Shader "Custom/URP_Additive"
{
	Properties
	{
		_MainTex ("Base", 2D) = "white" {}
		_TintColor ("TintColor", Color) = (1.0, 1.0, 1.0, 1.0)
	}
	SubShader
	{
		Tags { "RenderType" = "Transparent" "Queue" = "Transparent" }
		LOD 100
		Cull Off
		ZWrite Off
		Blend One One

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

			HLSLPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			#pragma multi_compile_fog
			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"

			struct Attributes
			{
				float4 positionOS : POSITION;
				float2 uv         : TEXCOORD0;
				float4 color      : COLOR;
			};

			   struct Varyings
			   {
				   float4 positionHCS : SV_POSITION;
				   float2 uv          : TEXCOORD0;
				   float4 color       : COLOR;
				   float fogFactor    : TEXCOORD1;
			   };

			CBUFFER_START(UnityPerMaterial)
				float4 _TintColor;
			CBUFFER_END

			TEXTURE2D(_MainTex); SAMPLER(sampler_MainTex);

			Varyings vert(Attributes IN)
			{
				Varyings OUT;
				OUT.positionHCS = TransformObjectToHClip(IN.positionOS.xyz);
				OUT.uv = IN.uv;
				OUT.color = IN.color * _TintColor;
			OUT.fogFactor = ComputeFogFactor(OUT.positionHCS.z / OUT.positionHCS.w);
				return OUT;
			}

			float4 frag(Varyings IN) : SV_Target
			{
				float4 tex = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv);
				float4 col = tex * IN.color;
			col.rgb = MixFog(col.rgb, IN.fogFactor);
				return col;
			}
			ENDHLSL
		}
	}
	FallBack Off
}