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annotate engine/core/model/structures/location.cpp @ 697:ecaa4d98f05f tip

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Abstracted the GUI code and refactored the GUIChan-specific code into its own module. * Most of the GUIChan code has been refactored into its own gui/guichan module. However, references to the GuiFont class still persist in the Engine and GuiManager code and these will need further refactoring. * GuiManager is now an abstract base class which specific implementations (e.g. GUIChan) should subclass. * The GUIChan GUI code is now a concrete implementation of GuiManager, most of which is in the new GuiChanGuiManager class. * The GUI code in the Console class has been refactored out of the Console and into the GUIChan module as its own GuiChanConsoleWidget class. The rest of the Console class related to executing commands was left largely unchanged. * Existing client code may need to downcast the GuiManager pointer received from FIFE::Engine::getGuiManager() to GuiChanGuiManager, since not all functionality is represented in the GuiManager abstract base class. Python client code can use the new GuiChanGuiManager.castTo static method for this purpose.
author M. George Hansen <technopolitica@gmail.com>
date Sat, 18 Jun 2011 00:28:40 -1000
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 * *
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. *
0
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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 // Standard C++ library includes
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23
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24 // 3rd party library includes
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25 #include <SDL.h>
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26
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27 // FIFE includes
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28 // These includes are split up in two parts, separated by one empty line
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29 // First block: files included from the FIFE root src directory
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30 // Second block: files included from the same folder
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31 #include "util/base/exception.h"
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32 #include "util/structures/purge.h"
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33 #include "model/metamodel/grids/cellgrid.h"
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34
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35 #include "layer.h"
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36 #include "instance.h"
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37
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38 namespace FIFE {
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39 static std::string INVALID_LAYER_SET = "Cannot set layer coordinates, given layer is not initialized properly";
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40 static std::string INVALID_LAYER_GET = "Cannot get layer coordinates, layer is not initialized properly";
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41
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42 Location::Location() {
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43 reset();
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44 }
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45
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46 Location::Location(const Location& loc) {
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47 reset();
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48 m_layer = loc.m_layer;
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49 m_exact_layer_coords = loc.m_exact_layer_coords;
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50 }
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51
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52 Location::Location(Layer* layer) {
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53 reset();
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54 m_layer = layer;
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55 }
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56
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57 Location::~Location() {
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58 reset();
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59 }
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60
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61 void Location::reset() {
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62 m_exact_layer_coords.x = 0;
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63 m_exact_layer_coords.y = 0;
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64 m_layer = NULL;
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65 }
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66
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67 Location& Location::operator=(const Location& rhs) {
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68 m_layer = rhs.m_layer;
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69 m_exact_layer_coords.x = rhs.m_exact_layer_coords.x;
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70 m_exact_layer_coords.y = rhs.m_exact_layer_coords.y;
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71 return *this;
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72 }
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73
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74 Map* Location::getMap() const {
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75 if (!m_layer) {
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76 return NULL;
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77 }
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78 return m_layer->getMap();
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79 }
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80
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81 void Location::setLayer(Layer* layer) {
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82 m_layer = layer;
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83 }
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84
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85 Layer* Location::getLayer() const {
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86 return m_layer;
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87 }
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88
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89 void Location::setExactLayerCoordinates(const ExactModelCoordinate& coordinates) {
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90 if (!isValid()) {
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91 throw NotSet(INVALID_LAYER_SET);
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92 }
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93 m_exact_layer_coords = coordinates;
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94 }
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95
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96 void Location::setLayerCoordinates(const ModelCoordinate& coordinates) {
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97 setExactLayerCoordinates(intPt2doublePt(coordinates));
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98 }
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99
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100 void Location::setMapCoordinates(const ExactModelCoordinate& coordinates) {
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101 if (!isValid()) {
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102 throw NotSet(INVALID_LAYER_SET);
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103 }
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104 m_exact_layer_coords = m_layer->getCellGrid()->toExactLayerCoordinates(coordinates);
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105 }
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106
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107 ExactModelCoordinate& Location::getExactLayerCoordinatesRef() {
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108 return m_exact_layer_coords;
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109 }
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110
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111 ExactModelCoordinate Location::getExactLayerCoordinates() const {
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112 return m_exact_layer_coords;
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113 }
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114
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115 ModelCoordinate Location::getLayerCoordinates() const {
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116 return getLayerCoordinates(m_layer);
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117 }
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118
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119 ExactModelCoordinate Location::getMapCoordinates() const {
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120 return m_layer->getCellGrid()->toMapCoordinates(m_exact_layer_coords);
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121 }
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122
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123 bool Location::isValid() const {
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124 return isValid(m_layer);
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125 }
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126
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127 bool Location::isValid(const Layer* layer) const {
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128 return (layer && layer->getCellGrid());
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129 }
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130
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131 ExactModelCoordinate Location::getExactLayerCoordinates(const Layer* layer) const {
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132 return m_exact_layer_coords;
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133 }
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134
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135 ModelCoordinate Location::getLayerCoordinates(const Layer* layer) const {
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136 if (!isValid(layer)) {
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137 throw NotSet(INVALID_LAYER_GET);
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138 }
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139 CellGrid* cg1 = m_layer->getCellGrid();
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140 CellGrid* cg2 = layer->getCellGrid();
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141 return cg2->toLayerCoordinates(cg1->toMapCoordinates(m_exact_layer_coords));
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142 }
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143
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144 double Location::getCellOffsetDistance() const {
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145 const ExactModelCoordinate& pt = m_exact_layer_coords;
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146 double dx = pt.x - static_cast<double>(static_cast<int>(pt.x));
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147 double dy = pt.y - static_cast<double>(static_cast<int>(pt.y));
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148 return sqrt(dx*dx + dy*dy);
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149 }
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150
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151 std::ostream& operator<<(std::ostream& os, const Location& l) {
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152 ExactModelCoordinate p = l.getExactLayerCoordinates();
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153 return os << "x=" << p.x << ", y=" << p.y;
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154 }
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155
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156 double Location::getMapDistanceTo(const Location& location) const{
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157 ExactModelCoordinate current = getMapCoordinates();
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158 ExactModelCoordinate target = location.getMapCoordinates();
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159
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160 double rx = current.x - target.x;
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161 double ry = current.y - target.y;
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162 double rz = current.z - target.z;
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163
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164 return sqrt(rx*rx + ry*ry + rz*rz);
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165 }
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166
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167 double Location::getLayerDistanceTo(const Location& location) const{
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168 ModelCoordinate current = getLayerCoordinates();
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169 ModelCoordinate target = location.getLayerCoordinates(m_layer);
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170
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171 double rx = current.x - target.x;
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172 double ry = current.y - target.y;
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173 double rz = current.z - target.z;
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174
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175 return sqrt(rx*rx + ry*ry + rz*rz);
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176 }
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177 }