text: /*
   *
   * Confidential Information of Telekinesys Research Limited (t/a Havok). Not for disclosure or distribution without Havok's
   * prior written consent. This software contains code, techniques and know-how which is confidential and proprietary to Havok.
   * Product and Trade Secret source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2014 Telekinesys Research Limited t/a Havok. All Rights Reserved. Use of this software is subject to the terms of an end user license agreement.
   *
   */
  
  #ifndef HAVOK_MODELESS_FILTER_DESCRIPTOR_H
  #define HAVOK_MODELESS_FILTER_DESCRIPTOR_H
  
  class hctModelessFilter;
  
  // The descriptor of a modeless filter tracks the active instances of the filter
  class hctModelessFilterDescriptor : public hctFilterDescriptor
  {
  	public:
  		
  			/// Constructor
  		hctModelessFilterDescriptor();
  
  			/// Destructor
  		virtual ~hctModelessFilterDescriptor();
  
  		/*virtual*/ const char* getShortName() const { return "Modeless Filter"; }
  
  			/// From hctFilterDescriptor, returns how many modeless filters are active
  		/*virtual*/ int countModelessFilters (int& numActiveOut, int& numClosingout) const;
  
  			/// From hctFilterDescriptor, tells all modeless filters to close asap
  		/*virtual*/ void askModelessFiltersToClose () const;
  
  			/// Adds a filter to the "active filters list", i.e., keeps track of it
  			/// 
  		void addFilterToActiveList (hctModelessFilter* filter);
  
  			/// Removes a filter from the "active filters list"
  		void removeFilterFromActiveList (hctModelessFilter* filter);
  
  			/// Returns the i-th filter in the active filters list
  		hctModelessFilter* getActiveFilter (int i) const;
  
  	private:
  
  			// Linked list of active instances of this filter
  		struct ActiveFilterList
  		{
  			hctModelessFilter* m_activeFilter;
  			ActiveFilterList* m_next;
  		};
  
  		ActiveFilterList* m_activeFilterList;
  		mutable HANDLE m_activeFiltersMutex;
  
  		// Creates the mutex if not already created
  		void createMutexIfNecessary () const;
  
  };
  
  
  #endif // HAVOK_MODELESS_FILTER_DESCRIPTOR_H
  
  /*
   * Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20140907)
   * 
   * Confidential Information of Havok.  (C) Copyright 1999-2014
   * Telekinesys Research Limited t/a Havok. All Rights Reserved. The Havok
   * Logo, and the Havok buzzsaw logo are trademarks of Havok.  Title, ownership
   * rights, and intellectual property rights in the Havok software remain in
   * Havok and/or its suppliers.
   * 
   * Use of this software for evaluation purposes is subject to and indicates
   * acceptance of the End User licence Agreement for this product. A copy of
   * the license is included with this software and is also available at www.havok.com/tryhavok.
   * 
   */
  