1 | #include "OgreCubeMapRenderTechnique.h"
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2 | #include "OgreTechniqueGroup.h"
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3 | #include "OgreHierarchicalParticleSystemTechnique.h"
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4 | #include "OgreChildPSystemRenderingRun.h"
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5 |
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6 | OgreHierarchicalParticleSystemTechnique::OgreHierarchicalParticleSystemTechnique(
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7 | unsigned long startFrame,
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8 | unsigned long impostorUpdateInterval,
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9 | unsigned int impostorResolution,
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10 | unsigned char impostorTexID,
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11 | bool useDistCalc,
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12 | bool perspectiveRendering,
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13 | String childPSysScriptName,
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14 | bool useOwnMaterial,
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15 | String impostorMaterialName,
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16 | Pass* pass,
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17 | OgreRenderable* parentRenderable,
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18 | OgreTechniqueGroup* parentTechniqueGroup)
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19 | :OgreRenderTechnique( pass, parentRenderable, parentTechniqueGroup),
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20 | HierarchicalParticleSystemTechnique(startFrame, impostorUpdateInterval, impostorResolution, useDistCalc, perspectiveRendering, parentRenderable, parentTechniqueGroup),
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21 | RenderTechnique(parentRenderable, parentTechniqueGroup)
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22 | {
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23 | this->impostorTexID = impostorTexID;
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24 | this->childPSysScriptName = childPSysScriptName;
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25 | this->impostorMaterialName = impostorMaterialName;
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26 |
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27 |
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28 | if(sharedRuns->getRun(ILLUMRUN_HPP_IMPOSTOR) == 0)
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29 | sharedRuns->addRun(ILLUMRUN_HPP_IMPOSTOR, createChildPSysRenderingRun());
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30 |
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31 | //create the Particle system
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32 | String name = parentOgreRenderable->getName() + "_small_PSYS";
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33 | ParticleSystem* psys = Root::getSingleton()._getCurrentSceneManager()->createParticleSystem(name, childPSysScriptName);
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34 | SceneNode* node = Root::getSingleton()._getCurrentSceneManager()->getRootSceneNode()->createChildSceneNode();
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35 | node->attachObject(psys);
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36 | psys->setVisible(false);
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37 | }
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38 |
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39 |
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40 | OgreHierarchicalParticleSystemTechnique::~OgreHierarchicalParticleSystemTechnique()
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41 | {
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42 |
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43 | }
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44 |
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45 | RenderingRun* OgreHierarchicalParticleSystemTechnique::createChildPSysRenderingRun()
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46 | {
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47 | return new OgreChildPSystemRenderingRun( (OgreSharedRuns*) parentTechniqueGroup->getSharedRuns(),
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48 | parentOgreRenderable->getName() + "_HPP_IMPOSTOR",
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49 | startFrame,
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50 | impostorUpdateInterval,
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51 | impostorResolution,
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52 | perspectiveRendering,
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53 | childPSysName,
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54 | childPSysScriptName,
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55 | useOwnMaterial,
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56 | impostorMaterialName);
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57 | }
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58 |
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59 | ///Technique Parsers
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60 | namespace HPSParsers
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61 | {
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62 | void parseStartFrame(String& params, RenderTechniqueFactory* factory)
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63 | {
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64 | OgreHierarchicalParticleSystemTechniqueFactory* f = (OgreHierarchicalParticleSystemTechniqueFactory*) factory;
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65 | f->startFrame = StringConverter::parseUnsignedLong(params);
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66 | }
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67 | void parseImpostorUpdateInterval(String& params, RenderTechniqueFactory* factory)
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68 | {
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69 | OgreHierarchicalParticleSystemTechniqueFactory* f = (OgreHierarchicalParticleSystemTechniqueFactory*) factory;
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70 | f->impostorUpdateInterval = StringConverter::parseUnsignedLong(params);
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71 | }
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72 |
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73 | void parseImpostorResolution(String& params, RenderTechniqueFactory* factory)
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74 | {
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75 | OgreHierarchicalParticleSystemTechniqueFactory* f = (OgreHierarchicalParticleSystemTechniqueFactory*) factory;
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76 | f->impostorResolution = StringConverter::parseUnsignedInt(params);
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77 | }
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78 |
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79 | void parseImpostorTexID(String& params, RenderTechniqueFactory* factory)
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80 | {
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81 | OgreHierarchicalParticleSystemTechniqueFactory* f = (OgreHierarchicalParticleSystemTechniqueFactory*) factory;
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82 | f->impostorTexID = StringConverter::parseUnsignedInt(params);
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83 | }
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84 |
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85 | void parseUseDistCalc(String& params, RenderTechniqueFactory* factory)
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86 | {
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87 | /* OgreHierarchicalParticleSystemTechniqueFactory* f = (OgreHierarchicalParticleSystemTechniqueFactory*) factory;
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88 | // format: on/off tolerance(float)
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89 | StringVector vecparams = StringUtil::split(params, " \t");
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90 |
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91 | if(StringConverter::parseBool(vecparams[0]))//on
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92 | {
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93 | f->useDistCalc = true;
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94 |
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95 | if(vecparams.size()>1)
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96 | {
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97 | f->distTolerance = StringConverter::parseReal(vecparams[1]);
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98 | }
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99 | }
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100 | else
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101 | {
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102 | f->useDistCalc = false;
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103 | }*/
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104 | ///TODO
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105 | }
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106 |
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107 | void parsePerspectiveRendering(String& params, RenderTechniqueFactory* factory)
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108 | {
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109 | OgreHierarchicalParticleSystemTechniqueFactory* f = (OgreHierarchicalParticleSystemTechniqueFactory*) factory;
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110 | f->perspectiveRendering = StringConverter::parseBool(params);
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111 | }
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112 | void parseMaterialName(String& params, RenderTechniqueFactory* factory)
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113 | {
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114 | OgreHierarchicalParticleSystemTechniqueFactory* f = (OgreHierarchicalParticleSystemTechniqueFactory*) factory;
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115 | f->impostorMaterialName = params;
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116 | f->useOwnMaterial = false;
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117 | }
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118 | void parseScriptName(String& params, RenderTechniqueFactory* factory)
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119 | {
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120 | OgreHierarchicalParticleSystemTechniqueFactory* f = (OgreHierarchicalParticleSystemTechniqueFactory*) factory;
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121 | f->childPSysScriptName = params;
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122 | }
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123 |
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124 |
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125 | }
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126 | ///Technique factory
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127 | OgreHierarchicalParticleSystemTechniqueFactory::OgreHierarchicalParticleSystemTechniqueFactory()
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128 | {
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129 | typeName = "HPS";
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130 |
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131 | using namespace HPSParsers;
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132 |
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133 | //register parsers
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134 | this->attributeParsers.insert(AttribParserList::value_type("start_frame", (ILLUM_ATTRIBUTE_PARSER) parseStartFrame));
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135 | this->attributeParsers.insert(AttribParserList::value_type("update_interval", (ILLUM_ATTRIBUTE_PARSER) parseImpostorUpdateInterval));
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136 | this->attributeParsers.insert(AttribParserList::value_type("resolution", (ILLUM_ATTRIBUTE_PARSER) parseImpostorResolution));
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137 | this->attributeParsers.insert(AttribParserList::value_type("texture_unit_id", (ILLUM_ATTRIBUTE_PARSER) parseImpostorTexID));
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138 | this->attributeParsers.insert(AttribParserList::value_type("distance_calc", (ILLUM_ATTRIBUTE_PARSER) parseUseDistCalc));
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139 | this->attributeParsers.insert(AttribParserList::value_type("perspective", (ILLUM_ATTRIBUTE_PARSER) parsePerspectiveRendering));
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140 | this->attributeParsers.insert(AttribParserList::value_type("particle_script", (ILLUM_ATTRIBUTE_PARSER) parseScriptName));
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141 | this->attributeParsers.insert(AttribParserList::value_type("material", (ILLUM_ATTRIBUTE_PARSER) parseMaterialName));
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142 |
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143 | }
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144 |
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145 | OgreRenderTechnique* OgreHierarchicalParticleSystemTechniqueFactory::createInstance(
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146 | IllumTechniqueParams* params,
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147 | Pass* pass,
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148 | OgreRenderable* parentRenderable,
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149 | OgreTechniqueGroup* parentTechniqueGroup)
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150 | {
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151 | impostorUpdateInterval = 1;
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152 | impostorResolution = 256;
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153 | startFrame = 1;
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154 | useDistCalc = false;
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155 | impostorTexID = 0;
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156 | perspectiveRendering = true;
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157 | impostorMaterialName = "";
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158 | childPSysScriptName = "";
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159 | bool useOwnMaterial = true;
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160 |
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161 | parseParams(params);
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162 |
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163 | OgreHierarchicalParticleSystemTechnique* result = new OgreHierarchicalParticleSystemTechnique(
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164 | startFrame,
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165 | impostorUpdateInterval,
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166 | impostorResolution,
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167 | impostorTexID,
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168 | useDistCalc,
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169 | perspectiveRendering,
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170 | childPSysScriptName,
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171 | useOwnMaterial,
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172 | impostorMaterialName,
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173 | pass,
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174 | parentRenderable,
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175 | parentTechniqueGroup);
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176 |
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177 | return result;
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178 | }
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179 |
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