Mercurial > fife-parpg

annotate engine/core/model/structures/map.h @ 164:5b04a7d3ded6

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typo fix some missing event (de)registrations ability to capture one event multiple times (instead of only having one slot, we have groups and each group has an own slot, the default group is "default" so we are backward compatible
author spq@33b003aa-7bff-0310-803a-e67f0ece8222
date Wed, 15 Oct 2008 14:57:04 +0000
parents 90005975cdbb
children 7e5717105212
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. *
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_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 */
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97 const std::string& getId() { return m_id; }
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98
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99 /** Add a Layer to this Map. Map owns the returned pointer to the new Layer, so don't delete it!
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100 */
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101 Layer* createLayer(const std::string& identifier, CellGrid* grid);
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102
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103 /** Delete a layer from the map
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104 */
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105 void deleteLayer(Layer*);
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106
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107 /** Get the layers on this map.
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108 */
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109 const std::list<Layer*>& getLayers() const { return m_layers; }
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110
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111 /** Get the layer with the given id.
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112 */
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113 Layer* getLayer(const std::string& identifier);
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114
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115 /** Get the overall number of layers
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116 */
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117 size_t getNumLayers() const;
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118
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119 /** Delete all layers from the map
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120 */
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121 void deleteLayers();
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122
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123 /** Maps coordinate from one layer to another
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124 */
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125 void getMatchingCoordinates(const ModelCoordinate& coord_to_map, const Layer* from_layer,
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126 const Layer* to_layer, std::vector<ModelCoordinate>& matching_coords) const;
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127
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128 /** Called periodically to update events on map
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129 * @returns true, if map was changed
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130 */
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131 bool update();
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132
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133 /** Sets speed for the map. See Model::setTimeMultiplier.
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134 */
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135 void setTimeMultiplier(float multip) { m_timeprovider.setMultiplier(multip); }
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136
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137 /** Gets model speed. @see setTimeMultiplier.
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138 */
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139 float getTimeMultiplier() const { return m_timeprovider.getMultiplier(); }
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140
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141 /** Gets timeprovider used in the map
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142 */
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143 TimeProvider* getTimeProvider() { return &m_timeprovider; }
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144
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145 /** Adds new change listener
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146 * @param listener to add
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147 */
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148 void addChangeListener(MapChangeListener* listener);
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149
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150 /** Removes associated change listener
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151 * @param listener to remove
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152 */
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153 void removeChangeListener(MapChangeListener* listener);
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154
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155 /** Returns true, if map information was changed during previous update round
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156 */
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157 bool isChanged() { return !m_changedlayers.empty(); }
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158
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159 /** Returns layers that were changed during previous update round
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160 */
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161 std::vector<Layer*>& getChangedLayers() { return m_changedlayers; }
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162
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163 private:
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164 std::string m_id;
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165
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166 std::list<Layer*> m_layers;
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167 TimeProvider m_timeprovider;
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168
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169 Map(const Map& map);
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170 Map& operator=(const Map& map);
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171
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172 // listeners for map changes
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173 std::vector<MapChangeListener*> m_changelisteners;
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174
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175 // holds changed layers after each update
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176 std::vector<Layer*> m_changedlayers;
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177
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178 // true, if something was changed on map during previous update (layer change, creation, deletion)
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179 bool m_changed;
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180 };
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181
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182 } //FIFE
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183
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184 #endif
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185 /* vim: set noexpandtab: set shiftwidth=2: set tabstop=2: */