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65 lines
2.3 KiB
Python

import bpy
from pathlib import Path
class ConfigLighting(bpy.types.Operator):
"""Add or conform a lighting build"""
bl_idname = 'graou.lighting'
bl_label = 'Config or update a lighting'
def execute(self, context):
# Look if a light object are in the scene to clear
self.clear_light_on_scene()
r = self.get_blend_resources_file()
world = bpy.data.worlds.get('WorldIconRendering')
if not world:
with bpy.data.libraries.load(r, link=True) as (data_from, data_to):
data_to.worlds = data_from.worlds
world = bpy.data.worlds.get('WorldIconRendering')
context.scene.world = world
if not bpy.data.collections.get('Lighting'):
print(f'[Pipeline] Need to import the lighting collection')
with bpy.data.libraries.load(r, link=False) as (data_from, data_to):
for collection in data_from.collections:
print(f'[Pipeline] Collection can be import "{collection}"')
if 'Lighting' in collection:
print(f'[Pipeline] Append {collection}.')
data_to.collections.append(collection)
print('[Pipeline] Link lighting collection with the scene collection')
bpy.data.collections['Scene'].children.link(bpy.data.collections.get('Lighting'))
return {'FINISHED'}
@staticmethod
def get_blend_resources_file():
"""Get the blend file shared with the addon"""
addon_folder = Path(bpy.utils.user_resource('SCRIPTS'))
addon_name = __name__.split(".")[0]
return addon_folder.joinpath("addons", addon_name, "resources", "Lighting.blend").as_posix()
def clear_light_on_scene(self):
bpy.ops.object.select_all(action='DESELECT')
for ob in bpy.data.objects:
if ob.type == 'LIGHT' and not self.find_collection(ob):
ob.select_set(True)
bpy.ops.object.delete()
else:
ob.select_set(False)
@staticmethod
def find_collection(ob, name='Lighting'):
"""Check if an object are attached with the Lighting collection"""
for collection in ob.users_collection:
if collection.name == name:
return True