sampler2D diffuse <string fileName = "fur_diffuse_256.jpg";> = sampler_state {
  minFilter = Linear;
  magFilter = Linear;
  wrapS = Repeat;
  wrapT = Repeat;
};
sampler2D bump<string fileName = "fur_bump.tga";> = sampler_state {
  generateMipMap = true;
  minFilter = Linear;
  magFilter = Linear;
  wrapS = Repeat;
  wrapT = Repeat;
};


float4x4 mvp : ModelViewProjection;
float4x4 mv : ModelView;
float4x4 mvit : ModelViewIT;



float4 vertexDiff(float4 P : POSITION,
              float4 N : NORMAL,
	      float2 uvIn : TEXCOORD0,
		 in float4 Cin : COLOR0,
              out float4 CC : COLOR0,
              out float3 Pcam : TEXCOORD1,
              out float3 Ncam : TEXCOORD2,
	      out float2 uv : TEXCOORD0) : POSITION
{
    CC.xyz =  normalize(N.xyz);
    Pcam = mul(mv, P).xyz;
    Ncam = mul(mvit, N).xyz;
    return mul(mvp, P);
}


float4 light(	float4 col: COLOR0,
                  in float3 texcoord,
                  float3 Pcam : TEXCOORD1, 
                  float3 Ncam : TEXCOORD2) : COLOR 
{
    float3 tan = normalize(col.xyz);
    float3 wo = normalize(-Pcam);
    float3 result;// = ambient;
    float3 Nn = normalize(Ncam);
   
    	 float3 scolor = float3(1.0,1.0,1.0);
        float3 Ln = normalize(float3(0,0,-1)-Pcam);
        float3 lcolor = float3(1,1,1);
        float3 Hn = normalize(wo + Ln);
        float ldn = dot(Ln,Nn);
        float hdn = dot(Hn,Nn);
        float4 litV = lit(ldn, hdn, 32);
            
    result = tex2D(diffuse ,texcoord)*litV.y;
    return float4(result, 1.);
}

float4 vertex(uniform float scale,
              float4 P : POSITION,
              float4 N : NORMAL,
	      float2 uvIn : TEXCOORD0,
		 in float4 Cin : COLOR0,
              out float4 CC : COLOR0,
              out float3 Pcam : TEXCOORD1,
              out float3 Ncam : TEXCOORD2,
	      out float2 uv : TEXCOORD0) : POSITION
{
	float4 vert = P + float4(N.xyz*scale, 0);
	uv = uvIn;
	uv *= 0.25;
	Ncam = mul(mvit, N).xyz;
	Pcam = mul(mv, vert);
	return mul(mvp, vert); 
}


float4 fragment(	in float3 uv,
                  float3 Pcam : TEXCOORD1, 
                  float3 Ncam : TEXCOORD2) : COLOR 
{
    float3 wo = normalize(-Pcam);
    float3 result;// = ambient;
    float3 alpha = tex2D(bump, uv*2).xyz;
    if (alpha.r + alpha.g + alpha.b < 1.5) discard;
    return tex2D(diffuse,uv);
}

technique red <string target = "both";>
{
	pass p110
	{
		VertexProgram = compile arbvp1 vertexDiff();
 		FragmentProgram = compile arbfp1 light();
	}

	pass p0
	{
		VertexProgram = compile arbvp1 vertex(0.012);
 		FragmentProgram = compile arbfp1 fragment();
	}
	pass p1
	{
		VertexProgram = compile arbvp1 vertex(0.024);
 		FragmentProgram = compile arbfp1 fragment();
	}
	pass p2
	{
 		VertexProgram = compile arbvp1 vertex(0.036);
 		FragmentProgram = compile arbfp1 fragment();
	}
	pass p3
	{
 		VertexProgram = compile arbvp1 vertex(0.048);
 		FragmentProgram = compile arbfp1 fragment();
	}
	pass p4
	{
		VertexProgram = compile arbvp1 vertex(0.06);
 		FragmentProgram = compile arbfp1 fragment();
	}
	pass p5
	{
		VertexProgram = compile arbvp1 vertex(0.072);
 		FragmentProgram = compile arbfp1 fragment();
	}
	pass p6
	{
		VertexProgram = compile arbvp1 vertex(0.084);
 		FragmentProgram = compile arbfp1 fragment();
	}
	pass p7
	{
		VertexProgram = compile arbvp1 vertex(0.096);
 		FragmentProgram = compile arbfp1 fragment();
	}
	pass p8
	{
		VertexProgram = compile arbvp1 vertex(0.108);
 		FragmentProgram = compile arbfp1 fragment();
	}
	pass p9
	{
 		VertexProgram = compile arbvp1 vertex(0.12);
 		FragmentProgram = compile arbfp1 fragment();
	}
}