From 0aa2636033ce27156c387b5cfbb19ed4ca29d12a Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Mon, 20 Jul 2026 18:19:07 -0700
Subject: Clanker light volumes fixes

---
 brdf.cginc     | 14 +++++++++++++-
 lighting.cginc |  2 +-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/brdf.cginc b/brdf.cginc
index 75eb295..22e0de9 100755
--- a/brdf.cginc
+++ b/brdf.cginc
@@ -7,6 +7,7 @@
 #include "pema99.cginc"
 #include "pbr.cginc"
 #include "glitter.cginc"
+#include "poi.cginc"
 
 float pow5(float x) {
   float x2 = x * x;
@@ -284,9 +285,20 @@ float4 brdf(v2f i, Pbr pbr, LightData data, out BrdfData bd) {
   {
     [branch]
     if (_UdonLightVolumeEnabled) {
-      specular += LightVolumeSpecular(pbr.albedo.xyz, pbr.smoothness,
+      float3 light_volume_specular = LightVolumeSpecular(pbr.albedo.xyz, pbr.smoothness,
           pbr.metallic, pbr.normal, data.common.V, data.indirect.L00,
           data.indirect.L01r, data.indirect.L01g, data.indirect.L01b);
+
+#if defined(_BRIGHTNESS_CLAMP)
+      float3 light_volume_specular_hsv = RGBtoHSV(light_volume_specular);
+      light_volume_specular_hsv[2] = clamp(light_volume_specular_hsv[2], 0, _Brightness_Clamp_Max);
+      light_volume_specular = HSVtoRGB(light_volume_specular_hsv);
+#endif
+#if defined(_BRIGHTNESS_MULTIPLIER)
+      light_volume_specular *= _Brightness_Multiplier;
+#endif
+
+      specular += light_volume_specular;
     }
   }
 #endif
diff --git a/lighting.cginc b/lighting.cginc
index db9cee0..835613e 100755
--- a/lighting.cginc
+++ b/lighting.cginc
@@ -144,7 +144,7 @@ float4 getIndirectDiffuse(v2f i, Pbr pbr, inout LightData light) {
 #if defined(_BENT_NORMALS)
   diffuse.xyz += max(0, yumSH9(float4(pbr.bent_normal, 1.0), i.worldPos, light.indirect));
 #else
-  diffuse.xyz += max(0, yumSH9(float4(i.normal, 1.0), i.worldPos, light.indirect));
+  diffuse.xyz += max(0, yumSH9(float4(pbr.normal, 1.0), i.worldPos, light.indirect));
 #endif
 #endif
 
-- 
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