Shader "Custom/DualLayer" {
	Properties {
		_DiffuseColor ("Diffuse Color", Color) = (1.0,1.0,1.0,1.0)
		_SpecColor ("Spec Color", Color) = (1.0,1.0,1.0,1.0)
		_MainTex ("DiffuseMap", 2D) = "white" {}
		_SpecularMap ("SpecularMap", 2D) = "white" {}
		_ReflectionIntensity ("Reflection Intensity", Float) = 0.5
		_Shininess ("Specular Shininess", Float) = 0.078125
		_Gloss ("Specular Gloss", Float) = 0.078125
	}
	SubShader {
		Tags { "RenderType"="Opaque" }
		LOD 200
		
		CGPROGRAM
		#pragma surface surf BlinnPhong 

		sampler2D _MainTex;
		sampler2D _SpecularMap;
		float _ReflectionIntensity;
		float _Shininess;
		float _Gloss;
		float4 _DiffuseColor;
		
		struct Input {
			float2 uv_MainTex;
			float3 worldRefl;
			float3 viewDir;
		};

		void surf (Input IN, inout SurfaceOutput o) {
			half4 d = tex2D (_MainTex, IN.uv_MainTex);
			half s = tex2D (_SpecularMap, IN.uv_MainTex).a;
			
			o.Albedo = _DiffuseColor.rgb * d.rgb;
			o.Alpha = 1;
			o.Gloss = _Gloss * s;
			o.Specular = _Shininess;
		}
		ENDCG
	} 
	FallBack "Diffuse"
}