[1055] | 1 | #include "OgreFireRenderTechnique.h"
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| 2 | #include "OgreTechniqueGroup.h"
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| 3 | #include "OgreIlluminationManager.h"
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| 4 |
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| 5 | int FireRenderTarget::targetsize = 2;
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| 6 |
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| 7 | RenderTarget* colortexture;
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| 8 | RenderTarget* heattexture;
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| 9 |
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| 10 | FireRenderTarget::FireRenderTarget()
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| 11 | {
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| 12 | int width = OgreIlluminationManager::getSingleton().getMainViewport()->getActualWidth()
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| 13 | / targetsize;
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| 14 | int height = OgreIlluminationManager::getSingleton().getMainViewport()->getActualHeight()
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| 15 | / targetsize;
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| 16 |
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| 17 | renderTarget = Root::getSingleton().getRenderSystem()->
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| 18 | createMultiRenderTarget("ILLUM_FIRE_TEXTURE");
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| 19 | MultiRenderTarget* mrt = (MultiRenderTarget*) renderTarget;
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| 20 | {
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| 21 | TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual("ILLUM_FIRE_COLOR_TEXTURE",
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| 22 | "default",
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| 23 | TEX_TYPE_2D,
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| 24 | width,
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| 25 | height,
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| 26 | 0,
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| 27 | 0,
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| 28 | PF_FLOAT16_RGBA,
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| 29 | TU_RENDERTARGET);
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| 30 | Texture* texture = texPtr.getPointer();
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| 31 | //add viewport to rendertarget
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| 32 | HardwarePixelBuffer* hpb = (texture->getBuffer()).getPointer();
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| 33 | RenderTarget* rt = hpb->getRenderTarget();
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| 34 |
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| 35 | colortexture = rt;
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| 36 | RenderTexture* colorTex = (RenderTexture*) rt;
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| 37 | mrt->bindSurface(0, colorTex);
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| 38 | }
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| 39 |
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| 40 | {
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| 41 | TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual("ILLUM_FIRE_HEAT_TEXTURE",
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| 42 | "default",
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| 43 | TEX_TYPE_2D,
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| 44 | width,
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| 45 | height,
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| 46 | 0,
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| 47 | 0,
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| 48 | PF_FLOAT16_RGBA,
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| 49 | TU_RENDERTARGET);
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| 50 | Texture* texture = texPtr.getPointer();
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| 51 | //add viewport to rendertarget
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| 52 | HardwarePixelBuffer* hpb = (texture->getBuffer()).getPointer();
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| 53 | RenderTarget* rt = hpb->getRenderTarget();
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| 54 |
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| 55 | heattexture = rt;
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| 56 | RenderTexture* heatTex = (RenderTexture*) rt;
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| 57 | mrt->bindSurface(1, heatTex);
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| 58 |
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| 59 |
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| 60 | }
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| 61 | Viewport* v = mrt->addViewport(OgreIlluminationManager::getSingleton().getMainCamera());
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| 62 | v->setOverlaysEnabled(false);
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| 63 | mrt->setAutoUpdated(false);
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| 64 |
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| 65 | SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
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| 66 | sm->getRenderQueue()->clear();
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| 67 | sm->setFindVisibleObjects(false);
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| 68 | mrt->update();
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| 69 | sm->setFindVisibleObjects(true);
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| 70 | }
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| 71 |
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| 72 | OgreFireRenderTechnique::OgreFireRenderTechnique( unsigned char depthTexID,
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| 73 | Pass* pass,
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| 74 | OgreRenderable* parentRenderable,
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| 75 | OgreTechniqueGroup* parentTechniqueGroup)
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| 76 | :RenderTechnique( parentRenderable, parentTechniqueGroup),
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| 77 | OgreRenderTechnique(pass, parentRenderable, parentTechniqueGroup)
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| 78 | {
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| 79 | this->depthTexID = depthTexID;
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| 80 | OgreIlluminationManager::getSingleton().createGlobalRun(ILLUMRUN_SCENE_CAMERA_DEPTH);
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| 81 |
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| 82 |
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| 83 | OgreSceneCameraDepthRenderingRun* run = (OgreSceneCameraDepthRenderingRun*)
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| 84 | OgreIlluminationManager::getSingleton().getGlobalRun(ILLUMRUN_SCENE_CAMERA_DEPTH)->asOgreRenderingRun();
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| 85 |
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| 86 | pass->getTextureUnitState(depthTexID)->setTextureName(run->getDepthTextureName());
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| 87 |
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| 88 | if(OgreIlluminationManager::getSingleton().
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| 89 | getGlobalTarget(ILLUM_GLOBAL_TARGET_FIREPARTICLES) == 0)
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| 90 | {
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| 91 | FireRenderTarget* frt = new FireRenderTarget();
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| 92 | OgreIlluminationManager::getSingleton().
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| 93 | addGlobalTarget(ILLUM_GLOBAL_TARGET_FIREPARTICLES, frt);
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| 94 | }
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| 95 |
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| 96 | FireRenderTarget* frt = (FireRenderTarget*) OgreIlluminationManager::getSingleton().
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| 97 | getGlobalTarget(ILLUM_GLOBAL_TARGET_FIREPARTICLES);
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| 98 | frt->renderTarget->addListener(this);
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| 99 | OgreIlluminationManager::getSingleton().addUpdateListener(this);
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| 100 | Root::getSingleton().addFrameListener(this);
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| 101 | }
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| 102 |
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| 103 | void OgreFireRenderTechnique::preRenderTargetUpdate (const RenderTargetEvent &evt)
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| 104 | {
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| 105 | parentOgreRenderable->setVisible(lastVisibility);
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| 106 | }
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| 107 | void OgreFireRenderTechnique::postRenderTargetUpdate (const RenderTargetEvent &evt)
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| 108 | {
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| 109 | parentOgreRenderable->setVisible(false);
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| 110 | }
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| 111 |
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| 112 | bool OgreFireRenderTechnique::frameEnded (const FrameEvent &evt)
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| 113 | {
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| 114 | parentOgreRenderable->setVisible(lastVisibility);
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| 115 |
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| 116 | return true;
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| 117 | }
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| 118 | void OgreFireRenderTechnique::preAllUpdates()
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| 119 | {
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| 120 | lastVisibility = parentOgreRenderable->isVisible();
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| 121 | parentOgreRenderable->setVisible(false);
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| 122 | }
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| 123 |
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| 124 |
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| 125 | OgreFireRenderTechnique::~OgreFireRenderTechnique()
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| 126 | {
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| 127 |
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| 128 | }
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| 129 |
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| 130 | void OgreFireRenderTechnique::update(unsigned long frameNum)
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| 131 | {
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| 132 | OgreIlluminationManager::getSingleton().updateGlobalRun(ILLUMRUN_SCENE_CAMERA_DEPTH, frameNum);
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| 133 |
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| 134 | ///render the fire to a target
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| 135 | FireRenderTarget* frt = (FireRenderTarget*) OgreIlluminationManager::getSingleton().
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| 136 | getGlobalTarget(ILLUM_GLOBAL_TARGET_FIREPARTICLES);
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| 137 |
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| 138 | SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
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| 139 | RenderQueue* rq = sm->getRenderQueue();
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| 140 | rq->clear();
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| 141 | rq->addRenderable(parentOgreRenderable->getRenderable());
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| 142 | sm->setFindVisibleObjects(false);
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| 143 |
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| 144 | frt->renderTarget->update();
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| 145 |
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| 146 | sm->setFindVisibleObjects(true);
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| 147 |
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| 148 | //colortexture->writeContentsToFile("firecolor.tga");
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| 149 | //heattexture->writeContentsToFile("fireheat.tga");
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| 150 |
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| 151 | }
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| 152 |
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| 153 | namespace FireParsers
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| 154 | {
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| 155 | ///Technique parsers
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| 156 | void parseDepthTexID(String& params, RenderTechniqueFactory* factory)
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| 157 | {
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| 158 | OgreFireRenderTechniqueFactory* f = (OgreFireRenderTechniqueFactory*) factory;
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| 159 | f->depthTexID = StringConverter::parseUnsignedInt(params);
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| 160 | }
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| 161 | }
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| 162 |
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| 163 | OgreFireRenderTechniqueFactory::OgreFireRenderTechniqueFactory()
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| 164 | {
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| 165 | typeName = "Fire";
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| 166 |
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| 167 | using namespace FireParsers;
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| 168 |
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| 169 | //register parsers
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| 170 | this->attributeParsers.insert(AttribParserList::value_type("texture_unit_id", (ILLUM_ATTRIBUTE_PARSER) parseDepthTexID));
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| 171 | }
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| 172 |
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| 173 | OgreRenderTechnique* OgreFireRenderTechniqueFactory::createInstance(
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| 174 | IllumTechniqueParams* params,
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| 175 | Pass* pass,
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| 176 | OgreRenderable* parentRenderable,
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| 177 | OgreTechniqueGroup* parentTechniqueGroup)
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| 178 | {
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| 179 | //reset parameters
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| 180 | depthTexID = 1;
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| 181 |
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| 182 | parseParams(params);
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| 183 |
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| 184 | OgreFireRenderTechnique* result = new OgreFireRenderTechnique(
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| 185 | depthTexID,
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| 186 | pass,
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| 187 | parentRenderable,
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| 188 | parentTechniqueGroup);
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| 189 | return result;
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| 190 | }
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| 191 |
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| 192 |
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| 193 |
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