From 1881beb8b12028a37ef34e7e746555c3707a9150 Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Thu, 5 Sep 2019 15:18:40 +1000 Subject: [PATCH] Cleanup: use unix line endings --- curve_assign_shapekey.py | 2206 +++++++++++++++++++++++----------------------- 1 file changed, 1103 insertions(+), 1103 deletions(-) diff --git a/curve_assign_shapekey.py b/curve_assign_shapekey.py index 3fe88475..864b9643 100644 --- a/curve_assign_shapekey.py +++ b/curve_assign_shapekey.py @@ -1,1103 +1,1103 @@ -# -# -# This Blender add-on assigns one or more Bezier Curves as shape keys to another -# Bezier Curve -# -# Supported Blender Version: 2.80 Beta -# -# Copyright (C) 2019 Shrinivas Kulkarni -# -# License: MIT (https://github.com/Shriinivas/assignshapekey/blob/master/LICENSE) -# - -import bpy, bmesh, bgl, gpu -from gpu_extras.batch import batch_for_shader -from bpy.props import BoolProperty, EnumProperty -from collections import OrderedDict -from mathutils import Vector -from math import sqrt, floor -from functools import cmp_to_key - - -bl_info = { - "name": "Assign Shape Keys", - "author": "Shrinivas Kulkarni", - "version": (1, 0, 0), - "location": "Properties > Active Tool and Workspace Settings > Assign Shape Keys", - "description": "Assigns one or more Bezier curves as shape keys to another Bezier curve", - "category": "Object", - "wiki_url": "https://github.com/Shriinivas/assignshapekey/blob/master/README.md", - "blender": (2, 80, 0), -} - -matchList = [('vCnt', 'Vertex Count', 'Match by vertex count'), - ('bbArea', 'Area', 'Match by surface area of the bounding box'), \ - ('bbHeight', 'Height', 'Match by bounding box height'), \ - ('bbWidth', 'Width', 'Match by bounding box width'), - ('bbDepth', 'Depth', 'Match by bounding box depth'), - ('minX', 'Min X', 'Match by bounding bon Min X'), - ('maxX', 'Max X', 'Match by bounding bon Max X'), - ('minY', 'Min Y', 'Match by bounding bon Min Y'), - ('maxY', 'Max Y', 'Match by bounding bon Max Y'), - ('minZ', 'Min Z', 'Match by bounding bon Min Z'), - ('maxZ', 'Max Z', 'Match by bounding bon Max Z')] - -DEF_ERR_MARGIN = 0.0001 - -def isBezier(obj): - return obj.type == 'CURVE' and len(obj.data.splines) > 0 \ - and obj.data.splines[0].type == 'BEZIER' - -#Avoid errors due to floating point conversions/comparisons -#TODO: return -1, 0, 1 -def floatCmpWithMargin(float1, float2, margin = DEF_ERR_MARGIN): - return abs(float1 - float2) < margin - -def vectCmpWithMargin(v1, v2, margin = DEF_ERR_MARGIN): - return all(floatCmpWithMargin(v1[i], v2[i], margin) for i in range(0, len(v1))) - -class Segment(): - - #pts[0] - start, pts[1] - ctrl1, pts[2] - ctrl2, , pts[3] - end - def pointAtT(pts, t): - return pts[0] + t * (3 * (pts[1] - pts[0]) + - t* (3 * (pts[0] + pts[2]) - 6 * pts[1] + - t * (-pts[0] + 3 * (pts[1] - pts[2]) + pts[3]))) - - def getSegLenRecurs(pts, start, end, t1 = 0, t2 = 1, error = DEF_ERR_MARGIN): - t1_5 = (t1 + t2)/2 - mid = Segment.pointAtT(pts, t1_5) - l = (end - start).length - l2 = (mid - start).length + (end - mid).length - if (l2 - l > error): - return (Segment.getSegLenRecurs(pts, start, mid, t1, t1_5, error) + - Segment.getSegLenRecurs(pts, mid, end, t1_5, t2, error)) - return l2 - - def __init__(self, start, ctrl1, ctrl2, end): - self.start = start - self.ctrl1 = ctrl1 - self.ctrl2 = ctrl2 - self.end = end - pts = [start, ctrl1, ctrl2, end] - self.length = Segment.getSegLenRecurs(pts, start, end) - - #see https://stackoverflow.com/questions/878862/drawing-part-of-a-b%c3%a9zier-curve-by-reusing-a-basic-b%c3%a9zier-curve-function/879213#879213 - def partialSeg(self, t0, t1): - pts = [self.start, self.ctrl1, self.ctrl2, self.end] - - if(t0 > t1): - tt = t1 - t1 = t0 - t0 = tt - - #Let's make at least the line segments of predictable length :) - if(pts[0] == pts[1] and pts[2] == pts[3]): - pt0 = Vector([(1 - t0) * pts[0][i] + t0 * pts[2][i] for i in range(0, 3)]) - pt1 = Vector([(1 - t1) * pts[0][i] + t1 * pts[2][i] for i in range(0, 3)]) - return Segment(pt0, pt0, pt1, pt1) - - u0 = 1.0 - t0 - u1 = 1.0 - t1 - - qa = [pts[0][i]*u0*u0 + pts[1][i]*2*t0*u0 + pts[2][i]*t0*t0 for i in range(0, 3)] - qb = [pts[0][i]*u1*u1 + pts[1][i]*2*t1*u1 + pts[2][i]*t1*t1 for i in range(0, 3)] - qc = [pts[1][i]*u0*u0 + pts[2][i]*2*t0*u0 + pts[3][i]*t0*t0 for i in range(0, 3)] - qd = [pts[1][i]*u1*u1 + pts[2][i]*2*t1*u1 + pts[3][i]*t1*t1 for i in range(0, 3)] - - pta = Vector([qa[i]*u0 + qc[i]*t0 for i in range(0, 3)]) - ptb = Vector([qa[i]*u1 + qc[i]*t1 for i in range(0, 3)]) - ptc = Vector([qb[i]*u0 + qd[i]*t0 for i in range(0, 3)]) - ptd = Vector([qb[i]*u1 + qd[i]*t1 for i in range(0, 3)]) - - return Segment(pta, ptb, ptc, ptd) - - #see https://stackoverflow.com/questions/24809978/calculating-the-bounding-box-of-cubic-bezier-curve - #(3 D - 9 C + 9 B - 3 A) t^2 + (6 A - 12 B + 6 C) t + 3 (B - A) - #pts[0] - start, pts[1] - ctrl1, pts[2] - ctrl2, , pts[3] - end - #TODO: Return Vectors to make world space calculations consistent - def bbox(self, mw = None): - def evalBez(AA, BB, CC, DD, t): - return AA * (1 - t) * (1 - t) * (1 - t) + \ - 3 * BB * t * (1 - t) * (1 - t) + \ - 3 * CC * t * t * (1 - t) + \ - DD * t * t * t - - A = self.start - B = self.ctrl1 - C = self.ctrl2 - D = self.end - - if(mw != None): - A = mw @ A - B = mw @ B - C = mw @ C - D = mw @ D - - MINXYZ = [min([A[i], D[i]]) for i in range(0, 3)] - MAXXYZ = [max([A[i], D[i]]) for i in range(0, 3)] - leftBotBack_rgtTopFront = [MINXYZ, MAXXYZ] - - a = [3 * D[i] - 9 * C[i] + 9 * B[i] - 3 * A[i] for i in range(0, 3)] - b = [6 * A[i] - 12 * B[i] + 6 * C[i] for i in range(0, 3)] - c = [3 * (B[i] - A[i]) for i in range(0, 3)] - - solnsxyz = [] - for i in range(0, 3): - solns = [] - if(a[i] == 0): - if(b[i] == 0): - solns.append(0)#Independent of t so lets take the starting pt - else: - solns.append(c[i] / b[i]) - else: - rootFact = b[i] * b[i] - 4 * a[i] * c[i] - if(rootFact >=0 ): - #Two solutions with + and - sqrt - solns.append((-b[i] + sqrt(rootFact)) / (2 * a[i])) - solns.append((-b[i] - sqrt(rootFact)) / (2 * a[i])) - solnsxyz.append(solns) - - for i, soln in enumerate(solnsxyz): - for j, t in enumerate(soln): - if(t < 1 and t > 0): - co = evalBez(A[i], B[i], C[i], D[i], t) - if(co < leftBotBack_rgtTopFront[0][i]): - leftBotBack_rgtTopFront[0][i] = co - if(co > leftBotBack_rgtTopFront[1][i]): - leftBotBack_rgtTopFront[1][i] = co - - return leftBotBack_rgtTopFront - - -class Part(): - def __init__(self, parent, segs, isClosed): - self.parent = parent - self.segs = segs - - #use_cyclic_u - self.isClosed = isClosed - - #Indicates if this should be closed based on its counterparts in other paths - self.toClose = isClosed - - self.length = sum(seg.length for seg in self.segs) - self.bbox = None - self.bboxWorldSpace = None - - def getSeg(self, idx): - return self.segs[idx] - - def getSegs(self): - return self.segs - - def getSegsCopy(self, start, end): - if(start == None): - start = 0 - if(end == None): - end = len(self.segs) - return self.segs[start:end] - - def getBBox(self, worldSpace): - #Avoid frequent calculations, as this will be called in compare method - if(not worldSpace and self.bbox != None): - return self.bbox - - if(worldSpace and self.bboxWorldSpace != None): - return self.bboxWorldSpace - - leftBotBack_rgtTopFront = [[None]*3,[None]*3] - - for seg in self.segs: - - if(worldSpace): - bb = seg.bbox(self.parent.curve.matrix_world) - else: - bb = seg.bbox() - - for i in range(0, 3): - if (leftBotBack_rgtTopFront[0][i] == None or \ - bb[0][i] < leftBotBack_rgtTopFront[0][i]): - leftBotBack_rgtTopFront[0][i] = bb[0][i] - - for i in range(0, 3): - if (leftBotBack_rgtTopFront[1][i] == None or \ - bb[1][i] > leftBotBack_rgtTopFront[1][i]): - leftBotBack_rgtTopFront[1][i] = bb[1][i] - - if(worldSpace): - self.bboxWorldSpace = leftBotBack_rgtTopFront - else: - self.bbox = leftBotBack_rgtTopFront - - return leftBotBack_rgtTopFront - - #private - def getBBDiff(self, axisIdx, worldSpace): - obj = self.parent.curve - bbox = self.getBBox(worldSpace) - diff = abs(bbox[1][axisIdx] - bbox[0][axisIdx]) - return diff - - def getBBWidth(self, worldSpace): - return self.getBBDiff(0, worldSpace) - - def getBBHeight(self, worldSpace): - return self.getBBDiff(1, worldSpace) - - def getBBDepth(self, worldSpace): - return self.getBBDiff(2, worldSpace) - - def bboxSurfaceArea(self, worldSpace): - leftBotBack_rgtTopFront = self.getBBox(worldSpace) - w = abs( leftBotBack_rgtTopFront[1][0] - leftBotBack_rgtTopFront[0][0] ) - l = abs( leftBotBack_rgtTopFront[1][1] - leftBotBack_rgtTopFront[0][1] ) - d = abs( leftBotBack_rgtTopFront[1][2] - leftBotBack_rgtTopFront[0][2] ) - - return 2 * (w * l + w * d + l * d) - - def getSegCnt(self): - return len(self.segs) - - def getBezierPtsInfo(self): - prevSeg = None - bezierPtsInfo = [] - - for j, seg in enumerate(self.getSegs()): - - pt = seg.start - handleRight = seg.ctrl1 - - if(j == 0): - if(self.toClose): - handleLeft = self.getSeg(-1).ctrl2 - else: - handleLeft = pt - else: - handleLeft = prevSeg.ctrl2 - - bezierPtsInfo.append([pt, handleLeft, handleRight]) - prevSeg = seg - - if(self.toClose == True): - bezierPtsInfo[-1][2] = seg.ctrl1 - else: - bezierPtsInfo.append([prevSeg.end, prevSeg.ctrl2, prevSeg.end]) - - return bezierPtsInfo - - def __repr__(self): - return str(self.length) - - -class Path: - def __init__(self, curve, objData = None, name = None): - - if(objData == None): - objData = curve.data - - if(name == None): - name = curve.name - - self.name = name - self.curve = curve - - self.parts = [Part(self, getSplineSegs(s), s.use_cyclic_u) for s in objData.splines] - - def getPartCnt(self): - return len(self.parts) - - def getPartView(self): - p = Part(self, [seg for part in self.parts for seg in part.getSegs()], None) - return p - - def getPartBoundaryIdxs(self): - cumulCntList = set() - cumulCnt = 0 - - for p in self.parts: - cumulCnt += p.getSegCnt() - cumulCntList.add(cumulCnt) - - return cumulCntList - - def updatePartsList(self, segCntsPerPart, byPart): - monolithicSegList = [seg for part in self.parts for seg in part.getSegs()] - oldParts = self.parts[:] - currPart = oldParts[0] - partIdx = 0 - self.parts.clear() - - for i in range(0, len(segCntsPerPart)): - if( i == 0): - currIdx = 0 - else: - currIdx = segCntsPerPart[i-1] - - nextIdx = segCntsPerPart[i] - isClosed = False - - if(vectCmpWithMargin(monolithicSegList[currIdx].start, \ - currPart.getSegs()[0].start) and \ - vectCmpWithMargin(monolithicSegList[nextIdx-1].end, \ - currPart.getSegs()[-1].end)): - isClosed = currPart.isClosed - - self.parts.append(Part(self, \ - monolithicSegList[currIdx:nextIdx], isClosed)) - - if(monolithicSegList[nextIdx-1] == currPart.getSegs()[-1]): - partIdx += 1 - if(partIdx < len(oldParts)): - currPart = oldParts[partIdx] - - def getBezierPtsBySpline(self): - data = [] - - for i, part in enumerate(self.parts): - data.append(part.getBezierPtsInfo()) - - return data - - def getNewCurveData(self): - - newCurveData = self.curve.data.copy() - newCurveData.splines.clear() - - splinesData = self.getBezierPtsBySpline() - - for i, newPoints in enumerate(splinesData): - - spline = newCurveData.splines.new('BEZIER') - spline.bezier_points.add(len(newPoints)-1) - spline.use_cyclic_u = self.parts[i].toClose - - for j in range(0, len(spline.bezier_points)): - newPoint = newPoints[j] - spline.bezier_points[j].co = newPoint[0] - spline.bezier_points[j].handle_left = newPoint[1] - spline.bezier_points[j].handle_right = newPoint[2] - spline.bezier_points[j].handle_right_type = 'FREE' - - return newCurveData - - def updateCurve(self): - curveData = self.curve.data - #Remove existing shape keys first - if(curveData.shape_keys != None): - keyblocks = reversed(curveData.shape_keys.key_blocks) - for sk in keyblocks: - self.curve.shape_key_remove(sk) - self.curve.data = self.getNewCurveData() - bpy.data.curves.remove(curveData) - -def main(removeOriginal, space, matchParts, matchCriteria, alignBy, alignValues): - targetObj = bpy.context.active_object - if(targetObj == None or not isBezier(targetObj)): - return - - target = Path(targetObj) - - shapekeys = [Path(c) for c in bpy.context.selected_objects if isBezier(c) \ - and c != bpy.context.active_object] - - if(len(shapekeys) == 0): - return - - shapekeys = getExistingShapeKeyPaths(target) + shapekeys - userSel = [target] + shapekeys - - for path in userSel: - alignPath(path, matchParts, matchCriteria, alignBy, alignValues) - - addMissingSegs(userSel, byPart = (matchParts != "-None-")) - - bIdxs = set() - for path in userSel: - bIdxs = bIdxs.union(path.getPartBoundaryIdxs()) - - for path in userSel: - path.updatePartsList(sorted(list(bIdxs)), byPart = False) - - #All will have the same part count by now - allToClose = [all(path.parts[j].isClosed for path in userSel) - for j in range(0, len(userSel[0].parts))] - - #All paths will have the same no of splines with the same no of bezier points - for path in userSel: - for j, part in enumerate(path.parts): - part.toClose = allToClose[j] - - target.updateCurve() - - target.curve.shape_key_add(name = 'Basis') - - addShapeKeys(target.curve, shapekeys, space) - - if(removeOriginal): - for path in userSel: - if(path.curve != target.curve): - safeRemoveCurveObj(path.curve) - - return {} - -def getSplineSegs(spline): - p = spline.bezier_points - segs = [Segment(p[i-1].co, p[i-1].handle_right, p[i].handle_left, p[i].co) \ - for i in range(1, len(p))] - if(spline.use_cyclic_u): - segs.append(Segment(p[-1].co, p[-1].handle_right, p[0].handle_left, p[0].co)) - return segs - -def subdivideSeg(origSeg, noSegs): - if(noSegs < 2): - return [origSeg] - - segs = [] - oldT = 0 - segLen = origSeg.length / noSegs - - for i in range(0, noSegs-1): - t = float(i+1) / noSegs - seg = origSeg.partialSeg(oldT, t) - segs.append(seg) - oldT = t - - seg = origSeg.partialSeg(oldT, 1) - segs.append(seg) - - return segs - - -def getSubdivCntPerSeg(part, toAddCnt): - - class SegWrapper: - def __init__(self, idx, seg): - self.idx = idx - self.seg = seg - self.length = seg.length - - class PartWrapper: - def __init__(self, part): - self.segList = [] - self.segCnt = len(part.getSegs()) - for idx, seg in enumerate(part.getSegs()): - self.segList.append(SegWrapper(idx, seg)) - - partWrapper = PartWrapper(part) - partLen = part.length - avgLen = partLen / (partWrapper.segCnt + toAddCnt) - - segsToDivide = [sr for sr in partWrapper.segList if sr.seg.length >= avgLen] - segToDivideCnt = len(segsToDivide) - avgLen = sum(sr.seg.length for sr in segsToDivide) / (segToDivideCnt + toAddCnt) - - segsToDivide = sorted(segsToDivide, key=lambda x: x.length, reverse = True) - - cnts = [0] * partWrapper.segCnt - addedCnt = 0 - - - for i in range(0, segToDivideCnt): - segLen = segsToDivide[i].seg.length - - divideCnt = int(round(segLen/avgLen)) - 1 - if(divideCnt == 0): - break - - if((addedCnt + divideCnt) >= toAddCnt): - cnts[segsToDivide[i].idx] = toAddCnt - addedCnt - addedCnt = toAddCnt - break - - cnts[segsToDivide[i].idx] = divideCnt - - addedCnt += divideCnt - - #TODO: Verify if needed - while(toAddCnt > addedCnt): - for i in range(0, segToDivideCnt): - cnts[segsToDivide[i].idx] += 1 - addedCnt += 1 - if(toAddCnt == addedCnt): - break - - return cnts - -#Just distribute equally; this is likely a rare condition. So why complicate? -def distributeCnt(maxSegCntsByPart, startIdx, extraCnt): - added = 0 - elemCnt = len(maxSegCntsByPart) - startIdx - cntPerElem = floor(extraCnt / elemCnt) - remainder = extraCnt % elemCnt - - for i in range(startIdx, len(maxSegCntsByPart)): - maxSegCntsByPart[i] += cntPerElem - if(i < remainder + startIdx): - maxSegCntsByPart[i] += 1 - -#Make all the paths to have the maximum number of segments in the set -#TODO: Refactor -def addMissingSegs(selPaths, byPart): - maxSegCntsByPart = [] - maxSegCnt = 0 - - resSegCnt = [] - sortedPaths = sorted(selPaths, key = lambda c: -len(c.parts)) - - for i, path in enumerate(sortedPaths): - if(byPart == False): - segCnt = path.getPartView().getSegCnt() - if(segCnt > maxSegCnt): - maxSegCnt = segCnt - else: - resSegCnt.append([]) - for j, part in enumerate(path.parts): - partSegCnt = part.getSegCnt() - resSegCnt[i].append(partSegCnt) - - #First path - if(j == len(maxSegCntsByPart)): - maxSegCntsByPart.append(partSegCnt) - - #last part of this path, but other paths in set have more parts - elif((j == len(path.parts) - 1) and - len(maxSegCntsByPart) > len(path.parts)): - - remainingSegs = sum(maxSegCntsByPart[j:]) - if(partSegCnt <= remainingSegs): - resSegCnt[i][j] = remainingSegs - else: - #This part has more segs than the sum of the remaining part segs - #So distribute the extra count - distributeCnt(maxSegCntsByPart, j, (partSegCnt - remainingSegs)) - - #Also, adjust the seg count of the last part of the previous - #segments that had fewer than max number of parts - for k in range(0, i): - if(len(sortedPaths[k].parts) < len(maxSegCntsByPart)): - totalSegs = sum(maxSegCntsByPart) - existingSegs = sum(maxSegCntsByPart[:len(sortedPaths[k].parts)-1]) - resSegCnt[k][-1] = totalSegs - existingSegs - - elif(partSegCnt > maxSegCntsByPart[j]): - maxSegCntsByPart[j] = partSegCnt - for i, path in enumerate(sortedPaths): - - if(byPart == False): - partView = path.getPartView() - segCnt = partView.getSegCnt() - diff = maxSegCnt - segCnt - - if(diff > 0): - cnts = getSubdivCntPerSeg(partView, diff) - cumulSegIdx = 0 - for j in range(0, len(path.parts)): - part = path.parts[j] - newSegs = [] - for k, seg in enumerate(part.getSegs()): - numSubdivs = cnts[cumulSegIdx] + 1 - newSegs += subdivideSeg(seg, numSubdivs) - cumulSegIdx += 1 - - path.parts[j] = Part(path, newSegs, part.isClosed) - else: - for j in range(0, len(path.parts)): - part = path.parts[j] - newSegs = [] - - partSegCnt = part.getSegCnt() - - #TODO: Adding everything in the last part? - if(j == (len(path.parts)-1) and - len(maxSegCntsByPart) > len(path.parts)): - diff = resSegCnt[i][j] - partSegCnt - else: - diff = maxSegCntsByPart[j] - partSegCnt - - if(diff > 0): - cnts = getSubdivCntPerSeg(part, diff) - - for k, seg in enumerate(part.getSegs()): - seg = part.getSeg(k) - subdivCnt = cnts[k] + 1 #1 for the existing one - newSegs += subdivideSeg(seg, subdivCnt) - - #isClosed won't be used, but let's update anyway - path.parts[j] = Part(path, newSegs, part.isClosed) - -#TODO: Simplify (Not very readable) -def alignPath(path, matchParts, matchCriteria, alignBy, alignValues): - - parts = path.parts[:] - - if(matchParts == 'custom'): - fnMap = {'vCnt' : lambda part: -1 * part.getSegCnt(), \ - 'bbArea': lambda part: -1 * part.bboxSurfaceArea(worldSpace = True), \ - 'bbHeight' : lambda part: -1 * part.getBBHeight(worldSpace = True), \ - 'bbWidth' : lambda part: -1 * part.getBBWidth(worldSpace = True), \ - 'bbDepth' : lambda part: -1 * part.getBBDepth(worldSpace = True) - } - matchPartCmpFns = [] - for criterion in matchCriteria: - fn = fnMap.get(criterion) - if(fn == None): - minmax = criterion[:3] == 'max' #0 if min; 1 if max - axisIdx = ord(criterion[3:]) - ord('X') - - fn = eval('lambda part: part.getBBox(worldSpace = True)[' + \ - str(minmax) + '][' + str(axisIdx) + ']') - - matchPartCmpFns.append(fn) - - def comparer(left, right): - for fn in matchPartCmpFns: - a = fn(left) - b = fn(right) - - if(floatCmpWithMargin(a, b)): - continue - else: - return (a > b) - ( a < b) #No cmp in python3 - - return 0 - - parts = sorted(parts, key = cmp_to_key(comparer)) - - alignCmpFn = None - if(alignBy == 'vertCo'): - def evalCmp(criteria, pt1, pt2): - if(len(criteria) == 0): - return True - - minmax = criteria[0][0] - axisIdx = criteria[0][1] - val1 = pt1[axisIdx] - val2 = pt2[axisIdx] - - if(floatCmpWithMargin(val1, val2)): - criteria = criteria[:] - criteria.pop(0) - return evalCmp(criteria, pt1, pt2) - - return val1 < val2 if minmax == 'min' else val1 > val2 - - alignCri = [[a[:3], ord(a[3:]) - ord('X')] for a in alignValues] - alignCmpFn = lambda pt1, pt2, curve: (evalCmp(alignCri, \ - curve.matrix_world @ pt1, curve.matrix_world @ pt2)) - - startPt = None - startIdx = None - - for i in range(0, len(parts)): - #Only truly closed parts - if(alignCmpFn != None and parts[i].isClosed): - for j in range(0, parts[i].getSegCnt()): - seg = parts[i].getSeg(j) - if(j == 0 or alignCmpFn(seg.start, startPt, path.curve)): - startPt = seg.start - startIdx = j - - path.parts[i]= Part(path, parts[i].getSegsCopy(startIdx, None) + \ - parts[i].getSegsCopy(None, startIdx), parts[i].isClosed) - else: - path.parts[i] = parts[i] - -#TODO: Other shape key attributes like interpolation...? -def getExistingShapeKeyPaths(path): - obj = path.curve - paths = [] - - if(obj.data.shape_keys != None): - keyblocks = obj.data.shape_keys.key_blocks[1:]#Skip basis - for key in keyblocks: - datacopy = obj.data.copy() - i = 0 - for spline in datacopy.splines: - for pt in spline.bezier_points: - pt.co = key.data[i].co - pt.handle_left = key.data[i].handle_left - pt.handle_right = key.data[i].handle_right - i += 1 - paths.append(Path(obj, datacopy, key.name)) - return paths - -def addShapeKeys(curve, paths, space): - for path in paths: - key = curve.shape_key_add(name = path.name) - pts = [pt for pset in path.getBezierPtsBySpline() for pt in pset] - for i, pt in enumerate(pts): - if(space == 'worldspace'): - pt = [curve.matrix_world.inverted() @ (path.curve.matrix_world @ p) for p in pt] - key.data[i].co = pt[0] - key.data[i].handle_left = pt[1] - key.data[i].handle_right = pt[2] - -#TODO: Remove try -def safeRemoveCurveObj(obj): - try: - collections = obj.users_collection - - for c in collections: - c.objects.unlink(obj) - - if(obj.name in bpy.context.scene.collection.objects): - bpy.context.scene.collection.objects.unlink(obj) - - if(obj.data.users == 1): - if(obj.type == 'CURVE'): - bpy.data.curves.remove(obj.data) #This also removes object? - elif(obj.type == 'MESH'): - bpy.data.meshes.remove(obj.data) - - bpy.data.objects.remove(obj) - except: - pass - - -def markVertHandler(self, context): - if(self.markVertex): - bpy.ops.wm.mark_vertex() - - -#################### UI and Registration #################### - -class AssignShapeKeysOp(bpy.types.Operator): - bl_idname = "object.assign_shape_keys" - bl_label = "Assign Shape Keys" - bl_options = {'REGISTER', 'UNDO'} - - def execute(self, context): - params = context.window_manager.AssignShapeKeyParams - removeOriginal = params.removeOriginal - space = params.space - - matchParts = params.matchParts - matchCri1 = params.matchCri1 - matchCri2 = params.matchCri2 - matchCri3 = params.matchCri3 - - alignBy = params.alignList - alignVal1 = params.alignVal1 - alignVal2 = params.alignVal2 - alignVal3 = params.alignVal3 - - createdObjsMap = main(removeOriginal, space, \ - matchParts, [matchCri1, matchCri2, matchCri3], \ - alignBy, [alignVal1, alignVal2, alignVal3]) - - return {'FINISHED'} - - -class MarkerController: - drawHandlerRef = None - defPointSize = 6 - ptColor = (0, .8, .8, 1) - - def createSMMap(self, context): - objs = context.selected_objects - smMap = {} - for curve in objs: - if(not isBezier(curve)): - continue - - smMap[curve.name] = {} - mw = curve.matrix_world - for splineIdx, spline in enumerate(curve.data.splines): - if(not spline.use_cyclic_u): - continue - - #initialize to the curr start vert co and idx - smMap[curve.name][splineIdx] = \ - [mw @ curve.data.splines[splineIdx].bezier_points[0].co, 0] - - for pt in spline.bezier_points: - pt.select_control_point = False - - if(len(smMap[curve.name]) == 0): - del smMap[curve.name] - - return smMap - - def createBatch(self, context): - positions = [s[0] for cn in self.smMap.values() for s in cn.values()] - colors = [MarkerController.ptColor for i in range(0, len(positions))] - - self.batch = batch_for_shader(self.shader, \ - "POINTS", {"pos": positions, "color": colors}) - - if context.area: - context.area.tag_redraw() - - def drawHandler(self): - bgl.glPointSize(MarkerController.defPointSize) - self.batch.draw(self.shader) - - def removeMarkers(self, context): - if(MarkerController.drawHandlerRef != None): - bpy.types.SpaceView3D.draw_handler_remove(MarkerController.drawHandlerRef, \ - "WINDOW") - - if(context.area and hasattr(context.space_data, 'region_3d')): - context.area.tag_redraw() - - MarkerController.drawHandlerRef = None - - self.deselectAll() - - def __init__(self, context): - self.smMap = self.createSMMap(context) - self.shader = gpu.shader.from_builtin('3D_FLAT_COLOR') - self.shader.bind() - - MarkerController.drawHandlerRef = \ - bpy.types.SpaceView3D.draw_handler_add(self.drawHandler, \ - (), "WINDOW", "POST_VIEW") - - self.createBatch(context) - - def saveStartVerts(self): - for curveName in self.smMap.keys(): - curve = bpy.data.objects[curveName] - splines = curve.data.splines - spMap = self.smMap[curveName] - - for splineIdx in spMap.keys(): - markerInfo = spMap[splineIdx] - if(markerInfo[1] != 0): - pts = splines[splineIdx].bezier_points - loc, idx = markerInfo[0], markerInfo[1] - cnt = len(pts) - - ptCopy = [[p.co.copy(), p.handle_right.copy(), \ - p.handle_left.copy(), p.handle_right_type, \ - p.handle_left_type] for p in pts] - - for i, pt in enumerate(pts): - srcIdx = (idx + i) % cnt - p = ptCopy[srcIdx] - - #Must set the types first - pt.handle_right_type = p[3] - pt.handle_left_type = p[4] - pt.co = p[0] - pt.handle_right = p[1] - pt.handle_left = p[2] - - def updateSMMap(self): - for curveName in self.smMap.keys(): - curve = bpy.data.objects[curveName] - spMap = self.smMap[curveName] - mw = curve.matrix_world - - for splineIdx in spMap.keys(): - markerInfo = spMap[splineIdx] - loc, idx = markerInfo[0], markerInfo[1] - pts = curve.data.splines[splineIdx].bezier_points - - selIdxs = [x for x in range(0, len(pts)) \ - if pts[x].select_control_point == True] - - selIdx = selIdxs[0] if(len(selIdxs) > 0 ) else idx - co = mw @ pts[selIdx].co - self.smMap[curveName][splineIdx] = [co, selIdx] - - def deselectAll(self): - for curveName in self.smMap.keys(): - curve = bpy.data.objects[curveName] - for spline in curve.data.splines: - for pt in spline.bezier_points: - pt.select_control_point = False - - def getSpaces3D(context): - areas3d = [area for area in context.window.screen.areas \ - if area.type == 'VIEW_3D'] - - return [s for a in areas3d for s in a.spaces if s.type == 'VIEW_3D'] - - def hideHandles(context): - states = [] - spaces = MarkerController.getSpaces3D(context) - for s in spaces: - states.append(s.overlay.show_curve_handles) - s.overlay.show_curve_handles = False - return states - - def resetShowHandleState(context, handleStates): - spaces = MarkerController.getSpaces3D(context) - for i, s in enumerate(spaces): - s.overlay.show_curve_handles = handleStates[i] - - -class ModalMarkSegStartOp(bpy.types.Operator): - bl_description = "Mark Vertex" - bl_idname = "wm.mark_vertex" - bl_label = "Mark Start Vertex" - - def cleanup(self, context): - wm = context.window_manager - wm.event_timer_remove(self._timer) - self.markerState.removeMarkers(context) - MarkerController.resetShowHandleState(context, self.handleStates) - context.window_manager.AssignShapeKeyParams.markVertex = False - - def modal (self, context, event): - params = context.window_manager.AssignShapeKeyParams - - if(context.mode == 'OBJECT' or event.type == "ESC" or\ - not context.window_manager.AssignShapeKeyParams.markVertex): - self.cleanup(context) - return {'CANCELLED'} - - elif(event.type == "RET"): - self.markerState.saveStartVerts() - self.cleanup(context) - return {'FINISHED'} - - if(event.type == 'TIMER'): - self.markerState.updateSMMap() - self.markerState.createBatch(context) - - elif(event.type in {'LEFT_CTRL', 'RIGHT_CTRL'}): - self.ctrl = (event.value == 'PRESS') - - elif(event.type in {'LEFT_SHIFT', 'RIGHT_SHIFT'}): - self.shift = (event.value == 'PRESS') - - if(event.type not in {"MIDDLEMOUSE", "TAB", "LEFTMOUSE", \ - "RIGHTMOUSE", 'WHEELDOWNMOUSE', 'WHEELUPMOUSE'} and \ - not event.type.startswith("NUMPAD_")): - return {'RUNNING_MODAL'} - - return {"PASS_THROUGH"} - - def execute(self, context): - #TODO: Why such small step? - self._timer = context.window_manager.event_timer_add(time_step = 0.0001, \ - window = context.window) - self.ctrl = False - self.shift = False - - context.window_manager.modal_handler_add(self) - self.markerState = MarkerController(context) - - #Hide so that users don't accidentally select handles instead of points - self.handleStates = MarkerController.hideHandles(context) - - return {"RUNNING_MODAL"} - - -class AssignShapeKeyParams(bpy.types.PropertyGroup): - - removeOriginal : BoolProperty(name = "Remove Shape Key Objects", \ - description = "Remove shape key objects after assigning to target", \ - default = True) - - space : EnumProperty(name = "Space", \ - items = [('worldspace', 'World Space', 'worldspace'), - ('localspace', 'Local Space', 'localspace')], \ - description = 'Space that shape keys are evluated in') - - alignList : EnumProperty(name="Vertex Alignment", items = \ - [("-None-", 'Manual Alignment', "Align curve segments based on starting vertex"), \ - ('vertCo', 'Vertex Coordinates', 'Align curve segments based on vertex coordinates')], \ - description = 'Start aligning the vertices of target and shape keys from', - default = '-None-') - - alignVal1 : EnumProperty(name="Value 1", - items = matchList, default = 'minX', description='First align criterion') - - alignVal2 : EnumProperty(name="Value 2", - items = matchList, default = 'maxY', description='Second align criterion') - - alignVal3 : EnumProperty(name="Value 3", - items = matchList, default = 'minZ', description='Third align criterion') - - matchParts : EnumProperty(name="Match Parts", items = \ - [("-None-", 'None', "Don't match parts"), \ - ('default', 'Default', 'Use part (spline) order as in curve'), \ - ('custom', 'Custom', 'Use one of the custom criteria for part matching')], \ - description='Match disconnected parts', default = 'default') - - matchCri1 : EnumProperty(name="Value 1", - items = matchList, default = 'minX', description='First match criterion') - - matchCri2 : EnumProperty(name="Value 2", - items = matchList, default = 'maxY', description='Second match criterion') - - matchCri3 : EnumProperty(name="Value 3", - items = matchList, default = 'minZ', description='Third match criterion') - - markVertex : BoolProperty(name="Mark Starting Vertices", \ - description='Mark first vertices in all splines of selected curves', \ - default = False, update = markVertHandler) - - -class AssignShapeKeysPanel(bpy.types.Panel): - - bl_label = "Assign Shape Keys" - bl_idname = "CURVE_PT_assign_shape_keys" - bl_space_type = 'VIEW_3D' - bl_region_type = 'UI' - bl_category = "Tool" - - @classmethod - def poll(cls, context): - return context.mode in {'OBJECT', 'EDIT_CURVE'} - - def draw(self, context): - - layout = self.layout - col = layout.column() - params = context.window_manager.AssignShapeKeyParams - - if(context.mode == 'OBJECT'): - row = col.row() - row.prop(params, "removeOriginal") - - row = col.row() - row.prop(params, "space") - - row = col.row() - row.prop(params, "alignList") - - if(params.alignList == 'vertCo'): - row = col.row() - row.prop(params, "alignVal1") - row.prop(params, "alignVal2") - row.prop(params, "alignVal3") - - row = col.row() - row.prop(params, "matchParts") - - if(params.matchParts == 'custom'): - row = col.row() - row.prop(params, "matchCri1") - row.prop(params, "matchCri2") - row.prop(params, "matchCri3") - - row = col.row() - row.operator("object.assign_shape_keys") - else: - col.prop(params, "markVertex", \ - toggle = True) - - -# registering and menu integration -def register(): - bpy.utils.register_class(AssignShapeKeysPanel) - bpy.utils.register_class(AssignShapeKeysOp) - bpy.utils.register_class(AssignShapeKeyParams) - bpy.types.WindowManager.AssignShapeKeyParams = \ - bpy.props.PointerProperty(type=AssignShapeKeyParams) - bpy.utils.register_class(ModalMarkSegStartOp) - -def unregister(): - bpy.utils.unregister_class(AssignShapeKeysOp) - bpy.utils.unregister_class(AssignShapeKeysPanel) - del bpy.types.WindowManager.AssignShapeKeyParams - bpy.utils.unregister_class(AssignShapeKeyParams) - bpy.utils.unregister_class(ModalMarkSegStartOp) - -if __name__ == "__main__": - register() +# +# +# This Blender add-on assigns one or more Bezier Curves as shape keys to another +# Bezier Curve +# +# Supported Blender Version: 2.80 Beta +# +# Copyright (C) 2019 Shrinivas Kulkarni +# +# License: MIT (https://github.com/Shriinivas/assignshapekey/blob/master/LICENSE) +# + +import bpy, bmesh, bgl, gpu +from gpu_extras.batch import batch_for_shader +from bpy.props import BoolProperty, EnumProperty +from collections import OrderedDict +from mathutils import Vector +from math import sqrt, floor +from functools import cmp_to_key + + +bl_info = { + "name": "Assign Shape Keys", + "author": "Shrinivas Kulkarni", + "version": (1, 0, 0), + "location": "Properties > Active Tool and Workspace Settings > Assign Shape Keys", + "description": "Assigns one or more Bezier curves as shape keys to another Bezier curve", + "category": "Object", + "wiki_url": "https://github.com/Shriinivas/assignshapekey/blob/master/README.md", + "blender": (2, 80, 0), +} + +matchList = [('vCnt', 'Vertex Count', 'Match by vertex count'), + ('bbArea', 'Area', 'Match by surface area of the bounding box'), \ + ('bbHeight', 'Height', 'Match by bounding box height'), \ + ('bbWidth', 'Width', 'Match by bounding box width'), + ('bbDepth', 'Depth', 'Match by bounding box depth'), + ('minX', 'Min X', 'Match by bounding bon Min X'), + ('maxX', 'Max X', 'Match by bounding bon Max X'), + ('minY', 'Min Y', 'Match by bounding bon Min Y'), + ('maxY', 'Max Y', 'Match by bounding bon Max Y'), + ('minZ', 'Min Z', 'Match by bounding bon Min Z'), + ('maxZ', 'Max Z', 'Match by bounding bon Max Z')] + +DEF_ERR_MARGIN = 0.0001 + +def isBezier(obj): + return obj.type == 'CURVE' and len(obj.data.splines) > 0 \ + and obj.data.splines[0].type == 'BEZIER' + +#Avoid errors due to floating point conversions/comparisons +#TODO: return -1, 0, 1 +def floatCmpWithMargin(float1, float2, margin = DEF_ERR_MARGIN): + return abs(float1 - float2) < margin + +def vectCmpWithMargin(v1, v2, margin = DEF_ERR_MARGIN): + return all(floatCmpWithMargin(v1[i], v2[i], margin) for i in range(0, len(v1))) + +class Segment(): + + #pts[0] - start, pts[1] - ctrl1, pts[2] - ctrl2, , pts[3] - end + def pointAtT(pts, t): + return pts[0] + t * (3 * (pts[1] - pts[0]) + + t* (3 * (pts[0] + pts[2]) - 6 * pts[1] + + t * (-pts[0] + 3 * (pts[1] - pts[2]) + pts[3]))) + + def getSegLenRecurs(pts, start, end, t1 = 0, t2 = 1, error = DEF_ERR_MARGIN): + t1_5 = (t1 + t2)/2 + mid = Segment.pointAtT(pts, t1_5) + l = (end - start).length + l2 = (mid - start).length + (end - mid).length + if (l2 - l > error): + return (Segment.getSegLenRecurs(pts, start, mid, t1, t1_5, error) + + Segment.getSegLenRecurs(pts, mid, end, t1_5, t2, error)) + return l2 + + def __init__(self, start, ctrl1, ctrl2, end): + self.start = start + self.ctrl1 = ctrl1 + self.ctrl2 = ctrl2 + self.end = end + pts = [start, ctrl1, ctrl2, end] + self.length = Segment.getSegLenRecurs(pts, start, end) + + #see https://stackoverflow.com/questions/878862/drawing-part-of-a-b%c3%a9zier-curve-by-reusing-a-basic-b%c3%a9zier-curve-function/879213#879213 + def partialSeg(self, t0, t1): + pts = [self.start, self.ctrl1, self.ctrl2, self.end] + + if(t0 > t1): + tt = t1 + t1 = t0 + t0 = tt + + #Let's make at least the line segments of predictable length :) + if(pts[0] == pts[1] and pts[2] == pts[3]): + pt0 = Vector([(1 - t0) * pts[0][i] + t0 * pts[2][i] for i in range(0, 3)]) + pt1 = Vector([(1 - t1) * pts[0][i] + t1 * pts[2][i] for i in range(0, 3)]) + return Segment(pt0, pt0, pt1, pt1) + + u0 = 1.0 - t0 + u1 = 1.0 - t1 + + qa = [pts[0][i]*u0*u0 + pts[1][i]*2*t0*u0 + pts[2][i]*t0*t0 for i in range(0, 3)] + qb = [pts[0][i]*u1*u1 + pts[1][i]*2*t1*u1 + pts[2][i]*t1*t1 for i in range(0, 3)] + qc = [pts[1][i]*u0*u0 + pts[2][i]*2*t0*u0 + pts[3][i]*t0*t0 for i in range(0, 3)] + qd = [pts[1][i]*u1*u1 + pts[2][i]*2*t1*u1 + pts[3][i]*t1*t1 for i in range(0, 3)] + + pta = Vector([qa[i]*u0 + qc[i]*t0 for i in range(0, 3)]) + ptb = Vector([qa[i]*u1 + qc[i]*t1 for i in range(0, 3)]) + ptc = Vector([qb[i]*u0 + qd[i]*t0 for i in range(0, 3)]) + ptd = Vector([qb[i]*u1 + qd[i]*t1 for i in range(0, 3)]) + + return Segment(pta, ptb, ptc, ptd) + + #see https://stackoverflow.com/questions/24809978/calculating-the-bounding-box-of-cubic-bezier-curve + #(3 D - 9 C + 9 B - 3 A) t^2 + (6 A - 12 B + 6 C) t + 3 (B - A) + #pts[0] - start, pts[1] - ctrl1, pts[2] - ctrl2, , pts[3] - end + #TODO: Return Vectors to make world space calculations consistent + def bbox(self, mw = None): + def evalBez(AA, BB, CC, DD, t): + return AA * (1 - t) * (1 - t) * (1 - t) + \ + 3 * BB * t * (1 - t) * (1 - t) + \ + 3 * CC * t * t * (1 - t) + \ + DD * t * t * t + + A = self.start + B = self.ctrl1 + C = self.ctrl2 + D = self.end + + if(mw != None): + A = mw @ A + B = mw @ B + C = mw @ C + D = mw @ D + + MINXYZ = [min([A[i], D[i]]) for i in range(0, 3)] + MAXXYZ = [max([A[i], D[i]]) for i in range(0, 3)] + leftBotBack_rgtTopFront = [MINXYZ, MAXXYZ] + + a = [3 * D[i] - 9 * C[i] + 9 * B[i] - 3 * A[i] for i in range(0, 3)] + b = [6 * A[i] - 12 * B[i] + 6 * C[i] for i in range(0, 3)] + c = [3 * (B[i] - A[i]) for i in range(0, 3)] + + solnsxyz = [] + for i in range(0, 3): + solns = [] + if(a[i] == 0): + if(b[i] == 0): + solns.append(0)#Independent of t so lets take the starting pt + else: + solns.append(c[i] / b[i]) + else: + rootFact = b[i] * b[i] - 4 * a[i] * c[i] + if(rootFact >=0 ): + #Two solutions with + and - sqrt + solns.append((-b[i] + sqrt(rootFact)) / (2 * a[i])) + solns.append((-b[i] - sqrt(rootFact)) / (2 * a[i])) + solnsxyz.append(solns) + + for i, soln in enumerate(solnsxyz): + for j, t in enumerate(soln): + if(t < 1 and t > 0): + co = evalBez(A[i], B[i], C[i], D[i], t) + if(co < leftBotBack_rgtTopFront[0][i]): + leftBotBack_rgtTopFront[0][i] = co + if(co > leftBotBack_rgtTopFront[1][i]): + leftBotBack_rgtTopFront[1][i] = co + + return leftBotBack_rgtTopFront + + +class Part(): + def __init__(self, parent, segs, isClosed): + self.parent = parent + self.segs = segs + + #use_cyclic_u + self.isClosed = isClosed + + #Indicates if this should be closed based on its counterparts in other paths + self.toClose = isClosed + + self.length = sum(seg.length for seg in self.segs) + self.bbox = None + self.bboxWorldSpace = None + + def getSeg(self, idx): + return self.segs[idx] + + def getSegs(self): + return self.segs + + def getSegsCopy(self, start, end): + if(start == None): + start = 0 + if(end == None): + end = len(self.segs) + return self.segs[start:end] + + def getBBox(self, worldSpace): + #Avoid frequent calculations, as this will be called in compare method + if(not worldSpace and self.bbox != None): + return self.bbox + + if(worldSpace and self.bboxWorldSpace != None): + return self.bboxWorldSpace + + leftBotBack_rgtTopFront = [[None]*3,[None]*3] + + for seg in self.segs: + + if(worldSpace): + bb = seg.bbox(self.parent.curve.matrix_world) + else: + bb = seg.bbox() + + for i in range(0, 3): + if (leftBotBack_rgtTopFront[0][i] == None or \ + bb[0][i] < leftBotBack_rgtTopFront[0][i]): + leftBotBack_rgtTopFront[0][i] = bb[0][i] + + for i in range(0, 3): + if (leftBotBack_rgtTopFront[1][i] == None or \ + bb[1][i] > leftBotBack_rgtTopFront[1][i]): + leftBotBack_rgtTopFront[1][i] = bb[1][i] + + if(worldSpace): + self.bboxWorldSpace = leftBotBack_rgtTopFront + else: + self.bbox = leftBotBack_rgtTopFront + + return leftBotBack_rgtTopFront + + #private + def getBBDiff(self, axisIdx, worldSpace): + obj = self.parent.curve + bbox = self.getBBox(worldSpace) + diff = abs(bbox[1][axisIdx] - bbox[0][axisIdx]) + return diff + + def getBBWidth(self, worldSpace): + return self.getBBDiff(0, worldSpace) + + def getBBHeight(self, worldSpace): + return self.getBBDiff(1, worldSpace) + + def getBBDepth(self, worldSpace): + return self.getBBDiff(2, worldSpace) + + def bboxSurfaceArea(self, worldSpace): + leftBotBack_rgtTopFront = self.getBBox(worldSpace) + w = abs( leftBotBack_rgtTopFront[1][0] - leftBotBack_rgtTopFront[0][0] ) + l = abs( leftBotBack_rgtTopFront[1][1] - leftBotBack_rgtTopFront[0][1] ) + d = abs( leftBotBack_rgtTopFront[1][2] - leftBotBack_rgtTopFront[0][2] ) + + return 2 * (w * l + w * d + l * d) + + def getSegCnt(self): + return len(self.segs) + + def getBezierPtsInfo(self): + prevSeg = None + bezierPtsInfo = [] + + for j, seg in enumerate(self.getSegs()): + + pt = seg.start + handleRight = seg.ctrl1 + + if(j == 0): + if(self.toClose): + handleLeft = self.getSeg(-1).ctrl2 + else: + handleLeft = pt + else: + handleLeft = prevSeg.ctrl2 + + bezierPtsInfo.append([pt, handleLeft, handleRight]) + prevSeg = seg + + if(self.toClose == True): + bezierPtsInfo[-1][2] = seg.ctrl1 + else: + bezierPtsInfo.append([prevSeg.end, prevSeg.ctrl2, prevSeg.end]) + + return bezierPtsInfo + + def __repr__(self): + return str(self.length) + + +class Path: + def __init__(self, curve, objData = None, name = None): + + if(objData == None): + objData = curve.data + + if(name == None): + name = curve.name + + self.name = name + self.curve = curve + + self.parts = [Part(self, getSplineSegs(s), s.use_cyclic_u) for s in objData.splines] + + def getPartCnt(self): + return len(self.parts) + + def getPartView(self): + p = Part(self, [seg for part in self.parts for seg in part.getSegs()], None) + return p + + def getPartBoundaryIdxs(self): + cumulCntList = set() + cumulCnt = 0 + + for p in self.parts: + cumulCnt += p.getSegCnt() + cumulCntList.add(cumulCnt) + + return cumulCntList + + def updatePartsList(self, segCntsPerPart, byPart): + monolithicSegList = [seg for part in self.parts for seg in part.getSegs()] + oldParts = self.parts[:] + currPart = oldParts[0] + partIdx = 0 + self.parts.clear() + + for i in range(0, len(segCntsPerPart)): + if( i == 0): + currIdx = 0 + else: + currIdx = segCntsPerPart[i-1] + + nextIdx = segCntsPerPart[i] + isClosed = False + + if(vectCmpWithMargin(monolithicSegList[currIdx].start, \ + currPart.getSegs()[0].start) and \ + vectCmpWithMargin(monolithicSegList[nextIdx-1].end, \ + currPart.getSegs()[-1].end)): + isClosed = currPart.isClosed + + self.parts.append(Part(self, \ + monolithicSegList[currIdx:nextIdx], isClosed)) + + if(monolithicSegList[nextIdx-1] == currPart.getSegs()[-1]): + partIdx += 1 + if(partIdx < len(oldParts)): + currPart = oldParts[partIdx] + + def getBezierPtsBySpline(self): + data = [] + + for i, part in enumerate(self.parts): + data.append(part.getBezierPtsInfo()) + + return data + + def getNewCurveData(self): + + newCurveData = self.curve.data.copy() + newCurveData.splines.clear() + + splinesData = self.getBezierPtsBySpline() + + for i, newPoints in enumerate(splinesData): + + spline = newCurveData.splines.new('BEZIER') + spline.bezier_points.add(len(newPoints)-1) + spline.use_cyclic_u = self.parts[i].toClose + + for j in range(0, len(spline.bezier_points)): + newPoint = newPoints[j] + spline.bezier_points[j].co = newPoint[0] + spline.bezier_points[j].handle_left = newPoint[1] + spline.bezier_points[j].handle_right = newPoint[2] + spline.bezier_points[j].handle_right_type = 'FREE' + + return newCurveData + + def updateCurve(self): + curveData = self.curve.data + #Remove existing shape keys first + if(curveData.shape_keys != None): + keyblocks = reversed(curveData.shape_keys.key_blocks) + for sk in keyblocks: + self.curve.shape_key_remove(sk) + self.curve.data = self.getNewCurveData() + bpy.data.curves.remove(curveData) + +def main(removeOriginal, space, matchParts, matchCriteria, alignBy, alignValues): + targetObj = bpy.context.active_object + if(targetObj == None or not isBezier(targetObj)): + return + + target = Path(targetObj) + + shapekeys = [Path(c) for c in bpy.context.selected_objects if isBezier(c) \ + and c != bpy.context.active_object] + + if(len(shapekeys) == 0): + return + + shapekeys = getExistingShapeKeyPaths(target) + shapekeys + userSel = [target] + shapekeys + + for path in userSel: + alignPath(path, matchParts, matchCriteria, alignBy, alignValues) + + addMissingSegs(userSel, byPart = (matchParts != "-None-")) + + bIdxs = set() + for path in userSel: + bIdxs = bIdxs.union(path.getPartBoundaryIdxs()) + + for path in userSel: + path.updatePartsList(sorted(list(bIdxs)), byPart = False) + + #All will have the same part count by now + allToClose = [all(path.parts[j].isClosed for path in userSel) + for j in range(0, len(userSel[0].parts))] + + #All paths will have the same no of splines with the same no of bezier points + for path in userSel: + for j, part in enumerate(path.parts): + part.toClose = allToClose[j] + + target.updateCurve() + + target.curve.shape_key_add(name = 'Basis') + + addShapeKeys(target.curve, shapekeys, space) + + if(removeOriginal): + for path in userSel: + if(path.curve != target.curve): + safeRemoveCurveObj(path.curve) + + return {} + +def getSplineSegs(spline): + p = spline.bezier_points + segs = [Segment(p[i-1].co, p[i-1].handle_right, p[i].handle_left, p[i].co) \ + for i in range(1, len(p))] + if(spline.use_cyclic_u): + segs.append(Segment(p[-1].co, p[-1].handle_right, p[0].handle_left, p[0].co)) + return segs + +def subdivideSeg(origSeg, noSegs): + if(noSegs < 2): + return [origSeg] + + segs = [] + oldT = 0 + segLen = origSeg.length / noSegs + + for i in range(0, noSegs-1): + t = float(i+1) / noSegs + seg = origSeg.partialSeg(oldT, t) + segs.append(seg) + oldT = t + + seg = origSeg.partialSeg(oldT, 1) + segs.append(seg) + + return segs + + +def getSubdivCntPerSeg(part, toAddCnt): + + class SegWrapper: + def __init__(self, idx, seg): + self.idx = idx + self.seg = seg + self.length = seg.length + + class PartWrapper: + def __init__(self, part): + self.segList = [] + self.segCnt = len(part.getSegs()) + for idx, seg in enumerate(part.getSegs()): + self.segList.append(SegWrapper(idx, seg)) + + partWrapper = PartWrapper(part) + partLen = part.length + avgLen = partLen / (partWrapper.segCnt + toAddCnt) + + segsToDivide = [sr for sr in partWrapper.segList if sr.seg.length >= avgLen] + segToDivideCnt = len(segsToDivide) + avgLen = sum(sr.seg.length for sr in segsToDivide) / (segToDivideCnt + toAddCnt) + + segsToDivide = sorted(segsToDivide, key=lambda x: x.length, reverse = True) + + cnts = [0] * partWrapper.segCnt + addedCnt = 0 + + + for i in range(0, segToDivideCnt): + segLen = segsToDivide[i].seg.length + + divideCnt = int(round(segLen/avgLen)) - 1 + if(divideCnt == 0): + break + + if((addedCnt + divideCnt) >= toAddCnt): + cnts[segsToDivide[i].idx] = toAddCnt - addedCnt + addedCnt = toAddCnt + break + + cnts[segsToDivide[i].idx] = divideCnt + + addedCnt += divideCnt + + #TODO: Verify if needed + while(toAddCnt > addedCnt): + for i in range(0, segToDivideCnt): + cnts[segsToDivide[i].idx] += 1 + addedCnt += 1 + if(toAddCnt == addedCnt): + break + + return cnts + +#Just distribute equally; this is likely a rare condition. So why complicate? +def distributeCnt(maxSegCntsByPart, startIdx, extraCnt): + added = 0 + elemCnt = len(maxSegCntsByPart) - startIdx + cntPerElem = floor(extraCnt / elemCnt) + remainder = extraCnt % elemCnt + + for i in range(startIdx, len(maxSegCntsByPart)): + maxSegCntsByPart[i] += cntPerElem + if(i < remainder + startIdx): + maxSegCntsByPart[i] += 1 + +#Make all the paths to have the maximum number of segments in the set +#TODO: Refactor +def addMissingSegs(selPaths, byPart): + maxSegCntsByPart = [] + maxSegCnt = 0 + + resSegCnt = [] + sortedPaths = sorted(selPaths, key = lambda c: -len(c.parts)) + + for i, path in enumerate(sortedPaths): + if(byPart == False): + segCnt = path.getPartView().getSegCnt() + if(segCnt > maxSegCnt): + maxSegCnt = segCnt + else: + resSegCnt.append([]) + for j, part in enumerate(path.parts): + partSegCnt = part.getSegCnt() + resSegCnt[i].append(partSegCnt) + + #First path + if(j == len(maxSegCntsByPart)): + maxSegCntsByPart.append(partSegCnt) + + #last part of this path, but other paths in set have more parts + elif((j == len(path.parts) - 1) and + len(maxSegCntsByPart) > len(path.parts)): + + remainingSegs = sum(maxSegCntsByPart[j:]) + if(partSegCnt <= remainingSegs): + resSegCnt[i][j] = remainingSegs + else: + #This part has more segs than the sum of the remaining part segs + #So distribute the extra count + distributeCnt(maxSegCntsByPart, j, (partSegCnt - remainingSegs)) + + #Also, adjust the seg count of the last part of the previous + #segments that had fewer than max number of parts + for k in range(0, i): + if(len(sortedPaths[k].parts) < len(maxSegCntsByPart)): + totalSegs = sum(maxSegCntsByPart) + existingSegs = sum(maxSegCntsByPart[:len(sortedPaths[k].parts)-1]) + resSegCnt[k][-1] = totalSegs - existingSegs + + elif(partSegCnt > maxSegCntsByPart[j]): + maxSegCntsByPart[j] = partSegCnt + for i, path in enumerate(sortedPaths): + + if(byPart == False): + partView = path.getPartView() + segCnt = partView.getSegCnt() + diff = maxSegCnt - segCnt + + if(diff > 0): + cnts = getSubdivCntPerSeg(partView, diff) + cumulSegIdx = 0 + for j in range(0, len(path.parts)): + part = path.parts[j] + newSegs = [] + for k, seg in enumerate(part.getSegs()): + numSubdivs = cnts[cumulSegIdx] + 1 + newSegs += subdivideSeg(seg, numSubdivs) + cumulSegIdx += 1 + + path.parts[j] = Part(path, newSegs, part.isClosed) + else: + for j in range(0, len(path.parts)): + part = path.parts[j] + newSegs = [] + + partSegCnt = part.getSegCnt() + + #TODO: Adding everything in the last part? + if(j == (len(path.parts)-1) and + len(maxSegCntsByPart) > len(path.parts)): + diff = resSegCnt[i][j] - partSegCnt + else: + diff = maxSegCntsByPart[j] - partSegCnt + + if(diff > 0): + cnts = getSubdivCntPerSeg(part, diff) + + for k, seg in enumerate(part.getSegs()): + seg = part.getSeg(k) + subdivCnt = cnts[k] + 1 #1 for the existing one + newSegs += subdivideSeg(seg, subdivCnt) + + #isClosed won't be used, but let's update anyway + path.parts[j] = Part(path, newSegs, part.isClosed) + +#TODO: Simplify (Not very readable) +def alignPath(path, matchParts, matchCriteria, alignBy, alignValues): + + parts = path.parts[:] + + if(matchParts == 'custom'): + fnMap = {'vCnt' : lambda part: -1 * part.getSegCnt(), \ + 'bbArea': lambda part: -1 * part.bboxSurfaceArea(worldSpace = True), \ + 'bbHeight' : lambda part: -1 * part.getBBHeight(worldSpace = True), \ + 'bbWidth' : lambda part: -1 * part.getBBWidth(worldSpace = True), \ + 'bbDepth' : lambda part: -1 * part.getBBDepth(worldSpace = True) + } + matchPartCmpFns = [] + for criterion in matchCriteria: + fn = fnMap.get(criterion) + if(fn == None): + minmax = criterion[:3] == 'max' #0 if min; 1 if max + axisIdx = ord(criterion[3:]) - ord('X') + + fn = eval('lambda part: part.getBBox(worldSpace = True)[' + \ + str(minmax) + '][' + str(axisIdx) + ']') + + matchPartCmpFns.append(fn) + + def comparer(left, right): + for fn in matchPartCmpFns: + a = fn(left) + b = fn(right) + + if(floatCmpWithMargin(a, b)): + continue + else: + return (a > b) - ( a < b) #No cmp in python3 + + return 0 + + parts = sorted(parts, key = cmp_to_key(comparer)) + + alignCmpFn = None + if(alignBy == 'vertCo'): + def evalCmp(criteria, pt1, pt2): + if(len(criteria) == 0): + return True + + minmax = criteria[0][0] + axisIdx = criteria[0][1] + val1 = pt1[axisIdx] + val2 = pt2[axisIdx] + + if(floatCmpWithMargin(val1, val2)): + criteria = criteria[:] + criteria.pop(0) + return evalCmp(criteria, pt1, pt2) + + return val1 < val2 if minmax == 'min' else val1 > val2 + + alignCri = [[a[:3], ord(a[3:]) - ord('X')] for a in alignValues] + alignCmpFn = lambda pt1, pt2, curve: (evalCmp(alignCri, \ + curve.matrix_world @ pt1, curve.matrix_world @ pt2)) + + startPt = None + startIdx = None + + for i in range(0, len(parts)): + #Only truly closed parts + if(alignCmpFn != None and parts[i].isClosed): + for j in range(0, parts[i].getSegCnt()): + seg = parts[i].getSeg(j) + if(j == 0 or alignCmpFn(seg.start, startPt, path.curve)): + startPt = seg.start + startIdx = j + + path.parts[i]= Part(path, parts[i].getSegsCopy(startIdx, None) + \ + parts[i].getSegsCopy(None, startIdx), parts[i].isClosed) + else: + path.parts[i] = parts[i] + +#TODO: Other shape key attributes like interpolation...? +def getExistingShapeKeyPaths(path): + obj = path.curve + paths = [] + + if(obj.data.shape_keys != None): + keyblocks = obj.data.shape_keys.key_blocks[1:]#Skip basis + for key in keyblocks: + datacopy = obj.data.copy() + i = 0 + for spline in datacopy.splines: + for pt in spline.bezier_points: + pt.co = key.data[i].co + pt.handle_left = key.data[i].handle_left + pt.handle_right = key.data[i].handle_right + i += 1 + paths.append(Path(obj, datacopy, key.name)) + return paths + +def addShapeKeys(curve, paths, space): + for path in paths: + key = curve.shape_key_add(name = path.name) + pts = [pt for pset in path.getBezierPtsBySpline() for pt in pset] + for i, pt in enumerate(pts): + if(space == 'worldspace'): + pt = [curve.matrix_world.inverted() @ (path.curve.matrix_world @ p) for p in pt] + key.data[i].co = pt[0] + key.data[i].handle_left = pt[1] + key.data[i].handle_right = pt[2] + +#TODO: Remove try +def safeRemoveCurveObj(obj): + try: + collections = obj.users_collection + + for c in collections: + c.objects.unlink(obj) + + if(obj.name in bpy.context.scene.collection.objects): + bpy.context.scene.collection.objects.unlink(obj) + + if(obj.data.users == 1): + if(obj.type == 'CURVE'): + bpy.data.curves.remove(obj.data) #This also removes object? + elif(obj.type == 'MESH'): + bpy.data.meshes.remove(obj.data) + + bpy.data.objects.remove(obj) + except: + pass + + +def markVertHandler(self, context): + if(self.markVertex): + bpy.ops.wm.mark_vertex() + + +#################### UI and Registration #################### + +class AssignShapeKeysOp(bpy.types.Operator): + bl_idname = "object.assign_shape_keys" + bl_label = "Assign Shape Keys" + bl_options = {'REGISTER', 'UNDO'} + + def execute(self, context): + params = context.window_manager.AssignShapeKeyParams + removeOriginal = params.removeOriginal + space = params.space + + matchParts = params.matchParts + matchCri1 = params.matchCri1 + matchCri2 = params.matchCri2 + matchCri3 = params.matchCri3 + + alignBy = params.alignList + alignVal1 = params.alignVal1 + alignVal2 = params.alignVal2 + alignVal3 = params.alignVal3 + + createdObjsMap = main(removeOriginal, space, \ + matchParts, [matchCri1, matchCri2, matchCri3], \ + alignBy, [alignVal1, alignVal2, alignVal3]) + + return {'FINISHED'} + + +class MarkerController: + drawHandlerRef = None + defPointSize = 6 + ptColor = (0, .8, .8, 1) + + def createSMMap(self, context): + objs = context.selected_objects + smMap = {} + for curve in objs: + if(not isBezier(curve)): + continue + + smMap[curve.name] = {} + mw = curve.matrix_world + for splineIdx, spline in enumerate(curve.data.splines): + if(not spline.use_cyclic_u): + continue + + #initialize to the curr start vert co and idx + smMap[curve.name][splineIdx] = \ + [mw @ curve.data.splines[splineIdx].bezier_points[0].co, 0] + + for pt in spline.bezier_points: + pt.select_control_point = False + + if(len(smMap[curve.name]) == 0): + del smMap[curve.name] + + return smMap + + def createBatch(self, context): + positions = [s[0] for cn in self.smMap.values() for s in cn.values()] + colors = [MarkerController.ptColor for i in range(0, len(positions))] + + self.batch = batch_for_shader(self.shader, \ + "POINTS", {"pos": positions, "color": colors}) + + if context.area: + context.area.tag_redraw() + + def drawHandler(self): + bgl.glPointSize(MarkerController.defPointSize) + self.batch.draw(self.shader) + + def removeMarkers(self, context): + if(MarkerController.drawHandlerRef != None): + bpy.types.SpaceView3D.draw_handler_remove(MarkerController.drawHandlerRef, \ + "WINDOW") + + if(context.area and hasattr(context.space_data, 'region_3d')): + context.area.tag_redraw() + + MarkerController.drawHandlerRef = None + + self.deselectAll() + + def __init__(self, context): + self.smMap = self.createSMMap(context) + self.shader = gpu.shader.from_builtin('3D_FLAT_COLOR') + self.shader.bind() + + MarkerController.drawHandlerRef = \ + bpy.types.SpaceView3D.draw_handler_add(self.drawHandler, \ + (), "WINDOW", "POST_VIEW") + + self.createBatch(context) + + def saveStartVerts(self): + for curveName in self.smMap.keys(): + curve = bpy.data.objects[curveName] + splines = curve.data.splines + spMap = self.smMap[curveName] + + for splineIdx in spMap.keys(): + markerInfo = spMap[splineIdx] + if(markerInfo[1] != 0): + pts = splines[splineIdx].bezier_points + loc, idx = markerInfo[0], markerInfo[1] + cnt = len(pts) + + ptCopy = [[p.co.copy(), p.handle_right.copy(), \ + p.handle_left.copy(), p.handle_right_type, \ + p.handle_left_type] for p in pts] + + for i, pt in enumerate(pts): + srcIdx = (idx + i) % cnt + p = ptCopy[srcIdx] + + #Must set the types first + pt.handle_right_type = p[3] + pt.handle_left_type = p[4] + pt.co = p[0] + pt.handle_right = p[1] + pt.handle_left = p[2] + + def updateSMMap(self): + for curveName in self.smMap.keys(): + curve = bpy.data.objects[curveName] + spMap = self.smMap[curveName] + mw = curve.matrix_world + + for splineIdx in spMap.keys(): + markerInfo = spMap[splineIdx] + loc, idx = markerInfo[0], markerInfo[1] + pts = curve.data.splines[splineIdx].bezier_points + + selIdxs = [x for x in range(0, len(pts)) \ + if pts[x].select_control_point == True] + + selIdx = selIdxs[0] if(len(selIdxs) > 0 ) else idx + co = mw @ pts[selIdx].co + self.smMap[curveName][splineIdx] = [co, selIdx] + + def deselectAll(self): + for curveName in self.smMap.keys(): + curve = bpy.data.objects[curveName] + for spline in curve.data.splines: + for pt in spline.bezier_points: + pt.select_control_point = False + + def getSpaces3D(context): + areas3d = [area for area in context.window.screen.areas \ + if area.type == 'VIEW_3D'] + + return [s for a in areas3d for s in a.spaces if s.type == 'VIEW_3D'] + + def hideHandles(context): + states = [] + spaces = MarkerController.getSpaces3D(context) + for s in spaces: + states.append(s.overlay.show_curve_handles) + s.overlay.show_curve_handles = False + return states + + def resetShowHandleState(context, handleStates): + spaces = MarkerController.getSpaces3D(context) + for i, s in enumerate(spaces): + s.overlay.show_curve_handles = handleStates[i] + + +class ModalMarkSegStartOp(bpy.types.Operator): + bl_description = "Mark Vertex" + bl_idname = "wm.mark_vertex" + bl_label = "Mark Start Vertex" + + def cleanup(self, context): + wm = context.window_manager + wm.event_timer_remove(self._timer) + self.markerState.removeMarkers(context) + MarkerController.resetShowHandleState(context, self.handleStates) + context.window_manager.AssignShapeKeyParams.markVertex = False + + def modal (self, context, event): + params = context.window_manager.AssignShapeKeyParams + + if(context.mode == 'OBJECT' or event.type == "ESC" or\ + not context.window_manager.AssignShapeKeyParams.markVertex): + self.cleanup(context) + return {'CANCELLED'} + + elif(event.type == "RET"): + self.markerState.saveStartVerts() + self.cleanup(context) + return {'FINISHED'} + + if(event.type == 'TIMER'): + self.markerState.updateSMMap() + self.markerState.createBatch(context) + + elif(event.type in {'LEFT_CTRL', 'RIGHT_CTRL'}): + self.ctrl = (event.value == 'PRESS') + + elif(event.type in {'LEFT_SHIFT', 'RIGHT_SHIFT'}): + self.shift = (event.value == 'PRESS') + + if(event.type not in {"MIDDLEMOUSE", "TAB", "LEFTMOUSE", \ + "RIGHTMOUSE", 'WHEELDOWNMOUSE', 'WHEELUPMOUSE'} and \ + not event.type.startswith("NUMPAD_")): + return {'RUNNING_MODAL'} + + return {"PASS_THROUGH"} + + def execute(self, context): + #TODO: Why such small step? + self._timer = context.window_manager.event_timer_add(time_step = 0.0001, \ + window = context.window) + self.ctrl = False + self.shift = False + + context.window_manager.modal_handler_add(self) + self.markerState = MarkerController(context) + + #Hide so that users don't accidentally select handles instead of points + self.handleStates = MarkerController.hideHandles(context) + + return {"RUNNING_MODAL"} + + +class AssignShapeKeyParams(bpy.types.PropertyGroup): + + removeOriginal : BoolProperty(name = "Remove Shape Key Objects", \ + description = "Remove shape key objects after assigning to target", \ + default = True) + + space : EnumProperty(name = "Space", \ + items = [('worldspace', 'World Space', 'worldspace'), + ('localspace', 'Local Space', 'localspace')], \ + description = 'Space that shape keys are evluated in') + + alignList : EnumProperty(name="Vertex Alignment", items = \ + [("-None-", 'Manual Alignment', "Align curve segments based on starting vertex"), \ + ('vertCo', 'Vertex Coordinates', 'Align curve segments based on vertex coordinates')], \ + description = 'Start aligning the vertices of target and shape keys from', + default = '-None-') + + alignVal1 : EnumProperty(name="Value 1", + items = matchList, default = 'minX', description='First align criterion') + + alignVal2 : EnumProperty(name="Value 2", + items = matchList, default = 'maxY', description='Second align criterion') + + alignVal3 : EnumProperty(name="Value 3", + items = matchList, default = 'minZ', description='Third align criterion') + + matchParts : EnumProperty(name="Match Parts", items = \ + [("-None-", 'None', "Don't match parts"), \ + ('default', 'Default', 'Use part (spline) order as in curve'), \ + ('custom', 'Custom', 'Use one of the custom criteria for part matching')], \ + description='Match disconnected parts', default = 'default') + + matchCri1 : EnumProperty(name="Value 1", + items = matchList, default = 'minX', description='First match criterion') + + matchCri2 : EnumProperty(name="Value 2", + items = matchList, default = 'maxY', description='Second match criterion') + + matchCri3 : EnumProperty(name="Value 3", + items = matchList, default = 'minZ', description='Third match criterion') + + markVertex : BoolProperty(name="Mark Starting Vertices", \ + description='Mark first vertices in all splines of selected curves', \ + default = False, update = markVertHandler) + + +class AssignShapeKeysPanel(bpy.types.Panel): + + bl_label = "Assign Shape Keys" + bl_idname = "CURVE_PT_assign_shape_keys" + bl_space_type = 'VIEW_3D' + bl_region_type = 'UI' + bl_category = "Tool" + + @classmethod + def poll(cls, context): + return context.mode in {'OBJECT', 'EDIT_CURVE'} + + def draw(self, context): + + layout = self.layout + col = layout.column() + params = context.window_manager.AssignShapeKeyParams + + if(context.mode == 'OBJECT'): + row = col.row() + row.prop(params, "removeOriginal") + + row = col.row() + row.prop(params, "space") + + row = col.row() + row.prop(params, "alignList") + + if(params.alignList == 'vertCo'): + row = col.row() + row.prop(params, "alignVal1") + row.prop(params, "alignVal2") + row.prop(params, "alignVal3") + + row = col.row() + row.prop(params, "matchParts") + + if(params.matchParts == 'custom'): + row = col.row() + row.prop(params, "matchCri1") + row.prop(params, "matchCri2") + row.prop(params, "matchCri3") + + row = col.row() + row.operator("object.assign_shape_keys") + else: + col.prop(params, "markVertex", \ + toggle = True) + + +# registering and menu integration +def register(): + bpy.utils.register_class(AssignShapeKeysPanel) + bpy.utils.register_class(AssignShapeKeysOp) + bpy.utils.register_class(AssignShapeKeyParams) + bpy.types.WindowManager.AssignShapeKeyParams = \ + bpy.props.PointerProperty(type=AssignShapeKeyParams) + bpy.utils.register_class(ModalMarkSegStartOp) + +def unregister(): + bpy.utils.unregister_class(AssignShapeKeysOp) + bpy.utils.unregister_class(AssignShapeKeysPanel) + del bpy.types.WindowManager.AssignShapeKeyParams + bpy.utils.unregister_class(AssignShapeKeyParams) + bpy.utils.unregister_class(ModalMarkSegStartOp) + +if __name__ == "__main__": + register() -- 2.11.4.GIT