public void affect(IBuffContext context) {
   BuffPrototype buffPrototype = context.getBuffPrototype();
   IPerformer performer = context.getPerformer();
   // 间隔时间到,进行掉血处理
   int changeValue = 0;
   if (buffPrototype.getValueType() == ValueTypeEnum.Value_Num.value()) {
     // 数值
     changeValue = buffPrototype.getDamageAmountList().get(0);
   } else {
     // 百分比
     changeValue =
         (int)
             (performer
                     .getAttrMgr()
                     .getAttrValue(
                         AttrSourceTypeEnum.AS_Base.value(), AttrTypeEnum.Attr_Energy.value())
                 * buffPrototype.getDamageAmountList().get(0)
                 / 100.0f);
   }
   if (buffPrototype.getBuffOrDebuff() == BuffBeneficialTypeEnum.Beneficial_Bad.value()) {
     // 减益
     changeValue = -changeValue;
   }
   performer.getAttrMgr().changeConsumeValue(AttrTypeEnum.Attr_Energy.value(), changeValue);
 }
  @Override
  public void update(IBuffContext context) {
    BuffPrototype buffPrototype = context.getBuffPrototype();
    IPerformer performer = context.getPerformer();
    affect(context);

    long differTime =
        context
            .getPerformer()
            .getGlobalContext()
            .getClock()
            .differByCurrentTime(context.getStartTime());
    if (differTime >= buffPrototype.getEffectiveTime()) {
      // 效果时间到
      performer.getBuffManager().exit(context);
    }
  }