Extra attack vs a monster

gistfile1.txt

STATIC_OVL boolean
hitum(mon, tmp, uattk)		/* returns TRUE if monster still lives */
struct monst *mon;
int tmp;
struct attack *uattk;
{
	boolean malive;
	int mhit = (tmp > (dieroll = rnd(20)) || u.uswallow);
	
	if(mhit && is_displacer(mon->data) && rn2(2)){
		You("hit a displaced image!");
		return TRUE;
	}

	if(tmp > dieroll) exercise(A_DEX, TRUE);
	malive = known_hitum(mon, &mhit, uattk);
	(void) passive(mon, mhit, malive, AT_WEAP);
	
	if(u.sealsActive&SEAL_MARIONETTE && uwep){
		struct monst *m2 = m_at(mon->mx+u.dx,mon->my+u.dy);
		if(!m2 || DEADMONSTER(m2) || m2==mon) return(malive);
		int mhit = (tmp > (dieroll = rnd(20)) || u.uswallow);

		if(tmp > dieroll) exercise(A_DEX, TRUE);
		(void) passive(m2, mhit, known_hitum(m2, &mhit, uattk), AT_WEAP);
		
	}
	return(malive);
}