DecalDiffuseShader

Shader "Project/DecalDiffuse"
{
    Properties
    {
        _Color ("Color", Color) = (1,1,1,1)
        _Emission("Emission", Color) = (0,0,0,0)
        _MainTex ("Diffuse Texture", 2D) = "white" {}
    }
    SubShader
    {
        Tags
        {
            "RenderType" = "Opaque"
            "IgnoreProjector" = "True"
            "Queue" = "Geometry"
            "LightMode" = "Deferred"
        }
        LOD 200

        CGPROGRAM
        #pragma surface surf WrapLambert exclude_path:deferred decal:blend



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

        struct Input
        {
            float2 uv_MainTex;
            half4 color : COLOR;
        };

        sampler2D _MainTex;
        fixed4 _Color;
        fixed4 _Emission;

        void surf (Input IN, inout SurfaceOutput o)
        {
            fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;
            o.Albedo = c.rgb * IN.color.rgb;
            o.Alpha = c.a * IN.color.a;
            o.Emission = _Emission;
        }
        ENDCG
    }
}