diff options
Diffstat (limited to 'engines/wintermute/Base/BSaveThumbFile.cpp')
| -rw-r--r-- | engines/wintermute/Base/BSaveThumbFile.cpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/engines/wintermute/Base/BSaveThumbFile.cpp b/engines/wintermute/Base/BSaveThumbFile.cpp new file mode 100644 index 0000000000..66f1e8a95f --- /dev/null +++ b/engines/wintermute/Base/BSaveThumbFile.cpp @@ -0,0 +1,146 @@ +/* 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 "engines/wintermute/dcgf.h"
+#include "engines/wintermute/Base/BGame.h"
+#include "engines/wintermute/Base/BSaveThumbFile.h"
+#include "engines/wintermute/PlatformSDL.h"
+
+namespace WinterMute {
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+
+//////////////////////////////////////////////////////////////////////////
+CBSaveThumbFile::CBSaveThumbFile(CBGame *inGame): CBFile(inGame) {
+ _data = NULL;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+CBSaveThumbFile::~CBSaveThumbFile() {
+ Close();
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CBSaveThumbFile::Open(const 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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