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__init__.py
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import bpy
import os
import bpy.utils.previews
bl_info = {
"name": "KLibrary",
"blender": (3, 4, 1),
"version": (1, 0),
"category": "3D View",
"author": "Kent Edoloverio",
"location": "3D View > UI Templates",
"description": "Collection of materials in one single click",
"warning": "",
"wiki_url": "",
"tracker_url": "https://github.com/kents00/KLibrary",
}
class ShaderLibrary:
def __init__(self):
self.previews = []
self.previews_loaded = False
def find_preview_file(self, folder):
img_extensions = ['.jpg', '.jpeg', '.png']
files = os.listdir(folder)
files = list(filter(lambda x: x.startswith("preview"), files))
if not files:
return "", False
for file in files:
filename, extension = os.path.splitext(file)
if extension in img_extensions:
file = os.path.join(folder, file)
return file, True
return "", False
def get_folders_in(self, folder):
folders = os.listdir(folder)
folders = [os.path.join(folder, x) for x in folders]
folders = list(filter(lambda x: os.path.isdir(x), folders))
return folders
def get_previews_from_folders(self, folders, preview_collection):
previews = []
i = 0
for folder in folders:
preview_file, found = self.find_preview_file(folder)
if not found:
continue
image_name = os.path.basename(os.path.normpath(folder))
image_path = os.path.join(folder, preview_file)
image = preview_collection.load(image_name, image_path, 'IMAGE')
previews.append(
(image_name, image_name, image_name, image.icon_id, i))
i += 1
return previews
def generate_previews(self, pcoll):
folder = pcoll.images_dir
vehicles = self.get_folders_in(folder)
items = self.get_previews_from_folders(vehicles, pcoll)
return items
def generate_shader_previews(self):
if not self.previews_loaded:
pcoll = bpy.utils.previews.new()
pcoll.images_dir = os.path.dirname(
os.path.normpath(__file__)) + "/data/materials"
materials = self.get_folders_in(pcoll.images_dir)
self.previews = self.get_previews_from_folders(materials, pcoll)
self.previews_loaded = True
return self.previews
def find_blend_file(folder):
files = os.listdir(folder)
files = list(filter(lambda x: x.endswith(".blend"), files))
if not files:
return "", False
return os.path.join(folder, files[0]), True
def on_material_icon_clicked(self, context):
scene = context.scene
tool_settings = scene.tool_settings
scene.selected_material = scene.material_previews
class KLibrarySettings(bpy.types.PropertyGroup):
shader_library = ShaderLibrary()
bpy.types.Scene.material_previews = bpy.props.EnumProperty(
items=shader_library.generate_shader_previews(),
update=on_material_icon_clicked,
)
default_material = shader_library.previews[0][0] if shader_library.previews else ""
bpy.types.Scene.selected_material = bpy.props.StringProperty(
default=default_material
)
class KLIBRARY_OT_import_material(bpy.types.Operator):
bl_idname = "klibrary.import_material"
bl_label = "Import Material"
bl_options = {'REGISTER', 'UNDO'}
def execute(self, context):
shader_library = ShaderLibrary()
scene = context.scene
tool_settings = scene.tool_settings
material_name = scene.selected_material
material_folder = os.path.dirname(os.path.normpath(
__file__)) + "/data/materials/" + material_name
material_blend, found = find_blend_file(material_folder)
if not found:
return {"CANCELLED"}
with bpy.data.libraries.load(material_blend, link=False) as (data_src, data_dst):
data_dst.materials = data_src.materials
# Assign the imported material to the active object's material slot
active_obj = context.active_object
if active_obj and active_obj.type == 'MESH':
material = bpy.data.materials.get(material_name)
if material and material_name not in active_obj.data.materials:
active_obj.data.materials.append(material)
return {'FINISHED'}
else:
self.report(
{'ERROR'}, "Select a mesh object to apply the material.")
return {'CANCELLED'}
class KLibraryPanel(bpy.types.Panel):
bl_idname = "KLibrary_PL_Shaders"
bl_label = "KLibrary"
bl_category = "KLibrary"
bl_space_type = "VIEW_3D"
bl_region_type = "UI"
def draw(self, context):
pcoll = KLibrary_Layers_Preview["main"]
kofi = pcoll["kofi"]
deviant = pcoll["deviant"]
github = pcoll["github"]
scene = context.scene
layout = self.layout
box = layout.box()
row = box.row()
row.label(text="Materials")
row = box.row()
row.template_icon_view(
context.scene, "material_previews", show_labels=True)
row = box.row()
row.alignment = 'CENTER'
row.label(text=scene.selected_material)
row = box.row()
row.scale_y = 2.0
row.operator("klibrary.import_material",
text="Import Material")
box = layout.box()
box.scale_y = 1.5
box.scale_x = 1.5
kofi = box.operator(
'wm.url_open',
text='KO-FI',
icon_value=kofi.icon_id,
emboss=False
)
kofi.url = 'https://ko-fi.com/kents_workof_art'
box = layout.box()
box.scale_y = 1.5
box.scale_x = 1.5
deviant = box.operator(
'wm.url_open',
text='DEVIANT ART',
icon_value=deviant.icon_id,
emboss=False
)
deviant.url = 'https://www.deviantart.com/kents001'
box = layout.box()
box.scale_y = 1.5
box.scale_x = 1.5
github = box.operator(
'wm.url_open',
text='GITHUB',
icon_value=github.icon_id,
emboss=False
)
github.url = 'https://github.com/kents00'
KLibrary_Layers_Preview = {}
classes = (
KLibrarySettings,
KLibraryPanel,
KLIBRARY_OT_import_material
)
def register():
for cls in classes:
bpy.utils.register_class(cls)
pcoll = bpy.utils.previews.new()
absolute_path = os.path.join(os.path.dirname(__file__), 'data/')
relative_path = "icons"
path = os.path.join(absolute_path, relative_path)
pcoll.load("kofi", os.path.join(path, "kofi.png"), 'IMAGE')
pcoll.load("deviant", os.path.join(path, "deviantart.png"), 'IMAGE')
pcoll.load("github", os.path.join(path, "github.png"), 'IMAGE')
KLibrary_Layers_Preview["main"] = pcoll
def unregister():
for cls in classes:
bpy.utils.unregister_class(cls)
for pcoll in KLibrary_Layers_Preview.values():
bpy.utils.previews.remove(pcoll)
KLibrary_Layers_Preview.clear()
if __name__ == "__main__":
register()