64 lines
2.4 KiB
Python
64 lines
2.4 KiB
Python
# coding: utf-8
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# Copyright (C) 2023 Ilia Kurochkin <brothermechanic@yandex.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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'''
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DESCRIPTION.
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UV unwrapping and UV packing processing.
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'''
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__version__ = '0.1'
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import logging
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import math
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import bpy
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logger = logging.getLogger(__name__)
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def uv_unwrap(obj_names, angle_limit=30):
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''' UV unwrapping and UV packing processing '''
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for obj_name in obj_names:
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obj = bpy.data.objects[obj_name]
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bpy.ops.object.select_all(action='DESELECT')
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obj.select_set(True)
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bpy.context.view_layer.objects.active = obj
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bpy.ops.object.mode_set(mode='EDIT')
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bpy.ops.mesh.select_all(action='SELECT')
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# unwrapping
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bpy.ops.uv.smart_project(angle_limit=math.radians(angle_limit))
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# packing
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bpy.ops.uv.pack_islands(udim_source='CLOSEST_UDIM',
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rotate=True,
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rotate_method='ANY',
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scale=True,
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merge_overlap=False,
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margin_method='ADD',
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margin=(1 / 256),
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pin=False,
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pin_method='LOCKED',
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shape_method='CONCAVE')
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bpy.ops.uv.pack_islands(udim_source='CLOSEST_UDIM',
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rotate=True,
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rotate_method='ANY',
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scale=True,
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merge_overlap=False,
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margin_method='ADD',
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margin=(1 / 256),
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pin=False,
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pin_method='LOCKED',
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shape_method='CONCAVE')
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bpy.ops.object.mode_set(mode='OBJECT')
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obj.select_set(False)
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return logger.info('UV setup of %s lowpoly meshes is finished!', len(obj_names))
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