173 lines
6.5 KiB
Python
173 lines
6.5 KiB
Python
# ***** BEGIN GPL LICENSE BLOCK *****
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#
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# Copyright (C) 2024 Ilia Kurochkin <brothermechanic@yandex.com>
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#
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# Created by Ilia Kurochkin (brothermechanic)
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# contact: brothermechanic@yandex.com
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#
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# This is free software;
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# you can redistribute it and/or modify
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# it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 3
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# of the License, or (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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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <https://www.gnu.org/licenses/>.
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#
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# ***** END GPL LICENSE BLOCK *****
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#
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# coding: utf-8
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'''
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DESCRIPTION.
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Basic mesh processing for asset pipeline.
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DEPRECATED
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'''
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__version__ = '0.1'
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import bpy
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def shell_remesher(lowpoly_obj, mod_name='shell_mod', tree_name='shell_tree'):
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''' Conctruct geometry nodes modifier. '''
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modifier = lowpoly_obj.modifiers.new(mod_name, type='NODES')
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tree = bpy.data.node_groups.new(name=tree_name, type='GeometryNodeTree')
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modifier.node_group = tree
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group_input = tree.nodes.new(type='NodeGroupInput')
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collection_info = tree.nodes.new(type='GeometryNodeCollectionInfo')
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collection_info.location = (300, 0)
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collection_info.transform_space = 'RELATIVE'
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tree.interface.new_socket(name='Collection', in_out='INPUT',
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socket_type='NodeSocketCollection')
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tree.links.new(group_input.outputs['Collection'],
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collection_info.inputs['Collection'])
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realize_instances = tree.nodes.new(type='GeometryNodeRealizeInstances')
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realize_instances.location = (600, 0)
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tree.links.new(collection_info.outputs[0],
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realize_instances.inputs['Geometry'])
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mesh_to_volume = tree.nodes.new(type='GeometryNodeMeshToVolume')
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mesh_to_volume.location = (900, 0)
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mesh_to_volume.resolution_mode = 'VOXEL_SIZE'
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mesh_to_volume.inputs['Density'].default_value = 10.0
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mesh_to_volume.inputs['Voxel Size'].default_value = 0.005
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#mesh_to_volume.inputs['Exterior Band Width'].default_value = 0.005
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tree.links.new(realize_instances.outputs['Geometry'],
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mesh_to_volume.inputs['Mesh'])
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volume_to_mesh = tree.nodes.new(type='GeometryNodeVolumeToMesh')
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volume_to_mesh.location = (1200, 0)
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tree.links.new(mesh_to_volume.outputs['Volume'],
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volume_to_mesh.inputs['Volume'])
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extrude_mesh = tree.nodes.new(type='GeometryNodeExtrudeMesh')
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extrude_mesh.location = (1500, 0)
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extrude_mesh.inputs['Offset Scale'].default_value = 0.001
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extrude_mesh.inputs['Individual'].default_value = False
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tree.links.new(volume_to_mesh.outputs['Mesh'],
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extrude_mesh.inputs['Mesh'])
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# 1 pass
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mesh_to_volume = tree.nodes.new(type='GeometryNodeMeshToVolume')
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mesh_to_volume.location = (1800, 0)
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mesh_to_volume.resolution_mode = 'VOXEL_SIZE'
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mesh_to_volume.inputs['Density'].default_value = 1.0
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mesh_to_volume.inputs['Voxel Size'].default_value = 0.003
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#mesh_to_volume.inputs['Exterior Band Width'].default_value = 0.003
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tree.links.new(extrude_mesh.outputs['Mesh'],
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mesh_to_volume.inputs['Mesh'])
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volume_to_mesh = tree.nodes.new(type='GeometryNodeVolumeToMesh')
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volume_to_mesh.location = (2100, 0)
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tree.links.new(mesh_to_volume.outputs['Volume'],
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volume_to_mesh.inputs['Volume'])
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set_position_01 = tree.nodes.new(type='GeometryNodeSetPosition')
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set_position_01.location = (2400, -300)
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tree.links.new(volume_to_mesh.outputs['Mesh'],
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set_position_01.inputs['Geometry'])
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# 2 pass
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mesh_to_volume = tree.nodes.new(type='GeometryNodeMeshToVolume')
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mesh_to_volume.location = (2700, 0)
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mesh_to_volume.resolution_mode = 'VOXEL_SIZE'
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mesh_to_volume.inputs['Density'].default_value = 1.0
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mesh_to_volume.inputs['Voxel Size'].default_value = 0.001
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#mesh_to_volume.inputs['Exterior Band Width'].default_value = 0.001
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tree.links.new(set_position_01.outputs['Geometry'],
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mesh_to_volume.inputs['Mesh'])
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volume_to_mesh = tree.nodes.new(type='GeometryNodeVolumeToMesh')
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volume_to_mesh.location = (3000, 0)
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tree.links.new(mesh_to_volume.outputs['Volume'],
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volume_to_mesh.inputs['Volume'])
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set_position_02 = tree.nodes.new(type='GeometryNodeSetPosition')
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set_position_02.location = (3300, -300)
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tree.links.new(volume_to_mesh.outputs['Mesh'],
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set_position_02.inputs['Geometry'])
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# 3 pass
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mesh_to_volume = tree.nodes.new(type='GeometryNodeMeshToVolume')
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mesh_to_volume.location = (3600, 0)
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mesh_to_volume.resolution_mode = 'VOXEL_SIZE'
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mesh_to_volume.inputs['Density'].default_value = 1.0
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mesh_to_volume.inputs['Voxel Size'].default_value = 0.0005
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#mesh_to_volume.inputs['Exterior Band Width'].default_value = 0.0001
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tree.links.new(set_position_02.outputs['Geometry'],
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mesh_to_volume.inputs['Mesh'])
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volume_to_mesh = tree.nodes.new(type='GeometryNodeVolumeToMesh')
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volume_to_mesh.location = (3900, 0)
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tree.links.new(mesh_to_volume.outputs['Volume'],
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volume_to_mesh.inputs['Volume'])
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set_position_03 = tree.nodes.new(type='GeometryNodeSetPosition')
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set_position_03.location = (4200, -300)
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tree.links.new(volume_to_mesh.outputs['Mesh'],
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set_position_03.inputs['Geometry'])
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group_output = tree.nodes.new(type='NodeGroupOutput')
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group_output.location = (4500, 0)
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tree.interface.new_socket(name='Geometry', in_out='OUTPUT',
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socket_type='NodeSocketGeometry')
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tree.links.new(set_position_03.outputs['Geometry'],
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group_output.inputs['Geometry'])
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geometry_proximity = tree.nodes.new(type='GeometryNodeProximity')
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geometry_proximity.location = (1200, -1000)
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tree.links.new(realize_instances.outputs['Geometry'],
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geometry_proximity.inputs['Target'])
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tree.links.new(geometry_proximity.outputs['Position'],
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set_position_01.inputs['Position'])
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tree.links.new(geometry_proximity.outputs['Position'],
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set_position_02.inputs['Position'])
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tree.links.new(geometry_proximity.outputs['Position'],
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set_position_03.inputs['Position'])
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return modifier
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