TexNormalRamp.shader

Shader "Custom/TexNormalRamp"
{
    Properties
    {
        _Color ("Color", Color) = (1,1,1,1)
        _MainTex ("Albedo (RGB)", 2D) = "white" {}
		_BumpMap("Bumpmap", 2D) = "bump" {}
		_Ramp("Toon Ramp", 2D) = "white" {}
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        LOD 200

        CGPROGRAM
        #pragma surface surf Ramp

        #pragma target 3.0

		sampler2D _Ramp;

		half4 LightingRamp(SurfaceOutput s, half3 lightDir, half atten) {
			half NdotL = dot(s.Normal, lightDir);
			half diff = NdotL * 0.5 + 0.5;
			half3 ramp = tex2D(_Ramp, float2(diff,diff)).rgb;
			half4 c;
			c.rgb = s.Albedo * _LightColor0.rgb * ramp * atten;
			c.a = s.Alpha;
			return c;
		}

        struct Input
        {
            float2 uv_MainTex;
			float2 uv_BumpMap;
        };

		sampler2D _MainTex;
		sampler2D _BumpMap;
        half _Glossiness;
        fixed4 _Color;


        UNITY_INSTANCING_BUFFER_START(Props)
        UNITY_INSTANCING_BUFFER_END(Props)

        void surf (Input IN, inout SurfaceOutput o)
        {
            fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
            o.Albedo = c.rgb;
			o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap));
            o.Alpha = c.a;
        }
        ENDCG
    }
    FallBack "Diffuse"
}