diff options
Diffstat (limited to 'uv_magic_uv/impl/pack_uv_impl.py')
| -rw-r--r-- | uv_magic_uv/impl/pack_uv_impl.py | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/uv_magic_uv/impl/pack_uv_impl.py b/uv_magic_uv/impl/pack_uv_impl.py deleted file mode 100644 index 49f954f3..00000000 --- a/uv_magic_uv/impl/pack_uv_impl.py +++ /dev/null @@ -1,202 +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__ = "Nutti <nutti.metro@gmail.com>" -__status__ = "production" -__version__ = "5.2" -__date__ = "17 Nov 2018" - -from math import fabs - -import bpy -import bmesh -import mathutils -from mathutils import Vector - -from .. import common - - -__all__ = [ - 'PackUVImpl', -] - - -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 - - # '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 - for space in context.area.spaces: - if (space.type == 'IMAGE_EDITOR') or (space.type == 'VIEW_3D'): - break - else: - return False - - return True - - -def sort_island_faces(kd, uvs, isl1, isl2): - """ - Sort faces in island - """ - - sorted_faces = [] - for f in isl1['sorted']: - _, idx, _ = kd.find( - Vector((f['ave_uv'].x, f['ave_uv'].y, 0.0))) - sorted_faces.append(isl2['faces'][uvs[idx]['face_idx']]) - return sorted_faces - - -def group_island(island_info, allowable_center_deviation, - allowable_size_deviation): - """ - Group island - """ - - num_group = 0 - while True: - # search islands which is not parsed yet - isl_1 = None - for isl_1 in island_info: - if isl_1['group'] == -1: - break - else: - break # all faces are parsed - if isl_1 is None: - break - isl_1['group'] = num_group - isl_1['sorted'] = isl_1['faces'] - - # search same island - for isl_2 in island_info: - if isl_2['group'] == -1: - dcx = isl_2['center'].x - isl_1['center'].x - dcy = isl_2['center'].y - isl_1['center'].y - dsx = isl_2['size'].x - isl_1['size'].x - dsy = isl_2['size'].y - isl_1['size'].y - center_x_matched = ( - fabs(dcx) < allowable_center_deviation[0] - ) - center_y_matched = ( - fabs(dcy) < allowable_center_deviation[1] - ) - size_x_matched = ( - fabs(dsx) < allowable_size_deviation[0] - ) - size_y_matched = ( - fabs(dsy) < allowable_size_deviation[1] - ) - center_matched = center_x_matched and center_y_matched - size_matched = size_x_matched and size_y_matched - num_uv_matched = (isl_2['num_uv'] == isl_1['num_uv']) - # are islands have same? - if center_matched and size_matched and num_uv_matched: - isl_2['group'] = num_group - kd = mathutils.kdtree.KDTree(len(isl_2['faces'])) - uvs = [ - { - 'uv': Vector( - (f['ave_uv'].x, f['ave_uv'].y, 0.0) - ), - 'face_idx': fidx - } for fidx, f in enumerate(isl_2['faces']) - ] - for i, uv in enumerate(uvs): - kd.insert(uv['uv'], i) - kd.balance() - # sort faces for copy/paste UV - isl_2['sorted'] = sort_island_faces(kd, uvs, isl_1, isl_2) - num_group = num_group + 1 - - return num_group - - -class PackUVImpl: - @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) - 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() - - selected_faces = [f for f in bm.faces if f.select] - island_info = common.get_island_info(obj) - num_group = group_island(island_info, - ops_obj.allowable_center_deviation, - ops_obj.allowable_size_deviation) - - loop_lists = [l for f in bm.faces for l in f.loops] - bpy.ops.mesh.select_all(action='DESELECT') - - # pack UV - for gidx in range(num_group): - group = list(filter( - lambda i, idx=gidx: i['group'] == idx, island_info)) - for f in group[0]['faces']: - f['face'].select = True - bmesh.update_edit_mesh(obj.data) - bpy.ops.uv.select_all(action='SELECT') - bpy.ops.uv.pack_islands(rotate=ops_obj.rotate, margin=ops_obj.margin) - - # copy/paste UV among same islands - for gidx in range(num_group): - group = list(filter( - lambda i, idx=gidx: i['group'] == idx, island_info)) - if len(group) <= 1: - continue - for g in group[1:]: - for (src_face, dest_face) in zip( - group[0]['sorted'], g['sorted']): - for (src_loop, dest_loop) in zip( - src_face['face'].loops, dest_face['face'].loops): - loop_lists[dest_loop.index][uv_layer].uv = loop_lists[ - src_loop.index][uv_layer].uv - - # restore face/UV selection - bpy.ops.uv.select_all(action='DESELECT') - bpy.ops.mesh.select_all(action='DESELECT') - for f in selected_faces: - f.select = True - bpy.ops.uv.select_all(action='SELECT') - - bmesh.update_edit_mesh(obj.data) - - return {'FINISHED'} |