hkSeekableStreamReader.h
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上传日期:2020-08-09
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文件大小:2k
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其他游戏
开发平台:
Visual C++
- /*
- *
- * 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 HKBASE_SEEKABLE_STREAMREADER_H
- #define HKBASE_SEEKABLE_STREAMREADER_H
- #include <Common/Base/hkBase.h>
- #include <Common/Base/System/Io/Reader/hkStreamReader.h>
- /// Utility class for readers which implement seek.
- /// Derived classes must implement seek and tell. The mark
- /// interface is implemented with calls to these methods.
- /// Note that while this always works, it may be quite slow
- /// if the streams underlying seek and tell are slow. In this
- /// case it may be a better solution to wrap the stream in an
- /// hkBufferedStreamReader instead which is guaranteed to be fast.
- class hkSeekableStreamReader : public hkStreamReader
- {
- public:
- hkSeekableStreamReader()
- : m_markPos(-1)
- {
- }
- virtual hkBool markSupported() const
- {
- return true;
- }
- virtual hkResult setMark(int markLimit)
- {
- m_markPos = tell();
- return (m_markPos != -1) ? HK_SUCCESS : HK_FAILURE;
- }
- virtual hkResult rewindToMark()
- {
- return seek(m_markPos, STREAM_SET);
- }
- virtual hkBool seekTellSupported() const
- {
- return true;
- }
- // must implement seek
- // must implement tell
- protected:
- int m_markPos;
- };
- #endif //HKBASE_SEEKABLE_STREAMREADER_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.
- *
- */