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annotate engine/core/pathfinder/search.h @ 46:90005975cdbb

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* Final LGPL switch step by adjusting the file headers * Remaining issues (just slightly related to the unittest switch): * No working unittest solution for msvc2005 yet * Unittests not working with mingw + scons either though this seems hard to impossible to fix without an expert in this field * sample_unit_test.cpp would need to get modified for unittest++; it still contains the old boost unittest code
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 13 Jul 2008 11:05:12 +0000
parents 4a0efb7baf70
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 * *
46
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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. *
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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_PATHFINDER_SEARCH
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23 #define FIFE_PATHFINDER_SEARCH
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24
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25 // Standard C++ library includes
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26 #include <vector>
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27
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28 // 3rd party library includes
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29
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30 // FIFE includes
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31 // These includes are split up in two parts, separated by one empty line
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32 // First block: files included from the FIFE root src directory
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33 // Second block: files included from the same folder
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34 #include "model/structures/location.h"
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35
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36 namespace FIFE {
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37
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38 class SearchSpace;
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39
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40 /** A base class that all searches must derive from.
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41 *
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42 */
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43 class Search {
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44 public:
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45 typedef std::list<Location> Path;
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46 /** An enumeration of the different status the search can be in.
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47 *
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48 */
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49 enum SearchStatus {
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50 search_status_failed,
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51 search_status_complete,
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52 search_status_incomplete
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53 };
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54 /** Constructor.
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55 *
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56 * @param session_id The id in the pather that references this session.
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57 * @param from The location where the search should be started from.
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58 * @param to The location where the search should finish.
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59 * @param pather A pointer to the pather controlling this session.
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60 */
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61 Search(const int session_id, const Location& from, const Location& to, SearchSpace* searchspace)
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62 : m_to(to), m_from(from), m_sessionId(session_id), m_searchspace(searchspace),
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63 m_status(search_status_incomplete) {
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64 }
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65
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66 /** Destructor.
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67 *
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68 */
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69 virtual ~Search() {}
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70
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71 /** Retrieves the session id.
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72 *
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73 * @return The searches session id in the pather.
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74 */
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75 int getSessionId() const {
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76 return m_sessionId;
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77 }
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78
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79 /** Retrieves the pather.
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80 *
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81 * @return A pointer to the abstract pather which
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82 */
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83 SearchSpace* getSearchSpace() const {
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84 return m_searchspace;
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85 }
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86
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87 /** A small function which returns the current status of the search.
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88 *
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89 * @return An integer value representing the status, which is enumerated by this class.
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90 */
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91 int getSearchStatus() const {
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92 return m_status;
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93 }
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94
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95
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96 /** Updates the search and returns the next part of the path or the entire path if the
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97 * algorithm is offline.
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98 *
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99 * @return A vector of Location objects representing the path.
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100 */
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101 virtual void updateSearch() = 0;
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102
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103 /** Calculates a path generated by a search.
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104 *
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105 * Creates a path and returns it.
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106 */
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107 virtual Path calcPath() = 0;
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108 protected:
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109
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110 /** Sets the current status of the search.
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111 *
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112 * @param status The status to set.
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113 */
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114 void setSearchStatus(const SearchStatus status) {
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115 m_status = status;
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116 }
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117
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118 //A location object representing where the search started.
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119 Location m_to;
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120
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121 //A location object representing where the search ended.
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122 Location m_from;
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123
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124 //An integer containing the session id for this search.
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125 int m_sessionId;
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126
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127 //A pointer to the pather that owns this search.
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128 SearchSpace* m_searchspace;
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129
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130 //An enumeration of the searches current status.
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131 SearchStatus m_status;
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132 };
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133
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134 }
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135
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136 #endif