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#############################################################################
##
## Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
## Contact: https://www.qt.io/licensing/
##
## This file is part of the Qt3D module of the Qt Toolkit.
##
## $QT_BEGIN_LICENSE:LGPL$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU Lesser General Public License Usage
## Alternatively, this file may be used under the terms of the GNU Lesser
## General Public License version 3 as published by the Free Software
## Foundation and appearing in the file LICENSE.LGPL3 included in the
## packaging of this file. Please review the following information to
## ensure the GNU Lesser General Public License version 3 requirements
## will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 2.0 or (at your option) the GNU General
## Public license version 3 or any later version approved by the KDE Free
## Qt Foundation. The licenses are as published by the Free Software
## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-2.0.html and
## https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
# Required Blender information.
bl_info = {
"name": "Qt3D Path Exporter",
"author": "Sean Harmer <sean.harmer@kdab.com>, Robert Brock <robert.brock@kdab.com>",
"version": (0, 1),
"blender": (2, 78, 0),
"location": "File > Export > Qt3D Path Exporter (.json)",
"description": "Export path to json to use with Qt3D",
"warning": "",
"wiki_url": "",
"tracker_url": "",
"category": "Import-Export"
}
import bpy
import os
import struct
import mathutils
import math
import json
from array import array
from bpy_extras.io_utils import ExportHelper
from bpy.props import (
BoolProperty,
FloatProperty,
StringProperty,
EnumProperty,
)
from collections import defaultdict
def jsonBuilder():
pathList = []
name = ""
obj = bpy.context.object
curve = obj.data
spline = curve.splines.active
for point in spline.points:
# add the stuff
pathList.append({"position": str("%.0f, %.0f, %.0f" % (point.co[0] * -1,
point.co[2],
point.co[1]))})
return pathList
class Qt3DPathDataConverter:
def pathInfoToJson(self):
# Pass 1 - collect data we need to produce the output in pass 2
print(">>> About to enter Objects")
jsonData = json.dumps({ "splines": jsonBuilder()}, indent=2, sort_keys=True, separators=(',', ': '))
return jsonData
class Qt3DTDPathExporter(bpy.types.Operator, ExportHelper):
"""Qt3D Exporter"""
bl_idname = "export_scene.qt3d_td_path_exporter";
bl_label = "Qt3DPathExporter";
bl_options = {'PRESET'};
filename_ext = ""
use_filter_folder = True
def __init__(self):
pass
def execute(self, context):
print("In Execute" + bpy.context.scene.name)
self.userpath = self.properties.filepath
# unselect all
bpy.ops.object.select_all(action='DESELECT')
converter = Qt3DPathDataConverter()
fileContent = converter.pathInfoToJson()
with open(self.userpath + ".json", '+w') as f:
f.write(fileContent)
return {'FINISHED'}
def createBlenderMenu(self, context):
self.layout.operator(Qt3DPathExporter.bl_idname, text="Qt3D Path Export(.json)")
# Register against Blender
def register():
bpy.utils.register_class(Qt3DPathExporter)
bpy.types.INFO_MT_file_export.append(createBlenderMenu)
def unregister():
bpy.utils.unregister_class(Qt3DPathExporter)
bpy.types.INFO_MT_file_export.remove(createBlenderMenu)
# Handle running the script from Blender's text editor.
if (__name__ == "__main__"):
register();
bpy.ops.export_scene.qt3d_path_exporter();
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