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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>, Mifth, MaxRobinot"
__status__ = "production"
__version__ = "5.2"
__date__ = "17 Nov 2018"
from collections import OrderedDict
import bpy
import bmesh
from bpy.props import BoolProperty
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):
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
def _get_uv_layer(ops_obj, bm):
# get UV layer
if not bm.loops.layers.uv:
ops_obj.report({'WARNING'}, "Object must have more than one UV map")
return None
uv_layer = bm.loops.layers.uv.verify()
return uv_layer
def _main_parse(ops_obj, uv_layer, sel_faces, active_face, active_face_nor):
all_sorted_faces = OrderedDict() # This is the main stuff
used_verts = set()
used_edges = set()
faces_to_parse = []
# get shared edge of two faces
cross_edges = []
for edge in active_face.edges:
if edge in sel_faces[0].edges and edge in sel_faces[1].edges:
cross_edges.append(edge)
# parse two selected faces
if cross_edges and len(cross_edges) == 1:
shared_edge = cross_edges[0]
vert1 = None
vert2 = None
dot_n = active_face_nor.normalized()
edge_vec_1 = (shared_edge.verts[1].co - shared_edge.verts[0].co)
edge_vec_len = edge_vec_1.length
edge_vec_1 = edge_vec_1.normalized()
af_center = active_face.calc_center_median()
af_vec = shared_edge.verts[0].co + (edge_vec_1 * (edge_vec_len * 0.5))
af_vec = (af_vec - af_center).normalized()
if af_vec.cross(edge_vec_1).dot(dot_n) > 0:
vert1 = shared_edge.verts[0]
vert2 = shared_edge.verts[1]
else:
vert1 = shared_edge.verts[1]
vert2 = shared_edge.verts[0]
# get active face stuff and uvs
face_stuff = _get_other_verts_edges(
active_face, vert1, vert2, shared_edge, uv_layer)
all_sorted_faces[active_face] = face_stuff
used_verts.update(active_face.verts)
used_edges.update(active_face.edges)
# get first selected face stuff and uvs as they share shared_edge
second_face = sel_faces[0]
if second_face is active_face:
second_face = sel_faces[1]
face_stuff = _get_other_verts_edges(
second_face, vert1, vert2, shared_edge, uv_layer)
all_sorted_faces[second_face] = face_stuff
used_verts.update(second_face.verts)
used_edges.update(second_face.edges)
# first Grow
faces_to_parse.append(active_face)
faces_to_parse.append(second_face)
else:
ops_obj.report({'WARNING'}, "Two faces should share one edge")
return None
# parse all faces
while True:
new_parsed_faces = []
if not faces_to_parse:
break
for face in faces_to_parse:
face_stuff = all_sorted_faces.get(face)
new_faces = _parse_faces(face, face_stuff, used_verts, used_edges,
all_sorted_faces, uv_layer)
if new_faces is None:
ops_obj.report({'WARNING'}, "More than 2 faces share edge")
return None
new_parsed_faces += new_faces
faces_to_parse = new_parsed_faces
return all_sorted_faces
def _parse_faces(check_face, face_stuff, used_verts, used_edges,
all_sorted_faces, uv_layer):
"""recurse faces around the new_grow only"""
new_shared_faces = []
for sorted_edge in face_stuff[1]:
shared_faces = sorted_edge.link_faces
if shared_faces:
if len(shared_faces) > 2:
bpy.ops.mesh.select_all(action='DESELECT')
for face_sel in shared_faces:
face_sel.select = True
shared_faces = []
return None
clear_shared_faces = _get_new_shared_faces(
check_face, sorted_edge, shared_faces, all_sorted_faces.keys())
if clear_shared_faces:
shared_face = clear_shared_faces[0]
# get vertices of the edge
vert1 = sorted_edge.verts[0]
vert2 = sorted_edge.verts[1]
common.debug_print(face_stuff[0], vert1, vert2)
if face_stuff[0].index(vert1) > face_stuff[0].index(vert2):
vert1 = sorted_edge.verts[1]
vert2 = sorted_edge.verts[0]
common.debug_print(shared_face.verts, vert1, vert2)
new_face_stuff = _get_other_verts_edges(
shared_face, vert1, vert2, sorted_edge, uv_layer)
all_sorted_faces[shared_face] = new_face_stuff
used_verts.update(shared_face.verts)
used_edges.update(shared_face.edges)
if common.is_debug_mode():
shared_face.select = True # test which faces are parsed
new_shared_faces.append(shared_face)
return new_shared_faces
def _get_new_shared_faces(orig_face, shared_edge, check_faces, used_faces):
shared_faces = []
for face in check_faces:
is_shared_edge = shared_edge in face.edges
not_used = face not in used_faces
not_orig = face is not orig_face
not_hide = face.hide is False
if is_shared_edge and not_used and not_orig and not_hide:
shared_faces.append(face)
return shared_faces
def _get_other_verts_edges(face, vert1, vert2, first_edge, uv_layer):
face_edges = [first_edge]
face_verts = [vert1, vert2]
face_loops = []
other_edges = [edge for edge in face.edges if edge not in face_edges]
for _ in range(len(other_edges)):
found_edge = None
# get sorted verts and edges
for edge in other_edges:
if face_verts[-1] in edge.verts:
other_vert = edge.other_vert(face_verts[-1])
if other_vert not in face_verts:
face_verts.append(other_vert)
found_edge = edge
if found_edge not in face_edges:
face_edges.append(edge)
break
other_edges.remove(found_edge)
# get sorted uvs
for vert in face_verts:
for loop in face.loops:
if loop.vert is vert:
face_loops.append(loop[uv_layer])
break
return [face_verts, face_edges, face_loops]
def _get_selected_src_faces(ops_obj, bm, uv_layer):
topology_copied = []
# get selected faces
active_face = bm.faces.active
sel_faces = [face for face in bm.faces if face.select]
if len(sel_faces) != 2:
ops_obj.report({'WARNING'}, "Two faces must be selected")
return None
if not active_face or active_face not in sel_faces:
ops_obj.report({'WARNING'}, "Two faces must be active")
return None
# parse all faces according to selection
active_face_nor = active_face.normal.copy()
all_sorted_faces = _main_parse(ops_obj, uv_layer, sel_faces, active_face,
active_face_nor)
if all_sorted_faces:
for face_data in all_sorted_faces.values():
edges = face_data[1]
uv_loops = face_data[2]
uvs = [l.uv.copy() for l in uv_loops]
pin_uvs = [l.pin_uv for l in uv_loops]
seams = [e.seam for e in edges]
topology_copied.append([uvs, pin_uvs, seams])
else:
return None
return topology_copied
def _paste_uv(ops_obj, bm, uv_layer, src_faces, invert_normals, copy_seams):
# get selection history
all_sel_faces = [e for e in bm.select_history
if isinstance(e, bmesh.types.BMFace) and e.select]
if len(all_sel_faces) % 2 != 0:
ops_obj.report({'WARNING'}, "Two faces must be selected")
return -1
# parse selection history
for i, _ in enumerate(all_sel_faces):
if (i == 0) or (i % 2 == 0):
continue
sel_faces = [all_sel_faces[i - 1], all_sel_faces[i]]
active_face = all_sel_faces[i]
# parse all faces according to selection history
active_face_nor = active_face.normal.copy()
if invert_normals:
active_face_nor.negate()
all_sorted_faces = _main_parse(ops_obj, uv_layer, sel_faces,
active_face, active_face_nor)
if all_sorted_faces:
# check amount of copied/pasted faces
if len(all_sorted_faces) != len(src_faces):
ops_obj.report({'WARNING'},
"Mesh has different amount of faces")
return -1
for j, face_data in enumerate(all_sorted_faces.values()):
copied_data = src_faces[j]
# check amount of copied/pasted verts
if len(copied_data[0]) != len(face_data[2]):
bpy.ops.mesh.select_all(action='DESELECT')
# select problematic face
list(all_sorted_faces.keys())[j].select = True
ops_obj.report({'WARNING'},
"Face have different amount of vertices")
return 0
for k, (edge, uvloop) in enumerate(zip(face_data[1],
face_data[2])):
uvloop.uv = copied_data[0][k]
uvloop.pin_uv = copied_data[1][k]
if copy_seams:
edge.seam = copied_data[2][k]
else:
return -1
return 0
@PropertyClassRegistry()
class _Properties:
idname = "transfer_uv"
@classmethod
def init_props(cls, scene):
class Props():
topology_copied = None
scene.muv_props.transfer_uv = Props()
scene.muv_transfer_uv_enabled: BoolProperty(
name="Transfer UV Enabled",
description="Transfer UV is enabled",
default=False
)
scene.muv_transfer_uv_invert_normals: BoolProperty(
name="Invert Normals",
description="Invert Normals",
default=False
)
scene.muv_transfer_uv_copy_seams: BoolProperty(
name="Copy Seams",
description="Copy Seams",
default=True
)
@classmethod
def del_props(cls, scene):
del scene.muv_transfer_uv_enabled
del scene.muv_transfer_uv_invert_normals
del scene.muv_transfer_uv_copy_seams
@BlClassRegistry()
class MUV_OT_TransferUV_CopyUV(bpy.types.Operator):
"""
Operation class: Transfer UV copy
Topological based copy
"""
bl_idname = "uv.muv_transfer_uv_operator_copy_uv"
bl_label = "Transfer UV Copy UV"
bl_description = "Transfer UV Copy UV (Topological based copy)"
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.transfer_uv
active_obj = compat.get_active_object(context)
bm = bmesh.from_edit_mesh(active_obj.data)
if compat.check_version(2, 73, 0) >= 0:
bm.faces.ensure_lookup_table()
uv_layer = _get_uv_layer(self, bm)
if uv_layer is None:
return {'CANCELLED'}
faces = _get_selected_src_faces(self, bm, uv_layer)
if faces is None:
return {'CANCELLED'}
props.topology_copied = faces
bmesh.update_edit_mesh(active_obj.data)
return {'FINISHED'}
@BlClassRegistry()
@compat.make_annotations
class MUV_OT_TransferUV_PasteUV(bpy.types.Operator):
"""
Operation class: Transfer UV paste
Topological based paste
"""
bl_idname = "uv.muv_transfer_uv_operator_paste_uv"
bl_label = "Transfer UV Paste UV"
bl_description = "Transfer UV Paste UV (Topological based paste)"
bl_options = {'REGISTER', 'UNDO'}
invert_normals: BoolProperty(
name="Invert Normals",
description="Invert Normals",
default=False
)
copy_seams: BoolProperty(
name="Copy Seams",
description="Copy Seams",
default=True
)
@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.transfer_uv
if not props.topology_copied:
return False
return _is_valid_context(context)
def execute(self, context):
props = context.scene.muv_props.transfer_uv
active_obj = compat.get_active_object(context)
bm = bmesh.from_edit_mesh(active_obj.data)
if compat.check_version(2, 73, 0) >= 0:
bm.faces.ensure_lookup_table()
# get UV layer
uv_layer = _get_uv_layer(self, bm)
if uv_layer is None:
return {'CANCELLED'}
ret = _paste_uv(self, bm, uv_layer, props.topology_copied,
self.invert_normals, self.copy_seams)
if ret:
return {'CANCELLED'}
bmesh.update_edit_mesh(active_obj.data)
if compat.check_version(2, 80, 0) < 0:
if self.copy_seams:
active_obj.data.show_edge_seams = True
return {'FINISHED'}
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