Shader "Custom/DoubleSided" {
	Properties{
		_Color("Color", Color) = (1,1,1,1)
		_MainTex("Albedo (RGB)", 2D) = "white" {}
		_Glossiness("Smoothness", Range(0,1)) = 0.5
		_Metallic("Metallic", Range(0,1)) = 0.0
		_BumpMap("NormalMap", 2D) = "Bump" {}
		_BumpScale("Normal Power", Float) = 1.0
		_NormalDefault("Normal Default", Color) = (128, 128, 255)
	}
		SubShader{
			Tags { "RenderType" = "Opaque" }
			LOD 200

			// Render back faces first
			Cull Front
			CGPROGRAM
			// Physically based Standard lighting model, and enable shadows on all light types
		#pragma surface surf Standard fullforwardshadows

			// Use shader model 3.0 target, to get nicer looking lighting
		#pragma target 3.0

			sampler2D _MainTex;
		sampler2D _BumpMap;

		struct Input {
			float2 uv_MainTex;
		};

		half _Glossiness;
		half _BumpScale;
		half _Metallic;
		fixed4 _Color;
		half3 _NormalDefault;

		void surf(Input IN, inout SurfaceOutputStandard o) {
			// Albedo comes from a texture tinted by color
			fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;
			o.Albedo = c.rgb;
			// Metallic and smoothness come from slider variables
			o.Metallic = _Metallic;
			o.Smoothness = _Glossiness;
			o.Normal = -UnpackNormal(tex2D(_BumpMap, IN.uv_MainTex));
			//o.Normal = -_NormalDefault;
			o.Alpha = c.a;
		}
		ENDCG


			// Now render front faces
			Cull Back
		CGPROGRAM
			// Physically based Standard lighting model, and enable shadows on all light types
			#pragma surface surf Standard fullforwardshadows

			// Use shader model 3.0 target, to get nicer looking lighting
			#pragma target 3.0

			sampler2D _MainTex;
			sampler2D _BumpMap;

			struct Input {
				float2 uv_MainTex;
			};

			half _Glossiness;
			half _BumpScale;
			half _Metallic;
			fixed4 _Color;
			half3 _NormalDefault;

			void surf(Input IN, inout SurfaceOutputStandard o) {
				// Albedo comes from a texture tinted by color
				fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;
				o.Albedo = c.rgb;
				// Metallic and smoothness come from slider variables
				o.Metallic = _Metallic;
				o.Smoothness = _Glossiness;
				o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_MainTex));
				//o.Normal = _NormalDefault;
				o.Alpha = c.a;
			}
			ENDCG
		}
			FallBack "Diffuse"
}