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# gpl: author Nobuyuki Hirakata
import bpy
import os
# Allow changing the original material names from the .blend file
# by replacing them with the UI Names from the EnumProperty
def get_ui_mat_name(mat_name):
mat_ui_name = "CrackIt Material"
try:
# access the Scene type directly to get the name from the enum
mat_items = bpy.types.Scene.crackit[1]["type"].bl_rna.material_preset[1]["items"]
for mat_id, mat_list in enumerate(mat_items):
if mat_name in mat_list:
mat_ui_name = mat_items[mat_id][1]
break
del mat_items
except Exception as e:
error_handlers(
False, "get_ui_mat_name", e,
"Retrieving the EnumProperty key UI Name could not be completed", True
)
pass
return mat_ui_name
# error_type='ERROR' for popup massage
def error_handlers(self, op_name, error, reports="ERROR", func=False, error_type='WARNING'):
if self and reports:
self.report({error_type}, reports + " (See Console for more info)")
is_func = "Function" if func else "Operator"
print("\n[Cell Fracture Crack It]\n{}: {}\nError: "
"{}\nReport: {}\n".format(is_func, op_name, error, reports))
def appendMaterial(mat_lib_name, mat_name, mat_ui_names="Nameless Material"):
file_path = _makeFilePath(os.path.dirname(__file__))
bpy.ops.wm.append(filename=mat_name, directory=file_path)
# If material is loaded some times, select the last-loaded material
last_material = _getAppendedMaterial(mat_name)
if last_material:
mat = bpy.data.materials[last_material]
# skip renaming if the prop is True
if not mat_lib_name:
mat.name = mat_ui_names
# Apply Only one material in the material slot
for m in bpy.context.object.data.materials:
bpy.ops.object.material_slot_remove()
bpy.context.object.data.materials.append(mat)
return True
return False
# Make file path of addon
def _makeFilePath(addon_path):
material_folder = "/materials"
blend_file = "/materials1.blend"
category = "\\Material\\"
file_path = addon_path + material_folder + blend_file + category
return file_path
# Get last-loaded material, such as ~.002
def _getAppendedMaterial(material_name):
# Get material name list
material_names = [m.name for m in bpy.data.materials if material_name in m.name]
if material_names:
# Return last material in the sorted order
material_names.sort()
return material_names[-1]
return None
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