customshadervs vslit_nm
customshaderfs fslit_nm  
renderhint NormalTangents
 
// Textures 
texture0 tbw01_stone3
texture1 tbw01_stone3_n
texture2 tbw01_stone3_s
texture3 null
texture4 null
texture5 null

parameter float Specularity 0.65
parameter float Roughness 0.35