struct v2f
{
    float4 Position : POSITION; //in projection space
    float4 Color : COLOR;
    float4 TexCoords : TEXCOORD0;
    float4 Normal : TEXCOORD1;
    float Alpha : TEXCOORD2;
};

float4 main(v2f IN, uniform sampler2D colourMap : TEXUNIT0) : COLOR
{
	/*OUT.TexCoordsXY.xy = OUT.Position.xy;
    OUT.TexCoordsYZ.xy = OUT.Position.yz;
    OUT.TexCoordsXZ.xy = OUT.Position.xz;*/
    
    /*OUT.TexCoordsXY.xy /= textureScale;
    OUT.TexCoordsYZ.xy /= textureScale;
    OUT.TexCoordsXZ.xy /= textureScale;*/
	
	IN.TexCoords /= 16;
	IN.TexCoords.x = frac(IN.TexCoords.x);
	IN.TexCoords.y = frac(IN.TexCoords.y);
	IN.TexCoords.z = frac(IN.TexCoords.z);
	
	IN.TexCoords /= 4.0;
	float material = floor(IN.Alpha);
	float y = floor(material / 4.0);
	//float x = material - y;
	float x = fmod(material,4.0);
	//x = 1.0 - x;
	float2 offset = float2(x,y);
	offset /= 4.0;
	
       float3 colourMapValueXY = tex2D(colourMap, IN.TexCoords.xy + offset).rgb * abs(IN.Normal.z);
       float3 colourMapValueYZ = tex2D(colourMap, IN.TexCoords.yz + offset).rgb * abs(IN.Normal.x);
       float3 colourMapValueXZ = tex2D(colourMap, IN.TexCoords.xz + offset).rgb * abs(IN.Normal.y);
       
       float3 colourMapValue = colourMapValueXY + colourMapValueYZ + colourMapValueXZ;
       
       //colourMapValue /= 3.0;

       return float4(colourMapValue*IN.Color.rgb,1.0);
	   //return float4(1.0,0.0,0.0,1.0);
}