def getSpaceTargetsNames(src):
'''
this procedure returns a 2-tuple: a list of all targets, and a list of user
specified names - for the right click menus
'''
constraint = findConstraint(src)
if constraint is None:
return [], []
space = findSpace(src, constraint)
if space is None:
return [], []
constraintType = nodeType(constraint)
constraintFunc = getattr(cmd, constraintType)
targetsOnConstraint = constraintFunc(constraint, q=True, tl=True)
trigger = Trigger(src)
SPECIAL_STRING = 'parent to '
LEN_SPECIAL_STRING = len(SPECIAL_STRING)
tgts, names = [], []
for slotIdx, slotName, slotCmd in trigger.iterMenus():
if slotName.startswith(SPECIAL_STRING):
names.append(slotName[LEN_SPECIAL_STRING:])
cmdStrObj = ChangeSpaceCmd(slotCmd)
cmdIndex = cmdStrObj.getIndex()
tgts.append(targetsOnConstraint[cmdIndex])
return tgts, names
def getSpaceTargetsNames( src ): ''' this procedure returns a 2-tuple: a list of all targets, and a list of user specified names - for the right click menus ''' constraint = findConstraint( src ) if constraint is None: return [], [] space = findSpace( src, constraint ) if space is None: return [], [] constraintType = nodeType( constraint ) constraintFunc = getattr( cmd, constraintType ) targetsOnConstraint = constraintFunc( constraint, q=True, tl=True ) trigger = Trigger( src ) SPECIAL_STRING = 'parent to ' LEN_SPECIAL_STRING = len( SPECIAL_STRING ) tgts, names = [], [] for slotIdx, slotName, slotCmd in trigger.iterMenus(): if slotName.startswith( SPECIAL_STRING ): names.append( slotName[ LEN_SPECIAL_STRING: ] ) cmdStrObj = ChangeSpaceCmd( slotCmd ) cmdIndex = cmdStrObj.getIndex() tgts.append( targetsOnConstraint[ cmdIndex ] ) return tgts, names
def getControlsFromObjs( control ): ''' attempts to retrieve the pole vector control, the ik handle and all fk controls given an ik rig control. The information is returned in a 3 tuple containing: ikHandle, poleControl, fkControls ''' errorValue = None, None, None, None try: part = rigPrimitives.RigPart.InitFromItem( control ) return part.getControl( 'control' ), part.getIkHandle(), part.getControl( 'poleControl' ), part.getFkControls() except rigPrimitives.RigPartError: pass #so if the control we've been given isn't a rig primitive, lets try to extract whatever information we can from right click commands - if any exist trigger = Trigger( ikControl ) switchCmdStr = None for n, cmdName, cmdStr in trigger.iterMenus(): if cmdName.lower() == _IK_CMD_NAME: switchCmdStr = trigger.resolve( cmdStr ) break if switchCmdStr is None: printWarningStr( "Cannot find the %s command - aborting!" % _IK_CMD_NAME ) return errorValue #extract the control handle from the switch command - it may or may not exist, depending on which rexStr = re.compile( '-ikHandle \%([a-ZA-Z0-9_:|]+)', re.IGNORECASE | re.MULTILINE ) match = rexStr.search( switchCmdStr ) if not match: if match.groups()[0]: control = match.groups()[0] #extract the ik handle from the switch command rexStr = re.compile( '-ikHandle \%([a-ZA-Z0-9_:|]+)', re.IGNORECASE | re.MULTILINE ) match = rexStr.search( switchCmdStr ) if not match: printWarningStr( "Could not determine the ik handle from the given control" ) return errorValue handle = match.groups()[0] if handle is None: printWarningStr( "Could not find the ik handle at the given connect index!" ) return errorValue #now extract the pole control from the switch command rexStr = re.compile( '-pole \%([a-ZA-Z0-9_:|]+)', re.IGNORECASE | re.MULTILINE ) match = rexStr.search( switchCmdStr ) if not match: printWarningStr( "Could not determine the pole vector control from the given control" ) return errorValue poleControl = match.groups()[0] if poleControl is None: printWarningStr( "Could not find the ik handle at the given connect index!" ) return errorValue return control, poleControl, handle, getJointsFromIkHandle( handle )
def removeSpace( src, tgt ): ''' removes a target (or space) from a "space switching" object ''' tgts, names = getSpaceTargetsNames( src ) tgt_mobject = asMObject( tgt ) name = None for index, (aTgt, aName) in enumerate( zip( tgts, names ) ): aTgt = asMObject( aTgt ) if aTgt == tgt_mobject: name = aName break if name is None: raise AttributeError( "no such target" ) delete = False if len( tgts ) == 1: delete = True constraint = findConstraint( src ) parentAttrOn = findSpaceAttrNode( src ) space = findSpace( src ) srcTrigger = Trigger( src ) cmds = srcTrigger.iterMenus() if delete: delete( constraint ) deleteAttr( '%s.parent' % src ) else: constraintType = nodeType( constraint ) constraintFunc = getattr( cmd, constraintType ) constraintFunc( tgt, constraint, rm=True ) for slot, cmdName, cmdStr in srcTrigger.iterMenus(): if cmdName == ( "parent to %s" % name ): srcTrigger.removeMenu( slot ) #rebuild the parent attribute newNames = names[:] newNames.pop( index ) addAttr( '%s.parent' % parentAttrOn, e=True, enumName=':'.join( newNames ) ) #now we need to update the indicies in the right click command - all targets that were beyond the one we #just removed need to have their indices decremented for slot, cmdName, cmdStr in srcTrigger.iterMenus(): if not cmdName.startswith( 'parent to ' ): continue cmdStrObj = ChangeSpaceCmd( cmdStr ) cmdIndex = cmdStrObj.getIndex() if cmdIndex < index: continue cmdStrObj = cmdStrObj.setIndex( cmdIndex-1 ) srcTrigger.setMenuCmd( slot, cmdStrObj )
def findSpaceAttrNode(obj):
'''
returns the node that contains the parent attribute for the space switch
'''
parentAttrOn = ""
trigger = Trigger(obj)
for slotIdx, slotName, slotCmd in trigger.iterMenus():
if slotName.startswith('parent to '):
cmdStrObj = ChangeSpaceCmd(slotCmd)
connectToken = cmdStrObj.getConnectToken()
return trigger.resolve(connectToken)
def findSpaceAttrNode( obj ): ''' returns the node that contains the parent attribute for the space switch ''' parentAttrOn = ""; trigger = Trigger( obj ) for slotIdx, slotName, slotCmd in trigger.iterMenus(): if slotName.startswith( 'parent to ' ): cmdStrObj = ChangeSpaceCmd( slotCmd ) connectToken = cmdStrObj.getConnectToken() return trigger.resolve( connectToken )
def removeSpace( src, tgt ): ''' removes a target (or space) from a "space switching" object ''' tgts, names = getSpaceTargetsNames( src ) tgt_mobject = asMObject( tgt ) name = None for index, (aTgt, aName) in enumerate( zip( tgts, names ) ): aTgt = asMObject( aTgt ) if aTgt == tgt_mobject: name = aName break if name is None: raise AttributeError( "no such target" ) delete = False if len( tgts ) == 1: delete = True constraint = findConstraint( src ) parentAttrOn = findSpaceAttrNode( src ) space = findSpace( src ) srcTrigger = Trigger( src ) cmds = srcTrigger.iterMenus() if delete: delete( constraint ) deleteAttr( '%s.parent' % src ) else: constraintType = nodeType( constraint ) constraintFunc = getattr( cmd, constraintType ) constraintFunc( tgt, constraint, rm=True ) for slot, cmdName, cmdStr in srcTrigger.iterMenus(): if cmdName == ( "parent to %s" % name ): srcTrigger.removeMenu( slot ) #rebuild the parent attribute newNames = names[:] newNames.pop( index ) addAttr( '%s.parent' % parentAttrOn, e=True, enumName=':'.join( newNames ) ) #now we need to update the indicies in the right click command - all targets that were beyond the one we #just removed need to have their indices decremented for slot, cmdName, cmdStr in srcTrigger.iterMenus(): if not cmdName.startswith( 'parent to ' ): continue cmdStrObj = ChangeSpaceCmd( cmdStr ) cmdIndex = cmdStrObj.getIndex() if cmdIndex < index: continue cmdStrObj = cmdStrObj.setIndex( cmdIndex-1 ) srcTrigger.setMenuCmd( slot, cmdStrObj )
def _build( cls, **kw ):
scale = kw.get( 'scale', skeletonBuilder.TYPICAL_HEIGHT )
scale /= 1.5
world = buildControl( 'main', shapeDesc=ShapeDesc( None, 'hex', AX_Y ), oriented=False, scale=scale, niceName='The World' )
parts = group( empty=True, name='parts_grp' )
qss = sets( empty=True, text="gCharacterSet", n="body_ctrls" )
masterQss = sets( empty=True, text="gCharacterSet", n="all_ctrls" )
exportRelative = buildControl( 'exportRelative', shapeDesc=ShapeDesc( None, 'cube', AX_Y_NEG ), pivotModeDesc=PivotModeDesc.BASE, oriented=False, size=(1, 0.5, 1), scale=scale )
parentConstraint( world, exportRelative )
attrState( exportRelative, ('t', 'r', 's'), *LOCK_HIDE )
attrState( exportRelative, 'v', *HIDE )
setAttr( '%s.v' % exportRelative, False )
#turn scale segment compensation off for all joints in the scene
for j in ls( type='joint' ):
setAttr( '%s.ssc' % j, False )
sets( qss, add=masterQss )
attrState( world, 's', *NORMAL )
connectAttr( '%s.scale' % world, '%s.scale' % parts )
connectAttr( '%s.scaleX' % world, '%s.scaleY' % world )
connectAttr( '%s.scaleX' % world, '%s.scaleZ' % world )
#add right click items to the world controller menu
worldTrigger = Trigger( str( world ) )
qssIdx = worldTrigger.connect( str( masterQss ) )
#add world control to master qss
sets( world, add=masterQss )
sets( exportRelative, add=masterQss )
#turn unwanted transforms off, so that they are locked, and no longer keyable
attrState( world, 's', *NO_KEY )
attrState( world, ('sy', 'sz'), *LOCK_HIDE )
attrState( parts, [ 't', 'r', 's', 'v' ], *LOCK_HIDE )
controls = world, exportRelative
namedNodes = parts, masterQss, qss
return controls, namedNodes
def createLineOfActionMenu( controls, joints ):
'''
deals with adding a "draw line of action" menu to each control in the controls
list. the line is drawn through the list of joints passed
'''
if not joints: return
if not isinstance( controls, (list, tuple) ):
controls = [ controls ]
joints = list( joints )
jParent = getNodeParent( joints[ 0 ] )
if jParent:
joints.insert( 0, jParent )
for c in controls:
cTrigger = Trigger( c )
spineConnects = [ cTrigger.connect( j ) for j in joints ]
Trigger.CreateMenu( c,
"draw line of action",
"zooLineOfAction;\nzooLineOfAction_multi { %s } \"\";" % ', '.join( '"%%%d"'%idx for idx in spineConnects ) )
def getControlsFromObjs(control):
'''
attempts to retrieve the pole vector control, the ik handle and all fk controls given an ik rig control. The
information is returned in a 3 tuple containing:
ikHandle, poleControl, fkControls
'''
errorValue = None, None, None, None
try:
part = rigPrimitives.RigPart.InitFromItem(control)
return part.getControl('control'), part.getIkHandle(), part.getControl(
'poleControl'), part.getFkControls()
except rigPrimitives.RigPartError:
pass
#so if the control we've been given isn't a rig primitive, lets try to extract whatever information we can from right click commands - if any exist
trigger = Trigger(ikControl)
switchCmdStr = None
for n, cmdName, cmdStr in trigger.iterMenus():
if cmdName.lower() == _IK_CMD_NAME:
switchCmdStr = trigger.resolve(cmdStr)
break
if switchCmdStr is None:
printWarningStr("Cannot find the %s command - aborting!" %
_IK_CMD_NAME)
return errorValue
#extract the control handle from the switch command - it may or may not exist, depending on which
rexStr = re.compile('-ikHandle \%([a-ZA-Z0-9_:|]+)',
re.IGNORECASE | re.MULTILINE)
match = rexStr.search(switchCmdStr)
if not match:
if match.groups()[0]:
control = match.groups()[0]
#extract the ik handle from the switch command
rexStr = re.compile('-ikHandle \%([a-ZA-Z0-9_:|]+)',
re.IGNORECASE | re.MULTILINE)
match = rexStr.search(switchCmdStr)
if not match:
printWarningStr(
"Could not determine the ik handle from the given control")
return errorValue
handle = match.groups()[0]
if handle is None:
printWarningStr(
"Could not find the ik handle at the given connect index!")
return errorValue
#now extract the pole control from the switch command
rexStr = re.compile('-pole \%([a-ZA-Z0-9_:|]+)',
re.IGNORECASE | re.MULTILINE)
match = rexStr.search(switchCmdStr)
if not match:
printWarningStr(
"Could not determine the pole vector control from the given control"
)
return errorValue
poleControl = match.groups()[0]
if poleControl is None:
printWarningStr(
"Could not find the ik handle at the given connect index!")
return errorValue
return control, poleControl, handle, getJointsFromIkHandle(handle)
def add(src,
tgt,
name=None,
space=None,
maintainOffset=True,
nodeWithParentAttr=None,
skipTranslationAxes=(),
skipRotationAxes=(),
constraintType=CONSTRAINT_PARENT):
global AXES
AXES = list(AXES)
if space is None:
space = listRelatives(src, p=True, pa=True)[0]
if nodeWithParentAttr is None:
nodeWithParentAttr = src
if not name:
name = getNiceName(tgt)
if name is None:
name = camelCaseToNice(str(tgt))
#if there is an existing constraint, check to see if the target already exists in its target list - if it does, return the condition used it uses
attrState(space, ('t', 'r'), lock=False)
existingConstraint = findConstraint(src)
if existingConstraint:
constraintType = nodeType(existingConstraint)
constraintFunc = getattr(cmd, constraintType)
targetsOnConstraint = constraintFunc(existingConstraint,
q=True,
tl=True)
if tgt in targetsOnConstraint:
idx = targetsOnConstraint.index(tgt)
aliases = constraintFunc(existingConstraint,
q=True,
weightAliasList=True)
cons = listConnections('%s.%s' %
(existingConstraint, aliases[idx]),
type='condition',
d=False)
return cons[0]
#when skip axes are specified maya doesn't handle things properly - so make sure
#ALL transform channels are connected, and remove unwanted channels at the end...
preT, preR = getAttr('%s.t' % space)[0], getAttr('%s.r' % space)[0]
if existingConstraint:
chans = CONSTRAINT_CHANNELS[constraintType]
for channel, constraintAttr in zip(*chans):
for axis in AXES:
spaceAttr = '%s.%s%s' % (space, channel, axis)
conAttr = '%s.%s%s' % (existingConstraint, constraintAttr,
axis)
if not isConnected(conAttr, spaceAttr):
connectAttr(conAttr, spaceAttr)
#get the names for the parents from the parent enum attribute
cmdOptionKw = {'mo': True} if maintainOffset else {}
if objExists('%s.parent' % nodeWithParentAttr):
srcs, names = getSpaceTargetsNames(src)
addAttr('%s.parent' % nodeWithParentAttr,
e=True,
enumName=':'.join(names + [name]))
#if we're building a pointConstraint instead of a parent constraint AND we already
#have spaces on the object, we need to turn the -mo flag off regardless of what the
#user set it to, as the pointConstraint maintain offset has different behaviour to
#the parent constraint
if constraintType in (CONSTRAINT_POINT, CONSTRAINT_ORIENT):
cmdOptionKw = {}
else:
addAttr(nodeWithParentAttr, ln='parent', at="enum", en=name)
setAttr('%s.parent' % nodeWithParentAttr, keyable=True)
#now build the constraint
constraintFunction = getattr(cmd, constraintType)
constraint = constraintFunction(tgt, space, **cmdOptionKw)[0]
weightAliasList = constraintFunction(constraint,
q=True,
weightAliasList=True)
targetCount = len(weightAliasList)
constraintAttr = weightAliasList[-1]
condition = shadingNode('condition',
asUtility=True,
n='%s_to_space_%s#' %
(getShortName(src), getShortName(tgt)))
setAttr('%s.secondTerm' % condition, targetCount - 1)
setAttr('%s.colorIfTrue' % condition, 1, 1, 1)
setAttr('%s.colorIfFalse' % condition, 0, 0, 0)
connectAttr('%s.parent' % nodeWithParentAttr, '%s.firstTerm' % condition)
connectAttr('%s.outColorR' % condition,
'%s.%s' % (constraint, constraintAttr))
#find out what symbol to use to find the parent attribute
parentAttrIdx = 0
if not apiExtensions.cmpNodes(space, src):
parentAttrIdx = triggered.addConnect(src, nodeWithParentAttr)
#add the zooObjMenu commands to the object for easy space switching
Trigger.CreateMenu(src, "parent to %s" % name,
ChangeSpaceCmd.Create(targetCount - 1, parentAttrIdx))
#when skip axes are specified maya doesn't handle things properly - so make sure
#ALL transform channels are connected, and remove unwanted channels at the end...
for axis, value in zip(AXES, preT):
if axis in skipTranslationAxes:
attr = '%s.t%s' % (space, axis)
delete(attr, icn=True)
setAttr(attr, value)
for axis, value in zip(AXES, preR):
if axis in skipRotationAxes:
attr = '%s.r%s' % (space, axis)
delete(attr, icn=True)
setAttr(attr, value)
#make the space node non-keyable and lock visibility
attrState(space, ['t', 'r', 's'], lock=True)
attrState(space, 'v', *control.HIDE)
return condition
