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"""
Author: Jeremy Ernst
This class builds the interface for exporting skin weights for each piece of selected geometry.
===============
Class
===============
"""
import os
from functools import partial
import maya.cmds as cmds
import System.riggingUtils as riggingUtils
import System.utils as utils
from ThirdParty.Qt import QtGui, QtCore, QtWidgets
class ART_ExportSkinWeights():
def __init__(self, mainUI):
"""
Instantiate the class, getting the settings from QSettings, then build the interface.
:param mainUI: instance of the rig creator interface
"""
# 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.buildExportWeightsUI()
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
def buildExportWeightsUI(self):
"""
Build the interface for exporting the skin weights. An entry is added for each piece of selected geometry.
The user then has the ability to specify a .weight file name for the associated geometry.
The user also specifies where they would like the weight files saved to.
.. image:: /images/exportWeights.png
"""
if cmds.window("ART_exportSkinWeightsUI", exists=True):
cmds.deleteUI("ART_exportSkinWeightsUI", wnd=True)
# launch a UI to get the name information
self.exportSkinWeights_Win = QtWidgets.QMainWindow(self.mainUI)
# size policies
mainSizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
# load stylesheet
styleSheetFile = utils.returnNicePath(self.toolsPath, "Core/Scripts/Interfaces/StyleSheets/mainScheme.qss")
f = open(styleSheetFile, "r")
self.style = f.read()
f.close()
# create the main widget
self.exportSkinWeights_mainWidget = QtWidgets.QWidget()
self.exportSkinWeights_Win.setCentralWidget(self.exportSkinWeights_mainWidget)
# set qt object name
self.exportSkinWeights_Win.setObjectName("ART_exportSkinWeightsUI")
self.exportSkinWeights_Win.setWindowTitle("Export Skin Weights")
# create the mainLayout for the ui
self.exportSkinWeights_mainLayout = QtWidgets.QVBoxLayout(self.exportSkinWeights_mainWidget)
self.exportSkinWeights_mainLayout.setContentsMargins(5, 5, 5, 5)
self.exportSkinWeights_Win.resize(450, 600)
self.exportSkinWeights_Win.setSizePolicy(mainSizePolicy)
self.exportSkinWeights_Win.setMinimumSize(QtCore.QSize(450, 600))
self.exportSkinWeights_Win.setMaximumSize(QtCore.QSize(450, 600))
# create the background image
self.exportSkinWeights_frame = QtWidgets.QFrame()
self.exportSkinWeights_mainLayout.addWidget(self.exportSkinWeights_frame)
self.exportSkinWeights_frame.setObjectName("dark")
# create widgetLayout
self.exportSkinWeights_widgetLayout = QtWidgets.QVBoxLayout(self.exportSkinWeights_frame)
# create the hboxLayout for lineEdit and browser button
self.exportSkinWeights_browseLayout = QtWidgets.QHBoxLayout()
self.exportSkinWeights_widgetLayout.addLayout(self.exportSkinWeights_browseLayout)
# create the line edit for the export path
self.exportSkinWeights_lineEdit = QtWidgets.QLineEdit(utils.returnFriendlyPath(self.toolsPath))
self.exportSkinWeights_browseLayout.addWidget(self.exportSkinWeights_lineEdit)
self.exportSkinWeights_browseBtn = QtWidgets.QPushButton()
self.exportSkinWeights_browseLayout.addWidget(self.exportSkinWeights_browseBtn)
self.exportSkinWeights_browseBtn.setMinimumSize(35, 35)
self.exportSkinWeights_browseBtn.setMaximumSize(35, 35)
icon = QtGui.QIcon(os.path.join(self.iconsPath, "System/fileBrowse.png"))
self.exportSkinWeights_browseBtn.setIconSize(QtCore.QSize(30, 30))
self.exportSkinWeights_browseBtn.setIcon(icon)
self.exportSkinWeights_browseBtn.clicked.connect(partial(self.exportSkinWeights_fileBrowse))
# scroll area contents
self.exportSkinWeights_scrollContents = QtWidgets.QFrame()
self.exportSkinWeights_scrollContents.setObjectName("light")
# Layout of Container Widget
self.exportSkinWeights_VLayout = QtWidgets.QVBoxLayout()
# find selected geometry and populate scroll area
self.exportSkinWeights_populate()
# add scrollArea for selected geo, skinFileName, and checkbox for exporting
self.exportSkinWeights_scrollLayout = QtWidgets.QScrollArea()
self.exportSkinWeights_widgetLayout.addWidget(self.exportSkinWeights_scrollLayout)
self.exportSkinWeights_scrollLayout.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.exportSkinWeights_scrollLayout.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn)
self.exportSkinWeights_scrollLayout.setWidgetResizable(False)
self.exportSkinWeights_scrollLayout.setWidget(self.exportSkinWeights_scrollContents)
# lastly, export button
font = QtGui.QFont()
font.setPointSize(8)
font.setBold(True)
self.exportSkinWeights_exportBtnLayout = QtWidgets.QHBoxLayout()
self.exportSkinWeights_widgetLayout.addLayout(self.exportSkinWeights_exportBtnLayout)
self.exportSkinWeights_RefreshBtn = QtWidgets.QPushButton("Refresh")
self.exportSkinWeights_exportBtnLayout.addWidget(self.exportSkinWeights_RefreshBtn)
self.exportSkinWeights_RefreshBtn.setMinimumSize(QtCore.QSize(70, 50))
self.exportSkinWeights_RefreshBtn.setMaximumSize(QtCore.QSize(70, 50))
self.exportSkinWeights_RefreshBtn.setFont(font)
self.exportSkinWeights_RefreshBtn.clicked.connect(partial(self.buildExportWeightsUI))
self.exportSkinWeights_RefreshBtn.setObjectName("blueButton")
self.exportSkinWeights_ExportBtn = QtWidgets.QPushButton("EXPORT WEIGHTS")
self.exportSkinWeights_exportBtnLayout.addWidget(self.exportSkinWeights_ExportBtn)
self.exportSkinWeights_ExportBtn.setMinimumSize(QtCore.QSize(350, 50))
self.exportSkinWeights_ExportBtn.setMaximumSize(QtCore.QSize(350, 50))
self.exportSkinWeights_ExportBtn.setFont(font)
self.exportSkinWeights_ExportBtn.clicked.connect(partial(self.exportSkinWeights_doExport))
self.exportSkinWeights_ExportBtn.setObjectName("blueButton")
# show window
self.exportSkinWeights_Win.show()
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
def exportSkinWeights_populate(self):
"""
Populate the interface with an entry for each mesh the user has selected.
This entry includes the mesh name, an QLineEdit to specify a file name for the .weight file, and a checkbox
as to whether or not the user wants to export weights for that mesh.
"""
# get current selection
selection = cmds.ls(sl=True)
if len(selection) > 0:
# Create headers
font = QtGui.QFont()
font.setPointSize(12)
font.setBold(True)
headerLayout = QtWidgets.QHBoxLayout()
self.exportSkinWeights_VLayout.addLayout(headerLayout)
headerExport = QtWidgets.QLabel(" ")
headerLayout.addWidget(headerExport)
headerExport.setStyleSheet("background: transparent;")
headerGeo = QtWidgets.QLabel("Mesh")
headerGeo.setMinimumSize(QtCore.QSize(180, 20))
headerGeo.setMaximumSize(QtCore.QSize(180, 20))
headerLayout.addWidget(headerGeo)
headerGeo.setFont(font)
headerGeo.setStyleSheet("background: transparent;")
headerFileName = QtWidgets.QLabel("FileName")
headerLayout.addWidget(headerFileName)
headerFileName.setMinimumSize(QtCore.QSize(180, 20))
headerFileName.setMaximumSize(QtCore.QSize(180, 20))
headerFileName.setFont(font)
headerFileName.setStyleSheet("background: transparent;")
# loop through selection, checking selection is valid and has skinCluster
for each in selection:
# get dagPath of each
dagPath = cmds.ls(each, long=True)[0]
skinCluster = riggingUtils.findRelatedSkinCluster(dagPath)
if skinCluster is not None:
# create HBoxLayout
layout = QtWidgets.QHBoxLayout()
layout.setSpacing(10)
self.exportSkinWeights_VLayout.addLayout(layout)
# create checkbox
checkBox = QtWidgets.QCheckBox()
layout.addWidget(checkBox)
checkBox.setChecked(True)
# create non editable line edit
niceName = each.rpartition("|")[2]
geoName = QtWidgets.QLabel(niceName + " : ")
geoName.setProperty("dag", dagPath)
layout.addWidget(geoName)
geoName.setMinimumSize(QtCore.QSize(180, 30))
geoName.setMaximumSize(QtCore.QSize(180, 30))
# create editable line edit
if cmds.objExists(dagPath + ".weightFile"):
path = cmds.getAttr(dagPath + ".weightFile")
niceName = path.rpartition("/")[2].partition(".")[0]
dirPath = path.rpartition("/")[0]
dirPath = utils.returnFriendlyPath(dirPath)
self.exportSkinWeights_lineEdit.setText(dirPath)
skinFileName = QtWidgets.QLineEdit(niceName)
layout.addWidget(skinFileName)
skinFileName.setMinimumSize(QtCore.QSize(170, 30))
skinFileName.setMaximumSize(QtCore.QSize(170, 30))
# add spacer
self.exportSkinWeights_scrollContents.setLayout(self.exportSkinWeights_VLayout)
else:
label = QtWidgets.QLabel("No Geometry Selected For Export. Select Geometry and Relaunch.")
label.setAlignment(QtCore.Qt.AlignCenter)
self.exportSkinWeights_VLayout.addWidget(label)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
def exportSkinWeights_fileBrowse(self):
"""
Open a file dialog that the user can use to browse to the output directory of their choice for saving the
.weight files to.
"""
# Need support for defaulting to current project character was last published to and creating character skin
# weights folder
try:
path = cmds.fileDialog2(fm=3, dir=self.toolsPath)[0]
nicePath = utils.returnFriendlyPath(path)
self.exportSkinWeights_lineEdit.setText(nicePath)
except:
pass
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
def exportSkinWeights_doExport(self):
"""
Gather the information from the interface and export the skin weights with that information.
For each piece of geometry, built the path of the .weight file by joining the output path and the .weight
file name, then call on export_skin_weights from riggingUtils, passing in the .weight file path and the mesh.
"""
# get the export path
exportPath = self.exportSkinWeights_lineEdit.text()
value = False
# find each lineEdit in the scrollArea and get the entered text
for i in range(self.exportSkinWeights_VLayout.count()):
hboxLayout = self.exportSkinWeights_VLayout.itemAt(i)
for x in range(hboxLayout.count()):
widget = hboxLayout.itemAt(x)
# go through each widget in the hboxLayout, and get values
if type(widget.widget()) == QtWidgets.QLabel:
geoName = widget.widget().text().partition(" :")[0]
dagname = widget.widget().property("dag")
# see if the user wants to export the weights for this entry
if type(widget.widget()) == QtWidgets.QCheckBox:
value = widget.widget().isChecked()
# get the fileName
if type(widget.widget()) == QtWidgets.QLineEdit:
fileName = widget.widget().text()
if fileName.find(":") is not -1:
# name contains invalid characters for file name.
cmds.warning("file name contains invalid characters: ':'")
return
# create the full path
fullPath = utils.returnNicePath(exportPath, fileName + ".weights")
if value:
# if the checkbox is checked, export skin weights
# export the skin data
riggingUtils.export_skin_weights(fullPath, dagname)
# add exportPath attribute to geometry if it doesn't exist
if not cmds.objExists(dagname + ".weightFile"):
cmds.addAttr(dagname, longName="weightFile", dt="string", keyable=True)
cmds.setAttr(dagname + ".weightFile", fullPath, type="string")
# close the UI
self.exportSkinWeights_Win.close()
# notify user
try:
cmds.inViewMessage(amg='<hl>All Weights Have Been Exported</hl>.', pos='midCenter', fade=True)
except:
print("All Weights Have Been Exported.")
|