hctModelessFilter.h
上传用户:yisoukefu
上传日期:2020-08-09
资源大小:39506k
文件大小:4k
- /*
- *
- * 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.
- * Level 2 and Level 3 source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2009 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_H
- #define HAVOK_MODELESS_FILTER_H
- /// This class provides a default implementation for a modeless filter - it handles the creation of threads for processing.
- /// Filters inheriting from this class must implement modalProcess() instead of process() - inside modalProcess() they can/should
- /// operate modally (since a new thread is created for that call)
- /// The other abstract methods are required in order to properly handle "shutdown" requests from the filter manager.
- class hctModelessFilter : public hctFilterInterface
- {
- public:
-
- /// Constructor. It takes a pointer to the filter manager that owns it.
- hctModelessFilter (const class hctFilterManagerInterface* owner);
- /// Destructor - waits for thread, etc
- /*virtual*/ ~hctModelessFilter ();
- /// Filters subclassing from hctModelessFilter should implement their processing here instead of in process().
- /// This will be called from a new thread, so processing here can be modal.
- virtual void modalProcess ( class hkRootLevelContainer& contents ) = 0;
- /// Access to the descriptor.
- virtual class hctModelessFilterDescriptor& getDescriptor() const = 0;
- /// Notifies the (modeless) filter that it should close asap. Usually the filter will set a flag that is checked
- /// by the modal processing method.
- virtual void tryToClose () = 0;
- /// Should return true if the filter is closing down (not blocked). Useful for filters that may take some time to close down,
- /// so the user/filter manager can distinguish between blocked filters and slow filters. By default it returns false - slow
- /// filters should implement this so it returns true when closing down.
- virtual bool isClosingDown () const;
- /// Modeless filters can be treated as modal if desired. Override this method in order to do so.
- /// Default implementation returns false;
- virtual bool behaveAsModal () const ;
- /// Inherited from hctFilterInterface, this implementation copies the contents and creates a new thread to process it,
- /// through the use of "modalProcess()".
- /*virtual*/ void process ( class hkRootLevelContainer& contents ); /* sealed */
- /// Returns true if the thread created for the modeless filter is still active
- bool isThreadActive () const ;
- protected:
- /// Storage data used to clone the scene
- hkArray<char> m_cloneStorage;
- protected:
- /// The thread used by this
- HANDLE m_filterThread;
- };
- #endif // HAVOK_MODELESS_FILTER_H
- /*
- * Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20090216)
- *
- * Confidential Information of Havok. (C) Copyright 1999-2009
- * 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.
- *
- */