diff options
Diffstat (limited to 'uv_magic_uv/impl/mirror_uv_impl.py')
| -rw-r--r-- | uv_magic_uv/impl/mirror_uv_impl.py | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/uv_magic_uv/impl/mirror_uv_impl.py b/uv_magic_uv/impl/mirror_uv_impl.py deleted file mode 100644 index e79fbc2c..00000000 --- a/uv_magic_uv/impl/mirror_uv_impl.py +++ /dev/null @@ -1,158 +0,0 @@ -# <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__ = "Keith (Wahooney) Boshoff, Nutti <nutti.metro@gmail.com>" -__status__ = "production" -__version__ = "5.2" -__date__ = "17 Nov 2018" - -import bmesh -from mathutils import Vector - -from .. import common - - -__all__ = [ - 'is_valid_context', - 'is_vector_similar', - 'mirror_uvs', - 'get_face_center', - 'MirrorUVImpl', -] - - -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 is_vector_similar(v1, v2, error): - """ - Check if two vectors are similar, within an error threshold - """ - within_err_x = abs(v2.x - v1.x) < error - within_err_y = abs(v2.y - v1.y) < error - within_err_z = abs(v2.z - v1.z) < error - - return within_err_x and within_err_y and within_err_z - - -def mirror_uvs(uv_layer, src, dst, axis, error): - """ - Copy UV coordinates from one UV face to another - """ - for sl in src.loops: - suv = sl[uv_layer].uv.copy() - svco = sl.vert.co.copy() - for dl in dst.loops: - dvco = dl.vert.co.copy() - if axis == 'X': - dvco.x = -dvco.x - elif axis == 'Y': - dvco.y = -dvco.y - elif axis == 'Z': - dvco.z = -dvco.z - - if is_vector_similar(svco, dvco, error): - dl[uv_layer].uv = suv.copy() - - -def get_face_center(face): - """ - Get center coordinate of the face - """ - center = Vector((0.0, 0.0, 0.0)) - for v in face.verts: - center = center + v.co - - return center / len(face.verts) - - -class MirrorUVImpl: - @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, ops_obj, context): - obj = context.active_object - bm = bmesh.from_edit_mesh(obj.data) - - error = ops_obj.error - axis = ops_obj.axis - - if common.check_version(2, 73, 0) >= 0: - bm.faces.ensure_lookup_table() - if not bm.loops.layers.uv: - ops_obj.report({'WARNING'}, - "Object must have more than one UV map") - return {'CANCELLED'} - uv_layer = bm.loops.layers.uv.verify() - - faces = [f for f in bm.faces if f.select] - for f_dst in faces: - count = len(f_dst.verts) - for f_src in bm.faces: - # check if this is a candidate to do mirror UV - if f_src.index == f_dst.index: - continue - if count != len(f_src.verts): - continue - - # test if the vertices x values are the same sign - dst = get_face_center(f_dst) - src = get_face_center(f_src) - if (dst.x > 0 and src.x > 0) or (dst.x < 0 and src.x < 0): - continue - - # invert source axis - if axis == 'X': - src.x = -src.x - elif axis == 'Y': - src.y = -src.z - elif axis == 'Z': - src.z = -src.z - - # do mirror UV - if is_vector_similar(dst, src, error): - mirror_uvs( - uv_layer, f_src, f_dst, ops_obj.axis, ops_obj.error) - - bmesh.update_edit_mesh(obj.data) - - return {'FINISHED'} |