#ifndef INPUT_LUXLWRP_BASE_INCLUDED
#define INPUT_LUXLWRP_BASE_INCLUDED

    #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
//  defines a bunch of helper functions (like lerpwhiteto)
    #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/CommonMaterial.hlsl"  
//  defines SurfaceData, textures and the functions Alpha, SampleAlbedoAlpha, SampleNormal, SampleEmission
    #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/SurfaceInput.hlsl"
//  defines e.g. "DECLARE_LIGHTMAP_OR_SH"
    #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
 
    #include "../Includes/Lux URP Skin Lighting.hlsl"

    #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
    #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/UnityInstancing.hlsl"


//  Material Inputs
    CBUFFER_START(UnityPerMaterial)

        half4  _BaseColor;
        half4 _SpecularColor;

        float4 _BaseMap_ST;
        half _Smoothness;
        
        half _BumpScale;
        half _Bias;

        half _SkinShadowBias;
        half _SkinShadowSamplingBias;

        half _OcclusionStrength;

        half4 _SubsurfaceColor;
        half _SampleCurvature;
        half _Curvature;        
        float2 _DistanceFade;

        half _TranslucencyPower;
        half _TranslucencyStrength;
        half _ShadowStrength;
        half _MaskByShadowStrength;
        half _Distortion;
        half _AmbientReflectionStrength;

        //#if defined(_RIMLIGHTING)
            half4 _RimColor;
            half _RimPower;
            half _RimMinPower;
            half _RimFrequency;
            half _RimPerPositionFrequency;
        //#endif

    //  Needed by URP 10.1. and depthnormal
        half _Cutoff;
        half _Surface;

        half _Backscatter;
        half _VertexNormal;

    // Custom Inputs
        // Emission
    float3 _EmissionColor;

        // Mask
    float4 _MakeUpMask1_RGB_ST;
    float4 _MakeUpMask2_RGB_ST;
    float4 _Mask1_Rchannel_ColorAmountA;
    float4 _Mask1_Gchannel_ColorAmountA;
    float4 _Mask1_Bchannel_ColorAmountA;
    float4 _Mask1_Achannel_ColorAmountA;
    float4 _Mask2_Rchannel_ColorAmountA;
    float4 _Mask2_Gchannel_ColorAmountA;
    float4 _Mask2_Bchannel_ColorAmountA;

    float4 _Mask1_Rchannel_TextureAmountA_ST;
    float4 _Mask1_Gchannel_TextureAmountA_ST;
    float4 _Mask1_Bchannel_TextureAmountA_ST;
    float4 _Mask1_Achannel_TextureAmountA_ST;
    float4 _Mask2_Rchannel_TextureAmountA_ST;
    float4 _Mask2_Gchannel_TextureAmountA_ST;
    float4 _Mask2_Bchannel_TextureAmountA_ST;

    float4 _EmissionMap_ST;

    //catoon
    float _ToonThesHold;
    float _ToonHardness;
    float4 _SpecColor;
    float _SpecSize;
    float4 _RimLightDir;
    float4 _RimLightColor;
    CBUFFER_END

//  Additional textures
    TEXTURE2D(_SSSAOMap); SAMPLER(sampler_SSSAOMap);

    // Custom Textures

        // Emission  (defined in SurfaceInput.hlsl)
     //TEXTURE2D(_EmissionMap);
     //SAMPLER(sampler_EmissionMap);

    // cloth mask
     TEXTURE2D(_ClothMask1);
     SAMPLER(sampler_ClothMask1);
     TEXTURE2D(_ClothMask2);
     //SAMPLER(sampler_ClothMask2);
     TEXTURE2D(_ClothMask3);
     //SAMPLER(sampler_ClothMask3);

    TEXTURE2D(_MakeUpMask1_RGB);
    SAMPLER(sampler_MakeUpMask1_RGB);
    TEXTURE2D(_MakeUpMask2_RGB);
    SAMPLER(sampler_MakeUpMask2_RGB);

    TEXTURE2D(_Mask1_Rchannel_TextureAmountA);
    SAMPLER(sampler_Mask1_Rchannel_TextureAmountA);
    TEXTURE2D(_Mask1_Gchannel_TextureAmountA);
    SAMPLER(sampler_Mask1_Gchannel_TextureAmountA);
    TEXTURE2D(_Mask1_Bchannel_TextureAmountA);
    SAMPLER(sampler_Mask1_Bchannel_TextureAmountA);
    TEXTURE2D(_Mask1_Achannel_TextureAmountA);
    SAMPLER(sampler_Mask1_Achannel_TextureAmountA);
    TEXTURE2D(_Mask2_Rchannel_TextureAmountA);
    SAMPLER(sampler_Mask2_Rchannel_TextureAmountA);
    TEXTURE2D(_Mask2_Gchannel_TextureAmountA);
    SAMPLER(sampler_Mask2_Gchannel_TextureAmountA);
    TEXTURE2D(_Mask2_Bchannel_TextureAmountA);
    SAMPLER(sampler_Mask2_Bchannel_TextureAmountA);

//  Global Inputs

//  Structs
    struct VertexInput
    {
        float3 positionOS                   : POSITION;
        float3 normalOS                     : NORMAL;
        float4 tangentOS                    : TANGENT;
        float2 texcoord                     : TEXCOORD0;
        float2 lightmapUV                   : TEXCOORD1;
        half4 color                         : COLOR;
        UNITY_VERTEX_INPUT_INSTANCE_ID
    };
    
    struct VertexOutput
    {
        float4 positionCS                   : SV_POSITION;
        float2 uv                           : TEXCOORD0;
        half fade                           : TEXCOORD9;
        #if !defined(UNITY_PASS_SHADOWCASTER) && !defined(DEPTHONLYPASS)
            DECLARE_LIGHTMAP_OR_SH(lightmapUV, vertexSH, 1);
            #if defined(REQUIRES_WORLD_SPACE_POS_INTERPOLATOR)
                float3 positionWS           : TEXCOORD2;
            #endif
            float3 normalWS                 : TEXCOORD3;
            float3 viewDirWS                : TEXCOORD4;
            #ifdef _NORMALMAP
                float4 tangentWS            : TEXCOORD5;
            #endif
            half4 fogFactorAndVertexLight   : TEXCOORD6;
            #if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
                float4 shadowCoord          : TEXCOORD7;
            #endif
        #endif

        UNITY_VERTEX_INPUT_INSTANCE_ID
        UNITY_VERTEX_OUTPUT_STEREO
    };

    struct SurfaceDescription
    {
        half3 albedo;
        half alpha;
        half3 normalTS;
        half3 diffuseNormalTS;
        half3 emission;
        half metallic;
        half3 specular;
        half smoothness;
        half occlusion;
        half translucency;
        half skinMask;
        half curvature;
    };

#endif