public void ReplaceState(FSMState newState)
{
canUpdate = false;
if (currentState != null)
{
currentState.OnExit();
if (currentState.IsBasicState == false)
{
currentStates.Pop();
}
}
if (newState != null)
{
currentState = newState;
currentStates.Push(currentState);
currentState.OnEnter(this, () => canUpdate = true);
}
else
{
if (currentStates.Count > 0)
{
currentState = currentStates.Peek();
currentState.OnEnter(this, () => canUpdate = true);
}
else
{
Debug.Log("States empty");
}
}
}
public virtual void OnUpdate()
{
if (debug)
{
DebugWithFSM();
}
//===================================
// 更新Transition
// 更新anyState的Transition
if (anyState != null)
{
foreach (var transition in anyState.transitions)
{
if (transition.IsValid())
{
activeState.OnExit();
activeState = transition.GetNextState();
activeState.OnEnter();
return;
}
}
}
// 遍历当前活动状态的所有转换条件,进行状态转换
foreach (var transition in activeState.transitions)
{
if (transition.IsValid())
{
activeState.OnExit();
activeState = transition.GetNextState();
activeState.OnEnter();
return;
}
}
//===================================
// 更新State
// 更新anyState
if (anyState != null)
{
anyState.OnUpdate();
}
// 没有状态可以转换的时候,执行当前状态要进行的事件
activeState.OnUpdate();
}
