[2285] | 1 | #include "OgreDepthShadowReceiverRenderTechnique.h"
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| 2 | #include "OgreTechniqueGroup.h"
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| 3 | #include "OgreIlluminationManager.h"
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| 4 | #include "OgreDepthShadowMapRenderingRun.h"
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| 5 |
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| 6 | OgreDepthShadowReceiverRenderTechnique::OgreDepthShadowReceiverRenderTechnique(
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| 7 | int maxlights,
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| 8 | String shadowVertexProgram,
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| 9 | String shadowFragmentProgram,
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| 10 | String WorldViewProjParamName,
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| 11 | String WorldParamName,
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| 12 | bool setLightViewMatrix,
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| 13 | bool setLightViewProjMatrix,
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| 14 | bool setLightProjFarPlane,
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| 15 | String lightViewProjParamName,
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| 16 | String lightViewParamName,
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| 17 | String lightFarPlaneParamName,
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[2299] | 18 | SceneBlendFactor passBlendingSRC,
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| 19 | SceneBlendFactor passBlendingDEST,
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[2366] | 20 | bool createNewPasses,
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[2397] | 21 | int startTextureUnitID,
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| 22 | bool nearestLightsFromCamera,
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[2285] | 23 | Pass* pass,
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| 24 | OgreRenderable* parentRenderable,
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| 25 | OgreTechniqueGroup* parentTechniqueGroup)
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| 26 | :RenderTechnique( parentRenderable, parentTechniqueGroup),
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| 27 | OgreRenderTechnique(pass, parentRenderable, parentTechniqueGroup),
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| 28 | DepthShadowReceiverRenderTechnique(parentRenderable, parentTechniqueGroup)
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| 29 | {
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[2299] | 30 | this->passBlendingSRC = passBlendingSRC;
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| 31 | this->passBlendingDEST = passBlendingDEST;
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[2285] | 32 | this->maxlights = maxlights;
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| 33 | this->shadowVertexProgram = shadowVertexProgram ;
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| 34 | this->shadowFragmentProgram = shadowFragmentProgram;
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| 35 | this->setLightViewMatrix = setLightViewMatrix;
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| 36 | this->setLightViewProjMatrix = setLightViewProjMatrix;
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| 37 | this->setLightProjFarPlane = setLightProjFarPlane;
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| 38 | this->lightViewProjParamName = lightViewProjParamName;
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| 39 | this->lightViewParamName = lightViewParamName;
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| 40 | this->lightFarPlaneParamName = lightFarPlaneParamName;
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| 41 | this->WorldParamName = WorldParamName;
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| 42 | this->WorldViewProjParamName = WorldViewProjParamName;
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[2366] | 43 | this->createNewPasses = createNewPasses;
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| 44 | this->startTextureUnitID = startTextureUnitID;
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[2397] | 45 |
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| 46 | this->nearestLightsFromCamera = nearestLightsFromCamera;
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[2366] | 47 |
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| 48 | if(createNewPasses)
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| 49 | {
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| 50 | //insert new passes
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| 51 | Ogre::Technique* techn = pass->getParent();
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| 52 | Technique::PassIterator it = techn->getPassIterator();
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[2285] | 53 |
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[2366] | 54 | int index = 0;
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| 55 | while(it.hasMoreElements())
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| 56 | {
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| 57 | if( it.getNext() == pass)
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| 58 | break;
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| 59 | index++;
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| 60 | it.moveNext();
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| 61 | }
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| 62 |
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[2285] | 63 | index++;
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[2366] | 64 | for(int i = 0; i < maxlights; i++)
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| 65 | {
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| 66 | int lastpass = techn->getNumPasses();
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| 67 | Pass* newpass = techn->createPass();
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| 68 | passes.push_back(newpass);
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| 69 |
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| 70 | TextureUnitState* st = newpass->createTextureUnitState();
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| 71 | st->setTextureFiltering(TFO_NONE);
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| 72 | st->setTextureAddressingMode(TextureUnitState::TAM_BORDER);
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| 73 | st->setTextureBorderColour(ColourValue::White);
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[2285] | 74 |
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[2366] | 75 | newpass->setSceneBlending(passBlendingSRC, passBlendingDEST);
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| 76 |
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| 77 | newpass->setDepthBias(1);
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| 78 | techn->movePass(lastpass, index);
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| 79 | }
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| 80 | }
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[2285] | 81 | }
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| 82 |
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| 83 | OgreDepthShadowReceiverRenderTechnique::~OgreDepthShadowReceiverRenderTechnique()
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| 84 | {
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| 85 |
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| 86 | }
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| 87 |
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| 88 | void OgreDepthShadowReceiverRenderTechnique::update(unsigned long frameNum)
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| 89 | {
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| 90 | LightList lights;
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[2397] | 91 | Vector3 center = OgreIlluminationManager::getSingleton().getMainCamera()->getWorldPosition();
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| 92 | if(!nearestLightsFromCamera)
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| 93 | center = ((OgreSharedRuns*) sharedRuns)->getRootPosition();
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[2285] | 94 | Root::getSingleton()._getCurrentSceneManager()->_populateLightList(
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[2397] | 95 | center,
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[2285] | 96 | 100000.0,
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| 97 | lights);
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| 98 |
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| 99 | //fill passes
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| 100 | unsigned int l = 0;
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[2366] | 101 | for(unsigned int i = 0; i < maxlights; i++)
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[2285] | 102 | {
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| 103 | while(lights.size() != l && !lights.at(l)->getCastShadows())
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| 104 | l++;
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| 105 |
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| 106 | if(lights.size() > l)
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| 107 | {
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| 108 |
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| 109 | //create run if not exists
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| 110 | OgreIlluminationManager::getSingleton().createPerLightRun(lights.at(l)->getName(),
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| 111 | ILLUMRUN_DEPTH_SHADOWMAP);
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| 112 | //update light depth map
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| 113 | OgreIlluminationManager::getSingleton().updatePerLightRun(lights.at(l)->getName(),
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| 114 | ILLUMRUN_DEPTH_SHADOWMAP,
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| 115 | frameNum);
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| 116 |
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| 117 | //set texture to pass
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| 118 | OgreDepthShadowMapRenderingRun* depthRun =
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| 119 | (OgreDepthShadowMapRenderingRun*) OgreIlluminationManager::getSingleton()
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| 120 | .getPerLightRun(lights.at(l)->getName(),
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| 121 | ILLUMRUN_DEPTH_SHADOWMAP)->asOgreRenderingRun();
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[2366] | 122 |
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| 123 | Pass* passToSet = this->pass;
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| 124 | int textureUnit = startTextureUnitID + i;
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| 125 | if(createNewPasses)
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| 126 | {
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| 127 | passToSet = passes.at(i);
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| 128 | passToSet->setActive(true);
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| 129 | textureUnit = 0;
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| 130 | passes.at(i)->setActive(true);
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| 131 | }
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| 132 | passToSet->getTextureUnitState(textureUnit)->setTextureName(
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[2285] | 133 | depthRun->getDepthMapTextureName());
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| 134 |
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[2366] | 135 | if(createNewPasses)
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| 136 | {
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| 137 | //TODO: ask programs from illummanager
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| 138 | passes.at(i)->setVertexProgram(shadowVertexProgram);
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| 139 | passes.at(i)->setFragmentProgram(shadowFragmentProgram);
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| 140 | }
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[2355] | 141 |
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[2366] | 142 | GpuProgramParametersSharedPtr fpParams = passToSet->getFragmentProgramParameters();
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| 143 | GpuProgramParametersSharedPtr vpParams = passToSet->getVertexProgramParameters();
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[2333] | 144 |
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[2366] | 145 | String LightViewProjParamName = lightViewProjParamName;
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| 146 | String LightViewParamName = lightViewParamName;
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| 147 | String LightFarPlaneParamName = lightFarPlaneParamName;
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| 148 | if(!createNewPasses)
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| 149 | {
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[2372] | 150 | LightViewProjParamName += StringConverter::toString(i+1);
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| 151 | LightViewParamName += StringConverter::toString(i+1);
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| 152 | LightFarPlaneParamName += StringConverter::toString(i+1);
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[2366] | 153 | }
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| 154 | else
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| 155 | {
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| 156 | vpParams->setNamedAutoConstant(WorldViewProjParamName,
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| 157 | GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
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| 158 | vpParams->setNamedAutoConstant(WorldParamName,
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| 159 | GpuProgramParameters::ACT_WORLD_MATRIX);
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| 160 | }
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[2355] | 161 |
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[2285] | 162 | if(setLightViewProjMatrix)
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[2366] | 163 | {
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| 164 | if(createNewPasses)
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| 165 | vpParams->setNamedConstant(LightViewProjParamName, depthRun->getLightViewProjMatrix());
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| 166 | else
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| 167 | fpParams->setNamedConstant(LightViewProjParamName, depthRun->getLightViewProjMatrix());
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| 168 | }
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[2285] | 169 | if(setLightViewMatrix)
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[2366] | 170 | {
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| 171 | if(createNewPasses)
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| 172 | vpParams->setNamedConstant(LightViewParamName, depthRun->getLightViewMatrix());
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| 173 | else
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| 174 | fpParams->setNamedConstant(LightViewParamName, depthRun->getLightViewMatrix());
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| 175 | }
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[2285] | 176 | if(setLightProjFarPlane)
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[2366] | 177 | {
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| 178 | if(createNewPasses)
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| 179 | fpParams->setNamedConstant(LightFarPlaneParamName, depthRun->getLightFarPlane());
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| 180 | else
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| 181 | fpParams->setNamedConstant(LightFarPlaneParamName, depthRun->getLightFarPlane());
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| 182 | }
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[2285] | 183 | }
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[2366] | 184 | else if(createNewPasses)
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[2285] | 185 | passes.at(i)->setActive(false);
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| 186 |
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[2372] | 187 | l++;
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[2285] | 188 | }
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| 189 | }
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| 190 |
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| 191 |
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| 192 | ///Technique parsers
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| 193 | namespace DepthShadowReceiverParsers
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| 194 | {
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| 195 | void parseMaxLights(String& params, RenderTechniqueFactory* factory)
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| 196 | {
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| 197 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 198 | f->maxlights = StringConverter::parseInt(params);
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| 199 | }
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| 200 |
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| 201 | void parseVertexProgram(String& params, RenderTechniqueFactory* factory)
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| 202 | {
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| 203 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 204 | f->shadowVertexProgram = params;
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| 205 | }
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| 206 |
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| 207 | void parseFragmentProgram(String& params, RenderTechniqueFactory* factory)
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| 208 | {
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| 209 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 210 | f->shadowFragmentProgram = params;
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| 211 | }
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| 212 |
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| 213 | void parseSetLightViewProj(String& params, RenderTechniqueFactory* factory)
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| 214 | {
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| 215 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 216 | StringVector vecparams = StringUtil::split(params, " \t");
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| 217 | f->setLightViewProjMatrix = StringConverter::parseBool(vecparams[0]);
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| 218 | if(f->setLightViewProjMatrix && vecparams.size() > 1)
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| 219 | f->lightViewProjParamName = vecparams[1];
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| 220 | }
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| 221 |
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| 222 | void parseSetLightView(String& params, RenderTechniqueFactory* factory)
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| 223 | {
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| 224 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 225 | StringVector vecparams = StringUtil::split(params, " \t");
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| 226 | f->setLightViewMatrix = StringConverter::parseBool(vecparams[0]);
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| 227 | if(f->setLightViewMatrix && vecparams.size() > 1)
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| 228 | f->lightViewParamName = vecparams[1];
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| 229 | }
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| 230 |
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| 231 | void parseSetLightFarPlane(String& params, RenderTechniqueFactory* factory)
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| 232 | {
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| 233 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 234 | StringVector vecparams = StringUtil::split(params, " \t");
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| 235 | f->setLightProjFarPlane = StringConverter::parseBool(vecparams[0]);
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| 236 | if(f->setLightProjFarPlane && vecparams.size() > 1)
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| 237 | f->lightFarPlaneParamName = vecparams[1];
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| 238 | }
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| 239 |
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| 240 | void parseLightProjParamName(String& params, RenderTechniqueFactory* factory)
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| 241 | {
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| 242 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 243 | f->lightViewProjParamName = params;
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| 244 | }
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| 245 |
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| 246 | void parseLightViewParamName(String& params, RenderTechniqueFactory* factory)
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| 247 | {
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| 248 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 249 | f->lightViewParamName = params;
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| 250 | }
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| 251 |
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| 252 | void parseWorldViewProjParamName(String& params, RenderTechniqueFactory* factory)
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| 253 | {
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| 254 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 255 | f->WorldViewProjParamName = params;
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| 256 | }
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| 257 |
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| 258 | void parseWorldParamName(String& params, RenderTechniqueFactory* factory)
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| 259 | {
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| 260 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 261 | f->WorldParamName = params;
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| 262 | }
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| 263 |
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| 264 | void parseLightFarPlaneParamName(String& params, RenderTechniqueFactory* factory)
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| 265 | {
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| 266 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 267 | f->lightFarPlaneParamName = params;
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| 268 | }
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[2299] | 269 |
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| 270 | SceneBlendFactor convertBlendFactor(const String& param)
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| 271 | {
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| 272 | if (param == "one")
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| 273 | return SBF_ONE;
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| 274 | else if (param == "zero")
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| 275 | return SBF_ZERO;
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| 276 | else if (param == "dest_colour")
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| 277 | return SBF_DEST_COLOUR;
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| 278 | else if (param == "src_colour")
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| 279 | return SBF_SOURCE_COLOUR;
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| 280 | else if (param == "one_minus_dest_colour")
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| 281 | return SBF_ONE_MINUS_DEST_COLOUR;
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| 282 | else if (param == "one_minus_src_colour")
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| 283 | return SBF_ONE_MINUS_SOURCE_COLOUR;
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| 284 | else if (param == "dest_alpha")
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| 285 | return SBF_DEST_ALPHA;
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| 286 | else if (param == "src_alpha")
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| 287 | return SBF_SOURCE_ALPHA;
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| 288 | else if (param == "one_minus_dest_alpha")
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| 289 | return SBF_ONE_MINUS_DEST_ALPHA;
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| 290 | else if (param == "one_minus_src_alpha")
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| 291 | return SBF_ONE_MINUS_SOURCE_ALPHA;
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| 292 | }
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| 293 |
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| 294 | void parsePassBlending(String& params, RenderTechniqueFactory* factory)
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| 295 | {
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| 296 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 297 | StringVector vecparams = StringUtil::split(params, " \t");
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| 298 | if(vecparams.size() == 1)
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| 299 | {
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| 300 | if (vecparams[0] == "none")
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| 301 | {
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| 302 | f->passBlendingSRC = SBF_ONE;
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| 303 | f->passBlendingDEST = SBF_ZERO;
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| 304 | }
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| 305 | if (vecparams[0] == "add")
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| 306 | {
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| 307 | f->passBlendingSRC = SBF_ONE;
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| 308 | f->passBlendingDEST = SBF_ONE;
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| 309 | }
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| 310 | else if (vecparams[0] == "modulate")
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| 311 | {
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| 312 | f->passBlendingSRC = SBF_DEST_COLOUR;
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| 313 | f->passBlendingDEST = SBF_ZERO;
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| 314 | }
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| 315 | else if (vecparams[0] == "colour_blend")
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| 316 | {
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| 317 | f->passBlendingSRC = SBF_SOURCE_COLOUR;
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| 318 | f->passBlendingDEST = SBF_ONE_MINUS_SOURCE_COLOUR;
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| 319 | }
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| 320 | else if (vecparams[0] == "alpha_blend")
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| 321 | {
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| 322 | f->passBlendingSRC = SBF_SOURCE_ALPHA;
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| 323 | f->passBlendingDEST = SBF_ONE_MINUS_SOURCE_ALPHA;
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| 324 | }
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| 325 | }
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| 326 | else if (vecparams.size() == 2)
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| 327 | {
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| 328 | f->passBlendingSRC = convertBlendFactor(vecparams[0]);
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| 329 | f->passBlendingDEST = convertBlendFactor(vecparams[1]) ;
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| 330 | }
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[2366] | 331 | }
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| 332 |
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| 333 | void parseCreateNewPasses(String& params, RenderTechniqueFactory* factory)
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| 334 | {
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| 335 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 336 | f->createNewPasses = StringConverter::parseBool(params);
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| 337 | }
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| 338 |
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| 339 | void parseStartTexID(String& params, RenderTechniqueFactory* factory)
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| 340 | {
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| 341 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 342 | f->startTextureUnitID = StringConverter::parseInt(params);
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| 343 | }
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[2397] | 344 | void parseNearestFromCamera(String& params, RenderTechniqueFactory* factory)
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| 345 | {
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| 346 | OgreDepthShadowReceiverRenderTechniqueFactory* f = (OgreDepthShadowReceiverRenderTechniqueFactory*) factory;
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| 347 | f->nearestLightsFromCamera = StringConverter::parseBool(params);
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| 348 | }
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[2285] | 349 | }
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| 350 |
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| 351 | OgreDepthShadowReceiverRenderTechniqueFactory::OgreDepthShadowReceiverRenderTechniqueFactory()
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| 352 | {
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| 353 | typeName = "DepthShadowReceiver";
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| 354 |
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| 355 | using namespace DepthShadowReceiverParsers;
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| 356 | //register parsers
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| 357 | this->attributeParsers.insert(AttribParserList::value_type("max_light_count", (ILLUM_ATTRIBUTE_PARSER) parseMaxLights));
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| 358 | this->attributeParsers.insert(AttribParserList::value_type("vertex_program_name", (ILLUM_ATTRIBUTE_PARSER) parseVertexProgram));
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| 359 | this->attributeParsers.insert(AttribParserList::value_type("fragment_program_name", (ILLUM_ATTRIBUTE_PARSER) parseFragmentProgram));
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| 360 | this->attributeParsers.insert(AttribParserList::value_type("set_light_viewproj", (ILLUM_ATTRIBUTE_PARSER) parseSetLightViewProj));
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| 361 | this->attributeParsers.insert(AttribParserList::value_type("set_light_view", (ILLUM_ATTRIBUTE_PARSER) parseSetLightView));
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| 362 | this->attributeParsers.insert(AttribParserList::value_type("set_light_farplane", (ILLUM_ATTRIBUTE_PARSER) parseSetLightFarPlane));
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| 363 | this->attributeParsers.insert(AttribParserList::value_type("light_viewproj_param_name", (ILLUM_ATTRIBUTE_PARSER) parseLightProjParamName));
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| 364 | this->attributeParsers.insert(AttribParserList::value_type("light_view_param_name", (ILLUM_ATTRIBUTE_PARSER) parseLightViewParamName));
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| 365 | this->attributeParsers.insert(AttribParserList::value_type("world_view_proj_param_name", (ILLUM_ATTRIBUTE_PARSER) parseWorldViewProjParamName));
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| 366 | this->attributeParsers.insert(AttribParserList::value_type("world_param_name", (ILLUM_ATTRIBUTE_PARSER) parseWorldParamName));
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| 367 | this->attributeParsers.insert(AttribParserList::value_type("light_farplane_param_name", (ILLUM_ATTRIBUTE_PARSER) parseLightFarPlaneParamName));
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[2299] | 368 | this->attributeParsers.insert(AttribParserList::value_type("pass_blending", (ILLUM_ATTRIBUTE_PARSER) parsePassBlending));
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[2366] | 369 | this->attributeParsers.insert(AttribParserList::value_type("new_passes", (ILLUM_ATTRIBUTE_PARSER) parseCreateNewPasses));
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| 370 | this->attributeParsers.insert(AttribParserList::value_type("start_tex_id", (ILLUM_ATTRIBUTE_PARSER) parseStartTexID));
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[2397] | 371 | this->attributeParsers.insert(AttribParserList::value_type("nearest_from_camera", (ILLUM_ATTRIBUTE_PARSER) parseNearestFromCamera));
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[2285] | 372 | }
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| 373 |
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| 374 | OgreRenderTechnique* OgreDepthShadowReceiverRenderTechniqueFactory::createInstance(
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| 375 | IllumTechniqueParams* params,
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| 376 | Pass* pass,
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| 377 | OgreRenderable* parentRenderable,
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| 378 | OgreTechniqueGroup* parentTechniqueGroup)
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| 379 | {
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| 380 | //reset parameters
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| 381 | maxlights = 1;
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| 382 | shadowVertexProgram = "GTP/Basic/LightCPos_VS";
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| 383 | shadowFragmentProgram = "GTP/Basic/SM/Dist_PS";
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[2297] | 384 | setLightViewMatrix = true;
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[2285] | 385 | setLightViewProjMatrix = true;
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| 386 | setLightProjFarPlane = false;
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| 387 | lightViewProjParamName = "LightViewProj";
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| 388 | lightViewParamName = "LightView";
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| 389 | lightFarPlaneParamName = "lightFarPlane";
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| 390 | WorldViewProjParamName = "WorldViewProj";
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| 391 | WorldParamName = "World";
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[2299] | 392 | passBlendingSRC = SBF_DEST_COLOUR;
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| 393 | passBlendingDEST = SBF_ZERO;
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[2366] | 394 | createNewPasses = true;
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| 395 | startTextureUnitID = 0;
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[2397] | 396 | nearestLightsFromCamera = true;
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[2366] | 397 |
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[2285] | 398 | parseParams(params);
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| 399 |
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| 400 | OgreDepthShadowReceiverRenderTechnique* result = new OgreDepthShadowReceiverRenderTechnique(
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| 401 | maxlights,
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| 402 | shadowVertexProgram,
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| 403 | shadowFragmentProgram,
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| 404 | WorldViewProjParamName,
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| 405 | WorldParamName,
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| 406 | setLightViewMatrix ,
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| 407 | setLightViewProjMatrix,
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| 408 | setLightProjFarPlane,
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| 409 | lightViewProjParamName,
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| 410 | lightViewParamName,
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| 411 | lightFarPlaneParamName,
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[2299] | 412 | passBlendingSRC,
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| 413 | passBlendingDEST,
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[2366] | 414 | createNewPasses,
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| 415 | startTextureUnitID,
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[2397] | 416 | nearestLightsFromCamera,
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[2285] | 417 | pass,
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| 418 | parentRenderable,
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| 419 | parentTechniqueGroup);
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| 420 |
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| 421 | return result;
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| 422 | }
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| 423 |
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[2397] | 424 | bool OgreDepthShadowReceiverRenderTechniqueFactory::needMaterialCopy(IllumTechniqueParams* params)
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| 425 | {
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| 426 | nearestLightsFromCamera = true;
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| 427 | parseParams(params);
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| 428 | if(nearestLightsFromCamera)
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| 429 | return false;
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| 430 | else
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| 431 | return true;
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| 432 | }
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| 433 |
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