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# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
__version__ = "6.6"
__date__ = "22 Apr 2022"
import bpy
import bmesh
from bpy.props import (
BoolProperty,
IntProperty,
)
from .. import common
from ..utils.bl_class_registry import BlClassRegistry
from ..utils.property_class_registry import PropertyClassRegistry
from ..utils import compatibility as compat
def _is_valid_context(context):
# only 'VIEW_3D' space is allowed to execute
if not common.is_valid_space(context, ['VIEW_3D']):
return False
objs = common.get_uv_editable_objects(context)
if not objs:
return False
# only edit mode is allowed to execute
if context.object.mode != 'EDIT':
return False
return True
def _get_uv_layer(bm):
# get UV layer
if not bm.loops.layers.uv:
return None
uv_layer = bm.loops.layers.uv.verify()
return uv_layer
def _get_src_face_info(bm, uv_layers, only_select=False):
src_info = {}
for layer in uv_layers:
face_info = []
for face in bm.faces:
if not only_select or face.select:
info = {
"index": face.index,
"uvs": [l[layer].uv.copy() for l in face.loops],
"pin_uvs": [l[layer].pin_uv for l in face.loops],
"seams": [l.edge.seam for l in face.loops],
}
face_info.append(info)
if not face_info:
return None
src_info[layer.name] = face_info
return src_info
def _paste_uv(bm, src_info, dest_info, uv_layers, strategy, flip,
rotate, copy_seams):
for slayer_name, dlayer in zip(src_info.keys(), uv_layers):
src_faces = src_info[slayer_name]
dest_faces = dest_info[dlayer.name]
for idx, dinfo in enumerate(dest_faces):
sinfo = None
if strategy == 'N_N':
sinfo = src_faces[idx]
elif strategy == 'N_M':
sinfo = src_faces[idx % len(src_faces)]
suv = sinfo["uvs"]
spuv = sinfo["pin_uvs"]
ss = sinfo["seams"]
if len(sinfo["uvs"]) != len(dinfo["uvs"]):
return -1
suvs_fr = [uv for uv in suv]
spuvs_fr = [pin_uv for pin_uv in spuv]
ss_fr = [s for s in ss]
# flip UVs
if flip is True:
suvs_fr.reverse()
spuvs_fr.reverse()
ss_fr.reverse()
# rotate UVs
for _ in range(rotate):
uv = suvs_fr.pop()
pin_uv = spuvs_fr.pop()
s = ss_fr.pop()
suvs_fr.insert(0, uv)
spuvs_fr.insert(0, pin_uv)
ss_fr.insert(0, s)
# paste UVs
for l, suv, spuv, ss in zip(bm.faces[dinfo["index"]].loops,
suvs_fr, spuvs_fr, ss_fr):
l[dlayer].uv = suv
l[dlayer].pin_uv = spuv
if copy_seams is True:
l.edge.seam = ss
return 0
@PropertyClassRegistry()
class _Properties:
idname = "flip_rotate_uv"
@classmethod
def init_props(cls, scene):
scene.muv_flip_rotate_uv_enabled = BoolProperty(
name="Flip/Rotate UV Enabled",
description="Flip/Rotate UV is enabled",
default=False
)
scene.muv_flip_rotate_uv_seams = BoolProperty(
name="Seams",
description="Seams",
default=True
)
@classmethod
def del_props(cls, scene):
del scene.muv_flip_rotate_uv_enabled
del scene.muv_flip_rotate_uv_seams
@BlClassRegistry()
@compat.make_annotations
class MUV_OT_FlipRotateUV(bpy.types.Operator):
"""
Operation class: Flip and Rotate UV coordinate
"""
bl_idname = "uv.muv_flip_rotate_uv"
bl_label = "Flip/Rotate UV"
bl_description = "Flip/Rotate UV coordinate"
bl_options = {'REGISTER', 'UNDO'}
flip = BoolProperty(
name="Flip UV",
description="Flip UV...",
default=False
)
rotate = IntProperty(
default=0,
name="Rotate UV",
min=0,
max=30
)
seams = BoolProperty(
name="Seams",
description="Seams",
default=True
)
@classmethod
def poll(cls, context):
# we can not get area/space/region from console
if common.is_console_mode():
return True
return _is_valid_context(context)
def execute(self, context):
self.report({'INFO'}, "Flip/Rotate UV")
objs = common.get_uv_editable_objects(context)
face_count = 0
for obj in objs:
bm = bmesh.from_edit_mesh(obj.data)
if common.check_version(2, 73, 0) >= 0:
bm.faces.ensure_lookup_table()
# get UV layer
uv_layer = _get_uv_layer(bm)
if not uv_layer:
self.report({'WARNING'},
"Object {} must have more than one UV map"
.format(obj.name))
return {'CANCELLED'}
# get selected face
src_info = _get_src_face_info(bm, [uv_layer], True)
if not src_info:
continue
# paste
ret = _paste_uv(bm, src_info, src_info, [uv_layer], 'N_N',
self.flip, self.rotate, self.seams)
if ret:
self.report({'WARNING'},
"Some Object {}'s faces are different size"
.format(obj.name))
return {'CANCELLED'}
bmesh.update_edit_mesh(obj.data)
if compat.check_version(2, 80, 0) < 0:
if self.seams is True:
obj.data.show_edge_seams = True
face_count += len(src_info[list(src_info.keys())[0]])
if face_count == 0:
self.report({'WARNING'}, "No faces are selected")
return {'CANCELLED'}
self.report({'INFO'},
"{} face(s) are fliped/rotated".format(face_count))
return {'FINISHED'}
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