Mercurial > fife-parpg

annotate engine/core/model/structures/map.h @ 181:56ac89189bc4

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fixed time handling in fife: - the time scaling method was unreliable when changing the time factors (jumping in the moment of the change) - replaced much calls to SDL_GetTicks with TimerManager::instance()->getTime() - some other time related cleanup
author spq@33b003aa-7bff-0310-803a-e67f0ece8222
date Sat, 31 Jan 2009 04:15:43 +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: */