customshadervs vslit_nm
customshaderfs fslit_nm  
renderhint NormalTangents
 
// Textures 
texture0 tcn01_roof11
texture1 tcn01_roof11_n
texture2 tcn01_roof11_s
texture3 null
texture4 null
texture5 null

parameter float Specularity 0.65
parameter float Roughness 0.35