public synchronized void removeInvalidCharacter(L1NpcInstance npc) {
ArrayList<L1Character> invalidChars = new ArrayList<L1Character>();
for (L1Character cha : _hateMap.keySet()) {
if (cha == null || cha.isDead() || !npc.getNearObjects().knownsObject(cha)) {
invalidChars.add(cha);
}
}
for (L1Character cha : invalidChars) {
_hateMap.remove(cha);
}
}
@Override
public void run() {
_npc.deleteMe();
this.cancel();
}