Mercurial > fife-parpg

annotate engine/core/model/structures/map.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 7e5717105212
children 9d94f4676d17
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. *
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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_MAP_H
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23 #define FIFE_MAP_MAP_H
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24
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25 // Standard C++ library includes
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26 #include <list>
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27 #include <string>
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28 #include <vector>
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29
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30 // 3rd party library includes
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31
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32 // FIFE includes
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33 // These includes are split up in two parts, separated by one empty line
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34 // First block: files included from the FIFE root src directory
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35 // Second block: files included from the same folder
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36 #include "util/base/resourceclass.h"
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37 #include "util/resource/resource.h"
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38 #include "model/metamodel/timeprovider.h"
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39
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40 #include "location.h"
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41
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42 namespace FIFE {
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43
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44 class Layer;
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45 class CellGrid;
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46 class Map;
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47
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48 /** Listener interface for changes happening on map
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49 */
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50 class MapChangeListener {
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51 public:
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52 virtual ~MapChangeListener() {};
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53
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54 /** Called when some layer is changed on map. @see LayerChangeListener
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55 * Layer is effectively changed, in case some of its instances
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56 * is created, deleted or changed during latest update cycle
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57 * @param map where change occurred
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58 * @param changedLayers list of layers containing some changes
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59 * @note Does not report layer creations and deletions
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60 */
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61 virtual void onMapChanged(Map* map, std::vector<Layer*>& changedLayers) = 0;
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62
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63 /** Called when some layer gets created on the map
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64 * @param map where change occurred
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65 * @param layer which got created
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66 */
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67 virtual void onLayerCreate(Map* map, Layer* layer) = 0;
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68
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69 /** Called when some instance gets deleted on layer
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70 * @param map where change occurred
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71 * @param layer which will be deleted
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72 * @note right after this call, layer actually gets deleted!
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73 */
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74 virtual void onLayerDelete(Map* map, Layer* layer) = 0;
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75 };
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76
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77 /** A container of \c Layer(s).
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78 *
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79 * The actual data is contained in \c Layer objects
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80 * @see Layer
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81 */
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82 class Map : public ResourceClass {
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83 public:
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84
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85 /** Construct a map
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86 * To add map to model, one should call Model::addMap (otherwise
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87 * map is not registered with the engine properly)
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88 */
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89 Map(const std::string& identifier, TimeProvider* tp_master=NULL);
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90
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91 /** Destructor
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92 */
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93 ~Map();
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94
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95 /** Get the identifier for this map.
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96 */
340
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97 const std::string& getId() const { return m_id; }
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98
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99 /** Sets the identifier for this map.
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100 */
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101 void setId(const std::string& id) { m_id = id; }
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102
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103 /** Add a Layer to this Map. Map owns the returned pointer to the new Layer, so don't delete it!
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104 */
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105 Layer* createLayer(const std::string& identifier, CellGrid* grid);
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106
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107 /** Delete a layer from the map
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108 */
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109 void deleteLayer(Layer*);
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110
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111 /** Get the layers on this map.
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112 */
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113 const std::list<Layer*>& getLayers() const { return m_layers; }
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114
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115 /** Get the layer with the given id.
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116 */
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117 Layer* getLayer(const std::string& identifier);
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118
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119 /** Get the overall number of layers
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120 */
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121 size_t getNumLayers() const;
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122
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123 /** Delete all layers from the map
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124 */
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125 void deleteLayers();
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126
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127 /** Maps coordinate from one layer to another
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128 */
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129 void getMatchingCoordinates(const ModelCoordinate& coord_to_map, const Layer* from_layer,
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130 const Layer* to_layer, std::vector<ModelCoordinate>& matching_coords) const;
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131
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132 /** Called periodically to update events on map
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133 * @returns true, if map was changed
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134 */
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135 bool update();
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136
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137 /** Sets speed for the map. See Model::setTimeMultiplier.
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138 */
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139 void setTimeMultiplier(float multip) { m_timeprovider.setMultiplier(multip); }
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140
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141 /** Gets model speed. @see setTimeMultiplier.
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142 */
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143 float getTimeMultiplier() const { return m_timeprovider.getMultiplier(); }
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144
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145 /** Gets timeprovider used in the map
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146 */
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147 TimeProvider* getTimeProvider() { return &m_timeprovider; }
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148
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149 /** Adds new change listener
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150 * @param listener to add
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151 */
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152 void addChangeListener(MapChangeListener* listener);
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153
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154 /** Removes associated change listener
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155 * @param listener to remove
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156 */
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157 void removeChangeListener(MapChangeListener* listener);
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158
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159 /** Returns true, if map information was changed during previous update round
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160 */
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161 bool isChanged() { return !m_changedlayers.empty(); }
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162
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163 /** Returns layers that were changed during previous update round
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164 */
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165 std::vector<Layer*>& getChangedLayers() { return m_changedlayers; }
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166
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167 private:
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168 std::string m_id;
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169
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170 std::list<Layer*> m_layers;
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171 TimeProvider m_timeprovider;
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172
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173 Map(const Map& map);
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174 Map& operator=(const Map& map);
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175
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176 // listeners for map changes
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177 std::vector<MapChangeListener*> m_changelisteners;
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178
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179 // holds changed layers after each update
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180 std::vector<Layer*> m_changedlayers;
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181
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182 // true, if something was changed on map during previous update (layer change, creation, deletion)
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183 bool m_changed;
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184 };
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185
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186 } //FIFE
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187
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188 #endif
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189 /* vim: set noexpandtab: set shiftwidth=2: set tabstop=2: */