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# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
__author__ = "imdjs, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
__version__ = "6.5"
__date__ = "6 Mar 2021"
import math
from math import atan2, sin, cos
import bpy
import bmesh
from mathutils import Vector
from .. import common
from ..utils.bl_class_registry import BlClassRegistry
from ..utils.property_class_registry import PropertyClassRegistry
def _is_valid_context(context):
# Multiple objects editing mode is not supported in this feature.
objs = common.get_uv_editable_objects(context)
if len(objs) != 1:
return False
# only edit mode is allowed to execute
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
if not common.is_valid_space(context, ['IMAGE_EDITOR', 'VIEW_3D']):
return False
return True
@PropertyClassRegistry()
class _Properties:
idname = "copy_paste_uv_uvedit"
@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
@BlClassRegistry()
class MUV_OT_CopyPasteUVUVEdit_CopyUV(bpy.types.Operator):
"""
Operation class: Copy UV coordinate on UV/Image Editor
"""
bl_idname = "uv.muv_copy_paste_uv_uvedit_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
objs = common.get_uv_editable_objects(context)
# poll() method ensures that only one object is selected.
obj = objs[0]
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'}
@BlClassRegistry()
class MUV_OT_CopyPasteUVUVEdit_PasteUV(bpy.types.Operator):
"""
Operation class: Paste UV coordinate on UV/Image Editor
"""
bl_idname = "uv.muv_copy_paste_uv_uvedit_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
objs = common.get_uv_editable_objects(context)
# poll() method ensures that only one object is selected.
obj = objs[0]
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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