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annotate engine/core/view/renderers/genericrenderer.cpp @ 105:2241b0d5379e

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use strings as grouping in generic renderer, easier for the clients...
author spq@33b003aa-7bff-0310-803a-e67f0ece8222
date Thu, 24 Jul 2008 13:20:39 +0000
parents 90005975cdbb
children 56ac89189bc4
rev   line source
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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 // Standard C++ library includes
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23
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24 // 3rd party library includes
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25
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26 // FIFE includes
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27 // These includes are split up in two parts, separated by one empty line
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28 // First block: files included from the FIFE root src directory
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29 // Second block: files included from the same folder
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30 #include "video/renderbackend.h"
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31 #include "video/imagepool.h"
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32 #include "video/animation.h"
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33 #include "video/animationpool.h"
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34 #include "video/fonts/abstractfont.h"
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35 #include "video/image.h"
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36 #include "util/math/fife_math.h"
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37 #include "util/log/logger.h"
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38 #include "model/metamodel/grids/cellgrid.h"
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39 #include "model/metamodel/timeprovider.h"
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40 #include "model/structures/instance.h"
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41 #include "model/structures/layer.h"
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42 #include "model/structures/location.h"
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43
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44 #include "view/camera.h"
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45 #include "genericrenderer.h"
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46
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47
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48 namespace FIFE {
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49 static Logger _log(LM_VIEWVIEW);
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50
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51 GenericRendererNode::GenericRendererNode(Instance* attached_instance, Location* relative_location, const Point &relative_point):
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52 m_instance(attached_instance),
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53 m_location(relative_location),
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54 m_point(relative_point) {
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55 }
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56 GenericRendererNode::GenericRendererNode(Instance* attached_instance, const Point &relative_point):
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57 m_instance(attached_instance),
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58 m_location(NULL),
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59 m_point(relative_point) {
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60 }
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61 GenericRendererNode::GenericRendererNode(Location* attached_location, const Point &relative_point):
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62 m_instance(NULL),
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63 m_location(attached_location),
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64 m_point(relative_point) {
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65 }
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66 GenericRendererNode::GenericRendererNode(const Point &attached_point):
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67 m_instance(NULL),
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68 m_location(NULL),
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69 m_point(attached_point) {
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70 }
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71 GenericRendererNode::~GenericRendererNode() {
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72 }
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73
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74 void GenericRendererNode::setAttached(Instance* attached_instance, Location* relative_location, const Point &relative_point) {
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75 m_instance = attached_instance;
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76 m_location = relative_location;
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77 m_point = relative_point;
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78 }
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79 void GenericRendererNode::setAttached(Instance* attached_instance, Location* relative_location) {
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80 m_instance = attached_instance;
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81 m_location = relative_location;
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82 }
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83 void GenericRendererNode::setAttached(Instance* attached_instance, const Point &relative_point) {
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84 m_instance = attached_instance;
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85 m_point = relative_point;
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86 }
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87 void GenericRendererNode::setAttached(Instance* attached_instance) {
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88 m_instance = attached_instance;
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89 }
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90 void GenericRendererNode::setAttached(Location* attached_location, const Point &relative_point) {
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91 m_instance = NULL;
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92 m_location = attached_location;
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93 m_point = relative_point;
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94 }
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95 void GenericRendererNode::setAttached(Location* attached_location) {
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96 m_instance = NULL;
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97 m_location = attached_location;
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98 }
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99 void GenericRendererNode::setAttached(const Point &attached_point) {
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100 m_instance = NULL;
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101 m_location = NULL;
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102 m_point = attached_point;
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103 }
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104
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105 void GenericRendererNode::setRelative(Location* relative_location) {
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106 if(m_instance == NULL) {
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107 throw NotSupported("No instance attached.");
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108 }
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109 m_location = relative_location;
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110 }
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111 void GenericRendererNode::setRelative(Location* relative_location, Point relative_point) {
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112 if(m_instance == NULL) {
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113 throw NotSupported("No instance attached.");
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114 }
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115 m_location = relative_location;
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116 m_point = relative_point;
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117 }
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118 void GenericRendererNode::setRelative(const Point &relative_point) {
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119 if(m_instance == NULL || m_location == NULL) {
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120 throw NotSupported("No instance or location attached.");
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121 }
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122 m_point = relative_point;
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123 }
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124
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125 Instance* GenericRendererNode::getAttachedInstance() {
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126 if(m_instance == NULL) {
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127 throw NotSupported("No instance attached.");
23
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128 }
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129 return m_instance;
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130 }
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131 Location* GenericRendererNode::getAttachedLocation() {
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132 if(m_instance != NULL || m_location == NULL) {
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133 throw NotSupported("No location attached.");
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134 }
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135 return m_location;
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136 }
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137 Point GenericRendererNode::getAttachedPoint() {
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138 if(m_instance != NULL || m_location != NULL) {
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139 throw NotSupported("No point attached.");
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140 }
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141 return m_point;
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142 }
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143
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144 Location* GenericRendererNode::getOffsetLocation() {
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145 if(m_instance == NULL || m_location == NULL) {
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146 throw NotSupported("No location as offset used.");
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147 }
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148 return m_location;
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149 }
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150 Point GenericRendererNode::getOffsetPoint() {
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151 if(m_instance == NULL && m_location == NULL) {
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152 throw NotSupported("No point as offset used.");
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153 }
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154 return m_point;
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155 }
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156
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157 Instance* GenericRendererNode::getInstance() {
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158 return m_instance;
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159 }
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160 Location* GenericRendererNode::getLocation() {
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161 return m_location;
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162 }
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163 Point GenericRendererNode::getPoint() {
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164 return m_point;
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165 }
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166
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167 Point GenericRendererNode::getCalculatedPoint(Camera* cam, Layer* layer, std::vector<Instance*>& instances) {
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168 ScreenPoint p;
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169 if(m_instance != NULL) {
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170 if(m_location != NULL) {
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171 p = cam->toScreenCoordinates(m_instance->getLocationRef().getMapCoordinates() + m_location->getMapCoordinates());
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172 }
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173 else {
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174 p = cam->toScreenCoordinates(m_instance->getLocation().getMapCoordinates());
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175 }
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176 }
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177 else if(m_location != NULL) {
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178 p = cam->toScreenCoordinates(m_location->getMapCoordinates());
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179 }
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180 else
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181 return m_point;
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182 return Point(m_point.x + p.x, m_point.y + p.y);
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183 }
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184
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185 GenericRendererLineInfo::GenericRendererLineInfo(GenericRendererNode n1, GenericRendererNode n2, uint8_t r, uint8_t g, uint8_t b):
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186 GenericRendererElementInfo(),
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187 m_edge1(n1),
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188 m_edge2(n2),
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189 m_red(r),
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190 m_green(g),
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191 m_blue(b) {
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192 }
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193 void GenericRendererLineInfo::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances, RenderBackend* renderbackend, ImagePool* imagepool, AnimationPool* animpool) {
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194 Point p1 = m_edge1.getCalculatedPoint(cam, layer, instances);
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195 Point p2 = m_edge2.getCalculatedPoint(cam, layer, instances);
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196 renderbackend->drawLine(p1, p2, m_red, m_green, m_blue);
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197 }
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198
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199 GenericRendererPointInfo::GenericRendererPointInfo(GenericRendererNode anchor, uint8_t r, uint8_t g, uint8_t b):
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200 GenericRendererElementInfo(),
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201 m_anchor(anchor),
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202 m_red(r),
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203 m_green(g),
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204 m_blue(b) {
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205 }
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206 void GenericRendererPointInfo::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances, RenderBackend* renderbackend, ImagePool* imagepool, AnimationPool* animpool) {
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207 Point p = m_anchor.getCalculatedPoint(cam, layer, instances);
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208 renderbackend->putPixel(p.x, p.y, m_red, m_green, m_blue);
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209 }
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210
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211 GenericRendererQuadInfo::GenericRendererQuadInfo(GenericRendererNode n1, GenericRendererNode n2, GenericRendererNode n3, GenericRendererNode n4, uint8_t r, uint8_t g, uint8_t b):
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212 GenericRendererElementInfo(),
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213 m_edge1(n1),
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214 m_edge2(n2),
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215 m_edge3(n3),
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216 m_edge4(n4),
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217 m_red(r),
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218 m_green(g),
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219 m_blue(b) {
23
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220 }
27
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221 void GenericRendererQuadInfo::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances, RenderBackend* renderbackend, ImagePool* imagepool, AnimationPool* animpool) {
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222 Point p1 = m_edge1.getCalculatedPoint(cam, layer, instances);
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223 Point p2 = m_edge2.getCalculatedPoint(cam, layer, instances);
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224 Point p3 = m_edge3.getCalculatedPoint(cam, layer, instances);
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225 Point p4 = m_edge4.getCalculatedPoint(cam, layer, instances);
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226 renderbackend->drawQuad(p1, p2, p3, p4, m_red, m_green, m_blue);
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227 }
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228
29
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229 GenericRendererImageInfo::GenericRendererImageInfo(GenericRendererNode anchor, int image):
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230 GenericRendererElementInfo(),
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231 m_anchor(anchor),
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232 m_image(image) {
23
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233 }
27
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234 void GenericRendererImageInfo::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances, RenderBackend* renderbackend, ImagePool* imagepool, AnimationPool* animpool) {
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235 Point p = m_anchor.getCalculatedPoint(cam, layer, instances);
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236 Image* img = &imagepool->getImage(m_image);
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237 Rect r;
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238 r.x = p.x-img->getWidth()/2;
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239 r.y = p.y-img->getHeight()/2;
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240 r.w = img->getWidth();
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241 r.h = img->getHeight();
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242 img->render(r);
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243 }
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244
29
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245 GenericRendererAnimationInfo::GenericRendererAnimationInfo(GenericRendererNode anchor, int animation):
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246 GenericRendererElementInfo(),
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247 m_anchor(anchor),
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248 m_animation(animation),
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249 m_start_time(SDL_GetTicks()),
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250 m_time_scale(1.0) {
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251 }
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252 void GenericRendererAnimationInfo::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances, RenderBackend* renderbackend, ImagePool* imagepool, AnimationPool* animpool) {
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253 Point p = m_anchor.getCalculatedPoint(cam, layer, instances);
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254 Animation& animation = animpool->getAnimation(m_animation);
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255 int animtime = scaleTime(m_time_scale, SDL_GetTicks() - m_start_time) % animation.getDuration();
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256 Image* img = animation.getFrameByTimestamp(animtime);
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257 Rect r;
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258 r.x = p.x-img->getWidth()/2;
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259 r.y = p.y-img->getHeight()/2;
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260 r.w = img->getWidth();
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261 r.h = img->getHeight();
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262 img->render(r);
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263 }
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264
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265 GenericRendererTextInfo::GenericRendererTextInfo(GenericRendererNode anchor, AbstractFont* font, std::string text):
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266 GenericRendererElementInfo(),
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267 m_anchor(anchor),
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268 m_font(font),
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269 m_text(text) {
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270 }
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271 void GenericRendererTextInfo::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances, RenderBackend* renderbackend, ImagePool* imagepool, AnimationPool* animpool) {
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272 Point p = m_anchor.getCalculatedPoint(cam, layer, instances);
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273 Image* img = m_font->getAsImageMultiline(m_text);
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274 Rect r;
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275 r.x = p.x-img->getWidth()/2;
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276 r.y = p.y-img->getHeight()/2;
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277 r.w = img->getWidth();
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278 r.h = img->getHeight();
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279 img->render(r);
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280 }
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281
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282 GenericRenderer* GenericRenderer::getInstance(IRendererContainer* cnt) {
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283 return dynamic_cast<GenericRenderer*>(cnt->getRenderer("GenericRenderer"));
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284 }
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285
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286 GenericRenderer::GenericRenderer(RenderBackend* renderbackend, int position, ImagePool* imagepool, AnimationPool* animpool):
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287 RendererBase(renderbackend, position),
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288 m_imagepool(imagepool),
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289 m_animationpool(animpool),
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290 m_groups() {
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291 setEnabled(false);
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292 }
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293
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294 GenericRenderer::GenericRenderer(const GenericRenderer& old):
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295 RendererBase(old),
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296 m_imagepool(old.m_imagepool),
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297 m_animationpool(old.m_animationpool),
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298 m_groups() {
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299 setEnabled(false);
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300 }
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301
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302 RendererBase* GenericRenderer::clone() {
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303 return new GenericRenderer(*this);
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304 }
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305
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306 GenericRenderer::~GenericRenderer() {
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307 }
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308 void GenericRenderer::addLine(const std::string &group, GenericRendererNode n1, GenericRendererNode n2, uint8_t r, uint8_t g, uint8_t b) {
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309 GenericRendererElementInfo* info = new GenericRendererLineInfo(n1, n2, r, g, b);
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310 m_groups[group].push_back(info);
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311 }
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312 void GenericRenderer::addPoint(const std::string &group, GenericRendererNode n, uint8_t r, uint8_t g, uint8_t b) {
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313 GenericRendererElementInfo* info = new GenericRendererPointInfo(n, r, g, b);
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314 m_groups[group].push_back(info);
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315 }
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316 void GenericRenderer::addQuad(const std::string &group, GenericRendererNode n1, GenericRendererNode n2, GenericRendererNode n3, GenericRendererNode n4, uint8_t r, uint8_t g, uint8_t b) {
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317 GenericRendererElementInfo* info = new GenericRendererQuadInfo(n1, n2, n3, n4, r, g, b);
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318 m_groups[group].push_back(info);
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319 }
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320 void GenericRenderer::addText(const std::string &group, GenericRendererNode n, AbstractFont* font, const std::string &text) {
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321 GenericRendererElementInfo* info = new GenericRendererTextInfo(n, font, text);
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322 m_groups[group].push_back(info);
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323 }
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324 void GenericRenderer::addImage(const std::string &group, GenericRendererNode n, int image) {
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325 GenericRendererElementInfo* info = new GenericRendererImageInfo(n, image);
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326 m_groups[group].push_back(info);
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327 }
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328 void GenericRenderer::addAnimation(const std::string &group, GenericRendererNode n, int animation) {
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329 GenericRendererElementInfo* info = new GenericRendererAnimationInfo(n, animation);
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330 m_groups[group].push_back(info);
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331 }
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332 void GenericRenderer::removeAll(const std::string &group) {
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333 std::vector<GenericRendererElementInfo*>::const_iterator info_it = m_groups[group].begin();
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334 for (;info_it != m_groups[group].end(); ++info_it) {
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335 delete *info_it;
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336 }
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337 m_groups[group].clear();
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338 m_groups.erase(group);
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339 }
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340
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341 void GenericRenderer::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances) {
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342 std::map<std::string, std::vector<GenericRendererElementInfo*> >::iterator group_it = m_groups.begin();
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343 for(; group_it != m_groups.end(); ++group_it) {
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344 std::vector<GenericRendererElementInfo*>::const_iterator info_it = group_it->second.begin();
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345 for (;info_it != group_it->second.end(); ++info_it) {
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346 (*info_it)->render(cam, layer, instances, m_renderbackend, m_imagepool, m_animationpool);
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347 }
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348 }
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349 }
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350 }