scripted/interpZero.py

#-
# ===========================================================================
# Copyright 2015 Autodesk, Inc.  All rights reserved.
#
# Use of this software is subject to the terms of the Autodesk license
# agreement provided at the time of installation or download, or which
# otherwise accompanies this software in either electronic or hard copy form.
# ===========================================================================
#+

import sys
import maya.OpenMayaMPx as OpenMayaMPx
import maya.OpenMayaAnim as OpenMayaAnim

interpZeroId = OpenMayaAnim.MFnAnimCurve.kTangentShared3

# Animcurve Type definition
class interpZero(OpenMayaMPx.MPxAnimCurveInterpolator):
    def __init__(self):
        OpenMayaMPx.MPxAnimCurveInterpolator.__init__(self)
    def evaluate(time):
        return 0

# creator
def creator():
    return OpenMayaMPx.asMPxPtr( interpZero() )

# initialize the script plug-in
def initializePlugin(mobject):
    mplugin = OpenMayaMPx.MFnPlugin(mobject)
    try:
        mplugin.registerAnimCurveInterpolator( "InterpZero", interpZeroId, creator )
    except:
        sys.stderr.write( "Failed to register type: InterpZero" )
        raise

# uninitialize the script plug-in
def uninitializePlugin(mobject):
    mplugin = OpenMayaMPx.MFnPlugin(mobject)
    try:
        mplugin.deregisterAnimCurveInterpolator( interpZeroId )
    except:
        sys.stderr.write( "Failed to deregister type: InterpZero" )
        raise