struct vertexOut {
   float4 HPosition   : POSITION;
   float4 TexCoord    : TEXCOORD0;
   float3 LightVec    : TEXCOORD1;
   float3 EyeVec      : TEXCOORD2;
   float3 WorldNormal : TEXCOORD3;
   float3 WorldView   : TEXCOORD4;
   float3 test1       : TEXCOORD5;
   float3 test2       : TEXCOORD6;
};

struct pixelOut {
   float3 col   : COLOR;
   float  depth : DEPTH;
};

pixelOut main(vertexOut IN, uniform sampler2D Texture)
{
   pixelOut OUT;

   half SpecExpon = 200;
   float4 LightColor = { 1, 1, 1, 1 };
   float4 diffuse_color = tex2D (Texture, IN.TexCoord.xy);

   half3 Ln = normalize (IN.LightVec);
   half3 Nn = normalize (IN.WorldNormal);
   half3 Vn = normalize (IN.WorldView);
   
   half3 Hn = normalize (Ln + Vn);
   half ldn = dot (Ln, Nn);
   half hdn = dot (Hn, Nn);

   half3 litV = lit (ldn, hdn, SpecExpon);
   half3 diffContrib = diffuse_color * ((litV.y + 0.3) * LightColor + glstate.lightmodel.ambient);
   half3 specContrib = litV.y * litV.z * LightColor;
   half4 result = (diffContrib + specContrib).xyzx;
   //half3 result = diffuse_color * litV.y + LightColor * litV.z;

   OUT.col = result.xyz;
   //float depth = IN.HPosition.z / IN.HPosition.w;
   //OUT.depth = 0.5 * depth + 0.5;
   return OUT;
}