jsoulier · jsoulier · Jul 19, 2026 · Jul 18, 2026 · Jul 18, 2026 · Jul 18, 2026
diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -1,3 +1,3 @@
 {
-    "cmake.parallelJobs": 8
+    "cmake.parallelJobs": 8,
 }
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -27,10 +27,14 @@ add_executable(blocks WIN32
     src/rand.c
     src/save.c
     src/shader.c
+    src/sky.c
+    src/sort.c
     src/voxel.c
+    src/worker.c
     src/world.c
 )
 set_target_properties(blocks PROPERTIES C_STANDARD 11)
+target_compile_definitions(blocks PRIVATE SDL_ASSERT_LEVEL=$<IF:$<CONFIG:Debug>,3,0>)
 target_include_directories(blocks PUBLIC lib/jsmn)
 target_include_directories(blocks PUBLIC lib/sqlite3)
 target_include_directories(blocks PUBLIC lib/stb)
@@ -86,19 +90,13 @@ function(add_shader FILE)
     endif()
     package(${JSON})
 endfunction()
-add_shader(blur.comp shaders/shader.hlsl src/voxel.inc)
-add_shader(composite.comp shaders/shader.hlsl src/voxel.inc)
-add_shader(depth.frag shaders/shader.hlsl src/voxel.inc)
-add_shader(depth.vert shaders/shader.hlsl src/voxel.inc)
+add_shader(hud.frag)
+add_shader(hud.vert)
 add_shader(opaque.frag shaders/shader.hlsl src/voxel.inc)
 add_shader(opaque.vert shaders/shader.hlsl src/voxel.inc)
 add_shader(raycast.frag shaders/shader.hlsl src/voxel.inc)
 add_shader(raycast.vert shaders/shader.hlsl src/voxel.inc)
-add_shader(shadow.frag shaders/shader.hlsl src/voxel.inc)
-add_shader(shadow.vert shaders/shader.hlsl src/voxel.inc)
 add_shader(sky.frag shaders/shader.hlsl src/voxel.inc)
 add_shader(sky.vert shaders/shader.hlsl src/voxel.inc)
-add_shader(ssao.comp shaders/shader.hlsl src/voxel.inc)
 add_shader(transparent.frag shaders/shader.hlsl src/voxel.inc)
 add_shader(transparent.vert shaders/shader.hlsl src/voxel.inc)
-add_shader(ui.comp shaders/shader.hlsl src/voxel.inc)
diff --git a/README.md b/README.md
@@ -1,6 +1,7 @@
 # Blocks
 
-![](image.png)
+![](doc/image1.png)
+![](doc/image2.png)
 
 Tiny Minecraft clone in C and HLSL using the new SDL3 GPU API
 
@@ -10,9 +11,9 @@ Tiny Minecraft clone in C and HLSL using the new SDL3 GPU API
 - Asynchronous chunk loading
 - Persistent worlds
 - Physics
-- Directional shadows
-- Clustered dynamic lighting
 - Blocks and sprites
+- Basic lighting
+- Day and night cycle
 
 ### Building
 
@@ -59,16 +60,4 @@ To build locally, add [SDL_shadercross](https://github.com/libsdl-org/SDL_shader
 - `Scroll` to change blocks
 - `F11` to toggle fullscreen
 - `LControl` to sprint
-
-### Passes
-
-1. Render opaques to depth texture (for shadows)
-2. Render sky to G-buffer
-3. Render opaques to G-buffer
-4. Calculate SSAO
-5. Blur SSAO
-6. Composite G-buffer
-7. Render transparents to depth teture (for predepth)
-8. Render transparents and composite
-9. Render raycast
-10. Render UI
+- `T` to reset the time of day
diff --git a/doc/image1.png b/doc/image1.png
diff --git a/doc/image2.png b/doc/image2.png
diff --git a/image.png b/image.png
diff --git a/lib/SDL b/lib/SDL
diff --git a/shaders/bin/blur.comp.json b/shaders/bin/blur.comp.json
diff --git a/shaders/bin/blur.comp.msl b/shaders/bin/blur.comp.msl
diff --git a/shaders/bin/blur.comp.spv b/shaders/bin/blur.comp.spv
diff --git a/shaders/bin/composite.comp.json b/shaders/bin/composite.comp.json
diff --git a/shaders/bin/composite.comp.msl b/shaders/bin/composite.comp.msl
diff --git a/shaders/bin/composite.comp.spv b/shaders/bin/composite.comp.spv
diff --git a/shaders/bin/depth.frag.json b/shaders/bin/depth.frag.json
diff --git a/shaders/bin/depth.frag.msl b/shaders/bin/depth.frag.msl
diff --git a/shaders/bin/depth.frag.spv b/shaders/bin/depth.frag.spv
diff --git a/shaders/bin/depth.vert.json b/shaders/bin/depth.vert.json
diff --git a/shaders/bin/depth.vert.msl b/shaders/bin/depth.vert.msl
diff --git a/shaders/bin/depth.vert.spv b/shaders/bin/depth.vert.spv
diff --git a/shaders/bin/hud.frag.json b/shaders/bin/hud.frag.json
@@ -0,0 +1 @@
+{ "samplers": 1, "storage_textures": 0, "storage_buffers": 0, "uniform_buffers": 1, "inputs": [{ "name": "in.var.TEXCOORD0", "type": "float2", "location": 0 }, { "name": "in.var.TEXCOORD1", "type": "uint", "location": 1 }], "outputs": [{ "name": "out.var.SV_Target0", "type": "float4", "location": 0 }] }
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		{ "samplers": 1, "storage_textures": 0, "storage_buffers": 0, "uniform_buffers": 1, "inputs": [{ "name": "in.var.TEXCOORD0", "type": "float2", "location": 0 }, { "name": "in.var.TEXCOORD1", "type": "uint", "location": 1 }], "outputs": [{ "name": "out.var.SV_Target0", "type": "float4", "location": 0 }] }