BlendTransforms.py 文件源码

def BT_DeletePose(set = None, poseIndex = None):

    if not set or poseIndex is None:
        return False

    if not cmds.attributeQuery('Blend_Node', ex = True, n = set):
        return False

    if BT_IsSetupConnected(set):
        cmds.warning('Disconnect setup first!')
        return False

    blendNode = cmds.getAttr(set +'.Blend_Node')

    if not cmds.objExists(blendNode) or not cmds.objExists(set):
        return False

    numTransforms = cmds.getAttr(blendNode +'.transforms', size = True)

    if not numTransforms:
        return False

    numPoses = cmds.getAttr(blendNode +'.transforms[0].poses', size = True) 
    allUserDefined = cmds.listAttr(set, ud = True)
    btUserDefined = [x for x in allUserDefined if x.startswith('BT_')]

    if poseIndex >= numPoses:
        return False

    connectionsToBreak = cmds.listConnections(set +'.' +btUserDefined[poseIndex], d = True, s = False, p = True)
    for ctb in connectionsToBreak:
        cmds.disconnectAttr(set +'.' +btUserDefined[poseIndex], ctb)
    cmds.deleteAttr(set +'.' +btUserDefined[poseIndex])

    for i in range(0, numTransforms):
        for p in range(poseIndex, numPoses-1):
            #get the next items vales
            matrix = cmds.getAttr(blendNode +'.transforms[' +str(i) +'].poses[' +str(p+1) +'].matrix')
            scale = cmds.getAttr(blendNode +'.transforms[' +str(i) +'].poses[' +str(p+1) +'].scale')[0]
            conn = cmds.listConnections(blendNode +'.transforms[' +str(i) +'].poses[' +str(p+1) +'].weight', s = True, d = False, p = True)[0]

            cmds.setAttr(blendNode +'.transforms[' +str(i) +'].poses[' +str(p) +'].matrix', matrix, type = 'matrix')
            cmds.setAttr(blendNode +'.transforms[' +str(i) +'].poses[' +str(p) +'].scale', scale[0], scale[1], scale[2], type = 'double3')
            cmds.connectAttr(conn, blendNode +'.transforms[' +str(i) +'].poses[' +str(p) +'].weight', force = True)
            cmds.disconnectAttr(conn, blendNode +'.transforms[' +str(i) +'].poses[' +str(p+1) +'].weight')

    return True