"""
Author: Jeremy Ernst
"""
from functools import partial
import maya.cmds as cmds
import System.utils as utils
from ThirdParty.Qt import QtCore, QtWidgets
[docs]class ART_BakeOffsets():
"""
This clas builds a UI that allows the rigger to select modules to bake offset mover values up to the global mover
controls, making the offset movers no longer offset from their global mover parents. It can be found on the rig
creator toolbar with the following icon:
.. image:: /images/bakeOffsetsButton.png
The full interface looks like this, listing found modules in the scene to select and bake offsets down to.
.. image:: /images/bakeOffsets.png
"""
[docs] def __init__(self, mainUI):
"""
Instantiates the class, getting the QSettings and then calling on ART_BakeOffsetsUI.buildBakeOffsetsUI to
create the interface.
:param mainUI: The instance of the Rig Creator UI where this class was called from.
.. seealso:: ART_BakeOffsetsUI.buildBakeOffsetsUI
"""
# get the directory path of the tools
settings = QtCore.QSettings("Epic Games", "ARTv2")
self.toolsPath = settings.value("toolsPath")
self.iconsPath = settings.value("iconPath")
self.mainUI = mainUI
# build the UI
self.buildBakeOffsetsUI()
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[docs] def buildBakeOffsetsUI(self):
"""
Builds the interface, finding all modules and listing them for selection.
"""
if cmds.window("ART_BakeOffsetsWin", exists=True):
cmds.deleteUI("ART_BakeOffsetsWin", wnd=True)
# launch a UI to get the name information
self.bakeOffsetsWin = QtWidgets.QMainWindow(self.mainUI)
# load stylesheet
styleSheetFile = utils.returnNicePath(self.toolsPath, "Core/Scripts/Interfaces/StyleSheets/mainScheme.qss")
f = open(styleSheetFile, "r")
self.style = f.read()
f.close()
self.bakeOffsetsWin.setStyleSheet(self.style)
# size policies
mainSizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
# create the main widget
self.bakeOffsetsWin_mainWidget = QtWidgets.QWidget()
self.bakeOffsetsWin.setCentralWidget(self.bakeOffsetsWin_mainWidget)
# set qt object name
self.bakeOffsetsWin.setObjectName("ART_BakeOffsetsWin")
self.bakeOffsetsWin.setWindowTitle("Bake Offsets")
# create the mainLayout for the rig creator UI
self.bakeOffsetsWin_mainLayout = QtWidgets.QVBoxLayout(self.bakeOffsetsWin_mainWidget)
self.bakeOffsetsWin_mainLayout.setContentsMargins(0, 0, 0, 0)
self.bakeOffsetsWin.resize(400, 250)
self.bakeOffsetsWin.setSizePolicy(mainSizePolicy)
self.bakeOffsetsWin.setMinimumSize(QtCore.QSize(400, 250))
self.bakeOffsetsWin.setMaximumSize(QtCore.QSize(400, 250))
# create the background
self.bakeOffsetsWin_frame = QtWidgets.QFrame()
self.bakeOffsetsWin_mainLayout.addWidget(self.bakeOffsetsWin_frame)
# create the layout for the widgets
self.bakeOffsetsWin_widgetLayout = QtWidgets.QHBoxLayout(self.bakeOffsetsWin_frame)
self.bakeOffsetsWin_widgetLayout.setContentsMargins(5, 5, 5, 5)
# add the QListWidget Frame
self.bakeOffsetsWin_moduleListFrame = QtWidgets.QFrame()
self.bakeOffsetsWin_moduleListFrame.setMinimumSize(QtCore.QSize(265, 200))
self.bakeOffsetsWin_moduleListFrame.setMaximumSize(QtCore.QSize(265, 200))
self.bakeOffsetsWin_moduleListFrame.setContentsMargins(20, 0, 20, 0)
# create the list widget
self.bakeOffsetsWin_moduleList = QtWidgets.QListWidget(self.bakeOffsetsWin_moduleListFrame)
self.bakeOffsetsWin_widgetLayout.addWidget(self.bakeOffsetsWin_moduleListFrame)
self.bakeOffsetsWin_moduleList.setMinimumSize(QtCore.QSize(265, 200))
self.bakeOffsetsWin_moduleList.setMaximumSize(QtCore.QSize(265, 200))
self.bakeOffsetsWin_moduleList.setSelectionMode(QtWidgets.QAbstractItemView.MultiSelection)
self.bakeOffsetsWin_moduleList.setSpacing(3)
# add the layout for the buttons
self.bakeOffsetsWin_buttonLayoutAll = QtWidgets.QVBoxLayout()
self.bakeOffsetsWin_widgetLayout.addLayout(self.bakeOffsetsWin_buttonLayoutAll)
self.bakeOffsetsWin_buttonLayoutAll.setContentsMargins(5, 20, 5, 20)
# add the selection buttons
self.bakeOffsetsWin_selectionButtonLayout = QtWidgets.QVBoxLayout()
self.bakeOffsetsWin_buttonLayoutAll.addLayout(self.bakeOffsetsWin_selectionButtonLayout)
self.bakeOffsetsWin_selectAllButton = QtWidgets.QPushButton("Select All")
self.bakeOffsetsWin_selectAllButton.setMinimumSize(QtCore.QSize(115, 25))
self.bakeOffsetsWin_selectAllButton.setMaximumSize(QtCore.QSize(115, 25))
self.bakeOffsetsWin_selectionButtonLayout.addWidget(self.bakeOffsetsWin_selectAllButton)
self.bakeOffsetsWin_selectAllButton.clicked.connect(self.bakeOffsetsWin_moduleList.selectAll)
self.bakeOffsetsWin_selectAllButton.setObjectName("blueButton")
self.bakeOffsetsWin_selectNoneButton = QtWidgets.QPushButton("Clear Selection")
self.bakeOffsetsWin_selectNoneButton.setMinimumSize(QtCore.QSize(115, 25))
self.bakeOffsetsWin_selectNoneButton.setMaximumSize(QtCore.QSize(115, 25))
self.bakeOffsetsWin_selectionButtonLayout.addWidget(self.bakeOffsetsWin_selectNoneButton)
self.bakeOffsetsWin_selectNoneButton.clicked.connect(self.bakeOffsetsWin_moduleList.clearSelection)
self.bakeOffsetsWin_selectNoneButton.setObjectName("blueButton")
# spacer
spacerItem = QtWidgets.QSpacerItem(20, 80, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.bakeOffsetsWin_selectionButtonLayout.addItem(spacerItem)
# add the buttons for reset settings and reset transforms
self.bakeOffsetsWin_bakeOFfsetsBtn = QtWidgets.QPushButton("Bake Offsets")
self.bakeOffsetsWin_bakeOFfsetsBtn.setMinimumSize(QtCore.QSize(115, 25))
self.bakeOffsetsWin_bakeOFfsetsBtn.setMaximumSize(QtCore.QSize(115, 25))
self.bakeOffsetsWin_selectionButtonLayout.addWidget(self.bakeOffsetsWin_bakeOFfsetsBtn)
self.bakeOffsetsWin_bakeOFfsetsBtn.setToolTip("Turn on Aim Mode for selected modules.")
self.bakeOffsetsWin_bakeOFfsetsBtn.clicked.connect(partial(self.bakeOffsets))
self.bakeOffsetsWin_bakeOFfsetsBtn.setObjectName("blueButton")
# populate the list widget
modules = utils.returnRigModules()
for module in modules:
# get module name
moduleName = cmds.getAttr(module + ".moduleName")
if moduleName != "root":
self.bakeOffsetsWin_moduleList.addItem(moduleName)
# show the window
self.bakeOffsetsWin.show()
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[docs] def bakeOffsets(self):
"""
Tales selected modules listed in the QListWidget and bakes the offset mover values up to the global mover
parent. This is achieved by creating a locator in the space of the offset mover, zeroing the offset mover
out, and constraining the global mover to the constraint. Finally, the constraints are removed and the
locators deleted.
"""
selected = self.bakeOffsetsWin_moduleList.selectedItems()
items = []
for each in selected:
items.append(each.text())
constraints = []
locators = []
# go through each module and create the locators for the offset movers
for each in self.mainUI.moduleInstances:
name = each.name
if name in items:
# get movers
jointMovers = each.returnJointMovers
# separate mover lists
globalMovers = jointMovers[0]
offsetMovers = jointMovers[1]
# create locators for the offsetMovers, then zero out offset mover
for mover in offsetMovers:
locatorName = mover.partition("_offset")[0] + "_loc"
loc = cmds.spaceLocator(name=locatorName)[0]
# constrain locator
constraint = cmds.parentConstraint(mover, loc)[0]
cmds.delete(constraint)
# parent locator under a copy of the locatorName
parentLoc = cmds.duplicate(loc)[0]
cmds.parent(loc, parentLoc)
locators.append(parentLoc)
for mover in offsetMovers:
for attr in [".tx", ".ty", ".tz", ".rx", ".ry", ".rz"]:
try:
cmds.setAttr(mover + attr, 0)
except:
pass
# now, for each global mover, find child groups that are constrained to them
for each in self.mainUI.moduleInstances:
name = each.name
if name in items:
# get movers
jointMovers = each.returnJointMovers
# separate mover lists
globalMovers = jointMovers[0]
offsetMovers = jointMovers[1]
childGrps = []
for mover in globalMovers:
try:
# find the mover group constrained to this mover (if any)
connection = cmds.listConnections(mover, type="parentConstraint")[0]
grp = cmds.listConnections(connection + ".constraintRotateX")[0]
if grp.find("_mover_grp") != -1:
childGrps.append([mover, grp])
# now take this group and delete the constraints
cmds.select(grp)
cmds.delete(constraints=True)
except Exception, e:
print e
# now snap global movers to offset movers
for each in self.mainUI.moduleInstances:
name = each.name
if name in items:
# get movers
jointMovers = each.returnJointMovers
# separate mover lists
globalMovers = jointMovers[0]
offsetMovers = jointMovers[1]
for mover in globalMovers:
if cmds.objExists(mover + "_loc"):
constraint = cmds.parentConstraint(mover + "_loc", mover)[0]
constraints.append(constraint)
# now remove all locs
for const in constraints:
cmds.delete(const)
for loc in locators:
cmds.delete(loc)
# finally, reconstrain mover_grps to their movers
cmds.refresh(force=True)
for group in childGrps:
cmds.parentConstraint(group[0], group[1], mo=True)
cmds.scaleConstraint(group[0], group[1])
cmds.select(clear=True)