#ifndef _track_
#define _track_

operator name track_state();
operator name track_once(name proc);
operator name track(name proc);
operator name track_time(int tresh, int delay, name proc);
operator name track_timed(int tresh, int delay, name proc);
operator name track_overlay(name proc);

extern void track_start_event(eventtype);
extern eventtype track_first_event;
extern eventtype track_event;
extern boolean track_is_timed();

extern float trackx;
extern float tracky;
extern float trackdx;
extern float trackdy;

#endif