lz i am very sorry to read this following codes from the script of if (bit.or vmask 256) == vmask do --dirt map ( fseek f (readShort f #unsigned) #seek_cur for v=1 to numVerts do ( tx = (readshort f #signed)/32767.0 ty = (readshort f #signed)/32767.0 append t2arr [tx, 1-ty, 0] ) align = readShort f ...