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73 lines
2.4 KiB
73 lines
2.4 KiB
//===== Copyright c 1996-2008, 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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#include "resourcefile/resourcedictionary.h"
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#include "tier1/generichash.h"
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#include "tier0/dbg.h"
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#include "tier2/fileutils.h"
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// Must be last
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#include "tier0/memdbgon.h"
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#define RESOURCE_ID_HASH_SEED 0xEDABCDEF
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//-----------------------------------------------------------------------------
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// Computes a resource id given a resource name
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//-----------------------------------------------------------------------------
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ResourceId_t ComputeResourceIdHash( const char *pResourceName )
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{
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if ( !pResourceName || !pResourceName[0] )
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return RESOURCE_ID_INVALID;
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int nLength = Q_strlen( pResourceName );
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return (ResourceId_t)MurmurHash2( pResourceName, nLength, RESOURCE_ID_HASH_SEED );
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}
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void GenerateResourceFileName( const char *pFileName, char *pResourceFileName, size_t nBufLen )
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{
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char pContentName[MAX_PATH];
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char pContentNameNoExt[MAX_PATH];
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char pFixedContentName[MAX_PATH];
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if ( Q_IsAbsolutePath( pFileName ) )
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{
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ComputeModContentFilename( pFileName, pContentName, sizeof(pContentName) );
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Q_StripExtension( pContentName, pContentNameNoExt, sizeof(pContentNameNoExt) );
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Q_FixupPathName( pFixedContentName, sizeof(pFixedContentName), pContentNameNoExt );
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g_pFullFileSystem->FullPathToRelativePathEx( pFixedContentName, "CONTENT", pResourceFileName, nBufLen );
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}
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else
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{
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Q_StripExtension( pFileName, pContentNameNoExt, sizeof(pContentNameNoExt) );
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Q_FixupPathName( pResourceFileName, nBufLen, pContentNameNoExt );
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}
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}
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void GenerateResourceName( const char *pFileName, const char *pSubResourceName, char *pResourceName, size_t pBufLen )
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{
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if ( !pSubResourceName )
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{
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pSubResourceName = "";
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}
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char pFixedFileName[MAX_PATH];
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char pFixedSubResourceName[MAX_PATH];
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GenerateResourceFileName( pFileName, pFixedFileName, sizeof(pFixedFileName) );
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Q_strncpy( pFixedSubResourceName, pSubResourceName, sizeof(pFixedSubResourceName) );
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Q_strlower( pFixedSubResourceName );
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Q_snprintf( pResourceName, pBufLen, "%s::%s", pFixedFileName, pFixedSubResourceName );
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}
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ResourceId_t ComputeResourceIdHash( const char *pFileName, const char *pSubResourceName )
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{
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if ( !pFileName || !pFileName[0] )
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return RESOURCE_ID_INVALID;
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char pTemp[MAX_PATH+128];
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GenerateResourceName( pFileName, pSubResourceName, pTemp, sizeof(pTemp) );
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return ComputeResourceIdHash( pTemp );
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}
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