[1055] | 1 | #include "OgreChildPSystemRenderingRun.h"
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| 2 | #include "OgreIlluminationManager.h"
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| 3 | #include "OgreDistanceCubeMapRenderingRun.h"
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| 4 |
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| 5 |
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| 6 |
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| 7 | OgreChildPSystemRenderingRun::OgreChildPSystemRenderingRun(OgreSharedRuns* sharedRuns,
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| 8 | String name,
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| 9 | unsigned long startFrame,
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| 10 | unsigned long updateInterval,
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| 11 | unsigned int resolution,
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| 12 | bool perspectiveRendering,
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| 13 | String childParticleSystemName,
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| 14 | String particleScriptName,
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| 15 | bool useOwnMaterial,
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| 16 | String materialName)
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| 17 | :ChildPsystemRenderingRun(resolution, perspectiveRendering, startFrame, updateInterval)
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| 18 | , OgreRenderingRun(startFrame, updateInterval)
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| 19 | , RenderingRun(startFrame, updateInterval)
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| 20 | {
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| 21 | this->sharedRuns = sharedRuns;
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| 22 | this->name = name;
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| 23 | this->resolution = resolution;
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| 24 | this->materialName = materialName;
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| 25 | this->particleScriptName = particleScriptName;
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| 26 | this->perspectiveRendering = perspectiveRendering;
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| 27 | this->childParticleSystemName = childParticleSystemName;
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| 28 | this->useOwnMaterial = useOwnMaterial;
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| 29 | createImpostorTexture();
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| 30 | }
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| 31 |
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| 32 | void OgreChildPSystemRenderingRun::createImpostorTexture()
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| 33 | {
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| 34 | TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual(name,
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| 35 | "default",
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| 36 | TEX_TYPE_2D,
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| 37 | resolution,
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| 38 | resolution,
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| 39 | 0,
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| 40 | 0,
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| 41 | PF_FLOAT16_RGBA,
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| 42 | TU_RENDERTARGET);
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| 43 | impostorTexture = texPtr.getPointer();
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| 44 | impostorCamera = Root::getSingleton()._getCurrentSceneManager()->createCamera(name + "_CAMERA");
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| 45 | //add viewport to rendertarget
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| 46 | HardwarePixelBuffer* hpb = (impostorTexture->getBuffer()).getPointer();
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| 47 | RenderTarget* rt = hpb->getRenderTarget();
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| 48 | Viewport* v = rt->addViewport(impostorCamera);
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| 49 | v->setOverlaysEnabled(false);
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| 50 | rt->setAutoUpdated(false);
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| 51 | }
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| 52 |
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| 53 | void OgreChildPSystemRenderingRun::updateFrame(unsigned long frameNum)
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| 54 | {
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| 55 |
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| 56 | Material* mat = (Material*) MaterialManager::getSingleton().getByName(materialName).getPointer();
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| 57 |
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| 58 | SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
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| 59 | RenderQueue* rq = sm->getRenderQueue();
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| 60 | rq->clear();
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| 61 |
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| 62 | Sphere boundSphere = ((OgreSharedRuns*)sharedRuns->getRoot(ILLUMRUN_HPP_IMPOSTOR))->getBoundingSphere();
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| 63 | Camera* mainCam = OgreIlluminationManager::getSingleton().getMainCamera();
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| 64 | impostorCamera->setPosition(mainCam->getPosition());
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| 65 | Vector3 dir = boundSphere.getCenter() - mainCam->getPosition();
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| 66 | float r = boundSphere.getRadius();
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| 67 | float d = dir.normalise();
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| 68 | impostorCamera->setDirection(dir);
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| 69 |
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| 70 | if(perspectiveRendering)
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| 71 | {
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| 72 | impostorCamera->setProjectionType(PT_PERSPECTIVE);
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| 73 | impostorCamera->setAspectRatio(1.0);
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| 74 | Radian a = Math::ASin(r / d);
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| 75 | impostorCamera->setFOVy(a * 2.0);
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| 76 | impostorCamera->setNearClipDistance(std::max(0.01f, d - r));
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| 77 | impostorCamera->setFarClipDistance(r + d);
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| 78 | }
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| 79 | else
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| 80 | {
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| 81 | impostorCamera->setPosition(boundSphere.getCenter());
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| 82 | impostorCamera->setProjectionType(PT_ORTHOGRAPHIC);
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| 83 | Matrix4 m;
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| 84 | m = Matrix4::IDENTITY;
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| 85 | float scale = 1.0 / boundSphere.getRadius();
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| 86 | m.setScale(Vector3(scale, scale, scale));
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| 87 | impostorCamera->setCustomProjectionMatrix(true, m);
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| 88 | }
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| 89 |
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| 90 | ParticleSystem* psys = Root::getSingleton()._getCurrentSceneManager()->getParticleSystem(childParticleSystemName);
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| 91 | psys->getParentSceneNode()->setPosition(boundSphere.getCenter());
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| 92 | psys->_notifyCurrentCamera(impostorCamera);
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| 93 | psys->_updateRenderQueue(rq);
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| 94 |
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| 95 | if(!useOwnMaterial)
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| 96 | setMaterialForRenderables(materialName,rq);
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| 97 |
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| 98 | RenderTarget* rt = impostorTexture->getBuffer().getPointer()->getRenderTarget();
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| 99 |
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| 100 | rt->update();
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| 101 |
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| 102 | /*
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| 103 | static int framecount = 0;
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| 104 | String filename = "photon";
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| 105 | filename.append(this->name);
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| 106 | //filename.append(StringConverter::toString(framecount));
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| 107 | filename.append(".png");
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| 108 | rt->writeContentsToFile(filename);
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| 109 | framecount++;
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| 110 | */
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| 111 |
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| 112 | if(!useOwnMaterial)
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| 113 | restoreMaterials();
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| 114 | }
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| 115 |
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