# Transforms to instance

# Transforms to instance

from pymel.core import *
sl = selected()
InstancePos = sl[:-1]
InstanceObj = sl[-1]

TransformToArrayCheck = ls(InstanceObj+"_TrToArray")
if not TransformToArrayCheck:
    TransformToArrayNode = soup().create('transformsToArrays')
    rename(TransformToArrayNode, InstanceObj+"_TrToArray")
    TransformToArrayNode = ls(InstanceObj+"_TrToArray")[0]
i = 0
for pos in InstancePos:
    pos.worldMatrix[0] >> TransformToArrayNode.inTransforms[i].inMatrix
    i+=1

# position_arrayToDynArrays Node
posArray = ls(InstanceObj+"_position_arrayToDynArrays")
if not posArray:
    posArray = createNode("arrayToDynArrays")
    rename(posArray, InstanceObj+"_position_arrayToDynArrays")
    posArray = ls(InstanceObj+"_position_arrayToDynArrays")
    TransformToArrayNode.outPositionPP >> posArray[0].inArray
    setAttr(InstanceObj+"_position_arrayToDynArrays"+".name","position",type="string")
# rotate_arrayToDynArrays Node
rotateArray = ls(InstanceObj+"_rotate_arrayToDynArrays")
if not rotateArray:
    rotateArray = createNode("arrayToDynArrays")
    rename(rotateArray, InstanceObj+"_rotate_arrayToDynArrays")
    rotateArray = ls(InstanceObj+"_rotate_arrayToDynArrays")
    TransformToArrayNode.outRotationPP >> rotateArray[0].inArray
    rotateArray[0].outDynamicArrays >> posArray[0].inDynamicArrays
    setAttr(InstanceObj+"_rotate_arrayToDynArrays"+".name","rotation",type="string")
# scale_arrayToDynArrays Node
scaleArray = ls(InstanceObj+"_scale_arrayToDynArrays")
if not scaleArray:
    scaleArray = createNode("arrayToDynArrays")
    rename(scaleArray, InstanceObj+"_scale_arrayToDynArrays")
    scaleArray = ls(InstanceObj+"_scale_arrayToDynArrays")
    TransformToArrayNode.outScalePP >> scaleArray[0].inArray
    scaleArray[0].outDynamicArrays >> rotateArray[0].inDynamicArrays
    setAttr(InstanceObj+"_scale_arrayToDynArrays"+".name","scale",type="string")

# Instancer Node
instancerNode = ls(InstanceObj+"_instancerNode")
if not instancerNode:
    instancerNode = createNode("instancer")
    rename(instancerNode, InstanceObj+"_instancerNode")
    instancerNode = ls(InstanceObj+"_instancerNode")
    posArray[0].outDynamicArrays >> instancerNode[0].inputPoints
    InstanceObj.matrix >> instancerNode[0].inputHierarchy[0]