2 Texture blend shader

Shader "Custom/Blend" {
	Properties {
		_Color ("Color", Color) = (1,1,1,1)
		_MainTex ("Main Texture", 2D) = "white" {}
		_BlendTex ("Blend Texture", 2D) = "white" {}
		_BlendPercent ("Texture Blend", Range(0,1)) = 0.0
		_Glossiness ("Smoothness", Range(0,1)) = 0.5
		_Metallic ("Metallic", Range(0,1)) = 0.0
	}
	SubShader {
		Tags { "RenderType"="Opaque" }
		LOD 200

		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 _BlendTex;

		struct Input {
			float2 uv_MainTex;
		};

		half _Glossiness;
		half _Metallic;
		half _BlendPercent;
		fixed4 _Color;

		void surf (Input IN, inout SurfaceOutputStandard o) {
			// Albedo comes from a texture tinted by color
			fixed4 tex_1 = tex2D (_MainTex, IN.uv_MainTex);
			fixed4 tex_2 = tex2D (_BlendTex, IN.uv_MainTex);
			fixed4 c = (tex_1 * (1-_BlendPercent) + tex_2 * _BlendPercent) * _Color;
			o.Albedo = c.rgb;
			// Metallic and smoothness come from slider variables
			o.Metallic = _Metallic;
			o.Smoothness = _Glossiness;
			o.Alpha = c.a;
		}
		ENDCG
	}
	FallBack "Diffuse"
}