1 files changed, 154 insertions, 0 deletions
diff --git a/engines/wintermute/base/file/base_save_thumb_file.cpp b/engines/wintermute/base/file/base_save_thumb_file.cpp
new file mode 100644
index 0000000000..5bdab0853e
--- /dev/null
+++ b/engines/wintermute/base/file/base_save_thumb_file.cpp
@@ -0,0 +1,154 @@
+/* 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/base/base_persistence_manager.h"
+#include "engines/wintermute/base/file/base_save_thumb_file.h"
+#include "engines/wintermute/platform_osystem.h"
+
+namespace Wintermute {
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+
+//////////////////////////////////////////////////////////////////////////
+BaseSaveThumbFile::BaseSaveThumbFile() {
+	_data = NULL;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+BaseSaveThumbFile::~BaseSaveThumbFile() {
+	close();
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool BaseSaveThumbFile::open(const Common::String &filename) {
+	close();
+
+	if (scumm_strnicmp(filename.c_str(), "savegame:", 9) != 0) {
+		return STATUS_FAILED;
+	}
+
+	char *tempFilename = new char[strlen(filename.c_str()) - 8];
+	strcpy(tempFilename, filename.c_str() + 9);
+	for (uint32 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;
+
+	BasePersistenceManager *pm = new BasePersistenceManager();
+	Common::String slotFilename = pm->getFilenameForSlot(slot);
+	if (!pm) {
+		return STATUS_FAILED;
+	}
+
+	if (DID_FAIL(pm->initLoad(slotFilename))) {
+		delete pm;
+		return STATUS_FAILED;
+	}
+
+	bool res;
+
+	if (pm->_thumbnailDataSize != 0) {
+		_data = new byte[pm->_thumbnailDataSize];
+		memcpy(_data, pm->_thumbnailData, pm->_thumbnailDataSize);
+		_size = pm->_thumbnailDataSize;
+		res = STATUS_OK;
+	} else {
+		res = STATUS_FAILED;
+	}
+	delete pm;
+
+	return res;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool BaseSaveThumbFile::close() {
+	delete[] _data;
+	_data = NULL;
+
+	_pos = 0;
+	_size = 0;
+
+	return STATUS_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool BaseSaveThumbFile::read(void *buffer, uint32 size) {
+	if (!_data || _pos + size > _size) {
+		return STATUS_FAILED;
+	}
+
+	memcpy(buffer, (byte *)_data + _pos, size);
+	_pos += size;
+
+	return STATUS_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool BaseSaveThumbFile::seek(uint32 pos, int whence) {
+	if (!_data) {
+		return STATUS_FAILED;
+	}
+
+	uint32 newPos = 0;
+
+	switch (whence) {
+	case SEEK_SET:
+		newPos = pos;
+		break;
+	case SEEK_END:
+		newPos = _size + pos;
+		break;
+	case SEEK_CUR:
+		newPos = _pos + pos;
+		break;
+	}
+
+	if (newPos > _size) {
+		return STATUS_FAILED;
+	} else {
+		_pos = newPos;
+	}
+
+	return STATUS_OK;
+}
+
+} // end of namespace Wintermute