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new addon simple_deform_helper #104464

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EMM wants to merge 29 commits from Guai_Wo_Ge_EMM/blender-addons:simple_deform_helper into main
pull from: Guai_Wo_Ge_EMM/blender-addons:simple_deform_helper
merge into: blender:main

When changing the target branch, be careful to rebase the branch in your fork to match. See documentation.
Conversation 7 Commits 29 Files Changed 14 +1027 -1005
12 changed files with 1027 additions and 1005 deletions
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13
simple_deform_helper/__init__.py
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@ -1,5 +1,13 @@
# SPDX-License-Identifier: GPL-2.0-or-later
from . import gizmo, operators, preferences, data, update, translate, panel
from . import (
panel, #
gizmo,
utils,
update,
translate,
operators,
preferences,
)
bl_info = {
"name": "SimpleDeformHelper",
@ -15,6 +23,7 @@ bl_info = {
module_tuple = (
panel,
gizmo,
utils,
update,
translate,
operators,
@ -23,8 +32,6 @@ module_tuple = (
def register():
data.Data.load_gizmo_data()
for item in module_tuple:
item.register()

58
simple_deform_helper/data.py
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@ -1,58 +0,0 @@
# SPDX-License-Identifier: GPL-2.0-or-later
from os.path import dirname, basename, realpath
G_MODIFIERS_PROPERTY = [ # copy modifier data
'angle',
'deform_axis',
'deform_method',
'factor',
'invert_vertex_group',
'limits',
'lock_x',
'lock_y',
'lock_z',
'origin',
'show_expanded',
'show_in_editmode',
'vertex_group',
]
G_INDICES = (
(0, 1), (0, 2), (1, 3), (2, 3),
(4, 5), (4, 6), (5, 7), (6, 7),
(0, 4), (1, 5), (2, 6), (3, 7))
G_NAME = 'ViewSimpleDeformGizmo_' # Temporary use files
G_CON_LIMIT_NAME = G_NAME + 'constraints_limit_rotation' # 约束名称
G_ADDON_NAME = basename(dirname(realpath(__file__))) # "simple_deform_helper"
class Data:
G_GizmoCustomShapeDict = {}
G_SimpleDeformGizmoHandlerDit = {}
@classmethod
def load_gizmo_data(cls) -> None:
import json
import os
json_path = os.path.join(os.path.dirname(__file__), "gizmo.json")
with open(json_path, "r") as file:
cls.G_GizmoCustomShapeDict = json.load(file)
@staticmethod
def from_bmesh_get_triangle_face_co(mesh: 'bpy.types.Mesh') -> list:
"""
:param mesh: 输入一个网格数据
:type mesh: bpy.data.meshes
:return list: 反回顶点列表[[co1,co2,co3],[co1,co2,co3]...]
"""
import bmesh
bm = bmesh.new()
bm.from_mesh(mesh)
bm.faces.ensure_lookup_table()
bm.verts.ensure_lookup_table()
bmesh.ops.triangulate(bm, faces=bm.faces)
co_list = [list(float(format(j, ".4f")) for j in vert.co) for face in bm.faces for vert in face.verts]
bm.free()
return co_list

55
simple_deform_helper/draw.py
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@ -5,23 +5,18 @@ import gpu
from gpu_extras.batch import batch_for_shader
from mathutils import Vector
from .data import G_INDICES, G_MODIFIERS_PROPERTY, G_NAME, Data
from .utils import PublicClass, Utils
from .utils import PublicUtils
class Handler(Data):
class Handler:
@classmethod
def add_handler(cls):
"""向3d视图添加绘制handler
并将其存储下来
"""
if 'handler' not in cls.G_SimpleDeformGizmoHandlerDit:
cls.G_SimpleDeformGizmoHandlerDit['handler'] = bpy.types.SpaceView3D.draw_handler_add(
Draw3D.draw_bound_box, (), 'WINDOW', 'POST_VIEW')
@classmethod
def del_handler_text(cls):
if 'handler_text' in cls.G_SimpleDeformGizmoHandlerDit:
bpy.types.SpaceView3D.draw_handler_remove(
cls.G_SimpleDeformGizmoHandlerDit['handler_text'], 'WINDOW')
@ -30,11 +25,11 @@ class Handler(Data):
@classmethod
def del_handler(cls):
data = bpy.data
if data.meshes.get(G_NAME):
data.meshes.remove(data.meshes.get(G_NAME))
if data.meshes.get(cls.G_NAME):
data.meshes.remove(data.meshes.get(cls.G_NAME))
if data.objects.get(G_NAME):
data.objects.remove(data.objects.get(G_NAME))
if data.objects.get(cls.G_NAME):
data.objects.remove(data.objects.get(cls.G_NAME))
cls.del_handler_text()
@ -44,23 +39,9 @@ class Handler(Data):
cls.G_SimpleDeformGizmoHandlerDit.clear()
class Draw3D(PublicClass, Data):
class Draw3D(PublicUtils):
@classmethod
def draw_3d_shader(cls, pos, indices, color=None, *, shader_name='3D_UNIFORM_COLOR', draw_type='LINES'):
"""
:param draw_type:
:param shader_name:
:param color:
:param indices:
:param pos:
:type pos:list ((0,0,0),(1,1,1))
2D_FLAT_COLOR - 2D_IMAGE - 2D_SMOOTH_COLOR - 2D_UNIFORM_COLOR - 3D_FLAT_COLOR - 3D_SMOOTH_COLOR - 3D_UNIFORM_COLOR - 3D_POLYLINE_FLAT_COLOR - 3D_POLYLINE_SMOOTH_COLOR - 3D_POLYLINE_UNIFORM_COLOR
('POINTS', 'LINES', 'TRIS', 'LINE_STRIP', 'LINE_LOOP','TRI_STRIP',
'TRI_FAN', 'LINES_ADJ', 'TRIS_ADJ', 'LINE_STRIP_ADJ')
`NONE`, `ALWAYS`, `LESS`, `LESS_EQUAL`, `EQUAL`, `GREATER` and `GREATER_EQUAL`
"""
shader = gpu.shader.from_builtin(shader_name)
if draw_type == 'POINTS':
batch = batch_for_shader(shader, draw_type, {'pos': pos})
@ -105,9 +86,9 @@ class Draw3D(PublicClass, Data):
@classmethod
def draw_box(cls, data, mat):
pref = cls.pref_()
coords = Utils.matrix_calculation(mat,
cls.data_to_calculation(data))
cls.draw_3d_shader(coords, G_INDICES, pref.bound_box_color)
coords = PublicUtils.matrix_calculation(mat,
cls.data_to_calculation(data))
cls.draw_3d_shader(coords, cls.G_INDICES, pref.bound_box_color)
@classmethod
def data_to_calculation(cls, data):
@ -130,9 +111,9 @@ class Draw3D(PublicClass, Data):
if 'draw_limits_bound_box' in handler_dit:
# draw limits_bound_box
mat, data = handler_dit['draw_limits_bound_box']
coords = Utils.matrix_calculation(mat, cls.data_to_calculation(data))
coords = PublicUtils.matrix_calculation(mat, cls.data_to_calculation(data))
cls.draw_3d_shader(coords,
G_INDICES,
cls.G_INDICES,
pref.limits_bound_box_color)
@classmethod
@ -156,7 +137,7 @@ class Draw3D(PublicClass, Data):
# draw deform mesh
if 'draw' in handler_dit:
pos, indices, mat, mod_data, limits = handler_dit['draw']
if ([getattr(active, i) for i in G_MODIFIERS_PROPERTY] == mod_data) and (
if ([getattr(active, i) for i in cls.G_MODIFIERS_PROPERTY] == mod_data) and (
ob.matrix_world == mat) and limits == active.limits[:]:
cls.draw_3d_shader(
pos, indices, pref.deform_wireframe_color)
@ -174,14 +155,14 @@ class Draw3D(PublicClass, Data):
modifier = context.object.modifiers.active # 活动修改器
pref = cls.pref_()
simple_poll = Utils.simple_deform_poll(context)
simple_poll = PublicUtils.simple_deform_public_poll(context)
bend = modifier and (modifier.deform_method == 'BEND')
display_switch_axis = not pref.display_bend_axis_switch_gizmo
cls.draw_scale_text(obj)
Utils.update_co_data(obj, modifier)
PublicUtils.update_co_data(obj, modifier)
co_data = Utils.generate_co_data()
co_data = PublicUtils.generate_co_data()
if simple_poll and ((not bend) or display_switch_axis):
# draw bound box
@ -191,7 +172,7 @@ class Draw3D(PublicClass, Data):
cls.draw_limits_bound_box()
elif simple_poll and (bend and not display_switch_axis):
cls.draw_box(co_data, matrix)
Utils.new_empty(obj, modifier)
PublicUtils.new_empty(obj, modifier)
@classmethod
def draw_bound_box(cls):
@ -202,7 +183,7 @@ class Draw3D(PublicClass, Data):
gpu.state.depth_test_set('ALWAYS')
context = bpy.context
if Utils.simple_deform_poll(context):
if PublicUtils.simple_deform_public_poll(context):
cls.is_draw_box(context)
else:
Handler.del_handler()

620
simple_deform_helper/gizmo.py
View File

@ -1,620 +0,0 @@
# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import math
from bpy_extras import view3d_utils
from mathutils import Vector, Euler
from bpy.types import (
Gizmo,
GizmoGroup,
)
from .draw import Handler
from .utils import Utils, PublicClass
from .data import Data
class CustomGizmo(Gizmo, Utils, Handler, Data):
"""绘制自定义Gizmo"""
bl_idname = '_Custom_Gizmo'
def setup(self):
self.draw_type = 'None_GizmoGroup_'
if not hasattr(self, 'custom_shape'):
self.custom_shape = {}
for i in self.G_GizmoCustomShapeDict:
self.custom_shape[i] = self.new_custom_shape(
'TRIS', self.G_GizmoCustomShapeDict[i])
self.add_handler()
def draw(self, context):
self.draw_custom_shape(self.custom_shape[self.draw_type])
def draw_select(self, context, select_id):
self.draw_custom_shape(
self.custom_shape[self.draw_type], select_id=select_id)
def invoke(self, context, event):
return {'RUNNING_MODAL'}
def modal(self, context, event, tweak):
self.add_handler()
self.update_bound_box(context.object)
self.update_empty_matrix()
return {'RUNNING_MODAL'}
class ViewSimpleDeformGizmo(Gizmo, Utils, Handler, Data, PublicClass):
"""显示轴向切换拖动点Gizmo(两个点)
"""
bl_idname = 'ViewSimpleDeformGizmo'
bl_target_properties = (
{'id': 'up_limits', 'type': 'FLOAT', 'array_length': 1},
{'id': 'down_limits', 'type': 'FLOAT', 'array_length': 1},
{'id': 'angle', 'type': 'FLOAT', 'array_length': 1},
)
__slots__ = (
'mod',
'up',
'down',
'up_',
'down_',
'draw_type',
'mouse_dpi',
'ctrl_mode',
'empty_object',
'init_mouse_y',
'init_mouse_x',
'custom_shape',
'int_value_angle',
'value_deform_axis',
'int_value_up_limits',
'int_value_down_limits',
'rotate_follow_modifier',
)
def update_gizmo_rotate(self, axis, mod):
if self.rotate_follow_modifier:
rot = Euler()
if axis == 'X' and (not self.is_positive(mod.angle)):
rot.z = math.pi
elif axis == 'Y':
if self.is_positive(mod.angle):
rot.z = -(math.pi / 2)
else:
rot.z = math.pi / 2
elif axis == 'Z':
if self.is_positive(mod.angle):
rot.x = rot.z = rot.y = math.pi / 2
else:
rot.z = rot.y = math.pi / 2
rot.x = -(math.pi / 2)
rot = rot.to_matrix()
self.matrix_basis = self.matrix_basis @ rot.to_4x4()
def update_draw_limits_bound_box(self, data, mod, axis, mat, up_, down_):
top, bottom, left, right, front, back = data
if mod.origin:
vector_axis = self.get_vector_axis(mod)
origin_mat = mod.origin.matrix_world.to_3x3()
axis_ = origin_mat @ vector_axis
point_lit = [[top, bottom], [left, right], [front, back]]
for f in range(point_lit.__len__()):
i = point_lit[f][0]
j = point_lit[f][1]
angle = self.point_to_angle(i, j, f, axis_)
if abs(angle - 180) < 0.00001:
point_lit[f][1], point_lit[f][0] = up_, down_
elif abs(angle) < 0.00001:
point_lit[f][0], point_lit[f][1] = up_, down_
[[top, bottom], [left, right], [front, back]] = point_lit
else:
top, bottom, left, right, front, back = self.get_up_down_return_list(
mod, axis, up_, down_, data)
data = top, bottom, left, right, front, back
(top, bottom, left, right, front,
back) = self.matrix_calculation(mat.inverted(), data)
self.G_SimpleDeformGizmoHandlerDit['draw_limits_bound_box'] = (
mat, ((right[0], back[1], top[2]), (left[0], front[1], bottom[2],)))
def update_matrix_basis_translation(self, co, mat, up_, down_):
if 'angle' == self.ctrl_mode:
self.matrix_basis.translation = mat @ Vector((co[1]))
elif 'up_limits' == self.ctrl_mode:
self.matrix_basis.translation = up_
elif 'down_limits' == self.ctrl_mode:
self.matrix_basis.translation = down_
def update_gizmo_matrix(self, context):
ob = context.object
mat = ob.matrix_world
mod = context.object.modifiers.active
axis = mod.deform_axis
if mod.origin:
self.matrix_basis = mod.origin.matrix_world.normalized()
else:
self.matrix_basis = ob.matrix_world.normalized()
co = self.generate_co_data()
self.update_gizmo_rotate(axis, mod)
# calculation limits position
top, bottom, left, right, front, back = self.each_face_pos(mat)
(up, down), (up_, down_) = self.get_limits_pos(
mod, (top, bottom, left, right, front, back))
self.update_matrix_basis_translation(co, mat, up_, down_)
self.up = up
self.down = down
self.up_ = up_
self.down_ = down_
self.G_SimpleDeformGizmoHandlerDit['draw_line'] = (
(up, down), (up_, down_))
data = top, bottom, left, right, front, back
self.update_draw_limits_bound_box(data, mod, axis, mat, up_, down_)
def setup(self):
self.generate_co_data()
self.draw_type = 'None_GizmoGroup_'
self.ctrl_mode = 'angle' # up_limits , down_limits
self.mouse_dpi = 10
self.rotate_follow_modifier = True
if not hasattr(self, 'custom_shape'):
self.custom_shape = {}
for i in self.G_GizmoCustomShapeDict:
item = self.G_GizmoCustomShapeDict[i]
self.custom_shape[i] = self.new_custom_shape('TRIS', item)
self.add_handler()
def draw(self, context):
self.add_handler()
self.update_gizmo_matrix(context)
self.draw_custom_shape(self.custom_shape[self.draw_type])
def draw_select(self, context, select_id):
self.update_gizmo_matrix(context)
self.draw_custom_shape(
self.custom_shape[self.draw_type], select_id=select_id)
def invoke(self, context, event):
self.init_mouse_y = event.mouse_y
self.init_mouse_x = event.mouse_x
mod = context.object.modifiers.active
limits = mod.limits
up_limits = limits[1]
down_limits = limits[0]
if 'angle' == self.ctrl_mode:
self.int_value_angle = self.target_get_value('angle')
elif 'up_limits' == self.ctrl_mode:
self.int_value_up_limits = up_limits
self.target_set_value('up_limits', self.int_value_up_limits)
elif 'down_limits' == self.ctrl_mode:
self.int_value_down_limits = down_limits
self.target_set_value('down_limits', self.int_value_down_limits)
return {'RUNNING_MODAL'}
def exit(self, context, cancel):
context.area.header_text_set(None)
if cancel:
if 'angle' == self.ctrl_mode:
self.target_set_value('angle', self.int_value_angle)
elif 'deform_axis' == self.ctrl_mode:
self.target_set_value('deform_axis', self.value_deform_axis)
elif 'up_limits' == self.ctrl_mode:
self.target_set_value('up_limits', self.int_value_up_limits)
elif 'down_limits' == self.ctrl_mode:
self.target_set_value(
'down_limits', self.int_value_down_limits)
def delta_update(self, context, event, delta):
if ('draw_line' in self.G_SimpleDeformGizmoHandlerDit) and (self.ctrl_mode in ('up_limits', 'down_limits')):
x, y = view3d_utils.location_3d_to_region_2d(
context.region, context.space_data.region_3d, self.up)
x2, y2 = view3d_utils.location_3d_to_region_2d(
context.region, context.space_data.region_3d, self.down)
mouse_line_distance = math.sqrt(((event.mouse_region_x - x2) ** 2) +
((event.mouse_region_y - y2) ** 2))
straight_line_distance = math.sqrt(((x2 - x) ** 2) +
((y2 - y) ** 2))
delta = mouse_line_distance / \
straight_line_distance + 0
v_up = Vector((x, y))
v_down = Vector((x2, y2))
limits_angle = v_up - v_down
mouse_v = Vector((event.mouse_region_x, event.mouse_region_y))
mouse_angle = mouse_v - v_down
angle_ = mouse_angle.angle(limits_angle)
if angle_ > (math.pi / 2):
delta = 0
return delta
def set_down_value(self, data, mu):
up_limits, down_limits, delta, middle, min_value, max_value, limit_scope, difference_value, event, origin_mode = data
value = self.value_limit(delta, max_value=mu -
limit_scope if middle else max_value)
self.target_set_value('down_limits', value)
if event.ctrl:
self.target_set_value(
'up_limits', value + difference_value)
elif middle:
if origin_mode == 'LIMITS_MIDDLE':
self.target_set_value('up_limits', mu - (value - mu))
elif origin_mode == 'MIDDLE':
self.target_set_value('up_limits', 1 - value)
else:
self.target_set_value('up_limits', up_limits)
else:
self.target_set_value('up_limits', up_limits)
def set_up_value(self, data, mu):
up_limits, down_limits, delta, middle, min_value, max_value, limit_scope, difference_value, event, origin_mode = data
value = self.value_limit(delta, min_value=mu +
limit_scope if middle else min_value)
self.target_set_value('up_limits', value)
if event.ctrl:
self.target_set_value(
'down_limits', value - difference_value)
elif middle:
if origin_mode == 'LIMITS_MIDDLE':
self.target_set_value('down_limits', mu - (value - mu))
elif origin_mode == 'MIDDLE':
self.target_set_value('down_limits', 1 - value)
else:
self.target_set_value('down_limits', down_limits)
else:
self.target_set_value('down_limits', down_limits)
def set_prop_value(self, data):
up_limits, down_limits, delta, middle, min_value, max_value, limit_scope, difference_value, event, origin_mode = data
mu = (up_limits + down_limits) / 2
if 'angle' == self.ctrl_mode:
value = self.int_value_angle - delta
self.target_set_value('angle', value)
elif 'up_limits' == self.ctrl_mode:
self.set_up_value(data, mu)
elif 'down_limits' == self.ctrl_mode:
self.set_down_value(data, mu)
def update_header_text(self, context, mod, origin, up_limits, down_limits):
t = lambda a: bpy.app.translations.pgettext(a)
if (mod.deform_method in ('TWIST', 'BEND')) and (self.ctrl_mode in ('angle',)):
text = t("Angle") + ':{}'.format(math.degrees(mod.angle))
elif 'up_limits' == self.ctrl_mode:
text = t("Upper limit") + ':{}'.format(up_limits)
elif 'down_limits' == self.ctrl_mode:
text = t("Down limit") + ':{}'.format(down_limits)
else:
text = t("Coefficient") + ':{}'.format(mod.factor)
text += ' '
text += t(origin.bl_rna.properties[
'origin_mode'].enum_items[origin.origin_mode].name)
context.area.header_text_set(text)
def event_ops(self, event, ob, origin):
"""通过输入键位来更改属性"""
# event ctrl
data_path = ('object.SimpleDeformGizmo_PropertyGroup.origin_mode',
'object.modifiers.active.origin.SimpleDeformGizmo_PropertyGroup.origin_mode')
if event.type in ('WHEELUPMOUSE', 'WHEELDOWNMOUSE'):
reverse = (event.type == 'WHEELUPMOUSE')
for path in data_path:
bpy.ops.wm.context_cycle_enum(
data_path=path, reverse=reverse, wrap=True)
elif event.type in ('X', 'Y', 'Z'):
ob.modifiers.active.deform_axis = event.type
elif event.type == 'A':
self.pref.display_bend_axis_switch_gizmo = True
return {'FINISHED'}
self.add_handler()
return {'RUNNING_MODAL'}
def modal(self, context, event, tweak):
self.update_bound_box(context.object)
delta = (self.init_mouse_x - event.mouse_x) / self.mouse_dpi
ob = context.object
mod = ob.modifiers.active
limits = mod.limits
up_limits = limits[1]
down_limits = limits[0]
origin = self.get_origin_property_group(mod, ob)
origin_mode = origin.origin_mode
middle = origin_mode in ('LIMITS_MIDDLE', 'MIDDLE')
limit_scope = self.pref.modifiers_limits_tolerance
max_value = up_limits - limit_scope
min_value = down_limits + limit_scope
difference_value = up_limits - down_limits
if 'SNAP' in tweak:
delta = round(delta)
if 'PRECISE' in tweak:
delta /= self.mouse_dpi
delta = self.delta_update(context, event, delta)
if origin_mode != 'NOT' and ('draw_line' in self.G_SimpleDeformGizmoHandlerDit):
self.empty_object, _ = self.new_empty(ob, mod)
self.G_SimpleDeformGizmoHandlerDit['empty_object'] = self.empty_object
data = up_limits, down_limits, delta, middle, min_value, max_value, limit_scope, difference_value, event, origin_mode
self.set_prop_value(data)
self.update_gizmo_matrix(context)
self.update_empty_matrix()
self.update_bound_box(context.object)
self.update_header_text(context, mod, origin, up_limits, down_limits)
self.add_handler()
return self.event_ops(event, ob, origin)
class SimpleDeformGizmoGroup(GizmoGroup, Utils, Handler, PublicClass, Data):
"""显示Gizmo
"""
bl_idname = 'OBJECT_GGT_SimpleDeformGizmoGroup'
bl_label = 'SimpleDeformGizmoGroup'
bl_space_type = 'VIEW_3D'
bl_region_type = 'WINDOW'
bl_options = {'3D', 'PERSISTENT', }
@classmethod
def poll(cls, context):
pol = cls.simple_deform_poll(context)
pref = cls.pref_()
deform_method = (
pol and (context.object.modifiers.active.deform_method != 'BEND'))
display_gizmo = pref.display_bend_axis_switch_gizmo
switch = (not display_gizmo)
return pol and (deform_method or switch)
def generate_gizmo_mode(self, gizmo_data):
"""生成gizmo的上限下限及角度设置
Args:
gizmo_data (_type_): _description_
"""
for i, j, k in gizmo_data:
setattr(self, i, self.gizmos.new(j))
gizmo = getattr(self, i)
for f in k:
if f == 'target_set_operator':
gizmo.target_set_operator(k[f])
elif f == 'target_set_prop':
gizmo.target_set_prop(*k[f])
else:
setattr(gizmo, f, k[f])
def setup(self, context):
sd_name = ViewSimpleDeformGizmo.bl_idname
add_data = (('up_limits',
sd_name,
{'ctrl_mode': 'up_limits',
'draw_type': 'Sphere_GizmoGroup_',
'mouse_dpi': 1000,
'color': (1.0, 0, 0),
'alpha': 0.5,
'color_highlight': (1.0, 1.0, 1.0),
'alpha_highlight': 0.3,
'use_draw_modal': True,
'scale_basis': 0.1,
'use_draw_value': True, }),
('down_limits',
sd_name,
{'ctrl_mode': 'down_limits',
'draw_type': 'Sphere_GizmoGroup_',
'mouse_dpi': 1000,
'color': (0, 1.0, 0),
'alpha': 0.5,
'color_highlight': (1.0, 1.0, 1.0),
'alpha_highlight': 0.3,
'use_draw_modal': True,
'scale_basis': 0.1,
'use_draw_value': True, }),
('angle',
sd_name,
{'ctrl_mode': 'angle',
'draw_type': 'SimpleDeform_GizmoGroup_',
'color': (1.0, 0.5, 1.0),
'alpha': 0.3,
'color_highlight': (1.0, 1.0, 1.0),
'alpha_highlight': 0.3,
'use_draw_modal': True,
'scale_basis': 0.1,
'use_draw_value': True,
'mouse_dpi': 100,
}),
)
self.generate_gizmo_mode(add_data)
data_path = 'object.modifiers.active.deform_axis'
set_enum = 'wm.context_set_enum'
for axis in ('X', 'Y', 'Z'):
# show toggle axis button
gizmo = self.gizmos.new('GIZMO_GT_button_2d')
gizmo.icon = f'EVENT_{axis.upper()}'
gizmo.draw_options = {'BACKDROP', 'HELPLINE'}
ops = gizmo.target_set_operator(set_enum)
ops.data_path = data_path
ops.value = axis
gizmo.color = (0, 0, 0)
gizmo.alpha = 0.3
gizmo.color_highlight = 1.0, 1.0, 1.0
gizmo.alpha_highlight = 0.3
gizmo.use_draw_modal = True
gizmo.use_draw_value = True
gizmo.scale_basis = 0.1
setattr(self, f'deform_axis_{axis.lower()}', gizmo)
self.add_handler()
def refresh(self, context):
pro = context.object.SimpleDeformGizmo_PropertyGroup
self.angle.target_set_prop('angle',
context.object.modifiers.active,
'angle')
self.down_limits.target_set_prop('down_limits',
pro,
'down_limits')
self.down_limits.target_set_prop('up_limits',
pro,
'up_limits')
self.up_limits.target_set_prop('down_limits',
pro,
'down_limits')
self.up_limits.target_set_prop('up_limits',
pro,
'up_limits')
self.add_handler()
def draw_prepare(self, context):
ob = context.object
mat = ob.matrix_world
if 'co' in self.G_SimpleDeformGizmoHandlerDit:
def _mat(f):
co = self.G_SimpleDeformGizmoHandlerDit['co'][0]
co = (co[0] + (max(ob.dimensions) * f), co[1],
co[2] - (min(ob.dimensions) * 0.3))
return mat @ Vector(co)
self.deform_axis_x.matrix_basis.translation = _mat(0)
self.deform_axis_y.matrix_basis.translation = _mat(0.3)
self.deform_axis_z.matrix_basis.translation = _mat(0.6)
self.add_handler()
def invoke_prepare(self, context, gizmo):
self.add_handler()
class SimpleDeformGizmoGroupDisplayBendAxiSwitchGizmo(GizmoGroup, Utils, Handler, PublicClass):
"""绘制切换变型轴的
变换方向
"""
bl_idname = 'OBJECT_GGT_SimpleDeformGizmoGroup_display_bend_axis_switch_gizmo'
bl_label = 'SimpleDeformGizmoGroup_display_bend_axis_switch_gizmo'
bl_space_type = 'VIEW_3D'
bl_region_type = 'WINDOW'
bl_options = {
'3D',
'PERSISTENT',
}
@classmethod
def poll(cls, context):
pref = cls.pref_()
simple = cls.simple_deform_poll(context)
bend = simple and (
context.object.modifiers.active.deform_method == 'BEND')
switch_axis = (pref.display_bend_axis_switch_gizmo == True)
return switch_axis and bend
def setup(self, context):
_draw_type = 'SimpleDeform_Bend_Direction_'
_color_a = 1, 0, 0
_color_b = 0, 1, 0
self.add_handler()
for na, axis, rot, positive in (
('top_a', 'X', (math.radians(90), 0, math.radians(90)), True),
('top_b', 'X', (math.radians(90), 0, 0), True),
('bottom_a', 'X', (math.radians(90), 0, math.radians(90)), False),
('bottom_b', 'X', (math.radians(90), 0, 0), False),
('left_a', 'Y', (math.radians(90), 0, 0), False),
('left_b', 'Y', (0, 0, 0), False),
('right_a', 'Y', (math.radians(90), 0, 0), True),
('right_b', 'Y', (0, 0, 0), True),
('front_a', 'Z', (0, 0, 0), False),
('front_b', 'X', (0, 0, 0), False),
('back_a', 'Z', (0, 0, 0), True),
('back_b', 'X', (0, 0, 0), True),):
_a = (na.split('_')[1] == 'a')
setattr(self, na, self.gizmos.new(CustomGizmo.bl_idname))
gizmo = getattr(self, na)
gizmo.mode = na
gizmo.draw_type = _draw_type
gizmo.color = _color_a if _a else _color_b
gizmo.alpha = 0.3
gizmo.color_highlight = 1.0, 1.0, 1.0
gizmo.alpha_highlight = 1
gizmo.use_draw_modal = True
gizmo.scale_basis = 0.2
gizmo.use_draw_value = True
ops = gizmo.target_set_operator(
'simple_deform_gizmo.deform_axis')
ops.Deform_Axis = axis
ops.X_Value = rot[0]
ops.Y_Value = rot[1]
ops.Z_Value = rot[2]
ops.Is_Positive = positive
def draw_prepare(self, context):
ob = context.object
mat = ob.matrix_world
top, bottom, left, right, front, back = self.each_face_pos(mat)
rad = math.radians
for_list = (
('top_a', top, (0, 0, 0),),
('top_b', top, (0, 0, rad(90)),),
('bottom_a', bottom, (0, rad(180), 0),),
('bottom_b', bottom, (0, rad(180), rad(90)),),
('left_a', left, (rad(-90), 0, rad(90)),),
('left_b', left, (0, rad(-90), 0),),
('right_a', right, (rad(90), 0, rad(90)),),
('right_b', right, (0, rad(90), 0),),
('front_a', front, (rad(90), 0, 0),),
('front_b', front, (rad(90), rad(90), 0),),
('back_a', back, (rad(-90), 0, 0),),
('back_b', back, (rad(-90), rad(-90), 0),),
)
for i, j, w, in for_list:
gizmo = getattr(self, i, False)
rot = Euler(w, 'XYZ').to_matrix().to_4x4()
gizmo.matrix_basis = mat.to_euler().to_matrix().to_4x4() @ rot
gizmo.matrix_basis.translation = Vector(j)
class_list = (
CustomGizmo,
ViewSimpleDeformGizmo,
SimpleDeformGizmoGroup,
SimpleDeformGizmoGroupDisplayBendAxiSwitchGizmo,
)
register_class, unregister_class = bpy.utils.register_classes_factory(class_list)
def register():
register_class()
def unregister():
Handler.del_handler()
unregister_class()

96
simple_deform_helper/gizmo/__init__.py Normal file
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import bpy
from bpy_types import Gizmo
from draw import Handler
from utils import PublicUtils
class GizmoProperty:
@property
def obj(self):
return bpy.context.object
@property
def modifier(self):
obj = self.obj
if not obj:
return
return obj.modifiers.active
@property
def active_modifier_is_simple_deform(self):
return self.modifier and self.modifier.type == 'SIMPLE_DEFORM'
@property
def is_use_angle_value(self):
if self.active_modifier_is_simple_deform:
return self.modifier.deform_method in ('TWIST', 'BEND')
class GizmoPublic(GizmoProperty, PublicUtils, Handler):
def generate_gizmo_mode(self, gizmo_data):
"""生成gizmo的上限下限及角度设置
Args:
gizmo_data (_type_): _description_
"""
for i, j, k in gizmo_data:
setattr(self, i, self.gizmos.new(j))
gizmo = getattr(self, i)
for f in k:
if f == 'target_set_operator':
gizmo.target_set_operator(k[f])
elif f == 'target_set_prop':
gizmo.target_set_prop(*k[f])
else:
setattr(gizmo, f, k[f])
class CustomGizmo(Gizmo, PublicUtils, Handler):
"""绘制自定义Gizmo"""
bl_idname = '_Custom_Gizmo'
draw_type: str
custom_shape: dict
def setup(self):
self.draw_type = 'None_GizmoGroup_'
if not hasattr(self, 'custom_shape'):
self.custom_shape = {}
for i in self.G_GizmoCustomShapeDict:
self.custom_shape[i] = self.new_custom_shape(
'TRIS', self.G_GizmoCustomShapeDict[i])
self.add_handler()
def draw(self, context):
self.draw_custom_shape(self.custom_shape[self.draw_type])
def draw_select(self, context, select_id):
self.draw_custom_shape(
self.custom_shape[self.draw_type], select_id=select_id)
def invoke(self, context, event):
return {'RUNNING_MODAL'}
def modal(self, context, event, tweak):
self.add_handler()
self.update_bound_box(context.object)
self.update_empty_matrix()
return {'RUNNING_MODAL'}
class_list = (
ViewSimpleDeformGizmo,
SimpleDeformGizmoGroup,
)
register_class, unregister_class = bpy.utils.register_classes_factory(class_list)
def register():
register_class()
def unregister():
Handler.del_handler()
unregister_class()

107
simple_deform_helper/gizmo/bend_axis.py Normal file
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import math
from bpy.types import GizmoGroup
from mathutils import Euler, Vector
from ..draw import Handler
from ..utils import PublicUtils
class SimpleDeformGizmoGroupDisplayBendAxiSwitchGizmo(GizmoGroup, PublicUtils, Handler):
"""绘制切换变型轴的
变换方向
"""
bl_idname = 'OBJECT_GGT_SimpleDeformGizmoGroup_display_bend_axis_switch_gizmo'
bl_label = 'SimpleDeformGizmoGroup_display_bend_axis_switch_gizmo'
bl_space_type = 'VIEW_3D'
bl_region_type = 'WINDOW'
bl_options = {
'3D',
'PERSISTENT',
}
@classmethod
def poll(cls, context):
pref = cls.pref_()
simple = cls.simple_deform_public_poll(context)
bend = simple and (
context.object.modifiers.active.deform_method == 'BEND')
switch_axis = pref.display_bend_axis_switch_gizmo
return switch_axis and bend
def setup(self, context):
_draw_type = 'SimpleDeform_Bend_Direction_'
_color_a = 1, 0, 0
_color_b = 0, 1, 0
self.add_handler()
for na, axis, rot, positive in (
('top_a', 'X', (math.radians(90), 0, math.radians(90)), True),
('top_b', 'X', (math.radians(90), 0, 0), True),
('bottom_a', 'X', (math.radians(90), 0, math.radians(90)), False),
('bottom_b', 'X', (math.radians(90), 0, 0), False),
('left_a', 'Y', (math.radians(90), 0, 0), False),
('left_b', 'Y', (0, 0, 0), False),
('right_a', 'Y', (math.radians(90), 0, 0), True),
('right_b', 'Y', (0, 0, 0), True),
('front_a', 'Z', (0, 0, 0), False),
('front_b', 'X', (0, 0, 0), False),
('back_a', 'Z', (0, 0, 0), True),
('back_b', 'X', (0, 0, 0), True),):
_a = (na.split('_')[1] == 'a')
setattr(self, na, self.gizmos.new(CustomGizmo.bl_idname))
gizmo = getattr(self, na)
gizmo.mode = na
gizmo.draw_type = _draw_type
gizmo.color = _color_a if _a else _color_b
gizmo.alpha = 0.3
gizmo.color_highlight = 1.0, 1.0, 1.0
gizmo.alpha_highlight = 1
gizmo.use_draw_modal = True
gizmo.scale_basis = 0.2
gizmo.use_draw_value = True
ops = gizmo.target_set_operator(
'simple_deform_gizmo.deform_axis')
ops.Deform_Axis = axis
ops.X_Value = rot[0]
ops.Y_Value = rot[1]
ops.Z_Value = rot[2]
ops.Is_Positive = positive
def draw_prepare(self, context):
ob = context.object
mat = ob.matrix_world
top, bottom, left, right, front, back = self.each_face_pos(mat)
rad = math.radians
for_list = (
('top_a', top, (0, 0, 0),),
('top_b', top, (0, 0, rad(90)),),
('bottom_a', bottom, (0, rad(180), 0),),
('bottom_b', bottom, (0, rad(180), rad(90)),),
('left_a', left, (rad(-90), 0, rad(90)),),
('left_b', left, (0, rad(-90), 0),),
('right_a', right, (rad(90), 0, rad(90)),),
('right_b', right, (0, rad(90), 0),),
('front_a', front, (rad(90), 0, 0),),
('front_b', front, (rad(90), rad(90), 0),),
('back_a', back, (rad(-90), 0, 0),),
('back_b', back, (rad(-90), rad(-90), 0),),
)
for i, j, w, in for_list:
gizmo = getattr(self, i, False)
rot = Euler(w, 'XYZ').to_matrix().to_4x4()
gizmo.matrix_basis = mat.to_euler().to_matrix().to_4x4() @ rot
gizmo.matrix_basis.translation = Vector(j)

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simple_deform_helper/gizmo/ctrl_tow_point.py Normal file
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import bpy
class GizmoProperty(Gizmo, PublicUtils, Handler):
@property
def is_angle_mode(self):
return self.ctrl_mode == 'angle'
@property
def is_up_limits_mode(self):
return self.ctrl_mode == 'up_limits'
@property
def is_down_limits_mode(self):
return self.ctrl_mode == 'down_limits'
class ViewSimpleDeformGizmo(GizmoProperty):
"""显示轴向切换拖动点Gizmo(两个点)
"""
bl_idname = 'ViewSimpleDeformGizmo'
bl_target_properties = (
{'id': 'up_limits', 'type': 'FLOAT', 'array_length': 1},
{'id': 'down_limits', 'type': 'FLOAT', 'array_length': 1},
{'id': 'angle', 'type': 'FLOAT', 'array_length': 1},
)
__slots__ = (
'mod',
'up',
'down',
'up_',
'down_',
'draw_type',
'mouse_dpi',
'ctrl_mode',
'empty_object',
'init_mouse_y',
'init_mouse_x',
'custom_shape',
'int_value_angle',
'value_deform_axis',
'int_value_up_limits',
'int_value_down_limits',
'rotate_follow_modifier',
)
def update_gizmo_rotate(self, axis, mod):
if self.rotate_follow_modifier:
rot = Euler()
if axis == 'X' and (not self.is_positive(mod.angle)):
rot.z = math.pi
elif axis == 'Y':
if self.is_positive(mod.angle):
rot.z = -(math.pi / 2)
else:
rot.z = math.pi / 2
elif axis == 'Z':
if self.is_positive(mod.angle):
rot.x = rot.z = rot.y = math.pi / 2
else:
rot.z = rot.y = math.pi / 2
rot.x = -(math.pi / 2)
rot = rot.to_matrix()
self.matrix_basis = self.matrix_basis @ rot.to_4x4()
def update_draw_limits_bound_box(self, data, mod, axis, mat, up_, down_):
top, bottom, left, right, front, back = data
if mod.origin:
vector_axis = self.get_vector_axis(mod)
origin_mat = mod.origin.matrix_world.to_3x3()
axis_ = origin_mat @ vector_axis
point_lit = [[top, bottom], [left, right], [front, back]]
for f in range(point_lit.__len__()):
i = point_lit[f][0]
j = point_lit[f][1]
angle = self.point_to_angle(i, j, f, axis_)
if abs(angle - 180) < 0.00001:
point_lit[f][1], point_lit[f][0] = up_, down_
elif abs(angle) < 0.00001:
point_lit[f][0], point_lit[f][1] = up_, down_
[[top, bottom], [left, right], [front, back]] = point_lit
else:
top, bottom, left, right, front, back = self.get_up_down_return_list(
mod, axis, up_, down_, data)
data = top, bottom, left, right, front, back
(top, bottom, left, right, front,
back) = self.matrix_calculation(mat.inverted(), data)
self.G_SimpleDeformGizmoHandlerDit['draw_limits_bound_box'] = (
mat, ((right[0], back[1], top[2]), (left[0], front[1], bottom[2],)))
def update_matrix_basis_translation(self, co, mat, up_, down_):
if self.is_angle_mode:
self.matrix_basis.translation = mat @ Vector((co[1]))
elif self.is_up_limits_mode:
self.matrix_basis.translation = up_
elif self.is_down_limits_mode:
self.matrix_basis.translation = down_
def update_gizmo_matrix(self, context):
ob = context.object
mat = ob.matrix_world
mod = context.object.modifiers.active
axis = mod.deform_axis
if mod.origin:
self.matrix_basis = mod.origin.matrix_world.normalized()
else:
self.matrix_basis = ob.matrix_world.normalized()
co = self.generate_co_data()
self.update_gizmo_rotate(axis, mod)
# calculation limits position
top, bottom, left, right, front, back = self.each_face_pos(mat)
(up, down), (up_, down_) = self.get_limits_pos(
mod, (top, bottom, left, right, front, back))
self.update_matrix_basis_translation(co, mat, up_, down_)
self.up = up
self.down = down
self.up_ = up_
self.down_ = down_
self.G_SimpleDeformGizmoHandlerDit['draw_line'] = (
(up, down), (up_, down_))
data = top, bottom, left, right, front, back
self.update_draw_limits_bound_box(data, mod, axis, mat, up_, down_)
def setup(self):
self.generate_co_data()
self.draw_type = 'None_GizmoGroup_'
self.ctrl_mode = 'angle' # up_limits , down_limits
self.mouse_dpi = 10
self.rotate_follow_modifier = True
if not hasattr(self, 'custom_shape'):
self.custom_shape = {}
for i in self.G_GizmoCustomShapeDict:
item = self.G_GizmoCustomShapeDict[i]
self.custom_shape[i] = self.new_custom_shape('TRIS', item)
self.add_handler()
def draw(self, context):
self.add_handler()
self.update_gizmo_matrix(context)
self.draw_custom_shape(self.custom_shape[self.draw_type])
def draw_select(self, context, select_id):
self.update_gizmo_matrix(context)
self.draw_custom_shape(
self.custom_shape[self.draw_type], select_id=select_id)
def invoke(self, context, event):
self.init_mouse_y = event.mouse_y
self.init_mouse_x = event.mouse_x
mod = context.object.modifiers.active
limits = mod.limits
up_limits = limits[1]
down_limits = limits[0]
if 'angle' == self.ctrl_mode:
self.int_value_angle = self.target_get_value('angle')
elif 'up_limits' == self.ctrl_mode:
self.int_value_up_limits = up_limits
self.target_set_value('up_limits', self.int_value_up_limits)
elif 'down_limits' == self.ctrl_mode:
self.int_value_down_limits = down_limits
self.target_set_value('down_limits', self.int_value_down_limits)
return {'RUNNING_MODAL'}
def exit(self, context, cancel):
context.area.header_text_set(None)
if cancel:
if 'angle' == self.ctrl_mode:
self.target_set_value('angle', self.int_value_angle)
elif 'deform_axis' == self.ctrl_mode:
self.target_set_value('deform_axis', self.value_deform_axis)
elif 'up_limits' == self.ctrl_mode:
self.target_set_value('up_limits', self.int_value_up_limits)
elif 'down_limits' == self.ctrl_mode:
self.target_set_value(
'down_limits', self.int_value_down_limits)
def delta_update(self, context, event, delta):
if ('draw_line' in self.G_SimpleDeformGizmoHandlerDit) and (self.ctrl_mode in ('up_limits', 'down_limits')):
x, y = view3d_utils.location_3d_to_region_2d(
context.region, context.space_data.region_3d, self.up)
x2, y2 = view3d_utils.location_3d_to_region_2d(
context.region, context.space_data.region_3d, self.down)
mouse_line_distance = math.sqrt(((event.mouse_region_x - x2) ** 2) +
((event.mouse_region_y - y2) ** 2))
straight_line_distance = math.sqrt(((x2 - x) ** 2) +
((y2 - y) ** 2))
delta = mouse_line_distance / straight_line_distance + 0
v_up = Vector((x, y))
v_down = Vector((x2, y2))
limits_angle = v_up - v_down
mouse_v = Vector((event.mouse_region_x, event.mouse_region_y))
mouse_angle = mouse_v - v_down
angle_ = mouse_angle.angle(limits_angle)
if angle_ > (math.pi / 2):
delta = 0
return delta
def set_down_value(self, data, mu):
up_limits, down_limits, delta, middle, min_value, max_value, limit_scope, difference_value, event, origin_mode = data
value = self.value_limit(delta, max_value=mu - limit_scope if middle else max_value)
self.target_set_value('down_limits', value)
if event.ctrl:
self.target_set_value(
'up_limits', value + difference_value)
elif middle:
if origin_mode == 'LIMITS_MIDDLE':
self.target_set_value('up_limits', mu - (value - mu))
elif origin_mode == 'MIDDLE':
self.target_set_value('up_limits', 1 - value)
else:
self.target_set_value('up_limits', up_limits)
else:
self.target_set_value('up_limits', up_limits)
def set_up_value(self, data, mu):
up_limits, down_limits, delta, middle, min_value, max_value, limit_scope, difference_value, event, origin_mode = data
value = self.value_limit(delta, min_value=mu + limit_scope if middle else min_value)
self.target_set_value('up_limits', value)
if event.ctrl:
self.target_set_value(
'down_limits', value - difference_value)
elif middle:
if origin_mode == 'LIMITS_MIDDLE':
self.target_set_value('down_limits', mu - (value - mu))
elif origin_mode == 'MIDDLE':
self.target_set_value('down_limits', 1 - value)
else:
self.target_set_value('down_limits', down_limits)
else:
self.target_set_value('down_limits', down_limits)
def set_prop_value(self, data):
up_limits, down_limits, delta, middle, min_value, max_value, limit_scope, difference_value, event, origin_mode = data
mu = (up_limits + down_limits) / 2
if self.is_angle_mode:
value = self.int_value_angle - delta
v = self.snap_value(value, event)
print(v)
self.target_set_value('angle', v)
elif self.is_up_limits_mode:
self.set_up_value(data, mu)
elif self.is_down_limits_mode:
self.set_down_value(data, mu)
@staticmethod
def snap_value(value, event: 'bpy.types.Event'):
if event.ctrl:
value //= 5
elif event.ctrl and event.shift:
value //= 1
return value
def update_header_text(self, context, mod, origin, up_limits, down_limits):
translate: Callable[[Any], str] = lambda t: bpy.app.translations.pgettext(t)
mode = origin.bl_rna.properties['origin_mode'].enum_items[origin.origin_mode].name
def t_(a, b):
return translate(a) + ':{}'.format(round(b, 3))
text = translate(mode) + ' '
if self.is_use_angle_value and self.is_angle_mode:
text += t_('Angle', math.degrees(mod.angle))
elif self.is_up_limits_mode:
text += t_('Upper limit', up_limits)
elif self.is_down_limits_mode:
text += t_('Down limit', down_limits)
else:
text += t_('Coefficient', mod.factor)
context.area.header_text_set(text)
def event_ops(self, event, ob, origin):
"""通过输入键位来更改属性"""
# event ctrl
data_path = ('object.SimpleDeformGizmo_PropertyGroup.origin_mode',
'object.modifiers.active.origin.SimpleDeformGizmo_PropertyGroup.origin_mode')
if event.type in ('WHEELUPMOUSE', 'WHEELDOWNMOUSE'):
reverse = (event.type == 'WHEELUPMOUSE')
for path in data_path:
bpy.ops.wm.context_cycle_enum(
data_path=path, reverse=reverse, wrap=True)
elif event.type in ('X', 'Y', 'Z'):
ob.modifiers.active.deform_axis = event.type
elif event.type == 'A':
self.pref.display_bend_axis_switch_gizmo = True
return {'FINISHED'}
self.add_handler()
return {'RUNNING_MODAL'}
def modal(self, context, event, tweak):
self.update_bound_box(context.object)
delta = (self.init_mouse_x - event.mouse_x) / self.mouse_dpi
ob = context.object
mod = ob.modifiers.active
limits = mod.limits
up_limits = limits[1]
down_limits = limits[0]
origin = self.get_origin_property_group(mod, ob)
origin_mode = origin.origin_mode
middle = origin_mode in ('LIMITS_MIDDLE', 'MIDDLE')
limit_scope = self.pref.modifiers_limits_tolerance
max_value = up_limits - limit_scope
min_value = down_limits + limit_scope
difference_value = up_limits - down_limits
if 'SNAP' in tweak:
delta = round(delta)
if 'PRECISE' in tweak:
delta /= self.mouse_dpi
delta = self.delta_update(context, event, delta)
if origin_mode != 'NOT' and ('draw_line' in self.G_SimpleDeformGizmoHandlerDit):
self.empty_object, _ = self.new_empty(ob, mod)
self.G_SimpleDeformGizmoHandlerDit['empty_object'] = self.empty_object
data = up_limits, down_limits, delta, middle, min_value, max_value, limit_scope, difference_value, event, origin_mode
self.set_prop_value(data)
self.update_gizmo_matrix(context)
self.update_empty_matrix()
self.update_bound_box(context.object)
self.update_header_text(context, mod, origin, up_limits, down_limits)
self.add_handler()
return self.event_ops(event, ob, origin)

132
simple_deform_helper/gizmo/ctrl_value_and_factor.py Normal file
View File

@ -0,0 +1,132 @@
# SPDX-License-Identifier: GPL-2.0-or-later
from bpy.types import (
GizmoGroup,
)
from mathutils import Vector
from utils import PublicUtils
class SimpleDeformGizmoGroup(GizmoGroup, PublicUtils):
"""显示Gizmo
"""
bl_idname = 'OBJECT_GGT_SimpleDeformGizmoGroup'
bl_label = 'SimpleDeformGizmoGroup'
bl_space_type = 'VIEW_3D'
bl_region_type = 'WINDOW'
bl_options = {'3D', 'PERSISTENT', }
@classmethod
def poll(cls, context):
pol = cls.simple_deform_public_poll(context)
pref = cls.pref_()
deform_method = (
pol and (context.object.modifiers.active.deform_method != 'BEND'))
display_gizmo = pref.display_bend_axis_switch_gizmo
switch = (not display_gizmo)
return pol and (deform_method or switch)
def setup(self, context):
sd_name = ViewSimpleDeformGizmo.bl_idname
add_data = (('up_limits',
sd_name,
{'ctrl_mode': 'up_limits',
'draw_type': 'Sphere_GizmoGroup_',
'mouse_dpi': 1000,
'color': (1.0, 0, 0),
'alpha': 0.5,
'color_highlight': (1.0, 1.0, 1.0),
'alpha_highlight': 0.3,
'use_draw_modal': True,
'scale_basis': 0.1,
'use_draw_value': True, }),
('down_limits',
sd_name,
{'ctrl_mode': 'down_limits',
'draw_type': 'Sphere_GizmoGroup_',
'mouse_dpi': 1000,
'color': (0, 1.0, 0),
'alpha': 0.5,
'color_highlight': (1.0, 1.0, 1.0),
'alpha_highlight': 0.3,
'use_draw_modal': True,
'scale_basis': 0.1,
'use_draw_value': True, }),
('angle',
sd_name,
{'ctrl_mode': 'angle',
'draw_type': 'SimpleDeform_GizmoGroup_',
'color': (1.0, 0.5, 1.0),
'alpha': 0.3,
'color_highlight': (1.0, 1.0, 1.0),
'alpha_highlight': 0.3,
'use_draw_modal': True,
'scale_basis': 0.1,
'use_draw_value': True,
'mouse_dpi': 100,
}),
)
self.generate_gizmo_mode(add_data)
data_path = 'object.modifiers.active.deform_axis'
set_enum = 'wm.context_set_enum'
for axis in ('X', 'Y', 'Z'):
# show toggle axis button
gizmo = self.gizmos.new('GIZMO_GT_button_2d')
gizmo.icon = f'EVENT_{axis.upper()}'
gizmo.draw_options = {'BACKDROP', 'HELPLINE'}
ops = gizmo.target_set_operator(set_enum)
ops.data_path = data_path
ops.value = axis
gizmo.color = (0, 0, 0)
gizmo.alpha = 0.3
gizmo.color_highlight = 1.0, 1.0, 1.0
gizmo.alpha_highlight = 0.3
gizmo.use_draw_modal = True
gizmo.use_draw_value = True
gizmo.scale_basis = 0.1
setattr(self, f'deform_axis_{axis.lower()}', gizmo)
self.add_handler()
def refresh(self, context):
pro = context.object.SimpleDeformGizmo_PropertyGroup
self.angle.target_set_prop('angle',
context.object.modifiers.active,
'angle')
self.down_limits.target_set_prop('down_limits',
pro,
'down_limits')
self.down_limits.target_set_prop('up_limits',
pro,
'up_limits')
self.up_limits.target_set_prop('down_limits',
pro,
'down_limits')
self.up_limits.target_set_prop('up_limits',
pro,
'up_limits')
self.add_handler()
def draw_prepare(self, context):
ob = context.object
mat = ob.matrix_world
if 'co' in self.G_SimpleDeformGizmoHandlerDit:
def _mat(f):
co = self.G_SimpleDeformGizmoHandlerDit['co'][0]
co = (co[0] + (max(ob.dimensions) * f), co[1],
co[2] - (min(ob.dimensions) * 0.3))
return mat @ Vector(co)
self.deform_axis_x.matrix_basis.translation = _mat(0)
self.deform_axis_y.matrix_basis.translation = _mat(0.3)
self.deform_axis_z.matrix_basis.translation = _mat(0.6)
self.add_handler()
def invoke_prepare(self, context, gizmo):
self.add_handler()

12
simple_deform_helper/operators.py
View File

@ -4,10 +4,10 @@ import bpy
from bpy.types import Operator
from bpy.props import FloatProperty, StringProperty, BoolProperty
from .utils import PublicClass
from .utils import PublicUtils
class DeformAxisOperator(Operator, PublicClass):
class DeformAxisOperator(Operator, PublicUtils):
bl_idname = 'simple_deform_gizmo.deform_axis'
bl_label = 'deform_axis'
bl_description = 'deform_axis operator'
@ -26,12 +26,12 @@ class DeformAxisOperator(Operator, PublicClass):
return {'RUNNING_MODAL'}
def modal(self, context, event):
from .gizmo import Utils
from gizmo.ctrl_value_and_factor import PublicUtils
mod = context.object.modifiers.active
mod.deform_axis = self.Deform_Axis
empty, con_limit_name = Utils.new_empty(context.object, mod)
is_positive = Utils.is_positive(mod.angle)
empty, con_limit_name = PublicUtils.new_empty(context.object, mod)
is_positive = PublicUtils.is_positive(mod.angle)
for limit, value in (('max_x', self.X_Value),
('min_x', self.X_Value),
@ -48,7 +48,7 @@ class DeformAxisOperator(Operator, PublicClass):
if not event.ctrl:
self.pref.display_bend_axis_switch_gizmo = False
Utils.update_bound_box(context.object)
PublicUtils.update_bound_box(context.object)
return {'FINISHED'}

6
simple_deform_helper/panel.py
View File

@ -2,10 +2,10 @@
import bpy
from bpy.types import Panel, VIEW3D_HT_tool_header
from .utils import PublicClass, Utils
from .utils import PublicUtils
class SimpleDeformHelperToolPanel(Panel, PublicClass):
class SimpleDeformHelperToolPanel(Panel, PublicUtils):
bl_space_type = 'VIEW_3D'
bl_region_type = 'UI'
bl_category = 'Tool'
@ -16,7 +16,7 @@ class SimpleDeformHelperToolPanel(Panel, PublicClass):
@classmethod
def poll(cls, context):
return Utils.simple_deform_poll(context)
return PublicUtils.simple_deform_public_poll(context)
def draw(self, context):
cls = SimpleDeformHelperToolPanel

13
simple_deform_helper/preferences.py
View File

@ -1,6 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-or-later
import os
import bpy
from bpy.props import (FloatProperty,
PointerProperty,
@ -12,12 +11,11 @@ from bpy.types import (
PropertyGroup,
)
from .data import G_ADDON_NAME
from .utils import PublicClass, Utils
from .utils import PublicUtils, GizmoUtils
class SimpleDeformGizmoAddonPreferences(AddonPreferences, PublicClass):
bl_idname = G_ADDON_NAME
class SimpleDeformGizmoAddonPreferences(AddonPreferences, PublicUtils):
bl_idname = PublicUtils.G_ADDON_NAME
deform_wireframe_color: FloatVectorProperty(
name='Deform Wireframe',
@ -63,7 +61,7 @@ class SimpleDeformGizmoAddonPreferences(AddonPreferences, PublicClass):
col.prop(self, 'display_bend_axis_switch_gizmo')
def draw_header_tool_settings(self, context):
if Utils.simple_deform_poll(context):
if GizmoUtils.simple_deform_public_poll(context):
row = self.layout.row()
obj = context.object
mod = obj.modifiers.active
@ -81,7 +79,6 @@ class SimpleDeformGizmoAddonPreferences(AddonPreferences, PublicClass):
class SimpleDeformGizmoObjectPropertyGroup(PropertyGroup):
def _limits_up(self, context):
mod = context.object.modifiers
if mod and (mod.active.type == 'SIMPLE_DEFORM'):
@ -144,7 +141,7 @@ register_class, unregister_class = bpy.utils.register_classes_factory(class_list
def register():
register_class()
PublicClass.pref_().display_bend_axis_switch_gizmo = False
PublicUtils.pref_().display_bend_axis_switch_gizmo = False
bpy.types.Object.SimpleDeformGizmo_PropertyGroup = PointerProperty(
type=SimpleDeformGizmoObjectPropertyGroup,
name='SimpleDeformGizmo_PropertyGroup')

579
simple_deform_helper/utils.py
View File

@ -2,19 +2,88 @@
import math
import uuid
from os.path import dirname, basename, realpath
from typing import Callable, Any
import bpy
import numpy as np
from bpy.types import AddonPreferences
from mathutils import Vector, Matrix
from .data import G_ADDON_NAME, G_NAME, G_INDICES, G_MODIFIERS_PROPERTY, G_CON_LIMIT_NAME, Data
class PublicData:
"""Public data class, all fixed data will be placed here
"""
G_GizmoCustomShapeDict = {}
G_SimpleDeformGizmoHandlerDit = {}
G_INDICES = (
(0, 1), (0, 2), (1, 3), (2, 3),
(4, 5), (4, 6), (5, 7), (6, 7),
(0, 4), (1, 5), (2, 6), (3, 7))
G_NAME = 'ViewSimpleDeformGizmo_' # Temporary use files prefix
G_ADDON_NAME = basename(dirname(realpath(__file__))) # "simple_deform_helper"
G_CON_LIMIT_NAME = G_NAME + 'constraints_limit_rotation' # constraints name
G_MODIFIERS_PROPERTY = [ # copy modifier data
'angle',
'deform_axis',
'deform_method',
'factor',
'invert_vertex_group',
'limits',
'lock_x',
'lock_y',
'lock_z',
'origin',
'show_expanded',
'show_in_editmode',
'vertex_group',
]
@classmethod
def load_gizmo_data(cls) -> None:
import json
import os
json_path = os.path.join(os.path.dirname(__file__), "gizmo.json")
with open(json_path, "r") as file:
cls.G_GizmoCustomShapeDict = json.load(file)
@staticmethod
def from_mesh_get_triangle_face_co(mesh: 'bpy.types.Mesh') -> list:
"""
:param mesh: input mesh read vertex
:type mesh: bpy.data.meshes
:return list: vertex coordinate list[[cox,coy,coz],[cox,coy,coz]...]
"""
import bmesh
bm = bmesh.new()
bm.from_mesh(mesh)
bm.faces.ensure_lookup_table()
bm.verts.ensure_lookup_table()
bmesh.ops.triangulate(bm, faces=bm.faces)
co_list = [list(float(format(j, ".3f")) for j in vert.co) for face in bm.faces for vert in face.verts]
bm.free()
return co_list
@classmethod
def from_selected_obj_generate_json(cls):
"""Export selected object vertex data as gizmo custom paint data
The output file should be in the blender folder
"""
import json
data = {}
for obj in bpy.context.selected_object:
data[obj.name] = cls.from_mesh_get_triangle_face_co(obj.data)
print(data)
with open('gizmo.json', 'w+') as f:
f.write(json.dumps(data))
class PublicClass:
class PublicClass(PublicData):
@staticmethod
def pref_() -> "AddonPreferences":
return bpy.context.preferences.addons[G_ADDON_NAME].preferences
return bpy.context.preferences.addons[PublicData.G_ADDON_NAME].preferences
@property
def pref(self=None) -> 'AddonPreferences':
@ -24,37 +93,15 @@ class PublicClass:
return PublicClass.pref_()
class Utils(Data):
class PublicUtils(PublicClass):
@classmethod
def set_reduce(cls, list_a, list_b, operation_type='-') -> list:
def value_limit(cls, value, max_value=1, min_value=0):
"""
:param list_a: 列表a
:type list_a: list or set
:param list_b: 列表b
:type list_b:list or set
:param operation_type :运算方法Enumerator in ['+','-','*','/'].
:type operation_type :str
:return list: 反回运算后的列表
"""
if operation_type == '-':
return [list_a[i] - list_b[i] for i in range(0, len(list_a))]
elif operation_type == '+':
return [list_a[i] + list_b[i] for i in range(0, len(list_a))]
elif operation_type == '/':
return [list_a[i] / list_b[i] for i in range(0, len(list_a))]
elif operation_type == '*':
return [list_a[i] * list_b[i] for i in range(0, len(list_a))]
@classmethod
def value_limit(cls, value, max_value=1, min_value=0) -> float:
"""
:param value: 输入值
:type value: float
:param max_value: 允许的最大值
:type max_value: float
:param min_value: 允许的最小值
:type min_value: float
:return float: 反回小于最大值及大于最小值的浮点数
@param value: limit value
@param max_value: Maximum allowed
@param min_value: Minimum allowed
@return: If the input value is greater than the maximum value or less than the minimum value
it will be limited to the maximum or minimum value
"""
if value > max_value:
return max_value
@ -71,33 +118,29 @@ class Utils(Data):
return number == abs(number)
@classmethod
def get_depsgraph(cls, obj: 'bpy.context.object'):
def get_depsgraph(cls, obj: 'bpy.types.Object'):
"""
:param obj: 要被评估的物体
:type obj: bpy.types.Object
:return bpy.types.Object: 反回评估后的物体,计算应用修改器和实例化的数据
如果未输入物休将会评估活动物体
@param obj: dep obj
@return: If there is no input obj, reverse the active object evaluated
"""
context = bpy.context
if obj is None:
obj = context.object
depsgraph = context.evaluated_depsgraph_get()
return obj.evaluated_get(depsgraph)
dep = context.evaluated_depsgraph_get()
return obj.evaluated_get(dep)
@classmethod
def link_active_collection(cls,
obj: 'bpy.context.object') -> \
'bpy.context.view_layer.active_layer_collection.collection.objects':
def link_obj_to_active_collection(cls, obj: 'bpy.types.Object'):
context = bpy.context
if obj.name not in context.view_layer.active_layer_collection.collection.objects:
context.view_layer.active_layer_collection.collection.objects.link(
objects = context.view_layer.active_layer_collection.collection.objects
if obj.name not in objects:
objects.link(
obj)
return context.view_layer.active_layer_collection.collection.objects
@classmethod
def properties_is_modifier(cls) -> bool:
"""
反回活动窗口内是否有修改器属性面板被打开,如果打开则反回True else False
"""Returns whether there is a modifier property panel open in the active window.
If it is open, it returns to True else False
"""
for area in bpy.context.screen.areas:
if area.type == 'PROPERTIES':
@ -107,54 +150,9 @@ class Utils(Data):
return False
@classmethod
def simple_deform_poll(cls, context: 'bpy.context') -> bool:
"""Public poll"""
obj = context.object
if not obj:
return False
mod = obj.modifiers.active
if not mod:
return False
space = context.space_data
show_gizmo = space.show_gizmo if space.type == 'VIEW_3D' else True
available_obj_type = obj and (obj.type in ('MESH', 'LATTICE'))
available_modifiers_type = mod and (mod.type == 'SIMPLE_DEFORM')
is_available_obj = available_modifiers_type and available_obj_type
is_obj_mode = context.mode == 'OBJECT'
show_mod = mod.show_viewport
return is_available_obj and is_obj_mode and show_gizmo and show_mod
@classmethod
def bound_box_to_list(cls, obj: 'bpy.context.object') -> tuple:
"""
:param obj:输入一个物体,反回物体的边界框列表
:type obj:bpy.types.Object
:return tuple:
"""
def bound_box_to_list(cls, obj: 'bpy.types.Object'):
return tuple(i[:] for i in obj.bound_box)
@classmethod
def get_origin_bounds(cls, obj: 'bpy.context.object') -> list:
modifiers_list = {}
for mod in obj.modifiers:
if (mod == obj.modifiers.active) or (modifiers_list != {}):
modifiers_list[mod] = (mod.show_render, mod.show_viewport)
mod.show_viewport = False
mod.show_render = False
matrix_obj = obj.matrix_world.copy()
obj.matrix_world.zero()
obj.scale = (1, 1, 1)
bound = cls.bound_box_to_list(obj)
obj.matrix_world = matrix_obj
for mod in modifiers_list:
show_render, show_viewport = modifiers_list[mod]
mod.show_render = show_render
mod.show_viewport = show_viewport
return list(bound)
@classmethod
def get_mesh_max_min_co(cls, obj: 'bpy.context.object') -> tuple:
if obj.type == 'MESH':
@ -173,41 +171,6 @@ class Utils(Data):
def matrix_calculation(cls, mat: 'Matrix', calculation_list: 'list') -> list:
return [mat @ Vector(i) for i in calculation_list]
@classmethod
def get_origin_property_group(cls, mod, ob):
if mod.origin:
return mod.origin.SimpleDeformGizmo_PropertyGroup
else:
return ob.SimpleDeformGizmo_PropertyGroup
@classmethod
def set_empty_obj_matrix(cls, origin_mode, empty_object, up_, down_, up, down):
tow = (2, 2, 2)
if origin_mode == 'UP_LIMITS':
empty_object.matrix_world.translation = Vector(up_)
elif origin_mode == 'DOWN_LIMITS':
empty_object.matrix_world.translation = Vector(
down_)
elif origin_mode == 'LIMITS_MIDDLE':
empty_object.matrix_world.translation = cls.set_reduce(
cls.set_reduce(up_, down_, '+'), tow, '/')
elif origin_mode == 'MIDDLE':
empty_object.matrix_world.translation = cls.set_reduce(
cls.set_reduce(up, down, '+'), tow, '/')
@classmethod
def get_vector_axis(cls, mod):
axis = mod.deform_axis
if 'BEND' == mod.deform_method:
vector_axis = Vector((0, 0, 1)) if axis in (
'Y', 'X') else Vector((1, 0, 0))
else:
vector = (Vector((1, 0, 0)) if (
axis == 'X') else Vector((0, 1, 0)))
vector_axis = Vector((0, 0, 1)) if (
axis == 'Z') else vector
return vector_axis
@classmethod
def point_to_angle(cls, i, j, f, axis_):
if i == j:
@ -225,6 +188,170 @@ class Utils(Data):
angle = (180 * vector_value.angle(axis_) / math.pi)
return angle
@classmethod
def co_to_direction(cls, mat, data):
(min_x, min_y, min_z), (max_x, max_y,
max_z) = data
a = mat @ Vector((max_x, max_y, max_z))
b = mat @ Vector((max_x, min_y, min_z))
c = mat @ Vector((min_x, max_y, min_z))
d = mat @ Vector((min_x, min_y, max_z))
return ((aa + bb) / Vector((2, 2, 2)) for aa, bb in ((a, d)
(c, b)
(c, d)
(a, b)
(d, b)
(c, a)))
class GizmoUtils(PublicUtils):
@classmethod
def each_face_pos(cls, mat: 'Matrix' = None):
if mat is None:
mat = Matrix()
return cls.co_to_direction(mat, cls.G_SimpleDeformGizmoHandlerDit['co'])
@classmethod
def update_matrix(cls, mod, ob):
if mod.deform_method == 'BEND':
cls.new_empty(ob, mod)
if mod.origin:
empty_object = mod.origin
modifiers_co = cls.G_SimpleDeformGizmoHandlerDit['modifiers_co']
for index, mod_name in enumerate(modifiers_co):
co_items = list(modifiers_co.items())
if mod.name == mod_name:
data = co_items[index - 1][1] if (
index or (index != 1)) else modifiers_co['co']
(up, down), (up_, down_) = cls.get_limits_pos(
mod, cls.co_to_direction(ob.matrix_world.copy(), data))
origin_mode = cls.get_origin_property_group(
mod, ob).origin_mode
cls.set_empty_obj_matrix(
origin_mode, empty_object, up_, down_, up, down)
@classmethod
def update_empty_matrix(cls):
ob = bpy.context.object
for mod in ob.modifiers:
if mod.type == 'SIMPLE_DEFORM':
cls.update_matrix(mod, ob)
@classmethod
def get_origin_property_group(cls, mod, ob):
if mod.origin:
return mod.origin.SimpleDeformGizmo_PropertyGroup
else:
return ob.SimpleDeformGizmo_PropertyGroup
@classmethod
def simple_deform_public_poll(cls, context: 'bpy.types.context') -> bool:
"""Public poll
In 3D View
Active Object in ('MESH', 'LATTICE')
Active Modifier Type Is 'SIMPLE_DEFORM' and show_viewport
return True
"""
obj = context.object
if not obj:
return False
mod = obj.modifiers.active
if not mod:
return False
space = context.space_data
show_gizmo = space.show_gizmo if space.type == 'VIEW_3D' else True
available_obj_type = obj and (obj.type in ('MESH', 'LATTICE'))
available_modifiers_type = mod and (mod.type == 'SIMPLE_DEFORM')
is_available_obj = available_modifiers_type and available_obj_type
is_obj_mode = context.mode == 'OBJECT'
show_mod = mod.show_viewport
return is_available_obj and is_obj_mode and show_gizmo and show_mod
@classmethod
def get_up_down_return_list(cls, mod, axis, up_, down_, data):
top, bottom, left, right, front, back = data
if 'BEND' == mod.deform_method:
if axis in ('X', 'Y'):
top = up_
bottom = down_
elif axis == 'Z':
right = up_
left = down_
else:
if axis == 'X':
right = up_
left = down_
elif axis == 'Y':
back = up_
front = down_
elif axis == 'Z':
top = up_
bottom = down_
return top, bottom, left, right, front, back
@classmethod
def new_empty(cls, obj, mod):
origin = mod.origin
if origin is None:
new_name = cls.G_NAME + '_Empty_' + str(uuid.uuid4())
origin_object = bpy.data.objects.new(new_name, None)
cls.link_obj_to_active_collection(origin_object)
origin_object.hide_set(True)
origin_object.empty_display_size = min(obj.dimensions)
mod.origin = origin_object
else:
origin_object = mod.origin
origin_object.hide_viewport = False
if origin_object.parent != obj:
origin_object.parent = obj
# add constraints
con_name = cls.G_CON_LIMIT_NAME
if con_name in origin_object.constraints.keys():
limit_constraints = origin.constraints.get(con_name)
else:
limit_constraints = origin_object.constraints.new(
'LIMIT_ROTATION')
limit_constraints.name = con_name
limit_constraints.owner_space = 'WORLD'
limit_constraints.space_object = obj
limit_constraints.use_transform_limit = True
limit_constraints.use_limit_x = True
limit_constraints.use_limit_y = True
limit_constraints.use_limit_z = True
con_copy_name = cls.G_NAME + 'constraints_copy_rotation'
if con_copy_name in origin_object.constraints.keys():
copy_constraints = origin.constraints.get(con_copy_name)
else:
copy_constraints = origin_object.constraints.new(
'COPY_ROTATION')
copy_constraints.name = con_copy_name
copy_constraints.target = obj
copy_constraints.mix_mode = 'BEFORE'
copy_constraints.target_space = 'WORLD'
copy_constraints.owner_space = 'WORLD'
origin_object.rotation_euler.zero()
origin_object.scale = 1, 1, 1
return origin_object, con_name
@classmethod
def set_empty_obj_matrix(cls, origin_mode, empty_object, up_, down_, up, down):
tow = Vector((2, 2, 2))
if origin_mode == 'UP_LIMITS':
empty_object.matrix_world.translation = Vector(up_)
elif origin_mode == 'DOWN_LIMITS':
empty_object.matrix_world.translation = Vector(
down_)
elif origin_mode == 'LIMITS_MIDDLE':
empty_object.matrix_world.translation = (up_ + down_) / tow
elif origin_mode == 'MIDDLE':
empty_object.matrix_world.translation = (up + down) / tow
@classmethod
def get_up_down(cls, mod, axis, top, bottom, left, right, front, back):
if 'BEND' == mod.deform_method:
@ -265,21 +392,30 @@ class Utils(Data):
up, down = cls.get_up_down(mod, axis, top, bottom,
left, right, front, back)
ex = lambda a: cls.set_reduce(down, cls.set_reduce(cls.set_reduce(
up, down, '-'), (a, a, a), '*'), '+')
ex = lambda a: down + ((up - down) * Vector((a, a, a)))
up_ = ex(up_limits)
down_ = ex(down_limits)
return (up, down), (up_, down_)
@classmethod
def update_bound_box(cls, object):
def get_vector_axis(cls, mod):
axis = mod.deform_axis
if 'BEND' == mod.deform_method:
vector_axis = Vector((0, 0, 1)) if axis in (
'Y', 'X') else Vector((1, 0, 0))
else:
vector = (Vector((1, 0, 0)) if (
axis == 'X') else Vector((0, 1, 0)))
vector_axis = Vector((0, 0, 1)) if (
axis == 'Z') else vector
return vector_axis
@classmethod
def update_bound_box(cls, obj: 'bpy.types.Object'):
context = bpy.context
data = bpy.data
obj = object
matrix = obj.matrix_world.copy() # 物体矩阵
# add simple_deform mesh
(min_x, min_y, min_z), (max_x, max_y,
max_z) = cls.get_mesh_max_min_co(object)
@ -291,18 +427,19 @@ class Utils(Data):
(min_x, min_y, max_z),
(max_x, max_y, max_z),
(min_x, max_y, max_z))
if data.objects.get(G_NAME):
data.objects.remove(data.objects.get(G_NAME))
name = cls.G_NAME
if data.objects.get(name):
data.objects.remove(data.objects.get(name))
if data.meshes.get(G_NAME):
data.meshes.remove(data.meshes.get(G_NAME))
mesh = data.meshes.new(G_NAME)
mesh.from_pydata(vertexes, G_INDICES, [])
if data.meshes.get(name):
data.meshes.remove(data.meshes.get(name))
mesh = data.meshes.new(name)
mesh.from_pydata(vertexes, cls.G_INDICES, [])
mesh.update()
new_object = data.objects.new(G_NAME, mesh)
new_object = data.objects.new(name, mesh)
cls.link_active_collection(new_object)
cls.link_obj_to_active_collection(new_object)
if new_object.parent != obj:
new_object.parent = obj
@ -327,7 +464,7 @@ class Utils(Data):
simple_deform.limits[0] = mo.limits[0]
simple_deform.angle = mo.angle
simple_deform.show_viewport = mo.show_viewport
obj = Utils.get_depsgraph(new_object)
obj = PublicUtils.get_depsgraph(new_object)
cls.G_SimpleDeformGizmoHandlerDit['modifiers_co'][mo.name] = cls.get_mesh_max_min_co(
obj)
new_object.hide_set(True)
@ -363,10 +500,19 @@ class Utils(Data):
limits = context.object.modifiers.active.limits[:]
modifiers = [getattr(context.object.modifiers.active, i)
for i in G_MODIFIERS_PROPERTY]
for i in cls.G_MODIFIERS_PROPERTY]
cls.G_SimpleDeformGizmoHandlerDit['draw'] = (ver, indices, matrix, modifiers, limits)
@classmethod
def generate_co_data(cls):
handler_dit = cls.G_SimpleDeformGizmoHandlerDit
if 'co' not in handler_dit:
handler_dit['co'] = cls.get_mesh_max_min_co(
bpy.context.object)
return handler_dit['co']
@classmethod
def update_co_data(cls, ob, mod):
handler_dit = cls.G_SimpleDeformGizmoHandlerDit
@ -379,137 +525,30 @@ class Utils(Data):
cls.G_SimpleDeformGizmoHandlerDit['co'] = co_items[index - 1][1] if (index or (index != 1)) else \
modifiers_co['co']
class tmp:
@classmethod
def generate_co_data(cls):
handler_dit = cls.G_SimpleDeformGizmoHandlerDit
if 'co' not in handler_dit:
handler_dit['co'] = cls.get_mesh_max_min_co(
bpy.context.object)
return handler_dit['co']
@classmethod
def new_empty(cls, obj, mod):
origin = mod.origin
if origin is None:
new_name = G_NAME + '_Empty_' + str(uuid.uuid4())
origin_object = bpy.data.objects.new(new_name, None)
cls.link_active_collection(origin_object)
origin_object.hide_set(True)
origin_object.empty_display_size = min(obj.dimensions)
mod.origin = origin_object
else:
origin_object = mod.origin
origin_object.hide_viewport = False
if origin_object.parent != obj:
origin_object.parent = obj
# add constraints
if G_CON_LIMIT_NAME in origin_object.constraints.keys():
limit_constraints = origin.constraints.get(G_CON_LIMIT_NAME)
else:
limit_constraints = origin_object.constraints.new(
'LIMIT_ROTATION')
limit_constraints.name = G_CON_LIMIT_NAME
limit_constraints.owner_space = 'WORLD'
limit_constraints.space_object = obj
limit_constraints.use_transform_limit = True
limit_constraints.use_limit_x = True
limit_constraints.use_limit_y = True
limit_constraints.use_limit_z = True
con_copy_name = G_NAME + 'constraints_copy_rotation'
if con_copy_name in origin_object.constraints.keys():
copy_constraints = origin.constraints.get(con_copy_name)
else:
copy_constraints = origin_object.constraints.new(
'COPY_ROTATION')
copy_constraints.name = con_copy_name
copy_constraints.target = obj
copy_constraints.mix_mode = 'BEFORE'
copy_constraints.target_space = 'WORLD'
copy_constraints.owner_space = 'WORLD'
origin_object.rotation_euler.zero()
origin_object.scale = 1, 1, 1
return origin_object, G_CON_LIMIT_NAME
@classmethod
def co_to_direction(cls, mat, data):
(min_x, min_y, min_z), (max_x, max_y,
max_z) = data
a = mat @ Vector((max_x, max_y, max_z))
b = mat @ Vector((max_x, min_y, min_z))
c = mat @ Vector((min_x, max_y, min_z))
d = mat @ Vector((min_x, min_y, max_z))
def pos_get(a, b):
return cls.set_reduce(cls.set_reduce(a, b, '+'), (2, 2, 2), '/')
top = Vector(pos_get(a, d))
bottom = Vector(pos_get(c, b))
left = Vector(pos_get(c, d))
right = Vector(pos_get(a, b))
front = Vector(pos_get(d, b))
back = Vector(pos_get(c, a))
return top, bottom, left, right, front, back
@classmethod
def each_face_pos(cls, mat: 'Matrix' = None):
if mat is None:
mat = Matrix()
return cls.co_to_direction(mat, cls.G_SimpleDeformGizmoHandlerDit['co'])
@classmethod
def update_matrix(cls, mod, ob):
if mod.deform_method == 'BEND':
cls.new_empty(ob, mod)
if mod.origin:
empty_object = mod.origin
modifiers_co = cls.G_SimpleDeformGizmoHandlerDit['modifiers_co']
for index, mod_name in enumerate(modifiers_co):
co_items = list(modifiers_co.items())
if mod.name == mod_name:
data = co_items[index - 1][1] if (
index or (index != 1)) else modifiers_co['co']
(up, down), (up_, down_) = cls.get_limits_pos(
mod, cls.co_to_direction(ob.matrix_world.copy(), data))
origin_mode = cls.get_origin_property_group(
mod, ob).origin_mode
cls.set_empty_obj_matrix(
origin_mode, empty_object, up_, down_, up, down)
@classmethod
def update_empty_matrix(cls):
ob = bpy.context.object
for mod in ob.modifiers:
if mod.type == 'SIMPLE_DEFORM':
cls.update_matrix(mod, ob)
@classmethod
def get_up_down_return_list(cls, mod, axis, up_, down_, data):
top, bottom, left, right, front, back = data
if 'BEND' == mod.deform_method:
if axis in ('X', 'Y'):
top = up_
bottom = down_
elif axis == 'Z':
right = up_
left = down_
else:
if axis == 'X':
right = up_
left = down_
elif axis == 'Y':
back = up_
front = down_
elif axis == 'Z':
top = up_
bottom = down_
return top, bottom, left, right, front, back
def get_origin_bounds(cls, obj: 'bpy.types.Object') -> list:
modifiers_dict = {}
for mod in obj.modifiers:
if (mod == obj.modifiers.active) or (modifiers_dict != {}):
modifiers_dict[mod] = (mod.show_render, mod.show_viewport)
mod.show_viewport = False
mod.show_render = False
matrix_obj = obj.matrix_world.copy()
obj.matrix_world.zero()
obj.scale = (1, 1, 1)
bound = cls.bound_box_to_list(obj)
obj.matrix_world = matrix_obj
for mod in modifiers_dict:
show_render, show_viewport = modifiers_dict[mod]
mod.show_render = show_render
mod.show_viewport = show_viewport
return list(bound)
def register():
PublicClass.load_gizmo_data()
PublicData.load_gizmo_data()
def unregister():