[1055] | 1 | #include "OgreChildPSystemRenderingRun.h"
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| 2 | #include "OgreIlluminationManager.h"
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| 3 |
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| 4 | OgreChildPSystemRenderingRun::OgreChildPSystemRenderingRun(OgreSharedRuns* sharedRuns,
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| 5 | String name,
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| 6 | unsigned long startFrame,
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| 7 | unsigned long updateInterval,
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| 8 | unsigned int resolution,
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| 9 | bool perspectiveRendering,
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| 10 | String childParticleSystemName,
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| 11 | String particleScriptName,
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| 12 | bool useOwnMaterial,
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| 13 | String materialName)
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| 14 | :ChildPsystemRenderingRun(resolution, perspectiveRendering, startFrame, updateInterval)
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| 15 | , OgreRenderingRun(startFrame, updateInterval)
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| 16 | , RenderingRun(startFrame, updateInterval)
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| 17 | {
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| 18 | this->sharedRuns = sharedRuns;
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| 19 | this->name = name;
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| 20 | this->resolution = resolution;
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| 21 | this->materialName = materialName;
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| 22 | this->particleScriptName = particleScriptName;
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| 23 | this->perspectiveRendering = perspectiveRendering;
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| 24 | this->childParticleSystemName = childParticleSystemName;
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| 25 | this->useOwnMaterial = useOwnMaterial;
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| 26 | createImpostorTexture();
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| 27 | }
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| 28 |
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| 29 | void OgreChildPSystemRenderingRun::createImpostorTexture()
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| 30 | {
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| 31 | TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual(name,
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| 32 | "default",
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| 33 | TEX_TYPE_2D,
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| 34 | resolution,
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| 35 | resolution,
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| 36 | 0,
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| 37 | 0,
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| 38 | PF_FLOAT16_RGBA,
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| 39 | TU_RENDERTARGET);
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| 40 | impostorTexture = texPtr.getPointer();
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| 41 | impostorCamera = Root::getSingleton()._getCurrentSceneManager()->createCamera(name + "_CAMERA");
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| 42 | //add viewport to rendertarget
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| 43 | HardwarePixelBuffer* hpb = (impostorTexture->getBuffer()).getPointer();
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| 44 | RenderTarget* rt = hpb->getRenderTarget();
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| 45 | Viewport* v = rt->addViewport(impostorCamera);
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[1330] | 46 | //Viewport* v = rt->addViewport(OgreIlluminationManager::getSingleton().getMainCamera());
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| 47 | v->setBackgroundColour(ColourValue(0,0,0,0));
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[1055] | 48 | v->setOverlaysEnabled(false);
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| 49 | rt->setAutoUpdated(false);
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| 50 | }
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| 51 |
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| 52 | void OgreChildPSystemRenderingRun::updateFrame(unsigned long frameNum)
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| 53 | {
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| 54 |
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| 55 | Material* mat = (Material*) MaterialManager::getSingleton().getByName(materialName).getPointer();
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| 56 |
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| 57 | SceneManager* sm = Ogre::Root::getSingleton()._getCurrentSceneManager();
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| 58 | RenderQueue* rq = sm->getRenderQueue();
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| 59 | rq->clear();
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| 60 |
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[1062] | 61 | sharedRuns->getRoot()->updateBounds();
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[1330] | 62 | Vector3 center = sharedRuns->getRootPosition(ILLUMRUN_HPP_IMPOSTOR);
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[1055] | 63 | Camera* mainCam = OgreIlluminationManager::getSingleton().getMainCamera();
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| 64 | impostorCamera->setPosition(mainCam->getPosition());
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[1330] | 65 |
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[1878] | 66 | // psysNode->setPosition(center);
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[1330] | 67 | ParticleSystem* psys = Root::getSingleton()._getCurrentSceneManager()->getParticleSystem(childParticleSystemName);
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| 68 |
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| 69 | psysNode->_updateBounds();
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| 70 | AxisAlignedBox bb = psysNode->_getWorldAABB();
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| 71 |
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| 72 | float r = (bb.getMaximum() - bb.getMinimum()).length() / 2.0;
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| 73 | sysRad = r;
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| 74 | center = bb.getCenter();
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[1878] | 75 | //Vector3 dir = center - mainCam->getPosition();
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| 76 | Vector3 dir = mainCam->getDirection();
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[1055] | 77 | float d = dir.normalise();
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[1330] | 78 |
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| 79 | if (d <= r * 1.2)//too close
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| 80 | {
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| 81 | d = r * 1.2;
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[1878] | 82 | impostorCamera->setPosition(dir * -d);
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[1330] | 83 | }
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[1055] | 84 |
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[1330] | 85 | impostorCamera->setDirection(dir);
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| 86 |
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| 87 | //r = 200;
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| 88 |
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[1055] | 89 | if(perspectiveRendering)
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| 90 | {
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| 91 | impostorCamera->setProjectionType(PT_PERSPECTIVE);
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| 92 | impostorCamera->setAspectRatio(1.0);
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[1062] | 93 | Radian a = Math::ASin(r / d) * 2.0;
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[1330] | 94 | impostorCamera->setFOVy( a );
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| 95 | impostorCamera->setNearClipDistance(d - r);
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| 96 | impostorCamera->setFarClipDistance(d + r);
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[1055] | 97 | }
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| 98 | else
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| 99 | {
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[1878] | 100 | impostorCamera->setPosition(Vector3(0,0,0));
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[1055] | 101 | impostorCamera->setProjectionType(PT_ORTHOGRAPHIC);
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| 102 | Matrix4 m;
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| 103 | m = Matrix4::IDENTITY;
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[1330] | 104 | float scale = 1.0 / r;
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[1055] | 105 | m.setScale(Vector3(scale, scale, scale));
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| 106 | impostorCamera->setCustomProjectionMatrix(true, m);
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| 107 | }
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| 108 |
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[1330] | 109 | //
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[1425] | 110 | psys->_notifyCurrentCamera(impostorCamera);
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[1055] | 111 | psys->_updateRenderQueue(rq);
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| 112 |
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| 113 | if(!useOwnMaterial)
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| 114 | setMaterialForRenderables(materialName,rq);
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| 115 |
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| 116 | RenderTarget* rt = impostorTexture->getBuffer().getPointer()->getRenderTarget();
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[1330] | 117 | sm->setFindVisibleObjects(false);
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[1055] | 118 | rt->update();
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[1330] | 119 | sm->setFindVisibleObjects(true);
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[1055] | 120 |
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| 121 |
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[1062] | 122 | static int framecount = 0;
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[1337] | 123 | String filename = "impostor_";
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[1062] | 124 | filename.append(this->name);
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| 125 | //filename.append(StringConverter::toString(framecount));
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[1337] | 126 | filename.append(".bmp");
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[2192] | 127 | //rt->writeContentsToFile(filename);
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[1062] | 128 | framecount++;
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| 129 |
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[1055] | 130 | if(!useOwnMaterial)
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| 131 | restoreMaterials();
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| 132 | }
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| 133 |
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[2320] | 134 | void OgreChildPSystemRenderingRun::freeAllResources()
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| 135 | {
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[2321] | 136 | impostorTexture = 0;
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[2320] | 137 | TextureManager::getSingleton().remove(name);
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| 138 | Root::getSingleton()._getCurrentSceneManager()->destroyCamera(name + "_CAMERA");
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| 139 | } |
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