//添加新状态到字典
protected void AddState <T>() where T : NPCStateBase
{
//添加状态类的脚本到物体
NPCStateBase state = gameObject.AddComponent <T>();
state.OnInit(); //初始化
states.Add(state.GetType(), state); //添加到状态集合
}
//切换状态
public bool ChangeState <T>() where T : NPCStateBase
{
if (states[typeof(T)] == null) //如果不存在该状态
{
return(false);
}
if (currentState != null)
{
currentState.OnExit(); //旧状态 离开回调
}
currentState = states[typeof(T)]; //重新赋值当前状态
currentState.OnEnter(); //新状态 进入回调
return(true);
}