MStatus BCIViz::compute( const MPlug& plug, MDataBlock& block ) { if( plug == outValue ) { MStatus status; MDagPath path; MDagPath::getAPathTo(thisMObject(), path); MMatrix worldInverseSpace = path.inclusiveMatrixInverse(); MDataHandle inputdata = block.inputValue(ainput, &status); if(status) { const MMatrix drvSpace = inputdata.asMatrix(); fDriverPos.x = drvSpace(3, 0); fDriverPos.y = drvSpace(3, 1); fDriverPos.z = drvSpace(3, 2); fDriverPos *= worldInverseSpace; } fTargetPositions.clear(); MArrayDataHandle htarget = block.inputArrayValue( atargets ); unsigned numTarget = htarget.elementCount(); fTargetPositions.setLength(numTarget); for(unsigned i = 0; i<numTarget; i++) { MDataHandle tgtdata = htarget.inputValue(&status); if(status) { const MMatrix tgtSpace = tgtdata.asMatrix(); MPoint tgtPos(tgtSpace(3,0), tgtSpace(3,1), tgtSpace(3,2)); tgtPos *= worldInverseSpace; MVector disp = tgtPos; disp.normalize(); tgtPos = disp; fTargetPositions[i] = tgtPos; } htarget.next(); } m_hitTriangle = 0; neighbourId[0] = 0; neighbourId[1] = 1; neighbourId[2] = 2; if(!checkTarget()) { MGlobal::displayWarning("convex hull must have no less than 4 targes."); return MS::kSuccess; } if(!checkFirstFour(fTargetPositions)) { MGlobal::displayWarning("first 4 targes cannot sit on the same plane."); return MS::kSuccess; } if(!constructHull()) { MGlobal::displayWarning("convex hull failed on construction."); return MS::kSuccess; } findNeighbours(); calculateWeight(); MArrayDataHandle outputHandle = block.outputArrayValue( outValue ); int numWeight = fTargetPositions.length(); m_resultWeights.setLength(numWeight); for(int i=0; i < numWeight; i++) m_resultWeights[i] = 0.0; m_resultWeights[neighbourId[0]] = fAlpha; m_resultWeights[neighbourId[1]] = fBeta; m_resultWeights[neighbourId[2]] = fGamma; MArrayDataBuilder builder(outValue, numWeight, &status); for(int i=0; i < numWeight; i++) { MDataHandle outWeightHandle = builder.addElement(i); outWeightHandle.set( m_resultWeights[i] ); //MGlobal::displayInfo(MString("wei ") + i + " " + weights[i]); } outputHandle.set(builder); outputHandle.setAllClean(); } return MS::kSuccess; }
MStatus n_tentacle::compute( const MPlug& plug, MDataBlock& data ) { MStatus returnStatus; //make sure we have the curve MObject curveObj = data.inputValue(curve).asNurbsCurve(); if(!curveObj.isNull()) { //get the data MArrayDataHandle inMatrixArrayHnd = data.inputArrayValue(matrix); int tangentAxisI = data.inputValue(tangentAxis).asInt(); if(tangentAxisI > 2) tangentAxisI = - (tangentAxisI - 2); else tangentAxisI = tangentAxisI + 1; double stretchF = data.inputValue(stretch).asDouble(); double globalScaleF = data.inputValue(globalScale).asDouble(); double iniLengthF = data.inputValue(iniLength).asDouble(); const MFnNurbsCurve curve(curveObj); MArrayDataHandle parameterArrayHnd = data.inputArrayValue(parameter); MArrayDataHandle blendRotArrayHnd = data.inputArrayValue(blendRot); MArrayDataHandle intervalArrayHnd = data.inputArrayValue(interval); MArrayDataHandle outTranslateArrayHnd = data.outputArrayValue(outTranslate); MArrayDataHandle outRotateArrayHnd = data.outputArrayValue(outRotate); int parameterNrPlugs = parameterArrayHnd.elementCount(); int blendRotNrPlugs = blendRotArrayHnd.elementCount(); int outTranslateNrPlugs = outTranslateArrayHnd.elementCount(); int outRotateNrPlugs = outRotateArrayHnd.elementCount(); //get the current curve length double currCurveLen = curve.length(); if(this->init == false) { if(outTranslateNrPlugs == parameterNrPlugs && outRotateNrPlugs == parameterNrPlugs && parameterNrPlugs == blendRotNrPlugs) { this->init = true; } } if( plug == outTranslate || plug == outRotate || plug == outRotateX || plug == outRotateY || plug == outRotateZ) { if(this->init) { MArrayDataBuilder tbuilder(outTranslate, parameterNrPlugs); MArrayDataBuilder rbuilder(outRotate, parameterNrPlugs); for(int i = 0; i < parameterNrPlugs; i++) { intervalArrayHnd.jumpToArrayElement(i); int intervalI = intervalArrayHnd.inputValue().asInt(); inMatrixArrayHnd.jumpToArrayElement(intervalI); MMatrix matrix1 = inMatrixArrayHnd.inputValue().asMatrix(); this->removeMatrixScale(matrix1); inMatrixArrayHnd.jumpToArrayElement(intervalI + 1); MMatrix matrix2 = inMatrixArrayHnd.inputValue().asMatrix(); this->removeMatrixScale(matrix2); parameterArrayHnd.jumpToArrayElement(i); double parameterF = parameterArrayHnd.inputValue().asDouble(); blendRotArrayHnd.jumpToArrayElement(i); double blendRotF = blendRotArrayHnd.inputValue().asDouble(); MVector outPos, outRot; this->computeSlerp(matrix1, matrix2, curve, parameterF, blendRotF, iniLengthF, currCurveLen, stretchF, globalScaleF, tangentAxisI, outPos, outRot); MDataHandle outTranslateHnd = tbuilder.addElement(i); outTranslateHnd.set3Double(outPos.x, outPos.y, outPos.z); MDataHandle outRotateHnd = rbuilder.addElement(i); double rotation[3]; outRotateHnd.set( outRot.x, outRot.y, outRot.z ); //this->output(outPos, outRot, i, outTranslateArrayHnd, outRotateArrayHnd); } outTranslateArrayHnd.set(tbuilder); outTranslateArrayHnd.setAllClean(); outRotateArrayHnd.set(rbuilder); outRotateArrayHnd.setAllClean(); } data.setClean(plug); } else { return MS::kUnknownParameter; } } return MS::kSuccess; }
MStatus AlembicNode::compute(const MPlug & plug, MDataBlock & dataBlock) { MStatus status; // update the frame number to be imported MDataHandle speedHandle = dataBlock.inputValue(mSpeedAttr, &status); double speed = speedHandle.asDouble(); MDataHandle offsetHandle = dataBlock.inputValue(mOffsetAttr, &status); double offset = offsetHandle.asDouble(); MDataHandle timeHandle = dataBlock.inputValue(mTimeAttr, &status); MTime t = timeHandle.asTime(); double inputTime = t.as(MTime::kSeconds); double fps = getFPS(); // scale and offset inputTime. inputTime = computeAdjustedTime(inputTime, speed, offset/fps); // this should be done only once per file if (mFileInitialized == false) { mFileInitialized = true; MDataHandle dataHandle = dataBlock.inputValue(mAbcFileNameAttr); MFileObject fileObject; fileObject.setRawFullName(dataHandle.asString()); MString fileName = fileObject.resolvedFullName(); // TODO, make sure the file name, or list of files create a valid // Alembic IArchive // initialize some flags for plug update mSubDInitialized = false; mPolyInitialized = false; // When an alembic cache will be imported at the first time using // AbcImport, we need to set mIncludeFilterAttr (filterHandle) to be // mIncludeFilterString for later use. When we save a maya scene(.ma) // mIncludeFilterAttr will be saved. Then when we load the saved // .ma file, mIncludeFilterString will be set to be mIncludeFilterAttr. MDataHandle includeFilterHandle = dataBlock.inputValue(mIncludeFilterAttr, &status); MString& includeFilterString = includeFilterHandle.asString(); if (mIncludeFilterString.length() > 0) { includeFilterHandle.set(mIncludeFilterString); dataBlock.setClean(mIncludeFilterAttr); } else if (includeFilterString.length() > 0) { mIncludeFilterString = includeFilterString; } MDataHandle excludeFilterHandle = dataBlock.inputValue(mExcludeFilterAttr, &status); MString& excludeFilterString = excludeFilterHandle.asString(); if (mExcludeFilterString.length() > 0) { excludeFilterHandle.set(mExcludeFilterString); dataBlock.setClean(mExcludeFilterAttr); } else if (excludeFilterString.length() > 0) { mExcludeFilterString = excludeFilterString; } MFnDependencyNode dep(thisMObject()); MPlug allSetsPlug = dep.findPlug("allColorSets"); CreateSceneVisitor visitor(inputTime, !allSetsPlug.isNull(), MObject::kNullObj, CreateSceneVisitor::NONE, "", mIncludeFilterString, mExcludeFilterString); { mData.getFrameRange(mSequenceStartTime, mSequenceEndTime); MDataHandle startFrameHandle = dataBlock.inputValue(mStartFrameAttr, &status); startFrameHandle.set(mSequenceStartTime*fps); MDataHandle endFrameHandle = dataBlock.inputValue(mEndFrameAttr, &status); endFrameHandle.set(mSequenceEndTime*fps); } } // Retime MDataHandle cycleHandle = dataBlock.inputValue(mCycleTypeAttr, &status); short playType = cycleHandle.asShort(); inputTime = computeRetime(inputTime, mSequenceStartTime, mSequenceEndTime, playType); clamp<double>(mSequenceStartTime, mSequenceEndTime, inputTime); // update only when the time lapse is big enough if (fabs(inputTime - mCurTime) > 0.00001) { mOutRead = std::vector<bool>(mOutRead.size(), false); mCurTime = inputTime; } if (plug == mOutPropArrayAttr) { if (mOutRead[0]) { dataBlock.setClean(plug); return MS::kSuccess; } mOutRead[0] = true; unsigned int propSize = static_cast<unsigned int>(mData.mPropList.size()); if (propSize > 0) { MArrayDataHandle outArrayHandle = dataBlock.outputValue( mOutPropArrayAttr, &status); unsigned int outHandleIndex = 0; MDataHandle outHandle; // for all of the nodes with sampled attributes for (unsigned int i = 0; i < propSize; i++) { // only use the handle if it matches the index. // The index wont line up in the sparse case so we // can just skip that element. if (outArrayHandle.elementIndex() == outHandleIndex++) { outHandle = outArrayHandle.outputValue(); } else { continue; } if (mData.mPropList[i].mArray.valid()) { readProp(mCurTime, mData.mPropList[i].mArray, outHandle); } else if (mData.mPropList[i].mScalar.valid()) { // for visibility only if (mData.mPropList[i].mScalar.getName() == Alembic::AbcGeom::kVisibilityPropertyName) { Alembic::Util::int8_t visVal = 1; mData.mPropList[i].mScalar.get(&visVal, Alembic::Abc::ISampleSelector(mCurTime, Alembic::Abc::ISampleSelector::kNearIndex )); outHandle.setGenericBool(visVal != 0, false); } else { // for all scalar props readProp(mCurTime, mData.mPropList[i].mScalar, outHandle); } } outArrayHandle.next(); } outArrayHandle.setAllClean(); } } else if (plug == mOutTransOpArrayAttr ) { if (mOutRead[1]) { dataBlock.setClean(plug); return MS::kSuccess; } mOutRead[1] = true; unsigned int xformSize = static_cast<unsigned int>(mData.mXformList.size()); if (xformSize > 0) { MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutTransOpArrayAttr, &status); MPlug arrayPlug(thisMObject(), mOutTransOpArrayAttr); MDataHandle outHandle; unsigned int outHandleIndex = 0; for (unsigned int i = 0; i < xformSize; i++) { std::vector<double> sampleList; if (mData.mIsComplexXform[i]) { readComplex(mCurTime, mData.mXformList[i], sampleList); } else { Alembic::AbcGeom::XformSample samp; read(mCurTime, mData.mXformList[i], sampleList, samp); } unsigned int sampleSize = (unsigned int)sampleList.size(); for (unsigned int j = 0; j < sampleSize; j++) { // only use the handle if it matches the index. // The index wont line up in the sparse case so we // can just skip that element. if (outArrayHandle.elementIndex() == outHandleIndex++) { outHandle = outArrayHandle.outputValue(&status); } else continue; outArrayHandle.next(); outHandle.set(sampleList[j]); } } outArrayHandle.setAllClean(); } } else if (plug == mOutLocatorPosScaleArrayAttr ) { if (mOutRead[8]) { dataBlock.setClean(plug); return MS::kSuccess; } mOutRead[8] = true; unsigned int locSize = static_cast<unsigned int>(mData.mLocList.size()); if (locSize > 0) { MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutLocatorPosScaleArrayAttr, &status); MPlug arrayPlug(thisMObject(), mOutLocatorPosScaleArrayAttr); MDataHandle outHandle; unsigned int outHandleIndex = 0; for (unsigned int i = 0; i < locSize; i++) { std::vector< double > sampleList; read(mCurTime, mData.mLocList[i], sampleList); unsigned int sampleSize = (unsigned int)sampleList.size(); for (unsigned int j = 0; j < sampleSize; j++) { // only use the handle if it matches the index. // The index wont line up in the sparse case so we // can just skip that element. if (outArrayHandle.elementIndex() == outHandleIndex++) { outHandle = outArrayHandle.outputValue(&status); } else continue; outArrayHandle.next(); outHandle.set(sampleList[j]); } } outArrayHandle.setAllClean(); } } else if (plug == mOutSubDArrayAttr) { if (mOutRead[2]) { // Reference the output to let EM know we are the writer // of the data. EM sets the output to holder and causes // race condition when evaluating fan-out destinations. MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutSubDArrayAttr, &status); const unsigned int elementCount = outArrayHandle.elementCount(); for (unsigned int j = 0; j < elementCount; j++) { outArrayHandle.outputValue().data(); outArrayHandle.next(); } outArrayHandle.setAllClean(); return MS::kSuccess; } mOutRead[2] = true; unsigned int subDSize = static_cast<unsigned int>(mData.mSubDList.size()); if (subDSize > 0) { MArrayDataHandle outArrayHandle = dataBlock.outputValue( mOutSubDArrayAttr, &status); MDataHandle outHandle; for (unsigned int j = 0; j < subDSize; j++) { // these elements can be sparse if they have been deleted if (outArrayHandle.elementIndex() != j) { continue; } outHandle = outArrayHandle.outputValue(&status); outArrayHandle.next(); MObject obj = outHandle.data(); if (obj.hasFn(MFn::kMesh)) { MFnMesh fnMesh(obj); readSubD(mCurTime, fnMesh, obj, mData.mSubDList[j], mSubDInitialized); outHandle.set(obj); } } mSubDInitialized = true; outArrayHandle.setAllClean(); } // for the case where we don't have any nodes, we want to make sure // to push out empty meshes on our connections, this can happen if // the input file was offlined, currently we only need to do this for // meshes as Nurbs, curves, and the other channels don't crash Maya else { MArrayDataHandle outArrayHandle = dataBlock.outputValue( mOutSubDArrayAttr, &status); if (outArrayHandle.elementCount() > 0) { do { MDataHandle outHandle = outArrayHandle.outputValue(); MObject obj = outHandle.data(); if (obj.hasFn(MFn::kMesh)) { MFloatPointArray emptyVerts; MIntArray emptyCounts; MIntArray emptyConnects; MFnMesh emptyMesh; emptyMesh.create(0, 0, emptyVerts, emptyCounts, emptyConnects, obj); outHandle.set(obj); } } while (outArrayHandle.next() == MS::kSuccess); } mSubDInitialized = true; outArrayHandle.setAllClean(); } } else if (plug == mOutPolyArrayAttr) { if (mOutRead[3]) { // Reference the output to let EM know we are the writer // of the data. EM sets the output to holder and causes // race condition when evaluating fan-out destinations. MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutPolyArrayAttr, &status); const unsigned int elementCount = outArrayHandle.elementCount(); for (unsigned int j = 0; j < elementCount; j++) { outArrayHandle.outputValue().data(); outArrayHandle.next(); } outArrayHandle.setAllClean(); return MS::kSuccess; } mOutRead[3] = true; unsigned int polySize = static_cast<unsigned int>(mData.mPolyMeshList.size()); if (polySize > 0) { MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutPolyArrayAttr, &status); MDataHandle outHandle; for (unsigned int j = 0; j < polySize; j++) { // these elements can be sparse if they have been deleted if (outArrayHandle.elementIndex() != j) { continue; } outHandle = outArrayHandle.outputValue(&status); outArrayHandle.next(); MObject obj = outHandle.data(); if (obj.hasFn(MFn::kMesh)) { MFnMesh fnMesh(obj); readPoly(mCurTime, fnMesh, obj, mData.mPolyMeshList[j], mPolyInitialized); outHandle.set(obj); } } mPolyInitialized = true; outArrayHandle.setAllClean(); } // for the case where we don't have any nodes, we want to make sure // to push out empty meshes on our connections, this can happen if // the input file was offlined, currently we only need to do this for // meshes as Nurbs, curves, and the other channels don't crash Maya else { MArrayDataHandle outArrayHandle = dataBlock.outputValue( mOutPolyArrayAttr, &status); if (outArrayHandle.elementCount() > 0) { do { MDataHandle outHandle = outArrayHandle.outputValue(&status); MObject obj = outHandle.data(); if (obj.hasFn(MFn::kMesh)) { MFloatPointArray emptyVerts; MIntArray emptyCounts; MIntArray emptyConnects; MFnMesh emptyMesh; emptyMesh.create(0, 0, emptyVerts, emptyCounts, emptyConnects, obj); outHandle.set(obj); } } while (outArrayHandle.next() == MS::kSuccess); } mPolyInitialized = true; outArrayHandle.setAllClean(); } } else if (plug == mOutCameraArrayAttr) { if (mOutRead[4]) { dataBlock.setClean(plug); return MS::kSuccess; } mOutRead[4] = true; unsigned int cameraSize = static_cast<unsigned int>(mData.mCameraList.size()); if (cameraSize > 0) { MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutCameraArrayAttr, &status); MPlug arrayPlug(thisMObject(), mOutCameraArrayAttr); double angleConversion = 1.0; switch (MAngle::uiUnit()) { case MAngle::kRadians: angleConversion = 0.017453292519943295; break; case MAngle::kAngMinutes: angleConversion = 60.0; break; case MAngle::kAngSeconds: angleConversion = 3600.0; break; default: break; } MDataHandle outHandle; unsigned int index = 0; for (unsigned int cameraIndex = 0; cameraIndex < cameraSize; cameraIndex++) { Alembic::AbcGeom::ICamera & cam = mData.mCameraList[cameraIndex]; std::vector<double> array; read(mCurTime, cam, array); for (unsigned int dataIndex = 0; dataIndex < array.size(); dataIndex++, index++) { // skip over sparse elements if (index != outArrayHandle.elementIndex()) { continue; } outHandle = outArrayHandle.outputValue(&status); outArrayHandle.next(); // not shutter angle index, so not an angle if (dataIndex != 11) { outHandle.set(array[dataIndex]); } else { outHandle.set(array[dataIndex] * angleConversion); } } // for the per camera data handles } // for each camera outArrayHandle.setAllClean(); } } else if (plug == mOutNurbsSurfaceArrayAttr) { if (mOutRead[5]) { // Reference the output to let EM know we are the writer // of the data. EM sets the output to holder and causes // race condition when evaluating fan-out destinations. MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutNurbsSurfaceArrayAttr, &status); const unsigned int elementCount = outArrayHandle.elementCount(); for (unsigned int j = 0; j < elementCount; j++) { outArrayHandle.outputValue().data(); outArrayHandle.next(); } outArrayHandle.setAllClean(); return MS::kSuccess; } mOutRead[5] = true; unsigned int nSurfaceSize = static_cast<unsigned int>(mData.mNurbsList.size()); if (nSurfaceSize > 0) { MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutNurbsSurfaceArrayAttr, &status); MDataHandle outHandle; for (unsigned int j = 0; j < nSurfaceSize; j++) { // these elements can be sparse if they have been deleted if (outArrayHandle.elementIndex() != j) continue; outHandle = outArrayHandle.outputValue(&status); outArrayHandle.next(); MObject obj = outHandle.data(); if (obj.hasFn(MFn::kNurbsSurface)) { readNurbs(mCurTime, mData.mNurbsList[j], obj); outHandle.set(obj); } } outArrayHandle.setAllClean(); } } else if (plug == mOutNurbsCurveGrpArrayAttr) { if (mOutRead[6]) { // Reference the output to let EM know we are the writer // of the data. EM sets the output to holder and causes // race condition when evaluating fan-out destinations. MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutNurbsCurveGrpArrayAttr, &status); const unsigned int elementCount = outArrayHandle.elementCount(); for (unsigned int j = 0; j < elementCount; j++) { outArrayHandle.outputValue().data(); outArrayHandle.next(); } outArrayHandle.setAllClean(); return MS::kSuccess; } mOutRead[6] = true; unsigned int nCurveGrpSize = static_cast<unsigned int>(mData.mCurvesList.size()); if (nCurveGrpSize > 0) { MArrayDataHandle outArrayHandle = dataBlock.outputValue(mOutNurbsCurveGrpArrayAttr, &status); MDataHandle outHandle; std::vector<MObject> curvesObj; for (unsigned int i = 0; i < nCurveGrpSize; ++i) { readCurves(mCurTime, mData.mCurvesList[i], mData.mNumCurves[i], curvesObj); } std::size_t numChild = curvesObj.size(); // not the best way to do this // only reading bunches of curves based on the connections would be // more efficient when there is a bunch of broken connections for (unsigned int i = 0; i < numChild; i++) { if (outArrayHandle.elementIndex() != i) { continue; } outHandle = outArrayHandle.outputValue(&status); outArrayHandle.next(); status = outHandle.set(curvesObj[i]); } outArrayHandle.setAllClean(); } } else { return MS::kUnknownParameter; } dataBlock.setClean(plug); return status; }
MStatus sgHair_controlJoint::compute( const MPlug& plug, MDataBlock& data ) { MStatus status; MDataHandle hStaticRotation = data.inputValue( aStaticRotation ); m_bStaticRotation = hStaticRotation.asBool(); if( m_isDirtyMatrix ) { MDataHandle hInputBaseCurveMatrix = data.inputValue( aInputBaseCurveMatrix ); m_mtxBaseCurve = hInputBaseCurveMatrix.asMatrix(); } if( m_isDirtyParentMatrixBase ) { MDataHandle hJointParenBasetMatrix = data.inputValue( aJointParentBaseMatrix ); m_mtxJointParentBase = hJointParenBasetMatrix.asMatrix(); } if( m_isDirtyCurve || m_isDirtyParentMatrixBase ) { MDataHandle hInputBaseCurve = data.inputValue( aInputBaseCurve ); MFnNurbsCurve fnCurve = hInputBaseCurve.asNurbsCurve(); fnCurve.getCVs( m_cvs ); getJointPositionBaseWorld(); } if( m_isDirtyGravityOption || m_isDirtyCurve || m_isDirtyParentMatrixBase ) { MDataHandle hGravityParam = data.inputValue( aGravityParam ); MDataHandle hGravityRange = data.inputValue( aGravityRange ); MDataHandle hGravityWeight = data.inputValue( aGravityWeight ); MDataHandle hGravityOffsetMatrix = data.inputValue( aGravityOffsetMatrix ); m_paramGravity = hGravityParam.asDouble(); m_rangeGravity = hGravityRange.asDouble(); m_weightGravity = hGravityWeight.asDouble(); m_mtxGravityOffset = hGravityOffsetMatrix.asMatrix(); m_mtxGravityOffset( 3,0 ) = 0.0; m_mtxGravityOffset( 3,1 ) = 0.0; m_mtxGravityOffset( 3,2 ) = 0.0; setGravityJointPositionWorld(); } setOutput(); MArrayDataHandle hArrOutput = data.outputValue( aOutput ); MArrayDataBuilder builderOutput( aOutput, m_cvs.length() ); for( int i=0; i< m_cvs.length(); i++ ) { MDataHandle hOutput = builderOutput.addElement( i ); MDataHandle hOutTrans = hOutput.child( aOutTrans ); MDataHandle hOutOrient = hOutput.child( aOutOrient ); hOutTrans.set( m_vectorArrTransJoint[i] ); hOutOrient.set( m_vectorArrRotateJoint[i] ); } hArrOutput.set( builderOutput ); hArrOutput.setAllClean(); data.setClean( plug ); m_isDirtyMatrix = false; m_isDirtyCurve = false; m_isDirtyGravityOption = false; m_isDirtyParentMatrixBase = false; return MS::kSuccess; }
MStatus AlembicCurvesNode::compute(const MPlug &plug, MDataBlock &dataBlock) { ESS_PROFILE_SCOPE("AlembicCurvesNode::compute"); MStatus status; // update the frame number to be imported const double inputTime = dataBlock.inputValue(mTimeAttr).asTime().as(MTime::kSeconds); MString &fileName = dataBlock.inputValue(mFileNameAttr).asString(); MString &identifier = dataBlock.inputValue(mIdentifierAttr).asString(); // check if we have the file if (fileName != mFileName || identifier != mIdentifier) { mSchema.reset(); if (fileName != mFileName) { delRefArchive(mFileName); mFileName = fileName; addRefArchive(mFileName); } mIdentifier = identifier; // get the object from the archive Abc::IObject iObj = getObjectFromArchive(mFileName, identifier); if (!iObj.valid()) { MGlobal::displayWarning("[ExocortexAlembic] Identifier '" + identifier + "' not found in archive '" + mFileName + "'."); return MStatus::kFailure; } AbcG::ICurves obj(iObj, Abc::kWrapExisting); if (!obj.valid()) { MGlobal::displayWarning("[ExocortexAlembic] Identifier '" + identifier + "' in archive '" + mFileName + "' is not a Curves."); return MStatus::kFailure; } mObj = obj; mSchema = obj.getSchema(); mCurvesData = MObject::kNullObj; } if (!mSchema.valid()) { return MStatus::kFailure; } { ESS_PROFILE_SCOPE("AlembicCurvesNode::compute readProps"); Alembic::Abc::ICompoundProperty arbProp = mSchema.getArbGeomParams(); Alembic::Abc::ICompoundProperty userProp = mSchema.getUserProperties(); readProps(inputTime, arbProp, dataBlock, thisMObject()); readProps(inputTime, userProp, dataBlock, thisMObject()); // Set all plugs as clean // Even if one of them failed to get set, // trying again in this frame isn't going to help for (unsigned int i = 0; i < mGeomParamPlugs.length(); i++) { dataBlock.outputValue(mGeomParamPlugs[i]).setClean(); } for (unsigned int i = 0; i < mUserAttrPlugs.length(); i++) { dataBlock.outputValue(mUserAttrPlugs[i]).setClean(); } } // get the sample SampleInfo sampleInfo = getSampleInfo(inputTime, mSchema.getTimeSampling(), mSchema.getNumSamples()); // check if we have to do this at all if (!mCurvesData.isNull() && mLastSampleInfo.floorIndex == sampleInfo.floorIndex && mLastSampleInfo.ceilIndex == sampleInfo.ceilIndex) { return MStatus::kSuccess; } mLastSampleInfo = sampleInfo; const float blend = (float)sampleInfo.alpha; // access the camera values AbcG::ICurvesSchema::Sample sample; AbcG::ICurvesSchema::Sample sample2; mSchema.get(sample, sampleInfo.floorIndex); if (blend != 0.0f) { mSchema.get(sample2, sampleInfo.ceilIndex); } Abc::P3fArraySamplePtr samplePos = sample.getPositions(); Abc::P3fArraySamplePtr samplePos2 = sample2.getPositions(); Abc::Int32ArraySamplePtr nbVertices = sample.getCurvesNumVertices(); const bool applyBlending = (blend == 0.0f) ? false : (samplePos->size() == samplePos2->size()); Abc::FloatArraySamplePtr pKnotVec = getKnotVector(mObj); Abc::UInt16ArraySamplePtr pOrders = getCurveOrders(mObj); MArrayDataHandle arrh = dataBlock.outputArrayValue(mOutGeometryAttr); MArrayDataBuilder builder = arrh.builder(); // reference: // http://download.autodesk.com/us/maya/2010help/API/multi_curve_node_8cpp-example.html const int degree = (sample.getType() == AbcG::kCubic) ? 3 : 1; const bool closed = (sample.getWrap() == AbcG::kPeriodic); unsigned int pointOffset = 0; unsigned int knotOffset = 0; for (int ii = 0; ii < nbVertices->size(); ++ii) { const unsigned int nbCVs = (unsigned int)nbVertices->get()[ii]; const int ldegree = (pOrders) ? pOrders->get()[ii] : degree; const int nbSpans = (int)nbCVs - ldegree; MDoubleArray knots; if (pKnotVec) { const unsigned int nb_knot = nbCVs + ldegree - 1; for (unsigned int i = 0; i < nb_knot; ++i) { knots.append(pKnotVec->get()[knotOffset + i]); } knotOffset += nb_knot; } else { for (int span = 0; span <= nbSpans; ++span) { knots.append(double(span)); if (span == 0 || span == nbSpans) { for (int m = 1; m < degree; ++m) { knots.append(double(span)); } } } } MPointArray points; if (samplePos->size() > 0) { points.setLength((unsigned int)nbCVs); if (applyBlending) { for (unsigned int i = 0; i < nbCVs; ++i) { const Abc::P3fArraySample::value_type &vals1 = samplePos->get()[pointOffset + i]; const Abc::P3fArraySample::value_type &vals2 = samplePos2->get()[pointOffset + i]; MPoint &pt = points[i]; pt.x = vals1.x + (vals2.x - vals1.x) * blend; pt.y = vals1.y + (vals2.y - vals1.y) * blend; pt.z = vals1.z + (vals2.z - vals1.z) * blend; } } else { for (unsigned int i = 0; i < nbCVs; ++i) { const Abc::P3fArraySample::value_type &vals = samplePos->get()[pointOffset + i]; MPoint &pt = points[i]; pt.x = vals.x; pt.y = vals.y; pt.z = vals.z; } } pointOffset += nbCVs; } // create a subd either with or without uvs MObject mmCurvesData = MFnNurbsCurveData().create(); if (ldegree == 1 || ldegree == 3) mCurves.create(points, knots, ldegree, closed ? MFnNurbsCurve::kClosed : MFnNurbsCurve::kOpen, false, false, mmCurvesData); builder.addElement(ii).set(mmCurvesData); } arrh.set(builder); arrh.setAllClean(); return MStatus::kSuccess; }
MStatus sgIkSmoothStretch::compute( const MPlug& plug, MDataBlock& data ) { MStatus stat; if ( plug == aOutputDistance ) { MArrayDataHandle hArrInputDistance = data.inputArrayValue( aInputDistance ); MDataHandle hStretchAble = data.inputValue( aStretchAble ); MDataHandle hSmoothArea = data.inputValue( aSmoothArea ); float stretchAble = hStretchAble.asFloat(); double allDistance = 0.0; int arrayCount = hArrInputDistance.elementCount(); double* outputDistances = new double[arrayCount]; int multMinus = 1; for( int i=0; i<arrayCount; i++ ) { MDataHandle hInputDistance = hArrInputDistance.inputValue(); double inputDistance = hInputDistance.asDouble(); if( inputDistance < 0 ) { multMinus = -1; outputDistances[i] = -inputDistance; } else { outputDistances[i] = inputDistance; } allDistance += outputDistances[i]; hArrInputDistance.next(); } MDataHandle hInPosition = data.inputValue( aInPosition ); MDataHandle hInPositionX = hInPosition.child( aInPositionX ); MDataHandle hInPositionY = hInPosition.child( aInPositionY ); MDataHandle hInPositionZ = hInPosition.child( aInPositionZ ); double smoothArea = hSmoothArea.asDouble()*0.1; double poseDistance = sqrt( pow( hInPositionX.asDouble(), 2 )+pow( hInPositionY.asDouble(), 2 )+pow( hInPositionZ.asDouble(), 2 ) ) ; allDistance = fabs( allDistance ); double stretchRate = getSmoothStretchRate( outputDistances[0], outputDistances[1], poseDistance, smoothArea ); double smoothRate = getSmoothRate( outputDistances[0], outputDistances[1], poseDistance, smoothArea ); double currentRate = ( 1-stretchAble )*smoothRate + stretchAble*stretchRate; outputDistances[0] *= currentRate*multMinus; outputDistances[1] *= currentRate*multMinus; MArrayDataHandle hArrOutputDistance = data.outputArrayValue( aOutputDistance ); MArrayDataBuilder bArrOutputDistance( aOutputDistance, arrayCount, &stat ); for( int i=0; i<arrayCount; i++ ) { MDataHandle hOutputDistance = bArrOutputDistance.addElement( i ); hOutputDistance.set( outputDistances[i] ); } hArrOutputDistance.set( bArrOutputDistance ); hArrOutputDistance.setAllClean(); data.setClean( plug ); } return MS::kSuccess; }
MStatus multiCurve::compute( const MPlug& plug, MDataBlock& data ) { MStatus stat; if ( plug == outputCurves ) { MDataHandle numCurvesHandle = data.inputValue(numCurves, &stat); PERRORfail(stat, "multiCurve::compute getting numCurves"); int num = numCurvesHandle.asLong(); MDataHandle curveOffsetHandle = data.inputValue(curveOffset, &stat); PERRORfail(stat, "multiCurve::compute getting curveOffset"); double baseOffset = curveOffsetHandle.asDouble(); MDataHandle inputCurveHandle = data.inputValue(inputCurve, &stat); PERRORfail(stat, "multiCurve::compute getting inputCurve"); MObject inputCurveObject ( inputCurveHandle.asNurbsCurveTransformed() ); MFnNurbsCurve inCurveFS ( inputCurveObject ); MArrayDataHandle outputArray = data.outputArrayValue(outputCurves, &stat); PERRORfail(stat, "multiCurve::compute getting output data handle"); // Create an array data build that is preallocated to hold just // the number of curves we plan on creating. When this builder // is set in to the MArrayDataHandle at the end of the compute // method, the new array will replace the existing array in the // scene. // // If the number of elements of the multi does not change between // compute cycles, then one can reuse the space allocated on a // previous cycle by extracting the existing builder from the // MArrayDataHandle: // MArrayDataBuilder builder( outputArray.builder(&stat) ); // this later form of the builder will allow you to rewrite elements // of the array, and to grow it, but the array can only be shrunk by // explicitly removing elements with the method // MArrayDataBuilder::removeElement(unsigned index); // MArrayDataBuilder builder(outputCurves, num, &stat); PERRORfail(stat, "multiCurve::compute creating builder"); for (int curveNum = 0; curveNum < num; curveNum++) { MDataHandle outHandle = builder.addElement(curveNum); MFnNurbsCurveData dataCreator; MObject outCurveData = dataCreator.create(); MObject outputCurve = inCurveFS.copy(inputCurveObject, outCurveData, &stat); PERRORfail(stat, "multiCurve::compute copying curve"); MFnNurbsCurve outCurveFS ( outputCurve ); MPointArray cvs; double offset = baseOffset * (curveNum+1); outCurveFS.getCVs ( cvs, MSpace::kWorld ); int numCVs = cvs.length(); for (int i = 0; i < numCVs; i++) { cvs[i].x += offset; } outCurveFS.setCVs ( cvs ); outHandle.set(outCurveData); } // Set the builder back into the output array. This statement // is always required, no matter what constructor was used to // create the builder. stat = outputArray.set(builder); PERRORfail(stat, "multiCurve::compute setting the builder"); // Since we compute all the elements of the array, instead of // just marking the plug we were asked to compute as clean, mark // every element of the array as clean to prevent further calls // to this compute method during this DG evaluation cycle. stat = outputArray.setAllClean(); PERRORfail(stat, "multiCurve::compute cleaning outputCurves"); } else { return MS::kUnknownParameter; } return stat; }