"wow to make a code project of that scale they must have been brilliant programmers with highly organized code"
// translates between frame-buffer and map coordinates
#define CXMTOF(x) (f_x + MTOF((x)-m_x))
#define CYMTOF(y) (f_y + (f_h - MTOF((y)-m_y)))
// the following is crap
#define LINE_NEVERSEE ML_DONTDRAW