修复地图很黑很黑

错误的：

    <template material="Terrain/OneLayerColorMap" name="OneLayer"/>
    <template material="Terrain/OneLayerLightmapColorMap" name="OneLayerLightmap"/>
    <template material="Terrain/TwoLayerColorMapAlphaBlend" name="TwoLayer"/>
    <template material="Terrain/TwoLayerLightmapColorMapAlphaBlend" name="TwoLayerLightmap"/>

因为不兼容官方的，所以修改一下：
文件底部修改：qinhuanggong_5.Terrain

  <materials>
    <template material="Terrain/OneLayer" name="OneLayer"/>
    <template material="Terrain/OneLayerLightmap" name="OneLayerLightmap"/>
    <template material="Terrain/TwoLayer" name="TwoLayer"/>
    <template material="Terrain/TwoLayerLightmap" name="TwoLayerLightmap"/>
    <fog_replacement exp="Terrain/OneLayer_ps%fog_exp" exp2="Terrain/OneLayer_ps%fog_exp2" linear="Terrain/OneLayer_ps%fog_linear" none="Terrain/OneLayer_ps"/>
    <fog_replacement exp="Terrain/TwoLayer_ps%fog_exp" exp2="Terrain/TwoLayer_ps%fog_exp2" linear="Terrain/TwoLayer_ps%fog_linear" none="Terrain/TwoLayer_ps"/>
    <fog_replacement exp="Terrain/OneLayerLightmap_ps%fog_exp" exp2="Terrain/OneLayerLightmap_ps%fog_exp2" linear="Terrain/OneLayerLightmap_ps%fog_linear" none="Terrain/OneLayerLightmap_ps"/>
    <fog_replacement exp="Terrain/TwoLayerLightmap_ps%fog_exp" exp2="Terrain/TwoLayerLightmap_ps%fog_exp2" linear="Terrain/TwoLayerLightmap_ps%fog_linear" none="Terrain/TwoLayerLightmap_ps"/>
  </materials>