struct vertexIn {
   float4 Position : POSITION;
   float4 Normal   : NORMAL;
   float4 UV       : TEXCOORD0;
};

struct vertexOut {
   float4 HPosition   : POSITION;
   float4 TexCoord    : TEXCOORD0;
   float3 LightVec    : TEXCOORD1;
   float3 EyeVec      : TEXCOORD2;
   float3 WorldNormal : TEXCOORD3;
};

vertexOut main(vertexIn IN)
{
   vertexOut OUT;

   float4 LightPos = { 0, 2, 5, 1 };

   OUT.WorldNormal = normalize (IN.Normal.xyz);
   OUT.EyeVec      = normalize (IN.Position).xyz;
   OUT.LightVec    = normalize (LightPos - IN.Position).xyz;
   OUT.HPosition   = mul (glstate.matrix.mvp, IN.Position);
   OUT.TexCoord    = IN.UV;

   return OUT;
}