Pipeline: composing all baked textures
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brothermechanic
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3 changed files with 243 additions and 2 deletions
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@ -280,10 +280,12 @@ def bw_submit(lowpoly_obj_names, resolution=4096, tree_name='robossembler', area
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node_y_pos -= 4000
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bpy.ops.bake_wrangler.bake_pass(tree=tree_name, node=node_batch.name, sock=-1)
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logger.info('Baking first pass is finished!')
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# double pass
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tree.nodes['Mesh Settings']['ray_dist'] = 0.01
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bpy.ops.bake_wrangler.bake_pass(tree=tree_name, node=node_batch_double.name, sock=-1)
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logger.info('Baking double pass is finished!')
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return True
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return textures_path
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237
cg/blender/texturing/composing.py
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237
cg/blender/texturing/composing.py
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@ -0,0 +1,237 @@
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# coding: utf-8
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# Copyright (C) 2023 Ilia Kurochkin <brothermechanic@gmail.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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Basic image processing for asset pipeline.
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'''
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__version__ = '0.1'
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import logging
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import os
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import bpy
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logger = logging.getLogger(__name__)
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logging.basicConfig(level=logging.INFO)
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def compose_baked_textures(textures_path, resolution=4096):
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''' Mix, edit, and inpaint baked textures to production condition. '''
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bake_path = os.path.join(textures_path, 'bake')
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bake_path_double = os.path.join(textures_path, 'bake_double')
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baked_images = sorted(os.listdir(bake_path))
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bpy.context.scene.render.resolution_x = resolution
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bpy.context.scene.render.resolution_y = resolution
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bpy.context.scene.render.resolution_percentage = 100
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bpy.context.scene.frame_start = 1
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bpy.context.scene.frame_end = 1
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bpy.context.scene.render.filepath = textures_path
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bpy.context.scene.render.image_settings.file_format = 'PNG'
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bpy.context.scene.render.image_settings.color_mode = 'RGB'
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bpy.context.scene.render.image_settings.compression = 100
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bpy.context.scene.display_settings.display_device = 'sRGB'
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bpy.context.scene.view_settings.view_transform = 'Standard'
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bpy.context.scene.view_settings.look = 'None'
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bpy.context.scene.view_settings.exposure = 0
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bpy.context.scene.view_settings.gamma = 1
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bpy.context.scene.view_settings.use_curve_mapping = False
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bpy.context.scene.render.use_compositing = True
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bpy.context.scene.render.dither_intensity = 2
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bpy.context.scene.use_nodes = True
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tree = bpy.context.scene.node_tree
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# remove all default nodes
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for node in tree.nodes:
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tree.nodes.remove(node)
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node_y_pos = 0
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# render for eatch uv packs
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uv_images = [image for image in baked_images if 'UV' in image]
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for uv_image in uv_images:
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uv_obj = bpy.data.images.load(os.path.join(bake_path, uv_image))
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uv_node = tree.nodes.new(type='CompositorNodeImage')
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uv_node.image = bpy.data.images[uv_obj.name]
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uv_node.location = 0, (node_y_pos + 500)
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key_node = tree.nodes.new(type="CompositorNodeLumaMatte")
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key_node.location = 250, (node_y_pos + 500)
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key_node.limit_max = 0.01
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tree.links.new(uv_node.outputs['Image'], key_node.inputs['Image'])
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de_node = tree.nodes.new(type="CompositorNodeDilateErode")
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de_node.location = 500, (node_y_pos + 500)
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de_node.distance = -2
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tree.links.new(key_node.outputs['Matte'], de_node.inputs['Mask'])
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slot_name = uv_image.split('_UV')[0]
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for image in baked_images:
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if '_UV' in image and image.startswith(slot_name):
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continue
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if '_AO' in image:
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image_obj = bpy.data.images.load(os.path.join(bake_path, image))
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image_node = tree.nodes.new(type='CompositorNodeImage')
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image_node.location = -500, (node_y_pos + 200)
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image_node.image = bpy.data.images[image_obj.name]
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image_obj_double = bpy.data.images.load(os.path.join(bake_path_double, image))
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image_node_double = tree.nodes.new(type='CompositorNodeImage')
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image_node_double.location = -500, (node_y_pos - 200)
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image_node_double.image = bpy.data.images[image_obj_double.name]
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lighten_node = tree.nodes.new(type="CompositorNodeMixRGB")
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lighten_node.location = 0, node_y_pos
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lighten_node.blend_type = 'LIGHTEN'
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tree.links.new(image_node.outputs['Image'], lighten_node.inputs[1])
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tree.links.new(image_node_double.outputs['Image'], lighten_node.inputs[2])
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aa_node = tree.nodes.new(type="CompositorNodeAntiAliasing")
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aa_node.location = 500, node_y_pos
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aa_node.threshold = 0
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tree.links.new(lighten_node.outputs['Image'], aa_node.inputs['Image'])
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elif '_N' in image:
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image_obj = bpy.data.images.load(os.path.join(bake_path, image))
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image_node = tree.nodes.new(type='CompositorNodeImage')
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image_node.location = -1000, (node_y_pos + 200)
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image_node.image = bpy.data.images[image_obj.name]
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image_obj_double = bpy.data.images.load(os.path.join(bake_path_double, image))
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image_node_double = tree.nodes.new(type='CompositorNodeImage')
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image_node_double.location = -1000, (node_y_pos - 200)
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image_node_double.image = bpy.data.images[image_obj_double.name]
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channel_node = tree.nodes.new(type="CompositorNodeSeparateColor")
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channel_node.location = -500, (node_y_pos + 200)
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tree.links.new(image_node.outputs['Image'], channel_node.inputs['Image'])
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mix_node = tree.nodes.new(type="CompositorNodeMixRGB")
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mix_node.location = 0, node_y_pos
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mix_node.blend_type = 'MIX'
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tree.links.new(channel_node.outputs['Blue'], mix_node.inputs[0])
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tree.links.new(image_node_double.outputs['Image'], mix_node.inputs[1])
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tree.links.new(image_node.outputs['Image'], mix_node.inputs[2])
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aa_node = tree.nodes.new(type="CompositorNodeAntiAliasing")
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aa_node.location = 500, node_y_pos
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aa_node.threshold = 0
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tree.links.new(mix_node.outputs['Image'], aa_node.inputs['Image'])
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elif '_R' in image:
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image_obj = bpy.data.images.load(os.path.join(bake_path, image))
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image_node = tree.nodes.new(type='CompositorNodeImage')
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image_node.location = -600, (node_y_pos + 100)
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image_node.image = bpy.data.images[image_obj.name]
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greater_node = tree.nodes.new(type="CompositorNodeMath")
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greater_node.location = -300, (node_y_pos + 200)
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greater_node.operation = 'GREATER_THAN'
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greater_node.inputs[1].default_value = 0.01
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tree.links.new(image_node.outputs['Image'], greater_node.inputs['Value'])
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mix_node = tree.nodes.new(type="CompositorNodeMixRGB")
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mix_node.location = 0, node_y_pos
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mix_node.blend_type = 'MIX'
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mix_node.inputs[1].default_value = (1, 1, 1, 1)
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tree.links.new(greater_node.outputs['Value'], mix_node.inputs[0])
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tree.links.new(image_node.outputs['Image'], mix_node.inputs[2])
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aa_node = tree.nodes.new(type="CompositorNodeAntiAliasing")
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aa_node.location = 500, node_y_pos
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aa_node.threshold = 0
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tree.links.new(mix_node.outputs['Image'], aa_node.inputs['Image'])
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else:
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image_obj = bpy.data.images.load(os.path.join(bake_path, image))
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image_node = tree.nodes.new(type='CompositorNodeImage')
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image_node.location = 0, node_y_pos
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image_node.image = bpy.data.images[image_obj.name]
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aa_node = tree.nodes.new(type="CompositorNodeAntiAliasing")
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aa_node.location = 500, node_y_pos
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aa_node.threshold = 0
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tree.links.new(image_node.outputs['Image'], aa_node.inputs['Image'])
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sa_node = tree.nodes.new(type="CompositorNodeSetAlpha")
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sa_node.location = 1000, node_y_pos
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sa_node.mode = 'REPLACE_ALPHA'
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tree.links.new(aa_node.outputs['Image'], sa_node.inputs['Image'])
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tree.links.new(de_node.outputs['Mask'], sa_node.inputs['Alpha'])
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sa_node = tree.nodes.new(type="CompositorNodeSetAlpha")
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sa_node.location = 1000, node_y_pos
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sa_node.mode = 'REPLACE_ALPHA'
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tree.links.new(aa_node.outputs['Image'], sa_node.inputs['Image'])
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tree.links.new(de_node.outputs['Mask'], sa_node.inputs['Alpha'])
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ip_node = tree.nodes.new(type="CompositorNodeInpaint")
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ip_node.location = 1500, node_y_pos
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ip_node.distance = 512
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tree.links.new(sa_node.outputs['Image'], ip_node.inputs['Image'])
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sc_node = tree.nodes.new(type="CompositorNodeScale")
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sc_node.location = 2000, node_y_pos
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sc_node.space = 'RENDER_SIZE'
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tree.links.new(ip_node.outputs['Image'], sc_node.inputs['Image'])
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if '_D' in image or '_N' in image:
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out_node = tree.nodes.new(type="CompositorNodeOutputFile")
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out_node.location = 3000, node_y_pos
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out_node.file_slots[0].path = 'T_{}{}'.format(
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slot_name,
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image.split(slot_name)[1].split('.')[0].lower())
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tree.links.new(sc_node.outputs['Image'], out_node.inputs['Image'])
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else:
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gamma_node = tree.nodes.new(type="CompositorNodeGamma")
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gamma_node.location = 2500, node_y_pos
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gamma_node.inputs[1].default_value = 2.2
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tree.links.new(sc_node.outputs['Image'], gamma_node.inputs['Image'])
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out_node = tree.nodes.new(type="CompositorNodeOutputFile")
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out_node.location = 3000, node_y_pos
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out_node.file_slots[0].path = 'T_{}{}'.format(
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slot_name,
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image.split(slot_name)[1].split('.')[0].lower())
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tree.links.new(gamma_node.outputs['Image'], out_node.inputs['Image'])
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node_y_pos -= 500
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# render
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bpy.ops.render.render(use_viewport=True)
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# remove all nodes after rendering
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for node in tree.nodes:
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tree.nodes.remove(node)
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# cleanup filenames
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composed_textures = [
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texture
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for texture in os.listdir(textures_path)
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if '000' in texture and texture.endswith('.png')
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]
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for texture in composed_textures:
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os.rename(
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os.path.join(textures_path, texture),
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os.path.join(textures_path, texture.split('000')[0] + '.png')
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)
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logger.info('Composing %s textures is finished!', len(composed_textures))
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return textures_path
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@ -23,6 +23,7 @@ from blender.processing.midpoly_setup import hightpoly_collections_to_midpoly
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from blender.processing.lowpoly_setup import parts_to_shells
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from blender.processing.uv_setup import uv_unwrap
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from blender.texturing.bake_submitter import bw_submit
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from blender.texturing.composing import compose_baked_textures
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from blender.export.dae import export_dae
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from blender.export.stl import export_stl
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import bpy
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@ -129,7 +130,8 @@ def cg_pipeline(**kwargs):
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# bake textures
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bpy.ops.wm.open_mainfile(filepath=blend_path)
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bw_submit(lowpoly_obj_names)
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textures_path = bw_submit(lowpoly_obj_names)
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compose_baked_textures(textures_path)
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# export object meshes and urdf
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to_urdf = collections.defaultdict(list)
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