reman3/Rayman_X/cpa/tempgrp/ITF/SaveMngr.cpp

644 lines
18 KiB
C++

/*
=======================================================================================
Name :SaveMngr.cpp
Author :Vincent Lhullier Date :11/07/97
Description :manage save of data before modification
Create a copy of GameData tree with all file that would be modified. That will allow
someone to recuperate previous version if save generate some problem in data.
=======================================================================================
Modification -> Author : Date :
Description :
=======================================================================================
*/
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#include "stdafx.h"
#ifdef ACTIVE_EDITOR
#include <io.h>
#include "SaveMngr.h"
#include "acp_base.h"
#include "itf/CPAProj.hpp"
#include "DPT.h"
#include "SCR.h"
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/*
=======================================================================================
STRUCTURE
=======================================================================================
*/
typedef struct SAVE_tdstFile_
{
char *szName;
char cNew;
} SAVE_tdstFile;
/*
=======================================================================================
GLOBALS
=======================================================================================
*/
/*
* indicate next number of version to use to save files
* Warning : to be valid you must call SAVE_fn_vAnalyseCurrentUsedVersion before using
* this number
*/
static long SAVE_g_lNextVersionNumber;
static BOOL SAVE_g_bContinue;
static BOOL SAVE_g_bGenerateIsActive = 2;
static char SAVE_g_szDirName[ _MAX_PATH ];
static SAVE_tdstFile *SAVE_gs_d_stFile;
static long SAVE_gs_lNumberOfFiles;
static char *SAVE_g_szGameData;
static long SAVE_g_lGameDataLength;
/*
=======================================================================================
=======================================================================================
FUNCTIONS
=======================================================================================
=======================================================================================
*/
/*
=======================================================================================
Directory Functions
=======================================================================================
*/
/*
----------------------------------------------------------------------------------------
Don't call this function directly, it is used by SAVE_fn_bDeleteTree
Description : delete recursively a directory
Returns (BOOL ) true if success
----------------------------------------------------------------------------------------
*/
BOOL fn_bDeleteTree( void )
{
WIN32_FIND_DATA stFindData;
HANDLE hFind;
char *p_szEndDirName;
p_szEndDirName = SAVE_g_szDirName + strlen( SAVE_g_szDirName );
strcpy( p_szEndDirName, "\\*.*" );
if( (hFind = FindFirstFile(SAVE_g_szDirName, &stFindData )) == INVALID_HANDLE_VALUE)
return TRUE;
*p_szEndDirName = 0;
do
{
*p_szEndDirName = '\\';
strcpy( p_szEndDirName + 1, stFindData.cFileName );
if ( stFindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
{
if ( *stFindData.cFileName != '.')
{
if ( !fn_bDeleteTree() )
return FALSE;
}
}
else
{
if (_access( SAVE_g_szDirName, 2) == -1 )
_chmod( SAVE_g_szDirName, _S_IWRITE );
if ( !DeleteFile( SAVE_g_szDirName ) )
return FALSE;
}
*p_szEndDirName = 0;
} while(FindNextFile( hFind, &stFindData ));
FindClose( hFind );
return RemoveDirectory( SAVE_g_szDirName );
}
/*
----------------------------------------------------------------------------------------
Description : delete completely a directory
szDirName -> name of dir to delete
Returns (BOOL ) true if success
----------------------------------------------------------------------------------------
*/
BOOL SAVE_fn_bDeleteTree( char *szDirName )
{
strcpy( SAVE_g_szDirName, szDirName );
return fn_bDeleteTree();
}
/*
----------------------------------------------------------------------------------------
Description : create a directory
szDirName -> name of directory
Returns (BOOL ) true if sucess
----------------------------------------------------------------------------------------
*/
BOOL SAVE_fn_bCreateDirectory( char *szDirName )
{
if ( (!CreateDirectory( szDirName, NULL )) && (GetLastError() != ERROR_ALREADY_EXISTS) )
{
char *p_szCur;
p_szCur = strchr( szDirName, '\\');
while (p_szCur != NULL)
{
*p_szCur = 0;
if ((!CreateDirectory (szDirName, NULL)) && (GetLastError() != ERROR_ALREADY_EXISTS) )
{
char szMessage[ 512 ];
sprintf( szMessage, "Can't create local path %s", szDirName );
SAVE_fn_vErrorMessage( szMessage );
return FALSE;
}
*p_szCur++ = '\\';
p_szCur = strchr( p_szCur, '\\');
};
if ((!CreateDirectory (szDirName, NULL)) && (GetLastError() != ERROR_ALREADY_EXISTS) )
{
char szMessage[ 512 ];
sprintf( szMessage, "Can't create local path %s", szDirName );
SAVE_fn_vErrorMessage( szMessage );
return FALSE;
}
}
return TRUE;
}
/*
=======================================================================================
Error functions
=======================================================================================
*/
/*
----------------------------------------------------------------------------------------
Description : display an error message
_szMessage -> message to display
----------------------------------------------------------------------------------------
*/
void SAVE_fn_vErrorMessage( char *_szMessage )
{
char szError[1024];
char *p_szError = szError;
p_szError += sprintf( p_szError, "Error saving current version before saving new data\n" );
p_szError += sprintf( p_szError, "You will not be able to get local previous version\n" );
p_szError += sprintf( p_szError, "---------------------------------------------------\n" );
p_szError += sprintf( p_szError, "%s\n\n", _szMessage );
p_szError += sprintf( p_szError, " Save anyway ?" );
SAVE_g_bContinue = AfxMessageBox( szError, MB_ICONSTOP | MB_YESNO );
}
/*
=======================================================================================
Version functions
=======================================================================================
*/
/*
----------------------------------------------------------------------------------------
Description :
_szSavedDirectoryName -> name of directory from which function extract version number
Returns (long ) version number if it's a valid directory, -1 else
----------------------------------------------------------------------------------------
*/
long SAVE_fn_lGetVersionNumberFromDirExt( char *_szSavedDirectoryName )
{
char *p_szExt;
long lVersionNumber = -1;
p_szExt = strchr( _szSavedDirectoryName, '.' );
if (p_szExt != NULL)
{
if ( strlen( ++p_szExt ) == 3)
{
lVersionNumber = 0;
while (*p_szExt != 0)
{
if ( !isdigit (*p_szExt) )
return -1;
lVersionNumber = lVersionNumber * 10 + (*p_szExt++ - '0');
}
}
}
return lVersionNumber;
}
/*
----------------------------------------------------------------------------------------
Description : return name of directory used to store data for a given version
lVersion -> version number
szVersionDirName -> to put dir name (assumed to be long enough )
----------------------------------------------------------------------------------------
*/
void SAVE_fn_vGetVersionDirName( long _lVersion, char *_szVersionDirName )
{
sprintf( _szVersionDirName, "%s.%03d", fn_szGetGameDataPath(), _lVersion );
}
/*
----------------------------------------------------------------------------------------
Description : delete a version directory
_lVersion -> number of version
Returns (BOOL ) true if success
----------------------------------------------------------------------------------------
*/
BOOL SAVE_fn_bDeleteVersion( long _lVersion )
{
char szVersionName[ _MAX_PATH ];
SAVE_fn_vGetVersionDirName( _lVersion, szVersionName );
if (!SAVE_fn_bDeleteTree( szVersionName ))
{
char szMessage[100];
sprintf( szMessage, "Can't delete old %s version directory", szVersionName );
SAVE_fn_vErrorMessage( szMessage );
return FALSE;
}
return TRUE;
}
/*
----------------------------------------------------------------------------------------
Description : rename a version
_lOldVersion -> old version number
_lNewVersion -> new version number
Returns (BOOL )
----------------------------------------------------------------------------------------
*/
BOOL SAVE_fn_bRenameVersion( long _lOldVersion, long _lNewVersion )
{
char szOldVersion[ _MAX_PATH ];
char szNewVersion[ _MAX_PATH ];
SAVE_fn_vGetVersionDirName( _lOldVersion, szOldVersion );
SAVE_fn_vGetVersionDirName( _lNewVersion, szNewVersion );
if ( !MoveFile( szOldVersion, szNewVersion) )
{
char szMessage[100];
sprintf( szMessage, "Can't rename old %s version to new version %s ", szOldVersion, szNewVersion );
SAVE_fn_vErrorMessage( szMessage );
return FALSE;
}
return TRUE;
}
/*
----------------------------------------------------------------------------------------
Description : analyse the current version that are on disk
a_cVersion -> array of 1000 char that will be filled
each case is a flag that indicate if a version number is used or not
return (long) number of used version
----------------------------------------------------------------------------------------
*/
long SAVE_fn_lGetUsedVersion( char *a_cVersion )
{
WIN32_FIND_DATA stFindData;
HANDLE hFind;
char szFilter[ _MAX_PATH ];
long lNumberOfVersions = 0;
long lVersion;
/*
* set all version as unused
*/
memset ( a_cVersion , 0, 1000 );
sprintf( szFilter, "%s.*", fn_szGetGameDataPath() );
if( (hFind = FindFirstFile(szFilter, &stFindData )) == INVALID_HANDLE_VALUE)
return 0;
do
{
if ( stFindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
{
lVersion = SAVE_fn_lGetVersionNumberFromDirExt( stFindData.cFileName );
if (lVersion != -1)
{
a_cVersion[ lVersion ] = 1;
lNumberOfVersions++ ;
}
}
} while(FindNextFile( hFind, &stFindData ));
FindClose( hFind );
return lNumberOfVersions;
}
/*
----------------------------------------------------------------------------------------
Description : analyse the current version that are on disk
----------------------------------------------------------------------------------------
*/
BOOL SAVE_fn_bAnalyseCurrentUsedVersion( void )
{
char a_cVersion[1000];
long lNumberOfVersions;
long lVersion;
long lVersionIndex;
long lLastUnusedVersion = -1;
/*
* get used versions
*/
lNumberOfVersions = SAVE_fn_lGetUsedVersion( a_cVersion );
if (lNumberOfVersions == 0)
{
SAVE_g_lNextVersionNumber = 0;
return TRUE;
}
/*
* check for hole in version number
*/
lVersion = 0;
for (lVersionIndex = 0; lVersion < lNumberOfVersions; lVersionIndex ++)
{
if (a_cVersion[ lVersionIndex ])
{
lVersion ++;
}
else
{
lLastUnusedVersion = lVersionIndex;
}
}
if (lLastUnusedVersion == -1)
{
SAVE_g_lNextVersionNumber = lNumberOfVersions;
}
else
{
for (lVersionIndex = 0; lVersionIndex < lLastUnusedVersion; lVersionIndex++)
{
if (a_cVersion[ lVersionIndex ])
{
if (!SAVE_fn_bDeleteVersion( lVersionIndex ))
{
return FALSE;
}
}
}
lVersion = 0;
for (lVersionIndex = lLastUnusedVersion + 1; a_cVersion[ lVersionIndex ]; lVersionIndex ++)
{
if (!SAVE_fn_bRenameVersion( lVersionIndex, lVersion ++ ))
{
return FALSE;
}
}
SAVE_g_lNextVersionNumber = lVersion;
}
return TRUE;
}
/*
=======================================================================================
modified File functions
=======================================================================================
*/
/*
----------------------------------------------------------------------------------------
Description : Add Gamedata dir behind name if not already here and check if file
exist
szFile -> name to check
Returns (BOOL ) true if file exist
----------------------------------------------------------------------------------------
*/
BOOL SAVE_fn_bGetGameDataFile( char *szFile )
{
if (strnicmp( szFile, SAVE_g_szGameData, SAVE_g_lGameDataLength ) != 0)
{
memmove( szFile + SAVE_g_lGameDataLength + 1, szFile, strlen( szFile ));
memcpy ( szFile, SAVE_g_szGameData, SAVE_g_lGameDataLength );
*(szFile + SAVE_g_lGameDataLength) = '\\';
}
return ( _access( szFile, 0) == 0);
}
/*
----------------------------------------------------------------------------------------
Description : add file in array of file to save. check if file doesn't still exist
szFile -> name to add
----------------------------------------------------------------------------------------
*/
void SAVE_fn_vAddFile( char *_szFile, char _cNew )
{
long lFile;
/*
* check if file doesn't till exist in list
*/
for (lFile = 0; lFile < SAVE_gs_lNumberOfFiles; lFile++)
{
if (stricmp( _szFile, SAVE_gs_d_stFile[ lFile ].szName ) == 0 )
return;
}
/*
* Add file
*/
SAVE_gs_d_stFile[ SAVE_gs_lNumberOfFiles ].szName = (char *) malloc( strlen( _szFile ) + 1 );
strcpy( SAVE_gs_d_stFile[ SAVE_gs_lNumberOfFiles ].szName, _szFile );
SAVE_gs_d_stFile[ SAVE_gs_lNumberOfFiles ].cNew = _cNew;
SAVE_gs_lNumberOfFiles++;
}
/*
----------------------------------------------------------------------------------------
Description : delete file list
----------------------------------------------------------------------------------------
*/
void SAVE_fn_vFreeFileList( void )
{
long lFile;
if ( SAVE_gs_d_stFile != NULL)
{
for (lFile = 0; lFile < SAVE_gs_lNumberOfFiles; lFile++)
free ( SAVE_gs_d_stFile[ lFile ].szName );
free ( SAVE_gs_d_stFile );
SAVE_gs_d_stFile = NULL;
}
}
/*
----------------------------------------------------------------------------------------
Description : read all notification to buil list of files that would be modified
return (long ) : number of file in list
----------------------------------------------------------------------------------------
*/
long SAVE_fn_lGetNotifiedFileList( void )
{
unsigned int uiPos;
SCR_tdst_Ntfy_Description *p_stNtfy;
char szFile[ _MAX_PATH ];
char *p_szEndFile;
long lNbMaxFiles;
/*
* get number max of files and allocate array to store filenames
*/
lNbMaxFiles = SCR_g_st_Ntfy_Array.uiNumValues;
SAVE_gs_lNumberOfFiles = 0;
SAVE_gs_d_stFile = (SAVE_tdstFile *) malloc( (lNbMaxFiles + 1) * sizeof( SAVE_tdstFile ) );
/*
* add eventually modification file
*/
strcpy( szFile, "modiflst.txt" );
SAVE_fn_vAddFile( szFile, SAVE_fn_bGetGameDataFile( szFile ) ? 0 : 1 );
/*
* parse all notifications
*/
for (uiPos = 0; uiPos < (unsigned short) lNbMaxFiles; uiPos ++)
{
SCR_M_DyAr_GetNextElement(SCR_tdst_Ntfy_Description, uiPos, p_stNtfy, SCR_g_st_Ntfy_Array);
if (p_stNtfy == NULL)
break;
strcpy( szFile, p_stNtfy->a_szSectionName );
p_szEndFile = strchr( szFile, '^' );
if (p_szEndFile != NULL)
*p_szEndFile = 0;
SAVE_fn_vAddFile( szFile, SAVE_fn_bGetGameDataFile( szFile ) ? 0 : 1 );
}
return SAVE_gs_lNumberOfFiles;
}
/*
----------------------------------------------------------------------------------------
Description : create new tree with saved file
----------------------------------------------------------------------------------------
*/
BOOL SAVE_fn_bCreateNewVersion( void )
{
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
long lFile;
char szNewFile[ _MAX_PATH ];
char *p_szNewFile;
char *p_szEndPath;
FILE *hpFile;
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
SAVE_fn_vGetVersionDirName( SAVE_g_lNextVersionNumber, szNewFile );
p_szNewFile = szNewFile + strlen( szNewFile );
*p_szNewFile++ = '\\';
/*
* copy file that exist and are going to be modified
*/
for (lFile = 0; lFile < SAVE_gs_lNumberOfFiles; lFile ++)
{
if ( SAVE_gs_d_stFile[lFile].cNew == 0)
{
strcpy( p_szNewFile, SAVE_gs_d_stFile[ lFile ].szName + SAVE_g_lGameDataLength + 1 );
p_szEndPath = strrchr( szNewFile, '\\' );
*p_szEndPath = 0;
if ( !SAVE_fn_bCreateDirectory( szNewFile ) )
return FALSE;
*p_szEndPath = '\\';
if ( !CopyFile( SAVE_gs_d_stFile[ lFile ].szName, szNewFile, FALSE ) )
{
//char szMessage[ 512 ];
//sprintf( szMessage, "Can't copy %s to %s", SAVE_g_d_szFile[ lFile ], szNewFile );
return FALSE;
}
}
}
/*
* create a file with all file that are going to be created
*/
strcpy( p_szNewFile, "delete.lst" );
if ((hpFile = fopen( szNewFile, "wt" )) == NULL)
return FALSE;
for (lFile = 0; lFile < SAVE_gs_lNumberOfFiles; lFile ++)
{
if ( SAVE_gs_d_stFile[lFile].cNew )
fprintf( hpFile, "%s\n", SAVE_gs_d_stFile[ lFile ].szName + SAVE_g_lGameDataLength + 1 );
}
fclose( hpFile );
return TRUE;
}
/*
=======================================================================================
principal function
=======================================================================================
*/
/*
----------------------------------------------------------------------------------------
Description : make a copy of file that will be deleted.
----------------------------------------------------------------------------------------
*/
BOOL SAVE_fn_bGenerateACopyOfFilesBeforeModification( void )
{
SAVE_g_bContinue = TRUE;
if (SAVE_g_bGenerateIsActive == 2)
{
CString csFileName;
csFileName = M_GetMainApp()->m_csEditorDataPath + C_szInterfaceIniFile;
SAVE_g_bGenerateIsActive = GetPrivateProfileInt ("SecuritySave", "Active", 1, (char*)(LPCSTR) csFileName);
}
if ( !SAVE_g_bGenerateIsActive )
return TRUE;
if (SCR_g_st_Ntfy_Array.uiNumValues == 0)
return TRUE;
/*
* init
*/
SAVE_g_szGameData = fn_szGetGameDataPath();
SAVE_g_lGameDataLength = strlen( SAVE_g_szGameData );
if (SAVE_fn_bAnalyseCurrentUsedVersion())
{
if (SAVE_fn_lGetNotifiedFileList())
{
SAVE_fn_bCreateNewVersion();
SAVE_fn_vFreeFileList();
}
}
return SAVE_g_bContinue;
}
#endif /*ACTIVE_EDITOR*/