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# <pep8-80 compliant>
# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
__version__ = "5.2"
__date__ = "17 Nov 2018"
import bpy
import bmesh
from bpy.props import (
BoolProperty,
IntProperty,
)
from .. import common
__all__ = [
'Properties',
'Operator',
]
def is_valid_context(context):
obj = context.object
# only edit mode is allowed to execute
if obj is None:
return False
if obj.type != 'MESH':
return False
if context.object.mode != 'EDIT':
return False
# only 'VIEW_3D' space is allowed to execute
for space in context.area.spaces:
if space.type == 'VIEW_3D':
break
else:
return False
return True
class Properties:
@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
class Operator(bpy.types.Operator):
"""
Operation class: Flip and Rotate UV coordinate
"""
bl_idname = "uv.muv_flip_rotate_uv_operator"
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")
obj = context.active_object
bm = bmesh.from_edit_mesh(obj.data)
if common.check_version(2, 73, 0) >= 0:
bm.faces.ensure_lookup_table()
# get UV layer
if not bm.loops.layers.uv:
self.report({'WARNING'}, "Object must have more than one UV map")
return {'CANCELLED'}
uv_layer = bm.loops.layers.uv.verify()
# get selected face
dest_uvs = []
dest_pin_uvs = []
dest_seams = []
dest_face_indices = []
for face in bm.faces:
if face.select:
dest_face_indices.append(face.index)
uvs = [l[uv_layer].uv.copy() for l in face.loops]
pin_uvs = [l[uv_layer].pin_uv for l in face.loops]
seams = [l.edge.seam for l in face.loops]
dest_uvs.append(uvs)
dest_pin_uvs.append(pin_uvs)
dest_seams.append(seams)
if not dest_uvs or not dest_pin_uvs:
self.report({'WARNING'}, "No faces are selected")
return {'CANCELLED'}
self.report({'INFO'}, "%d face(s) are selected" % len(dest_uvs))
# paste
for idx, duvs, dpuvs, dss in zip(dest_face_indices, dest_uvs,
dest_pin_uvs, dest_seams):
duvs_fr = [uv for uv in duvs]
dpuvs_fr = [pin_uv for pin_uv in dpuvs]
dss_fr = [s for s in dss]
# flip UVs
if self.flip is True:
duvs_fr.reverse()
dpuvs_fr.reverse()
dss_fr.reverse()
# rotate UVs
for _ in range(self.rotate):
uv = duvs_fr.pop()
pin_uv = dpuvs_fr.pop()
s = dss_fr.pop()
duvs_fr.insert(0, uv)
dpuvs_fr.insert(0, pin_uv)
dss_fr.insert(0, s)
# paste UVs
for l, duv, dpuv, ds in zip(
bm.faces[idx].loops, duvs_fr, dpuvs_fr, dss_fr):
l[uv_layer].uv = duv
l[uv_layer].pin_uv = dpuv
if self.seams is True:
l.edge.seam = ds
self.report({'INFO'}, "%d face(s) are flipped/rotated" % len(dest_uvs))
bmesh.update_edit_mesh(obj.data)
if self.seams is True:
obj.data.show_edge_seams = True
return {'FINISHED'}
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