/// <summary>
/// 状态切换
/// </summary>
/// <param name="trans">条件.</param>
public void PerformTransiton(Transition trans)
{
if (trans == Transition.NullTransiton)
{
Debug.LogError("无法执行空的转换条件");
}
StateID id = currenState.GetOutputState(trans);
if (id == StateID.NullStateId)
{
Debug.LogWarning("当前状态" + currentStateID + "无法根据转换条件" + trans + "发生转换");
return;
}
if (states.ContainsKey(id) == false)
{
Debug.LogError("在状态里面不存在状态" + id + ",无法进行状态转换！"); return;
}
FSMState state = states [id];
//因为要发生转换所以调用当前状态的离开函数
currenState.DoAfterLeaving();
currenState = state;
currentStateID = id;
//调用新状态的进入函数
currenState.DobeforeEntering();
}
