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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "dcgf.h"
#include "BGame.h"
#include "BSaveThumbFile.h"
#include "PlatformSDL.h"
namespace WinterMute {
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
CBSaveThumbFile::CBSaveThumbFile(CBGame *inGame): CBFile(inGame) {
_data = NULL;
}
//////////////////////////////////////////////////////////////////////////
CBSaveThumbFile::~CBSaveThumbFile() {
Close();
}
//////////////////////////////////////////////////////////////////////////
HRESULT CBSaveThumbFile::Open(Common::String Filename) {
Close();
if (scumm_strnicmp(Filename.c_str(), "savegame:", 9) != 0) return E_FAIL;
char *TempFilename = new char[strlen(Filename.c_str()) - 8];
strcpy(TempFilename, Filename.c_str() + 9);
for (int i = 0; i < strlen(TempFilename); i++) {
if (TempFilename[i] < '0' || TempFilename[i] > '9') {
TempFilename[i] = '\0';
break;
}
}
// get slot number from name
int Slot = atoi(TempFilename);
delete [] TempFilename;
char SlotFilename[MAX_PATH + 1];
Game->GetSaveSlotFilename(Slot, SlotFilename);
CBPersistMgr *pm = new CBPersistMgr(Game);
if (!pm) return E_FAIL;
Game->_dEBUG_AbsolutePathWarning = false;
if (FAILED(pm->InitLoad(SlotFilename))) {
Game->_dEBUG_AbsolutePathWarning = true;
delete pm;
return E_FAIL;
}
Game->_dEBUG_AbsolutePathWarning = true;
HRESULT res;
if (pm->_thumbnailDataSize != 0) {
_data = new byte[pm->_thumbnailDataSize];
memcpy(_data, pm->_thumbnailData, pm->_thumbnailDataSize);
_size = pm->_thumbnailDataSize;
res = S_OK;
} else res = E_FAIL;
delete pm;
return res;
}
//////////////////////////////////////////////////////////////////////////
HRESULT CBSaveThumbFile::Close() {
delete[] _data;
_data = NULL;
_pos = 0;
_size = 0;
return S_OK;
}
//////////////////////////////////////////////////////////////////////////
HRESULT CBSaveThumbFile::Read(void *Buffer, uint32 Size) {
if (!_data || _pos + Size > _size) return E_FAIL;
memcpy(Buffer, (byte *)_data + _pos, Size);
_pos += Size;
return S_OK;
}
//////////////////////////////////////////////////////////////////////////
HRESULT CBSaveThumbFile::Seek(uint32 Pos, TSeek Origin) {
if (!_data) return E_FAIL;
uint32 NewPos = 0;
switch (Origin) {
case SEEK_TO_BEGIN:
NewPos = Pos;
break;
case SEEK_TO_END:
NewPos = _size + Pos;
break;
case SEEK_TO_CURRENT:
NewPos = _pos + Pos;
break;
}
if (NewPos < 0 || NewPos > _size) return E_FAIL;
else _pos = NewPos;
return S_OK;
}
} // end of namespace WinterMute
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