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annotate engine/core/vfs/dat/dat2.h @ 378:64738befdf3b

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bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 11 Jan 2010 23:34:52 +0000
parents 90005975cdbb
children
rev   line source
0
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_MAP_LOADERS_FALLOUT_DAT2_H
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23 #define FIFE_MAP_LOADERS_FALLOUT_DAT2_H
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24
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25 // Standard C++ library includes
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26 #include <map>
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27 #include <string>
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28
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29 // Platform specific includes
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30 #include "util/base/fife_stdint.h"
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31
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32 // 3rd party library includes
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33 #include <boost/scoped_ptr.hpp>
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34
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35 // FIFE includes
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36 // These includes are split up in two parts, separated by one empty line
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37 // First block: files included from the FIFE root src directory
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38 // Second block: files included from the same folder
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39 #include "util/time/timer.h"
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40 #include "vfs/vfs.h"
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41 #include "vfs/vfssource.h"
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42
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43 #include "rawdatadat2.h"
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44
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45 namespace FIFE {
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46 class RawData;
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47
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48 /** VFSource for the Fallout2 DAT file format
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49 *
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50 * Implements a kind of lazy initializing, by reading the file list
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51 * in chunks. Behaviour is the same as if it wouldn't do this,
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52 * but startup is very fast. But a open/fileExists call with a
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53 * filename that doesn't exist, does trigger completely loading
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54 * the file entries.
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55 *
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56 * @see MFFalloutDAT1
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57 * @todo @b maybe merge common DAT1/DAT2 code in a common base class
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58 */
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59 class DAT2 : public VFSSource {
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60
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61 public:
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62 /** Constructor
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63 * Create a VFSSource for a Fallout2 DAT file.
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64 * @param file A Fallout2 DAT file - e.g. master.DAT
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65 */
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66 DAT2(VFS* vfs, const std::string& path);
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67
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68 bool fileExists(const std::string& name) const;
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69 RawData* open(const std::string& file) const;
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70
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71 /** Get Information needed to unpack and extract data
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72 *
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73 * @see MFFalloutDAT1::getInfo
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74 */
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75 const RawDataDAT2::s_info& getInfo(const std::string& name) const;
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76
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77 std::set<std::string> listFiles(const std::string& pathstr) const;
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78 std::set<std::string> listDirectories(const std::string& pathstr) const;
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79
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80 private:
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81 std::string m_datpath;
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82 mutable boost::scoped_ptr<RawData> m_data;
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83 typedef std::map<std::string, RawDataDAT2::s_info> type_filelist;
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84 mutable type_filelist m_filelist;
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85
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86 /// number of file entries to read
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87 mutable uint32_t m_filecount;
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88 /// current index in file
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89 mutable unsigned int m_currentIndex;
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90 /// lazy loading timer
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91 mutable Timer m_timer;
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92
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93 /// read a bunch of file entries
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94 void readFileEntry() const;
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95
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96 /// find a file entry
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97 type_filelist::const_iterator findFileEntry(const std::string& name) const;
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98
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99 std::set<std::string> list(const std::string& pathstr, bool dirs) const;
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100
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101 // Not copyable
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102 DAT2(const DAT2&);
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103 DAT2& operator=(const DAT2&);
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104 };
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105
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106 } // FIFE
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107
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108 #endif