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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>, Jace Priester"
__status__ = "production"
__version__ = "5.2"
__date__ = "17 Nov 2018"
import math
from math import atan2, sin, cos
import bpy
import bmesh
from mathutils import Vector
from .. import common
__all__ = [
'Properties',
'OperatorCopyUV',
'OperatorPasteUV',
]
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
# 'IMAGE_EDITOR' and 'VIEW_3D' space is allowed to execute.
# If 'View_3D' space is not allowed, you can't find option in Tool-Shelf
# after the execution
for space in context.area.spaces:
if (space.type == 'IMAGE_EDITOR') or (space.type == 'VIEW_3D'):
break
else:
return False
return True
class Properties:
@classmethod
def init_props(cls, scene):
class Props():
src_uvs = None
scene.muv_props.copy_paste_uv_uvedit = Props()
@classmethod
def del_props(cls, scene):
del scene.muv_props.copy_paste_uv_uvedit
class OperatorCopyUV(bpy.types.Operator):
"""
Operation class: Copy UV coordinate on UV/Image Editor
"""
bl_idname = "uv.muv_copy_paste_uv_uvedit_operator_copy_uv"
bl_label = "Copy UV (UV/Image Editor)"
bl_description = "Copy UV coordinate (only selected in UV/Image Editor)"
bl_options = {'REGISTER', 'UNDO'}
@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):
props = context.scene.muv_props.copy_paste_uv_uvedit
obj = context.active_object
bm = bmesh.from_edit_mesh(obj.data)
uv_layer = bm.loops.layers.uv.verify()
if common.check_version(2, 73, 0) >= 0:
bm.faces.ensure_lookup_table()
props.src_uvs = []
for face in bm.faces:
if not face.select:
continue
skip = False
for l in face.loops:
if not l[uv_layer].select:
skip = True
break
if skip:
continue
props.src_uvs.append([l[uv_layer].uv.copy() for l in face.loops])
return {'FINISHED'}
class OperatorPasteUV(bpy.types.Operator):
"""
Operation class: Paste UV coordinate on UV/Image Editor
"""
bl_idname = "uv.muv_copy_paste_uv_uvedit_operator_paste_uv"
bl_label = "Paste UV (UV/Image Editor)"
bl_description = "Paste UV coordinate (only selected in UV/Image Editor)"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
# we can not get area/space/region from console
if common.is_console_mode():
return True
sc = context.scene
props = sc.muv_props.copy_paste_uv_uvedit
if not props.src_uvs:
return False
return is_valid_context(context)
def execute(self, context):
props = context.scene.muv_props.copy_paste_uv_uvedit
obj = context.active_object
bm = bmesh.from_edit_mesh(obj.data)
uv_layer = bm.loops.layers.uv.verify()
if common.check_version(2, 73, 0) >= 0:
bm.faces.ensure_lookup_table()
dest_uvs = []
dest_face_indices = []
for face in bm.faces:
if not face.select:
continue
skip = False
for l in face.loops:
if not l[uv_layer].select:
skip = True
break
if skip:
continue
dest_face_indices.append(face.index)
uvs = [l[uv_layer].uv.copy() for l in face.loops]
dest_uvs.append(uvs)
for suvs, duvs in zip(props.src_uvs, dest_uvs):
src_diff = suvs[1] - suvs[0]
dest_diff = duvs[1] - duvs[0]
src_base = suvs[0]
dest_base = duvs[0]
src_rad = atan2(src_diff.y, src_diff.x)
dest_rad = atan2(dest_diff.y, dest_diff.x)
if src_rad < dest_rad:
radian = dest_rad - src_rad
elif src_rad > dest_rad:
radian = math.pi * 2 - (src_rad - dest_rad)
else: # src_rad == dest_rad
radian = 0.0
ratio = dest_diff.length / src_diff.length
break
for suvs, fidx in zip(props.src_uvs, dest_face_indices):
for l, suv in zip(bm.faces[fidx].loops, suvs):
base = suv - src_base
radian_ref = atan2(base.y, base.x)
radian_fin = (radian + radian_ref)
length = base.length
turn = Vector((length * cos(radian_fin),
length * sin(radian_fin)))
target_uv = Vector((turn.x * ratio, turn.y * ratio)) + \
dest_base
l[uv_layer].uv = target_uv
bmesh.update_edit_mesh(obj.data)
return {'FINISHED'}
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