LTCGI

Author: z3y

Editor/ShaderGUI/SimpleLitGUI.cs

@@ -72,6 +72,8 @@ public class SimpleLitGUI : ShaderGUI
         private MaterialProperty _QueueOffset = null;
         private MaterialProperty _AudioLinkEmission = null;
         private MaterialProperty _TextureIndex;
+        private MaterialProperty _LTCGI = null;
+        private MaterialProperty _LTCGI_DIFFUSE_OFF = null;
         #endregion
 
         private void DrawProperties(Material material, MaterialEditor me)
@@ -101,6 +103,17 @@ private void DrawRenderingOptions(Material material, MaterialEditor me)
             Prop(_SpecularOcclusion);
             EditorGUILayout.Space();
 
+
+#if LTCGI_INCLUDED
+            EditorGUILayout.Space();
+            Prop(_LTCGI);
+            Prop(_LTCGI_DIFFUSE_OFF);
+#else
+            _LTCGI.floatValue = 0.0f;
+            material.DisableKeyword("LTCGI");
+#endif
+
+
 #if BAKERY_INCLUDED
             Prop(Bakery);
             if (Bakery.floatValue != 0)
@@ -384,7 +397,6 @@ private void ApplyChanges(MaterialEditor materialEditor, Material mat)
             var samplingMode = _Texture.floatValue;
             mat.ToggleKeyword("_TEXTURE_ARRAY", samplingMode == 1 || samplingMode == 2);
 
-            
             mat.ToggleKeyword("AUDIOLINK", _AudioLinkEmission.floatValue != 1000);
 
 

Shaders/Simple Lit/CoreCGI.cginc

@@ -311,6 +311,21 @@ half4 frag (v2f i, uint facing : SV_IsFrontFace) : SV_Target
 
     #endif
 
+    #ifdef LTCGI
+            float2 ltcgi_lmuv;
+    #if defined(LIGHTMAP_ON)
+            ltcgi_lmuv = i.coord0.zw;
+            indirectDiffuse = max(0, indirectDiffuse);
+    #else
+            ltcgi_lmuv = float2(0, 0);
+    #endif
+            LTCGI_Contribution(i.worldPos, worldNormal, viewDir, surf.perceptualRoughness, ltcgi_lmuv, indirectDiffuse
+    #ifndef SPECULAR_HIGHLIGHTS_OFF
+                , directSpecular
+    #endif
+            );
+    #endif
+
 
     #if defined(UNITY_PASS_FORWARDBASE)
         #if !defined(REFLECTIONS_OFF)
@@ -373,6 +388,8 @@ half4 frag (v2f i, uint facing : SV_IsFrontFace) : SV_Target
         return float4(UnityMetaFragment(metaInput).rgb, surf.alpha);
     #endif
 
+    
+
     UNITY_APPLY_FOG(i.fogCoord, finalColor);
 
     return finalColor;

Shaders/Simple Lit/Defines.cginc

@@ -12,6 +12,7 @@
     #undef HEMIOCTAHEDRON_DECODING
     #undef BICUBIC_LIGHTMAP
     #undef BAKERY_BICUBIC
+    #undef LTCGI
 #endif
 
 #ifdef UNITY_PASS_META
@@ -29,6 +30,13 @@
     #endif
 #endif
 
+#ifdef LTCGI
+    #ifdef SPECULAR_HIGHLIGHTS_OFF
+        #define LTCGI_SPECULAR_OFF
+    #endif
+#include "Assets/_pi_/_LTCGI/Shaders/LTCGI.cginc"
+#endif
+
 
 #if defined(BAKERY_SH) || defined(BAKERY_RNM) || defined(BAKERY_VOLUME)
 

Shaders/Simple Lit/Simple Lit.shader

@@ -73,6 +73,11 @@
         [Toggle(BAKEDSPECULAR)] _BakedSpecular ("Baked Specular ", Int) = 0
         [Toggle(NONLINEAR_LIGHTPROBESH)] _NonLinearLightProbeSH("Non-linear Light Probe SH", Int) = 0
 
+        [Toggle(LTCGI)] _LTCGI("LTCGI", Int) = 0
+        [Toggle(LTCGI_DIFFUSE_OFF)] _LTCGI_DIFFUSE_OFF("LTCGI Disable Diffuse", Int) = 0
+        _LTCGI_mat("LTC Mat", 2D) = "black" {}
+        _LTCGI_amp("LTC Amp", 2D) = "black" {}
+
         [Enum(UnityEngine.Rendering.BlendMode)] _SrcBlend ("Source Blend", Int) = 1
         [Enum(UnityEngine.Rendering.BlendMode)] _DstBlend ("Destination Blend", Int) = 0
         [Enum(Off, 0, On, 1)] _ZWrite ("ZWrite", Int) = 1
@@ -112,7 +117,7 @@
         #pragma skip_variants LOD_FADE_CROSSFADE
         ENDCG
 
-        Tags { "RenderType"="Opaque" "Queue"="Geometry" }
+        Tags { "RenderType"="Opaque" "Queue"="Geometry" "LTCGI" = "_LTCGI" }
 
         Pass
         {
@@ -136,7 +141,6 @@
             #pragma shader_feature_local SPECULAR_HIGHLIGHTS_OFF
             #pragma shader_feature_local REFLECTIONS_OFF
             #pragma shader_feature_local EMISSION
-            #pragma shader_feature_local AUDIOLINK
             #pragma shader_feature_local BAKEDSPECULAR
             #pragma shader_feature_local PARALLAX
             #pragma shader_feature_local GEOMETRIC_SPECULAR_AA
@@ -148,6 +152,10 @@
             #pragma shader_feature_local _DETAILALBEDO_MAP
             #pragma shader_feature_local _DETAILNORMAL_MAP
 
+            #pragma shader_feature_local AUDIOLINK
+            #pragma shader_feature_local LTCGI
+            #pragma shader_feature_local LTCGI_DIFFUSE_OFF
+
             #include "PassCGI.cginc"
             ENDCG
         }
@@ -181,6 +189,7 @@
             #pragma shader_feature_local _NORMAL_MAP
             #pragma shader_feature_local _DETAILALBEDO_MAP
             #pragma shader_feature_local _DETAILNORMAL_MAP
+            
 
 
             #include "PassCGI.cginc"