Pipeline: composing all baked textures

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brothermechanic 2023-10-26 10:40:04 +03:00
parent d9d07b33b1
commit a1a961e7a7
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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
node_y_pos -= 4000 node_y_pos -= 4000
bpy.ops.bake_wrangler.bake_pass(tree=tree_name, node=node_batch.name, sock=-1) bpy.ops.bake_wrangler.bake_pass(tree=tree_name, node=node_batch.name, sock=-1)
logger.info('Baking first pass is finished!')
# double pass # double pass
tree.nodes['Mesh Settings']['ray_dist'] = 0.01 tree.nodes['Mesh Settings']['ray_dist'] = 0.01
bpy.ops.bake_wrangler.bake_pass(tree=tree_name, node=node_batch_double.name, sock=-1) bpy.ops.bake_wrangler.bake_pass(tree=tree_name, node=node_batch_double.name, sock=-1)
logger.info('Baking double pass is finished!')
return True return textures_path

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@ -0,0 +1,237 @@
# coding: utf-8
# Copyright (C) 2023 Ilia Kurochkin <brothermechanic@gmail.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.
Basic image processing for asset pipeline.
'''
__version__ = '0.1'
import logging
import os
import bpy
logger = logging.getLogger(__name__)
logging.basicConfig(level=logging.INFO)
def compose_baked_textures(textures_path, resolution=4096):
''' Mix, edit, and inpaint baked textures to production condition. '''
bake_path = os.path.join(textures_path, 'bake')
bake_path_double = os.path.join(textures_path, 'bake_double')
baked_images = sorted(os.listdir(bake_path))
bpy.context.scene.render.resolution_x = resolution
bpy.context.scene.render.resolution_y = resolution
bpy.context.scene.render.resolution_percentage = 100
bpy.context.scene.frame_start = 1
bpy.context.scene.frame_end = 1
bpy.context.scene.render.filepath = textures_path
bpy.context.scene.render.image_settings.file_format = 'PNG'
bpy.context.scene.render.image_settings.color_mode = 'RGB'
bpy.context.scene.render.image_settings.compression = 100
bpy.context.scene.display_settings.display_device = 'sRGB'
bpy.context.scene.view_settings.view_transform = 'Standard'
bpy.context.scene.view_settings.look = 'None'
bpy.context.scene.view_settings.exposure = 0
bpy.context.scene.view_settings.gamma = 1
bpy.context.scene.view_settings.use_curve_mapping = False
bpy.context.scene.render.use_compositing = True
bpy.context.scene.render.dither_intensity = 2
bpy.context.scene.use_nodes = True
tree = bpy.context.scene.node_tree
# remove all default nodes
for node in tree.nodes:
tree.nodes.remove(node)
node_y_pos = 0
# render for eatch uv packs
uv_images = [image for image in baked_images if 'UV' in image]
for uv_image in uv_images:
uv_obj = bpy.data.images.load(os.path.join(bake_path, uv_image))
uv_node = tree.nodes.new(type='CompositorNodeImage')
uv_node.image = bpy.data.images[uv_obj.name]
uv_node.location = 0, (node_y_pos + 500)
key_node = tree.nodes.new(type="CompositorNodeLumaMatte")
key_node.location = 250, (node_y_pos + 500)
key_node.limit_max = 0.01
tree.links.new(uv_node.outputs['Image'], key_node.inputs['Image'])
de_node = tree.nodes.new(type="CompositorNodeDilateErode")
de_node.location = 500, (node_y_pos + 500)
de_node.distance = -2
tree.links.new(key_node.outputs['Matte'], de_node.inputs['Mask'])
slot_name = uv_image.split('_UV')[0]
for image in baked_images:
if '_UV' in image and image.startswith(slot_name):
continue
if '_AO' in image:
image_obj = bpy.data.images.load(os.path.join(bake_path, image))
image_node = tree.nodes.new(type='CompositorNodeImage')
image_node.location = -500, (node_y_pos + 200)
image_node.image = bpy.data.images[image_obj.name]
image_obj_double = bpy.data.images.load(os.path.join(bake_path_double, image))
image_node_double = tree.nodes.new(type='CompositorNodeImage')
image_node_double.location = -500, (node_y_pos - 200)
image_node_double.image = bpy.data.images[image_obj_double.name]
lighten_node = tree.nodes.new(type="CompositorNodeMixRGB")
lighten_node.location = 0, node_y_pos
lighten_node.blend_type = 'LIGHTEN'
tree.links.new(image_node.outputs['Image'], lighten_node.inputs[1])
tree.links.new(image_node_double.outputs['Image'], lighten_node.inputs[2])
aa_node = tree.nodes.new(type="CompositorNodeAntiAliasing")
aa_node.location = 500, node_y_pos
aa_node.threshold = 0
tree.links.new(lighten_node.outputs['Image'], aa_node.inputs['Image'])
elif '_N' in image:
image_obj = bpy.data.images.load(os.path.join(bake_path, image))
image_node = tree.nodes.new(type='CompositorNodeImage')
image_node.location = -1000, (node_y_pos + 200)
image_node.image = bpy.data.images[image_obj.name]
image_obj_double = bpy.data.images.load(os.path.join(bake_path_double, image))
image_node_double = tree.nodes.new(type='CompositorNodeImage')
image_node_double.location = -1000, (node_y_pos - 200)
image_node_double.image = bpy.data.images[image_obj_double.name]
channel_node = tree.nodes.new(type="CompositorNodeSeparateColor")
channel_node.location = -500, (node_y_pos + 200)
tree.links.new(image_node.outputs['Image'], channel_node.inputs['Image'])
mix_node = tree.nodes.new(type="CompositorNodeMixRGB")
mix_node.location = 0, node_y_pos
mix_node.blend_type = 'MIX'
tree.links.new(channel_node.outputs['Blue'], mix_node.inputs[0])
tree.links.new(image_node_double.outputs['Image'], mix_node.inputs[1])
tree.links.new(image_node.outputs['Image'], mix_node.inputs[2])
aa_node = tree.nodes.new(type="CompositorNodeAntiAliasing")
aa_node.location = 500, node_y_pos
aa_node.threshold = 0
tree.links.new(mix_node.outputs['Image'], aa_node.inputs['Image'])
elif '_R' in image:
image_obj = bpy.data.images.load(os.path.join(bake_path, image))
image_node = tree.nodes.new(type='CompositorNodeImage')
image_node.location = -600, (node_y_pos + 100)
image_node.image = bpy.data.images[image_obj.name]
greater_node = tree.nodes.new(type="CompositorNodeMath")
greater_node.location = -300, (node_y_pos + 200)
greater_node.operation = 'GREATER_THAN'
greater_node.inputs[1].default_value = 0.01
tree.links.new(image_node.outputs['Image'], greater_node.inputs['Value'])
mix_node = tree.nodes.new(type="CompositorNodeMixRGB")
mix_node.location = 0, node_y_pos
mix_node.blend_type = 'MIX'
mix_node.inputs[1].default_value = (1, 1, 1, 1)
tree.links.new(greater_node.outputs['Value'], mix_node.inputs[0])
tree.links.new(image_node.outputs['Image'], mix_node.inputs[2])
aa_node = tree.nodes.new(type="CompositorNodeAntiAliasing")
aa_node.location = 500, node_y_pos
aa_node.threshold = 0
tree.links.new(mix_node.outputs['Image'], aa_node.inputs['Image'])
else:
image_obj = bpy.data.images.load(os.path.join(bake_path, image))
image_node = tree.nodes.new(type='CompositorNodeImage')
image_node.location = 0, node_y_pos
image_node.image = bpy.data.images[image_obj.name]
aa_node = tree.nodes.new(type="CompositorNodeAntiAliasing")
aa_node.location = 500, node_y_pos
aa_node.threshold = 0
tree.links.new(image_node.outputs['Image'], aa_node.inputs['Image'])
sa_node = tree.nodes.new(type="CompositorNodeSetAlpha")
sa_node.location = 1000, node_y_pos
sa_node.mode = 'REPLACE_ALPHA'
tree.links.new(aa_node.outputs['Image'], sa_node.inputs['Image'])
tree.links.new(de_node.outputs['Mask'], sa_node.inputs['Alpha'])
sa_node = tree.nodes.new(type="CompositorNodeSetAlpha")
sa_node.location = 1000, node_y_pos
sa_node.mode = 'REPLACE_ALPHA'
tree.links.new(aa_node.outputs['Image'], sa_node.inputs['Image'])
tree.links.new(de_node.outputs['Mask'], sa_node.inputs['Alpha'])
ip_node = tree.nodes.new(type="CompositorNodeInpaint")
ip_node.location = 1500, node_y_pos
ip_node.distance = 512
tree.links.new(sa_node.outputs['Image'], ip_node.inputs['Image'])
sc_node = tree.nodes.new(type="CompositorNodeScale")
sc_node.location = 2000, node_y_pos
sc_node.space = 'RENDER_SIZE'
tree.links.new(ip_node.outputs['Image'], sc_node.inputs['Image'])
if '_D' in image or '_N' in image:
out_node = tree.nodes.new(type="CompositorNodeOutputFile")
out_node.location = 3000, node_y_pos
out_node.file_slots[0].path = 'T_{}{}'.format(
slot_name,
image.split(slot_name)[1].split('.')[0].lower())
tree.links.new(sc_node.outputs['Image'], out_node.inputs['Image'])
else:
gamma_node = tree.nodes.new(type="CompositorNodeGamma")
gamma_node.location = 2500, node_y_pos
gamma_node.inputs[1].default_value = 2.2
tree.links.new(sc_node.outputs['Image'], gamma_node.inputs['Image'])
out_node = tree.nodes.new(type="CompositorNodeOutputFile")
out_node.location = 3000, node_y_pos
out_node.file_slots[0].path = 'T_{}{}'.format(
slot_name,
image.split(slot_name)[1].split('.')[0].lower())
tree.links.new(gamma_node.outputs['Image'], out_node.inputs['Image'])
node_y_pos -= 500
# render
bpy.ops.render.render(use_viewport=True)
# remove all nodes after rendering
for node in tree.nodes:
tree.nodes.remove(node)
# cleanup filenames
composed_textures = [
texture
for texture in os.listdir(textures_path)
if '000' in texture and texture.endswith('.png')
]
for texture in composed_textures:
os.rename(
os.path.join(textures_path, texture),
os.path.join(textures_path, texture.split('000')[0] + '.png')
)
logger.info('Composing %s textures is finished!', len(composed_textures))
return textures_path

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@ -23,6 +23,7 @@ from blender.processing.midpoly_setup import hightpoly_collections_to_midpoly
from blender.processing.lowpoly_setup import parts_to_shells from blender.processing.lowpoly_setup import parts_to_shells
from blender.processing.uv_setup import uv_unwrap from blender.processing.uv_setup import uv_unwrap
from blender.texturing.bake_submitter import bw_submit from blender.texturing.bake_submitter import bw_submit
from blender.texturing.composing import compose_baked_textures
from blender.export.dae import export_dae from blender.export.dae import export_dae
from blender.export.stl import export_stl from blender.export.stl import export_stl
import bpy import bpy
@ -129,7 +130,8 @@ def cg_pipeline(**kwargs):
# bake textures # bake textures
bpy.ops.wm.open_mainfile(filepath=blend_path) bpy.ops.wm.open_mainfile(filepath=blend_path)
bw_submit(lowpoly_obj_names) textures_path = bw_submit(lowpoly_obj_names)
compose_baked_textures(textures_path)
# export object meshes and urdf # export object meshes and urdf
to_urdf = collections.defaultdict(list) to_urdf = collections.defaultdict(list)