[1425] | 1 | #include "OgreTechniqueGroup.h"
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| 2 | #include "OgreIllumVolumeRenderTechnique.h"
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| 3 | #include "OgreChildPSystemRenderingRun.h"
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| 4 | #include "OgreLightVolumeRenderingRun.h"
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| 5 |
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| 6 | OgreIllumVolumeRenderTechnique::OgreIllumVolumeRenderTechnique(
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| 7 | unsigned long startFrame,
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| 8 | unsigned long illumVolumeUpdateInterval,
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| 9 | unsigned int illumTextureResolution,
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| 10 | unsigned int textureDepth,
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| 11 | unsigned char illumTexID,
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| 12 | bool useDistCalc,
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| 13 | String materialName,
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| 14 | String lightMatrixGPUParamName,
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| 15 | bool useHierarchicalImpostor,
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| 16 | unsigned char impostorTexID,
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| 17 | Pass* pass,
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| 18 | OgreRenderable* parentRenderable,
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| 19 | OgreTechniqueGroup* parentTechniqueGroup)
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| 20 | :OgreRenderTechnique( pass, parentRenderable, parentTechniqueGroup),
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| 21 | IllumVolumeRenderTechnique(startFrame, illumVolumeUpdateInterval, illumTextureResolution, textureDepth, useDistCalc, useHierarchicalImpostor, parentRenderable, parentTechniqueGroup),
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| 22 | RenderTechnique(parentRenderable, parentTechniqueGroup)
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| 23 | {
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| 24 | this->illumTexID = illumTexID;
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| 25 | this->materialName = materialName;
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| 26 | this->lightMatrixGPUParamName = lightMatrixGPUParamName;
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| 27 | this->impostorTexID = impostorTexID;
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| 28 | this->lightMatrixGPUParamName = lightMatrixGPUParamName;
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| 29 |
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| 30 | if(sharedRuns->getRun(ILLUMRUN_LIGHTVOLUME_MAP) == 0)
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| 31 | sharedRuns->addRun(ILLUMRUN_LIGHTVOLUME_MAP, createLightVolumeRenderingRun());
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| 32 |
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| 33 | lightVolumeChanged(sharedRuns->getRun(ILLUMRUN_LIGHTVOLUME_MAP));
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| 34 | }
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| 35 |
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| 36 |
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| 37 | OgreIllumVolumeRenderTechnique::~OgreIllumVolumeRenderTechnique()
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| 38 | {
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| 39 |
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| 40 | }
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| 41 |
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| 42 | void OgreIllumVolumeRenderTechnique::lightVolumeChanged(RenderingRun* run)
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| 43 | {
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| 44 | OgreLightVolumeRenderingRun* r = (OgreLightVolumeRenderingRun*) run->asOgreRenderingRun();
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| 45 | pass->getTextureUnitState(illumTexID)->setTextureName(r->getLightVolumeTextureName());
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| 46 | }
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| 47 |
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| 48 | void OgreIllumVolumeRenderTechnique::lightVolumeUpdated(RenderingRun* run)
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| 49 | {
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| 50 | OgreLightVolumeRenderingRun* r = (OgreLightVolumeRenderingRun*) run->asOgreRenderingRun();
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| 51 | pass->getVertexProgramParameters()->setNamedConstant(lightMatrixGPUParamName,
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| 52 | r->getLightViewProjectionMatrix());
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| 53 | }
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| 54 |
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| 55 | void OgreIllumVolumeRenderTechnique::hierarchicalImpostorUpdated(RenderingRun* run)
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| 56 | {
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| 57 | if(useHierarchicalImpostor)
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| 58 | {
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| 59 | OgreChildPSystemRenderingRun* r = (OgreChildPSystemRenderingRun*) run->asOgreRenderingRun();
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| 60 | Material* m = (Material*) MaterialManager::getSingleton().getByName(materialName).getPointer();
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| 61 | m->getTechnique(0)->getPass(0)->getTextureUnitState(impostorTexID)
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| 62 | ->setTextureName(r->getImpostorTextureName());
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| 63 | }
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| 64 | }
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| 65 |
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| 66 | RenderingRun* OgreIllumVolumeRenderTechnique::createLightVolumeRenderingRun()
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| 67 | {
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| 68 | return new OgreLightVolumeRenderingRun( (OgreSharedRuns*) parentTechniqueGroup->getSharedRuns(),
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| 69 | parentOgreRenderable->getName() + "_LIGHT_VOLUME",
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| 70 | startFrame,
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| 71 | illumVolumeUpdateInterval,
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| 72 | illumTextureResolution,
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| 73 | textureDepth,
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| 74 | materialName);
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| 75 | }
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| 76 |
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| 77 |
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| 78 | ///Technique Parsers
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| 79 | namespace IllumVolumeParsers
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| 80 | {
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| 81 | void parseStartFrame(String& params, RenderTechniqueFactory* factory)
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| 82 | {
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| 83 | OgreIllumVolumeRenderTechniqueFactory* f = (OgreIllumVolumeRenderTechniqueFactory*) factory;
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| 84 | f->startFrame = StringConverter::parseUnsignedLong(params);
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| 85 | }
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| 86 | void parseIllumVolumeUpdateInterval(String& params, RenderTechniqueFactory* factory)
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| 87 | {
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| 88 | OgreIllumVolumeRenderTechniqueFactory* f = (OgreIllumVolumeRenderTechniqueFactory*) factory;
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| 89 | f->illumVolumeUpdateInterval = StringConverter::parseUnsignedLong(params);
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| 90 | }
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| 91 |
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| 92 | void parseIllumTextureResolution(String& params, RenderTechniqueFactory* factory)
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| 93 | {
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| 94 | OgreIllumVolumeRenderTechniqueFactory* f = (OgreIllumVolumeRenderTechniqueFactory*) factory;
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| 95 | f->illumTextureResolution = StringConverter::parseUnsignedInt(params);
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| 96 | }
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| 97 |
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| 98 | void parseIllumTextureDepth(String& params, RenderTechniqueFactory* factory)
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| 99 | {
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| 100 | OgreIllumVolumeRenderTechniqueFactory* f = (OgreIllumVolumeRenderTechniqueFactory*) factory;
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| 101 | f->textureDepth = StringConverter::parseUnsignedInt(params);
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| 102 | }
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| 103 |
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| 104 | void parseIllumTexID(String& params, RenderTechniqueFactory* factory)
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| 105 | {
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| 106 | OgreIllumVolumeRenderTechniqueFactory* f = (OgreIllumVolumeRenderTechniqueFactory*) factory;
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| 107 | f->illumTexID = StringConverter::parseUnsignedInt(params);
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| 108 | }
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| 109 |
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| 110 | void parseUseDistCalc(String& params, RenderTechniqueFactory* factory)
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| 111 | {
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| 112 | /* OgreHierarchicalParticleSystemTechniqueFactory* f = (OgreHierarchicalParticleSystemTechniqueFactory*) factory;
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| 113 | // format: on/off tolerance(float)
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| 114 | StringVector vecparams = StringUtil::split(params, " \t");
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| 115 |
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| 116 | if(StringConverter::parseBool(vecparams[0]))//on
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| 117 | {
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| 118 | f->useDistCalc = true;
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| 119 |
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| 120 | if(vecparams.size()>1)
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| 121 | {
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| 122 | f->distTolerance = StringConverter::parseReal(vecparams[1]);
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| 123 | }
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| 124 | }
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| 125 | else
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| 126 | {
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| 127 | f->useDistCalc = false;
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| 128 | }*/
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| 129 | ///TODO
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| 130 | }
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| 131 |
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| 132 | void parseMaterialName(String& params, RenderTechniqueFactory* factory)
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| 133 | {
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| 134 | OgreIllumVolumeRenderTechniqueFactory* f = (OgreIllumVolumeRenderTechniqueFactory*) factory;
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| 135 | f->materialName = params;
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| 136 | }
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| 137 |
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| 138 | void parseLightMatrixGPUParamName(String& params, RenderTechniqueFactory* factory)
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| 139 | {
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| 140 | OgreIllumVolumeRenderTechniqueFactory* f = (OgreIllumVolumeRenderTechniqueFactory*) factory;
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| 141 | f->lightMatrixGPUParamName = params;
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| 142 | }
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| 143 |
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| 144 | void parseImpostorTexID(String& params, RenderTechniqueFactory* factory)
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| 145 | {
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| 146 | OgreIllumVolumeRenderTechniqueFactory* f = (OgreIllumVolumeRenderTechniqueFactory*) factory;
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| 147 | f->impostorTexID = StringConverter::parseUnsignedInt(params);
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| 148 | }
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| 149 |
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| 150 | void parseUseHierarchicalImpostor(String& params, RenderTechniqueFactory* factory)
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| 151 | {
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| 152 | OgreIllumVolumeRenderTechniqueFactory* f = (OgreIllumVolumeRenderTechniqueFactory*) factory;
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| 153 | f->useHierarchicalImpostor = StringConverter::parseBool(params);
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| 154 | }
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| 155 | }
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| 156 | ///Technique factory
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| 157 | OgreIllumVolumeRenderTechniqueFactory::OgreIllumVolumeRenderTechniqueFactory()
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| 158 | {
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| 159 | typeName = "IllumVolume";
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| 160 |
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| 161 | using namespace IllumVolumeParsers;
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| 162 |
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| 163 | //register parsers
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| 164 | this->attributeParsers.insert(AttribParserList::value_type("start_frame", (ILLUM_ATTRIBUTE_PARSER) parseStartFrame));
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| 165 | this->attributeParsers.insert(AttribParserList::value_type("update_interval", (ILLUM_ATTRIBUTE_PARSER) parseIllumVolumeUpdateInterval));
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| 166 | this->attributeParsers.insert(AttribParserList::value_type("resolution", (ILLUM_ATTRIBUTE_PARSER) parseIllumTextureResolution));
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| 167 | this->attributeParsers.insert(AttribParserList::value_type("depths", (ILLUM_ATTRIBUTE_PARSER) parseIllumTextureDepth));
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| 168 | this->attributeParsers.insert(AttribParserList::value_type("texture_unit_id", (ILLUM_ATTRIBUTE_PARSER) parseIllumTexID));
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| 169 | this->attributeParsers.insert(AttribParserList::value_type("impostor_texture_unit_id", (ILLUM_ATTRIBUTE_PARSER) parseImpostorTexID));
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| 170 | this->attributeParsers.insert(AttribParserList::value_type("distance_calc", (ILLUM_ATTRIBUTE_PARSER) parseUseDistCalc));
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| 171 | this->attributeParsers.insert(AttribParserList::value_type("material", (ILLUM_ATTRIBUTE_PARSER) parseMaterialName));
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| 172 | this->attributeParsers.insert(AttribParserList::value_type("use_hier_system", (ILLUM_ATTRIBUTE_PARSER) parseUseHierarchicalImpostor));
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| 173 | this->attributeParsers.insert(AttribParserList::value_type("lightmatrix_param_name", (ILLUM_ATTRIBUTE_PARSER) parseLightMatrixGPUParamName));
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| 174 |
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| 175 | }
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| 176 |
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| 177 | OgreRenderTechnique* OgreIllumVolumeRenderTechniqueFactory::createInstance(
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| 178 | IllumTechniqueParams* params,
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| 179 | Pass* pass,
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| 180 | OgreRenderable* parentRenderable,
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| 181 | OgreTechniqueGroup* parentTechniqueGroup)
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| 182 | {
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| 183 | materialName = "Smoke_IllumVolume";
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| 184 | illumTexID = 2;
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| 185 | startFrame = 0;
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| 186 | illumVolumeUpdateInterval = 1;
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| 187 | illumTextureResolution = 256;
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| 188 | textureDepth = 1;
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| 189 | useDistCalc = false;
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| 190 | lightMatrixGPUParamName = "lightViewProj";
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| 191 | impostorTexID = 0;
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| 192 | useHierarchicalImpostor = false;
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| 193 |
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| 194 | parseParams(params);
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| 195 |
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| 196 | OgreIllumVolumeRenderTechnique* result = new OgreIllumVolumeRenderTechnique(
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| 197 | startFrame,
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| 198 | illumVolumeUpdateInterval,
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| 199 | illumTextureResolution,
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| 200 | textureDepth,
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| 201 | illumTexID,
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| 202 | useDistCalc,
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| 203 | materialName,
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| 204 | lightMatrixGPUParamName,
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| 205 | useHierarchicalImpostor,
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| 206 | impostorTexID,
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| 207 | pass,
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| 208 | parentRenderable,
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| 209 | parentTechniqueGroup);
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| 210 |
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| 211 | return result;
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| 212 | }
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| 213 |
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| 214 |
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