2024-12-21 10:04:04 +08:00
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#include "StdAfx.h"
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#include "EtSaveMat.h"
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#ifdef _DEBUG
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#define new new(_NORMAL_BLOCK,__FILE__,__LINE__)
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#endif
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CEtSaveMat g_EtSaveMat;
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CSyncLock CEtSaveMat::s_SaveMatLock;
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void CEtSaveMat::Clear()
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{
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ScopeLock< CSyncLock > Lock( s_SaveMatLock );
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m_nCurrentStartIndex += ( int )m_vecSaveMat.size();
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if( m_nCurrentStartIndex > INT_MAX / 2 )
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{
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m_nCurrentStartIndex = 0;
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}
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m_vecSaveMat.clear();
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m_vecTransMat.clear();
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m_vecTransCount.clear();
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}
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bool CEtSaveMat::IsValidIndex( int nIndex )
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{
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if( ( nIndex < m_nCurrentStartIndex ) || ( nIndex >= m_nCurrentStartIndex + ( int )m_vecSaveMat.size() ) )
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{
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return false;
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}
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return true;
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}
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int CEtSaveMat::LockMatrix( int nCount, EtMatrix **pLockedMatrix )
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{
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// <20>α<EFBFBD><CEB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>ÿ<EFBFBD> <20>Ҹ<EFBFBD><D2B8><EFBFBD> <20><><EFBFBD><EFBFBD> <20>ִ<EFBFBD>..
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ScopeLock< CSyncLock > Lock( s_SaveMatLock );
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int nOriginSize = ( int )m_vecSaveMat.size();
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int nResult = nOriginSize + m_nCurrentStartIndex;
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m_vecSaveMat.resize( nOriginSize + nCount );
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m_vecTransMat.resize( nOriginSize + nCount );
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m_vecTransCount.resize( nOriginSize + nCount );
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m_vecTransCount[ nOriginSize ] = nCount;
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*pLockedMatrix = &m_vecSaveMat[ nOriginSize ];
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return nResult;
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ÿ<EFBFBD><C3BF><EFBFBD> m_bSaveTransMat <20><> false <20><> <20>ؼ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD> <20>Ѵ<EFBFBD>.
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void CEtSaveMat::Transform( int nIndex , EtMatrix &TransMat )
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{
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int &nBoneCount = m_vecTransCount[ nIndex - m_nCurrentStartIndex ];
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ASSERT( nBoneCount != 0 );
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if( nBoneCount > 0 ) {
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for( int i = 0; i < nBoneCount; i++) {
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int index = i + nIndex - m_nCurrentStartIndex;
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EtMatrixMultiply( &m_vecTransMat[ index ] , &m_vecSaveMat[ index ], &TransMat);
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}
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if( m_bSaveTransMat ) {
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nBoneCount = -nBoneCount; // marking
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}
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}
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}
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void CEtSaveMat::FlushBuffer()
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{
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ScopeLock< CSyncLock > Lock( s_SaveMatLock );
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SAFE_DELETE_VEC( m_vecSaveMat );
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SAFE_DELETE_VEC( m_vecTransMat );
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SAFE_DELETE_VEC( m_vecTransCount );
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m_nCurrentStartIndex = 0;
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}
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