protected STATE_MUTEX mMutexType; // 该状态是否允许叠加
public PlayerState()
{
mMutexType = STATE_MUTEX.COEXIST;
mBuffStateType = BUFF_STATE_TYPE.NONE;
mActive = true;
mStateMaxTime = -1.0f;
mStateTime = -1.0f;
}
// 是否因为与当前已存在的同类型的互斥而无法添加此状态,返回值表示是否可以添加新的状态,如果可添加,则needRemoveState返回需要被移除的状态
protected bool mutexWithExistState(PlayerState state, out PlayerState needRemoveState)
{
needRemoveState = null;
// 移除自身不可共存的状态
PlayerState existState = getFirstState(Typeof(state));
if (existState == null)
{
return(true);
}
STATE_MUTEX operate = existState.getMutexType();
// 移除旧状态
if (operate == STATE_MUTEX.REMOVE_OLD)
{
needRemoveState = existState;
return(true);
}
// 不允许添加新状态
else if (operate == STATE_MUTEX.CAN_NOT_ADD_NEW)
{
return(false);
}
// 相同的状态可以共存
else if (operate == STATE_MUTEX.COEXIST)
{
return(true);
}
// 只保留优先级最高的状态
else if (operate == STATE_MUTEX.KEEP_HIGH_PRIORITY)
{
// 移除优先级低的旧状态,因为每次都只会保留优先级最高的状态,所以同时最多只会存在一个状态
if (existState.getPriority() < state.getPriority())
{
needRemoveState = existState;
}
return(existState.getPriority() < state.getPriority());
}
return(true);
}
