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anchorNode.py
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anchorNode.py
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# anchorNode.py
import sys
import random
import maya.OpenMaya as OpenMaya
import maya.OpenMayaAnim as OpenMayaAnim
import maya.OpenMayaMPx as OpenMayaMPx
import maya.cmds as cmds
# Useful functions for declaring attributes as inputs or outputs.
def MAKE_INPUT(attr):
attr.setKeyable(True)
attr.setStorable(True)
attr.setReadable(True)
attr.setWritable(True)
attr.setHidden(False)
def MAKE_OUTPUT(attr):
attr.setKeyable(False)
attr.setStorable(False)
attr.setReadable(True)
attr.setWritable(False)
# Define the name of the node
kPluginNodeTypeName = "anchorNode"
# Give the node a unique ID. Make sure this ID is different from all of your
# other nodes!
anchorNodeId = OpenMaya.MTypeId(0x8704)
# Node definition
class anchorNode(OpenMayaMPx.MPxNode):
# Declare class variables:
# TODO:: declare the input and output class variables
# i.e. inNumPoints = OpenMaya.MObject()
inNumPoints = OpenMaya.MObject()
randomPoints = OpenMaya.MObject()
inMin = OpenMaya.MObject()
inMax = OpenMaya.MObject()
scale = OpenMaya.MObject()
inPos = OpenMaya.MObject()
objFile = OpenMaya.MObject()
# constructor
def __init__(self):
OpenMayaMPx.MPxNode.__init__(self)
# compute
def compute(self,plug,data):
# TODO:: create the main functionality of the node. Your node should
# take in three floats for max position (X,Y,Z), three floats
# for min position (X,Y,Z), and the number of random points to
# be generated. Your node should output an MFnArrayAttrsData
# object containing the random points. Consult the homework
# sheet for how to deal with creating the MFnArrayAttrsData.
'''pointsData = data.outputValue(randomNode.randomPoints)
pointsAAD = OpenMaya.MFnArrayAttrsData()
pointsObject = pointsAAD.create()
minpos = data.inputValue(randomNode.inMin).asFloat3()
maxpos = data.inputValue(randomNode.inMax).asFloat3()
numPts = data.inputValue(randomNode.inNumPoints).asLong()'''
scale = data.inputValue(anchorNode.scale).asFloat()
nodePos = data.inputValue(anchorNode.inPos).asFloat3()
obj = data.inputValue(anchorNode.objFile).asString()
print nodePos
print obj
print "aa"
'''print "woop"
#create position and id
positionArray = pointsAAD.vectorArray("position")
idArray = pointsAAD.doubleArray("id")
#fill in arrays
for i in range(numPts):
posx = random.uniform(minpos[0], maxpos[0])
posy = random.uniform(minpos[1], maxpos[1])
posz = random.uniform(minpos[2], maxpos[2])
myVec = OpenMaya.MVector(posx, posy, posz)
positionArray.append(myVec)
idArray.append(random.randint(1,1000))
print "here"
pointsData.setMObject(pointsObject)'''
data.setClean(plug)
# initializer
def nodeInitializer():
tAttr = OpenMaya.MFnTypedAttribute()
nAttr = OpenMaya.MFnNumericAttribute()
# TODO:: initialize the input and output attributes. Be sure to use the
# MAKE_INPUT and MAKE_OUTPUT functions.
'''randomNode.inNumPoints = nAttr.create("numPts", "nPt", OpenMaya.MFnNumericData.kLong)
MAKE_INPUT(nAttr)
randomNode.inMin = nAttr.create("Minimum", "min", OpenMaya.MFnNumericData.k3Float)
MAKE_INPUT(nAttr)
randomNode.inMax = nAttr.create("Maximum", "max", OpenMaya.MFnNumericData.k3Float)
MAKE_INPUT(nAttr)
randomNode.randomPoints = tAttr.create("RandomPoints", "rand", OpenMaya.MFnArrayAttrsData.kDynArrayAttrs)
MAKE_OUTPUT(tAttr)'''
stringData = OpenMaya.MFnStringData().create(" ")
anchorNode.objFile = tAttr.create("Objfile", "obj", OpenMaya.MFnData.kString, stringData)
MAKE_INPUT(tAttr)
anchorNode.inPos = nAttr.create("Position", "pos", OpenMaya.MFnNumericData.k3Float)
MAKE_INPUT(nAttr)
anchorNode.scale = nAttr.create("Scale", "scale", OpenMaya.MFnNumericData.kFloat)
MAKE_INPUT(nAttr)
try:
# TODO:: add the attributes to the node and set up the
# attributeAffects (addAttribute, and attributeAffects)
print "Initialization!\n"
anchorNode.addAttribute(anchorNode.inPos)
anchorNode.addAttribute(anchorNode.objFile)
anchorNode.addAttribute(anchorNode.scale)
'''randomNode.addAttribute(randomNode.inNumPoints)
randomNode.addAttribute(randomNode.inMin)
randomNode.addAttribute(randomNode.inMax)
randomNode.addAttribute(randomNode.randomPoints)
randomNode.attributeAffects(randomNode.inNumPoints, randomNode.randomPoints)
randomNode.attributeAffects(randomNode.inMin, randomNode.randomPoints)
randomNode.attributeAffects(randomNode.inMax, randomNode.randomPoints)'''
except:
sys.stderr.write( ("Failed to create attributes of %s node\n", kPluginNodeTypeName) )
# creator
def nodeCreator():
return OpenMayaMPx.asMPxPtr( anchorNode() )
# initialize the script plug-in
def initializePlugin(mobject):
mplugin = OpenMayaMPx.MFnPlugin(mobject)
try:
mplugin.registerNode( kPluginNodeTypeName, anchorNodeId, nodeCreator, nodeInitializer )
except:
sys.stderr.write( "Failed to register node: %s\n" % kPluginNodeTypeName )
# uninitialize the script plug-in
def uninitializePlugin(mobject):
mplugin = OpenMayaMPx.MFnPlugin(mobject)
try:
mplugin.deregisterNode( anchorNodeId )
except:
sys.stderr.write( "Failed to unregister node: %s\n" % kPluginNodeTypeName )