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import bpy, re
from . import blender_funcs
# simple OBJ importer specific for NeoKCLCreate
# import_obj_neokclcreate() function
# read superbmd/blenxy collada file
# used to import the collada file into Blender
def import_obj_neokclcreate(context, filepath):
# scene variable is always needed for something
scene = bpy.context.scene
# load the OBJ file into blender
bpy.ops.import_scene.obj(filepath = filepath, axis_forward = '-Z', axis_up = 'Y')
# select the single OBJ mesh and reduce its size to match blenxy's coordinate system
obj = None
for o in bpy.data.objects:
# selection in blender api is confusing
if (o.select == True):
obj = o
break
blender_funcs.select_obj(obj, False, "OBJECT")
obj.scale = obj.scale / 100
bpy.ops.object.transform_apply(location = True, rotation = True, scale = True)
# deal with the infinite materials (merge those that are similar)
# slow as a turtle, but works like a charm
for i in range(len(obj.material_slots)):
# i will not be bound to len(obj.material_slots) once a material is deleted
if (i >= len(obj.material_slots)):
break
mat = obj.material_slots[i]
cur_mat_name = re.sub("^(.*?)\| ", "", mat.name)
# iterate over all the mesh faces
for face in obj.data.polygons:
print(face)
face_mat = obj.material_slots[face.material_index]
face_mat_name = re.sub("^(.*?)\| ", "", face_mat.name)
# material with the same name found
if (cur_mat_name == face_mat_name and i != face.material_index):
bpy.data.materials.remove(face_mat.material) # remove the material data and the slot
obj.active_material_index = face.material_index
bpy.ops.object.material_slot_remove()
face.material_index = i # change the index to be the material of the current loop
# put the OBJ inside an armature object
bpy.ops.object.armature_add()
obj.parent = scene.objects.active
# done!
blender_funcs.disp_msg("NeoKCLCreate OBJ file imported!")
return {'FINISHED'}
#################################################
# Stuff down is for the menu appending
# of the importer to work plus some setting stuff
# comes from a Blender importer template
# ExportHelper is a helper class, defines filename and
# invoke() function which calls the file selector.
from bpy_extras.io_utils import ExportHelper
from bpy.props import StringProperty, BoolProperty, EnumProperty
from bpy.types import Operator
class import_neokclcreate_obj(Operator, ExportHelper):
bl_idname = "import_scene.neokclcreate_obj"
bl_label = "Import NeoKCLCreate OBJ (.OBJ)"
# ExportHelper mixin class uses this
filename_ext = ".obj"
filter_glob = StringProperty(default = "*.obj", options = {"HIDDEN"}, maxlen = 255)
# execute function
def execute(self, context):
return import_obj_neokclcreate(context, self.filepath)
# Only needed if you want to add into a dynamic menu
def menu_import_neokclcreate_obj(self, context):
self.layout.operator(import_neokclcreate_obj.bl_idname, text="NeoKCLCreate OBJ (.obj)")
# register func
@bpy.app.handlers.persistent
def register(dummy):
try:
bpy.utils.register_class(import_neokclcreate_obj)
bpy.types.INFO_MT_file_import.append(menu_import_neokclcreate_obj)
except:
return
# unregister func
def unregister():
try:
bpy.utils.unregister_class(import_neokclcreate_obj)
bpy.types.INFO_MT_file_import.remove(menu_import_neokclcreate_obj)
except:
return
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