/// <summary>
/// 根据名字获取状态
/// </summary>
/// <param name="name"></param>
/// <returns>null：没有该状态</returns>
public State GetStateWithName(StateName name)
{
State state = null;
DictStates.TryGetValue(name, out state);
return(state);
}
/// <summary>
/// 移除状态/状态机
/// 不能是当前状态和默认状态
/// </summary>
/// <param name="name"></param>
/// <returns>false：移除失败 true：移除成功</returns>
public bool RemoveState(StateName name)
{
bool result = false;
if (CurrentState != null && CurrentState.Name != name && DefaultState != null && DefaultState.Name != name)
{
if (DictStates != null && DictStates.ContainsKey(name))
{
// 删除状态
DictStates.Remove(name);
// 删除过渡到本状态的状态过渡
foreach (State state in DictStates.Values)
{
List <TransitionName> templist = new List <TransitionName>();
foreach (Transition transition in state.Transitions.Values)
{
if (transition.ToState.Name == name)
{
templist.Add(transition.Name);
}
}
foreach (TransitionName transitionName in templist)
{
state.Transitions.Remove(transitionName);
}
}
result = true;
}
}
return(result);
}
/// <summary>
/// 创建并添加状态
/// </summary>
/// <typeparam name="T">类型</typeparam>
/// <param name="name">添加的状态名</param>
/// <param name="isDefault">是否设置为默认状态</param>
/// <returns>添加的状态</returns>
public T AddState <T>(StateName name, bool isDefault = false) where T : State, new()
{
if (DictStates == null)
{
throw new Exception("DictStates 为 null");
}
if (DictStates.ContainsKey(name))
{
throw new Exception("DictStates 中已存在 " + name);
}
T state = new T();
state.InitState(name, this);
DictStates.Add(name, state);
if (isDefault)
{
DefaultState = state;
}
return(state);
}
