[790] | 1 | #include "OgreColorCubeMapRenderingRun.h"
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| 2 | #include "OgreIlluminationManager.h"
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| 3 |
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| 4 |
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| 5 |
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| 6 | OgreColorCubeMapRenderingRun::OgreColorCubeMapRenderingRun(OgreSharedRuns* sharedRuns,
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| 7 | String name,
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| 8 | unsigned long startFrame,
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| 9 | unsigned long updateInterval,
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| 10 | unsigned int resolution,
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| 11 | bool useDistCalc,
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| 12 | bool useFaceAngleCalc,
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| 13 | float distTolerance,
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| 14 | float angleTolerance,
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| 15 | bool updateAllFace)
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| 16 | :ColorCubeMapRenderingRun(startFrame, updateInterval, resolution, useDistCalc, useFaceAngleCalc, distTolerance, angleTolerance, updateAllFace)
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| 17 | , OgreRenderingRun(startFrame, updateInterval)
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| 18 | , RenderingRun(startFrame, updateInterval)
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| 19 |
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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 |
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| 24 | createColorCubeMap();
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| 25 | }
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| 26 |
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| 27 | void OgreColorCubeMapRenderingRun::createColorCubeMap()
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| 28 | {
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| 29 | colorCubemapTexture = createCubeRenderTexture(name,
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| 30 | sharedRuns->getRootPosition(),
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| 31 | resolution,
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| 32 | PF_FLOAT16_RGBA,
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| 33 | //PF_R8G8B8A8,
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| 34 | 0);
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| 35 | }
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| 36 |
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| 37 | void OgreColorCubeMapRenderingRun::updateCubeFace(int facenum)
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| 38 | {
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| 39 | sharedRuns->getRoot(ILLUMRUN_COLOR_CUBEMAP)->hide();
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| 40 |
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| 41 | RenderTarget* rt = colorCubemapTexture->getBuffer(facenum, 0).getPointer()
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| 42 | ->getRenderTarget();
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| 43 |
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| 44 | Vector3 center = sharedRuns->getRootPosition(ILLUMRUN_COLOR_CUBEMAP);
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| 45 | rt->getViewport(0)->getCamera()->setPosition(center);
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| 46 | rt->update();
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| 47 |
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| 48 | //rt->writeContentsToFile("cubbe" + StringConverter::toString(facenum) + ".dds");
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| 49 |
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| 50 | sharedRuns->getRoot(ILLUMRUN_COLOR_CUBEMAP)->restoreVisibility();
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| 51 | }
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| 52 |
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| 53 | bool OgreColorCubeMapRenderingRun::faceNeedsUpdate(int facenum)
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| 54 | {
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| 55 | if(useDistCalc || useFaceAngleCalc)
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| 56 | {
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| 57 | float chance1 = 1.0;
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| 58 | float chance2 = 1.0;
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| 59 |
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| 60 | Camera* mainCamera = OgreIlluminationManager::getSingleton().getMainCamera();
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| 61 |
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| 62 | if(useDistCalc)
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| 63 | {
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| 64 | Vector3 cubemapPosition = sharedRuns->getRootPosition(ILLUMRUN_COLOR_CUBEMAP);
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| 65 | float objradius = sharedRuns->getRootBoundingSphere(ILLUMRUN_COLOR_CUBEMAP).getRadius();
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| 66 | float fov = mainCamera->getFOVy().valueRadians() / 2.0;
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| 67 | float dist = (cubemapPosition - mainCamera->getPosition()).length();
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| 68 | float vangle = Math::ASin( objradius / dist).valueRadians();
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| 69 | float angleratio = vangle / fov;
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| 70 | chance1 = Math::Pow(angleratio, 1.0 / distTolerance);
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| 71 | }
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| 72 |
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| 73 | if(useFaceAngleCalc)
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| 74 | {
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| 75 | Vector3 faceDir = getCubeMapFaceDirection(facenum);
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| 76 | Vector3 cameraDir = mainCamera->getDirection();
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| 77 | float angle = faceDir.dotProduct(-1 * cameraDir);
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| 78 | float facingforward = (angle + 1) / 2.0;
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| 79 | chance2 = Math::Pow(facingforward, 1.0 / angleTolerance);
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| 80 | }
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| 81 |
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| 82 | float dice = Math::UnitRandom();
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| 83 | float chance = chance1 * chance2;
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| 84 |
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| 85 | if(dice < chance)
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| 86 | {
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| 87 | return true;
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| 88 | }
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| 89 | else
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| 90 | {
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| 91 | return false;
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| 92 | }
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| 93 | }
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| 94 |
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| 95 | return true;
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| 96 | }
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