Yusarina
522 lines
20 KiB
Python
522 lines
20 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 MMD Tools authors
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# This file was originally part of the MMD Tools add-on for Blender
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# You can find MMD Tools here: https://github.com/MMD-Blender/blender_mmd_tools
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# Neoneko has modified this file to work with Avatar Toolkit and may of made changes or improvements.
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# MMD Tools is licensed under the terms of the GNU General Public License version 3 (GPLv3) same as Avatar Toolkit.
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import contextlib
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from typing import Generator, List, Optional, TypeVar
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import bpy
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class Props: # For API changes of only name changed properties
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show_in_front = "show_in_front"
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display_type = "display_type"
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display_size = "display_size"
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empty_display_type = "empty_display_type"
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empty_display_size = "empty_display_size"
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class __EditMode:
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def __init__(self, obj):
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if not isinstance(obj, bpy.types.Object):
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raise ValueError
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self.__prevMode = obj.mode
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self.__obj = obj
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self.__obj_select = obj.select_get()
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with select_object(obj):
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if obj.mode != "EDIT":
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bpy.ops.object.mode_set(mode="EDIT")
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def __enter__(self):
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return self.__obj.data
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def __exit__(self, type, value, traceback):
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if self.__prevMode == "EDIT":
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bpy.ops.object.mode_set(mode="OBJECT") # update edited data
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bpy.ops.object.mode_set(mode=self.__prevMode)
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self.__obj.select_set(self.__obj_select)
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class __SelectObjects:
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def __init__(self, active_object: bpy.types.Object, selected_objects: Optional[List[bpy.types.Object]] = None):
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if not isinstance(active_object, bpy.types.Object):
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raise ValueError
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try:
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bpy.ops.object.mode_set(mode="OBJECT")
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except Exception:
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pass
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contenxt = FnContext.ensure_context()
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for i in contenxt.selected_objects:
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i.select_set(False)
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self.__active_object = active_object
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self.__selected_objects = tuple(set(selected_objects) | set([active_object])) if selected_objects else (active_object,)
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self.__hides: List[bool] = []
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for i in self.__selected_objects:
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self.__hides.append(i.hide_get())
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FnContext.select_object(contenxt, i)
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FnContext.set_active_object(contenxt, active_object)
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def __enter__(self) -> bpy.types.Object:
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return self.__active_object
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def __exit__(self, type, value, traceback):
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for i, j in zip(self.__selected_objects, self.__hides):
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i.hide_set(j)
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def setParent(obj, parent):
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with select_object(parent, objects=[parent, obj]):
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bpy.ops.object.parent_set(type="OBJECT", xmirror=False, keep_transform=False)
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def setParentToBone(obj, parent, bone_name):
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with select_object(parent, objects=[parent, obj]):
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bpy.ops.object.mode_set(mode="POSE")
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parent.data.bones.active = parent.data.bones[bone_name]
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bpy.ops.object.parent_set(type="BONE", xmirror=False, keep_transform=False)
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bpy.ops.object.mode_set(mode="OBJECT")
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def edit_object(obj):
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"""Set the object interaction mode to 'EDIT'
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It is recommended to use 'edit_object' with 'with' statement like the following code.
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with edit_object:
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some functions...
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"""
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return __EditMode(obj)
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def select_object(obj: bpy.types.Object, objects: Optional[List[bpy.types.Object]] = None):
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"""Select objects.
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It is recommended to use 'select_object' with 'with' statement like the following code.
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This function can select "hidden" objects safely.
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with select_object(obj):
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some functions...
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"""
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# TODO: Reimplement with bpy.context.temp_override (If it ain't broke, don't fix it.)
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return __SelectObjects(obj, objects)
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def duplicateObject(obj, total_len):
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return FnContext.duplicate_object(FnContext.ensure_context(), obj, total_len)
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def createObject(name="Object", object_data=None, target_scene=None):
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context = FnContext.ensure_context(target_scene)
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return FnContext.set_active_object(context, FnContext.new_and_link_object(context, name, object_data))
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def makeSphere(segment=8, ring_count=5, radius=1.0, target_object=None):
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import bmesh
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if target_object is None:
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target_object = createObject(name="Sphere")
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mesh = target_object.data
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bm = bmesh.new()
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bmesh.ops.create_uvsphere(
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bm,
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u_segments=segment,
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v_segments=ring_count,
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radius=radius,
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)
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for f in bm.faces:
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f.smooth = True
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bm.to_mesh(mesh)
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bm.free()
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return target_object
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def makeBox(size=(1, 1, 1), target_object=None):
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import bmesh
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from mathutils import Matrix
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if target_object is None:
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target_object = createObject(name="Box")
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mesh = target_object.data
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bm = bmesh.new()
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bmesh.ops.create_cube(
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bm,
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size=2,
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matrix=Matrix([[size[0], 0, 0, 0], [0, size[1], 0, 0], [0, 0, size[2], 0], [0, 0, 0, 1]]),
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)
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for f in bm.faces:
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f.smooth = True
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bm.to_mesh(mesh)
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bm.free()
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return target_object
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def makeCapsule(segment=8, ring_count=2, radius=1.0, height=1.0, target_object=None):
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import math
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import bmesh
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if target_object is None:
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target_object = createObject(name="Capsule")
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height = max(height, 1e-3)
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mesh = target_object.data
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bm = bmesh.new()
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verts = bm.verts
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top = (0, 0, height / 2 + radius)
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verts.new(top)
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# f = lambda i: radius*i/ring_count
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f = lambda i: radius * math.sin(0.5 * math.pi * i / ring_count)
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for i in range(ring_count, 0, -1):
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z = f(i - 1)
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t = math.sqrt(radius**2 - z**2)
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for j in range(segment):
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theta = 2 * math.pi / segment * j
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x = t * math.sin(-theta)
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y = t * math.cos(-theta)
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verts.new((x, y, z + height / 2))
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for i in range(ring_count):
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z = -f(i)
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t = math.sqrt(radius**2 - z**2)
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for j in range(segment):
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theta = 2 * math.pi / segment * j
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x = t * math.sin(-theta)
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y = t * math.cos(-theta)
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verts.new((x, y, z - height / 2))
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bottom = (0, 0, -(height / 2 + radius))
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verts.new(bottom)
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if hasattr(verts, "ensure_lookup_table"):
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verts.ensure_lookup_table()
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faces = bm.faces
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for i in range(1, segment):
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faces.new([verts[x] for x in (0, i, i + 1)])
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faces.new([verts[x] for x in (0, segment, 1)])
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offset = segment + 1
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for i in range(ring_count * 2 - 1):
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for j in range(segment - 1):
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t = offset + j
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faces.new([verts[x] for x in (t - segment, t, t + 1, t - segment + 1)])
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faces.new([verts[x] for x in (offset - 1, offset + segment - 1, offset, offset - segment)])
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offset += segment
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for i in range(segment - 1):
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t = offset + i
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faces.new([verts[x] for x in (t - segment, offset, t - segment + 1)])
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faces.new([verts[x] for x in (offset - 1, offset, offset - segment)])
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for f in bm.faces:
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f.smooth = True
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bm.normal_update()
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bm.to_mesh(mesh)
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bm.free()
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return target_object
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class TransformConstraintOp:
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__MIN_MAX_MAP = {"ROTATION": "_rot", "SCALE": "_scale"}
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@staticmethod
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def create(constraints, name, map_type):
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c = constraints.get(name, None)
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if c and c.type != "TRANSFORM":
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constraints.remove(c)
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c = None
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if c is None:
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c = constraints.new("TRANSFORM")
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c.name = name
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c.use_motion_extrapolate = True
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c.target_space = c.owner_space = "LOCAL"
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c.map_from = c.map_to = map_type
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c.map_to_x_from = "X"
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c.map_to_y_from = "Y"
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c.map_to_z_from = "Z"
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c.influence = 1
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return c
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@classmethod
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def min_max_attributes(cls, map_type, name_id=""):
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key = (map_type, name_id)
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ret = cls.__MIN_MAX_MAP.get(key, None)
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if ret is None:
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defaults = (i + j + k for i in ("from_", "to_") for j in ("min_", "max_") for k in "xyz")
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extension = cls.__MIN_MAX_MAP.get(map_type, "")
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ret = cls.__MIN_MAX_MAP[key] = tuple(n + extension for n in defaults if name_id in n)
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return ret
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@classmethod
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def update_min_max(cls, constraint, value, influence=1):
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c = constraint
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if not c or c.type != "TRANSFORM":
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return
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for attr in cls.min_max_attributes(c.map_from, "from_min"):
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setattr(c, attr, -value)
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for attr in cls.min_max_attributes(c.map_from, "from_max"):
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setattr(c, attr, value)
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if influence is None:
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return
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for attr in cls.min_max_attributes(c.map_to, "to_min"):
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setattr(c, attr, -value * influence)
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for attr in cls.min_max_attributes(c.map_to, "to_max"):
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setattr(c, attr, value * influence)
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class FnObject:
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def __init__(self):
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raise NotImplementedError("This class is not expected to be instantiated.")
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@staticmethod
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def mesh_remove_shape_key(mesh_object: bpy.types.Object, shape_key: bpy.types.ShapeKey):
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assert isinstance(mesh_object.data, bpy.types.Mesh)
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key: bpy.types.Key = shape_key.id_data
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assert key == mesh_object.data.shape_keys
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if mesh_object.animation_data is not None:
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fc_curve: bpy.types.FCurve
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for fc_curve in mesh_object.animation_data.drivers:
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if not fc_curve.data_path.startswith(shape_key.path_from_id()):
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continue
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mesh_object.driver_remove(fc_curve.data_path)
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key_blocks = key.key_blocks
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last_index = mesh_object.active_shape_key_index or 0
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if last_index >= key_blocks.find(shape_key.name):
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last_index = max(0, last_index - 1)
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mesh_object.shape_key_remove(shape_key)
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mesh_object.active_shape_key_index = min(last_index, len(key_blocks) - 1)
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ADDON_PREFERENCE_ATTRIBUTE_VALUE_TYPE = TypeVar("ADDON_PREFERENCE_ATTRIBUTE_VALUE_TYPE")
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class FnContext:
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def __init__(self):
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raise NotImplementedError("This class is not expected to be instantiated.")
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@staticmethod
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def ensure_context(context: Optional[bpy.types.Context] = None) -> bpy.types.Context:
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return context or bpy.context
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@staticmethod
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def get_active_object(context: bpy.types.Context) -> Optional[bpy.types.Object]:
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return context.active_object
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@staticmethod
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def set_active_object(context: bpy.types.Context, obj: bpy.types.Object) -> bpy.types.Object:
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context.view_layer.objects.active = obj
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return obj
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@staticmethod
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def set_active_and_select_single_object(context: bpy.types.Context, obj: bpy.types.Object) -> bpy.types.Object:
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return FnContext.set_active_object(context, FnContext.select_single_object(context, obj))
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@staticmethod
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def get_scene_objects(context: bpy.types.Context) -> bpy.types.SceneObjects:
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return context.scene.objects
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@staticmethod
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def ensure_selectable(context: bpy.types.Context, obj: bpy.types.Object) -> bpy.types.Object:
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obj.hide_viewport = False
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obj.hide_select = False
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obj.hide_set(False)
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if obj not in context.selectable_objects:
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def __layer_check(layer_collection: bpy.types.LayerCollection) -> bool:
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for lc in layer_collection.children:
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if __layer_check(lc):
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lc.hide_viewport = False
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lc.collection.hide_viewport = False
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lc.collection.hide_select = False
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return True
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if obj in layer_collection.collection.objects.values():
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if layer_collection.exclude:
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layer_collection.exclude = False
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return True
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return False
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selected_objects = set(context.selected_objects)
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__layer_check(context.view_layer.layer_collection)
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if len(context.selected_objects) != len(selected_objects):
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for i in context.selected_objects:
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if i not in selected_objects:
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i.select_set(False)
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return obj
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@staticmethod
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def select_object(context: bpy.types.Context, obj: bpy.types.Object) -> bpy.types.Object:
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FnContext.ensure_selectable(context, obj).select_set(True)
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return obj
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@staticmethod
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def select_objects(context: bpy.types.Context, *objects: bpy.types.Object) -> List[bpy.types.Object]:
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return [FnContext.select_object(context, obj) for obj in objects]
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@staticmethod
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def select_single_object(context: bpy.types.Context, obj: bpy.types.Object) -> bpy.types.Object:
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for i in context.selected_objects:
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if i != obj:
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i.select_set(False)
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return FnContext.select_object(context, obj)
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@staticmethod
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def link_object(context: bpy.types.Context, obj: bpy.types.Object) -> bpy.types.Object:
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context.collection.objects.link(obj)
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return obj
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@staticmethod
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def new_and_link_object(context: bpy.types.Context, name: str, object_data: Optional[bpy.types.ID]) -> bpy.types.Object:
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return FnContext.link_object(context, bpy.data.objects.new(name=name, object_data=object_data))
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@staticmethod
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def duplicate_object(context: bpy.types.Context, object_to_duplicate: bpy.types.Object, target_count: int) -> List[bpy.types.Object]:
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"""
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Duplicate object.
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This function duplicates the given object and returns a list of duplicated objects.
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Args:
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context (bpy.types.Context): The context in which the duplication is performed.
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object_to_duplicate (bpy.types.Object): The object to be duplicated.
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target_count (int): The desired count of duplicated objects.
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Returns:
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List[bpy.types.Object]: A list of duplicated objects.
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Raises:
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AssertionError: If the number of selected objects in the context is not equal to 1 or if the selected object is not the same as the object to be duplicated.
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"""
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for o in context.selected_objects:
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o.select_set(False)
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object_to_duplicate.select_set(True)
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assert len(context.selected_objects) == 1
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assert context.selected_objects[0] == object_to_duplicate
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last_selected_objects = result_objects = [object_to_duplicate]
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while len(result_objects) < target_count:
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bpy.ops.object.duplicate()
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result_objects.extend(context.selected_objects)
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remain = target_count - len(result_objects) - len(context.selected_objects)
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if remain < 0:
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last_selected_objects = context.selected_objects
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for i in range(-remain):
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last_selected_objects[i].select_set(False)
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else:
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for i in range(min(remain, len(last_selected_objects))):
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last_selected_objects[i].select_set(True)
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last_selected_objects = context.selected_objects
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assert len(result_objects) == target_count
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return result_objects
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@staticmethod
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def find_user_layer_collection_by_object(context: bpy.types.Context, target_object: bpy.types.Object) -> Optional[bpy.types.LayerCollection]:
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"""
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Finds the layer collection that contains the given target_object in the user's collections.
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Args:
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context (bpy.types.Context): The Blender context.
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target_object (bpy.types.Object): The target object to find the layer collection for.
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Returns:
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Optional[bpy.types.LayerCollection]: The layer collection that contains the target_object, or None if not found.
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"""
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scene_layer_collection: bpy.types.LayerCollection = context.view_layer.layer_collection
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def find_layer_collection_by_name(layer_collection: bpy.types.LayerCollection, name: str) -> Optional[bpy.types.LayerCollection]:
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if layer_collection.name == name:
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return layer_collection
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child_layer_collection: bpy.types.LayerCollection
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for child_layer_collection in layer_collection.children:
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found = find_layer_collection_by_name(child_layer_collection, name)
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if found is not None:
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return found
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return None
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user_collection: bpy.types.Collection
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for user_collection in target_object.users_collection:
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found = find_layer_collection_by_name(scene_layer_collection, user_collection.name)
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if found is not None:
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return found
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return None
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@staticmethod
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@contextlib.contextmanager
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def temp_override_active_layer_collection(context: bpy.types.Context, target_object: bpy.types.Object) -> Generator[bpy.types.Context, None, None]:
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"""
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Context manager to temporarily override the active_layer_collection that contains the target object.
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This context manager allows you to temporarily change the active_layer_collection in the given context to the one that contains the target object.
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It ensures that the original active_layer_collection is restored after the context is exited.
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Args:
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context (bpy.types.Context): The context in which the active_layer_collection will be overridden.
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target_object (bpy.types.Object): The target object whose layer collection will be set as the active_layer_collection.
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Yields:
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bpy.types.Context: The modified context with the active_layer_collection overridden.
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Example:
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with FnContext.temp_override_active_layer_collection(context, target_object):
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# Perform operations with the modified context
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bpy.ops.object.select_all(action='DESELECT')
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target_object.select_set(True)
|
|
bpy.ops.object.delete()
|
|
|
|
"""
|
|
original_layer_collection = context.view_layer.active_layer_collection
|
|
target_layer_collection = FnContext.find_user_layer_collection_by_object(context, target_object)
|
|
if target_layer_collection is not None:
|
|
context.view_layer.active_layer_collection = target_layer_collection
|
|
try:
|
|
yield context
|
|
finally:
|
|
if context.view_layer.active_layer_collection.name != original_layer_collection.name:
|
|
context.view_layer.active_layer_collection = original_layer_collection
|
|
|
|
@staticmethod
|
|
def __get_addon_preferences(context: bpy.types.Context) -> Optional[bpy.types.AddonPreferences]:
|
|
addon: bpy.types.Addon = context.preferences.addons.get(__package__, None)
|
|
return addon.preferences if addon else None
|
|
|
|
@staticmethod
|
|
def get_addon_preferences_attribute(context: bpy.types.Context, attribute_name: str, default_value: ADDON_PREFERENCE_ATTRIBUTE_VALUE_TYPE = None) -> ADDON_PREFERENCE_ATTRIBUTE_VALUE_TYPE:
|
|
return getattr(FnContext.__get_addon_preferences(context), attribute_name, default_value)
|
|
|
|
@staticmethod
|
|
def temp_override_objects(
|
|
context: bpy.types.Context,
|
|
window: Optional[bpy.types.Window] = None,
|
|
area: Optional[bpy.types.Area] = None,
|
|
region: Optional[bpy.types.Region] = None,
|
|
active_object: Optional[bpy.types.Object] = None,
|
|
selected_objects: Optional[List[bpy.types.Object]] = None,
|
|
**keywords,
|
|
) -> Generator[bpy.types.Context, None, None]:
|
|
if active_object is not None:
|
|
keywords["active_object"] = active_object
|
|
keywords["object"] = active_object
|
|
|
|
if selected_objects is not None:
|
|
keywords["selected_objects"] = selected_objects
|
|
keywords["selected_editable_objects"] = selected_objects
|
|
|
|
return context.temp_override(window=window, area=area, region=region, **keywords)
|