//=============================================================================
  // AllocMeshHierarchy.h by Frank Luna (C) 2005 All Rights Reserved.
  //=============================================================================
  
  ifndef ALLOC_MESH_HIERARCHY_H
  define ALLOC_MESH_HIERARCHY_H
  
  include <d3dx9.h>
  
  // Implements the ID3DXAllocateHierarchy interface.  In order to create and destroy an animation 
  // hierarchy using the D3DXLoadMeshHierarchyFromX and D3DXFrameDestroy functions, we must implement
  // the ID3DXAllocateHierarchy interface, which defines how meshes and frames are created and 
  // destroyed, thereby giving us some flexibility in the construction and destruction process.
  
  class AllocMeshHierarchy : public ID3DXAllocateHierarchy 
  {
  public:
          HRESULT STDMETHODCALLTYPE CreateFrame(THIS_ PCSTR Name, D3DXFRAME** ppNewFrame);                     
  
          HRESULT STDMETHODCALLTYPE CreateMeshContainer(PCSTR Name, const D3DXMESHDATA* pMeshData,               
                  const D3DXMATERIAL* pMaterials, const D3DXEFFECTINSTANCE* pEffectInstances, DWORD NumMaterials, 
                  const DWORD *pAdjacency, ID3DXSkinInfo* pSkinInfo, D3DXMESHCONTAINER** ppNewMeshContainer);     
  
          HRESULT STDMETHODCALLTYPE DestroyFrame(THIS_ D3DXFRAME* pFrameToFree);              
          HRESULT STDMETHODCALLTYPE DestroyMeshContainer(THIS_ D3DXMESHCONTAINER* pMeshContainerBase);
  };
  
  endif // ALLOC_MESH_HIERARCHY_H