Unity中Unity FSM 有限状态机的FSMSystem原生脚本

在场景中新建一个FSMSystem脚本，并复制以下的原生脚本！！！

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
 
/**
A Finite State Machine System based on Chapter 3.1 of Game Programming Gems 1 by Eric Dybsand
 
Written by Roberto Cezar Bianchini, July 2010
 
 
How to use:
	1. Place the labels for the transitions and the states of the Finite State System
	    in the corresponding enums.
 
	2. Write new class(es) inheriting from FSMState and fill each one with pairs (transition-state).