// BUG 2018.10.22 针对Buff之间的关系，抽象出一个接口，
// 提供给外部 caster(释放buff者)给自身owner添加Buff 处理buff之间的相互关系 重叠/替换/抵消
public void AttachBuff(BaseEntity caster, int buffId)
{
BuffLog.Assert(!_owner.AttributeProp.IsDead(), "目标[{0}]已经死亡,无法添加Buff:[{1}]", _owner.ToDes(), buffId);
if (_owner.AttributeProp.IsDead())
{
return;
}
// 1.根据Id查找对应的ID
BuffCnf newCnf = BuffHelper.FindBuffById(buffId);
BuffLog.Log("Attach Buff [{0}]", newCnf.desc);
// 2.检测buff之间的 关系
int count = 0;
int length = _buffList.Count;
for (int i = length - 1; i >= 0; i--)
{
BaseBuff oldBuff = _buffList[i];
if (!oldBuff.Info.CheckGroupById(newCnf.groupID))
{
continue;
}
count++;
// TODO BUG逻辑有一定的问题,如果注释掉下面一行代码
//if (count != 1) continue;
int newLv = newCnf.level;
// 1/0/-1 1=本buff等级更高，0=等级相等，-1=本buff等级会第一点
BuffInfo oldInfo = oldBuff.Info;
int lvInfo = oldInfo.CheckLevel(newLv);
if (lvInfo == BuffInfo.LESS) // 新buff等级低
{
BuffLog.Log("新buff等级低 不处理,新Buff:[{0}],levell:[{1}],老Buff[{2}],level:[{3}]",
newCnf.desc, newCnf.level, oldInfo.ToDes(), oldInfo.Level);
continue;
}
if (lvInfo == BuffInfo.EQUAL && oldInfo.Multilayer) // 等级相等,可层级叠加
{
BuffLog.Log("Buff:[{0}],等级相等,可层级叠加", oldInfo.ToDes());
_internal_buff_overlap(oldBuff, newCnf);
}
else if (lvInfo == BuffInfo.EQUAL && !oldInfo.Multilayer) // 等级相等，不可叠加
{
BuffLog.Log("Buff:[{0}],等级相等，不可叠加", oldInfo.ToDes());
_internal_buff_refresh_time(oldBuff);
}
else // 新buff等级高
{
BuffLog.Log("Buff:[{0}],新Buff等级高,覆盖", oldInfo.ToDes());
_internal_buff_overlay(caster, _buffList[i], newCnf);
}
_update_attr(0); //让在update中发挥作用的buff马上生效
}
if (count == 0)
{
_internal_add_new_buff(caster, newCnf);
}
else if (count > 1)
{
LogManager.Error("Buff Group Id 超过1个数量");
}
}