RoApp/Assets/T4M/Shaders/ShaderModel3/Diffuse/T4M 4 Textures.shader

Shader "T4MShaders/ShaderModel3/Diffuse/T4M 4 Textures" 
{
	Properties {
		_Splat0 ("Layer 1 (R)", 2D) = "white" {}
		_Splat1 ("Layer 2 (G)", 2D) = "white" {}
		_Splat2 ("Layer 3 (B)", 2D) = "white" {}
		_Splat3 ("Layer 4 (A)", 2D) = "white" {}
		_Control ("Control (RGBA)", 2D) = "white" {}
		_MainTex ("Never Used", 2D) = "white" {}
	} 

	SubShader 
	{
		Tags {
			"SplatCount" = "4"
			"Queue" = "Geometry-100"
			"RenderType" = "Opaque"
		}
		CGPROGRAM
		#pragma surface surf Lambert vertex:vert
		#pragma target 4.0
		#pragma exclude_renderers gles xbox360 ps3
		#include "UnityCG.cginc"

		struct Input {
			float3 worldPos;
			float2 uv_Control : TEXCOORD0;
			float2 uv_Splat0 : TEXCOORD1;
			float2 uv_Splat1 : TEXCOORD2;
			float2 uv_Splat2 : TEXCOORD3;
			float2 uv_Splat3 : TEXCOORD4;
		};

		void vert (inout appdata_full v) 
		{
			float3 T1 = float3(1, 0, 1);
			float3 Bi = cross(T1, v.normal);
			float3 newTangent = cross(v.normal, Bi);
	
			normalize(newTangent);

			v.tangent.xyz = newTangent.xyz;
	
			if (dot(cross(v.normal,newTangent),Bi) < 0)
				v.tangent.w = -1.0f;
			else
				v.tangent.w = 1.0f;
		}

		sampler2D _Control;
		sampler2D _Splat0,_Splat1,_Splat2,_Splat3;

		void surf (Input IN, inout SurfaceOutput o) 
		{

			half4 splat_control = tex2D (_Control, IN.uv_Control);
			half4 splat0 = tex2D (_Splat0, IN.uv_Splat0);
			half4 splat1 = tex2D (_Splat1, IN.uv_Splat1);
			half4 splat2 = tex2D (_Splat2, IN.uv_Splat2);
			half4 splat3 = tex2D (_Splat3, IN.uv_Splat3);
	
			half3 col = splat_control.r * splat0.rgb;

			col += splat_control.g * splat1.rgb;
	
			col += splat_control.b * splat2.rgb;
	
			col += splat_control.a * splat3.rgb;
			o.Albedo = col;
			o.Alpha = 0.0;
		}
		ENDCG  
	}
	//FallBack "Diffuse"
}