io_import_scene_mhx.py

# ##### BEGIN GPL LICENSE BLOCK #####
#
#  This program is free software; you can redistribute it and/or
#  modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2
#  of the License, or (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#  You should have received a copy of the GNU General Public License
#
#  along with this program; if not, write to the Free Software Foundation,
#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####

# Project Name:        MakeHuman
# Product Home Page:   http://www.makehuman.org/
# Code Home Page:      http://code.google.com/p/makehuman/
# Authors:             Thomas Larsson
# Script copyright (C) MakeHuman Team 2001-2013
# Coding Standards: See http://www.makehuman.org/node/165

"""
Abstract
MHX (MakeHuman eXchange format) importer for Blender 2.6x.

This script should be distributed with Blender.
If not, place it in the .blender/scripts/addons dir
Activate the script in the "Addons" tab (user preferences).
Access from the File > Import menu.

Alternatively, run the script in the script editor (Alt-P), and access from the File > Import menu
"""

bl_info = {
    'name': 'Import: MakeHuman (.mhx)',
    'author': 'Thomas Larsson',
    'version': (1, 16, 7),
    "blender": (2, 68, 0),
    'location': "File > Import > MakeHuman (.mhx)",
    'description': 'Import files in the MakeHuman eXchange format (.mhx)',
    'warning': '',
    'wiki_url': 'http://www.makehuman.org/documentation',
    'tracker_url': 'https://projects.blender.org/tracker/index.php?'\
        'func=detail&aid=21872',
    'category': 'Import-Export'}

MAJOR_VERSION = 1
MINOR_VERSION = 16
FROM_VERSION = 13
SUB_VERSION = 7

majorVersion = MAJOR_VERSION
minorVersion = MINOR_VERSION

#
#
#

import bpy
import os
import time
import math
import mathutils
from mathutils import Vector, Matrix
from bpy.props import *

MHX249 = False
Blender24 = False
Blender25 = True
theDir = "~/makehuman/exports"

#
#
#

theScale = 1.0
One = 1.0/theScale
useMesh = 1
verbosity = 2
warnedTextureDir = False
warnedVersion = False

true = True
false = False
Epsilon = 1e-6
nErrors = 0
theTempDatum = None
theMessage = ""
theMhxFile = ""

#
#    toggle flags
#

T_EnforceVersion = 0x01
T_Clothes = 0x02
T_HardParents = 0x0
T_CrashSafe = 0x0

T_Diamond = 0x10
T_Replace = 0x20
T_Shapekeys = 0x40
T_ShapeDrivers = 0x80

T_Face = T_Shapekeys
T_Shape = T_Shapekeys

T_Mesh = 0x100
T_Armature = 0x200
T_Proxy = 0x400
T_Cage = 0x800

T_Rigify = 0x1000
T_Opcns = 0x2000
T_Symm = 0x4000

DefaultToggle = ( T_EnforceVersion + T_Mesh + T_Armature +
    T_Shapekeys + T_ShapeDrivers + T_Proxy + T_Clothes + T_Rigify )

toggle = DefaultToggle
toggleSettings = toggle
loadedData = None

#
#   mhxEval(expr) - an attempt at a reasonably safe eval.
#   Note that expr never contains any whitespace due to the behavior
#   of the mhx tokenizer.
#

def mhxEval(expr, locls={}):
    globls = {
        '__builtins__' : {},
        'toggle' : toggle,
        'theScale' : theScale,
        'One' : One,
        'T_EnforceVersion' : T_EnforceVersion,
        'T_Clothes' : T_Clothes,
        'T_HardParents' : T_HardParents,
        'T_CrashSafe' : T_CrashSafe,
        'T_Diamond' : T_Diamond,
        'T_Replace' : T_Replace,
        'T_Shapekeys' : T_Shapekeys,
        'T_ShapeDrivers' : T_ShapeDrivers,
        'T_Face' : T_Face,
        'T_Shape' : T_Shape,
        'T_Mesh' : T_Mesh,
        'T_Armature' : T_Armature,
        'T_Proxy' : T_Proxy,
        'T_Cage' : T_Cage,
        'T_Rigify' : T_Rigify,
        'T_Opcns' : T_Opcns,
        'T_Symm' : T_Symm,
    }
    return eval(expr, globls, locls)

#
#    Dictionaries
#

def initLoadedData():
    global loadedData

    loadedData = {
    'NONE' : {},

    'Object' : {},
    'Mesh' : {},
    'Armature' : {},
    'Lamp' : {},
    'Camera' : {},
    'Lattice' : {},
    'Curve' : {},
    'Text' : {},

    'Material' : {},
    'Image' : {},
    'MaterialTextureSlot' : {},
    'Texture' : {},

    'Bone' : {},
    'BoneGroup' : {},
    'Rigify' : {},

    'Action' : {},
    'Group' : {},

    'MeshTextureFaceLayer' : {},
    'MeshColorLayer' : {},
    'VertexGroup' : {},
    'ShapeKey' : {},
    'ParticleSystem' : {},

    'ObjectConstraints' : {},
    'ObjectModifiers' : {},
    'MaterialSlot' : {},
    }