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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__ = "4.3.1"
__date__ = "6 June 2017"
import bpy
import bmesh
from bpy.props import (
BoolProperty,
IntProperty,
)
from . import muv_common
class MUV_FlipRot(bpy.types.Operator):
"""
Operation class: Flip and Rotate UV coordinate
"""
bl_idname = "uv.muv_fliprot"
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
)
def execute(self, context):
self.report({'INFO'}, "Flip/Rotate UV")
obj = context.active_object
bm = bmesh.from_edit_mesh(obj.data)
if muv_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_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]
dest_uvs.append(uvs)
dest_pin_uvs.append(pin_uvs)
if len(dest_uvs) == 0 or len(dest_pin_uvs) == 0:
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 in zip(dest_face_indices, dest_uvs, dest_pin_uvs):
duvs_fr = [uv for uv in duvs]
dpuvs_fr = [pin_uv for pin_uv in dpuvs]
# flip UVs
if self.flip is True:
duvs_fr.reverse()
dpuvs_fr.reverse()
# rotate UVs
for _ in range(self.rotate):
uv = duvs_fr.pop()
pin_uv = dpuvs_fr.pop()
duvs_fr.insert(0, uv)
dpuvs_fr.insert(0, pin_uv)
# paste UVs
for l, duv, dpuv in zip(bm.faces[idx].loops, duvs_fr, dpuvs_fr):
l[uv_layer].uv = duv
l[uv_layer].pin_uv = dpuv
self.report({'INFO'}, "%d face(s) are flipped/rotated" % len(dest_uvs))
bmesh.update_edit_mesh(obj.data)
return {'FINISHED'}
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