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77 lines
1.6 KiB
77 lines
1.6 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: |
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// |
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//============================================================================= |
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#ifndef CAPTIONCOMPILER_H |
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#define CAPTIONCOMPILER_H |
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#ifdef _WIN32 |
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#pragma once |
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#endif |
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#include "datamap.h" |
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#include "checksum_crc.h" |
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#define MAX_BLOCK_BITS 13 |
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#define MAX_BLOCK_SIZE (1<<MAX_BLOCK_BITS ) |
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#define COMPILED_CAPTION_FILEID MAKEID( 'V', 'C', 'C', 'D' ) |
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#define COMPILED_CAPTION_VERSION 1 |
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#pragma pack(1) |
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struct CompiledCaptionHeader_t |
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{ |
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DECLARE_BYTESWAP_DATADESC() |
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int magic; |
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int version; |
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int numblocks; |
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int blocksize; |
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int directorysize; |
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int dataoffset; |
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}; |
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struct CaptionLookup_t |
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{ |
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DECLARE_BYTESWAP_DATADESC() |
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unsigned int hash; |
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int blockNum; |
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unsigned short offset; |
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unsigned short length; |
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void SetHash( char const *string ) |
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{ |
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int len = Q_strlen( string ); |
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char *tempstr = (char *)_alloca( len + 1 ); |
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Q_strncpy( tempstr, string, len + 1 ); |
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Q_strlower( tempstr ); |
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CRC32_t temp; |
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CRC32_Init( &temp ); |
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CRC32_ProcessBuffer( &temp, tempstr, len ); |
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CRC32_Final( &temp ); |
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hash = ( unsigned int )temp; |
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} |
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}; |
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#pragma pack() |
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class CCaptionLookupLess |
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{ |
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public: |
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bool Less( const CaptionLookup_t& lhs, const CaptionLookup_t& rhs, void *pContext ) |
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{ |
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return lhs.hash < rhs.hash; |
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} |
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}; |
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struct CaptionBlock_t |
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{ |
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byte data[ MAX_BLOCK_SIZE ]; |
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}; |
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// For swapping compiled caption files |
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bool SwapClosecaptionFile( void *pData ); |
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int UpdateOrCreateCaptionFile( const char *pSourceName, char *pTargetName, int targetLen, bool bForce = false ); |
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#endif // CAPTIONCOMPILER_H
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