[3255] | 1 | #include "OgrePhotonMapRenderingRun.h"
|
---|
| 2 | //#include "OgreIlluminationManager.h"
|
---|
| 3 | #include "OgreCubeMapRenderingRun.h"
|
---|
| 4 |
|
---|
| 5 |
|
---|
| 6 | OgrePhotonMapRenderingRun::OgrePhotonMapRenderingRun(OgreSharedRuns* sharedRuns,
|
---|
| 7 | String name,
|
---|
| 8 | unsigned long startFrame,
|
---|
| 9 | unsigned long updateInterval,
|
---|
| 10 | unsigned int resolution,
|
---|
| 11 | String materialName,
|
---|
| 12 | bool useDistance
|
---|
| 13 | )
|
---|
| 14 | :PhotonMapRenderingRun( startFrame, updateInterval)
|
---|
| 15 | , OgreRenderingRun(startFrame, updateInterval)
|
---|
| 16 | , RenderingRun(startFrame, updateInterval)
|
---|
| 17 | {
|
---|
| 18 | this->useDistance = useDistance;
|
---|
| 19 | this->sharedRuns = sharedRuns;
|
---|
| 20 | this->name = name;
|
---|
| 21 | this->resolution = resolution;
|
---|
| 22 | this->light = 0;
|
---|
| 23 | this->materialName = materialName;
|
---|
| 24 |
|
---|
| 25 | createPhotonMap();
|
---|
| 26 | }
|
---|
| 27 |
|
---|
| 28 | void OgrePhotonMapRenderingRun::createPhotonMap()
|
---|
| 29 | {
|
---|
| 30 | TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual(name,
|
---|
| 31 | "default",
|
---|
| 32 | TEX_TYPE_2D,
|
---|
| 33 | resolution,
|
---|
| 34 | resolution,
|
---|
| 35 | 0,
|
---|
| 36 | 0,
|
---|
| 37 | PF_FLOAT32_RGBA,
|
---|
| 38 | TU_RENDERTARGET);
|
---|
| 39 | photonMapTexture = texPtr.getPointer();
|
---|
| 40 | photonMapCamera = Root::getSingleton()._getCurrentSceneManager()->createCamera(name + "_CAMERA");
|
---|
| 41 | //add viewport to rendertarget
|
---|
| 42 | HardwarePixelBuffer* hpb = (photonMapTexture->getBuffer()).getPointer();
|
---|
| 43 | RenderTarget* rt = hpb->getRenderTarget();
|
---|
| 44 | Viewport* v = rt->addViewport(photonMapCamera);
|
---|
| 45 | v->setOverlaysEnabled(false);
|
---|
| 46 | rt->setAutoUpdated(false);
|
---|
| 47 |
|
---|
| 48 | photonMapCamera->setLodBias(0.0001);
|
---|
| 49 | }
|
---|
| 50 |
|
---|
| 51 | void OgrePhotonMapRenderingRun::updateFrame(unsigned long frameNum)
|
---|
| 52 | {
|
---|
| 53 | refreshLight();
|
---|
| 54 |
|
---|
| 55 | if(useDistance)
|
---|
| 56 | {
|
---|
| 57 | sharedRuns->updateRun(ILLUMRUN_DISTANCE_CUBEMAP, frameNum);
|
---|
| 58 | }
|
---|
| 59 |
|
---|
| 60 | Material* mat = (Material*) MaterialManager::getSingleton().getByName(materialName).getPointer();
|
---|
| 61 | GpuProgramParameters* Fparams = mat->getTechnique(0)->getPass(0)->getFragmentProgramParameters().getPointer();
|
---|
| 62 | Fparams->setNamedConstant("lastCenter", sharedRuns->getRootPosition(ILLUMRUN_PHOTONMAP));
|
---|
| 63 |
|
---|
| 64 | SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
|
---|
| 65 | RenderQueue* rq = sm->getRenderQueue();
|
---|
| 66 | rq->clear();
|
---|
| 67 |
|
---|
| 68 | ((OgreSharedRuns*)sharedRuns->getRoot(ILLUMRUN_PHOTONMAP))->notifyCamera(photonMapCamera);
|
---|
| 69 | ((OgreSharedRuns*)sharedRuns->getRoot(ILLUMRUN_PHOTONMAP))->addRenderablesToQueue(rq);
|
---|
| 70 |
|
---|
| 71 | setMaterialForRenderables(materialName,rq);
|
---|
| 72 |
|
---|
| 73 | RenderTarget* rt = photonMapTexture->getBuffer().getPointer()->getRenderTarget();
|
---|
| 74 |
|
---|
| 75 | rt->update();
|
---|
| 76 | /*
|
---|
| 77 | static int framecount = 0;
|
---|
| 78 | String filename = "photon";
|
---|
| 79 | filename.append(this->name);
|
---|
| 80 | //filename.append(StringConverter::toString(framecount));
|
---|
| 81 | filename.append(".png");
|
---|
| 82 | rt->writeContentsToFile(filename);
|
---|
| 83 | framecount++;*/
|
---|
| 84 |
|
---|
| 85 |
|
---|
| 86 | restoreMaterials();
|
---|
| 87 | }
|
---|
| 88 |
|
---|
| 89 | void OgrePhotonMapRenderingRun::refreshLight()
|
---|
| 90 | {
|
---|
| 91 | ///TODO:
|
---|
| 92 | ///search nearest light, set light params
|
---|
| 93 | SceneManager* sm = Root::getSingleton()._getCurrentSceneManager();
|
---|
| 94 | LightList list;
|
---|
| 95 | sm->_populateLightList(((OgreSharedRuns*)sharedRuns)->getRootPosition(ILLUMRUN_PHOTONMAP),100000, list);
|
---|
| 96 |
|
---|
| 97 | light = *(list.begin());
|
---|
| 98 |
|
---|
| 99 | sharedRuns->updateBounds();
|
---|
| 100 |
|
---|
| 101 | if(light!= 0)
|
---|
| 102 | {
|
---|
| 103 | if(light->getType() == Light::LT_DIRECTIONAL)
|
---|
| 104 | {
|
---|
| 105 | Vector3 dir = light->getDerivedDirection();
|
---|
| 106 | photonMapCamera->setDirection( dir );
|
---|
| 107 | Real r = sharedRuns->getRootBoundingSphere(ILLUMRUN_PHOTONMAP).getRadius();
|
---|
| 108 | Vector3 center = sharedRuns->getRootPosition(ILLUMRUN_PHOTONMAP);
|
---|
| 109 | photonMapCamera->setPosition( center - dir * r);
|
---|
| 110 | photonMapCamera->setProjectionType(PT_ORTHOGRAPHIC);
|
---|
| 111 | Matrix4 proj;
|
---|
| 112 | proj = Matrix4::IDENTITY;
|
---|
| 113 | proj.setScale(Vector3(1.0/r, 1.0/r, -1.5/r));
|
---|
| 114 | //proj.setTrans(Vector3(0,0,-1));
|
---|
| 115 | photonMapCamera->setCustomProjectionMatrix(true,proj);
|
---|
| 116 | }
|
---|
| 117 | else
|
---|
| 118 | {
|
---|
| 119 | Vector3 pos = light->getDerivedPosition();
|
---|
| 120 | Vector3 center = sharedRuns->getRootPosition(ILLUMRUN_PHOTONMAP);
|
---|
| 121 | Vector3 dir = center - pos;
|
---|
| 122 | Real r = sharedRuns->getRootBoundingSphere(ILLUMRUN_PHOTONMAP).getRadius();
|
---|
| 123 | Real d = dir.length();
|
---|
| 124 | dir.normalise();
|
---|
| 125 | float mindist = 1.5 * r;
|
---|
| 126 | if(d < mindist)
|
---|
| 127 | {
|
---|
| 128 | pos -= dir * (mindist - d) ;
|
---|
| 129 | d = mindist;
|
---|
| 130 | }
|
---|
| 131 | photonMapCamera->setPosition(pos);
|
---|
| 132 | Radian alfa = Math::ASin(r/d);
|
---|
| 133 | photonMapCamera->setFOVy(2*alfa);
|
---|
| 134 | photonMapCamera->setDirection( dir );
|
---|
| 135 |
|
---|
| 136 | photonMapCamera->setNearClipDistance(std::max(0.01f, d - r));
|
---|
| 137 | photonMapCamera->setFarClipDistance(r + d);
|
---|
| 138 | }
|
---|
| 139 | }
|
---|
| 140 | }
|
---|
| 141 |
|
---|
| 142 | void OgrePhotonMapRenderingRun::distanceCubeMapChanged(RenderingRun* run)
|
---|
| 143 | {
|
---|
| 144 | Material* mat = (Material*) MaterialManager::getSingleton().getByName(materialName).getPointer();
|
---|
| 145 | OgreCubeMapRenderingRun* cuberun =(OgreCubeMapRenderingRun*) (run->asOgreRenderingRun());
|
---|
| 146 | String cubemapname = cuberun->getCubeMapTextureName();
|
---|
| 147 | mat->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureName(cubemapname);
|
---|
| 148 | }
|
---|
| 149 |
|
---|
| 150 | void OgrePhotonMapRenderingRun::distanceCubeMapUpdated(RenderingRun* run)
|
---|
| 151 | {
|
---|
| 152 | Material* mat = (Material*) MaterialManager::getSingleton().getByName(materialName).getPointer();
|
---|
| 153 | OgreCubeMapRenderingRun* cuberun =(OgreCubeMapRenderingRun*) (run->asOgreRenderingRun());
|
---|
| 154 | String cubemapname = cuberun->getCubeMapTextureName();
|
---|
| 155 | GpuProgramParametersSharedPtr fpParams = mat->getTechnique(0)->getPass(0)->getFragmentProgramParameters();
|
---|
| 156 | Vector3 center = ((OgreSharedRuns*) sharedRuns)->getRootPosition(ILLUMRUN_DISTANCE_CUBEMAP);
|
---|
| 157 | fpParams->setNamedConstant("lastCenter",center);
|
---|
| 158 | }
|
---|
| 159 |
|
---|
| 160 | void OgrePhotonMapRenderingRun::freeAllResources()
|
---|
| 161 | {
|
---|
| 162 | this->photonMapTexture = 0;
|
---|
| 163 | TextureManager::getSingleton().remove(name);
|
---|
| 164 | Root::getSingleton()._getCurrentSceneManager()->destroyCamera(name + "_CAMERA");
|
---|
| 165 | } |
---|