framework/cg/blender/processing/restruct_hierarchy.py
2024-03-18 11:15:40 +03:00

268 lines
9.7 KiB
Python

# coding: utf-8
# Copyright (C) 2023 Ilia Kurochkin <brothermechanic@yandex.com>
#
# 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.
'''
DESCRIPTION.
Reorganization and restructuring of assembly structure.
'''
__version__ = '0.3'
import logging
import bpy
import mathutils
from blender.utils.object_relations import (parenting,
unparenting)
from blender.utils.object_transforms import round_transforms
from blender.utils.collection_tools import unlink_from_collections
logger = logging.getLogger(__name__)
def hierarchy_assembly(lcs_names, parts_sequence):
''' Hierarchy by LCS and Parts Assembling Sequence. '''
# collect scene hierarchy start info
main_locators = [obj for obj in bpy.data.objects if not obj.parent]
lcs_inlet_objects = []
lcs_outlet_objects = []
for lcs_name in lcs_names:
lcs_obj = bpy.data.objects[lcs_name]
if (lcs_obj.get('Robossembler_SocketFlow') == 'inlet'
and lcs_obj.get('Robossembler_DefaultOrigin')
):
lcs_inlet_objects.append(lcs_obj)
else:
lcs_outlet_objects.append(lcs_obj)
if not lcs_inlet_objects:
raise Exception('No LCS Inlet objects found!')
# get main_locator
main_locator = None
for locator in main_locators:
if set(lcs_inlet_objects + lcs_outlet_objects).issubset(
locator.children_recursive
):
main_locator = locator
if not main_locator:
# TODO need checking
return logger.error('CAD root locator should be parent of all LCS!')
# check parts_sequence objects in scene
for part in parts_sequence:
if not bpy.data.objects.get(part):
return logger.error('%s part object not found!', part)
# create root lcs by parts sequence
first_part_obj = bpy.data.objects[parts_sequence[0]]
root_lcs = None
for lcs_inlet in first_part_obj.children:
# drop non lcs objs
if lcs_inlet.name not in lcs_names:
continue
# drop non DefaultOrigins
lcs_obj = bpy.data.objects[lcs_name]
if not (lcs_obj.get('Robossembler_SocketFlow') == 'inlet'
and lcs_obj.get('Robossembler_DefaultOrigin')
):
continue
root_lcs_name = 'root'
root_lcs = bpy.data.objects.new(root_lcs_name, None)
root_lcs.empty_display_type = 'ARROWS'
root_lcs.empty_display_size = 0.15
root_lcs.show_in_front = True
root_lcs.location = lcs_inlet.location
root_lcs.rotation_euler = lcs_inlet.rotation_euler
root_lcs.parent = lcs_inlet.parent
bpy.context.scene.collection.objects.link(root_lcs)
logger.info('Root Inlet LCS object created!')
unparenting(root_lcs)
round_transforms(root_lcs)
parenting(root_lcs, main_locator)
# retree_by lcs
for lcs_inlet_obj in lcs_inlet_objects:
# lcs inlet as main parent
parent_locator = lcs_inlet_obj.parent
if not parent_locator:
raise Exception('LCS %s should have a parent!', lcs_inlet_obj.name)
unparenting(lcs_inlet_obj)
round_transforms(lcs_inlet_obj)
if parent_locator:
if parent_locator.parent:
unparenting(parent_locator)
parenting(lcs_inlet_obj, parent_locator)
parenting(root_lcs, lcs_inlet_obj)
# lcs outlet parent to lcs inlet
for lcs_outlet_obj in lcs_inlet_obj.children_recursive:
if lcs_outlet_obj.name not in lcs_names:
continue
unparenting(lcs_outlet_obj)
round_transforms(lcs_outlet_obj)
parenting(lcs_inlet_obj, lcs_outlet_obj)
# reset transforms for root_lcs
root_lcs.matrix_world = mathutils.Matrix()
# lcs collections
part_names = []
for lcs_inlet_obj in root_lcs.children:
# remove unmarked parts
if lcs_inlet_obj not in lcs_inlet_objects:
for obj in lcs_inlet_obj.children_recursive:
bpy.data.objects.remove(obj, do_unlink=True)
bpy.data.objects.remove(lcs_inlet_obj, do_unlink=True)
continue
# collect part names
part_name = None
for locator in lcs_inlet_obj.children:
if locator in lcs_outlet_objects:
continue
part_name = locator.name
part_names.append(part_name)
# pack parts to collections
part_col = bpy.data.collections.new(f'{part_name}')
bpy.data.collections['Render'].children.link(part_col)
for obj in lcs_inlet_obj.children_recursive:
unlink_from_collections(obj)
part_col.objects.link(obj)
unlink_from_collections(lcs_inlet_obj)
part_col.objects.link(lcs_inlet_obj)
# TODO DEPRECATED
"""
# parts assembling
for idx, part_name in enumerate(parts_sequence):
# TODO clones for clones
if part_name not in part_names:
continue
lcs_inlet_obj = bpy.data.objects[part_name].parent
constraint = lcs_inlet_obj.constraints.new(type='COPY_TRANSFORMS')
# drop first_part_obj
if idx == 0:
constraint.target = root_lcs
continue
# if asm pair exists
part_before = bpy.data.objects.get(parts_sequence[idx - 1])
if part_before:
lcs_outlet_objs = [
lcs_out
for lcs_out in part_before.parent.children
if lcs_out in lcs_outlet_objects]
if lcs_outlet_objs:
constraint.target = lcs_outlet_objs[0]
else:
constraint.target = root_lcs
constraint.enabled = False
# for reset transforms when exporting
for lcs in lcs_outlet_objects:
constraint = lcs.constraints.new(type='COPY_TRANSFORMS')
constraint.target = root_lcs
constraint.enabled = False
"""
logger.info('Restructuring assembly pipeline finished!')
return part_names
def hierarchy_separated_parts(lcs_names):
''' Restructuring pipeline as separated parts. '''
# collect scene hierarchy start info
lcs_inlet_objects = []
lcs_outlet_objects = []
for lcs_name in lcs_names:
lcs_obj = bpy.data.objects[lcs_name]
if (lcs_obj.get('Robossembler_SocketFlow') == 'inlet'
and lcs_obj.get('Robossembler_DefaultOrigin')
):
lcs_inlet_objects.append(lcs_obj)
else:
lcs_outlet_objects.append(lcs_obj)
if not lcs_inlet_objects:
raise Exception('No LCS Inlet objects found!')
# retree_by lcs
part_names = []
for lcs_inlet_obj in lcs_inlet_objects:
# lcs inlet as main parent
parent_locator = lcs_inlet_obj.parent
if not parent_locator:
raise Exception('LCS %s should have a parent!', lcs_inlet_obj.name)
unparenting(lcs_inlet_obj)
round_transforms(lcs_inlet_obj)
if parent_locator:
if parent_locator.parent:
unparenting(parent_locator)
parenting(lcs_inlet_obj, parent_locator)
# lcs outlet parent to lcs inlet
for lcs_outlet_obj in lcs_inlet_obj.children_recursive:
if lcs_outlet_obj.name not in lcs_names:
continue
unparenting(lcs_outlet_obj)
round_transforms(lcs_outlet_obj)
parenting(lcs_inlet_obj, lcs_outlet_obj)
# reset transforms for inlet_lcs
lcs_inlet_obj.matrix_world = mathutils.Matrix()
# pack parts to collections
part_name = None
for locator in lcs_inlet_obj.children:
if locator not in lcs_outlet_objects:
part_name = locator.name
part_names.append(part_name)
part_col = bpy.data.collections.new(f'{part_name}')
bpy.data.collections['Render'].children.link(part_col)
for obj in lcs_inlet_obj.children_recursive:
unlink_from_collections(obj)
part_col.objects.link(obj)
unlink_from_collections(lcs_inlet_obj)
part_col.objects.link(lcs_inlet_obj)
# remove unmarked objects
marked_objs = sum(
[lcs_inlet_obj.children_recursive for lcs_inlet_obj in lcs_inlet_objects],
[])
parts_col_objs = bpy.data.collections['Render'].objects
unmarked_objs = list(set(parts_col_objs) - set(marked_objs))
if unmarked_objs:
removed_objs = list(map(bpy.data.objects.remove, unmarked_objs))
logger.info('%s unmarked objects removed!', len(removed_objs))
logger.info('Restructuring pipeline as separated parts finished!')
return part_names
def hierarchy_mono_part():
''' Restructuring pipeline as single part. '''
# collect scene hierarchy start info
main_locators = [obj for obj in bpy.data.objects if not obj.parent]
# pack parts to collections
part_names = []
for main_locator in main_locators:
part_name = main_locator.name
part_names.append(part_name)
part_col = bpy.data.collections.new(f'{part_name}')
bpy.data.collections['Render'].children.link(part_col)
for obj in main_locator.children_recursive:
unlink_from_collections(obj)
part_col.objects.link(obj)
unlink_from_collections(main_locator)
part_col.objects.link(main_locator)
logger.info('Restructuring pipeline as single part finished!')
return part_names