Shader "Imagine/TiledMasked"
{
    Properties
    {
        _MainTex ("Albedo (RGB)", 2D) = "white" {}
        _MaskTex ("Mask (RGB)", 2D) = "white" {}

    }
    SubShader
    {
        Tags { "Queue"="Transparent" "RenderType"="Transparent" }
        LOD 200

        CGPROGRAM
        // Physically based Standard lighting model, and enable shadows on all light types
        //#pragma surface surf Standard fullforwardshadows
        #pragma surface surf Standard alpha:fade

        // Use shader model 3.0 target, to get nicer looking lighting
        #pragma target 3.0

        sampler2D _MainTex;
        sampler2D _MaskTex;
        float4 _MainTex_ST;

        struct Input
        {
            float2 uv_MainTex;
            float2 uv_MaskTex;
            float3 worldPos;
        };

        // Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
        // See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
        // #pragma instancing_options assumeuniformscaling
        UNITY_INSTANCING_BUFFER_START(Props)
            // put more per-instance properties here
        UNITY_INSTANCING_BUFFER_END(Props)

        void surf (Input IN, inout SurfaceOutputStandard o)
        {
            // Albedo comes from a texture tinted by color

          
            fixed4 c = tex2D (_MainTex, IN.worldPos.xz * _MainTex_ST.xy);
            o.Albedo = c.rgb;
            o.Alpha = tex2D (_MaskTex, IN.uv_MaskTex) * c.a;
        }
        ENDCG
    }
    FallBack "Diffuse"
}