XiuXianGame/Assets/Include/CustomLighting.hlsl

void MainLight_half(float3 WorldPos, out half3 Direction, out half3 Color, out half DistanceAtten, out half ShadowAtten,out half3 SkyColor)

{

#if SHADERGRAPH_PREVIEW

   Direction = half3(0.5, 0.5, 0);
   SkyColor=0;
   Color = 1;

   DistanceAtten = 1;

   ShadowAtten = 1;

#else

#if SHADOWS_SCREEN

   half4 clipPos = TransformWorldToHClip(WorldPos);

   half4 shadowCoord = ComputeScreenPos(clipPos);

#else

   half4 shadowCoord = TransformWorldToShadowCoord(WorldPos);

#endif

   Light mainLight = GetMainLight(shadowCoord);

   Direction = mainLight.direction;

   Color = mainLight.color;
   SkyColor=SHADERGRAPH_AMBIENT_SKY;
   DistanceAtten = mainLight.distanceAttenuation;

   ShadowAtten = mainLight.shadowAttenuation;

#endif

}