Function AddTrigger

Descent3/trigger.cpp:294–326

Create a new trigger Parameters: roomnum,facenum - where the trigger is flags - flags for this trigger activator - activator mask script - handle for the script for this trigger Returns: trigger number of new trigger, or -1 if error

//					script - handle for the script for this trigger
// Returns:	trigger number of new trigger, or -1 if error
int AddTrigger(char *name, int roomnum, int facenum, int activator, const char *script) {
  room *rp = &Rooms[roomnum];
  face *fp = &rp->faces[facenum];
  trigger *tp;

  if (Num_triggers >= MAX_TRIGGERS)
    return -1;

  if (strlen(name) > TRIG_NAME_LEN) {
    Int3();
    return -1;
  }

  tp = &Triggers[Num_triggers];

  strcpy(tp->name, name);
  tp->roomnum = roomnum;
  tp->facenum = facenum;
  tp->activator = activator;
  tp->flags = 0;

  // Flag the face
  fp->flags |= FF_HAS_TRIGGER;

  // Update count
  Num_triggers++;

  // Update flag
  World_changed = 1;

  // Everything ok
  return Num_triggers - 1;
}

// Remove a trigger
// Paramters:	trig_num - the trigger to delete