507 lines
15 KiB
Python
507 lines
15 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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"""
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_____ _____ ______ _____ ______
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/ ____| __ \| ____| /\ / ____| ____|_
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| | | |__) | |__ / \ | (___ | |__ _| |_
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| | | _ /| __| / /\ \ \___ \| __|_ _|
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| |____| | \ \| |____ / ____ \ ____) | |____|_|
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\_____|_| \_\______/_/ \_\_____/|______|
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"""
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# import maya.cmds as mc
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import maya.api.OpenMaya as om
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# import copy
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# uses python maya 2
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maya_useNewAPI = True
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#################
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def cPhardEdgeIds(mesh):
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edgeIter = om.MItMeshEdge(mesh)
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ids = []
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while not edgeIter.isDone():
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if not edgeIter.isSmooth:
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ids.append(edgeIter.index())
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edgeIter.next()
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return ids
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def cPcompToIds(compdata, cptyp):
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compDataFn = om.MFnComponentListData(compdata)
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# compDataFn
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ids = []
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for i in range(compDataFn.length()):
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curcomp = compDataFn.get(i)
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if curcomp.hasFn(cptyp):
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sic = om.MFnSingleIndexedComponent(curcomp)
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for j in range(sic.elementCount):
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curIdx = sic.element(j)
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ids.append(curIdx)
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return ids
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def cPidsToComp(ids, cptyp):
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sic = om.MFnSingleIndexedComponent()
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sic.create(cptyp) # om.MFn.kMeshEdgeComponent
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sic.addElements(ids)
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compData = om.MFnComponentListData()
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compObj = compData.create()
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compData.add(sic.object())
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return (sic.object(), compObj)
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def cPtransformMeshPoints(mesh, mat):
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meshFn = om.MFnMesh(mesh)
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pts = meshFn.getPoints()
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for pt in pts:
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pt *= mat
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meshFn.setPoints(pts)
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"""
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input: mesh
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output: componentlist
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"""
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MayaNodeT = om.MPxNode
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class CpCurveBevel(MayaNodeT):
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kNodeName = "creasePlusCurveBevel"
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kNodeId = om.MTypeId(0x1154)
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aCvs = None
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aOffset = None
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aSeg = None
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aOffsetFrac = None
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aInputCurve = None
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aOutput = None
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def __init__(self):
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super(CpCurveBevel, self).__init__()
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@classmethod
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def creator(cls):
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return cls()
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@classmethod
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def initialize(cls):
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nAttr = om.MFnNumericAttribute()
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tAttr = om.MFnTypedAttribute()
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cls.aCvs = tAttr.create("cvComponentList", "cvs",
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om.MFnComponentListData.kComponentList)
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cls.aOffset = nAttr.create("offset", "off", om.MFnNumericData.kFloat)
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nAttr.setMin(0)
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nAttr.default = 0.5
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nAttr.keyable = True
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cls.aSeg = nAttr.create("segments", "seg", om.MFnNumericData.kInt)
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nAttr.setMin(1)
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nAttr.default = 1
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nAttr.keyable = True
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cls.aOffsetFrac = nAttr.create("offsetAsFraction", "oaf",
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om.MFnNumericData.kBoolean)
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nAttr.default = False
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nAttr.keyable = True
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cls.aInputCurve = tAttr.create("inCurve", "inc",
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om.MFnData.kNurbsCurve)
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cls.aOutput = tAttr.create("outCurve", "out", om.MFnData.kNurbsCurve)
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tAttr.storable = False
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tAttr.writable = False
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MayaNodeT.addAttribute(cls.aCvs)
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MayaNodeT.addAttribute(cls.aOffset)
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MayaNodeT.addAttribute(cls.aSeg)
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MayaNodeT.addAttribute(cls.aOffsetFrac)
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MayaNodeT.addAttribute(cls.aInputCurve)
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MayaNodeT.addAttribute(cls.aOutput)
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MayaNodeT.attributeAffects(cls.aCvs, cls.aOutput)
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MayaNodeT.attributeAffects(cls.aOffset, cls.aOutput)
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MayaNodeT.attributeAffects(cls.aSeg, cls.aOutput)
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MayaNodeT.attributeAffects(cls.aOffsetFrac, cls.aOutput)
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MayaNodeT.attributeAffects(cls.aInputCurve, cls.aOutput)
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def setOutputToCopy(self, data):
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inCurveHandle = data.inputValue(CpCurveBevel.aInputCurve)
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outHandle = data.outputValue(CpCurveBevel.aOutput)
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outHandle.copy(inCurveHandle)
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outHandle.setClean()
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def compute(self, plug, data):
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if plug != CpCurveBevel.aOutput:
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return None
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inCurveHandle = data.inputValue(CpCurveBevel.aInputCurve)
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inCurve = inCurveHandle.asNurbsCurveTransformed()
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inCvsHandle = data.inputValue(CpCurveBevel.aCvs)
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compData = inCvsHandle.data()
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ids = cPcompToIds(compData, om.MFn.kCurveCVComponent)
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#
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inOffset = data.inputValue(CpCurveBevel.aOffset).asFloat()
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inSeg = data.inputValue(CpCurveBevel.aSeg).asInt()
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inFrac = data.inputValue(CpCurveBevel.aOffsetFrac).asBool()
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if len(ids) == 0 or inOffset == 0:
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self.setOutputToCopy(data)
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return
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curveFn = om.MFnNurbsCurve(inCurve)
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curveDegree = curveFn.degree
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curveForm = curveFn.form
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# curveKnots = curveFn.knots()
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curvePts = curveFn.cvPositions() # to be modified
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numcv = len(curvePts) # to be modified
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bevelParam = 1 / float(inSeg)
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bevelPts = []
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ids.sort()
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for cvIdx in ids:
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mpos = om.MVector(curvePts[cvIdx])
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if curveForm == curveFn.kPeriodic:
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lpos = om.MVector(curvePts[(cvIdx + numcv -
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(1 + curveDegree)) %
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(numcv - curveDegree)])
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rpos = om.MVector(curvePts[(cvIdx + 1) %
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(numcv - curveDegree)])
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else:
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lpos = om.MVector(curvePts[(cvIdx + numcv - 1) % numcv])
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rpos = om.MVector(curvePts[(cvIdx + 1) % numcv])
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lvec = lpos - mpos
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rvec = rpos - mpos
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lanchor = None
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ranchor = None
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if inFrac:
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lanchor = mpos + (inOffset * lvec)
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ranchor = mpos + (inOffset * rvec)
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else:
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lanchor = mpos + (inOffset * lvec.normal())
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ranchor = mpos + (inOffset * rvec.normal())
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bevelPts.append(lanchor)
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t = 1 * bevelParam
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for i in range(inSeg - 1):
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# (1-t)^2A+2t(1-t)B+t^2C
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res = (1 - t)**2 * lanchor + (2 * t * (1 - t) * mpos) + (
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t**2 * ranchor)
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bevelPts.append(res)
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t += bevelParam
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bevelPts.append(ranchor)
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#
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i = len(bevelPts) - (inSeg + 1)
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ids.sort(reverse=True)
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for cvIdx in ids:
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curvePts[cvIdx] = bevelPts[i]
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curvePts[cvIdx + 1:cvIdx + 1] = bevelPts[i + 1:i + inSeg + 1]
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i -= (inSeg + 1)
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numcv = len(curvePts)
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if curveForm == curveFn.kPeriodic:
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curvePts[-curveDegree:] = curvePts[:curveDegree]
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if curveDegree == 1:
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knots = [float(i) for i in range(numcv)]
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else:
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knots = [None] * (numcv - curveDegree + (2 * curveDegree) - 1)
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if curveForm == curveFn.kPeriodic:
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knots[:curveDegree] = [
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float(i) for i in reversed(range(0, -curveDegree, -1))
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]
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knots[curveDegree:] = [
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float(i) for i in range(1,
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len(knots) - curveDegree + 1)
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]
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else:
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knots[:curveDegree] = [float(0)] * curveDegree
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knots[-curveDegree:] = [float(numcv - curveDegree)
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] * curveDegree
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knots[curveDegree:-curveDegree] = [
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float(i)
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for i in range(1,
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len(knots) - (2 * curveDegree) + 1)
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]
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curveDataFn = om.MFnNurbsCurveData()
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curveDataFn.create()
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knots = om.MDoubleArray(knots)
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curveFn.create(
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curvePts,
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knots,
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curveDegree,
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curveForm,
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False,
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False,
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parent=curveDataFn.object())
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out = data.outputValue(CpCurveBevel.aOutput)
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out.setMObject(curveDataFn.object())
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out.setClean()
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class CpCurveToPoly(MayaNodeT):
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kNodeName = "creasePlusCurveToPoly"
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kNodeId = om.MTypeId(0x12547)
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aCount = None
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aRevNorm = None
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aControlPts = None
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aInputCurve = None
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aOutput = None
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def __init__(self):
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super(CpCurveToPoly, self).__init__()
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@classmethod
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def creator(cls):
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return cls()
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@classmethod
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def initialize(cls):
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nAttr = om.MFnNumericAttribute()
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tAttr = om.MFnTypedAttribute()
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cls.aRevNorm = nAttr.create("reverse", "rev",
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om.MFnNumericData.kBoolean)
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nAttr.default = False
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nAttr.keyable = True
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cls.aCount = nAttr.create("count", "cnt", om.MFnNumericData.kInt)
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nAttr.setMin(3)
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nAttr.default = 12
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nAttr.keyable = True
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cls.aControlPts = nAttr.create("controlPts", "cv",
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om.MFnNumericData.kBoolean)
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nAttr.default = True
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nAttr.keyable = True
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cls.aInputCurve = tAttr.create("inCurve", "inc",
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om.MFnData.kNurbsCurve)
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cls.aOutput = tAttr.create("outPoly", "out", om.MFnData.kMesh)
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tAttr.storable = False
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tAttr.writable = False
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MayaNodeT.addAttribute(cls.aRevNorm)
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MayaNodeT.addAttribute(cls.aCount)
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MayaNodeT.addAttribute(cls.aControlPts)
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MayaNodeT.addAttribute(cls.aInputCurve)
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MayaNodeT.addAttribute(cls.aOutput)
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MayaNodeT.attributeAffects(cls.aRevNorm, cls.aOutput)
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MayaNodeT.attributeAffects(cls.aCount, cls.aOutput)
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MayaNodeT.attributeAffects(cls.aControlPts, cls.aOutput)
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MayaNodeT.attributeAffects(cls.aInputCurve, cls.aOutput)
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def setOutputToNull(self, data):
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out = data.outputValue(CpCurveToPoly.aOutput)
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out.setMObject(om.MObject.kNullObj)
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out.setClean()
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def compute(self, plug, data):
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if plug != CpCurveToPoly.aOutput:
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return None
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reverseNormal = data.inputValue(CpCurveToPoly.aRevNorm).asBool()
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inCurveHandle = data.inputValue(CpCurveToPoly.aInputCurve)
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inCurve = inCurveHandle.asNurbsCurveTransformed()
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inCount = data.inputValue(CpCurveToPoly.aCount).asInt() #
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useCvs = data.inputValue(CpCurveToPoly.aControlPts).asBool()
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curveFn = om.MFnNurbsCurve(inCurve)
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curveForm = curveFn.form
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curveDegree = curveFn.degree
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polyPts = None
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meshDataFn = om.MFnMeshData()
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meshDataFn.create()
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if useCvs:
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if curveForm == curveFn.kPeriodic:
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polyPts = curveFn.cvPositions()[:-curveDegree]
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else:
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polyPts = curveFn.cvPositions()
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else:
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polyPts = []
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domain = curveFn.knotDomain
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param = domain[1] / float(inCount)
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t = 0.0
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for i in range(inCount):
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polyPts.append(curveFn.getPointAtParam(t))
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t += param
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if reverseNormal:
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polyPts = [pt for pt in reversed(polyPts)]
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# create(vertices, polygonCounts, polygonConnects, uValues=None, vValues=None, parent=kNullObj) -> MObject
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meshFn = om.MFnMesh()
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meshFn.create(
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polyPts, [len(polyPts)], [i for i in range(len(polyPts))],
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parent=meshDataFn.object())
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|
|
out = data.outputValue(CpCurveToPoly.aOutput)
|
||
|
|
out.setMObject(meshDataFn.object())
|
||
|
|
out.setClean()
|
||
|
|
|
||
|
|
|
||
|
|
class CpHeIds(MayaNodeT):
|
||
|
|
|
||
|
|
kNodeName = "creasePlusBevelHe"
|
||
|
|
kNodeId = om.MTypeId(0x1157)
|
||
|
|
|
||
|
|
aForceComp = None
|
||
|
|
aInputMesh = None
|
||
|
|
aIds = None
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
|
||
|
|
super(CpHeIds, self).__init__()
|
||
|
|
|
||
|
|
self.numVertices = 0
|
||
|
|
self.numPolygons = 0
|
||
|
|
self.numNormals = 0
|
||
|
|
self.dummycompute = False
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def creator(cls):
|
||
|
|
return cls()
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def initialize(cls):
|
||
|
|
tAttr = om.MFnTypedAttribute()
|
||
|
|
nAttr = om.MFnNumericAttribute()
|
||
|
|
|
||
|
|
cls.aForceComp = nAttr.create("forceCompute", "fc",
|
||
|
|
om.MFnNumericData.kBoolean, 0)
|
||
|
|
nAttr.default = False
|
||
|
|
nAttr.keyable = True
|
||
|
|
|
||
|
|
cls.aInputMesh = tAttr.create("inMesh", "i", om.MFnData.kMesh)
|
||
|
|
|
||
|
|
cls.aIds = tAttr.create("componentList", "cl",
|
||
|
|
om.MFnComponentListData.kComponentList)
|
||
|
|
tAttr.storable = False
|
||
|
|
tAttr.writable = False
|
||
|
|
|
||
|
|
MayaNodeT.addAttribute(cls.aForceComp)
|
||
|
|
MayaNodeT.addAttribute(cls.aInputMesh)
|
||
|
|
MayaNodeT.addAttribute(cls.aIds)
|
||
|
|
|
||
|
|
def attrToPlug(self, attr):
|
||
|
|
return om.MPlug(self.thisMObject(), attr)
|
||
|
|
|
||
|
|
def setDependentsDirty(self, plug, affect):
|
||
|
|
|
||
|
|
if plug == CpHeIds.aForceComp:
|
||
|
|
if self.dummycompute == False:
|
||
|
|
self.dummycompute = True
|
||
|
|
affect.append(self.attrToPlug(CpHeIds.aIds))
|
||
|
|
else:
|
||
|
|
self.dummycompute = False
|
||
|
|
elif plug == CpHeIds.aInputMesh:
|
||
|
|
affect.append(self.attrToPlug(CpHeIds.aIds))
|
||
|
|
|
||
|
|
def compute(self, plug, data):
|
||
|
|
if plug != CpHeIds.aIds:
|
||
|
|
return None
|
||
|
|
|
||
|
|
doingit = False
|
||
|
|
|
||
|
|
data.inputValue(CpHeIds.aForceComp)
|
||
|
|
inMeshHandle = data.inputValue(CpHeIds.aInputMesh)
|
||
|
|
inmesh = inMeshHandle.asMesh()
|
||
|
|
meshFn = om.MFnMesh(inmesh)
|
||
|
|
|
||
|
|
if self.dummycompute == True:
|
||
|
|
doingit = True
|
||
|
|
elif (self.numVertices != meshFn.numVertices
|
||
|
|
or self.numPolygons != meshFn.numPolygons
|
||
|
|
or self.numNormals != meshFn.numNormals):
|
||
|
|
doingit = True
|
||
|
|
|
||
|
|
if doingit == True:
|
||
|
|
heIds = cPhardEdgeIds(inmesh)
|
||
|
|
compObj = cPidsToComp(heIds, om.MFn.kMeshEdgeComponent)[1]
|
||
|
|
|
||
|
|
outIdsHandle = data.outputValue(CpHeIds.aIds)
|
||
|
|
outIdsHandle.setMObject(compObj)
|
||
|
|
outIdsHandle.setClean()
|
||
|
|
|
||
|
|
if self.dummycompute == True:
|
||
|
|
forceCompplug = self.attrToPlug(CpHeIds.aForceComp)
|
||
|
|
forceCompplug.setBool(False)
|
||
|
|
|
||
|
|
|
||
|
|
def initializePlugin(obj):
|
||
|
|
|
||
|
|
mplugin = om.MFnPlugin(obj, "Baidhir Hidair", "1.0")
|
||
|
|
|
||
|
|
nodeName = None
|
||
|
|
|
||
|
|
try:
|
||
|
|
nodeName = CpHeIds.kNodeName
|
||
|
|
mplugin.registerNode(CpHeIds.kNodeName, CpHeIds.kNodeId,
|
||
|
|
CpHeIds.creator, CpHeIds.initialize)
|
||
|
|
|
||
|
|
nodeName = CpCurveBevel.kNodeName
|
||
|
|
mplugin.registerNode(CpCurveBevel.kNodeName, CpCurveBevel.kNodeId,
|
||
|
|
CpCurveBevel.creator, CpCurveBevel.initialize)
|
||
|
|
|
||
|
|
nodeName = CpCurveToPoly.kNodeName
|
||
|
|
mplugin.registerNode(CpCurveToPoly.kNodeName, CpCurveToPoly.kNodeId,
|
||
|
|
CpCurveToPoly.creator, CpCurveToPoly.initialize)
|
||
|
|
|
||
|
|
except:
|
||
|
|
raise Exception('failed to register node: ' + nodeName)
|
||
|
|
|
||
|
|
|
||
|
|
def uninitializePlugin(obj):
|
||
|
|
|
||
|
|
mplugin = om.MFnPlugin(obj)
|
||
|
|
|
||
|
|
nodeName = None
|
||
|
|
|
||
|
|
try:
|
||
|
|
nodeName = CpHeIds.kNodeName
|
||
|
|
mplugin.deregisterNode(CpHeIds.kNodeId)
|
||
|
|
|
||
|
|
nodeName = CpCurveBevel.kNodeName
|
||
|
|
mplugin.deregisterNode(CpCurveBevel.kNodeId)
|
||
|
|
|
||
|
|
nodeName = CpCurveToPoly.kNodeName
|
||
|
|
mplugin.deregisterNode(CpCurveToPoly.kNodeId)
|
||
|
|
|
||
|
|
except:
|
||
|
|
raise Exception('failed to deregister node: ' + nodeName)
|