diff options
Diffstat (limited to 'uv_magic_uv/impl/flip_rotate_impl.py')
| -rw-r--r-- | uv_magic_uv/impl/flip_rotate_impl.py | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/uv_magic_uv/impl/flip_rotate_impl.py b/uv_magic_uv/impl/flip_rotate_impl.py new file mode 100644 index 00000000..f74bc256 --- /dev/null +++ b/uv_magic_uv/impl/flip_rotate_impl.py @@ -0,0 +1,133 @@ +# <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 |