// 当存在existState时,是否允许添加newState
protected bool allowAddStateByGroup(PlayerState newState, PlayerState existState)
{
// 任意一个状态没有所属组,则不在同一组
if (!mStateGroupList.ContainsKey(newState.GetType()) ||
!mStateGroupList.ContainsKey(existState.GetType()))
{
return(true);
}
List <Type> newGroup = mStateGroupList[newState.GetType()];
List <Type> existGroup = mStateGroupList[existState.GetType()];
// 有一个状态不属于任何状态组时两个状态是可以共存的
if (newGroup == null || existGroup == null)
{
return(true);
}
int count0 = newGroup.Count;
int count1 = existGroup.Count;
for (int i = 0; i < count0; ++i)
{
for (int j = 0; j < count1; ++j)
{
// 属于同一状态组,并且该状态组中的所有状态都不能共存,而且不允许添加跟当前状态互斥的状态,则不允许添加该状态
if (newGroup[i] != existGroup[j])
{
continue;
}
StateGroup group = mGroupStateList[newGroup[i]];
GROUP_MUTEX_OPERATION operate = group.mCoexist;
// 状态可共存
if (operate == GROUP_MUTEX_OPERATION.GMO_COEXIST)
{
;
}
// 只与主状态互斥
else if (operate == GROUP_MUTEX_OPERATION.GMO_MUETX_WITH_MAIN)
{
// 有主状态时不可添加其他状态
if (group.mMainState == existState.GetType())
{
return(false);
}
}
// 不可添加新状态
else if (operate == GROUP_MUTEX_OPERATION.GMO_NO_NEW)
{
return(false);
}
// 添加新状态时移除所有旧状态
else if (operate == GROUP_MUTEX_OPERATION.GMO_REMOVE_OTHERS)
{
;
}
}
}
return(true);
}
public static void registeGroup <T>(GROUP_MUTEX_OPERATION mutex = GROUP_MUTEX_OPERATION.GMO_COEXIST) where T : StateGroup, new()
{
if (mGroupStateList == null)
{
mGroupStateList = new Dictionary <Type, StateGroup>();
}
StateGroup group = new T();
group.setCoexist(mutex);
mGroupStateList.Add(typeof(T), group);
}
public void setCoexist(GROUP_MUTEX_OPERATION coexist)
{
mCoexist = coexist;
}
