From 3f768a8318b3f103c04f59c99ff6a10df5e69a7b Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Sun, 5 May 2024 15:42:25 +0200
Subject: [PATCH] do rpass in world.rs

---
 kubi/src/rendering.rs       | 25 +++++++++++++++++++------
 kubi/src/rendering/world.rs | 24 +++++++++++++++++++-----
 kubi/src/world/loading.rs   |  4 ++++
 3 files changed, 42 insertions(+), 11 deletions(-)

diff --git a/kubi/src/rendering.rs b/kubi/src/rendering.rs
index 33a052a..843e93b 100644
--- a/kubi/src/rendering.rs
+++ b/kubi/src/rendering.rs
@@ -14,12 +14,20 @@ pub mod sumberge;
 
 pub struct BufferPair {
   pub index: wgpu::Buffer,
+  pub index_len: u32,
   pub vertex: wgpu::Buffer,
+  pub vertex_len: u32,
 }
 
 #[derive(Unique)]
 pub struct BackgroundColor(pub Vec3);
 
+pub struct RenderCtx<'a> {
+  pub renderer: &'a Renderer,
+  pub encoder: &'a mut wgpu::CommandEncoder,
+  pub surface_view: &'a wgpu::TextureView,
+}
+
 pub fn render_master(storages: AllStoragesViewMut) {
   let renderer = storages.borrow::<UniqueView<Renderer>>().unwrap();
 
@@ -29,11 +37,10 @@ pub fn render_master(storages: AllStoragesViewMut) {
   let surface_texture = renderer.surface().get_current_texture().unwrap();
   let surface_view = surface_texture.texture.create_view(&wgpu::TextureViewDescriptor::default());
 
-  //Main in-game render pass
-  if storages.run(is_ingame) {
+  {
     let bg = storages.borrow::<UniqueView<BackgroundColor>>().unwrap().0;
-    let mut render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
-      label: Some("main0_pass"),
+    let _render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
+      label: Some("rpass_background"),
       color_attachments: &[Some(wgpu::RenderPassColorAttachment {
         view: &surface_view,
         resolve_target: None,
@@ -50,10 +57,16 @@ pub fn render_master(storages: AllStoragesViewMut) {
       depth_stencil_attachment: None,
       ..Default::default()
     });
+  }
 
-    let data = (&mut render_pass, &*renderer);
+  let mut data = RenderCtx {
+    renderer: &renderer,
+    encoder: &mut encoder,
+    surface_view: &surface_view,
+  };
 
-    storages.run_with_data(world::draw_world, data);
+  if storages.run(is_ingame) {
+    storages.run_with_data(world::draw_world, &mut data);
   }
 
   renderer.queue().submit(std::iter::once(encoder.finish()));
diff --git a/kubi/src/rendering/world.rs b/kubi/src/rendering/world.rs
index 96fd83c..17d20ec 100644
--- a/kubi/src/rendering/world.rs
+++ b/kubi/src/rendering/world.rs
@@ -9,7 +9,7 @@ use crate::{
   settings::GameSettings,
   world::{ChunkMeshStorage, ChunkStorage},
 };
-use super::Renderer;
+use super::{RenderCtx, Renderer};
 
 #[derive(Clone, Copy, Pod, Zeroable)]
 #[repr(C, packed)]
@@ -41,7 +41,7 @@ pub fn init_trans_chunk_queue(storages: AllStoragesView) {
 }
 
 pub fn draw_world(
-  (render_pass, renderer): (&mut wgpu::RenderPass, &Renderer),
+  ctx: &mut RenderCtx,
   textures: UniqueView<TexturePrefabs>,
   chunks: UniqueView<ChunkStorage>,
   meshes: NonSendSync<UniqueView<ChunkMeshStorage>>,
@@ -53,6 +53,19 @@ pub fn draw_world(
   let camera = camera.iter().next().expect("No cameras in the scene");
   let camera_matrix = camera.view_matrix * camera.perspective_matrix;
 
+  let mut render_pass = ctx.encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
+    label: Some("draw_world"),
+    color_attachments: &[Some(wgpu::RenderPassColorAttachment {
+      view: ctx.surface_view,
+      resolve_target: None,
+      ops: wgpu::Operations {
+        load: wgpu::LoadOp::Load,
+        store: wgpu::StoreOp::Store,
+      },
+    })],
+    ..Default::default()
+  });
+
   for (&position, chunk) in &chunks.chunks {
     if let Some(key) = chunk.mesh_index {
       let mesh = meshes.get(key).expect("Mesh index pointing to nothing");
@@ -73,9 +86,10 @@ pub fn draw_world(
       //Draw chunk mesh
       if mesh.main.index.size() > 0 {
         //TODO
-        // render_pass.set_index_buffer(mesh.main.index.slice(..), wgpu::IndexFormat::Uint32);
-        // render_pass.set_vertex_buffer(0, mesh.main.vertex.slice(..));
-        // render_pass.set_bind_group(0, &textures.block_diffuse_bind_group, &[]);
+        render_pass.set_index_buffer(mesh.main.index.slice(..), wgpu::IndexFormat::Uint32);
+        render_pass.set_vertex_buffer(0, mesh.main.vertex.slice(..));
+        render_pass.set_bind_group(0, &textures.block_diffuse_bind_group, &[]);
+        render_pass.draw_indexed(0..mesh.main.index_len, 0, 0..1);
       }
 
       //TODO trans chunks
diff --git a/kubi/src/world/loading.rs b/kubi/src/world/loading.rs
index 48be8d1..6037473 100644
--- a/kubi/src/world/loading.rs
+++ b/kubi/src/world/loading.rs
@@ -355,12 +355,16 @@ fn process_completed_tasks(
 
         let main_buffer_pair = BufferPair {
           vertex: vtx_buffer,
+          vertex_len: vertices.len() as u32,
           index: idx_buffer,
+          index_len: indices.len() as u32,
         };
 
         let trans_buffer_pair = BufferPair {
           vertex: vtx_buffer_trans,
+          vertex_len: vertices.len() as u32,
           index: idx_buffer_trans,
+          index_len: indices.len() as u32,
         };
 
         let mesh = ChunkMesh {