/// <summary>
/// 通过转换，改变FSM的状态
/// </summary>
public void PerformTransition(Transition trans)
{
if (trans == Transition.NullTransition)
{
Debug.LogError("FSM ERROR: NullTransition is not allowed for a real transition");
return;
}
//获取转换对应的状态ID
StateID id = CurrentState.GetOutputState(trans);
if (id == StateID.NullStateID)
{
Debug.LogError("FSM ERROR: State " + CurrentStateID.ToString() + " does not have a target state " +
" for transition " + trans.ToString());
return;
}
// 更新当前状态ID，currentStateID
CurrentStateID = id;
foreach (FSMState state in m_States)
{
if (state.ID == CurrentStateID)
{
// 离开状态时的变量重置
CurrentState.DoBeforeLeaving();
// 更新当前状态currentState
CurrentState = state;
// 进入状态前，设置进入的状态条件
CurrentState.DoBeforeEntering();
break;
}
}
}
/// <summary>
/// 状态改变
/// </summary>
public void SwitchTransition(Transition trans)
{
//在改变当前状态前检测NullTransition
if (trans == Transition.NullTransition)
{
Debug.LogError("FSM ERROR: NullTransition is not allowed for a real transition");
return;
}
//在改变当前状态前检测当前状态是否可作为过渡的参数
StateID id = CurrentState.GetOutputState(trans);
if (id == StateID.NullStateID)
{
Debug.LogError("FSM ERROR: State " + CurrentStateID.ToString() + " does not have a target state " +
" for transition " + trans.ToString());
return;
}
//更新当前的状态个和状态编号
CurrentStateID = id;
for (int i = 0; i < states.Count; i++)
{
if (states[i].ID == CurrentStateID)
{
//离开旧状态执行方法
CurrentState.OnExit();
CurrentState = states[i];
//进入新的状态
CurrentState.OnEnter();
break;
}
}
}
public override void UpdateController()
{
if (this.Fsm != null && this.Fsm.CurrentState != null)
{
if (LastStateID != CurrentStateID)
{
Debug.Log("유닛 상태 변화 : " + LastStateID.ToString() + " 에서 " + CurrentStateID.ToString());
LastStateID = CurrentStateID;
}
this.Fsm.CurrentState.DoCheck();
this.Fsm.CurrentState.DoAct();
}
if (this.aniController != null)
{
this.aniController.UpdateAnimation();
}
//Tip Y축 위치에따라 소팅.
//this.aniController.sprite_main.SortingOrder = 10000 - (int)this.myTransform.position.y;
}
/// <summary>
/// This method tries to change the state the FSM is in based on
/// the current state and the transition passed. If current state
/// doesn't have a target state for the transition passed,
/// an ERROR message is printed.
/// </summary>
public void PerformTransition(Transition trans, bool ifGlobal)
{
// Check for NullTransition before changing the current state
if (trans == Transition.NullTransition)
{
return;
}
// Check if the currentState has the transition passed as argument
StateID id;
if (!ifGlobal)
{
id = CurrentState.GetOutputState(trans);
}
else
{
id = GlobalState.GetOutputState(trans);
}
if (id == StateID.NullStateID)
{
Debug.LogError("FSM ERROR: State " + CurrentStateID.ToString() + " does not have a target state " +
" for transition " + trans.ToString());
return;
}
// Update the currentStateID and currentState
CurrentStateID = id;
foreach (FSMState <T> state in states)
{
if (state.ID == CurrentStateID)
{
// Do the post processing of the state before setting the new one
CurrentState.DoBeforeLeaving();
CurrentState = state;
// Reset the state to its desired condition before it can reason or act
CurrentState.DoBeforeEntering();
break;
}
}
} // PerformTransition()
