/// <summary>
/// 执行状态基类
/// </summary>
/// <param name="_stateBase">State base.</param>
public void PerformTransition(FSMStateBase _stateBase)
{
Debug.Log(currentState.ToString() + " -> " + _stateBase.ToString());
currentState.DoBeforeLeaving();
currentState = _stateBase;
currentState.DoBeforeEntering();
}
/// <summary>
/// 执行过渡条件
/// </summary>
/// <param name="_transition">Transition.</param>
public void PerformTransition(Transition _transition)
{
if (_transition == Transition.None)
{
Debug.LogError("PerformTransition _transition error : transition is none");
return;
}
FSMState stateBase = currentState.GetOutPutState(_transition);
if (stateBase == FSMState.None)
{
Debug.LogError("PerformTransition _transition error : State does not have a target state for transition");
return;
}
for (int i = 0; i < statesList.Count; i++)
{
if (statesList[i].FSMState == stateBase)
{
currentState.DoBeforeLeaving();
//只有这样切换才给上一个状态赋值,当前状态已经变成了上一个状态
BeforeState = currentState;
//当前状态已经被转换
currentState = statesList[i];
currentState.DoBeforeEntering();
}
}
}
// 清除状态
public void ClearAllState()
{
_allStates.Clear();
// TODO 看看是否需要OnExit
_currentState = null;
_currentStateId = StateID.STATE_NONE;
}
public void pushState(FSMStateEnum fsmStateEnum)
{
FSMStateBase fsmStateBase = null;
if (FSMStateDic.TryGetValue(fsmStateEnum, out fsmStateBase))
{
stateBaseStack.Push(fsmStateBase);
}
}
/// <summary>
/// 移除状态
/// </summary>
/// <param name="_stateBase">State base.</param>
public void RemoveState(FSMStateBase _stateBase)
{
for (int i = 0; i < statesList.Count; i++)
{
if (statesList[i] == _stateBase)
{
statesList.Remove(_stateBase);
return;
}
}
Debug.LogError("RemoveState error: It was not on the list of states");
}
public void Update()
{
if (stateBaseStack.Count <= 0)
{
return;
}
FSMStateBase fsmStateBase = stateBaseStack.Peek();
if (fsmStateBase != null)
{
fsmStateBase.Update();
}
}
// 切换状态
public void ChangeState(StateID nextState, params object[] param)
{
if (nextState == _currentStateId)
{
// 是同一状态，刷新状态数据
if (_currentState != null)
{
_currentState.OnRefresh(param);
}
return;
}
// 不能进行状态切换
if (_currentState != null && !_currentState.CheckTransition(nextState))
{
return;
}
List <StateID> list;
if (_connections.TryGetValue(nextState, out list)) // 获取与指定的键相关联的值
// 如果目标状态有添加链接，则判定当前状态是否有链接到目标状态，如果没有的话，则禁止迁移状态
{
if (list.IndexOf(_currentStateId) == -1)
{
return;
}
}
FSMStateBase state;
if (_allStates.TryGetValue(nextState, out state))
{
if (_currentState != null)
{
_currentState.OnExit();
_currentState = null;
}
_currentStateId = nextState;
_currentState = state;
_currentState.OnEnter(param);
}
else
{
Debug.LogError("State Not Found: " + nextState);
}
}
/// <summary>
/// 添加状态
/// </summary>
/// <param name="_stateBase">State base.</param>
public void AddState(FSMStateBase _stateBase)
{
if (_stateBase == null)
{
Debug.LogError("AddState error stateBase is null");
}
if (statesList.Count == 0)
{
statesList.Add(_stateBase);
currentState = _stateBase;
return;
}
for (int i = 0; i < statesList.Count; i++)
{
if (statesList[i] == _stateBase)
{
Debug.LogError("AddState error: Impossible to add state.");
return;
}
}
statesList.Add(_stateBase);
}
// 添加状态
public void AddState(StateID stateId, FSMStateBase state)
{
state.SetFSM(this); // 设置当前状态机
_allStates[stateId] = state;
}
