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createController.py
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createController.py
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import os
import maya.mel as mel
import maya.cmds as cmds
import maya.OpenMayaUI as omui
from shiboken2 import wrapInstance
from PySide2 import QtWidgets, QtCore, QtGui
spath = os.path.dirname(__file__)
spath = spath.replace("\\", "/")
class CreateControllerUI(QtWidgets.QDialog):
def __init__(self, parent=None):
super(CreateControllerUI, self).__init__(parent)
self.setWindowTitle("Create Controller")
self.setFixedSize(356, 250)
self.setWindowFlags(self.windowFlags() ^ QtCore.Qt.WindowContextHelpButtonHint)
mainLayout = QtWidgets.QVBoxLayout(self)
self.createRadio = QtWidgets.QRadioButton("Create")
self.changeShapeRadio = QtWidgets.QRadioButton("Change Shape")
self.createRadio.setChecked(True)
self.rangeCombo = QtWidgets.QComboBox()
self.rangeCombo.addItems(["Only Ctrl", "Constraint", "Joint Based", "Connection"])
self.rangeCombo.setFixedWidth(188)
radioComboLayout = QtWidgets.QHBoxLayout()
radioComboLayout.addWidget(self.createRadio)
radioComboLayout.addWidget(self.rangeCombo)
radioLayout = QtWidgets.QVBoxLayout()
radioLayout.addLayout(radioComboLayout)
radioLayout.addWidget(self.changeShapeRadio)
mainLayout.addLayout(radioLayout)
scrollArea = QtWidgets.QScrollArea()
scrollArea.setWidgetResizable(True)
mainLayout.addWidget(scrollArea)
self.scrollWidget = QtWidgets.QWidget()
scrollArea.setWidget(self.scrollWidget)
self.gridLayout = QtWidgets.QGridLayout(self.scrollWidget)
buttonSize = 50
self.shapeFolder = os.path.join(spath, 'icons')
self.shapeFiles = [f for f in os.listdir(self.shapeFolder) if f.endswith('.png')]
self.buttonIconMap = {}
for i, shapeFile in enumerate(self.shapeFiles):
button = QtWidgets.QPushButton()
button.setFixedSize(buttonSize, buttonSize)
iconPath = os.path.join(self.shapeFolder, shapeFile)
button.setIcon(QtGui.QIcon(iconPath))
button.setIconSize(QtCore.QSize(buttonSize, buttonSize))
row, col = i // 5, i % 5
self.gridLayout.addWidget(button, row, col)
self.buttonIconMap[button] = shapeFile
button.clicked.connect(self.buttonClicked)
self.changeShapeRadio.toggled.connect(self.toggleComboLock)
def toggleComboLock(self, checked):
"""Toggle the combo box based on the radio button state."""
self.rangeCombo.setEnabled(not checked)
def buttonClicked(self):
"""Handle button clicks to create or change controllers."""
cmds.undoInfo(openChunk=True)
sender = self.sender()
selectedRange = self.rangeCombo.currentText()
if self.createRadio.isChecked():
sel = cmds.ls(sl=True)
if not sel:
self.createCurve()
else:
if selectedRange == 'Only Ctrl':
self.createOnlyCtrl(sel)
elif selectedRange == 'Constraint':
self.createConstraint(sel)
elif selectedRange == 'Joint Based':
self.createJointBased(sel)
elif selectedRange == 'Connection':
self.createConnection(sel)
if self.changeShapeRadio.isChecked():
self.changeCurve()
cmds.undoInfo(closeChunk=True)
def createOnlyCtrl(self, selection):
"""Create controllers and parent them to selected objects."""
for obj in selection:
ctrl = self.createCurve()
cmds.parentConstraint(obj, ctrl, mo=False)
cmds.delete(ctrl, cn=True)
def createConstraint(self, selection):
"""Create controllers with constraints to selected objects."""
for obj in selection:
trans = cmds.createNode("transform", name=obj + "_ctrl")
transOff = cmds.createNode("transform", name=trans + "_off")
cmds.parent(trans, transOff)
ctrl = self.createCurve()
ccshape = cmds.listRelatives(ctrl, shapes=True)
cmds.delete(cmds.parentConstraint(obj, transOff, mo=False))
cmds.parentConstraint(trans, obj, mo=True)
cmds.scaleConstraint(trans, obj, mo=True)
cmds.parent(ccshape, trans, relative=True, shape=True)
cmds.delete(ctrl)
def createJointBased(self, selection):
"""Create joint-based controllers for selected objects."""
for obj in selection:
trans = cmds.createNode("transform", name=obj + "_ctrl")
transOff = cmds.createNode("transform", name=trans + "_off")
cmds.parent(trans, transOff)
jnt = cmds.createNode("joint", name=obj + "_jj")
ctrl = self.createCurve()
ctrlShape = cmds.listRelatives(ctrl, shapes=True)
cmds.delete(cmds.parentConstraint(obj, transOff, mo=False))
cmds.parentConstraint(trans, jnt, mo=False)
cmds.scaleConstraint(trans, jnt, mo=True)
cmds.parent(ctrlShape, trans, relative=True, shape=True)
cmds.delete(ctrl)
cmds.skinCluster(jnt, obj)
def createConnection(self, selection):
"""Create controllers with connections to selected objects' attributes."""
axies = "XYZ"
attrs = ["translate", "rotate", "scale"]
for obj in selection:
selOff = cmds.createNode("transform", name=obj + "_off")
cmds.delete(cmds.parentConstraint(obj, selOff, mo=False))
cmds.parent(obj, selOff)
trans = cmds.createNode("transform", name=obj + "_ctrl")
transOff = cmds.createNode("transform", name=trans + "_off")
cmds.parent(trans, transOff)
cmds.delete(cmds.parentConstraint(obj, transOff, mo=False))
for attr in attrs:
for axis in axies:
cmds.connectAttr(trans + "." + attr + axis, obj + "." + attr + axis)
ctrl = self.createCurve()
ctrlShape = cmds.listRelatives(ctrl, shapes=True)
cmds.parent(ctrlShape, trans, relative=True, shape=True)
cmds.delete(ctrl)
def createCurve(self):
"""Create a curve based on the selected button's icon."""
sender = self.sender()
clickedIcon = self.buttonIconMap.get(sender)
if clickedIcon:
shapeName = clickedIcon.replace('.png', '.mel')
shapePath = os.path.join(f'{spath}/shapes/', shapeName)
name = shapeName.split(".")[0]
if os.path.exists(shapePath):
trans = cmds.createNode('transform', name=name)
mel.eval(f'source "{shapePath}";')
shape = cmds.listRelatives(trans, s=True)[0]
print(shape)
cmds.rename(shape, f'{name}Shape')
return trans
else:
print(f"Shape file not found: {shapePath}")
return None
def changeCurve(self):
"""Replace selected controllers with new curves."""
oldCtrls = cmds.ls(sl=True)
for oldCtrl in oldCtrls:
newCtrl = self.createCurve()
if newCtrl:
cmds.delete(cmds.parentConstraint(oldCtrl, newCtrl))
cmds.parent(newCtrl, oldCtrl)
cmds.makeIdentity(newCtrl, apply=True)
oldShapes = cmds.listRelatives(oldCtrl, type="shape")
ctrlShapes = cmds.listRelatives(newCtrl, type="shape")
for oldShape in oldShapes:
if cmds.getAttr(oldShape + ".overrideEnabled"):
getColor = cmds.getAttr(oldShape + ".overrideColor")
for ctrlShape in ctrlShapes:
cmds.setAttr(ctrlShape + ".overrideEnabled", 1)
cmds.setAttr(ctrlShape + ".overrideColor", getColor)
for ctrlShape in ctrlShapes:
cmds.parent(cmds.rename(ctrlShape, oldCtrl + "Shape#"), oldCtrl, relative=True, shape=True)
cmds.delete(newCtrl)
cmds.delete(oldShapes)
cmds.select(clear=True)
def launchUI():
"""Run the UI."""
if QtWidgets.QApplication.instance():
for win in QtWidgets.QApplication.allWindows():
if "CreateControllerUI" in win.objectName():
win.destroy()
mayaMainWindowPtr = omui.MQtUtil.mainWindow()
mayaMainWindow = wrapInstance(int(mayaMainWindowPtr), QtWidgets.QWidget)
CreateControllerUI.window = CreateControllerUI(parent=mayaMainWindow)
CreateControllerUI.window.setObjectName("CreateControllerUI") # code above uses this to ID any existing windows
CreateControllerUI.window.setWindowTitle('Create Controller')
CreateControllerUI.window.show()