text: 
  /*
   * -----------------------------------------------------------------------------
   * This source file is part of OGRE
   * (Object-oriented Graphics Rendering Engine)
   * For the latest info, see http://www.ogre3d.org/
   *
   * Copyright (c) 2000-2014 Torus Knot Software Ltd
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   * -----------------------------------------------------------------------------
   */
  
  #ifndef _LodOutputProviderCompressedMesh_H__
  #define _LodOutputProviderCompressedMesh_H__
  
  #include "OgreLodPrerequisites.h"
  #include "OgreLodOutputProvider.h"
  #include "OgreSharedPtr.h"
  
  namespace Ogre
  {
  
  class _OgreLodExport LodOutputProviderCompressedMesh :
      public LodOutputProvider
  {
  public:
      LodOutputProviderCompressedMesh(MeshPtr mesh);
      ~LodOutputProviderCompressedMesh();
      virtual void prepare(LodData* data);
      virtual void finalize(LodData* data);
      virtual void bakeManualLodLevel(LodData* data, String& manualMeshName, int lodIndex);
      virtual void bakeLodLevel(LodData* data, int lodIndex);
      virtual void inject();
  
      virtual void triangleRemoved(LodData* data, LodData::Triangle* tri);
      virtual void triangleChanged(LodData* data, LodData::Triangle* tri);
  
  protected:
  
      LodOutputProviderCompressedMesh();
  
      struct TriangleCache {
          unsigned int vertexID[3];
          bool vertexChanged;
      };
  
      typedef vector<TriangleCache>::type TriangleCacheList;
  
      /// First pass will create the mTriangleCacheList and second pass will use it.
      /// This is required, because the triangles from first pass will be changed and we need to keep the information.
      TriangleCacheList mTriangleCacheList;   
  
      /// Lod index of the buffer for mTriangleCacheList.
      bool mFirstBufferPass;
  
      /// if uneven lod levels are created, we need to fall back for the last lod level.
      LodOutputProvider* fallback;
      MeshPtr mMesh;
  
      int mLastIndexBufferID;
  
      virtual void bakeFirstPass(LodData* data, int lodIndex);
      virtual void bakeSecondPass(LodData* data, int lodIndex);
  };
  
  }
  #endif
  
  
  