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/*****************************************************************************/
/* SCommon.h Copyright (c) Ladislav Zezula 2003 */
/*---------------------------------------------------------------------------*/
/* Common functions for encryption/decryption from Storm.dll. Included by */
/* SFile*** functions, do not include and do not use this file directly */
/*---------------------------------------------------------------------------*/
/* Date Ver Who Comment */
/* -------- ---- --- ------- */
/* 24.03.03 1.00 Lad The first version of SFileCommon.h */
/* 12.06.04 1.00 Lad Renamed to SCommon.h */
/*****************************************************************************/
#ifndef __SCOMMON_H__
#define __SCOMMON_H__
//-----------------------------------------------------------------------------
// StormLib private defines
#define SFILE_TYPE_DATA 0 // Process the file as data file
#define SFILE_TYPE_WAVE 1 // Process the file as WAVe file
//-----------------------------------------------------------------------------
// External variables
extern TMPQArchive * pFirstOpen;
extern LCID lcLocale;
//-----------------------------------------------------------------------------
// Encryption and decryption functions
int PrepareStormBuffer();
void EncryptHashTable(DWORD * pdwTable, BYTE * pbKey, DWORD dwLength);
void DecryptHashTable(DWORD * pdwTable, BYTE * pbKey, DWORD dwLength);
TMPQHash * FindFreeHashEntry(TMPQArchive * ha, const char * szFileName);
void EncryptBlockTable(DWORD * pdwTable, BYTE * pbKey, DWORD dwLength);
void DecryptBlockTable(DWORD * pdwTable, BYTE * pbKey, DWORD dwLength);
DWORD DetectFileSeed(DWORD * block, DWORD decrypted);
DWORD DetectFileSeed2(DWORD * block, UINT nDwords, ...);
void EncryptMPQBlock(DWORD * pdwBlock, DWORD dwLength, DWORD dwSeed1);
void DecryptMPQBlock(DWORD * pdwBlock, DWORD dwLength, DWORD dwSeed1);
DWORD DecryptHashIndex(TMPQArchive * ha, const char * szFileName);
DWORD DecryptName1 (const char * szFileName);
DWORD DecryptName2 (const char * szFileName);
DWORD DecryptFileSeed (const char * szFileName);
TMPQHash * GetHashEntry (TMPQArchive * ha, const char * szFileName);
TMPQHash * GetHashEntryEx(TMPQArchive * ha, const char * szFileName, LCID lcLocale);
//-----------------------------------------------------------------------------
// Compression and decompression functions
int Compress_pklib (char * pbOutBuffer, int * pdwOutLength, char * pbInBuffer, int dwInLength, int * pCmpType, int nCmpLevel);
int Decompress_pklib(char * pbOutBuffer, int * pdwOutLength, char * pbInBuffer, int dwInLength);
//-----------------------------------------------------------------------------
// Checking functions
BOOL IsValidMpqHandle(TMPQArchive * ha);
BOOL IsValidFileHandle(TMPQFile * hf);
//-----------------------------------------------------------------------------
// Other functions
BOOL SFileOpenArchiveEx(const char * szMpqName, DWORD dwPriority, DWORD dwFlags, HANDLE * phMPQ, DWORD dwAccessMode = GENERIC_READ);
int AddFileToArchive(TMPQArchive * ha, HANDLE hFile, const char * szArchivedName, DWORD dwFlags, DWORD dwQuality, int nFileType, BOOL * pbReplaced);
int SetDataCompression(int nDataCompression);
int SaveMPQTables(TMPQArchive * ha);
void FreeMPQArchive(TMPQArchive *& ha);
BOOL CheckWildCard(const char * szString, const char * szWildCard);
//-----------------------------------------------------------------------------
// Listfile functions
int SListFileCreateListFile(TMPQArchive * ha);
int SListFileAddNode(TMPQArchive * ha, const char * szAddedFile);
int SListFileRemoveNode(TMPQArchive * ha, const char * szFileName);
int SListFileRenameNode(TMPQArchive * ha, const char * szOldFileName, const char * szNewFileName);
int SListFileFreeListFile(TMPQArchive * ha);
int SListFileSaveToMpq(TMPQArchive * ha);
#endif // __SCOMMON_H__
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