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93 lines
2.5 KiB
93 lines
2.5 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: |
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// |
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// $NoKeywords: $ |
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//=============================================================================// |
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#ifndef SAVERESTORE_BITSTRING_H |
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#define SAVERESTORE_BITSTRING_H |
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#include "isaverestore.h" |
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#if defined( _WIN32 ) |
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#pragma once |
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#endif |
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//------------------------------------- |
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template <class BITSTRING> |
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class CVarBitVecSaveRestoreOps : public CDefSaveRestoreOps |
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{ |
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public: |
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CVarBitVecSaveRestoreOps() = default; |
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// save data type interface |
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virtual void Save( const SaveRestoreFieldInfo_t &fieldInfo, ISave *pSave ) |
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{ |
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BITSTRING *pBitString = (BITSTRING *)fieldInfo.pField; |
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int numBits = pBitString->GetNumBits(); |
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pSave->WriteInt( &numBits ); |
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pSave->WriteInt( pBitString->Base(), pBitString->GetNumDWords() ); |
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} |
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virtual void Restore( const SaveRestoreFieldInfo_t &fieldInfo, IRestore *pRestore ) |
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{ |
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BITSTRING *pBitString = (BITSTRING *)fieldInfo.pField; |
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int numBits = pRestore->ReadInt(); |
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if ( !pBitString->IsFixedSize() ) |
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pBitString->Resize( numBits ); |
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else |
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{ |
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Assert( pBitString->GetNumBits() >= numBits ); |
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pBitString->ClearAll(); |
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} |
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int numIntsInStream = CalcNumIntsForBits( numBits ); |
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int readSize = MIN( pBitString->GetNumDWords(), numIntsInStream ); |
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pRestore->ReadInt( pBitString->Base(), numIntsInStream ); |
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numIntsInStream -= readSize; |
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while ( numIntsInStream-- > 0 ) |
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{ |
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int ignored; |
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pRestore->ReadInt( &ignored, 1 ); |
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} |
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} |
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virtual void MakeEmpty( const SaveRestoreFieldInfo_t &fieldInfo ) |
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{ |
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BITSTRING *pBitString = (BITSTRING *)fieldInfo.pField; |
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pBitString->ClearAll(); |
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} |
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virtual bool IsEmpty( const SaveRestoreFieldInfo_t &fieldInfo ) |
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{ |
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BITSTRING *pBitString = (BITSTRING *)fieldInfo.pField; |
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return pBitString->IsAllClear(); |
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} |
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}; |
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//------------------------------------- |
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template <class BITSTRING> |
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ISaveRestoreOps *GetBitstringDataOps(BITSTRING *) |
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{ |
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static CVarBitVecSaveRestoreOps<BITSTRING> ops; |
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return &ops; |
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} |
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//------------------------------------- |
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#define SaveBitString( pSave, pBitString, fieldtype) \ |
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CDataopsInstantiator<fieldtype>::GetDataOps( pBitString )->Save( pBitString, pSave ); |
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#define RestoreBitString( pRestore, pBitString, fieldtype) \ |
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CDataopsInstantiator<fieldtype>::GetDataOps( pBitString )->Restore( pBitString, pRestore ); |
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//------------------------------------- |
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#define DEFINE_BITSTRING(name) \ |
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{ FIELD_CUSTOM, #name, { offsetof(classNameTypedef,name), 0 }, 1, FTYPEDESC_SAVE, NULL, GetBitstringDataOps(&(((classNameTypedef *)0)->name)), NULL } |
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#endif // SAVERESTORE_BITSTRING_H |
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