A Paste by Anonymous

void main(    in float4 colorIN        : COLOR0,             in float2 texCoords      : TEXCOORD0,            // The texture map's texcoords             in float2 normalCoords   : TEXCOORD1,            // The normal map's texcoords             in float2 specularCoords : TEXCOORD2,             in float3 vLightVector   : TEXCOORD3,            // The transformed light vector (it is in tangent space)             in float3 vEyeVectorOut     : TEXCOORD4,             out float4 colorOUT : COLOR0,                // The final color of the current pixel             uniform sampler2D baseTexture : TEXUNIT0,    // The whole rock texture map             uniform sampler2D normalTexture : TEXUNIT1, // The whole normal map             uniform sampler2D specularTexture : TEXUNIT2,             uniform float3 fLightDiffuseColor,            // The diffuse color of the light source             uniform float3 fLightSpecular,             uniform float  fShininess,             uniform float  fFalloff )             {     // Decompress vector ([0, 1] -> [-1, 1])     float3 vNormal = 2.0f * (tex2D(normalTexture, normalCoords).rgb - 0.5f);          // Calculate diffuse component     float diffuseLight = max(dot(vLightVector, vNormal), 0);     float3 diffuseFinal = diffuseLight * tex2D(baseTexture, texCoords).rgb * fLightDiffuseColor;          // Calculate specular component     float3 specular = (pow(max(dot(vNormal, vEyeVectorOut), 0), fShininess)) * tex2D(specularTexture, specularCoords).rgb * fLightSpecular;          if ( diffuseLight <= 0 )         specular = 0;          // Calculate attenuation     float distanceToTexel = sqrt ( (vLightVector.x - vNormal.x) * (vLightVector.x - vNormal.x) +                                    (vLightVector.y - vNormal.y) * (vLightVector.y - vNormal.y) +                                    (vLightVector.z - vNormal.z) * (vLightVector.z - vNormal.z) );          float attenuation = 1 - pow(( distanceToTexel/fFalloff ),2);          // Output the final color     colorOUT.rgb = attenuation * ( diffuseFinal + specular ); }