diff options
Diffstat (limited to 'rigify/utils')
| -rw-r--r-- | rigify/utils/widgets.py | 101 |
1 files changed, 82 insertions, 19 deletions
diff --git a/rigify/utils/widgets.py b/rigify/utils/widgets.py index a8691349..3f0bf252 100644 --- a/rigify/utils/widgets.py +++ b/rigify/utils/widgets.py @@ -28,6 +28,7 @@ from itertools import count from .errors import MetarigError from .collections import ensure_widget_collection +from .naming import change_name_side, get_name_side, Side WGT_PREFIX = "WGT-" # Prefix for widget objects @@ -56,47 +57,113 @@ def obj_to_bone(obj, rig, bone_name, bone_transform_name=None): elif bone.custom_shape_transform: bone = bone.custom_shape_transform - shape_mat = Matrix.Translation(loc) @ (Euler(rot).to_matrix() @ Matrix.Diagonal(scale)).to_4x4() + shape_mat = Matrix.LocRotScale(loc, Euler(rot), scale) obj.rotation_mode = 'XYZ' obj.matrix_basis = rig.matrix_world @ bone.bone.matrix_local @ shape_mat -def create_widget(rig, bone_name, bone_transform_name=None, *, widget_name=None, widget_force_new=False): +def create_widget(rig, bone_name, bone_transform_name=None, *, widget_name=None, widget_force_new=False, subsurf=0): """ Creates an empty widget object for a bone, and returns the object. """ assert rig.mode != 'EDIT' - obj_name = widget_name or WGT_PREFIX + rig.name + '_' + bone_name + from ..base_generate import BaseGenerator + scene = bpy.context.scene - collection = ensure_widget_collection(bpy.context, 'WGTS_' + rig.name) + bone = rig.pose.bones[bone_name] + + # Access the current generator instance when generating (ugh, globals) + generator = BaseGenerator.instance + + if generator: + collection = generator.widget_collection + else: + collection = ensure_widget_collection(bpy.context, 'WGTS_' + rig.name) + + use_mirror = generator and generator.use_mirror_widgets + + if use_mirror: + bone_mid_name = change_name_side(bone_name, Side.MIDDLE) + + obj_name = widget_name or WGT_PREFIX + rig.name + '_' + bone_name reuse_mesh = None # Check if it already exists in the scene if not widget_force_new: - if obj_name in scene.objects: + obj = None + + if generator: + # Check if the widget was already generated + if bone_name in generator.new_widget_table: + return None + + # If re-generating, check widgets used by the previous rig + obj = generator.old_widget_table.get(bone_name) + + if not obj: + # Search the scene by name + obj = scene.objects.get(obj_name) + + if obj: + # Record the generated widget + if generator: + generator.new_widget_table[bone_name] = obj + + # Re-add to the collection if not there for some reason + if obj.name not in collection.objects: + collection.objects.link(obj) + + # Flip scale for originally mirrored widgets + if obj.scale.x < 0 and bone.custom_shape_scale_xyz.x > 0: + bone.custom_shape_scale_xyz.x *= -1 + # Move object to bone position, in case it changed - obj = scene.objects[obj_name] obj_to_bone(obj, rig, bone_name, bone_transform_name) return None - # Delete object if it exists in blend data but not scene data. - # This is necessary so we can then create the object without - # name conflicts. - if obj_name in bpy.data.objects: - bpy.data.objects.remove(bpy.data.objects[obj_name]) - # Create a linked duplicate of the widget assigned in the metarig reuse_widget = rig.pose.bones[bone_name].custom_shape if reuse_widget: + subsurf = 0 reuse_mesh = reuse_widget.data - # Create mesh object - mesh = reuse_mesh or bpy.data.meshes.new(obj_name) + # Create a linked duplicate with the mirror widget + if not reuse_mesh and use_mirror and bone_mid_name != bone_name: + reuse_mesh = generator.widget_mirror_mesh.get(bone_mid_name) + + # Create an empty mesh datablock if not linking + if reuse_mesh: + mesh = reuse_mesh + + elif use_mirror and bone_mid_name != bone_name: + # When mirroring, untag side from mesh name, and remember it + mesh = bpy.data.meshes.new(change_name_side(obj_name, Side.MIDDLE)) + + generator.widget_mirror_mesh[bone_mid_name] = mesh + + else: + mesh = bpy.data.meshes.new(obj_name) + + # Create the object obj = bpy.data.objects.new(obj_name, mesh) collection.objects.link(obj) + # Add the subdivision surface modifier + if subsurf > 0: + mod = obj.modifiers.new("subsurf", 'SUBSURF') + mod.levels = subsurf + + # Record the generated widget + if generator: + generator.new_widget_table[bone_name] = obj + + # Flip scale for right side if mirroring widgets + if use_mirror and get_name_side(bone_name) == Side.RIGHT: + if bone.custom_shape_scale_xyz.x > 0: + bone.custom_shape_scale_xyz.x *= -1 + # Move object to bone position and set layers obj_to_bone(obj, rig, bone_name, bone_transform_name) @@ -187,7 +254,7 @@ def widget_generator(generate_func=None, *, register=None, subsurf=0): """ @functools.wraps(generate_func) def wrapper(rig, bone_name, bone_transform_name=None, widget_name=None, widget_force_new=False, **kwargs): - obj = create_widget(rig, bone_name, bone_transform_name, widget_name=widget_name, widget_force_new=widget_force_new) + obj = create_widget(rig, bone_name, bone_transform_name, widget_name=widget_name, widget_force_new=widget_force_new, subsurf=subsurf) if obj is not None: geom = GeometryData() @@ -197,10 +264,6 @@ def widget_generator(generate_func=None, *, register=None, subsurf=0): mesh.from_pydata(geom.verts, geom.edges, geom.faces) mesh.update() - if subsurf: - mod = obj.modifiers.new("subsurf", 'SUBSURF') - mod.levels = subsurf - return obj else: return None |