add clearcoat mask

4 files changed, 22 insertions, 1 deletions

diff --git a/3ner.shader b/3ner.shader
index 14340e6..11f7d87 100644
--- a/3ner.shader
+++ b/3ner.shader
@@ -300,6 +300,13 @@ Shader "yum_food/3ner"
           [ThryToggle(_CLEARCOAT)] _Clearcoat_Enabled("Enable", Float) = 0
           _Clearcoat_Strength("Strength", Range(0, 1)) = 0
           _Clearcoat_Roughness("Roughness", Range(0, 1)) = 0
+
+          //ifex _Clearcoat_Mask_Enabled==0
+          [HideInInspector] m_start_Clearcoat_Mask("Clearcoat Mask", Float) = 0
+            [ThryToggle(_CLEARCOAT_MASK)] _Clearcoat_Mask_Enabled("Enable", Float) = 0
+            _Clearcoat_Mask("Mask", 2D) = "white" {}
+          [HideInInspector] m_end_Clearcoat_Mask("Clearcoat Mask", Float) = 0
+          //endex
         [HideInInspector] m_end_Clearcoat("Clearcoat", Float) = 0
         //endex
 
diff --git a/features.cginc b/features.cginc
index 1cd6a17..8eec291 100644
--- a/features.cginc
+++ b/features.cginc
@@ -19,6 +19,10 @@
 #pragma shader_feature_local _CLEARCOAT
 //endex
 
+//ifex _Clearcoat_Mask_Enabled==0
+#pragma shader_feature_local _CLEARCOAT_MASK
+//endex
+
 //ifex _Cloth_Sheen_Enabled==0
 #pragma shader_feature_local _CLOTH_SHEEN
 //endex
diff --git a/globals.cginc b/globals.cginc
index 5f8f684..063b047 100644
--- a/globals.cginc
+++ b/globals.cginc
@@ -54,6 +54,12 @@ float _Clearcoat_Strength;
 float _Clearcoat_Roughness;
 #endif  // _CLEARCOAT
 
+#if defined(_CLEARCOAT_MASK)
+texture2D _Clearcoat_Mask;
+float4 _Clearcoat_Mask_ST;
+float _Clearcoat_Mask_Strength;
+#endif  // _CLEARCOAT_MASK
+
 #if defined(_CLOTH_SHEEN)
 float _Cloth_Sheen_Strength;
 float3 _Cloth_Sheen_Color;
diff --git a/lighting.cginc b/lighting.cginc
index 17f1a0a..8276b8c 100644
--- a/lighting.cginc
+++ b/lighting.cginc
@@ -163,6 +163,10 @@ void GetLighting(v2f i, Pbr pbr, out LightData data) {
 
 	float3 view_dir = normalize(i.eyeVec.xyz);
 
+#if defined(_CLEARCOAT_MASK)
+    float cc_mask = _Clearcoat_Mask.Sample(bilinear_clamp_s, i.uv01.xy).r;
+#endif
+
 	data.common.V = -view_dir;
 	data.common.N = pbr.normal;
   data.common.NoV = saturate(dot(pbr.normal, data.common.V));
@@ -205,7 +209,7 @@ void GetLighting(v2f i, Pbr pbr, out LightData data) {
 	data.indirect.diffuse = getIndirectDiffuse(i, pbr, data.indirect);
 	data.indirect.specular = getIndirectSpecular(i, pbr.roughness, view_dir, data.indirect.dir);
 #if defined(_CLEARCOAT)
-  data.indirect.specular_cc = getIndirectSpecular(i, pbr.cc_roughness, view_dir, dir_cc);
+  data.indirect.specular_cc = getIndirectSpecular(i, pbr.cc_roughness, view_dir, dir_cc) * cc_mask;
 #endif
 }