From 51930cd07ac1a17a05b9848ac8d6639170b3d571 Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Mon, 23 Mar 2026 23:28:16 -0700
Subject: Tweaks - do premultiplied alpha, add a [branch], adjust slider limits

---
 3ner.cginc  | 1 +
 3ner.shader | 6 +++---
 brdf.cginc  | 4 +++-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/3ner.cginc b/3ner.cginc
index b3bbf45..13ab7fa 100755
--- a/3ner.cginc
+++ b/3ner.cginc
@@ -311,6 +311,7 @@ float4 frag(v2f i, uint facing : SV_IsFrontFace
 
   Pbr pbr = getPbr(i);
 
+  [branch]
   if (_Mode == 1) {
     clip(pbr.albedo.a - 0.5);
   }
diff --git a/3ner.shader b/3ner.shader
index 6af7ec8..b2ae500 100755
--- a/3ner.shader
+++ b/3ner.shader
@@ -516,7 +516,7 @@ Shader "yum_food/3ner"
           [HideInInspector] m_start_Matcap0("Matcap 0", Float) = 0
             [ThryToggle(_MATCAP0)] _Matcap0_Enabled("Enable", Float) = 0
             _Matcap0("Matcap", 2D) = "white" {}
-            _Matcap0_Strength("Strength", Range(0, 10)) = 1
+            _Matcap0_Strength("Strength", Range(-10, 10)) = 1
             [ThryWideEnum(Replace, 0, Add, 1, Multiply, 2, Subtract, 3, Add Product, 4)] _Matcap0_Mode("Mode", Int) = 0
             [Toggle] _Matcap0_Invert("Invert", Float) = 0
 
@@ -540,7 +540,7 @@ Shader "yum_food/3ner"
           [HideInInspector] m_start_Matcap1("Matcap 1", Float) = 0
             [ThryToggle(_MATCAP1)] _Matcap1_Enabled("Enable", Float) = 0
             _Matcap1("Matcap", 2D) = "white" {}
-            _Matcap1_Strength("Strength", Range(0, 10)) = 1
+            _Matcap1_Strength("Strength", Range(-10, 10)) = 1
             [ThryWideEnum(Replace, 0, Add, 1, Multiply, 2, Subtract, 3, Add Product, 4)] _Matcap1_Mode("Mode", Int) = 0
             [Toggle] _Matcap1_Invert("Invert", Float) = 0
 
@@ -565,7 +565,7 @@ Shader "yum_food/3ner"
           //ifex _Rim_Lighting0_Enabled==0
           [HideInInspector] m_start_Rim_Lighting0("Rim Lighting 0", Float) = 0
             [ThryToggle(_RIM_LIGHTING0)] _Rim_Lighting0_Enabled("Enable", Float) = 0
-            _Rim_Lighting0_Color("Color", Color) = (1, 1, 1, 1)
+            [HDR] _Rim_Lighting0_Color("Color", Color) = (1, 1, 1, 1)
             _Rim_Lighting0_Center("Center", Range(0, 1)) = 1
             _Rim_Lighting0_Blur("Blur", Range(0, 1)) = 0.1
             [ThryWideEnum(Replace, 0, Add, 1, Multiply, 2, Subtract, 3, Add Product, 4)] _Rim_Lighting0_Mode("Mode", Int) = 1
diff --git a/brdf.cginc b/brdf.cginc
index 38aec90..4081d49 100755
--- a/brdf.cginc
+++ b/brdf.cginc
@@ -250,7 +250,9 @@ float4 brdf(Pbr pbr, LightData data, out BrdfData bd) {
 #else
   float3 emission = 0;
 #endif
-  return float4(diffuse + specular + emission, pbr.albedo.a);
+  float4 lit = float4(diffuse + specular + emission, pbr.albedo.a);
+  // Scale albedo by alpha.
+  return float4(lit.rgb * lit.a, lit.a);
 }
 
 #endif  // __BRDF_INC
-- 
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