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# ##### BEGIN GPL LICENSE BLOCK #####
#
# 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 2
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
from blenderkit import utils, append_link, bg_blender, upload_bg, download
import sys, json, math, os
import bpy
from pathlib import Path
BLENDERKIT_EXPORT_DATA = sys.argv[-1]
def render_thumbnails():
bpy.ops.render.render(write_still=True, animation=False)
def unhide_collection(cname):
collection = bpy.context.scene.collection.children[cname]
collection.hide_viewport = False
collection.hide_render = False
collection.hide_select = False
if __name__ == "__main__":
try:
bg_blender.progress('preparing thumbnail scene')
user_preferences = bpy.context.preferences.addons['blenderkit'].preferences
with open(BLENDERKIT_EXPORT_DATA, 'r',encoding='utf-8') as s:
data = json.load(s)
# append_material(file_name, matname = None, link = False, fake_user = True)
if data.get('do_download'):
#need to save the file, so that asset doesn't get downloaded into addon directory
temp_blend_path = os.path.join(data['tempdir'], 'temp.blend')
bpy.ops.wm.save_as_mainfile(filepath=temp_blend_path)
asset_data = data['asset_data']
has_url = download.get_download_url(asset_data, download.get_scene_id(), user_preferences.api_key, tcom=None,
resolution='blend')
if not has_url:
bg_blender.progress("couldn't download asset for thumnbail re-rendering")
exit()
# download first, or rather make sure if it's already downloaded
bg_blender.progress('downloading asset')
fpath = download.download_asset_file(asset_data)
data['filepath'] = fpath
mat = append_link.append_material(file_name=data['filepath'], matname=data["asset_name"], link=True,
fake_user=False)
s = bpy.context.scene
colmapdict = {
'BALL': 'Ball',
'BALL_COMPLEX': 'Ball complex',
'FLUID': 'Fluid',
'CLOTH': 'Cloth',
'HAIR': 'Hair'
}
unhide_collection(colmapdict[data["thumbnail_type"]])
if data['thumbnail_background']:
unhide_collection('Background')
bpy.data.materials["bg checker colorable"].node_tree.nodes['input_level'].outputs['Value'].default_value \
= data['thumbnail_background_lightness']
tscale = data["thumbnail_scale"]
bpy.context.view_layer.objects['scaler'].scale = (tscale, tscale, tscale)
bpy.context.view_layer.update()
for ob in bpy.context.visible_objects:
if ob.name[:15] == 'MaterialPreview':
ob.material_slots[0].material = mat
ob.data.use_auto_texspace = False
ob.data.texspace_size.x = 1 / tscale
ob.data.texspace_size.y = 1 / tscale
ob.data.texspace_size.z = 1 / tscale
if data["adaptive_subdivision"] == True:
ob.cycles.use_adaptive_subdivision = True
else:
ob.cycles.use_adaptive_subdivision = False
ts = data['texture_size_meters']
if data["thumbnail_type"] in ['BALL', 'BALL_COMPLEX', 'CLOTH']:
utils.automap(ob.name, tex_size = ts / tscale, just_scale = True, bg_exception=True)
bpy.context.view_layer.update()
s.cycles.volume_step_size = tscale * .1
if user_preferences.thumbnail_use_gpu:
bpy.context.scene.cycles.device = 'GPU'
s.cycles.samples = data['thumbnail_samples']
bpy.context.view_layer.cycles.use_denoising = data['thumbnail_denoising']
# import blender's HDR here
hdr_path = Path('datafiles/studiolights/world/interior.exr')
bpath = Path(bpy.utils.resource_path('LOCAL'))
ipath = bpath / hdr_path
ipath = str(ipath)
# this stuff is for mac and possibly linux. For blender // means relative path.
# for Mac, // means start of absolute path
if ipath.startswith('//'):
ipath = ipath[1:]
img = bpy.data.images['interior.exr']
img.filepath = ipath
img.reload()
bpy.context.scene.render.resolution_x = int(data['thumbnail_resolution'])
bpy.context.scene.render.resolution_y = int(data['thumbnail_resolution'])
bpy.context.scene.render.filepath = data['thumbnail_path']
bg_blender.progress('rendering thumbnail')
render_thumbnails()
if data.get('upload_after_render') and data.get('asset_data'):
bg_blender.progress('uploading thumbnail')
preferences = bpy.context.preferences.addons['blenderkit'].preferences
file = {
"type": "thumbnail",
"index": 0,
"file_path": data['thumbnail_path'] + '.png'
}
upload_data = {
"name": data['asset_data']['name'],
"token": preferences.api_key,
"id": data['asset_data']['id']
}
upload_bg.upload_file(upload_data, file)
bg_blender.progress('background autothumbnailer finished successfully')
except Exception as e:
print(e)
import traceback
traceback.print_exc()
sys.exit(1)
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