hkaDefaultChunkCache.inl
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上传日期:2020-08-09
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文件大小:3k
源码类别:
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.
- *
- */
- /* Hashing function : ( very simple for now )
- h(k) = k mod m ( m = bucket size )
- */
- inline hkBool hkaDefaultChunkCache::hashKey( struct hashKeyInfo& info )
- {
- //
- // run the key through the hashing function ( each pool has its own modulus value == bucket size )
- //
- // which cache pool are we dealing with?
- for( hkUint32 i = 0; i < m_numberOfCachePools; i++ )
- {
- if( info.m_chunkSize < m_cachePools[i].m_chunkSize )
- {
- info.m_cachePool = i;
- break;
- }
- }
- if( info.m_cachePool == -1 )
- {
- // invalid cache pool
- // add this request to the list of unavailable chunks
- #if defined( HK_CACHE_STATS )
- // check if the array already has this chunk
- for( hkInt32 i = 0; i < m_unavailableChunks.getSize(); i++ )
- {
- if( m_unavailableChunks[i].m_chunkSize == info.m_chunkSize )
- {
- // update frequency
- m_unavailableChunks[i].m_frequency++;
- return false;
- }
- }
- // pushback a new unavailable chunk
- struct unavailableChunk uChunk;
- uChunk.m_chunkSize = info.m_chunkSize;
- uChunk.m_frequency = 1;
- m_unavailableChunks.pushBack( uChunk );
- #endif
- // warn that chunk size is unavailable (Ps2 gcc doesn't like the static guard variable in HK_WARN_ONCE)
- HK_WARN_ONCE( 0x1cc3730c, "No cache pool enabled to deal with chunk size!" );
- // failure
- return false;
- }
- // hash the key and store result
- info.m_bucket = ( info.m_key % m_cachePools[ info.m_cachePool ].m_buckets );
- // success
- return true;
- }
- /*
- * 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.
- *
- */