说明：   Ogre数据文件分析主要分析Ogre中用于存放外部文件相关的类，例如用于存放Mesh 相关的类或者用于存放纹理的相关的类。这些类组成我们的道具n_ n。我们将对一下儿部分 进行分析。
(Ogre analysis of the data file analysis is mainly used to store the external file Ogre in the relevant classes, such as for storage Mesh Related classes or for the storage of texture-related classes. These classes that make up our props n_ n. We will look at a few parts Analysis)