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import os
from alembic.Abc import IArchive
from alembic.AbcGeom import (
    IXform,
    IPolyMesh,
    ICamera,
    ICurves,
    ILight,
    INuPatch,
    IPoints,

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from __future__ import absolute_import, print_function
import sys

import maya.api.OpenMaya as OpenMaya
import maya.api.OpenMayaAnim as OpenMayaAnim
from six.moves import range

maya_useNewAPI = True

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"""Build a matrix from translation values
This should give you a feel for how transformation matrices actually WORK in Maya.

Transformation matrices can be thought of as 3 vectors, and a point.
So I made 4 objects. One representing each of the X Y and Z axis vectors
And a fourth representing the translation point.

Then I connected the translation values of each object to a fourByFourMatrix node which
builds a matrix from 16 values. Then I connected that matrix to the model.

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import maya.api.OpenMaya as om2
import numpy as np

maya_useNewAPI = True


class blendPose(om2.MPxNode):
    typeName = "blendPose"
    typeId = om2.MTypeId(0x00122717)

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import numpy as np

def positve_scalar(q: np.ndarray) -> np.ndarray:
    """Ensure the scalar value of an array of quaternions is positive"""
    shape = q.shape
    q = q.reshape((-1, 4))
    q[q[:, 3] < 0] *= -1
    return q.reshape(shape)

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import imath
import ctypes
import numpy as np
from typing import TypeVar, Type


NTYPEDICT: dict[type, type] = {
    ctypes.c_bool: bool,
    ctypes.c_byte: np.int8,
    ctypes.c_double: np.float64,

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from __future__ import print_function
import os
import shutil
import time
from maya import cmds

RELEASE_TYPES = ["Debug", "RelWithDebInfo", "Release"]


def reloadPlugin(

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from maya import cmds
from itertools import groupby


def mayaSelRange(vals):
    """Convert maya cmds.ls() component selection list into indices

    Arguments:
        vals (list): A list of components like what you get out of cmds.ls(sl=True)

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<?xml version="1.0" encoding="utf-8"?>
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
  <Type Name="Autodesk::Maya::OpenMaya20200000::MAttributePatternArray">
    <DisplayString>{{ length = {((size_t*)(arr))[4]} }}</DisplayString>
    <Expand>
      <Item Name="[Length]">((size_t*)(arr))[4]</Item>
      <ArrayItems>
        <Size>((size_t*)(arr))[4]</Size>
        <ValuePointer>debugPeekValue</ValuePointer>
      </ArrayItems>

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def combineFaces(faces, edgesToDelete):
    """ This is where the edge deletion actually happens
    Turn a group of connected faces into a new polygon 
    """
    # TODO
    pass



def deleteEdges(counts, connects, edgesToDelete):