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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__ = "imdjs, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
__version__ = "5.2"
__date__ = "17 Nov 2018"
__all__ = [
'is_valid_context',
'get_uv_layer',
'get_src_face_info',
]
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 get_src_face_info(ops_obj, bm, uv_layers, only_select=False):
src_info = {}
for layer in uv_layers:
face_info = []
for face in bm.faces:
if not only_select or face.select:
info = {
"index": face.index,
"uvs": [l[layer].uv.copy() for l in face.loops],
"pin_uvs": [l[layer].pin_uv for l in face.loops],
"seams": [l.edge.seam for l in face.loops],
}
face_info.append(info)
if not face_info:
ops_obj.report({'WARNING'}, "No faces are selected")
return None
src_info[layer.name] = face_info
return src_info
def paste_uv(ops_obj, bm, src_info, dest_info, uv_layers, strategy, flip,
rotate, copy_seams):
for slayer_name, dlayer in zip(src_info.keys(), uv_layers):
src_faces = src_info[slayer_name]
dest_faces = dest_info[dlayer.name]
for idx, dinfo in enumerate(dest_faces):
sinfo = None
if strategy == 'N_N':
sinfo = src_faces[idx]
elif strategy == 'N_M':
sinfo = src_faces[idx % len(src_faces)]
suv = sinfo["uvs"]
spuv = sinfo["pin_uvs"]
ss = sinfo["seams"]
if len(sinfo["uvs"]) != len(dinfo["uvs"]):
ops_obj.report({'WARNING'}, "Some faces are different size")
return -1
suvs_fr = [uv for uv in suv]
spuvs_fr = [pin_uv for pin_uv in spuv]
ss_fr = [s for s in ss]
# flip UVs
if flip is True:
suvs_fr.reverse()
spuvs_fr.reverse()
ss_fr.reverse()
# rotate UVs
for _ in range(rotate):
uv = suvs_fr.pop()
pin_uv = spuvs_fr.pop()
s = ss_fr.pop()
suvs_fr.insert(0, uv)
spuvs_fr.insert(0, pin_uv)
ss_fr.insert(0, s)
# paste UVs
for l, suv, spuv, ss in zip(bm.faces[dinfo["index"]].loops,
suvs_fr, spuvs_fr, ss_fr):
l[dlayer].uv = suv
l[dlayer].pin_uv = spuv
if copy_seams is True:
l.edge.seam = ss
return 0
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