MStatus sphericalBlendShapeVisualizer::initialize()
{
MStatus status;
MFnMatrixAttribute mAttr;
MFnEnumAttribute eAttr;
aSpaceMatrix = mAttr.create("spaceMatrix", "spaceMatrix", MFnMatrixAttribute::kDouble, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
aPoleAxis = eAttr.create("poleAxis", "poleAxis", 1, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
eAttr.addField("+X", 0);
eAttr.addField("+Y", 1);
eAttr.addField("+Z", 2);
eAttr.addField("-X", 3);
eAttr.addField("-Y", 4);
eAttr.addField("-Z", 5);
eAttr.setDefault(1);
eAttr.setKeyable(true);
eAttr.setStorable(true);
eAttr.setWritable(true);
aSeamAxis = eAttr.create("seamAxis", "seamAxis", 0, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
eAttr.addField("+X", 0);
eAttr.addField("+Y", 1);
eAttr.addField("+Z", 2);
eAttr.addField("-X", 3);
eAttr.addField("-Y", 4);
eAttr.addField("-Z", 5);
eAttr.setDefault(0);
eAttr.setKeyable(true);
eAttr.setStorable(true);
eAttr.setWritable(true);
addAttribute(aSpaceMatrix);
addAttribute(aPoleAxis);
addAttribute(aSeamAxis);
return MS::kSuccess;
}
MStatus ModifyArrayNode::initialize()
{
MStatus status;
MFnTypedAttribute T;
MFnNumericAttribute N;
MFnEnumAttribute E;
aInput = T.create("input", "i", MFnData::kDoubleArray);
T.setKeyable(false);
T.setChannelBox(false);
T.setStorable(true);
T.setWritable(true);
aOperation = E.create("operation", "operation");
E.addField("No Operation", kNO_OP);
E.addField("Sort", kSORT);
E.addField("Absolute Value", kABS);
E.addField("Reflect Left", kREFLECT_LEFT);
E.addField("Reflect Right", kREFLECT_RIGHT);
E.setDefault(kNO_OP);
E.setKeyable(true);
E.setStorable(true);
E.setWritable(true);
aReverse = N.create("reverse", "rev", MFnNumericData::kBoolean);
N.setKeyable(true);
N.setChannelBox(true);
N.setStorable(true);
N.setWritable(true);
aOutput = T.create("output", "o", MFnData::kDoubleArray);
T.setKeyable(false);
T.setChannelBox(false);
T.setWritable(false);
T.setStorable(false);
addAttribute(aOperation);
addAttribute(aInput);
addAttribute(aReverse);
addAttribute(aOutput);
attributeAffects(aOperation, aOutput);
attributeAffects(aInput, aOutput);
attributeAffects(aReverse, aOutput);
return MS::kSuccess;
}
MStatus TestDeformer::initialize()
{
MFnNumericAttribute numericAttr;
MFnTypedAttribute polyMeshAttr;
MFnEnumAttribute enumAttr;
MStatus status; // Status will be used to hold the MStatus value
// vertSnapInput
driver_mesh = polyMeshAttr.create( "vertSnapInput", "vsnpin", MFnData::kMesh, &status );
CHECK_MSTATUS( status );
CHECK_MSTATUS( polyMeshAttr.setStorable( false ) );
CHECK_MSTATUS( polyMeshAttr.setArray(true) );
CHECK_MSTATUS( polyMeshAttr.setConnectable( true ) );
CHECK_MSTATUS( addAttribute(driver_mesh) );
CHECK_MSTATUS( attributeAffects(driver_mesh, outputGeom) );
// initialize is used to mark this node's state
initialized_data = enumAttr.create( "initialize", "inl", 0/*default*/, &status );
CHECK_MSTATUS( status );
CHECK_MSTATUS( enumAttr.addField( "Off", 0) );
CHECK_MSTATUS( enumAttr.addField( "Re-Set Bind", 1) );
CHECK_MSTATUS( enumAttr.addField( "Bound", 2) );
CHECK_MSTATUS( enumAttr.setKeyable(true) );
CHECK_MSTATUS( enumAttr.setStorable(true) );
CHECK_MSTATUS( enumAttr.setReadable(true) );
CHECK_MSTATUS( enumAttr.setWritable(true) );
CHECK_MSTATUS( enumAttr.setDefault(0) );
CHECK_MSTATUS( addAttribute( initialized_data ) );
CHECK_MSTATUS( attributeAffects( initialized_data, outputGeom ) );
// hold the vertex index mapping
vert_map = numericAttr.create( "vtxIndexMap", "vtximp", MFnNumericData::kLong, 0/*default*/, &status );
CHECK_MSTATUS( status );
CHECK_MSTATUS( numericAttr.setKeyable(false) );
CHECK_MSTATUS( numericAttr.setArray(true) );
CHECK_MSTATUS( numericAttr.setStorable(true) );
CHECK_MSTATUS( numericAttr.setReadable(true) );
CHECK_MSTATUS( numericAttr.setWritable(true) );
CHECK_MSTATUS( addAttribute( vert_map ) );
CHECK_MSTATUS( attributeAffects( vert_map, outputGeom ) );
CHECK_MSTATUS( MGlobal::executePythonCommand("import maya.cmds; maya.cmds.makePaintable('"+TestDeformer::cTypeName()+"', 'weights', attrType='multiFloat')") );
return( MS::kSuccess );
}
MStatus ReduceArrayNode::initialize()
{
MStatus status;
MFnTypedAttribute T;
MFnNumericAttribute N;
MFnEnumAttribute E;
aInput = T.create("input", "i", MFnData::kDoubleArray);
T.setKeyable(false);
T.setChannelBox(false);
T.setStorable(true);
T.setWritable(true);
aOutput = N.create("output", "o", MFnNumericData::kDouble, 0.0);
T.setKeyable(false);
T.setChannelBox(false);
T.setWritable(true);
T.setStorable(true);
aOperation = E.create("operation", "operation");
E.addField("No Operation", kNO_OP);
E.addField("Sum", kSUM);
E.addField("Difference", kDIFFERENCE);
E.addField("Average", kAVERAGE);
E.addField("Product", kPRODUCT);
E.addField("Quotient", kQUOTIENT);
E.addField("Exponent", kEXPONENT);
E.addField("Minimum", kMIN);
E.addField("Maximum", kMAX);
E.addField("Length", kLENGTH);
E.setKeyable(true);
E.setStorable(true);
E.setWritable(true);
addAttribute(aOperation);
addAttribute(aInput);
addAttribute(aOutput);
attributeAffects(aOperation, aOutput);
attributeAffects(aInput, aOutput);
return MS::kSuccess;
}
MStatus AlembicNode::initialize()
{
MStatus status;
MFnUnitAttribute uAttr;
MFnTypedAttribute tAttr;
MFnNumericAttribute nAttr;
MFnGenericAttribute gAttr;
MFnEnumAttribute eAttr;
// add the input attributes: time, file, sequence time
mTimeAttr = uAttr.create("time", "tm", MFnUnitAttribute::kTime, 0.0);
status = uAttr.setStorable(true);
status = addAttribute(mTimeAttr);
// input file name
MFnStringData fileFnStringData;
MObject fileNameDefaultObject = fileFnStringData.create("");
mAbcFileNameAttr = tAttr.create("abc_File", "fn",
MFnData::kString, fileNameDefaultObject);
status = tAttr.setStorable(true);
status = tAttr.setUsedAsFilename(true);
status = addAttribute(mAbcFileNameAttr);
// playback speed
mSpeedAttr = nAttr.create("speed", "sp",
MFnNumericData::kDouble, 1.0, &status);
status = nAttr.setWritable(true);
status = nAttr.setStorable(true);
status = nAttr.setKeyable(true);
status = addAttribute(mSpeedAttr);
// frame offset
mOffsetAttr = nAttr.create("offset", "of",
MFnNumericData::kDouble, 0, &status);
status = nAttr.setWritable(true);
status = nAttr.setStorable(true);
status = nAttr.setKeyable(true);
status = addAttribute(mOffsetAttr);
// cycle type
mCycleTypeAttr = eAttr.create("cycleType", "ct", 0, &status );
status = eAttr.addField("Hold", PLAYTYPE_HOLD);
status = eAttr.addField("Loop", PLAYTYPE_LOOP);
status = eAttr.addField("Reverse", PLAYTYPE_REVERSE);
status = eAttr.addField("Bounce", PLAYTYPE_BOUNCE);
status = eAttr.setWritable(true);
status = eAttr.setStorable(true);
status = eAttr.setKeyable(true);
status = addAttribute(mCycleTypeAttr);
// Regex Filter
// This is a hidden variable to preserve a regexIncludefilter string
// into a .ma file.
mIncludeFilterAttr = tAttr.create("regexIncludeFilter", "ift",
MFnData::kString);
status = tAttr.setStorable(true);
status = tAttr.setHidden(true);
status = addAttribute(mIncludeFilterAttr);
// Regex Filter
// This is a hidden variable to preserve a regexExcludefilter string
// into a .ma file.
mExcludeFilterAttr = tAttr.create("regexExcludeFilter", "eft",
MFnData::kString);
status = tAttr.setStorable(true);
status = tAttr.setHidden(true);
status = addAttribute(mExcludeFilterAttr);
// sequence min and max in frames
mStartFrameAttr = nAttr.create("startFrame", "sf",
MFnNumericData::kDouble, 0, &status);
status = nAttr.setWritable(false);
status = nAttr.setStorable(true);
status = addAttribute(mStartFrameAttr);
mEndFrameAttr = nAttr.create("endFrame", "ef",
MFnNumericData::kDouble, 0, &status);
status = nAttr.setWritable(false);
status = nAttr.setStorable(true);
status = addAttribute(mEndFrameAttr);
// add the output attributes
// sampled subD mesh
MFnMeshData fnMeshData;
MObject meshDefaultObject = fnMeshData.create(&status);
mOutSubDArrayAttr = tAttr.create("outSubDMesh", "osubd",
MFnData::kMesh, meshDefaultObject);
status = tAttr.setStorable(false);
status = tAttr.setWritable(false);
status = tAttr.setKeyable(false);
status = tAttr.setArray(true);
status = tAttr.setUsesArrayDataBuilder(true);
status = addAttribute(mOutSubDArrayAttr);
// sampled poly mesh
mOutPolyArrayAttr = tAttr.create("outPolyMesh", "opoly",
MFnData::kMesh, meshDefaultObject);
status = tAttr.setStorable(false);
status = tAttr.setWritable(false);
status = tAttr.setKeyable(false);
status = tAttr.setArray(true);
status = tAttr.setUsesArrayDataBuilder(true);
status = addAttribute(mOutPolyArrayAttr);
// sampled nurbs surface
MFnNurbsSurfaceData fnNSData;
MObject nsDefaultObject = fnNSData.create(&status);
mOutNurbsSurfaceArrayAttr = tAttr.create("outNSurface", "ons",
MFnData::kNurbsSurface, nsDefaultObject);
status = tAttr.setStorable(false);
status = tAttr.setWritable(false);
status = tAttr.setKeyable(false);
status = tAttr.setArray(true);
status = tAttr.setUsesArrayDataBuilder(true);
status = addAttribute(mOutNurbsSurfaceArrayAttr);
// sampled nurbs curve group
MFnNurbsCurveData fnNCData;
MObject ncDefaultObject = fnNCData.create(&status);
mOutNurbsCurveGrpArrayAttr = tAttr.create("outNCurveGrp", "onc",
MFnData::kNurbsCurve, ncDefaultObject);
status = tAttr.setStorable(false);
status = tAttr.setWritable(false);
status = tAttr.setKeyable(false);
status = tAttr.setArray(true);
status = tAttr.setUsesArrayDataBuilder(true);
status = addAttribute(mOutNurbsCurveGrpArrayAttr);
// sampled locator
mOutLocatorPosScaleArrayAttr = nAttr.create("outLoc", "olo",
MFnNumericData::kDouble, 0.0, &status);
status = nAttr.setStorable(false);
status = nAttr.setWritable(false);
status = nAttr.setArray(true);
status = nAttr.setUsesArrayDataBuilder(true);
status = addAttribute(mOutLocatorPosScaleArrayAttr);
// sampled transform operations
mOutTransOpArrayAttr = nAttr.create("transOp", "to",
MFnNumericData::kDouble, 0.0, &status);
status = nAttr.setStorable(false);
status = nAttr.setWritable(false);
status = nAttr.setArray(true);
status = nAttr.setUsesArrayDataBuilder(true);
status = addAttribute(mOutTransOpArrayAttr);
// sampled camera
// assume the boolean variables cannot be keyed
mOutCameraArrayAttr = nAttr.create("outCamera", "ocam",
MFnNumericData::kDouble, 0.0, &status);
status = nAttr.setStorable(false);
status = nAttr.setWritable(false);
status = nAttr.setArray(true);
status = nAttr.setUsesArrayDataBuilder(true);
status = addAttribute(mOutCameraArrayAttr);
// sampled custom-attributes
mOutPropArrayAttr = gAttr.create("prop", "pr", &status);
status = gAttr.addNumericDataAccept(MFnNumericData::kBoolean);
status = gAttr.addNumericDataAccept(MFnNumericData::kByte);
status = gAttr.addNumericDataAccept(MFnNumericData::kShort);
status = gAttr.addNumericDataAccept(MFnNumericData::k2Short);
status = gAttr.addNumericDataAccept(MFnNumericData::k3Short);
status = gAttr.addNumericDataAccept(MFnNumericData::kInt);
status = gAttr.addNumericDataAccept(MFnNumericData::k2Int);
status = gAttr.addNumericDataAccept(MFnNumericData::k3Int);
status = gAttr.addNumericDataAccept(MFnNumericData::kFloat);
status = gAttr.addNumericDataAccept(MFnNumericData::k2Float);
status = gAttr.addNumericDataAccept(MFnNumericData::k3Float);
status = gAttr.addNumericDataAccept(MFnNumericData::kDouble);
status = gAttr.addNumericDataAccept(MFnNumericData::k2Double);
status = gAttr.addNumericDataAccept(MFnNumericData::k3Double);
status = gAttr.addNumericDataAccept(MFnNumericData::k4Double);
status = gAttr.addDataAccept(MFnData::kString);
status = gAttr.addDataAccept(MFnData::kIntArray);
status = gAttr.addDataAccept(MFnData::kDoubleArray);
status = gAttr.addDataAccept(MFnData::kVectorArray);
status = gAttr.addDataAccept(MFnData::kPointArray);
status = gAttr.setWritable(false);
status = gAttr.setKeyable(false);
status = gAttr.setArray(true);
status = gAttr.setUsesArrayDataBuilder(true);
status = addAttribute(mOutPropArrayAttr);
// set up affection relationships
status = attributeAffects(mTimeAttr, mOutSubDArrayAttr);
status = attributeAffects(mTimeAttr, mOutPolyArrayAttr);
status = attributeAffects(mTimeAttr, mOutNurbsSurfaceArrayAttr);
status = attributeAffects(mTimeAttr, mOutNurbsCurveGrpArrayAttr);
status = attributeAffects(mTimeAttr, mOutTransOpArrayAttr);
status = attributeAffects(mTimeAttr, mOutCameraArrayAttr);
status = attributeAffects(mTimeAttr, mOutPropArrayAttr);
status = attributeAffects(mTimeAttr, mOutLocatorPosScaleArrayAttr);
status = attributeAffects(mSpeedAttr, mOutSubDArrayAttr);
status = attributeAffects(mSpeedAttr, mOutPolyArrayAttr);
status = attributeAffects(mSpeedAttr, mOutNurbsSurfaceArrayAttr);
status = attributeAffects(mSpeedAttr, mOutNurbsCurveGrpArrayAttr);
status = attributeAffects(mSpeedAttr, mOutTransOpArrayAttr);
status = attributeAffects(mSpeedAttr, mOutCameraArrayAttr);
status = attributeAffects(mSpeedAttr, mOutPropArrayAttr);
status = attributeAffects(mSpeedAttr, mOutLocatorPosScaleArrayAttr);
status = attributeAffects(mOffsetAttr, mOutSubDArrayAttr);
status = attributeAffects(mOffsetAttr, mOutPolyArrayAttr);
status = attributeAffects(mOffsetAttr, mOutNurbsSurfaceArrayAttr);
status = attributeAffects(mOffsetAttr, mOutNurbsCurveGrpArrayAttr);
status = attributeAffects(mOffsetAttr, mOutTransOpArrayAttr);
status = attributeAffects(mOffsetAttr, mOutCameraArrayAttr);
status = attributeAffects(mOffsetAttr, mOutPropArrayAttr);
status = attributeAffects(mOffsetAttr, mOutLocatorPosScaleArrayAttr);
status = attributeAffects(mCycleTypeAttr, mOutSubDArrayAttr);
status = attributeAffects(mCycleTypeAttr, mOutPolyArrayAttr);
status = attributeAffects(mCycleTypeAttr, mOutNurbsSurfaceArrayAttr);
status = attributeAffects(mCycleTypeAttr, mOutNurbsCurveGrpArrayAttr);
status = attributeAffects(mCycleTypeAttr, mOutTransOpArrayAttr);
status = attributeAffects(mCycleTypeAttr, mOutCameraArrayAttr);
status = attributeAffects(mCycleTypeAttr, mOutPropArrayAttr);
status = attributeAffects(mCycleTypeAttr, mOutLocatorPosScaleArrayAttr);
MGlobal::executeCommand( UITemplateMELScriptStr );
return status;
}
MStatus sphericalBlendShape::initialize()
{
MStatus status;
MFnMatrixAttribute mAttr;
MFnEnumAttribute eAttr;
aSpaceMatrix = mAttr.create("spaceMatrix", "spaceMatrix", MFnMatrixAttribute::kDouble, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
aPoleAxis = eAttr.create("poleAxis", "poleAxis", 1, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
eAttr.addField("+X", 0);
eAttr.addField("+Y", 1);
eAttr.addField("+Z", 2);
eAttr.addField("-X", 3);
eAttr.addField("-Y", 4);
eAttr.addField("-Z", 5);
eAttr.setDefault(1);
eAttr.setKeyable(true);
eAttr.setStorable(true);
eAttr.setWritable(true);
aSeamAxis = eAttr.create("seamAxis", "seamAxis", 0, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
eAttr.addField("+X", 0);
eAttr.addField("+Y", 1);
eAttr.addField("+Z", 2);
eAttr.addField("-X", 3);
eAttr.addField("-Y", 4);
eAttr.addField("-Z", 5);
eAttr.setDefault(0);
eAttr.setKeyable(true);
eAttr.setStorable(true);
eAttr.setWritable(true);
aWarpMatrix = mAttr.create("warpMatrix", "warpMatrix", MFnMatrixAttribute::kDouble, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
aMethod = eAttr.create("conversionMethod", "conversionMethod", 0, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
eAttr.addField("xyzToSpherical", 0);
eAttr.addField("sphericalToXyz", 1);
eAttr.setDefault(0);
eAttr.setKeyable(true);
eAttr.setStorable(true);
eAttr.setWritable(true);
addAttribute(aSpaceMatrix);
addAttribute(aPoleAxis);
addAttribute(aSeamAxis);
addAttribute(aWarpMatrix);
addAttribute(aMethod);
attributeAffects(aSpaceMatrix, outputGeom);
attributeAffects(aPoleAxis, outputGeom);
attributeAffects(aSeamAxis, outputGeom);
attributeAffects(aWarpMatrix, outputGeom);
attributeAffects(aMethod, outputGeom);
return MS::kSuccess;
}
// Create and Add Attributes
//
// Description:
// This method is called to create and initialize all of the attributes
// and attribute dependencies for this node type. This is only called
// once when the node type is registered with Maya.
//
// Return Values:
// MS::kSuccess
// MS::kFailure
//
MStatus
MayaPolySmooth::initialize() {
MStatus stat;
MFnCompoundAttribute cAttr;
MFnEnumAttribute eAttr;
MFnGenericAttribute gAttr;
MFnLightDataAttribute lAttr;
MFnMatrixAttribute mAttr;
MFnMessageAttribute msgAttr;
MFnNumericAttribute nAttr;
MFnTypedAttribute tAttr;
MFnUnitAttribute uAttr;
// MAYA_NODE_BUILDER:BEG [ATTRIBUTE CREATION] ==========
// a_inputPolymesh : This is a description for this attribute
a_inputPolymesh = tAttr.create("inputPolymesh", "ip", MFnData::kMesh, MObject::kNullObj, &stat);
MCHECKERR( stat, "cannot create MayaPolySmooth::inputPolymesh" );
stat = tAttr.setReadable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::inputPolymesh.setReadable()" );
stat = tAttr.setWritable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::inputPolymesh.setWritable()" );
stat = tAttr.setHidden(true);
MCHECKERR( stat, "cannot MayaPolySmooth::inputPolymesh.setHidden()" );
stat = addAttribute( a_inputPolymesh );
MCHECKERR( stat, "cannot MayaPolySmooth::addAttribute(a_inputPolymesh)" );
// a_output : This is a description for this attribute
a_output = tAttr.create("output", "out", MFnData::kMesh, MObject::kNullObj, &stat);
MCHECKERR( stat, "cannot create MayaPolySmooth::output" );
stat = tAttr.setReadable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::output.setReadable()" );
stat = tAttr.setWritable(false);
MCHECKERR( stat, "cannot MayaPolySmooth::output.setWritable()" );
stat = tAttr.setHidden(true);
MCHECKERR( stat, "cannot MayaPolySmooth::output.setHidden()" );
stat = addAttribute( a_output );
MCHECKERR( stat, "cannot MayaPolySmooth::addAttribute(a_output)" );
// a_subdivisionLevels : The number of recursive quad subdivisions to perform on each face.
a_subdivisionLevels = nAttr.create("subdivisionLevels", "sl", MFnNumericData::kInt, 0.0, &stat);
MCHECKERR( stat, "cannot create MayaPolySmooth::subdivisionLevels" );
stat = nAttr.setDefault(2);
MCHECKERR( stat, "cannot MayaPolySmooth::subdivisionLevels.setDefault(2)" );
stat = nAttr.setMin(0);
MCHECKERR( stat, "cannot MayaPolySmooth::subdivisionLevels.setMin(0)" );
stat = nAttr.setMax(10);
MCHECKERR( stat, "cannot MayaPolySmooth::subdivisionLevels.setMax(10)" );
stat = nAttr.setSoftMax(4);
MCHECKERR( stat, "cannot MayaPolySmooth::subdivisionLevels.setSoftMax(4)" );
stat = nAttr.setReadable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::subdivisionLevels.setReadable()" );
stat = nAttr.setWritable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::subdivisionLevels.setWritable()" );
stat = addAttribute( a_subdivisionLevels );
MCHECKERR( stat, "cannot MayaPolySmooth::addAttribute(a_subdivisionLevels)" );
// a_recommendedIsolation : The number of recursive quad subdivisions to perform on each face.
a_recommendedIsolation = nAttr.create("recommendedIsolation", "ri", MFnNumericData::kInt, 0.0, &stat);
MCHECKERR( stat, "cannot create MayaPolySmooth::recommendedIsolation" );
stat = nAttr.setDefault(2);
MCHECKERR( stat, "cannot MayaPolySmooth::recommendedIsolation.setDefault(0)" );
stat = nAttr.setMin(0);
MCHECKERR( stat, "cannot MayaPolySmooth::recommendedIsolation.setMin(0)" );
stat = nAttr.setMax(10);
MCHECKERR( stat, "cannot MayaPolySmooth::recommendedIsolation.setSoftMax(10)" );
stat = nAttr.setReadable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::recommendedIsolation.setReadable()" );
stat = nAttr.setWritable(false);
MCHECKERR( stat, "cannot MayaPolySmooth::recommendedIsolation.setWritable()" );
stat = nAttr.setHidden(false);
MCHECKERR( stat, "cannot MayaPolySmooth::recommendedIsolation.setHidden()" );
stat = addAttribute( a_recommendedIsolation );
MCHECKERR( stat, "cannot MayaPolySmooth::addAttribute(a_recommendedIsolation)" );
// a_vertBoundaryMethod : Controls how boundary edges and vertices are interpolated. <ul> <li>Smooth, Edges: Renderman: InterpolateBoundaryEdgeOnly</li> <li>Smooth, Edges and Corners: Renderman: InterpolateBoundaryEdgeAndCorner</li> </ul>
a_vertBoundaryMethod = eAttr.create("vertBoundaryMethod", "vbm", 0, &stat);
MCHECKERR( stat, "cannot create MayaPolySmooth::vertBoundaryMethod" );
stat = eAttr.addField("Interpolate Edges", k_BoundaryMethod_InterpolateBoundaryEdgeOnly);
MCHECKERR( stat, "cannot MayaPolySmooth::vertBoundaryMethod.addField(Interpolate Edges, k_BoundaryMethod_InterpolateBoundaryEdgeOnly)" );
stat = eAttr.addField("Interpolate Edges And Corners", k_BoundaryMethod_InterpolateBoundaryEdgeAndCorner);
MCHECKERR( stat, "cannot MayaPolySmooth::vertBoundaryMethod.addField(Interpolate Edges And Corners, k_BoundaryMethod_InterpolateBoundaryEdgeAndCorner)" );
stat = eAttr.setDefault(k_BoundaryMethod_InterpolateBoundaryEdgeOnly);
MCHECKERR( stat, "cannot MayaPolySmooth::vertBoundaryMethod.setDefault(k_BoundaryMethod_InterpolateBoundaryEdgeOnly)" );
stat = eAttr.setReadable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::vertBoundaryMethod.setReadable()" );
stat = eAttr.setWritable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::vertBoundaryMethod.setWritable()" );
stat = addAttribute( a_vertBoundaryMethod );
MCHECKERR( stat, "cannot MayaPolySmooth::addAttribute(a_vertBoundaryMethod)" );
// a_fvarBoundaryMethod : Controls how boundaries are treated for face-varying data (UVs and Vertex Colors). <ul> <li>Bi-linear (None): Renderman: InterpolateBoundaryNone</li> <li>Smooth, (Edge Only): Renderman: InterpolateBoundaryEdgeOnly</li> <li>Smooth, (Edges and Corners: Renderman: InterpolateBoundaryEdgeAndCorner</li> <li>Smooth, (ZBrush and Maya "Smooth Internal Only"): Renderman: InterpolateBoundaryAlwaysSharp</li> </ul>
a_fvarBoundaryMethod = eAttr.create("fvarBoundaryMethod", "fvbm", 0, &stat);
MCHECKERR( stat, "cannot create MayaPolySmooth::fvarBoundaryMethod" );
stat = eAttr.addField("Bi-linear (None)", k_BoundaryMethod_InterpolateBoundaryNone);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarBoundaryMethod.addField(Bi-linear (None), k_BoundaryMethod_InterpolateBoundaryNone)" );
stat = eAttr.addField("Smooth (Edge Only)", k_BoundaryMethod_InterpolateBoundaryEdgeOnly);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarBoundaryMethod.addField(Smooth (Edge Only), k_BoundaryMethod_InterpolateBoundaryEdgeOnly)" );
stat = eAttr.addField("Smooth (Edge and Corner)", k_BoundaryMethod_InterpolateBoundaryEdgeAndCorner);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarBoundaryMethod.addField(Smooth (Edge and Corner), k_BoundaryMethod_InterpolateBoundaryEdgeAndCorner)" );
stat = eAttr.addField("Smooth (Always Sharp)", k_BoundaryMethod_InterpolateBoundaryAlwaysSharp);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarBoundaryMethod.addField(Smooth (Always Sharp), k_BoundaryMethod_InterpolateBoundaryAlwaysSharp)" );
stat = eAttr.setDefault(k_BoundaryMethod_InterpolateBoundaryNone);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarBoundaryMethod.setDefault(k_BoundaryMethod_InterpolateBoundaryNone)" );
stat = eAttr.setReadable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarBoundaryMethod.setReadable()" );
stat = eAttr.setWritable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarBoundaryMethod.setWritable()" );
stat = addAttribute( a_fvarBoundaryMethod );
MCHECKERR( stat, "cannot MayaPolySmooth::addAttribute(a_fvarBoundaryMethod)" );
// a_fvarPropagateCorners :
a_fvarPropagateCorners = nAttr.create("fvarPropagateCorners", "fvpc", MFnNumericData::kBoolean, 0.0, &stat);
MCHECKERR( stat, "cannot create MayaPolySmooth::fvarPropagateCorners" );
stat = nAttr.setDefault(false);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarPropagateCorners.setDefault(false)" );
stat = nAttr.setReadable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarPropagateCorners.setReadable()" );
stat = nAttr.setWritable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::fvarPropagateCorners.setWritable()" );
stat = addAttribute( a_fvarPropagateCorners );
MCHECKERR( stat, "cannot MayaPolySmooth::addAttribute(a_fvarPropagateCorners)" );
// a_smoothTriangles : Apply a special subdivision rule be applied to all triangular faces that was empirically determined to make triangles subdivide more smoothly.
a_smoothTriangles = nAttr.create("smoothTriangles", "stri", MFnNumericData::kBoolean, 0.0, &stat);
MCHECKERR( stat, "cannot create MayaPolySmooth::smoothTriangles" );
stat = nAttr.setDefault(true);
MCHECKERR( stat, "cannot MayaPolySmooth::smoothTriangles.setDefault(true)" );
stat = nAttr.setReadable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::smoothTriangles.setReadable()" );
stat = nAttr.setWritable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::smoothTriangles.setWritable()" );
stat = addAttribute( a_smoothTriangles );
MCHECKERR( stat, "cannot MayaPolySmooth::addAttribute(a_smoothTriangles)" );
// a_creaseMethod : Controls how boundary edges and vertices are interpolated. <ul> <li>Normal</li> <li>Chaikin: Improves the appearance of multiedge creases with varying weight</li> </ul>
a_creaseMethod = eAttr.create("creaseMethod", "crm", 0, &stat);
MCHECKERR( stat, "cannot create MayaPolySmooth::creaseMethod" );
stat = eAttr.addField("Normal", k_creaseMethod_normal);
MCHECKERR( stat, "cannot MayaPolySmooth::creaseMethod.addField(Normal, k_creaseMethod_normal)" );
stat = eAttr.addField("Chaikin", k_creaseMethod_chaikin);
MCHECKERR( stat, "cannot MayaPolySmooth::creaseMethod.addField(Chaikin, k_creaseMethod_chaikin)" );
stat = eAttr.setDefault(0);
MCHECKERR( stat, "cannot MayaPolySmooth::creaseMethod.setDefault(0)" );
stat = eAttr.setReadable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::creaseMethod.setReadable()" );
stat = eAttr.setWritable(true);
MCHECKERR( stat, "cannot MayaPolySmooth::creaseMethod.setWritable()" );
stat = addAttribute( a_creaseMethod );
MCHECKERR( stat, "cannot MayaPolySmooth::addAttribute(a_creaseMethod)" );
// MAYA_NODE_BUILDER:END [ATTRIBUTE CREATION] ==========
// Set up a dependency between the input and the output. This will cause
// the output to be marked dirty when the input changes. The output will
// then be recomputed the next time the value of the output is requested.
//
// MAYA_NODE_BUILDER:BEG [ATTRIBUTE DEPENDS] ==========
stat = attributeAffects( a_creaseMethod, a_output );
MCHECKERR( stat, "cannot have attribute creaseMethod affect output" );
stat = attributeAffects( a_inputPolymesh, a_output );
MCHECKERR( stat, "cannot have attribute inputPolymesh affect output" );
stat = attributeAffects( a_subdivisionLevels, a_output );
MCHECKERR( stat, "cannot have attribute subdivisionLevels affect output" );
stat = attributeAffects( a_smoothTriangles, a_output );
MCHECKERR( stat, "cannot have attribute smoothTriangles affect output" );
stat = attributeAffects( a_fvarPropagateCorners, a_output );
MCHECKERR( stat, "cannot have attribute fvarPropagateCorners affect output" );
stat = attributeAffects( a_vertBoundaryMethod, a_output );
MCHECKERR( stat, "cannot have attribute vertBoundaryMethod affect output" );
stat = attributeAffects( a_fvarBoundaryMethod, a_output );
MCHECKERR( stat, "cannot have attribute fvarBoundaryMethod affect output" );
stat = attributeAffects( a_creaseMethod, a_recommendedIsolation );
MCHECKERR( stat, "cannot have attribute creaseMethod affect .si output" );
stat = attributeAffects( a_inputPolymesh, a_recommendedIsolation );
MCHECKERR( stat, "cannot have attribute inputPolymesh affect .si output" );
stat = attributeAffects( a_subdivisionLevels, a_recommendedIsolation );
MCHECKERR( stat, "cannot have attribute subdivisionLevels affect .si output" );
stat = attributeAffects( a_smoothTriangles, a_recommendedIsolation );
MCHECKERR( stat, "cannot have attribute smoothTriangles affect .si output" );
stat = attributeAffects( a_fvarPropagateCorners, a_recommendedIsolation );
MCHECKERR( stat, "cannot have attribute fvarPropagateCorners affect .si output" );
stat = attributeAffects( a_vertBoundaryMethod, a_recommendedIsolation );
MCHECKERR( stat, "cannot have attribute vertBoundaryMethod affect .si output" );
stat = attributeAffects( a_fvarBoundaryMethod, a_recommendedIsolation );
MCHECKERR( stat, "cannot have attribute fvarBoundaryMethod affect .si output" );
// MAYA_NODE_BUILDER:END [ATTRIBUTE DEPENDS] ==========
return MS::kSuccess;
}
MStatus VmIslandNode::initialize()
{
fprintf( stderr, "VmIslandNode::initialize()...\n" );
MStatus status;
//Seed attribute
{
MFnNumericAttribute numericAttrFn;
ia_seed = numericAttrFn.create( "seed", "sD", MFnNumericData::kLong, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 0 );
numericAttrFn.setMax( 1000 );
numericAttrFn.setDefault ( 0 );
status = addAttribute( ia_seed );
CHECK_MSTATUS( status );
}
//Roughness attribute
{
MFnNumericAttribute numericAttrFn;
ia_roughness = numericAttrFn.create( "roughness", "rG", MFnNumericData::kFloat, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 0 );
numericAttrFn.setMax( 1 );
numericAttrFn.setDefault ( 0.75 );
status = addAttribute( ia_roughness );
CHECK_MSTATUS( status );
}
//Plane Height attribute
{
MFnNumericAttribute numericAttrFn;
ia_planeHeight = numericAttrFn.create( "planeHeight", "pH", MFnNumericData::kLong, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 0 );
numericAttrFn.setMax( 2000 );
numericAttrFn.setDefault ( 5 );
status = addAttribute( ia_planeHeight );
CHECK_MSTATUS( status );
}
//Plane smoothing attribute
{
MFnNumericAttribute numericAttrFn;
ia_smooth = numericAttrFn.create( "smoothingStrength", "sS", MFnNumericData::kLong, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 0 );
numericAttrFn.setMax( 6 );
numericAttrFn.setDefault ( 1 );
status = addAttribute( ia_smooth );
CHECK_MSTATUS( status );
}
//Plane resolution attribute
{
MFnNumericAttribute numericAttrFn;
ia_resolution = numericAttrFn.create( "mayaResolution", "mR", MFnNumericData::kLong, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 1 );
numericAttrFn.setMax( 10 );
numericAttrFn.setDefault ( 1 );
status = addAttribute( ia_resolution );
CHECK_MSTATUS( status );
}
//Renderman resolution attribute
{
MFnNumericAttribute numericAttrFn;
ia_rmanResolution = numericAttrFn.create( "rendermanResolution", "rR", MFnNumericData::kLong, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 1 );
numericAttrFn.setMax( 10 );
numericAttrFn.setDefault ( 6 );
status = addAttribute( ia_rmanResolution );
CHECK_MSTATUS( status );
}
//Plane size attribute
{
MFnNumericAttribute numericAttrFn;
ia_planeSize = numericAttrFn.create( "planeSizeScale", "pS", MFnNumericData::kLong, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 1 );
numericAttrFn.setMax( 200 );
numericAttrFn.setDefault ( 20 );
status = addAttribute( ia_planeSize );
CHECK_MSTATUS( status );
}
//Plane size attribute
{
MFnNumericAttribute numericAttrFn;
ia_gridSize = numericAttrFn.create( "gridSize", "gS", MFnNumericData::kLong, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 1 );
numericAttrFn.setMax( 10 );
numericAttrFn.setDefault ( 1 );
status = addAttribute( ia_gridSize );
CHECK_MSTATUS( status );
}
//Grass multiplier - Affects how many instances are spawned
{
MFnNumericAttribute numericAttrFn;
ia_grassMultiplier = numericAttrFn.create( "grassInstanceMultiplier", "gM", MFnNumericData::kLong, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 1 );
numericAttrFn.setMax( 100 );
numericAttrFn.setDefault ( 1 );
status = addAttribute( ia_grassMultiplier );
CHECK_MSTATUS( status );
}
//Grass multiplier - Affects how many instances are spawned
{
MFnNumericAttribute numericAttrFn;
ia_baseWidth = numericAttrFn.create( "grassBaseWidth", "bW", MFnNumericData::kFloat, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 0.01f );
numericAttrFn.setMax( 2.0f );
numericAttrFn.setDefault ( 0.6f );
status = addAttribute( ia_baseWidth );
CHECK_MSTATUS( status );
}
//Grass segment length - Length of segment pieces
{
MFnNumericAttribute numericAttrFn;
ia_grassSegmentLength = numericAttrFn.create( "grassSegmentLength", "gSL", MFnNumericData::kFloat, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 0.001f );
numericAttrFn.setMax( 10.0f );
numericAttrFn.setDefault ( 1.0f );
status = addAttribute( ia_grassSegmentLength );
CHECK_MSTATUS( status );
}
//Number of segments per piece of grass
{
MFnNumericAttribute numericAttrFn;
ia_grassNumSegments = numericAttrFn.create( "numberOfGrassSegments", "nGS", MFnNumericData::kLong, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 3 );
numericAttrFn.setMax( 20 );
numericAttrFn.setDefault ( 5 );
status = addAttribute( ia_grassNumSegments );
CHECK_MSTATUS( status );
}
//Initial grass bend direction
{
MFnNumericAttribute numericAttrFn;
ia_windDirection = numericAttrFn.createPoint( "windDirection", "wDir");
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setDefault(1.0f, 0.0f, 1.0f);
status = addAttribute( ia_windDirection );
CHECK_MSTATUS( status );
}
//Grass bend factor
{
MFnNumericAttribute numericAttrFn;
ia_grassBendAmount = numericAttrFn.create( "grassBendFactor", "gBF", MFnNumericData::kFloat, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 0.0f );
numericAttrFn.setMax( 1.0f );
numericAttrFn.setDefault ( 0.0f );
status = addAttribute( ia_grassBendAmount );
CHECK_MSTATUS( status );
}
//Wind strength
{
MFnNumericAttribute numericAttrFn;
ia_windSpread = numericAttrFn.create( "windSpread", "wS", MFnNumericData::kFloat, 0, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 0.01f );
numericAttrFn.setMax( 10.0f );
numericAttrFn.setDefault ( 5.0f );
status = addAttribute( ia_windSpread );
CHECK_MSTATUS( status );
}
//Initial grass bend direction
{
MFnNumericAttribute numericAttrFn;
ia_grassBaseColour1 = numericAttrFn.createColor( "grassBaseColour1", "bCol1");
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setDefault(0.0f,0.251f,0.167f);
status = addAttribute( ia_grassBaseColour1 );
CHECK_MSTATUS( status );
}
//Initial grass bend direction
{
MFnNumericAttribute numericAttrFn;
ia_grassTipColour1 = numericAttrFn.createColor( "grassTipColour1", "tCol1");
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setDefault(0.395f,0.551f,0.257f);
status = addAttribute( ia_grassTipColour1 );
CHECK_MSTATUS( status );
}
//Initial grass bend direction
{
MFnNumericAttribute numericAttrFn;
ia_grassBaseColour2 = numericAttrFn.createColor( "grassBaseColour2", "bCol2");
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setDefault(0.275f,0.243f,0.043f);
status = addAttribute( ia_grassBaseColour2 );
CHECK_MSTATUS( status );
}
//Initial grass bend direction
{
MFnNumericAttribute numericAttrFn;
ia_grassTipColour2 = numericAttrFn.createColor( "grassTipColour2", "tCol2");
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( true );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setDefault(0.611f,0.587f,0.257f);
status = addAttribute( ia_grassTipColour2 );
CHECK_MSTATUS( status );
}
//Clock attribute. Passes maya frame counter into node
{
MFnNumericAttribute numericAttrFn;
ia_clock = numericAttrFn.create( "clock", "clk", MFnNumericData::kLong, false, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( false );
numericAttrFn.setKeyable( true );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( false );
numericAttrFn.setMin( 0 );
numericAttrFn.setDefault( 0 );
status = addAttribute( ia_clock );
CHECK_MSTATUS( status );
}
// "drawStyle"
//
// How we should draw in Maya.
//
// We will use this value in our Maya plug-in, but we
// will NOT use it in Renderman. Note elsewhere that
// this value will not be sent to Renderman, nor will
// it have any effect on RIB generation.
//
// We think of this as an input attribute - hence the
// prefix "ia_" for "input attribute".
{
MFnEnumAttribute enumAttrFn;
ia_drawStyle = enumAttrFn.create( "drawStyle", "ds", 1, & status );
CHECK_MSTATUS( status );
enumAttrFn.setReadable( true );
enumAttrFn.setWritable( true );
enumAttrFn.setStorable( true );
enumAttrFn.setKeyable( true );
enumAttrFn.setConnectable( true );
enumAttrFn.setHidden( false );
enumAttrFn.addField( "Bounds", 0 );
enumAttrFn.addField( "Sub bounds", 1 );
enumAttrFn.addField( "Geometry", 2 );
enumAttrFn.addField( "Terrain slope normals", 3 );
enumAttrFn.addField( "Point instances", 4 );
enumAttrFn.addField( "Wind Velocity", 5 );
enumAttrFn.addField( "All", 6 );
enumAttrFn.setDefault(3);
status = addAttribute( ia_drawStyle );
CHECK_MSTATUS( status );
}
// "update"
//
// A 'dummy' attribute, and a powerful one. Although
// the value of this attribute is actually meaningless,
// when we ask for it we trigger an important computation
// processs.
//
// We think of this as an input attribute - hence the
// prefix "oa_" for "computation attribute". This signifies
// that we don't really care about it's final value, but
// that we know it's going to compute a lot of stuff.
{
MFnNumericAttribute numericAttrFn;
oa_update = numericAttrFn.create( "update", "upd", MFnNumericData::kBoolean, false, & status );
CHECK_MSTATUS( status );
numericAttrFn.setReadable( true );
numericAttrFn.setWritable( true );
numericAttrFn.setStorable( false );
numericAttrFn.setKeyable( false );
numericAttrFn.setConnectable( true );
numericAttrFn.setHidden( true );
status = addAttribute( oa_update );
CHECK_MSTATUS( status );
}
// "rib"
//
// A string which contains all the attributes, and that
// we need to have (and indeed will see again) on the
// Renderman side of things.
//
// We think of this as an output attribute - hence the
// prefix "oa_" for "output attribute". The value
// computed for this attribute (the string) is important,
// an is used by whatever is asking for it.
{
MFnTypedAttribute typedAttrFn;
oa_rib = typedAttrFn.create( "rib", "rb", MFnData::kString, MObject::kNullObj, & status );
CHECK_MSTATUS( status );
typedAttrFn.setReadable( true );
typedAttrFn.setWritable( true );
typedAttrFn.setStorable( false );
typedAttrFn.setKeyable( false );
typedAttrFn.setConnectable( true );
typedAttrFn.setHidden( true );
status = addAttribute( oa_rib );
CHECK_MSTATUS( status );
}
// This section tells Maya what attribute effects
// which attribute. When input attributes change,
// make the attributes they effect "dirty". That
// means that, when Maya asks for a dirty attribute,
// it will need to be computed and "cleaned".
//
// Changing an effecting "input" attribute does not
// trigger a computation of it's effected "output"
// attribute. It just tells Maya that - if the effected
// attribute is ever asked for, it will have to call
// the compute method to calculate it.
//
// For complex relationships between attributes,
// an attributeEffects() call must exist for each
// relationship. If A effects B, and B effects C,
// then we will need to make two attributeEffects()
// calls - one for A effecting B and one for B
// effecting C. Maya will not figure out that, if A
// effects B, and B effets C, then A must effect C.
//
// Below we see that most "input" attributes effect
// both our internal update and the rib generation
// the same way in each case. But it's not always
// exactly the same like this.
//
// Notice also that ia_drawStyle does not effect
// any of the attributes. It's something that's just
// used in the draw method.
attributeAffects( ia_seed, oa_update );
attributeAffects( ia_seed, oa_rib );
attributeAffects( ia_roughness, oa_update );
attributeAffects( ia_roughness, oa_rib );
attributeAffects( ia_smooth, oa_update );
attributeAffects( ia_smooth, oa_rib );
attributeAffects( ia_planeHeight, oa_update );
attributeAffects( ia_planeHeight, oa_rib );
attributeAffects( ia_resolution, oa_update );
attributeAffects( ia_rmanResolution, oa_rib );
attributeAffects( ia_planeSize, oa_update );
attributeAffects( ia_planeSize, oa_rib );
attributeAffects( ia_gridSize, oa_update );
attributeAffects( ia_gridSize, oa_rib );
attributeAffects( ia_grassMultiplier, oa_update );
attributeAffects( ia_grassMultiplier, oa_rib );
attributeAffects( ia_baseWidth, oa_update );
attributeAffects( ia_baseWidth, oa_rib );
attributeAffects( ia_grassSegmentLength, oa_update );
attributeAffects( ia_grassSegmentLength, oa_rib );
attributeAffects( ia_grassNumSegments, oa_update );
attributeAffects( ia_grassNumSegments, oa_rib );
attributeAffects( ia_grassBendAmount, oa_update );
attributeAffects( ia_grassBendAmount, oa_rib );
attributeAffects( ia_windDirection, oa_update );
attributeAffects( ia_windDirection, oa_rib );
attributeAffects( ia_windSpread, oa_update );
attributeAffects( ia_windSpread, oa_rib );
attributeAffects( ia_clock, oa_update );
attributeAffects( ia_clock, oa_rib );
attributeAffects( ia_grassBaseColour1, oa_update);
attributeAffects( ia_grassBaseColour1, oa_rib);
attributeAffects( ia_grassTipColour1, oa_update);
attributeAffects( ia_grassTipColour1, oa_rib);
attributeAffects( ia_grassBaseColour2, oa_update);
attributeAffects( ia_grassBaseColour2, oa_rib);
attributeAffects( ia_grassTipColour2, oa_update);
attributeAffects( ia_grassTipColour2, oa_rib);
fprintf( stderr, "VmIslandNode::initialize() done\n" );
return MStatus::kSuccess;
}
