public SkillSelector(WarServerNpcMgr NpcMgr)
{
npcMgr = NpcMgr;
priorityMgr = SkPriorityMgr.instance;
}
//此方法仅仅对单体目标有效，多目标的选择不走优先级排序逻辑
//且不能对自己生效和无优先级
//排序完了之后，按照“血量或距离”筛选出合适的NPC
public static ServerNPC GetPrioritiedNpc(ServerNPC caster, TargetClass target, WarServerNpcMgr NpcSource, float range,
NpcStatus TarStatusInCfg, SkTargetPriority priority, SkPriorityMgr PriorityMgr, LifeNPCType type = LifeNPCType.SkTarAll)
{
///
/// 获取未排好序的
///
IEnumerable <ServerNPC> unPriority = GetNPCValideStatus(caster, NpcSource, KindOfNPC.Life, target, TarStatusInCfg, type);
///
/// 过滤掉超出范围的数据
///
Vector3 anchor = caster.transform.position;
Transform trans = caster.transform;
float radius = caster.data.configData.radius;
unPriority = unPriority.Where(n => IsInRange(anchor, n.data.configData.radius + radius + range, n.transform));
///
/// 排序
///
IPrioritySelect selector = PriorityMgr.getImplement(priority);
selector.SortByPriority(unPriority, NpcSource, hasPriority);
///
/// 依照排好序的顺序，依次查找出一个适合的目标
/// 查找的方式为：血量和距离
///
ServerNPC theOne = null;
bool Highest = target.AnySame(TargetClass.HpHighest);
bool Lowest = target.AnySame(TargetClass.HpLowest);
bool Farest = target.AnySame(TargetClass.FarAwary);
bool Nearest = target.AnySame(TargetClass.Nearest);
bool ExceptionCheck = false;
int Condition = 0;
if (Highest)
{
Condition++;
}
if (Lowest)
{
Condition++;
}
if (Farest)
{
Condition++;
}
if (Nearest)
{
Condition++;
}
#if DEBUG
Utils.Assert(Condition >= 2, "TargetPriority shall set only one Max Or Min condition.");
#endif
int count = hasPriority.Count;
if (Highest || Lowest)
{
for (int i = 0; i < count; ++i)
{
List <ServerNPC> line = hasPriority[i];
if (line != null)
{
if (Highest)
{
theOne = line.OrderByDescending(n => n.data.rtData.CurHpNested).FirstOrDefault();
}
if (Lowest)
{
theOne = line.OrderBy(n => n.data.rtData.CurHpNested).FirstOrDefault();
}
if (theOne != null)
{
break;
}
}
}
}
if (Farest || Nearest)
{
for (int i = 0; i < count; ++i)
{
List <ServerNPC> line = hasPriority[i];
if (line != null)
{
if (Farest)
{
theOne = line.OrderByDescending(n => GetVirtualDistance(trans, n.transform)).FirstOrDefault();
}
if (Nearest)
{
theOne = line.OrderBy(n => GetVirtualDistance(trans, n.transform)).FirstOrDefault();
}
if (theOne != null)
{
break;
}
}
}
}
///
/// 这种情况是没有排序的情况，只要能选出来第一个就可以
///
if (Condition == 0)
{
for (int i = 0; i < count; ++i)
{
List <ServerNPC> line = hasPriority[i];
if (line != null && line.Count > 0)
{
theOne = line[0];
if (theOne != null)
{
break;
}
}
}
}
return(theOne);
}