Shader "Custom/Simple Specular"
{
    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
	}
		SubShader
		{
			CGPROGRAM
			#pragma surface surf SimpleSpecular

		half4 LightningSimpleSpecular(SurfaceOutput s, half3 lightDir, half3 viewDir, half atten) {
		half diff = max(0, dot(s.Normal, lightDir));
		float nh = max(0, dot(s.Normal, h));
		float spec = pow(nh, 48.0);

		half4 c;
		c.rgb = (s.Albedo * _LightColor0.rgb * diff * _LightColor0.rgb * spec) * atten;
		c.a = s.Alpha;
		return c;
		}
		struct Input {
			float2 uv_MainTex;
		};
		sampler2D _MainTex;

        void surf (Input IN, inout SurfaceOutputStandard o)
        {
			o.Albedo = tex2D(_MainTex, IN.uv_MainTex).rgb;
        }
        ENDCG
    }
    FallBack "Diffuse"
}