Shader "BadDog/URP/BGAreaSpineLit"
{
    Properties
    {
        _Cutoff("Shadow alpha cutoff", Range(0, 1)) = 0.1
        [NoScaleOffset] _MainTex("Main Texture", 2D) = "black" {}
        [Toggle(_STRAIGHT_ALPHA_INPUT)] _StraightAlphaInput("Straight Alpha Texture", Int) = 0
        [Toggle(_ZWRITE)] _ZWrite("Depth Write", Float) = 0.0
        [Toggle(_RECEIVE_SHADOWS)] _ReceiveShadows("Receive Shadows", Int) = 0
        [Toggle(_DOUBLE_SIDED_LIGHTING)] _DoubleSidedLighting("Double-Sided Lighting", Int) = 0
        [MaterialToggle(_LIGHT_AFFECTS_ADDITIVE)] _LightAffectsAdditive("Light Affects Additive", Float) = 0
        [MaterialToggle(_TINT_BLACK_ON)] _TintBlack("Tint Black", Float) = 0
        _Color("    Light Color", Color) = (1, 1, 1, 1)
        _Black("    Dark Color", Color) = (0, 0, 0, 0)
        [MaterialToggle(_ADAPTIVE_PROBE_VOLUMES_PER_PIXEL)] _AdaptiveProbeVolumesPerPixel("APV per Pixel", Float) = 1
        [HideInInspector] _StencilRef("Stencil Reference", Float) = 1.0
        [Enum(UnityEngine.Rendering.CompareFunction)] _StencilComp("Stencil Compare", Float) = 8
    }

    SubShader
    {
        Tags
        {
            "RenderPipeline" = "UniversalPipeline"
            "Queue" = "Transparent"
            "IgnoreProjector" = "True"
            "RenderType" = "Transparent"
        }
        LOD 100

        Cull Off
        ZWrite[_ZWrite]
        Blend One OneMinusSrcAlpha

        Stencil
        {
            Ref[_StencilRef]
            Comp[_StencilComp]
            Pass Keep
        }

        Pass
        {
            Name "ForwardLit"
            Tags { "LightMode" = "UniversalForward" }

            ZWrite[_ZWrite]
            Cull Off
            Blend One OneMinusSrcAlpha

            HLSLPROGRAM
            // Required to compile gles 2.0 with standard srp library
            #pragma prefer_hlslcc gles
            #pragma exclude_renderers d3d11_9x

            // -------------------------------------
            // Universal Pipeline keywords
            #pragma multi_compile _ _MAIN_LIGHT_SHADOWS _MAIN_LIGHT_SHADOWS_CASCADE _MAIN_LIGHT_SHADOWS_SCREEN
            #pragma multi_compile _ _ADDITIONAL_LIGHTS_VERTEX _ADDITIONAL_LIGHTS
            #pragma multi_compile _ _ADDITIONAL_LIGHT_SHADOWS
            #pragma multi_compile _ _SHADOWS_SOFT
            #pragma multi_compile _ _MIXED_LIGHTING_SUBTRACTIVE
            #pragma multi_compile _ _LIGHT_AFFECTS_ADDITIVE
            #pragma multi_compile_fragment _ _LIGHT_COOKIES
            #pragma shader_feature _TINT_BLACK_ON
            #pragma multi_compile_fragment _ _ENABLE_BG_AREA_LIGHTING

            #pragma multi_compile _ _LIGHT_LAYERS
            #if UNITY_VERSION >= 60000100
            #pragma multi_compile _ _CLUSTER_LIGHT_LOOP
            #else
            #pragma multi_compile _ _FORWARD_PLUS
            #endif

            // -------------------------------------
            // Unity defined keywords
            #if UNITY_VERSION >= 60000000
            #pragma multi_compile_fragment _ DEBUG_DISPLAY
            #include_with_pragmas "Packages/com.unity.render-pipelines.universal/ShaderLibrary/ProbeVolumeVariants.hlsl"
            #endif
            #if UNITY_VERSION >= 60000100
            #include_with_pragmas "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Fog.hlsl"
            #else
            #pragma multi_compile_fog
            #endif

            // -------------------------------------
            // GPU Instancing
            #pragma multi_compile_instancing
            #pragma instancing_options renderinglayer

            // -------------------------------------
            // Spine related keywords
            #pragma shader_feature _ _STRAIGHT_ALPHA_INPUT
            #pragma shader_feature _ _DOUBLE_SIDED_LIGHTING
            #pragma shader_feature _RECEIVE_SHADOWS_OFF _RECEIVE_SHADOWS

            #pragma vertex vert
            #pragma fragment frag

            #undef LIGHTMAP_ON

            #define USE_URP
            #define fixed4 half4
            #define fixed3 half3
            #define fixed half

            #define BGAREA_SPINE_PASS_FORWARDLIT
            #include "Packages/com.baddog.rendering.arealight/Shaders/BadDog/BGAreaSpineLitForwardPass.hlsl"
            #undef BGAREA_SPINE_PASS_FORWARDLIT
            ENDHLSL
        }

        Pass
        {
            Name "ShadowCaster"
            Tags { "LightMode" = "ShadowCaster" }

            ZWrite On
            ColorMask 0
            ZTest LEqual
            Cull Off

            HLSLPROGRAM
            // Required to compile gles 2.0 with standard srp library
            #pragma prefer_hlslcc gles
            #pragma exclude_renderers d3d11_9x
            #pragma target 2.0

            // -------------------------------------
            // Material Keywords
            #pragma shader_feature _ALPHATEST_ON

            // -------------------------------------
            // GPU Instancing
            #pragma multi_compile_instancing
            #pragma shader_feature _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A
            #pragma shader_feature _ _DOUBLE_SIDED_LIGHTING

            #pragma vertex ShadowPassVertexSkeletonLit
            #pragma fragment ShadowPassFragmentSkeletonLit

            #define USE_URP
            #define fixed4 half4
            #define fixed3 half3
            #define fixed half

            #define BGAREA_SPINE_PASS_SHADOWCASTER
            #include "Packages/com.baddog.rendering.arealight/Shaders/BadDog/BGAreaSpineLitForwardPass.hlsl"
            #undef BGAREA_SPINE_PASS_SHADOWCASTER
            ENDHLSL
        }

        Pass
        {
            Name "DepthOnly"
            Tags { "LightMode" = "DepthOnly" }

            ZWrite On
            ColorMask R
            Cull Off

            HLSLPROGRAM
            // Required to compile gles 2.0 with standard srp library
            #pragma prefer_hlslcc gles
            #pragma exclude_renderers d3d11_9x

            #pragma vertex DepthOnlyVertex
            #pragma fragment DepthOnlyFragment

            // -------------------------------------
            // Material Keywords
            #pragma shader_feature _ALPHATEST_ON
            #pragma shader_feature _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A

            // -------------------------------------
            // GPU Instancing
            #pragma multi_compile_instancing

            #define USE_URP
            #define fixed4 half4
            #define fixed3 half3
            #define fixed half

            #define BGAREA_SPINE_PASS_DEPTHONLY
            #include "Packages/com.baddog.rendering.arealight/Shaders/BadDog/BGAreaSpineLitForwardPass.hlsl"
            #undef BGAREA_SPINE_PASS_DEPTHONLY
            ENDHLSL
        }

        // This pass is used when drawing to a _CameraNormalsTexture texture
        Pass
        {
            Name "DepthNormals"
            Tags { "LightMode" = "DepthNormals" }

            ZWrite On

            HLSLPROGRAM
            #pragma vertex DepthNormalsVertex
            #pragma fragment DepthNormalsFragment

            // -------------------------------------
            // Material Keywords
            #pragma shader_feature _ALPHATEST_ON
            #pragma shader_feature _ _DOUBLE_SIDED_LIGHTING

            // -------------------------------------
            // Universal Pipeline keywords
            #include_with_pragmas "Packages/com.unity.render-pipelines.universal/ShaderLibrary/RenderingLayers.hlsl"

            // -------------------------------------
            // GPU Instancing
            #pragma multi_compile_instancing

            #define USE_URP
            #define fixed4 half4
            #define fixed3 half3
            #define fixed half

            #define BGAREA_SPINE_PASS_DEPTHNORMALS
            #include "Packages/com.baddog.rendering.arealight/Shaders/BadDog/BGAreaSpineLitForwardPass.hlsl"
            #undef BGAREA_SPINE_PASS_DEPTHNORMALS
            ENDHLSL
        }
    }

    FallBack "Universal Render Pipeline/Unlit"
}