settings.py

# Paul "BrikBot" Marshall
# Created: July 1, 2011
# Last Modified: November 17, 2011
# Homepage (blog): http://post.darkarsenic.com/
#                       //blog.darkarsenic.com/
# Thanks to Meta-Androco, RickyBlender, Ace Dragon, and PKHG for ideas
#   and testing.
#
# Coded in IDLE, tested in Blender 2.59.  NumPy Recommended.
# Search for "@todo" to quickly find sections that need work.
#
# ##### BEGIN GPL LICENSE BLOCK #####
#
#  The Blender Rock Creation tool is for rapid generation of
#  mesh rocks in Blender.
#  Copyright (C) 2011  Paul Marshall
#
#  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 3 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, see <http://www.gnu.org/licenses/>.
#
# ##### END GPL LICENSE BLOCK #####

# <pep8 compliant>

import inspect
import shutil
from add_mesh_rocks import utils
from xml.dom import minidom

basePath = inspect.getfile(inspect.currentframe())[0:-len("settings.py")]
path = basePath + "add_mesh_rocks.xml"

try:
    source = minidom.parse(path)
    print("Rock generator settings file found:\n" + path)
except:
    print("Rock generator settings file not found.  Creating settings file.")
    shutil.copy(basePath + "factory.xml", path)
    source = minidom.parse(path)

xmlDefault = source.getElementsByTagName('default')[0]
xmlPresets = source.getElementsByTagName('preset')
default = []
presets = []

# ----- Gets and Sets -----#


def getDefault():
    global default
    return default


def getPresetLists():
    global presets
    return presets


def getPreset(ID=0):
    global presets
    return presets[ID]

# ---------- Core ----------#


def parse():
    global xmlDefault
    global xmlPresets
    global default
    global presets

    # Parse default values
    default = parseNode(xmlDefault)

    # Parse preset values
    for setting in xmlPresets:
        presets.append(parseNode(setting))

    return '{FINISHED}'


# Takes a node and parses it for data.  Relies on that setting.xml has
#   a valid format as specified by the DTD.
# For some reason minidom places an empty child node for every other node.
def parseNode(setting, title=True):
    loc = 1

    if title:
        # Preset name (xmlPreset.childNodes[1]):
        title = setting.childNodes[loc].childNodes[0].data
        loc += 2

    # Preset size values (xmlPreset.childNodes[3]):
    scaleX = [float(setting.childNodes[loc].childNodes[1].childNodes[3].childNodes[0].data),
              float(setting.childNodes[loc].childNodes[1].childNodes[5].childNodes[0].data)]
    scaleY = [float(setting.childNodes[loc].childNodes[3].childNodes[3].childNodes[0].data),
              float(setting.childNodes[loc].childNodes[3].childNodes[5].childNodes[0].data)]
    scaleZ = [float(setting.childNodes[loc].childNodes[5].childNodes[3].childNodes[0].data),
              float(setting.childNodes[loc].childNodes[5].childNodes[5].childNodes[0].data)]
    skewX = float(setting.childNodes[loc].childNodes[7].childNodes[3].childNodes[0].data)
    skewY = float(setting.childNodes[loc].childNodes[9].childNodes[3].childNodes[0].data)
    skewZ = float(setting.childNodes[loc].childNodes[11].childNodes[3].childNodes[0].data)
    if setting.childNodes[loc].childNodes[13].childNodes[0].data == 'False':
        use_scale_dis = False
    else:
        use_scale_dis = True
    scale_fac = utils.toList(setting.childNodes[loc].childNodes[15].childNodes[0].data)
    loc += 2

    # Presst shape values (xmlPreset.childNodes[5]):
    deform = float(setting.childNodes[loc].childNodes[1].childNodes[0].data)
    rough = float(setting.childNodes[loc].childNodes[3].childNodes[0].data)
    detail = int(setting.childNodes[loc].childNodes[5].childNodes[0].data)
    display_detail = int(setting.childNodes[loc].childNodes[7].childNodes[0].data)
    smooth_fac = float(setting.childNodes[loc].childNodes[9].childNodes[0].data)
    smooth_it = int(setting.childNodes[loc].childNodes[11].childNodes[0].data)
    loc += 2

    # Preset material values (xmlPreset.childNodes[7]):
    loc += 2

    # Preset random values (xmlPreset.childNodes[9]):
    if setting.childNodes[loc].childNodes[1].childNodes[0].data == 'True':
        use_generate = True
    else:
        use_generate = False
    if setting.childNodes[loc].childNodes[3].childNodes[0].data == 'False':
        use_random_seed = False
    else:
        use_random_seed = True
    user_seed = int(setting.childNodes[loc].childNodes[5].childNodes[0].data)

    if title:
        parsed = [title, scaleX, scaleY, scaleZ, skewX, skewY, skewZ,
                  use_scale_dis, scale_fac, deform, rough, detail,
                  display_detail, smooth_fac, smooth_it,
                  use_generate, use_random_seed, user_seed]
    else:
        parsed = [scaleX, scaleY, scaleZ, skewX, skewY, skewZ, use_scale_dis,
                  scale_fac, deform, rough, detail, display_detail, smooth_fac,
                  smooth_it, use_generate, use_random_seed, user_seed]

    return parsed


def save():
    return '{FINISHED}'


def _print():
    for i in presets:
        print(i)
    return '{FINISHED}'