private void EnterNPC(Transform mapNpcTrans)
{
expUICtr.EnterNPC(mapNpcTrans.GetComponent <MapNPC> ().npc, currentLevelIndex);
}
/// <summary>
/// 显示npc交互界面
/// </summary>
/// <param name="mapNPC">Map npc.</param>
public void ShowNPCPlane(MapNPC mapNPC)
{
MapWalkableEventsStopAction();
expUICtr.EnterNPC(mapNPC.npc);
}