/* Go Forward while I can! */
/* But Turn after U-turn! */

/*
enum Action { Step, TurnLeft, TurnRight, TurnBack, End };
*/
/*
int senseForward();
int senseLeft();
int senseRight();
void MousePuts(char *message);
*/

int Need2Turn;

Action MousedoAction() {
  if (Need2Turn) {
    if (senseLeft() == 0)  { Need2Turn = 0; return TurnLeft ; }
    if (senseRight() == 0) { Need2Turn = 0; return TurnRight; }
  }
  if (senseForward() == 0) { return Step; }
  if (senseLeft() == 0) { return TurnLeft; }
  if (senseRight() == 0) { return TurnRight; }
  Need2Turn = 1;
  return TurnBack ;
}

void MouseInit() {
  MousePuts("Gung Ho!.\n");
  Need2Turn = 0;
}

void MouseBring2Start() {
  Need2Turn = 0;
}

void MouseUserCmd(int cmd) {
  char msg[30];
  sprintf(msg,"UsrBtn %d pressed.\n",cmd);
  MousePuts(msg);
}