Shader "NLD_URP/NLD_Scene_Surface"
{
//目前效果还有问题，可能需要新加pass写入深度一次
    Properties
    {
        [Header(Main map)]
        _MainTex ("MainTex", 2D) = "white" {}
        _Color("Base Tint", color) = (1,1,1,1)
    }
    SubShader
    {
        Tags
        {
            "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" "IgnoreProjector" = "True" "Queue" = "Transparent"
        }
        pass
        {
            name "Base"
            Tags
            {
                "LightMode" = "UniversalForward"
            }
            Cull Back
            ZWrite Off
            ZTest On
            Blend SrcAlpha OneMinusSrcAlpha

            HLSLPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma multi_compile_instancing

            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"

            TEXTURE2D(_MainTex);
            SAMPLER(sampler_MainTex);

            half4 _MainTex_ST;
            half4 _Color;
            
            half _ShadowIntensity;
            half _AmbientMultiplier;

            struct Attributes
            {
                float3 positionOS : POSITION;
                float4 texcoord : TEXCOORD0;
                UNITY_VERTEX_INPUT_INSTANCE_ID
            };

            struct Varyings
            {
                float2 uv : TEXCOORD0;
                float4 positionCS : SV_POSITION;
            };

            Varyings vert(Attributes input)
            {
                Varyings output;
                UNITY_SETUP_INSTANCE_ID(input);
                output.uv = input.texcoord;
                output.positionCS = TransformObjectToHClip(input.positionOS);
                return output;
            }

            float4 frag(Varyings input) : SV_Target
            {
                half4 baseColor = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, input.uv);

                half4 finalColor = baseColor * _Color;
                return finalColor;
            }
            ENDHLSL
        }
    }
}