customshadervs vslit_nm
customshaderfs fslit_nm  
renderhint NormalTangents
 
// Textures 
texture0 TIB_Ground
texture1 TIB_Ground_n
texture2 TIB_Ground_s
texture3 null
texture4 null
texture5 null

parameter float Specularity 0.65
parameter float Roughness 0.35