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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__ = "5.1"
__date__ = "24 Feb 2018"
import bpy
import bmesh
from .. import common
class MUV_TexWrapRefer(bpy.types.Operator):
"""
Operation class: Refer UV
"""
bl_idname = "uv.muv_texwrap_refer"
bl_label = "Refer"
bl_description = "Refer UV"
bl_options = {'REGISTER', 'UNDO'}
def execute(self, context):
props = context.scene.muv_props.texwrap
obj = context.active_object
bm = bmesh.from_edit_mesh(obj.data)
if common.check_version(2, 73, 0) >= 0:
bm.faces.ensure_lookup_table()
if not bm.loops.layers.uv:
self.report({'WARNING'}, "Object must have more than one UV map")
return {'CANCELLED'}
sel_faces = [f for f in bm.faces if f.select]
if len(sel_faces) != 1:
self.report({'WARNING'}, "Must select only one face")
return {'CANCELLED'}
props.ref_face_index = sel_faces[0].index
props.ref_obj = obj
return {'FINISHED'}
class MUV_TexWrapSet(bpy.types.Operator):
"""
Operation class: Set UV
"""
bl_idname = "uv.muv_texwrap_set"
bl_label = "Set"
bl_description = "Set UV"
bl_options = {'REGISTER', 'UNDO'}
def execute(self, context):
sc = context.scene
props = sc.muv_props.texwrap
obj = context.active_object
bm = bmesh.from_edit_mesh(obj.data)
if common.check_version(2, 73, 0) >= 0:
bm.faces.ensure_lookup_table()
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()
if sc.muv_texwrap_selseq:
sel_faces = []
for hist in bm.select_history:
if isinstance(hist, bmesh.types.BMFace) and hist.select:
sel_faces.append(hist)
if not sel_faces:
self.report({'WARNING'}, "Must select more than one face")
return {'CANCELLED'}
else:
sel_faces = [f for f in bm.faces if f.select]
if len(sel_faces) != 1:
self.report({'WARNING'}, "Must select only one face")
return {'CANCELLED'}
ref_face_index = props.ref_face_index
for face in sel_faces:
tgt_face_index = face.index
if ref_face_index == tgt_face_index:
self.report({'WARNING'}, "Must select different face")
return {'CANCELLED'}
if props.ref_obj != obj:
self.report({'WARNING'}, "Object must be same")
return {'CANCELLED'}
ref_face = bm.faces[ref_face_index]
tgt_face = bm.faces[tgt_face_index]
# get common vertices info
common_verts = []
for sl in ref_face.loops:
for dl in tgt_face.loops:
if sl.vert == dl.vert:
info = {"vert": sl.vert, "ref_loop": sl,
"tgt_loop": dl}
common_verts.append(info)
break
if len(common_verts) != 2:
self.report({'WARNING'},
"2 vertices must be shared among faces")
return {'CANCELLED'}
# get reference other vertices info
ref_other_verts = []
for sl in ref_face.loops:
for ci in common_verts:
if sl.vert == ci["vert"]:
break
else:
info = {"vert": sl.vert, "loop": sl}
ref_other_verts.append(info)
if not ref_other_verts:
self.report({'WARNING'}, "More than 1 vertex must be unshared")
return {'CANCELLED'}
# get reference info
ref_info = {}
cv0 = common_verts[0]["vert"].co
cv1 = common_verts[1]["vert"].co
cuv0 = common_verts[0]["ref_loop"][uv_layer].uv
cuv1 = common_verts[1]["ref_loop"][uv_layer].uv
ov0 = ref_other_verts[0]["vert"].co
ouv0 = ref_other_verts[0]["loop"][uv_layer].uv
ref_info["vert_vdiff"] = cv1 - cv0
ref_info["uv_vdiff"] = cuv1 - cuv0
ref_info["vert_hdiff"], _ = common.diff_point_to_segment(
cv0, cv1, ov0)
ref_info["uv_hdiff"], _ = common.diff_point_to_segment(
cuv0, cuv1, ouv0)
# get target other vertices info
tgt_other_verts = []
for dl in tgt_face.loops:
for ci in common_verts:
if dl.vert == ci["vert"]:
break
else:
info = {"vert": dl.vert, "loop": dl}
tgt_other_verts.append(info)
if not tgt_other_verts:
self.report({'WARNING'}, "More than 1 vertex must be unshared")
return {'CANCELLED'}
# get target info
for info in tgt_other_verts:
cv0 = common_verts[0]["vert"].co
cv1 = common_verts[1]["vert"].co
cuv0 = common_verts[0]["ref_loop"][uv_layer].uv
ov = info["vert"].co
info["vert_hdiff"], x = common.diff_point_to_segment(
cv0, cv1, ov)
info["vert_vdiff"] = x - common_verts[0]["vert"].co
# calclulate factor
fact_h = -info["vert_hdiff"].length / \
ref_info["vert_hdiff"].length
fact_v = info["vert_vdiff"].length / \
ref_info["vert_vdiff"].length
duv_h = ref_info["uv_hdiff"] * fact_h
duv_v = ref_info["uv_vdiff"] * fact_v
# get target UV
info["target_uv"] = cuv0 + duv_h + duv_v
# apply to common UVs
for info in common_verts:
info["tgt_loop"][uv_layer].uv = \
info["ref_loop"][uv_layer].uv.copy()
# apply to other UVs
for info in tgt_other_verts:
info["loop"][uv_layer].uv = info["target_uv"]
common.debug_print("===== Target Other Vertices =====")
common.debug_print(tgt_other_verts)
bmesh.update_edit_mesh(obj.data)
ref_face_index = tgt_face_index
if sc.muv_texwrap_set_and_refer:
props.ref_face_index = tgt_face_index
return {'FINISHED'}
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