C++ MFnMessageAttribute类代码示例

void lrutils::createFKCtlFromLocation(MVectorArray location, MObject joint, MString prefix, unsigned int num, MString icon, MString color, MObject parent, MObject& fkCtlObj, MObject& fkCtlGroupObj, MString layerName, MObject metaDataNode) {
    MStatus status;
    MDGModifier dgMod;
    //used for holding results from executed commands
    MStringArray result;
    MFnDependencyNode depMetaDataNodeFn(metaDataNode);
    //used for creating metaParent attributes for objects
    MFnMessageAttribute mAttr;
    MFnTransform jointFn(joint);
    
    //create the control object and set its color
    status = MGlobal::executeCommand( "python(\"control = rig101().rig101WCGetByName('" + icon + "')\");" );
    status = MGlobal::executeCommand( "python(\"Utils.setControllerColor(control, '" + color + "')\");" );
    status = MGlobal::executeCommand( MString("python(\"control.fullPath()\");"), result );
    //get the MObject for the controller
    status = lrutils::getObjFromName(result[0], fkCtlObj);
    MyCheckStatus(status, "lrutils::getObjFromName() failed");
    MFnTransform fkCtlFn( fkCtlObj );
    lrutils::setLocation(fkCtlObj, location, MFnTransform::MFnTransform(), false, false, true);
    //set controller name
    MString fkCtlName = prefix + "_FK_"+num+"_CTL";
    dgMod.renameNode(fkCtlObj, fkCtlName);
    //add the metaParent attribute to the controller
    MObject controlAttr = mAttr.create("metaParent", "metaParent");
    fkCtlFn.addAttribute(controlAttr);
    //connect the controller's metaParent to the MDSpine node
    status = dgMod.connect( depMetaDataNodeFn.findPlug("FKControllers"), fkCtlFn.findPlug("metaParent") );
    dgMod.doIt();
    
    //create the fk control null
    lrutils::makeHomeNull(fkCtlObj, MFnTransform(), fkCtlGroupObj);
    lrutils::setLocation(fkCtlGroupObj, location, MFnTransform::MFnTransform(), true, true, false);
    MFnTransform fkCtlGroupFn( fkCtlGroupObj );
    if(!parent.isNull()) {
        MFnTransform parentFn(parent);
        MGlobal::executeCommand("parent " + fkCtlGroupFn.fullPathName() + " " + parentFn.fullPathName() + ";");
    }
    //add the metaParent attribute to the controller group
    fkCtlGroupFn.addAttribute(mAttr.create("metaParent", "metaParent"));
    //connect the controller group's metaParent to the MDGlobal node
    status = dgMod.connect( depMetaDataNodeFn.findPlug("FKControllerGroups"), fkCtlGroupFn.findPlug("metaParent") );
    MyCheckStatus(status, "connect failed"); 
    dgMod.doIt();

    MGlobal::executeCommand("parentConstraint -mo " + fkCtlFn.fullPathName() + " " + jointFn.fullPathName() + ";",result);
    MObject jointParentConstraintObj;
    status = lrutils::getObjFromName(result[0], jointParentConstraintObj);
    MyCheckStatus(status, "lrutils::getObjFromName() failed");
    MFnTransform jointParentConstraintFn(jointParentConstraintObj);
    jointParentConstraintFn.addAttribute(mAttr.create("metaParent", "metaParent"));
    status = dgMod.connect( depMetaDataNodeFn.findPlug("FKJointParentConstraints"), jointParentConstraintFn.findPlug("metaParent"));
    dgMod.doIt();

    //set the display layers for the controller and controller group
    MGlobal::executeCommand("editDisplayLayerMembers -noRecurse "+ layerName+" "+ fkCtlFn.fullPathName()+";");
    MGlobal::executeCommand("editDisplayLayerMembers -noRecurse "+ layerName+" "+ fkCtlGroupFn.fullPathName()+";");
    MGlobal::executeCommand("select -cl;");
}

MStatus inverseSkinCluster::initialize()
{
	MStatus   status;

	MFnNumericAttribute nAttr;
	MFnMatrixAttribute mAttr;
	MFnMessageAttribute msgAttr;
	MFnTypedAttribute tAttr;

	aInMesh = tAttr.create( "inMesh", "inMesh", MFnData::kMesh );
	tAttr.setStorable( true );
	CHECK_MSTATUS_AND_RETURN_IT( addAttribute( aInMesh ) );

	aGeomMatrix = mAttr.create( "geomMatrix", "geomMatrix" );
	tAttr.setCached( false );
	CHECK_MSTATUS_AND_RETURN_IT( addAttribute( aGeomMatrix ) );

	aMatrix = mAttr.create( "matrix", "matrix" );
	mAttr.setArray( true );
	mAttr.setStorable( true );
	mAttr.setUsesArrayDataBuilder( true );
	CHECK_MSTATUS_AND_RETURN_IT( addAttribute( aMatrix ) );

	aBindPreMatrix = mAttr.create( "bindPreMatrix", "bindPreMatrix" );
	mAttr.setArray( true );
	mAttr.setStorable( true );
	mAttr.setUsesArrayDataBuilder( true );
	CHECK_MSTATUS_AND_RETURN_IT( addAttribute( aBindPreMatrix ) );

	aUpdateMatrix = nAttr.create( "updateMatrix", "updateMatrix", MFnNumericData::kBoolean, false );
	nAttr.setStorable( false );
	CHECK_MSTATUS_AND_RETURN_IT( addAttribute( aUpdateMatrix ) );

	aTargetSkinCluster = msgAttr.create( "targetSkinCluster", "targetSkinCluster" );
	CHECK_MSTATUS_AND_RETURN_IT( addAttribute( aTargetSkinCluster ) );

	aUpdateWeightList = nAttr.create( "updateWeightList", "updateWeightList", MFnNumericData::kBoolean, false );
	nAttr.setStorable( false );
	CHECK_MSTATUS_AND_RETURN_IT( addAttribute( aUpdateWeightList ) );

	CHECK_MSTATUS_AND_RETURN_IT( attributeAffects( aInMesh, outputGeom ) );
	CHECK_MSTATUS_AND_RETURN_IT( attributeAffects( aGeomMatrix, outputGeom ) );
	CHECK_MSTATUS_AND_RETURN_IT( attributeAffects( aMatrix, outputGeom ) );
	CHECK_MSTATUS_AND_RETURN_IT( attributeAffects( aBindPreMatrix, outputGeom ) );
	CHECK_MSTATUS_AND_RETURN_IT( attributeAffects( aUpdateMatrix, outputGeom ) );
	CHECK_MSTATUS_AND_RETURN_IT( attributeAffects( aUpdateWeightList, outputGeom ) );
	CHECK_MSTATUS_AND_RETURN_IT( attributeAffects( aTargetSkinCluster, outputGeom ) );
	CHECK_MSTATUS_AND_RETURN_IT( attributeAffects( aMatrix, outputGeom ) );

	return MS::kSuccess;
}

std::vector<MObject> lrutils::buildSkeletonFromGuide(std::vector<MVectorArray> locations, MString prefix, MPlug metaDataPlug, MObject metaParentJoint, MString layerName) {
    MDGModifier dgMod;
    MStatus status;
    std::vector<MObject> joints;
    MFnMessageAttribute mAttr;

    MObject parentJoint;
    unsigned int jointNum = 0;

    for (std::vector<MVectorArray>::iterator it = locations.begin(); it != locations.end(); ++it) {
        MVectorArray location = *it;
        MObject joint = createJointFromLocation(location, prefix, jointNum, parentJoint);
        joints.push_back(joint);

        MFnTransform jointFn( joint );
        //add metaParent attributes to joint
        if(!metaDataPlug.isNull()) {
            MObject jointAttr = mAttr.create("metaParent", "metaParent");
            jointFn.addAttribute(jointAttr);
            //connect the metaparent attribute to the MDSpine node
            status = dgMod.connect( metaDataPlug, jointFn.findPlug("metaParent") );
            MyCheckStatus(status, "connect failed");
            dgMod.doIt();
        }

        //if layer name is provided, add the joint to that display layer
        if(layerName != "") {
            MGlobal::executeCommand("editDisplayLayerMembers -noRecurse "+ layerName+" "+ jointFn.name()+";");
        }

        parentJoint = joint;
        jointNum++;
    }
    //orient the joint chain
    MFnTransform topJointFn(joints.at(0));
    MGlobal::executeCommand("joint -e -zso -oj \"xyz\" -sao \"yup\" -ch " + topJointFn.fullPathName() + ";");

    //if meta parent joint is not null, parent first joint to it
    if(!metaParentJoint.isNull()) {
        MFnTransform firstJointFn(joints.at(0));

        MFnTransform metaParentJointFn(metaParentJoint);
        MGlobal::executeCommand("parent " + firstJointFn.fullPathName() + " " + metaParentJointFn.fullPathName() + ";");
        //orient the parent joint
        MGlobal::executeCommand("joint -e -zso -oj \"xyz\" -sao \"yup\" -ch " + metaParentJointFn.fullPathName() + ";");
    }

    return joints;
}

MStatus	MayaRenderGlobalsNode::initialize()
{
	
	MFnNumericAttribute nAttr;
	MFnTypedAttribute tAttr;
	MFnGenericAttribute gAttr;
	MFnEnumAttribute eAttr;
	MFnMessageAttribute mAttr;
	MStatus stat = MStatus::kSuccess;

	filtertype = eAttr.create("filtertype", "filtertype", 0, &stat);
	CHECK_MSTATUS(addAttribute( filtertype ));

	imageFormat = eAttr.create("imageFormat", "imageFormat", 0, &stat);
	CHECK_MSTATUS(addAttribute( imageFormat ));

	sceneScale = nAttr.create("sceneScale", "sceneScale",  MFnNumericData::kFloat, 1.0f);
	CHECK_MSTATUS(addAttribute( sceneScale ));

	useSunLightConnection = nAttr.create("useSunLightConnection", "useSunLightConnection",  MFnNumericData::kBoolean, false);
	CHECK_MSTATUS(addAttribute( useSunLightConnection ));

	exportSceneFile = nAttr.create("exportSceneFile", "exportSceneFile",  MFnNumericData::kBoolean, false);
	CHECK_MSTATUS(addAttribute( exportSceneFile ));

	exportSceneFileName = tAttr.create("exportSceneFileName", "exportSceneFileName",  MFnNumericData::kString);
	tAttr.setUsedAsFilename(true);
	CHECK_MSTATUS(addAttribute( exportSceneFileName ));

	// sampling adaptive
	minSamples = nAttr.create("minSamples", "minSamples", MFnNumericData::kInt, 1);
	CHECK_MSTATUS(addAttribute( minSamples ));
	maxSamples = nAttr.create("maxSamples", "maxSamples", MFnNumericData::kInt, 16);
	CHECK_MSTATUS(addAttribute( maxSamples ));
	
	// sampling raster based
	samplesX = nAttr.create("samplesX", "samplesX", MFnNumericData::kInt, 3);
	CHECK_MSTATUS(addAttribute( samplesX ));
	samplesY = nAttr.create("samplesY", "samplesY", MFnNumericData::kInt, 3);
	CHECK_MSTATUS(addAttribute( samplesY ));

	doMotionBlur = nAttr.create("doMotionBlur", "doMotionBlur", MFnNumericData::kBoolean, false);
	CHECK_MSTATUS(addAttribute( doMotionBlur ));
	motionBlurRange = nAttr.create("motionBlurRange", "motionBlurRange", MFnNumericData::kFloat, 0.4);
	CHECK_MSTATUS(addAttribute( motionBlurRange ));
	
	motionBlurType = eAttr.create("motionBlurType", "motionBlurType", 0, &stat);
	stat = eAttr.addField( "Center", 0 );
	stat = eAttr.addField( "FrameStart", 1 );
	stat = eAttr.addField( "FrameEnd", 2 );
	CHECK_MSTATUS(addAttribute( motionBlurType ));
	
	doDof = nAttr.create("doDof", "doDof", MFnNumericData::kBoolean, false);
	CHECK_MSTATUS(addAttribute( doDof ));

	xftimesamples = nAttr.create("xftimesamples", "xftimesamples", MFnNumericData::kInt, 2);
	CHECK_MSTATUS(addAttribute(xftimesamples));
	geotimesamples = nAttr.create("geotimesamples", "geotimesamples", MFnNumericData::kInt, 2);
	CHECK_MSTATUS(addAttribute(geotimesamples));


	MString numCpu = getenv("NUMBER_OF_PROCESSORS");
	int numberOfProcessors = numCpu.asInt();
	threads = nAttr.create("threads", "threads", MFnNumericData::kInt, numberOfProcessors);
	nAttr.setMin(1);
	CHECK_MSTATUS(addAttribute( threads ));

	translatorVerbosity = eAttr.create("translatorVerbosity", "translatorVerbosity", 2, &stat);
	stat = eAttr.addField( "Info", 0 );
	stat = eAttr.addField( "Error", 1 );
	stat = eAttr.addField( "Warning", 2 );
	stat = eAttr.addField( "Progress", 3 );
	stat = eAttr.addField( "Debug", 4 );
	stat = eAttr.addField( "None", 5 );
	CHECK_MSTATUS(addAttribute( translatorVerbosity ));

	rendererVerbosity = nAttr.create("rendererVerbosity", "rendererVerbosity", MFnNumericData::kInt, 2);
	CHECK_MSTATUS(addAttribute( rendererVerbosity ));

	detectShapeDeform = nAttr.create("detectShapeDeform", "detectShapeDeform", MFnNumericData::kBoolean, true);
	CHECK_MSTATUS(addAttribute( detectShapeDeform ));

	filtersize = nAttr.create("filtersize", "filtersize", MFnNumericData::kInt, 3);
	CHECK_MSTATUS(addAttribute( filtersize ));

	tilesize = nAttr.create("tilesize", "tilesize", MFnNumericData::kInt, 64);
	CHECK_MSTATUS(addAttribute( tilesize ));

	basePath = tAttr.create("basePath", "basePath", MFnNumericData::kString);
	CHECK_MSTATUS(addAttribute( basePath ));

	imagePath = tAttr.create("imagePath", "imagePath", MFnNumericData::kString);
	CHECK_MSTATUS(addAttribute( imagePath ));

	imageName = tAttr.create("imageName", "imageName", MFnNumericData::kString);
	CHECK_MSTATUS(addAttribute( imageName ));

	gamma = nAttr.create("gamma", "gamma", MFnNumericData::kFloat, 1.0f);
	CHECK_MSTATUS(addAttribute( gamma ));

//.........这里部分代码省略.........

MStatus mtmEnvLight::initialize()
{
    MFnTypedAttribute tAttr; 
    MFnNumericAttribute nAttr; 
    MFnLightDataAttribute lAttr;
	MFnEnumAttribute eAttr;
	MFnMessageAttribute mAttr;
	MStatus stat;

    //aColor = nAttr.createColor( "color", "c" );
    //CHECK_MSTATUS ( nAttr.setKeyable(true) );
    //CHECK_MSTATUS ( nAttr.setStorable(true) );
    //CHECK_MSTATUS ( nAttr.setDefault(0.0f, 0.58824f, 0.644f) );

    aLightColor = nAttr.createColor( "lightColor", "lightColor" );
    CHECK_MSTATUS ( nAttr.setKeyable(true) );
    CHECK_MSTATUS ( nAttr.setStorable(true) );
    nAttr.setDefault(0.7f, 0.58824f, 0.344f);

	aShadowColor = nAttr.createColor( "shadowColor", "sc" );
    CHECK_MSTATUS ( nAttr.setKeyable(true) );
    CHECK_MSTATUS ( nAttr.setStorable(true) );
    CHECK_MSTATUS ( nAttr.setDefault(0.0f, 0.0f, 0.0f) );

    aPosition = nAttr.createPoint( "position", "pos" );
    CHECK_MSTATUS ( nAttr.setKeyable(true) );
    CHECK_MSTATUS ( nAttr.setStorable(true) );

    aInputDirection = nAttr.createPoint( "inputDirection", "id" );
    CHECK_MSTATUS ( nAttr.setKeyable(true) );
    CHECK_MSTATUS ( nAttr.setStorable(true) );
    CHECK_MSTATUS ( nAttr.setDefault(-1.0f, 0.0f, 0.0f) );

    aInputAmbient = nAttr.create( "ambientOn", "an", MFnNumericData::kBoolean);
    CHECK_MSTATUS ( nAttr.setKeyable(true) );
    CHECK_MSTATUS ( nAttr.setStorable(true) );
    CHECK_MSTATUS ( nAttr.setHidden(false) );
    CHECK_MSTATUS ( nAttr.setDefault(true) );

    aInputDiffuse = nAttr.create( "emitDiffuse", "dn", MFnNumericData::kBoolean);
    CHECK_MSTATUS ( nAttr.setKeyable(true) );
    CHECK_MSTATUS ( nAttr.setStorable(true) );
    CHECK_MSTATUS ( nAttr.setHidden(false) );
    CHECK_MSTATUS ( nAttr.setDefault(true) );

    aInputSpecular = nAttr.create( "emitSpecular", "sn", MFnNumericData::kBoolean);
    CHECK_MSTATUS ( nAttr.setKeyable(true) );
    CHECK_MSTATUS ( nAttr.setStorable(true) );
    CHECK_MSTATUS ( nAttr.setHidden(false) );
    CHECK_MSTATUS ( nAttr.setDefault(true) );

    aIntensity = nAttr.create( "intensity", "i", MFnNumericData::kFloat);
    CHECK_MSTATUS ( nAttr.setKeyable(true) );
    CHECK_MSTATUS ( nAttr.setStorable(true) );
    CHECK_MSTATUS ( nAttr.setHidden(false) );
    CHECK_MSTATUS ( nAttr.setDefault(1.0f) );

	samplingquality = nAttr.create( "samplingquality", "samplingquality", MFnNumericData::kFloat, 1.0);
	envmap = tAttr.create( "envmap", "envmap", MFnNumericData::kString);
	tAttr.setUsedAsFilename(true);
	areamap = tAttr.create( "areamap", "areamap", MFnNumericData::kString);
	tAttr.setUsedAsFilename(true);
	areafullsphere = nAttr.create( "areafullsphere", "areafullsphere", MFnNumericData::kBoolean, true);
	envintensity = nAttr.createColor( "envintensity", "envintensity" );
	nAttr.setDefault(1.0f, 1.0f, 1.0f);
	raybackground = nAttr.create( "raybackground", "raybackground", MFnNumericData::kBoolean, false);
	castshadow = nAttr.create( "castshadow", "castshadow", MFnNumericData::kBoolean, true);
	envtype = eAttr.create( "envtype", "envtype", 0, &stat);
	stat = eAttr.addField( "Direct Lighting", 0 );
	stat = eAttr.addField( "Ambient Occlusion", 1 );
	stat = eAttr.addField( "Full Irradiance", 2 );
	stat = eAttr.addField( "Raytrace Background", 3 );
	eAttr.setDefault(0);		
	doraysamples = nAttr.create( "doraysamples", "doraysamples", MFnNumericData::kBoolean, false);
	doadaptive = nAttr.create( "doadaptive", "doadaptive", MFnNumericData::kBoolean, false);
	domaxdist = nAttr.create( "domaxdist", "domaxdist", MFnNumericData::kBoolean, false);
	maxdist = nAttr.create( "maxdist", "maxdist", MFnNumericData::kFloat, 10.0);
	coneangle = nAttr.create( "coneangle", "coneangle", MFnNumericData::kFloat, 45.0);
	envtint = nAttr.createColor( "envtint", "envtint" );
	nAttr.setDefault(1.0f, 1.0f, 1.0f);
	shadowI = nAttr.create( "shadowI", "shadowI", MFnNumericData::kFloat, 1.0);
	samples = nAttr.create( "samples", "samples", MFnNumericData::kInt, 32);
	MFnStringData fnStringData;
	MObject defaultObjectMask;
	defaultObjectMask = fnStringData.create( "*" );
	objectmask = tAttr.create( "objectmask", "objectmask", MFnNumericData::kString, defaultObjectMask);
	usePortalGeometry = nAttr.create( "usePortalGeometry", "usePortalGeometry", MFnNumericData::kBoolean, false);
	portalGeometry = mAttr.create( "portalGeometry", "portalGeometry");
	mAttr.setConnectable(true);
	mAttr.accepts(MFnData::kAny);
	
// Outputs

    aLightDirection = nAttr.createPoint( "lightDirection", "ld" );
    CHECK_MSTATUS ( nAttr.setStorable(false) );
    CHECK_MSTATUS ( nAttr.setHidden(true) );
    CHECK_MSTATUS ( nAttr.setReadable(true) );
    CHECK_MSTATUS ( nAttr.setWritable(false) );
    CHECK_MSTATUS ( nAttr.setDefault(-1.0f, 0.0f, 0.0f) );

//.........这里部分代码省略.........

MStatus hingeConstraintNode::initialize()
{
    MStatus status;
    MFnMessageAttribute fnMsgAttr;
    MFnNumericAttribute fnNumericAttr;
    MFnMatrixAttribute fnMatrixAttr;

    ia_rigidBody = fnMsgAttr.create("inRigidBody", "inrb", &status);
    MCHECKSTATUS(status, "creating inRigidBody attribute")
    status = addAttribute(ia_rigidBody);
    MCHECKSTATUS(status, "adding inRigidBody attribute")

    ia_damping = fnNumericAttr.create("damping", "dmp", MFnNumericData::kDouble, 1.0, &status);
    MCHECKSTATUS(status, "creating damping attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_damping);
    MCHECKSTATUS(status, "adding damping attribute")

    ia_lowerLimit = fnNumericAttr.create("lowerLimit", "llmt", MFnNumericData::kDouble, -1.57, &status);
    MCHECKSTATUS(status, "creating lower limit attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_lowerLimit);
    MCHECKSTATUS(status, "adding lower limit attribute")

	ia_upperLimit = fnNumericAttr.create("upperLimit", "ulmt", MFnNumericData::kDouble, 1.57, &status);
    MCHECKSTATUS(status, "creating upper limit attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_upperLimit);
    MCHECKSTATUS(status, "adding upper limit attribute")

	ia_limitSoftness = fnNumericAttr.create("limitSoftness", "lmSo", MFnNumericData::kDouble, 0.9, &status);
    MCHECKSTATUS(status, "creating limitSoftness attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_limitSoftness);
    MCHECKSTATUS(status, "adding limitSoftness attribute")

	ia_biasFactor = fnNumericAttr.create("biasFactor", "biFa", MFnNumericData::kDouble, 0.3, &status);
    MCHECKSTATUS(status, "creating biasFactor attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_biasFactor);
    MCHECKSTATUS(status, "adding biasFactor attribute")

	ia_relaxationFactor = fnNumericAttr.create("relaxationFactor", "reFa", MFnNumericData::kDouble, 1.0, &status);
    MCHECKSTATUS(status, "creating relaxationFactor attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_relaxationFactor);
    MCHECKSTATUS(status, "adding relaxationFactor attribute")

	ia_hingeAxis = fnNumericAttr.createPoint("hingeAxis", "hgAx", &status);
	status = fnNumericAttr.setDefault((double) 0.0, (double) 0.0, (double) 1.0);
    MCHECKSTATUS(status, "creating hingeAxis attribute")
    status = addAttribute(ia_hingeAxis);
    MCHECKSTATUS(status, "adding hingeAxis attribute")

	//------------------------------------------------------------------------------
	
	ia_enableAngularMotor = fnNumericAttr.create("enableAngularMotor", "enAM", MFnNumericData::kBoolean, false, &status);
    MCHECKSTATUS(status, "creating enableAngularMotor attribute")
    status = addAttribute(ia_enableAngularMotor);
    MCHECKSTATUS(status, "adding enableAngularMotor attribute")

    ia_motorTargetVelocity = fnNumericAttr.create("motorTargetVelocity", "mTV", MFnNumericData::kDouble, 1, &status);
    MCHECKSTATUS(status, "creating motorTargetVelocity attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_motorTargetVelocity);
    MCHECKSTATUS(status, "adding motorTargetVelocity attribute")

	ia_maxMotorImpulse = fnNumericAttr.create("maxMotorImpulse", "mMI", MFnNumericData::kDouble, 1, &status);
    MCHECKSTATUS(status, "creating maxMotorImpulse attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_maxMotorImpulse);
    MCHECKSTATUS(status, "adding maxMotorImpulse attribute")

	//------------------------------------------------------------------------------

	ca_constraint = fnNumericAttr.create("ca_constraint", "caco", MFnNumericData::kBoolean, 0, &status);
    MCHECKSTATUS(status, "creating ca_constraint attribute")
    fnNumericAttr.setConnectable(false);
    fnNumericAttr.setHidden(true);
    fnNumericAttr.setStorable(false);
    fnNumericAttr.setKeyable(false);
    status = addAttribute(ca_constraint);
    MCHECKSTATUS(status, "adding ca_constraint attribute")

    ca_constraintParam = fnNumericAttr.create("ca_constraintParam", "cacop", MFnNumericData::kBoolean, 0, &status);
    MCHECKSTATUS(status, "creating ca_constraintParam attribute")
    fnNumericAttr.setConnectable(false);
    fnNumericAttr.setHidden(true);
    fnNumericAttr.setStorable(false);
    fnNumericAttr.setKeyable(false);
    status = addAttribute(ca_constraintParam);
    MCHECKSTATUS(status, "adding ca_constraintParam attribute")


    status = attributeAffects(ia_rigidBody, ca_constraint);
    MCHECKSTATUS(status, "adding attributeAffects(ia_rigidBody, ca_constraint)")

    status = attributeAffects(ia_rigidBody, ca_constraintParam);
    MCHECKSTATUS(status, "adding attributeAffects(ia_rigidBody, ca_constraintParam)")

//.........这里部分代码省略.........

MStatus Layered::initialize()
{
	MFnNumericAttribute nAttr;
	MFnLightDataAttribute lAttr;
	MFnTypedAttribute tAttr;
	MFnGenericAttribute gAttr;
	MFnEnumAttribute eAttr;
	MFnMessageAttribute mAttr;

    MStatus status; // Status will be used to hold the MStatus value
                    // returned by each api function call. It is important
                    // to check the status returned by a call to aid in
                    // debugging. Failed API calls can result in subtle
                    // errors that can be difficult to track down, you may
                    // wish to use the CHECK_MSTATUS macro for any API
                    // call where you do not need to provide your own
                    // error handling.
                    //

	baseShader = nAttr.createColor("baseShader", "baseShader");
	CHECK_MSTATUS(addAttribute(baseShader));

	layerWeight = nAttr.create("layerWeight", "layerWeight", MFnNumericData::kFloat, 0, &status);
	nAttr.setArray(true);
	CHECK_MSTATUS(addAttribute(layerWeight));

	layerTexture = mAttr.create("layerTexture", "layerTexture");
	mAttr.setArray(true);
	CHECK_MSTATUS(addAttribute(layerTexture));

	layerShader = nAttr.createColor("layerShader", "layerShader");
	nAttr.setArray(true);
	CHECK_MSTATUS(addAttribute(layerShader));

	outColor = nAttr.createColor("outColor", "outColor");
	CHECK_MSTATUS(addAttribute(outColor));

//---------------------------- automatically created attributes start ------------------------------------
//---------------------------- automatically created attributes end ------------------------------------


	aTranslucenceCoeff = nAttr.create("translucenceCoeff", "tc",
		MFnNumericData::kFloat, 0, &status);
	CHECK_MSTATUS(status);
	CHECK_MSTATUS(nAttr.setKeyable(true));
	CHECK_MSTATUS(nAttr.setStorable(true));
	CHECK_MSTATUS(nAttr.setDefault(0.0f));

	aDiffuseReflectivity = nAttr.create("diffuseReflectivity", "drfl",
		MFnNumericData::kFloat, 0, &status);
	CHECK_MSTATUS(status);
	CHECK_MSTATUS(nAttr.setKeyable(true));
	CHECK_MSTATUS(nAttr.setStorable(true));
	CHECK_MSTATUS(nAttr.setDefault(0.8f));

	aColor = nAttr.createColor("color", "c", &status);
	CHECK_MSTATUS(status);
	CHECK_MSTATUS(nAttr.setKeyable(true));
	CHECK_MSTATUS(nAttr.setStorable(true));
	CHECK_MSTATUS(nAttr.setDefault(0.0f, 0.58824f, 0.644f));

	aIncandescence = nAttr.createColor("incandescence", "ic", &status);
	CHECK_MSTATUS(status);
	CHECK_MSTATUS(nAttr.setKeyable(true));
	CHECK_MSTATUS(nAttr.setStorable(true));
	CHECK_MSTATUS(nAttr.setDefault(0.0f, 0.0f, 0.0f));

	aInTransparency = nAttr.createColor("transparency", "it", &status);
	CHECK_MSTATUS(status);
	CHECK_MSTATUS(nAttr.setKeyable(true));
	CHECK_MSTATUS(nAttr.setStorable(true));
	CHECK_MSTATUS(nAttr.setDefault(0.0f, 0.0f, 0.0f));

	CHECK_MSTATUS(nAttr.setHidden(false));
	CHECK_MSTATUS(nAttr.setReadable(true));
	CHECK_MSTATUS(nAttr.setWritable(false));

	aOutTransparency = nAttr.createColor("outTransparency", "ot", &status);
	CHECK_MSTATUS(status);

	CHECK_MSTATUS(nAttr.setHidden(false));
	CHECK_MSTATUS(nAttr.setReadable(true));
	CHECK_MSTATUS(nAttr.setWritable(false));

	// Camera Normals
	//
	aNormalCameraX = nAttr.create("normalCameraX", "nx",
		MFnNumericData::kFloat, 0, &status);
	CHECK_MSTATUS(status);
	CHECK_MSTATUS(nAttr.setStorable(false));
	CHECK_MSTATUS(nAttr.setDefault(1.0f));

	aNormalCameraY = nAttr.create("normalCameraY", "ny",
		MFnNumericData::kFloat, 0, &status);
	CHECK_MSTATUS(status);
	CHECK_MSTATUS(nAttr.setStorable(false));
	CHECK_MSTATUS(nAttr.setDefault(1.0f));

	aNormalCameraZ = nAttr.create("normalCameraZ", "nz",
		MFnNumericData::kFloat, 0, &status);
//.........这里部分代码省略.........

MStatus liqDisplacementNode::initialize()
{
  MFnTypedAttribute   tAttr;
  MFnStringData       tDefault;
  MFnNumericAttribute nAttr;
  MFnMessageAttribute mAttr;
  MFnEnumAttribute    eAttr;
  MStatus status;

  // Create input attributes

  aRmanShader = tAttr.create( MString("rmanShader"), MString("rms"), MFnData::kString, aRmanShader, &status );
  MAKE_INPUT(tAttr);

  aRmanShaderLong = tAttr.create( MString("rmanShaderLong"), MString("rml"), MFnData::kString, aRmanShaderLong, &status );
  MAKE_INPUT(tAttr);

  aRmanShaderLif = tAttr.create(  MString("rmanShaderLif"),  MString("lif"), MFnData::kString, aRmanShaderLif, &status );
  MAKE_INPUT(tAttr);

  aRmanParams = tAttr.create(  MString("rmanParams"),  MString("rpr"), MFnData::kStringArray, aRmanParams, &status );
  MAKE_INPUT(tAttr);

  aRmanDetails = tAttr.create(  MString("rmanDetails"),  MString("rdt"), MFnData::kStringArray, aRmanDetails, &status );
  MAKE_INPUT(tAttr);

  aRmanTypes = tAttr.create(  MString("rmanTypes"),  MString("rty"), MFnData::kStringArray, aRmanTypes, &status );
  MAKE_INPUT(tAttr);

  aRmanDefaults = tAttr.create(  MString("rmanDefaults"),  MString("rdf"), MFnData::kStringArray, aRmanDefaults, &status );
  MAKE_INPUT(tAttr);

  aRmanArraySizes = tAttr.create(  MString("rmanArraySizes"),  MString("ras"), MFnData::kIntArray, aRmanArraySizes, &status );
  MAKE_INPUT(tAttr);

  aRmanLifCmds = tAttr.create(  MString("rmanLifCmds"),  MString("rlc"), MFnData::kStringArray, aRmanLifCmds, &status );
  MAKE_INPUT(tAttr);

  aPreviewPrimitive = eAttr.create( "previewPrimitive", "pvp", 7, &status );
  eAttr.addField( "Sphere",   0 );
  eAttr.addField( "Cube",     1 );
  eAttr.addField( "Cylinder", 2 );
  eAttr.addField( "Torus",    3 );
  eAttr.addField( "Plane",    4 );
  eAttr.addField( "Teapot",   5 );
  eAttr.addField( "Custom",   6 );
  eAttr.addField( "(globals)",7 );
  MAKE_NONKEYABLE_INPUT(eAttr);
  CHECK_MSTATUS(eAttr.setConnectable(false));

  aPreviewCustomPrimitive = tAttr.create(  MString("previewCustomPrimitive"),  MString("pcp"), MFnData::kString, aPreviewCustomPrimitive, &status );
  MAKE_INPUT(tAttr);

  aPreviewCustomBackplane = tAttr.create(  MString("previewCustomBackplane"),  MString("pcb"), MFnData::kString, aPreviewCustomBackplane, &status );
  MAKE_INPUT(tAttr);

  aPreviewObjectSize = nAttr.create("previewObjectSize", "pos", MFnNumericData::kDouble, 1.0, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setConnectable(false));

  aPreviewPixelSamples = nAttr.create("previewPixelSamples", "pxs",  MFnNumericData::kInt, 3, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setConnectable(false));


  aPreviewShadingRate = nAttr.create("previewShadingRate", "psr", MFnNumericData::kDouble, 1.0, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setConnectable(false));

  aPreviewBackplane = nAttr.create("previewBackplane", "pbp", MFnNumericData::kBoolean, true, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setConnectable(false));

  aShaderSpace = tAttr.create( MString("shaderSpace"), MString("ssp"), MFnData::kString, aShaderSpace, &status );
  MAKE_INPUT(tAttr);

  aDisplacementBound = nAttr.create("displacementBound", "db", MFnNumericData::kDouble, 0.0, &status);
  MAKE_INPUT(nAttr);

  MObject defaultSpaceObj = tDefault.create( MString("shader"), &status);
  aDisplacementBoundSpace = tAttr.create( MString("displacementBoundSpace"), MString("dbs"), MFnData::kString, defaultSpaceObj, &status );
  MAKE_INPUT(tAttr);

  aOutputInShadow = nAttr.create("outputInShadow", "ois",  MFnNumericData::kBoolean, 0.0, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);

  // refreshPreview must be true to allow refresh
  aRefreshPreview = nAttr.create("refreshPreview", "rfp",  MFnNumericData::kBoolean, 0.0, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setHidden(true));

  // Create output attributes
  aDisplacement = nAttr.create("displacement", "d", MFnNumericData::kFloat, 0.0, &status);
  MAKE_OUTPUT(nAttr);
  aOutColor = nAttr.createColor("outColor", "oc");
  MAKE_OUTPUT(nAttr);
  aAssignedObjects = mAttr.create("liqAssignedObjects", "ao");
  MAKE_OUTPUT(mAttr);

  CHECK_MSTATUS(addAttribute(aRmanShader));
//.........这里部分代码省略.........

MStatus	MayaToAppleseedGlobals::initialize()
{
	MayaRenderGlobalsNode::initialize();

	MFnNumericAttribute nAttr;
	MFnTypedAttribute tAttr;
	MFnGenericAttribute gAttr;
	MFnEnumAttribute eAttr;
	MFnMessageAttribute mAttr;
	MStatus stat = MStatus::kSuccess;

	sampling_mode = eAttr.create("sampling_mode", "sampling_mode", 0, &stat);
	stat = eAttr.addField("qmc", 0);
	stat = eAttr.addField("rng", 1);
	CHECK_MSTATUS(addAttribute(sampling_mode));

	tile_ordering = eAttr.create("tile_ordering", "tile_ordering", 2, &stat);
	stat = eAttr.addField("linear", 0);
	stat = eAttr.addField("spiral", 1);
	stat = eAttr.addField("hilbert", 2);
	stat = eAttr.addField("random", 3);
	CHECK_MSTATUS(addAttribute(tile_ordering));

	bitdepth = eAttr.create( "bitdepth", "bitdepth", 3, &stat);
	stat = eAttr.addField( "8bit  Integer", 0 );
	stat = eAttr.addField( "16bit Integer", 1 );
	stat = eAttr.addField( "32bit Integer", 2 );
	stat = eAttr.addField( "16bit Float(Half)", 3 );
	stat = eAttr.addField( "32bit Float", 4 );
	stat = eAttr.addField( "64bit Double", 5 );
	CHECK_MSTATUS(addAttribute( bitdepth ));

	pixel_renderer = eAttr.create( "pixel_renderer", "pixel_renderer", 0, &stat);
	stat = eAttr.addField( "adaptive", 0 );
	stat = eAttr.addField( "uniform", 1 );
	CHECK_MSTATUS(addAttribute( pixel_renderer ));

	colorSpace = eAttr.create( "colorSpace", "colorSpace", 0, &stat);
	stat = eAttr.addField( "linear_rgb", 0 );
	stat = eAttr.addField( "srgb", 1 );
	stat = eAttr.addField( "ciexyz", 2 );
	CHECK_MSTATUS(addAttribute( colorSpace ));

	lightingEngine = eAttr.create( "lightingEngine", "lightingEngine", 0, &stat);
	stat = eAttr.addField( "Unidirectional Path tracing", 0 );
	stat = eAttr.addField( "Distributed Raytracing", 1 );
	stat = eAttr.addField( "Stochastic Progressive Photon Mapping", 2 );
	CHECK_MSTATUS(addAttribute( lightingEngine ));

	clamping = nAttr.create("clamping", "clamping",  MFnNumericData::kBoolean, false);
	CHECK_MSTATUS(addAttribute( clamping ));

	maxError = nAttr.create("maxError", "maxError",  MFnNumericData::kFloat, 0.01f);
	CHECK_MSTATUS(addAttribute( maxError ));

	adaptiveQuality = nAttr.create("adaptiveQuality", "adaptiveQuality",  MFnNumericData::kFloat, 3.0f);
	CHECK_MSTATUS(addAttribute( adaptiveQuality ));
	
	enable_caustics = nAttr.create("enable_caustics", "enable_caustics",  MFnNumericData::kBoolean, false);
	CHECK_MSTATUS(addAttribute( enable_caustics ));

	enable_dl = nAttr.create("enable_dl", "enable_ibl",  MFnNumericData::kBoolean, true);
	CHECK_MSTATUS(addAttribute( enable_dl ));

	enable_diagnostics = nAttr.create("enable_diagnostics", "enable_diagnostics",  MFnNumericData::kBoolean, false);
	CHECK_MSTATUS(addAttribute( enable_diagnostics ));

	diffuseDepth = nAttr.create("diffuseDepth", "diffuseDepth",  MFnNumericData::kInt, 4);
	CHECK_MSTATUS(addAttribute( diffuseDepth ));

	texCacheSize = nAttr.create("texCacheSize", "texCacheSize",  MFnNumericData::kInt, 512);
	CHECK_MSTATUS(addAttribute( texCacheSize ));

	frameRendererPasses = nAttr.create("frameRendererPasses", "frameRendererPasses",  MFnNumericData::kInt, 1);
	CHECK_MSTATUS(addAttribute( frameRendererPasses ));

	glossyDepth = nAttr.create("glossyDepth", "glossyDepth",  MFnNumericData::kInt, 4);
	CHECK_MSTATUS(addAttribute( glossyDepth ));

	environmentSamples = nAttr.create("environmentSamples", "environmentSamples",  MFnNumericData::kInt, 1);
	CHECK_MSTATUS(addAttribute( environmentSamples ));

	bsdfSamples = nAttr.create("bsdfSamples", "bsdfSamples",  MFnNumericData::kInt, 1);
	CHECK_MSTATUS(addAttribute( bsdfSamples ));

	next_event_estimation = nAttr.create("next_event_estimation", "next_event_estimation",  MFnNumericData::kBoolean, true);
	CHECK_MSTATUS(addAttribute( next_event_estimation ));

	assemblySBVH = nAttr.create("assemblySBVH", "assemblySBVH",  MFnNumericData::kBoolean, false);
	CHECK_MSTATUS(addAttribute( assemblySBVH ));

	max_path_length = nAttr.create("max_path_length", "max_path_length", MFnNumericData::kFloat, 8.0f);
	CHECK_MSTATUS(addAttribute(max_path_length));

	rr_min_path_length = nAttr.create("rr_min_path_length", "rr_min_path_length",  MFnNumericData::kFloat, 3.0f);
	CHECK_MSTATUS(addAttribute( rr_min_path_length ));

	path_tracing_max_path_length = nAttr.create("path_tracing_max_path_length", "path_tracing_max_path_length", MFnNumericData::kFloat, 0.0f);
	CHECK_MSTATUS(addAttribute(path_tracing_max_path_length));

//.........这里部分代码省略.........

MStatus dSolverNode::initialize()
{ 
    MStatus                 status;
    MFnEnumAttribute        fnEnumAttr;
    MFnMessageAttribute     fnMsgAttr;
    MFnUnitAttribute        fnUnitAttr;
    MFnNumericAttribute     fnNumericAttr;

    //
    ssSolverType = fnEnumAttr.create( "ssSolverType", "ssst", 0, &status );
    MCHECKSTATUS(status, "creating ssSolverType attribute")
    fnEnumAttr.addField( "Bullet Physics", 0 );
    fnEnumAttr.addField( "Ageia PhysX", 1 );
    fnEnumAttr.addField( "Stanford PhysBAM", 2 );
    status = addAttribute(ssSolverType);
    MCHECKSTATUS(status, "adding ssSolverType attribute")

    //
    ia_time = fnUnitAttr.create( "inTime", "it", MFnUnitAttribute::kTime, 0.0, &status );
    MCHECKSTATUS(status, "creating ia_time attribute")
    fnUnitAttr.setHidden(true);
    status = addAttribute(ia_time);
    MCHECKSTATUS(status, "adding ia_time attribute")

    ia_startTime = fnUnitAttr.create( "startTime", "stm", MFnUnitAttribute::kTime, 1.0, &status );
    MCHECKSTATUS(status, "creating ia_startTime attribute")
    status = addAttribute(ia_startTime);
    MCHECKSTATUS(status, "adding ia_startTime attribute")

    oa_rigidBodies = fnMsgAttr.create("rigidBodies", "rbds", &status);
    MCHECKSTATUS(status, "creating oa_rigidBodies attribute")
    status = addAttribute(oa_rigidBodies);
    MCHECKSTATUS(status, "adding oa_rigidBodies attribute")

    ia_gravity = fnNumericAttr.createPoint("gravity", "grvt", &status);
    MCHECKSTATUS(status, "creating gravity attribute")
    fnNumericAttr.setDefault(0.0, -9.81, 0.0);
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_gravity);
    MCHECKSTATUS(status, "adding ia_gravity attribute")

    ia_substeps = fnNumericAttr.create("substeps", "sbs", MFnNumericData::kInt, 1, &status);
    MCHECKSTATUS(status, "creating substeps attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_substeps);
    MCHECKSTATUS(status, "adding ia_substeps attribute")

    ia_enabled = fnNumericAttr.create("enabled", "enbl", MFnNumericData::kBoolean, true, &status);
    MCHECKSTATUS(status, "creating enabled attribute")
    status = addAttribute(ia_enabled);
    MCHECKSTATUS(status, "adding ia_enabled attribute")

    ia_splitImpulse = fnNumericAttr.create("splitImpulse", "spli", MFnNumericData::kBoolean, false, &status);
    MCHECKSTATUS(status, "creating splitImpulse attribute")
    status = addAttribute(ia_splitImpulse);
    MCHECKSTATUS(status, "adding ia_splitImpulse attribute")

    status = attributeAffects(ia_time, oa_rigidBodies);
    MCHECKSTATUS(status, "adding attributeAffects(ia_time, oa_rigidBodies)")

    status = attributeAffects(ia_enabled, oa_rigidBodies);
    MCHECKSTATUS(status, "adding attributeAffects(ia_enabled, oa_rigidBodies)")

    return MS::kSuccess;
}

MStatus sixdofConstraintNode::initialize()
{
    MStatus status;
    MFnMessageAttribute fnMsgAttr;
    MFnNumericAttribute fnNumericAttr;
    MFnMatrixAttribute fnMatrixAttr;

    ia_rigidBodyA = fnMsgAttr.create("inRigidBodyA", "inrbA", &status);
    MCHECKSTATUS(status, "creating inRigidBodyA attribute")
    status = addAttribute(ia_rigidBodyA);
    MCHECKSTATUS(status, "adding inRigidBody attribute")

    ia_rigidBodyB = fnMsgAttr.create("inRigidBodyB", "inrbB", &status);
    MCHECKSTATUS(status, "creating inRigidBodyB attribute")
    status = addAttribute(ia_rigidBodyB);
    MCHECKSTATUS(status, "adding inRigidBodyB attribute")

	ia_damping = fnNumericAttr.create("damping", "dmp", MFnNumericData::kDouble, 1.0, &status);
    MCHECKSTATUS(status, "creating damping attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_damping);
    MCHECKSTATUS(status, "adding damping attribute")

	ia_breakThreshold = fnNumericAttr.create("breakThreshold", "brkThrsh", MFnNumericData::kDouble, 100.0, &status);
    MCHECKSTATUS(status, "creating breakThreshold attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_breakThreshold);
    MCHECKSTATUS(status, "adding breakThreshold attribute")

	ia_disableCollide = fnNumericAttr.create("disableCollide", "dsblColl", MFnNumericData::kBoolean, true, &status);
    MCHECKSTATUS(status, "creating disableCollide attribute")
	fnNumericAttr.setHidden(true);
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_disableCollide);
    MCHECKSTATUS(status, "adding disableCollide attribute")

    ia_lowerLinLimit = fnNumericAttr.createPoint("lowerLinLimit", "lllt", &status);
    MCHECKSTATUS(status, "creating lower linear limit attribute")
	status = fnNumericAttr.setDefault((double) 0.0, (double) 0.0, (double) 0.0);
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_lowerLinLimit);
    MCHECKSTATUS(status, "adding lower linear limit attribute")

	ia_upperLinLimit = fnNumericAttr.createPoint("upperLinLimit", "ullt", &status);
    MCHECKSTATUS(status, "creating upper linear limit attribute")
	status = fnNumericAttr.setDefault((double) 0.0, (double) 0.0, (double) 0.0);
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_upperLinLimit);
    MCHECKSTATUS(status, "adding upper linear limit attribute")

    ia_lowerAngLimit = fnNumericAttr.createPoint("lowerAngLimit", "lalt", &status);
    MCHECKSTATUS(status, "creating lower angular limit attribute")
	status = fnNumericAttr.setDefault((double) 0.0, (double) 0.0, (double) 0.0);
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_lowerAngLimit);
    MCHECKSTATUS(status, "adding lower angular limit attribute")

	ia_upperAngLimit = fnNumericAttr.createPoint("upperAngLimit", "ualt", &status);
    MCHECKSTATUS(status, "creating upper angular limit attribute")
	status = fnNumericAttr.setDefault((double) 0.0, (double) 0.0, (double) 0.0);
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_upperAngLimit);
    MCHECKSTATUS(status, "adding upper angular limit attribute")

	ca_constraint = fnNumericAttr.create("ca_constraint", "caco", MFnNumericData::kBoolean, 0, &status);
    MCHECKSTATUS(status, "creating ca_constraint attribute")
    fnNumericAttr.setConnectable(false);
    fnNumericAttr.setHidden(true);
    fnNumericAttr.setStorable(false);
    fnNumericAttr.setKeyable(false);
    status = addAttribute(ca_constraint);
    MCHECKSTATUS(status, "adding ca_constraint attribute")


    ca_constraintParam = fnNumericAttr.create("ca_constraintParam", "cacop", MFnNumericData::kBoolean, 0, &status);
    MCHECKSTATUS(status, "creating ca_constraintParam attribute")
    fnNumericAttr.setConnectable(false);
    fnNumericAttr.setHidden(true);
    fnNumericAttr.setStorable(false);
    fnNumericAttr.setKeyable(false);
    status = addAttribute(ca_constraintParam);
    MCHECKSTATUS(status, "adding ca_constraintParam attribute")

	ia_rotationInA = fnNumericAttr.createPoint("rotationInA", "hgRotA", &status);
	status = fnNumericAttr.setDefault((double) 0.0, (double) 0.0, (double) 0.0);
    MCHECKSTATUS(status, "creating rotationInA attribute")
    status = addAttribute(ia_rotationInA);
    MCHECKSTATUS(status, "adding rotationInA attribute")

	ia_rotationInB = fnNumericAttr.createPoint("rotationInB", "hgRotB", &status);
	status = fnNumericAttr.setDefault((double) 0.0, (double) 0.0, (double) 0.0);
    MCHECKSTATUS(status, "creating rotationInB attribute")
    status = addAttribute(ia_rotationInB);
    MCHECKSTATUS(status, "adding rotationInB attribute")

	ia_pivotInA = fnNumericAttr.createPoint("pivotInA", "pivinA", &status);
	status = fnNumericAttr.setDefault((double) 0.0, (double) 0.0, (double) 0.0);
    MCHECKSTATUS(status, "creating pivotInA attribute")
    status = addAttribute(ia_pivotInA);
    MCHECKSTATUS(status, "adding pivotInA attribute")
//.........这里部分代码省略.........

MStatus SoftBodyNode::initialize()
{
	MFnMessageAttribute fnMsgAttr;
	MStatus status = MStatus::kSuccess;

	ia_solver = fnMsgAttr.create("solver", "solv", &status);
	MCHECKSTATUS(status, "creating solver attribute")
		status = addAttribute(ia_solver);
	MCHECKSTATUS(status, "adding solver attribute")

		MFnNumericAttribute fnNumericAttr;
	ca_solver = fnNumericAttr.create("ca_solver", "caso", MFnNumericData::kBoolean, 0, &status);
	MCHECKSTATUS(status, "creating ca_solver attribute")
		fnNumericAttr.setConnectable(false);
	fnNumericAttr.setHidden(true);
	fnNumericAttr.setStorable(false);
	fnNumericAttr.setKeyable(false);
	status = addAttribute(ca_solver);
	MCHECKSTATUS(status, "adding ca_solver attribute")

		ca_softBody = fnNumericAttr.create("ca_softBody", "casb", MFnNumericData::kBoolean, 0, &status);   
	MCHECKSTATUS(status, "creating ca_softBody attribute")
		fnNumericAttr.setConnectable(false);
	fnNumericAttr.setHidden(true);
	fnNumericAttr.setStorable(false);
	fnNumericAttr.setKeyable(false);
	status = addAttribute(ca_softBody);
	MCHECKSTATUS(status, "adding ca_softBody attribute")

		inputMesh = fnMsgAttr.create("inMesh", "inmsh", &status);
	MCHECKSTATUS(status, "creating inMesh attribute")
		status = addAttribute(inputMesh);
	MCHECKSTATUS(status, "adding inMesh attribute")

		outputMesh = fnMsgAttr.create("outMesh", "outmsh", &status);
	MCHECKSTATUS(status, "creating outMesh attribute")
		status = addAttribute(outputMesh);
	MCHECKSTATUS(status, "adding outMesh attribute")
		/*
		Note that these initial* attributes are not in use for soft bodies at the moment
		*/
		ia_initialPosition = fnNumericAttr.createPoint("initialPosition", "inpo", &status);
	MCHECKSTATUS(status, "creating initialPosition attribute")
		status = addAttribute(ia_initialPosition);
	MCHECKSTATUS(status, "adding initialPosition attribute")

		ia_initialRotation = fnNumericAttr.createPoint("initialRotation", "inro", &status);
	MCHECKSTATUS(status, "creating initialRotation attribute")
		status = addAttribute(ia_initialRotation);
	MCHECKSTATUS(status, "adding initialRotation attribute")

		ia_initialVelocity = fnNumericAttr.createPoint("initialVelocity", "inve", &status);
	MCHECKSTATUS(status, "creating initialVelocity attribute")
		status = addAttribute(ia_initialVelocity);
	MCHECKSTATUS(status, "adding initialVelocity attribute")

		ia_initialSpin = fnNumericAttr.createPoint("initialSpin", "insp", &status);
	MCHECKSTATUS(status, "creating initialSpin attribute")
		status = addAttribute(ia_initialSpin);
	MCHECKSTATUS(status, "adding initialSpin attribute")

		// total soft body mass
		ia_mass = fnNumericAttr.create("mass", "ma", MFnNumericData::kDouble, DEFAULT_MASS, &status);
	MCHECKSTATUS(status, "creating mass attribute")
		fnNumericAttr.setKeyable(true);
	status = addAttribute(ia_mass);
	MCHECKSTATUS(status, "adding mass attribute")

		// create dynamic friction coefficient attribute
		ia_dynamicFrictionCoeff = fnNumericAttr.create("dynamicfrictioncoeff", "dfc", MFnNumericData::kDouble, DEFAULT_DFC, &status);
	MCHECKSTATUS(status, "creating dynamicfrictioncoeff attribute")
		fnNumericAttr.setKeyable(true);
	status = addAttribute(ia_dynamicFrictionCoeff);
	MCHECKSTATUS(status, "adding dynamicfrictioncoeff attribute")

		// create collision margin attribute
		ia_collisionMargin = fnNumericAttr.create("collisionmargin", "cmargin", MFnNumericData::kFloat, DEFAULT_CMARGIN, &status);
	MCHECKSTATUS(status, "creating collisionmargin attribute")
		fnNumericAttr.setKeyable(false);
	status = addAttribute(ia_collisionMargin);
	MCHECKSTATUS(status, "adding collision attribute")

		// collision clusters attribute
		ia_numClusters = fnNumericAttr.create("numclusters", "nclust", MFnNumericData::kInt, DEFAULT_CLUSTERS, &status);
	MCHECKSTATUS(status, "creating numclusters attribute")
		fnNumericAttr.setKeyable(false);
	status = addAttribute(ia_numClusters);
	MCHECKSTATUS(status, "adding numclusters attribute")

		ca_softBodyParam = fnNumericAttr.create("ca_softBodyParam", "casbp", MFnNumericData::kBoolean, 0, &status);
	MCHECKSTATUS(status, "creating ca_softBodyParam attribute")
		fnNumericAttr.setConnectable(false);
	fnNumericAttr.setHidden(true);
	fnNumericAttr.setStorable(false);
	fnNumericAttr.setKeyable(false);
	status = addAttribute(ca_softBodyParam);
	MCHECKSTATUS(status, "adding ca_softBodyParam attribute")

		status = attributeAffects(inputMesh, ca_softBody);
	MCHECKSTATUS(status, "adding attributeAffects(inputMesh, ca_softBody)")
//.........这里部分代码省略.........

MStatus boidsBrain::initialize()
{
	MStatus status;
	
	MFnNumericAttribute		nAttr;
	MFnTypedAttribute		tAttr;
	MFnEnumAttribute		eAttr;
	MFnMessageAttribute		mAttr;
	// MFnUnitAttribute		uAttr;

	// MString				attrOpt;
	
	printf("initializing Boidz Locator node\n");
	MGlobal:: displayInfo("initializing Boidz Locator node");

	nodeCreateAttrNum(simulationLength, sl, kInt, BDZ_SIMLEN );
	nodeCreateAttrNum(framesPerSecond, fps, kInt, BDZ_FPS );
	nodeCreateAttrNum(startFrame, stf, kInt, BDZ_STF );
	particleSystem = mAttr.create("particleSystem", "ps");
	nodeAddAttribute(particleSystem);
	nodeCreateAttrNum(boidsNumber, bn, kInt, BDZ_NUM );
	
	nodeCreateAttrTyp(logFilePath, lp);
	nodeCreateAttrTyp(logFileName, ln);
	// inputSurface = tAttr.create( "inputSurface", "is",MFnData::kNurbsSurface,&stat );
	// nodeCreateAttrTyped(logFileName, ln, BDZ_LOGNAME);
	logFileType = eAttr.create("logFileType", "lt", BDZ_LOGTYPE);
	eAttr.addField("nCache file", 0);
	eAttr.addField("log file", 1);
	eAttr.addField("XML file", 2);
	// eAttr.setStorable(true);
	// nodeCreateAttrNum(logFileType, lt, kDouble, BDZ_LOGTYPE);
	nodeAddAttribute(logFileType);
	
	nodeCreateRuleAttributes(alignment, a)
	nodeCreateRuleAttributes(cohesion, c)
	nodeCreateRuleAttributes(separation, s)
	nodeCreateRuleAttributes(follow, f)
	/*
	nodeCreateAttrNum(distance, d, kDouble, BDZ_DIST)
	nodeCreateAttrNum(repulsionFactor, rf, kDouble, BDZ_REPULSION)
	nodeCreateAttrNum(cohesionFactor, cf, kDouble, BDZ_COHESION)
	nodeCreateAttrNum(separationFactor, sf, kDouble, BDZ_SEPARATION)
	nodeCreateAttrNum(approachFactor, af, kDouble, BDZ_APPROACH)
	*/
	locomotionMode = eAttr.create("locomotionMode", "lm", BDZ_LOCMODE);
	eAttr.addField("physical", 0);
	eAttr.addField("simple", 1);
	nodeAddAttribute(locomotionMode);
	// nodeCreateAttrNum(locomotionMode, lm, kInt, BDZ_LOCMODE)
	nodeCreateAttrNum(maxSpeed, ms, kDouble, BDZ_MAXSPEED)
	nodeCreateAttrNum(maxForce, mf, kDouble, BDZ_MAXACCEL)
	// nodeCreateAttrNum(mass, mss, kDouble, BDZ_MASS)

	// check for error
	if( status != MS::kSuccess ) {
		status.perror("Unable to attach one or more attributes to the boidsBrain node");
		return status;
	}
	
	MGlobal:: displayInfo("boidsBrain node attributes applied");

	return MS::kSuccess;
}

MStatus rigidBodyNode::initialize()
{
    MStatus status;
    MFnMessageAttribute fnMsgAttr;
    MFnNumericAttribute fnNumericAttr;
    MFnMatrixAttribute fnMatrixAttr;
	MFnTypedAttribute typedAttr;

    ia_collisionShape = fnMsgAttr.create("inCollisionShape", "incs", &status);
    MCHECKSTATUS(status, "creating inCollisionShape attribute")
    status = addAttribute(ia_collisionShape);
    MCHECKSTATUS(status, "adding inCollisionShape attribute")

    ia_solver = fnMsgAttr.create("solver", "solv", &status);
    MCHECKSTATUS(status, "creating solver attribute")
    status = addAttribute(ia_solver);
    MCHECKSTATUS(status, "adding solver attribute")

    ia_mass = fnNumericAttr.create("mass", "ma", MFnNumericData::kDouble, 1.0, &status);
    MCHECKSTATUS(status, "creating mass attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_mass);
    MCHECKSTATUS(status, "adding mass attribute")

    ia_restitution = fnNumericAttr.create("restitution", "rst", MFnNumericData::kDouble, 0.1, &status);
    MCHECKSTATUS(status, "creating restitution attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_restitution);
    MCHECKSTATUS(status, "adding restitution attribute")

    ia_friction = fnNumericAttr.create("friction", "fc", MFnNumericData::kDouble, 0.5, &status);
    MCHECKSTATUS(status, "creating friction attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_friction);
    MCHECKSTATUS(status, "adding friction attribute")

    ia_linearDamping = fnNumericAttr.create("linearDamping", "ld", MFnNumericData::kDouble, 0.3, &status);
    MCHECKSTATUS(status, "creating linearDamping attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_linearDamping);
    MCHECKSTATUS(status, "adding linearDamping attribute")

    ia_angularDamping = fnNumericAttr.create("angularDamping", "ad", MFnNumericData::kDouble, 0.3, &status);
    MCHECKSTATUS(status, "creating angularDamping attribute")
    fnNumericAttr.setKeyable(true);
    status = addAttribute(ia_angularDamping);
    MCHECKSTATUS(status, "adding angularDamping attribute")

    ia_initialPosition = fnNumericAttr.createPoint("initialPosition", "inpo", &status);
    MCHECKSTATUS(status, "creating initialPosition attribute")
    status = addAttribute(ia_initialPosition);
    MCHECKSTATUS(status, "adding initialPosition attribute")

    ia_initialRotation = fnNumericAttr.createPoint("initialRotation", "inro", &status);
    MCHECKSTATUS(status, "creating initialRotation attribute")
    status = addAttribute(ia_initialRotation);
    MCHECKSTATUS(status, "adding initialRotation attribute")

    ia_initialVelocity = fnNumericAttr.createPoint("initialVelocity", "inve", &status);
    MCHECKSTATUS(status, "creating initialVelocity attribute")
    status = addAttribute(ia_initialVelocity);
    MCHECKSTATUS(status, "adding initialVelocity attribute")

    ia_initialSpin = fnNumericAttr.createPoint("initialSpin", "insp", &status);
    MCHECKSTATUS(status, "creating initialSpin attribute")
    status = addAttribute(ia_initialSpin);
    MCHECKSTATUS(status, "adding initialSpin attribute")

	ia_externalForce = fnNumericAttr.createPoint("externalForce", "exfo", &status);
    MCHECKSTATUS(status, "creating externalForce attribute")
    status = addAttribute(ia_externalForce);
    MCHECKSTATUS(status, "adding externalForce attribute")

	ia_externalTorque = fnNumericAttr.createPoint("externalTorque", "exto", &status);
    MCHECKSTATUS(status, "creating externalTorque attribute")
    status = addAttribute(ia_externalTorque);
    MCHECKSTATUS(status, "adding externalTorque attribute")

    ca_rigidBody = fnNumericAttr.create("ca_rigidBody", "carb", MFnNumericData::kBoolean, 0, &status);
    MCHECKSTATUS(status, "creating ca_rigidBody attribute")
    fnNumericAttr.setConnectable(false);
    fnNumericAttr.setHidden(true);
    fnNumericAttr.setStorable(false);
    fnNumericAttr.setKeyable(false);
    status = addAttribute(ca_rigidBody);
    MCHECKSTATUS(status, "adding ca_rigidBody attribute")

    ca_rigidBodyParam = fnNumericAttr.create("ca_rigidBodyParam", "carbp", MFnNumericData::kBoolean, 0, &status);
    MCHECKSTATUS(status, "creating ca_rigidBodyParam attribute")
    fnNumericAttr.setConnectable(false);
    fnNumericAttr.setHidden(true);
    fnNumericAttr.setStorable(false);
    fnNumericAttr.setKeyable(false);
    status = addAttribute(ca_rigidBodyParam);
    MCHECKSTATUS(status, "adding ca_rigidBodyParam attribute")

    ca_solver = fnNumericAttr.create("ca_solver", "caso", MFnNumericData::kBoolean, 0, &status);
    MCHECKSTATUS(status, "creating ca_solver attribute")
    fnNumericAttr.setConnectable(false);
    fnNumericAttr.setHidden(true);
//.........这里部分代码省略.........

MStatus liqSurfaceNode::initialize()
{
  MFnTypedAttribute   tAttr;
  MFnStringData       tDefault;
  MFnNumericAttribute nAttr;
  MFnEnumAttribute    eAttr;
  MFnMessageAttribute mAttr;
  MFnLightDataAttribute lAttr;
  MStatus status;

  // Create input attributes

  aRmanShader = tAttr.create( MString("rmanShader"), MString("rms"), MFnData::kString, aRmanShader, &status );
  MAKE_INPUT(tAttr);

  aRmanShaderLong = tAttr.create( MString("rmanShaderLong"), MString("rml"), MFnData::kString, aRmanShaderLong, &status );
  MAKE_INPUT(tAttr);

  aRmanShaderLif = tAttr.create(  MString("rmanShaderLif"),  MString("lif"), MFnData::kString, aRmanShaderLif, &status );
  MAKE_INPUT(tAttr);

  aRmanParams = tAttr.create(  MString("rmanParams"),  MString("rpr"), MFnData::kStringArray, aRmanParams, &status );
  MAKE_INPUT(tAttr);

  aRmanDetails = tAttr.create(  MString("rmanDetails"),  MString("rdt"), MFnData::kStringArray, aRmanDetails, &status );
  MAKE_INPUT(tAttr);

  aRmanTypes = tAttr.create(  MString("rmanTypes"),  MString("rty"), MFnData::kStringArray, aRmanTypes, &status );
  MAKE_INPUT(tAttr);

  aRmanDefaults = tAttr.create(  MString("rmanDefaults"),  MString("rdf"), MFnData::kStringArray, aRmanDefaults, &status );
  MAKE_INPUT(tAttr);

  aRmanArraySizes = tAttr.create(  MString("rmanArraySizes"),  MString("ras"), MFnData::kIntArray, aRmanArraySizes, &status );
  MAKE_INPUT(tAttr);

  aRmanLifCmds = tAttr.create(  MString("rmanLifCmds"),  MString("rlc"), MFnData::kStringArray, aRmanLifCmds, &status );
  MAKE_INPUT(tAttr);

  aPreviewPrimitive = eAttr.create( "previewPrimitive", "pvp", 7, &status );
  eAttr.addField( "Sphere",   0 );
  eAttr.addField( "Cube",     1 );
  eAttr.addField( "Cylinder", 2 );
  eAttr.addField( "Torus",    3 );
  eAttr.addField( "Plane",    4 );
  eAttr.addField( "Teapot",   5 );
  eAttr.addField( "Custom",   6 );
  eAttr.addField( "(globals)",7 );
  MAKE_NONKEYABLE_INPUT(eAttr);
  CHECK_MSTATUS(eAttr.setConnectable(false));

  aPreviewCustomPrimitive = tAttr.create(  MString("previewCustomPrimitive"),  MString("pcp"), MFnData::kString, aPreviewCustomPrimitive, &status );
  MAKE_INPUT(tAttr);

  aPreviewCustomBackplane = tAttr.create(  MString("previewCustomBackplane"),  MString("pcb"), MFnData::kString, aPreviewCustomBackplane, &status );
  MAKE_INPUT(tAttr);

  aPreviewCustomLightRig = tAttr.create(  MString("previewCustomLights"),  MString("pcl"), MFnData::kString, aPreviewCustomLightRig, &status );
  MAKE_INPUT(tAttr);

  aPreviewObjectSize = nAttr.create("previewObjectSize", "pos", MFnNumericData::kDouble, 1.0, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setConnectable(false));

  aPreviewPixelSamples = nAttr.create("previewPixelSamples", "pxs",  MFnNumericData::kInt, 3, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setConnectable(false));

  aPreviewShadingRate = nAttr.create("previewShadingRate", "psr", MFnNumericData::kDouble, 1.0, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setConnectable(false));

  aPreviewBackplane = nAttr.create("previewBackplane", "pbp", MFnNumericData::kBoolean, true, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setConnectable(false));

  aPreviewIntensity = nAttr.create("previewIntensity", "pi", MFnNumericData::kDouble, 1.0, &status);
  MAKE_NONKEYABLE_INPUT(nAttr);
  CHECK_MSTATUS(nAttr.setConnectable(false));

  aGLPreviewTexture = nAttr.createColor("GLPreviewTexture", "gpt");
  nAttr.setDefault( -1.0, -1.0, -1.0 );
  nAttr.setDisconnectBehavior( MFnAttribute::kReset );
  MAKE_INPUT(nAttr);



  aColor = nAttr.createColor("color", "cs");
  nAttr.setDefault( 1.0, 1.0, 1.0 );
  nAttr.setDisconnectBehavior( MFnAttribute::kReset );
  MAKE_INPUT(nAttr);

  aOpacity = nAttr.createColor("opacity", "os");
  nAttr.setDefault( 1.0, 1.0, 1.0 );
  MAKE_INPUT(nAttr);

  aShaderSpace = tAttr.create( MString("shaderSpace"), MString("ssp"), MFnData::kString, aShaderSpace, &status );
  MAKE_INPUT(tAttr);

  aDisplacementBound = nAttr.create("displacementBound", "db", MFnNumericData::kDouble, 0.0, &status);
//.........这里部分代码省略.........