expre-gen/blender/3.4/scripts/addons/magic_uv/op/clip_uv.py
2025-10-17 09:47:23 +08:00

221 lines
6.9 KiB
Python

# SPDX-License-Identifier: GPL-2.0-or-later
__author__ = "Dusan Stevanovic, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
__version__ = "6.6"
__date__ = "22 Apr 2022"
import math
import bpy
import bmesh
from mathutils import Vector
from bpy.props import BoolProperty, FloatVectorProperty
from .. import common
from ..utils.bl_class_registry import BlClassRegistry
from ..utils.property_class_registry import PropertyClassRegistry
from ..utils import compatibility as compat
def _is_valid_context(context):
# '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
if not common.is_valid_space(context, ['IMAGE_EDITOR', 'VIEW_3D']):
return False
objs = common.get_uv_editable_objects(context)
if not objs:
return False
# only edit mode is allowed to execute
if context.object.mode != 'EDIT':
return False
return True
def round_clip_uv_range(v):
sign = 1 if v >= 0.0 else -1
return int((math.fabs(v) + 0.25) / 0.5) * 0.5 * sign
def get_clip_uv_range_max(self):
return self.get('muv_clip_uv_range_max', (0.5, 0.5))
def set_clip_uv_range_max(self, value):
u = round_clip_uv_range(value[0])
u = 0.5 if u <= 0.5 else u
v = round_clip_uv_range(value[1])
v = 0.5 if v <= 0.5 else v
self['muv_clip_uv_range_max'] = (u, v)
def get_clip_uv_range_min(self):
return self.get('muv_clip_uv_range_min', (-0.5, -0.5))
def set_clip_uv_range_min(self, value):
u = round_clip_uv_range(value[0])
u = -0.5 if u >= -0.5 else u
v = round_clip_uv_range(value[1])
v = -0.5 if v >= -0.5 else v
self['muv_clip_uv_range_min'] = (u, v)
@PropertyClassRegistry()
class _Properties:
idname = "clip_uv"
@classmethod
def init_props(cls, scene):
scene.muv_clip_uv_enabled = BoolProperty(
name="Clip UV Enabled",
description="Clip UV is enabled",
default=False
)
scene.muv_clip_uv_range_max = FloatVectorProperty(
name="Range Max",
description="Max UV coordinates of the range to be clipped",
size=2,
default=(0.5, 0.5),
min=0.5,
step=50,
get=get_clip_uv_range_max,
set=set_clip_uv_range_max,
)
scene.muv_clip_uv_range_min = FloatVectorProperty(
name="Range Min",
description="Min UV coordinates of the range to be clipped",
size=2,
default=(-0.5, -0.5),
max=-0.5,
step=50,
get=get_clip_uv_range_min,
set=set_clip_uv_range_min,
)
# TODO: add option to preserve UV island
@classmethod
def del_props(cls, scene):
del scene.muv_clip_uv_range_max
del scene.muv_clip_uv_range_min
@BlClassRegistry()
@compat.make_annotations
class MUV_OT_ClipUV(bpy.types.Operator):
bl_idname = "uv.muv_clip_uv"
bl_label = "Clip UV"
bl_description = "Clip selected UV in the specified range"
bl_options = {'REGISTER', 'UNDO'}
clip_uv_range_max = FloatVectorProperty(
name="Range Max",
description="Max UV coordinates of the range to be clipped",
size=2,
default=(0.5, 0.5),
min=0.5,
step=50,
)
clip_uv_range_min = FloatVectorProperty(
name="Range Min",
description="Min UV coordinates of the range to be clipped",
size=2,
default=(-0.5, -0.5),
max=-0.5,
step=50,
)
@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, context):
objs = common.get_uv_editable_objects(context)
for obj in objs:
bm = common.create_bmesh(obj)
if not bm.loops.layers.uv:
self.report({'WARNING'},
"Object {} must have more than one UV map"
.format(obj.name))
return {'CANCELLED'}
uv_layer = bm.loops.layers.uv.verify()
for face in bm.faces:
if not face.select:
continue
selected_loops = [
l for l in face.loops
if l[uv_layer].select or
context.scene.tool_settings.use_uv_select_sync
]
if not selected_loops:
continue
# average of UV coordinates on the face
max_uv = Vector((-10000000.0, -10000000.0))
min_uv = Vector((10000000.0, 10000000.0))
for l in selected_loops:
uv = l[uv_layer].uv
max_uv.x = max(max_uv.x, uv.x)
max_uv.y = max(max_uv.y, uv.y)
min_uv.x = min(min_uv.x, uv.x)
min_uv.y = min(min_uv.y, uv.y)
# clip
move_uv = Vector((0.0, 0.0))
clip_size = Vector(self.clip_uv_range_max) - \
Vector(self.clip_uv_range_min)
if max_uv.x > self.clip_uv_range_max[0]:
target_x = math.fmod(max_uv.x - self.clip_uv_range_min[0],
clip_size.x)
if target_x < 0.0:
target_x += clip_size.x
target_x += self.clip_uv_range_min[0]
move_uv.x = target_x - max_uv.x
if min_uv.x < self.clip_uv_range_min[0]:
target_x = math.fmod(min_uv.x - self.clip_uv_range_min[0],
clip_size.x)
if target_x < 0.0:
target_x += clip_size.x
target_x += self.clip_uv_range_min[0]
move_uv.x = target_x - min_uv.x
if max_uv.y > self.clip_uv_range_max[1]:
target_y = math.fmod(max_uv.y - self.clip_uv_range_min[1],
clip_size.y)
if target_y < 0.0:
target_y += clip_size.y
target_y += self.clip_uv_range_min[1]
move_uv.y = target_y - max_uv.y
if min_uv.y < self.clip_uv_range_min[1]:
target_y = math.fmod(min_uv.y - self.clip_uv_range_min[1],
clip_size.y)
if target_y < 0.0:
target_y += clip_size.y
target_y += self.clip_uv_range_min[1]
move_uv.y = target_y - min_uv.y
# update UV
for l in selected_loops:
l[uv_layer].uv = l[uv_layer].uv + move_uv
bmesh.update_edit_mesh(obj.data)
return {'FINISHED'}