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/***************************************************************************
* Copyright (C) 2005-2019 by the FIFE team *
* http://www.fifengine.net *
* This file is part of FIFE. *
* *
* FIFE is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef FIFE_MAP_LOADERS_FALLOUT_DAT2_H
#define FIFE_MAP_LOADERS_FALLOUT_DAT2_H
// Standard C++ library includes
#include <map>
#include <memory>
#include <string>
// Platform specific includes
#include "util/base/fife_stdint.h"
// 3rd party library includes
// FIFE includes
// These includes are split up in two parts, separated by one empty line
// First block: files included from the FIFE root src directory
// Second block: files included from the same folder
#include "util/time/timer.h"
#include "vfs/vfs.h"
#include "vfs/vfssource.h"
#include "rawdatadat2.h"
namespace FIFE {
class RawData;
/** VFSource for the Fallout2 DAT file format
*
* Implements a kind of lazy initializing, by reading the file list
* in chunks. Behaviour is the same as if it wouldn't do this,
* but startup is very fast. But a open/fileExists call with a
* filename that doesn't exist, does trigger completely loading
* the file entries.
*
* @see MFFalloutDAT1
* @todo @b maybe merge common DAT1/DAT2 code in a common base class
*/
class DAT2 : public VFSSource {
public:
/** Constructor
* Create a VFSSource for a Fallout2 DAT file.
* @param vfs A pointer to the VFS.
* @param path A Fallout2 DAT file - e.g. master.DAT
*/
DAT2(VFS* vfs, const std::string& path);
bool fileExists(const std::string& name) const;
RawData* open(const std::string& file) const;
/** Get Information needed to unpack and extract data
*
* @see MFFalloutDAT1::getInfo
*/
const RawDataDAT2::s_info& getInfo(const std::string& name) const;
std::set<std::string> listFiles(const std::string& pathstr) const;
std::set<std::string> listDirectories(const std::string& pathstr) const;
private:
std::string m_datpath;
mutable std::unique_ptr<RawData> m_data;
typedef std::map<std::string, RawDataDAT2::s_info> type_filelist;
mutable type_filelist m_filelist;
/// number of file entries to read
mutable uint32_t m_filecount;
/// current index in file
mutable uint32_t m_currentIndex;
/// lazy loading timer
mutable Timer m_timer;
/// read a bunch of file entries
void readFileEntry() const;
/// find a file entry
type_filelist::const_iterator findFileEntry(const std::string& name) const;
std::set<std::string> list(const std::string& pathstr, bool dirs) const;
// Not copyable
DAT2(const DAT2&);
DAT2& operator=(const DAT2&);
};
} // FIFE
#endif
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