103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Swap a compiled caption file.
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "utlbuffer.h"
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#include "byteswap.h"
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#include "filesystem.h"
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#include "tier2/fileutils.h"
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#include "captioncompiler.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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BEGIN_BYTESWAP_DATADESC( CompiledCaptionHeader_t )
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DEFINE_FIELD( magic, FIELD_INTEGER ),
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DEFINE_FIELD( version, FIELD_INTEGER ),
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DEFINE_FIELD( numblocks, FIELD_INTEGER ),
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DEFINE_FIELD( blocksize, FIELD_INTEGER ),
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DEFINE_FIELD( directorysize, FIELD_INTEGER ),
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DEFINE_FIELD( dataoffset, FIELD_INTEGER ),
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END_BYTESWAP_DATADESC()
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BEGIN_BYTESWAP_DATADESC( CaptionLookup_t )
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DEFINE_FIELD( hash, FIELD_INTEGER ),
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DEFINE_FIELD( blockNum, FIELD_INTEGER ),
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DEFINE_FIELD( offset, FIELD_SHORT ),
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DEFINE_FIELD( length, FIELD_SHORT ),
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END_BYTESWAP_DATADESC()
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//-----------------------------------------------------------------------------
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// Swap a compiled closecaption file
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//-----------------------------------------------------------------------------
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bool SwapClosecaptionFile( void *pData )
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{
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CByteswap swap;
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swap.ActivateByteSwapping( true );
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CompiledCaptionHeader_t *pHdr = (CompiledCaptionHeader_t*)pData;
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if ( IsX360() )
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{
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// pre-swap file header
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swap.SwapFieldsToTargetEndian( pHdr );
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}
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if ( pHdr->magic != COMPILED_CAPTION_FILEID || pHdr->version != COMPILED_CAPTION_VERSION )
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{
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// bad data
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return false;
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}
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// lookup headers
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pData = (byte*)pData + sizeof(CompiledCaptionHeader_t);
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swap.SwapFieldsToTargetEndian( (CaptionLookup_t*)pData, pHdr->directorysize );
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// unicode data
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pData = (byte*)pHdr + pHdr->dataoffset;
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swap.SwapBufferToTargetEndian( (wchar_t*)pData, (wchar_t*)pData, pHdr->numblocks * pHdr->blocksize / sizeof(wchar_t) );
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if ( IsPC() )
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{
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// post-swap file header
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swap.SwapFieldsToTargetEndian( pHdr );
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}
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return true;
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}
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#if defined( CLIENT_DLL ) || defined( GAME_DLL )
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//-----------------------------------------------------------------------------
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// Callback for UpdateOrCreate - generates .360 file
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//-----------------------------------------------------------------------------
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static bool CaptionCreateCallback( const char *pSourceName, const char *pTargetName, const char *pPathID, void *pExtraData )
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{
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// Generate the file
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CUtlBuffer buf;
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bool bOk = g_pFullFileSystem->ReadFile( pSourceName, pPathID, buf );
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if ( bOk )
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{
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bOk = SwapClosecaptionFile( buf.Base() );
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if ( bOk )
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{
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bOk = g_pFullFileSystem->WriteFile( pTargetName, pPathID, buf );
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}
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else
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{
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Warning( "Failed to create %s\n", pTargetName );
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}
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}
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return bOk;
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}
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//-----------------------------------------------------------------------------
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// Calls utility function UpdateOrCreate
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//-----------------------------------------------------------------------------
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int UpdateOrCreateCaptionFile( const char *pSourceName, char *pTargetName, int maxLen, bool bForce )
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{
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return ::UpdateOrCreate( pSourceName, pTargetName, maxLen, "GAME", CaptionCreateCallback, bForce );
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}
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#endif
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