders: UniqueView<'_, Shaders> = storages.borrow::<UniqueView<Shaders>>().unwrap();
   let camera_uniform = storages.borrow::<UniqueView<CameraUniformBuffer>>().unwrap();
 
-  let pipeline = renderer.device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
-    label: Some("WorldRenderPipeline"),
-    layout: Some(&renderer.device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
-      label: Some("WorldRenderPipelineLayout"),
-      bind_group_layouts: &[],
-      push_constant_ranges: &[],
-    })),
-    vertex: wgpu::VertexState {
-      module: &shaders.world,
-      entry_point: "vs_main",
-      buffers: &[],
-    },
-    fragment: Some(wgpu::FragmentState {
-      module: &shaders.world,
-      entry_point: "fs_main",
-      targets: &[Some(wgpu::ColorTargetState {
-        format: renderer.config.format,
-        blend: Some(wgpu::BlendState::REPLACE),
-        write_mask: wgpu::ColorWrites::ALL,
-      })],
-    }),
-    primitive: wgpu::PrimitiveState {
-      topology: wgpu::PrimitiveTopology::TriangleList,
-      strip_index_format: None,
-      front_face: wgpu::FrontFace::Ccw,
-      cull_mode: Some(wgpu::Face::Back),
-      polygon_mode: wgpu::PolygonMode::Fill,
-      unclipped_depth: false,
-      conservative: false,
-    },
-    //TODO enable depth buffer
-    depth_stencil: None,
-    multisample: wgpu::MultisampleState::default(),
-    multiview: None,
-  });
-
   let uniform_buffer = renderer.device.create_buffer_init(
     &wgpu::util::BufferInitDescriptor {
       label: Some("WorldUniformBuffer"),
@@ -113,6 +84,7 @@ pub fn init_gpu_data(
     ],
     label: Some("WorldBindGroupLayout"),
   });
+
   let bind_group = renderer.device.create_bind_group(&wgpu::BindGroupDescriptor {
     layout: &bind_group_layout,
     entries: &[
@@ -128,12 +100,56 @@ pub fn init_gpu_data(
     label: Some("WorldBindGroup"),
   });
 
+  let pipeline_layout = renderer.device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
+    label: Some("WorldRenderPipelineLayout"),
+    bind_group_layouts: &[&bind_group_layout],
+    push_constant_ranges: &[],
+  });
+  
+  let pipeline = renderer.device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
+    label: Some("WorldRenderPipeline"),
+    layout: Some(&pipeline_layout),
+    vertex: wgpu::VertexState {
+      module: &shaders.world,
+      entry_point: "vs_main",
+      buffers: &[
+        wgpu::VertexBufferLayout {
+          array_stride: std::mem::size_of::<ChunkVertex>() as wgpu::BufferAddress,
+          step_mode: wgpu::VertexStepMode::Vertex,
+          attributes: &ChunkVertex::VERTEX_ATTRIBUTES,
+        }
+      ],
+    },
+    fragment: Some(wgpu::FragmentState {
+      module: &shaders.world,
+      entry_point: "fs_main",
+      targets: &[Some(wgpu::ColorTargetState {
+        format: renderer.config.format,
+        blend: Some(wgpu::BlendState::REPLACE),
+        write_mask: wgpu::ColorWrites::ALL,
+      })],
+    }),
+    primitive: wgpu::PrimitiveState {
+      topology: wgpu::PrimitiveTopology::TriangleList,
+      strip_index_format: None,
+      front_face: wgpu::FrontFace::Ccw,
+      cull_mode: Some(wgpu::Face::Back),
+      polygon_mode: wgpu::PolygonMode::Fill,
+      unclipped_depth: false,
+      conservative: false,
+    },
+    //TODO enable depth buffer
+    depth_stencil: None,
+    multisample: wgpu::MultisampleState::default(),
+    multiview: None,
+  });
+
   storages.add_unique(GpuData { pipeline, uniform_buffer, bind_group });
 }
 
 pub fn draw_world(
+  render_pass: &mut RenderPass,
   renderer: UniqueView<Renderer>,
-  mut target: UniqueViewMut<RenderTarget>,
   gpu_data: UniqueView<GpuData>,
   chunks: UniqueView<ChunkStorage>,
   meshes: UniqueView<ChunkMeshStorage>,
@@ -147,10 +163,19 @@ pub fn draw_world(
       let world_position = position.as_vec3() * CHUNK_SIZE as f32;
       
       //TODO culling like in the glium version
+      //TODO indirect
 
       //Draw chunk mesh
-     
-      //TODO: i need renderpass here!
+      for (&position, chunk) in &chunks.chunks {
+        // //! //TODO THIS IS PROBABLY UB
+        // AND I DONT FUCKING CARE
+        let mesh = unsafe { yolo(meshes.get(key).expect("Mesh index pointing to nothing")) };
+        let bind_group = unsafe { yolo(&gpu_data.bind_group) };
+        render_pass.set_bind_group(0, bind_group, &[]);
+        render_pass.set_vertex_buffer(0, mesh.vertex_buffer.slice(..));
+        render_pass.set_index_buffer(mesh.index_buffer.slice(..), wgpu::IndexFormat::Uint32);
+        render_pass.draw_indexed(0..mesh.idx_count, 0, 0..1);
+      }
     }
   }
 }

kubi/src/util.rs

@@ -0,0 +1,33 @@
+pub unsafe fn yolo<'a, T>(t: &'a T) -> &'static T {
+  std::mem::transmute(t)
+}
+
+// use shipyard::{World, AllStoragesView, AllStoragesViewMut, System, AllSystem};
+
+// pub trait WorldExt {
+//   fn run_with_data_multiple<T: Clone + Copy, B, S: System<(T,), B> + AllSystem<(T,), B>, const SIZE: usize>(&mut self, systems: [S; SIZE], data: T);
+// }
+
+// impl<'a> WorldExt for AllStoragesView<'a> {
+//   fn run_with_data_multiple<T: Clone + Copy, B, S: System<(T,), B> + AllSystem<(T,), B>, const SIZE: usize>(&mut self, systems: [S; SIZE], data: T) {
+//     for system in systems {
+//       self.run_with_data(system, data);
+//     }
+//   }
+// }
+
+// impl<'a> WorldExt for AllStoragesViewMut<'a> {
+//   fn run_with_data_multiple<T: Clone + Copy, B, S: System<(T,), B> + AllSystem<(T,), B>, const SIZE: usize>(&mut self, systems: [S; SIZE], data: T) {
+//     for system in systems {
+//       self.run_with_data(system, data);
+//     }
+//   }
+// }
+
+// impl WorldExt for World {
+//   fn run_with_data_multiple<T: Clone + Copy, B, S: System<(T,), B> + AllSystem<(T,), B>, const SIZE: usize>(&mut self, systems: [S; SIZE], data: T) {
+//     for system in systems {
+//       self.run_with_data(system, data);
+//     }
+//   }
+// }

kubi/src/world.rs

@@ -18,6 +18,8 @@ use chunk::{Chunk, ChunkMesh, CHUNK_SIZE};
 use tasks::ChunkTaskManager;
 use queue::BlockUpdateQueue;
 
+///XXX: This is no longer required (`wgpu::Buffer` is `Send` + `Sync` unlike glium `IndexBuffer`/`VertexBuffer`)
+///but I'd rather keep it as it will make switching to indirect drawing easier.
 #[derive(Default, Unique)]
 pub struct ChunkStorage {
   pub chunks: HashMap<IVec3, Chunk>

kubi/src/world/chunk.rs

@@ -14,6 +14,7 @@ impl ChunkData {
 pub struct ChunkMesh {
   pub vertex_buffer: wgpu::Buffer,
   pub index_buffer: wgpu::Buffer,
+  pub idx_count: u32,
 }
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Default)]

kubi/src/world/loading.rs

@@ -251,6 +251,7 @@ fn process_completed_tasks(
         let mesh = ChunkMesh {
           vertex_buffer,
           index_buffer,
+          idx_count: indexes.len() as u32
         };
         if let Some(index) = chunk.mesh_index {
           meshes.update(index, mesh).expect("Mesh update failed");

kubi/src/world/mesh/builder.rs

@@ -108,7 +108,7 @@ impl MeshBuilder {
       self.vertex_buffer.push(ChunkVertex {
         position: (coord + vert[i]).to_array(),
         normal: norm.to_array(),
-        uv: UV_COORDS[i],
+        tex_coords: UV_COORDS[i],
         tex_index: texture
       });
     }
@@ -131,7 +131,7 @@ impl MeshBuilder {
       self.vertex_buffer.push(ChunkVertex {
         position: (coord.as_vec3() + vertices[i]).to_array(),
         normal: normal_front,
-        uv: UV_COORDS[i],
+        tex_coords: UV_COORDS[i],
         tex_index: front_texture
       })
     }
@@ -139,7 +139,7 @@ impl MeshBuilder {
       self.vertex_buffer.push(ChunkVertex {
         position: (coord.as_vec3() + vertices[i]).to_array(),
         normal: normal_back,
-        uv: UV_COORDS[i],
+        tex_coords: UV_COORDS[i],
         tex_index: back_texture
       })
     }