forked from bartvdbraak/blender
942 lines
32 KiB
Python
942 lines
32 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8-80 compliant>
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import bpy
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from bpy.types import Operator
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from bpy.props import (StringProperty,
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BoolProperty,
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EnumProperty,
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IntProperty,
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FloatProperty)
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class SelectPattern(Operator):
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"""Select objects matching a naming pattern"""
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bl_idname = "object.select_pattern"
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bl_label = "Select Pattern"
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bl_options = {'REGISTER', 'UNDO'}
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pattern = StringProperty(
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name="Pattern",
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description="Name filter using '*', '?' and "
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"'[abc]' unix style wildcards",
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maxlen=64,
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default="*",
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)
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case_sensitive = BoolProperty(
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name="Case Sensitive",
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description="Do a case sensitive compare",
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default=False,
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)
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extend = BoolProperty(
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name="Extend",
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description="Extend the existing selection",
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default=True,
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)
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def execute(self, context):
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import fnmatch
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if self.case_sensitive:
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pattern_match = fnmatch.fnmatchcase
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else:
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pattern_match = (lambda a, b:
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fnmatch.fnmatchcase(a.upper(), b.upper()))
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is_ebone = False
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obj = context.object
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if obj and obj.mode == 'POSE':
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items = obj.data.bones
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if not self.extend:
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bpy.ops.pose.select_all(action='DESELECT')
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elif obj and obj.type == 'ARMATURE' and obj.mode == 'EDIT':
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items = obj.data.edit_bones
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if not self.extend:
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bpy.ops.armature.select_all(action='DESELECT')
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is_ebone = True
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else:
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items = context.visible_objects
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if not self.extend:
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bpy.ops.object.select_all(action='DESELECT')
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# Can be pose bones or objects
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for item in items:
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if pattern_match(item.name, self.pattern):
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item.select = True
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# hrmf, perhaps there should be a utility function for this.
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if is_ebone:
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item.select_head = True
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item.select_tail = True
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if item.use_connect:
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item_parent = item.parent
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if item_parent is not None:
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item_parent.select_tail = True
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return {'FINISHED'}
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def invoke(self, context, event):
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wm = context.window_manager
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return wm.invoke_props_popup(self, event)
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def draw(self, context):
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layout = self.layout
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layout.prop(self, "pattern")
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row = layout.row()
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row.prop(self, "case_sensitive")
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row.prop(self, "extend")
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class SelectCamera(Operator):
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"""Select the active camera"""
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bl_idname = "object.select_camera"
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bl_label = "Select Camera"
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bl_options = {'REGISTER', 'UNDO'}
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extend = BoolProperty(
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name="Extend",
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description="Extend the selection",
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default=False
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)
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def execute(self, context):
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scene = context.scene
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view = context.space_data
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if view.type == 'VIEW_3D' and not view.lock_camera_and_layers:
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camera = view.camera
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else:
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camera = scene.camera
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if camera is None:
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self.report({'WARNING'}, "No camera found")
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elif camera.name not in scene.objects:
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self.report({'WARNING'}, "Active camera is not in this scene")
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else:
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if not self.extend:
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bpy.ops.object.select_all(action='DESELECT')
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scene.objects.active = camera
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camera.hide = False
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camera.select = True
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return {'FINISHED'}
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return {'CANCELLED'}
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class SelectHierarchy(Operator):
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"""Select object relative to the active object's position """ \
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"""in the hierarchy"""
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bl_idname = "object.select_hierarchy"
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bl_label = "Select Hierarchy"
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bl_options = {'REGISTER', 'UNDO'}
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direction = EnumProperty(
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items=(('PARENT', "Parent", ""),
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('CHILD', "Child", ""),
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),
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name="Direction",
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description="Direction to select in the hierarchy",
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default='PARENT')
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extend = BoolProperty(
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name="Extend",
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description="Extend the existing selection",
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default=False,
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)
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@classmethod
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def poll(cls, context):
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return context.object
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def execute(self, context):
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scene = context.scene
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select_new = []
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act_new = None
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selected_objects = context.selected_objects
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obj_act = context.object
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if context.object not in selected_objects:
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selected_objects.append(context.object)
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if self.direction == 'PARENT':
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for obj in selected_objects:
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parent = obj.parent
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if parent:
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if obj_act == obj:
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act_new = parent
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select_new.append(parent)
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else:
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for obj in selected_objects:
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select_new.extend(obj.children)
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if select_new:
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select_new.sort(key=lambda obj_iter: obj_iter.name)
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act_new = select_new[0]
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# don't edit any object settings above this
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if select_new:
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if not self.extend:
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bpy.ops.object.select_all(action='DESELECT')
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for obj in select_new:
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obj.select = True
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scene.objects.active = act_new
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return {'FINISHED'}
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return {'CANCELLED'}
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class SubdivisionSet(Operator):
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"""Sets a Subdivision Surface Level (1-5)"""
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bl_idname = "object.subdivision_set"
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bl_label = "Subdivision Set"
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bl_options = {'REGISTER', 'UNDO'}
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level = IntProperty(
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name="Level",
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min=-100, max=100,
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soft_min=-6, soft_max=6,
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default=1,
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)
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relative = BoolProperty(
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name="Relative",
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description=("Apply the subsurf level as an offset "
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"relative to the current level"),
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default=False,
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)
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@classmethod
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def poll(cls, context):
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obs = context.selected_editable_objects
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return (obs is not None)
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def execute(self, context):
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level = self.level
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relative = self.relative
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if relative and level == 0:
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return {'CANCELLED'} # nothing to do
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if not relative and level < 0:
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self.level = level = 0
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def set_object_subd(obj):
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for mod in obj.modifiers:
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if mod.type == 'MULTIRES':
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if not relative:
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if level <= mod.total_levels:
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if obj.mode == 'SCULPT':
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if mod.sculpt_levels != level:
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mod.sculpt_levels = level
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elif obj.mode == 'OBJECT':
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if mod.levels != level:
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mod.levels = level
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return
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else:
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if obj.mode == 'SCULPT':
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if mod.sculpt_levels + level <= mod.total_levels:
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mod.sculpt_levels += level
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elif obj.mode == 'OBJECT':
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if mod.levels + level <= mod.total_levels:
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mod.levels += level
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return
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elif mod.type == 'SUBSURF':
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if relative:
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mod.levels += level
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else:
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if mod.levels != level:
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mod.levels = level
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return
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# add a new modifier
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try:
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mod = obj.modifiers.new("Subsurf", 'SUBSURF')
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mod.levels = level
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except:
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self.report({'WARNING'},
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"Modifiers cannot be added to object: " + obj.name)
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for obj in context.selected_editable_objects:
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set_object_subd(obj)
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return {'FINISHED'}
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class ShapeTransfer(Operator):
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"""Copy another selected objects active shape to this one by """ \
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"""applying the relative offsets"""
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bl_idname = "object.shape_key_transfer"
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bl_label = "Transfer Shape Key"
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bl_options = {'REGISTER', 'UNDO'}
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mode = EnumProperty(
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items=(('OFFSET',
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"Offset",
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"Apply the relative positional offset",
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),
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('RELATIVE_FACE',
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"Relative Face",
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"Calculate relative position (using faces)",
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),
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('RELATIVE_EDGE',
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"Relative Edge",
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"Calculate relative position (using edges)",
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),
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),
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name="Transformation Mode",
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description="Relative shape positions to the new shape method",
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default='OFFSET',
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)
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use_clamp = BoolProperty(
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name="Clamp Offset",
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description=("Clamp the transformation to the distance each "
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"vertex moves in the original shape"),
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default=False,
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)
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def _main(self, ob_act, objects, mode='OFFSET', use_clamp=False):
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def me_nos(verts):
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return [v.normal.copy() for v in verts]
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def me_cos(verts):
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return [v.co.copy() for v in verts]
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def ob_add_shape(ob, name):
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me = ob.data
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key = ob.shape_key_add(from_mix=False)
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if len(me.shape_keys.key_blocks) == 1:
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key.name = "Basis"
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key = ob.shape_key_add(from_mix=False) # we need a rest
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key.name = name
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ob.active_shape_key_index = len(me.shape_keys.key_blocks) - 1
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ob.show_only_shape_key = True
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from mathutils.geometry import barycentric_transform
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from mathutils import Vector
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if use_clamp and mode == 'OFFSET':
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use_clamp = False
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me = ob_act.data
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orig_key_name = ob_act.active_shape_key.name
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orig_shape_coords = me_cos(ob_act.active_shape_key.data)
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orig_normals = me_nos(me.vertices)
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# actual mesh vertex location isn't as reliable as the base shape :S
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#~ orig_coords = me_cos(me.vertices)
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orig_coords = me_cos(me.shape_keys.key_blocks[0].data)
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for ob_other in objects:
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me_other = ob_other.data
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if len(me_other.vertices) != len(me.vertices):
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self.report({'WARNING'},
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("Skipping '%s', "
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"vertex count differs") % ob_other.name)
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continue
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target_normals = me_nos(me_other.vertices)
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if me_other.shape_keys:
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target_coords = me_cos(me_other.shape_keys.key_blocks[0].data)
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else:
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target_coords = me_cos(me_other.vertices)
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ob_add_shape(ob_other, orig_key_name)
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# editing the final coords, only list that stores wrapped coords
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target_shape_coords = [v.co for v in
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ob_other.active_shape_key.data]
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median_coords = [[] for i in range(len(me.vertices))]
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# Method 1, edge
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if mode == 'OFFSET':
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for i, vert_cos in enumerate(median_coords):
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vert_cos.append(target_coords[i] +
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(orig_shape_coords[i] - orig_coords[i]))
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elif mode == 'RELATIVE_FACE':
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for poly in me.polygons:
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idxs = poly.vertices[:]
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v_before = idxs[-2]
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v = idxs[-1]
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for v_after in idxs:
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pt = barycentric_transform(orig_shape_coords[v],
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orig_coords[v_before],
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orig_coords[v],
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orig_coords[v_after],
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target_coords[v_before],
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target_coords[v],
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target_coords[v_after],
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)
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median_coords[v].append(pt)
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v_before = v
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v = v_after
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elif mode == 'RELATIVE_EDGE':
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for ed in me.edges:
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i1, i2 = ed.vertices
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v1, v2 = orig_coords[i1], orig_coords[i2]
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edge_length = (v1 - v2).length
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n1loc = v1 + orig_normals[i1] * edge_length
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n2loc = v2 + orig_normals[i2] * edge_length
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# now get the target nloc's
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v1_to, v2_to = target_coords[i1], target_coords[i2]
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edlen_to = (v1_to - v2_to).length
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n1loc_to = v1_to + target_normals[i1] * edlen_to
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n2loc_to = v2_to + target_normals[i2] * edlen_to
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pt = barycentric_transform(orig_shape_coords[i1],
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v2, v1, n1loc,
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v2_to, v1_to, n1loc_to)
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median_coords[i1].append(pt)
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pt = barycentric_transform(orig_shape_coords[i2],
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v1, v2, n2loc,
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v1_to, v2_to, n2loc_to)
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median_coords[i2].append(pt)
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# apply the offsets to the new shape
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from functools import reduce
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VectorAdd = Vector.__add__
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for i, vert_cos in enumerate(median_coords):
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if vert_cos:
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co = reduce(VectorAdd, vert_cos) / len(vert_cos)
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if use_clamp:
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# clamp to the same movement as the original
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# breaks copy between different scaled meshes.
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len_from = (orig_shape_coords[i] -
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orig_coords[i]).length
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ofs = co - target_coords[i]
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ofs.length = len_from
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co = target_coords[i] + ofs
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target_shape_coords[i][:] = co
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return {'FINISHED'}
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@classmethod
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def poll(cls, context):
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obj = context.active_object
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return (obj and obj.mode != 'EDIT')
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def execute(self, context):
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ob_act = context.active_object
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objects = [ob for ob in context.selected_editable_objects
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if ob != ob_act]
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if 1: # swap from/to, means we cant copy to many at once.
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if len(objects) != 1:
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self.report({'ERROR'},
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("Expected one other selected "
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"mesh object to copy from"))
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return {'CANCELLED'}
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ob_act, objects = objects[0], [ob_act]
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if ob_act.type != 'MESH':
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self.report({'ERROR'}, "Other object is not a mesh")
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return {'CANCELLED'}
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if ob_act.active_shape_key is None:
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self.report({'ERROR'}, "Other object has no shape key")
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return {'CANCELLED'}
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return self._main(ob_act, objects, self.mode, self.use_clamp)
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class JoinUVs(Operator):
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"""Transfer UV Maps from active to selected objects """ \
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"""(needs matching geometry)"""
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bl_idname = "object.join_uvs"
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bl_label = "Transfer UV Maps"
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bl_options = {'REGISTER', 'UNDO'}
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@classmethod
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def poll(cls, context):
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obj = context.active_object
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return (obj and obj.type == 'MESH')
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def _main(self, context):
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import array
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obj = context.active_object
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mesh = obj.data
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is_editmode = (obj.mode == 'EDIT')
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if is_editmode:
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bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
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if not mesh.uv_textures:
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self.report({'WARNING'},
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"Object: %s, Mesh: '%s' has no UVs"
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% (obj.name, mesh.name))
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else:
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nbr_loops = len(mesh.loops)
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# seems to be the fastest way to create an array
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uv_array = array.array('f', [0.0] * 2) * nbr_loops
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mesh.uv_layers.active.data.foreach_get("uv", uv_array)
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objects = context.selected_editable_objects[:]
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for obj_other in objects:
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if obj_other.type == 'MESH':
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obj_other.data.tag = False
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for obj_other in objects:
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if obj_other != obj and obj_other.type == 'MESH':
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mesh_other = obj_other.data
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if mesh_other != mesh:
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if mesh_other.tag is False:
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mesh_other.tag = True
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if len(mesh_other.loops) != nbr_loops:
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self.report({'WARNING'}, "Object: %s, Mesh: "
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"'%s' has %d loops (for %d faces),"
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" expected %d\n"
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% (obj_other.name,
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mesh_other.name,
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len(mesh_other.loops),
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len(mesh_other.polygons),
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nbr_loops,
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),
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)
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else:
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uv_other = mesh_other.uv_layers.active
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if not uv_other:
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mesh_other.uv_textures.new()
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uv_other = mesh_other.uv_layers.active
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if not uv_other:
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self.report({'ERROR'}, "Could not add "
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"a new UV map tp object "
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"'%s' (Mesh '%s')\n"
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% (obj_other.name,
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mesh_other.name,
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),
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)
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# finally do the copy
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uv_other.data.foreach_set("uv", uv_array)
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|
|
if is_editmode:
|
|
bpy.ops.object.mode_set(mode='EDIT', toggle=False)
|
|
|
|
def execute(self, context):
|
|
self._main(context)
|
|
return {'FINISHED'}
|
|
|
|
|
|
class MakeDupliFace(Operator):
|
|
"""Converts objects into dupli-face instanced"""
|
|
bl_idname = "object.make_dupli_face"
|
|
bl_label = "Make Dupli-Face"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
def _main(self, context):
|
|
from mathutils import Vector
|
|
|
|
SCALE_FAC = 0.01
|
|
offset = 0.5 * SCALE_FAC
|
|
base_tri = (Vector((-offset, -offset, 0.0)),
|
|
Vector((+offset, -offset, 0.0)),
|
|
Vector((+offset, +offset, 0.0)),
|
|
Vector((-offset, +offset, 0.0)),
|
|
)
|
|
|
|
def matrix_to_quad(matrix):
|
|
# scale = matrix.median_scale
|
|
trans = matrix.to_translation()
|
|
rot = matrix.to_3x3() # also contains scale
|
|
|
|
return [(rot * b) + trans for b in base_tri]
|
|
scene = context.scene
|
|
linked = {}
|
|
for obj in context.selected_objects:
|
|
data = obj.data
|
|
if data:
|
|
linked.setdefault(data, []).append(obj)
|
|
|
|
for data, objects in linked.items():
|
|
face_verts = [axis for obj in objects
|
|
for v in matrix_to_quad(obj.matrix_world)
|
|
for axis in v]
|
|
nbr_verts = len(face_verts) // 3
|
|
nbr_faces = nbr_verts // 4
|
|
|
|
faces = list(range(nbr_verts))
|
|
|
|
mesh = bpy.data.meshes.new(data.name + "_dupli")
|
|
|
|
mesh.vertices.add(nbr_verts)
|
|
mesh.loops.add(nbr_faces * 4) # Safer than nbr_verts.
|
|
mesh.polygons.add(nbr_faces)
|
|
|
|
mesh.vertices.foreach_set("co", face_verts)
|
|
mesh.loops.foreach_set("vertex_index", faces)
|
|
mesh.polygons.foreach_set("loop_start", range(0, nbr_faces * 4, 4))
|
|
mesh.polygons.foreach_set("loop_total", (4,) * nbr_faces)
|
|
mesh.update() # generates edge data
|
|
|
|
# pick an object to use
|
|
obj = objects[0]
|
|
|
|
ob_new = bpy.data.objects.new(mesh.name, mesh)
|
|
base = scene.objects.link(ob_new)
|
|
base.layers[:] = obj.layers
|
|
|
|
ob_inst = bpy.data.objects.new(data.name, data)
|
|
base = scene.objects.link(ob_inst)
|
|
base.layers[:] = obj.layers
|
|
|
|
for obj in objects:
|
|
scene.objects.unlink(obj)
|
|
|
|
ob_new.dupli_type = 'FACES'
|
|
ob_inst.parent = ob_new
|
|
ob_new.use_dupli_faces_scale = True
|
|
ob_new.dupli_faces_scale = 1.0 / SCALE_FAC
|
|
|
|
def execute(self, context):
|
|
self._main(context)
|
|
return {'FINISHED'}
|
|
|
|
|
|
class IsolateTypeRender(Operator):
|
|
"""Hide unselected render objects of same type as active """ \
|
|
"""by setting the hide render flag"""
|
|
bl_idname = "object.isolate_type_render"
|
|
bl_label = "Restrict Render Unselected"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
def execute(self, context):
|
|
act_type = context.object.type
|
|
|
|
for obj in context.visible_objects:
|
|
|
|
if obj.select:
|
|
obj.hide_render = False
|
|
else:
|
|
if obj.type == act_type:
|
|
obj.hide_render = True
|
|
|
|
return {'FINISHED'}
|
|
|
|
|
|
class ClearAllRestrictRender(Operator):
|
|
"""Reveal all render objects by setting the hide render flag"""
|
|
bl_idname = "object.hide_render_clear_all"
|
|
bl_label = "Clear All Restrict Render"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
def execute(self, context):
|
|
for obj in context.scene.objects:
|
|
obj.hide_render = False
|
|
return {'FINISHED'}
|
|
|
|
|
|
class TransformsToDeltasAnim(Operator):
|
|
"""Convert object animation for normal transforms to delta transforms"""
|
|
bl_idname = "object.anim_transforms_to_deltas"
|
|
bl_label = "Animated Transforms to Deltas"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
@classmethod
|
|
def poll(cls, context):
|
|
obs = context.selected_editable_objects
|
|
return (obs is not None)
|
|
|
|
def execute(self, context):
|
|
# map from standard transform paths to "new" transform paths
|
|
STANDARD_TO_DELTA_PATHS = {
|
|
"location" : "delta_location",
|
|
"rotation_euler" : "delta_rotation_euler",
|
|
"rotation_quaternion" : "delta_rotation_quaternion",
|
|
#"rotation_axis_angle" : "delta_rotation_axis_angle",
|
|
"scale" : "delta_scale"
|
|
}
|
|
DELTA_PATHS = STANDARD_TO_DELTA_PATHS.values()
|
|
|
|
# try to apply on each selected object
|
|
success = False
|
|
for obj in context.selected_editable_objects:
|
|
adt = obj.animation_data
|
|
if (adt is None) or (adt.action is None):
|
|
self.report({'WARNING'},
|
|
"No animation data to convert on object: %r" %
|
|
obj.name)
|
|
continue
|
|
|
|
# first pass over F-Curves: ensure that we don't have conflicting
|
|
# transforms already (e.g. if this was applied already) [#29110]
|
|
existingFCurves = {}
|
|
for fcu in adt.action.fcurves:
|
|
# get "delta" path - i.e. the final paths which may clash
|
|
path = fcu.data_path
|
|
if path in STANDARD_TO_DELTA_PATHS:
|
|
# to be converted - conflicts may exist...
|
|
dpath = STANDARD_TO_DELTA_PATHS[path]
|
|
elif path in DELTA_PATHS:
|
|
# already delta - check for conflicts...
|
|
dpath = path
|
|
else:
|
|
# non-transform - ignore
|
|
continue
|
|
|
|
# a delta path like this for the same index shouldn't
|
|
# exist already, otherwise we've got a conflict
|
|
if dpath in existingFCurves:
|
|
# ensure that this index hasn't occurred before
|
|
if fcu.array_index in existingFCurves[dpath]:
|
|
# conflict
|
|
self.report({'ERROR'},
|
|
"Object '%r' already has '%r' F-Curve(s). "
|
|
"Remove these before trying again" %
|
|
(obj.name, dpath))
|
|
return {'CANCELLED'}
|
|
else:
|
|
# no conflict here
|
|
existingFCurves[dpath] += [fcu.array_index]
|
|
else:
|
|
# no conflict yet
|
|
existingFCurves[dpath] = [fcu.array_index]
|
|
|
|
# if F-Curve uses standard transform path
|
|
# just append "delta_" to this path
|
|
for fcu in adt.action.fcurves:
|
|
if fcu.data_path == "location":
|
|
fcu.data_path = "delta_location"
|
|
obj.location.zero()
|
|
elif fcu.data_path == "rotation_euler":
|
|
fcu.data_path = "delta_rotation_euler"
|
|
obj.rotation_euler.zero()
|
|
elif fcu.data_path == "rotation_quaternion":
|
|
fcu.data_path = "delta_rotation_quaternion"
|
|
obj.rotation_quaternion.identity()
|
|
# XXX: currently not implemented
|
|
#~ elif fcu.data_path == "rotation_axis_angle":
|
|
#~ fcu.data_path = "delta_rotation_axis_angle"
|
|
elif fcu.data_path == "scale":
|
|
fcu.data_path = "delta_scale"
|
|
obj.scale = 1.0, 1.0, 1.0
|
|
|
|
# hack: force animsys flush by changing frame, so that deltas get run
|
|
context.scene.frame_set(context.scene.frame_current)
|
|
|
|
return {'FINISHED'}
|
|
|
|
|
|
class DupliOffsetFromCursor(Operator):
|
|
"""Set offset used for DupliGroup based on cursor position"""
|
|
bl_idname = "object.dupli_offset_from_cursor"
|
|
bl_label = "Set Offset From Cursor"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
group = IntProperty(
|
|
name="Group",
|
|
description="Group index to set offset for",
|
|
default=0,
|
|
)
|
|
|
|
@classmethod
|
|
def poll(cls, context):
|
|
return (context.active_object is not None)
|
|
|
|
def execute(self, context):
|
|
scene = context.scene
|
|
ob = context.active_object
|
|
group = self.group
|
|
|
|
ob.users_group[group].dupli_offset = scene.cursor_location
|
|
|
|
return {'FINISHED'}
|
|
|
|
|
|
class LodByName(Operator):
|
|
"""Add levels of detail to this object based on object names"""
|
|
bl_idname = "object.lod_by_name"
|
|
bl_label = "Setup Levels of Detail By Name"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
@classmethod
|
|
def poll(cls, context):
|
|
return (context.active_object is not None)
|
|
|
|
def execute(self, context):
|
|
scene = context.scene
|
|
ob = context.active_object
|
|
|
|
prefix = ""
|
|
suffix = ""
|
|
name = ""
|
|
if ob.name.lower().startswith("lod0"):
|
|
prefix = ob.name[:4]
|
|
name = ob.name[4:]
|
|
elif ob.name.lower().endswith("lod0"):
|
|
name = ob.name[:-4]
|
|
suffix = ob.name[-4:]
|
|
else:
|
|
return {'CANCELLED'}
|
|
|
|
level = 0
|
|
while True:
|
|
level += 1
|
|
|
|
if prefix:
|
|
prefix = prefix[:3] + str(level)
|
|
if suffix:
|
|
suffix = suffix[:3] + str(level)
|
|
|
|
lod = None
|
|
try:
|
|
lod = bpy.data.objects[prefix + name + suffix]
|
|
except KeyError:
|
|
break
|
|
|
|
try:
|
|
ob.lod_levels[level]
|
|
except IndexError:
|
|
bpy.ops.object.lod_add()
|
|
|
|
ob.lod_levels[level].object = lod
|
|
|
|
return {'FINISHED'}
|
|
|
|
|
|
class LodClearAll(Operator):
|
|
"""Remove all levels of detail from this object"""
|
|
bl_idname = "object.lod_clear_all"
|
|
bl_label = "Clear All Levels of Detail"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
@classmethod
|
|
def poll(cls, context):
|
|
return (context.active_object is not None)
|
|
|
|
def execute(self, context):
|
|
scene = context.scene
|
|
ob = context.active_object
|
|
|
|
if ob.lod_levels:
|
|
while 'CANCELLED' not in bpy.ops.object.lod_remove():
|
|
pass
|
|
|
|
return {'FINISHED'}
|
|
|
|
|
|
class LodGenerate(Operator):
|
|
"""Generate levels of detail using the decimate modifier"""
|
|
bl_idname = "object.lod_generate"
|
|
bl_label = "Generate Levels of Detail"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
count = IntProperty(
|
|
name="Count",
|
|
default=3,
|
|
)
|
|
target = FloatProperty(
|
|
name="Target Size",
|
|
min=0.0, max=1.0,
|
|
default=0.1,
|
|
)
|
|
package = BoolProperty(
|
|
name="Package into Group",
|
|
default=False,
|
|
)
|
|
|
|
@classmethod
|
|
def poll(cls, context):
|
|
return (context.active_object is not None)
|
|
|
|
def execute(self, context):
|
|
scene = bpy.context.scene
|
|
ob = scene.objects.active
|
|
|
|
lod_name = ob.name
|
|
lod_suffix = "lod"
|
|
lod_prefix = ""
|
|
if lod_name.lower().endswith("lod0"):
|
|
lod_suffix = lod_name[-3:-1]
|
|
lod_name = lod_name[:-3]
|
|
elif lod_name.lower().startswith("lod0"):
|
|
lod_suffix = ""
|
|
lod_prefix = lod_name[:3]
|
|
lod_name = lod_name[4:]
|
|
|
|
group_name = lod_name.strip(' ._')
|
|
if self.package:
|
|
try:
|
|
bpy.ops.object.group_link(group=group_name)
|
|
except TypeError:
|
|
bpy.ops.group.create(name=group_name)
|
|
|
|
step = (1.0 - self.target) / (self.count - 1)
|
|
for i in range(1, self.count):
|
|
scene.objects.active = ob
|
|
bpy.ops.object.duplicate()
|
|
lod = bpy.context.selected_objects[0]
|
|
|
|
scene.objects.active = ob
|
|
bpy.ops.object.lod_add()
|
|
scene.objects.active = lod
|
|
|
|
if lod_prefix:
|
|
lod.name = lod_prefix + str(i) + lod_name
|
|
else:
|
|
lod.name = lod_name + lod_suffix + str(i)
|
|
|
|
lod.location.y = ob.location.y + 3.0 * i
|
|
|
|
if i == 1:
|
|
modifier = lod.modifiers.new("lod_decimate", "DECIMATE")
|
|
else:
|
|
modifier = lod.modifiers[-1]
|
|
|
|
modifier.ratio = 1.0 - step * i
|
|
|
|
ob.lod_levels[i].object = lod
|
|
|
|
if self.package:
|
|
bpy.ops.object.group_link(group=group_name)
|
|
lod.parent = ob
|
|
|
|
if self.package:
|
|
for level in ob.lod_levels[1:]:
|
|
level.object.hide = level.object.hide_render = True
|
|
|
|
lod.select = False
|
|
ob.select = True
|
|
scene.objects.active = ob
|
|
|
|
return {'FINISHED'}
|
|
|