Shader "Hidden/Simulation/URP/Synthetic"
{
    // A standard shader variant that takes the global room properties and applies them to cut out a view into the geometry based on camera location
    Properties
    {
        // Simulation/Legacy/Room X-Ray properties
        _Color ("Color", Color) = (1,1,1,1)
        _MainTex ("Albedo (RGB)", 2D) = "white" {}
        _BumpMap ("Normal Map", 2D) = "bump" {}
        _Glossiness ("Smoothness", Range(0,1)) = 0.5
        _Metallic ("Metallic", Range(0,1)) = 0.0
        [HideInInspector] _Mode ("__mode", Float) = 0.0

        // Specular vs Metallic workflow
        [HideInInspector] _WorkflowMode("WorkflowMode", Float) = 1.0

        [HideInInspector] [MainColor] _BaseColor("Color", Color) = (1,1,1,1)
        [HideInInspector] [MainTexture] _BaseMap("Albedo", 2D) = "white" {}

        [HideInInspector] _Cutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5

        [HideInInspector] _Smoothness("Smoothness", Range(0.0, 1.0)) = 0.5
        [HideInInspector] _SmoothnessTextureChannel("Smoothness texture channel", Float) = 0

        [HideInInspector] _MetallicGlossMap("Metallic", 2D) = "white" {}

        [HideInInspector] _SpecColor("Specular", Color) = (0.2, 0.2, 0.2)
        [HideInInspector] _SpecGlossMap("Specular", 2D) = "white" {}

        [HideInInspector] [ToggleOff] _SpecularHighlights("Specular Highlights", Float) = 1.0
        [HideInInspector] [ToggleOff] _EnvironmentReflections("Environment Reflections", Float) = 1.0

        [HideInInspector] _BumpScale("Scale", Float) = 1.0

        [HideInInspector] _OcclusionStrength("Strength", Range(0.0, 1.0)) = 1.0
        [HideInInspector] _OcclusionMap("Occlusion", 2D) = "white" {}

        [HideInInspector] _EmissionColor("Color", Color) = (0,0,0)
        [HideInInspector] _EmissionMap("Emission", 2D) = "white" {}

        // Blending state
        [HideInInspector] _Surface("__surface", Float) = 0.0
        [HideInInspector] _Blend("__blend", Float) = 0.0
        [HideInInspector] _AlphaClip("__clip", Float) = 0.0
        [HideInInspector] _SrcBlend("__src", Float) = 1.0
        [HideInInspector] _DstBlend("__dst", Float) = 0.0
        [HideInInspector] _ZWrite("__zw", Float) = 1.0
        [HideInInspector] _Cull("__cull", Float) = 2.0

        [HideInInspector] _ReceiveShadows("Receive Shadows", Float) = 1.0
        // Editmode props
        [HideInInspector] _QueueOffset("Queue offset", Float) = 0.0

        // ObsoleteProperties
        [HideInInspector] _GlossMapScale("Smoothness", Float) = 0.0
        [HideInInspector] _GlossyReflections("EnvironmentReflections", Float) = 0.0
    }

    SubShader
    {
        PackageRequirements
        {
            "com.unity.render-pipelines.universal": "12.0"
        }

        // Universal Pipeline tag is required. If Universal render pipeline is not set in the graphics settings
        // this Subshader will fail. One can add a subshader below or fallback to Standard built-in to make this
        // material work with both Universal Render Pipeline and Builtin Unity Pipeline
        Tags{"RenderType" = "Opaque" "RenderPipeline" = "UniversalPipeline" "IgnoreProjector" = "True"}
        LOD 300

        // ------------------------------------------------------------------
        //  Forward pass. Shades all light in a single pass. GI + emission + Fog
        Pass
        {
            // Lightmode matches the ShaderPassName set in UniversalRenderPipeline.cs. SRPDefaultUnlit and passes with
            // no LightMode tag are also rendered by Universal Render Pipeline
            Name "ForwardLit"
            Tags{"LightMode" = "UniversalForward"}

            Blend[_SrcBlend][_DstBlend]
            ZWrite[_ZWrite]

            HLSLPROGRAM
            // Required to compile gles 2.0 with standard SRP library
            // All shaders must be compiled with HLSLcc and currently only gles is not using HLSLcc by default
            #pragma prefer_hlslcc gles
            #pragma exclude_renderers d3d11_9x
            #pragma target 2.0

            // -------------------------------------
            // Material Keywords
            #pragma shader_feature _NORMALMAP
            #pragma shader_feature _ALPHATEST_ON
            #pragma shader_feature _ALPHAPREMULTIPLY_ON
            #pragma shader_feature _EMISSION
            #pragma shader_feature _METALLICSPECGLOSSMAP
            #pragma shader_feature _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A
            #pragma shader_feature _OCCLUSIONMAP

            #pragma shader_feature _SPECULARHIGHLIGHTS_OFF
            #pragma shader_feature _ENVIRONMENTREFLECTIONS_OFF
            #pragma shader_feature _SPECULAR_SETUP
            #pragma shader_feature _RECEIVE_SHADOWS_OFF

            // -------------------------------------
            // Universal Pipeline keywords
            #pragma multi_compile _ _MAIN_LIGHT_SHADOWS
            #pragma multi_compile _ _MAIN_LIGHT_SHADOWS_CASCADE
            #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

            // -------------------------------------
            // Unity defined keywords
            #pragma multi_compile _ DIRLIGHTMAP_COMBINED
            #pragma multi_compile _ LIGHTMAP_ON
            #pragma multi_compile_fog

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

            #pragma vertex LitPassVertex
            #pragma fragment LitPassFragment

            #include "Packages/com.unity.render-pipelines.universal/Shaders/LitInput.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/Shaders/LitForwardPass.hlsl"
            ENDHLSL
        }

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

            ZWrite On
            ZTest LEqual

            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 vertex ShadowPassVertex
            #pragma fragment ShadowPassFragment

            #include "Packages/com.unity.render-pipelines.universal/Shaders/LitInput.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/Shaders/ShadowCasterPass.hlsl"
            ENDHLSL
        }

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

            ZWrite On
            ColorMask 0

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

            #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

            #include "Packages/com.unity.render-pipelines.universal/Shaders/LitInput.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/Shaders/DepthOnlyPass.hlsl"
            ENDHLSL
        }

        Pass
        {
            Name "Universal2D"
            Tags{ "LightMode" = "Universal2D" }

            Blend[_SrcBlend][_DstBlend]
            ZWrite[_ZWrite]

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

            #pragma vertex vert
            #pragma fragment frag
            #pragma shader_feature _ALPHATEST_ON
            #pragma shader_feature _ALPHAPREMULTIPLY_ON

            #include "Packages/com.unity.render-pipelines.universal/Shaders/LitInput.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/Shaders/Utils/Universal2D.hlsl"
            ENDHLSL
        }

        UsePass "Universal Render Pipeline/Lit/ShadowCaster"
        UsePass "Universal Render Pipeline/Lit/DepthOnly"
        // This pass it not used during regular rendering, only for lightmap baking.
        UsePass "Universal Render Pipeline/Lit/Meta"
        UsePass "Universal Render Pipeline/Lit/Universal2D"
    }

    Fallback "Unlit/Transparent"
    CustomEditor "UnityEditor.XR.Simulation.Rendering.MaterialInspector"
}