//通过接受过渡状态来改变当前状态
public void PerformTransition(Transition Trans)
{
//该状态未空则打印错误信息并且返回
if (Trans == Transition.NullTransition)
{
Debug.LogError("FSM ERROR: NullTransition is not allowed for a real transition");
return;
}
//得到当前状态通过过渡状态改变后的状态
StateID id = currentState.GetState(Trans);
//若该状态未空则返回
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
currentStateID = id;
foreach (FSMstate state in states)
{
if (state.ID == currentStateID)
{
currentState.DoBeforeLeaving(ai, po);
currentState = state;
currentState.DoBeforeEntering();
break;
}
}
}
