feat: Main shader detailMap A & B

Assets/_Content/Shaders/EnkiBillal/Include/EnkiBiIal.hlsl

@@ -54,15 +54,15 @@ float GetShadow(float3 PositionWS)
 void GetDetailLOD
 (
     float Depth,
-    float DetailSize,
+    float DetailSizeA,
     float LODJitter,
-    out float DetailSizeA,
-    out float DetailSizeB,
+    out float DetailSizeAA,
+    out float DetailSizeAB,
     out float LODBlend
 )
 {
     const float lodRatio = 4;
-    const float lodSize = DetailSize / lodRatio * 2;
+    const float lodSize = DetailSizeA / lodRatio * 2;
 
     float dist = max(Depth, 1e-5);
     float lod = log(dist) / log(lodRatio) + LODJitter; // log2(dist);
@@ -72,8 +72,8 @@ void GetDetailLOD
 
     LODBlend = lodFrac * lodFrac * (3 - 2 * lodFrac);
 
-    DetailSizeA = lodSize * pow(lodRatio, lodFloor);
-    DetailSizeB = lodSize * pow(lodRatio, lodFloor + 1);
+    DetailSizeAA = lodSize * pow(lodRatio, lodFloor);
+    DetailSizeAB = lodSize * pow(lodRatio, lodFloor + 1);
 }
 
 float4 SampleBombedTexture
@@ -201,7 +201,7 @@ float4 SampleProjectedDetailLOD
     float3 PositionOS,
     float3 NormalOS,
     float ProjectionBlend,
-    float DetailSize,
+    float DetailSizeA,
     float Depth
 )
 {
@@ -225,30 +225,30 @@ float4 SampleProjectedDetailLOD
 
         float lodJitter = (Hash1From2D(floor(projections.uv[i] * lodJitterSize) + i * 17.13) - .5) * lodJitterStrength;
 
-        float detailSizeA;
-        float detailSizeB;
+        float DetailSizeAA;
+        float DetailSizeAB;
         float lodBlend;
 
         GetDetailLOD
         (
             Depth,
-            DetailSize,
+            DetailSizeA,
             lodJitter,
-            detailSizeA,
-            detailSizeB,
+            DetailSizeAA,
+            DetailSizeAB,
             lodBlend
         );
 
         float4 detailA = SampleBombedTexture
         (
             DetailTex,
-            projections.uv[i] / detailSizeA
+            projections.uv[i] / DetailSizeAA
         );
 
         float4 detailB = SampleBombedTexture
         (
             DetailTex,
-            projections.uv[i] / detailSizeB
+            projections.uv[i] / DetailSizeAB
         );
 
         detail += lerp(detailA, detailB, lodBlend) * mask;
@@ -261,12 +261,16 @@ float4 SampleProjectedDetailLOD
 void EnkiBillal_float
 (
     float4 Color,
-    UnityTexture2D DetailTex,
+    UnityTexture2D DetailTexA,
+    UnityTexture2D DetailTexB,
     float2 ScreenUV,
     float3 PositionWS,
     float3 NormalWS,
     float ProjectionsBlend,
-    float DetailSize,
+    float DetailIntensityA,
+    float DetailIntensityB,
+    float DetailSizeA,
+    float DetailSizeB,
     uint FogUse,
     float4 FogColor,
     float FogMin,
@@ -294,25 +298,38 @@ void EnkiBillal_float
 
     // Detail
     
-    float4 detail = SampleProjectedDetailLOD
+    float4 detailA = SampleProjectedDetailLOD
     (
-        DetailTex,
+        DetailTexA,
         positionOS,
         normalOS,
         ProjectionsBlend,
-        DetailSize,
+        DetailSizeA,
         depth
     
     );
     
-    float detailMask = smoothstep(0, .8, detail.a);
+    float4 detailB = SampleProjectedDetailLOD
+    (
+        DetailTexB,
+        positionOS,
+        normalOS,
+        ProjectionsBlend,
+        DetailSizeB,
+        depth
+    
+    );
+    
+    float detailMaskA = smoothstep(0, .8, detailA.a);
+    float detailMaskB = smoothstep(0, .8, detailB.a);
     
     // Fog
     
     // Output
     
     Output = Color.rgb;
-    Output = lerp(Output.rgb, detail.rgb, detailMask);
+    Output = lerp(Output.rgb, detailA.rgb, detailMaskA * DetailIntensityA);
+    Output = lerp(Output.rgb, detailB.rgb, detailMaskB * DetailIntensityB);
     
     if (FogUse)
     {