Rigify: changed rig type API. Disabled delta rig type.

I have updated the rig type API to be a bit clearer based on my
interactions with Kfir from PitchiPoy.

I've also disabled the "delta" rig type, as it is very obscure and
mostly just confuses people.

1 files changed, 77 insertions, 80 deletions

diff --git a/rigify/rigs/basic/copy_chain.py b/rigify/rigs/basic/copy_chain.py
index a56e65c3..4e426284 100644
--- a/rigify/rigs/basic/copy_chain.py
+++ b/rigify/rigs/basic/copy_chain.py
@@ -122,88 +122,85 @@ class Rig:
             for bone in ctrl_chain:
                 create_bone_widget(self.obj, bone)
 
-    @classmethod
-    def add_parameters(self, params):
-        """ Add the parameters of this rig type to the
-            RigifyParameters PropertyGroup
-        """
-        params.make_controls = bpy.props.BoolProperty(name="Controls", default=True, description="Create control bones for the copy")
-        params.make_deforms = bpy.props.BoolProperty(name="Deform", default=True, description="Create deform bones for the copy")
-
-    @classmethod
-    def parameters_ui(self, layout, obj, bone):
-        """ Create the ui for the rig parameters.
-        """
-        params = obj.pose.bones[bone].rigify_parameters
 
-        r = layout.row()
-        r.prop(params, "make_controls")
-        r = layout.row()
-        r.prop(params, "make_deforms")
+def add_parameters(params):
+    """ Add the parameters of this rig type to the
+        RigifyParameters PropertyGroup
+    """
+    params.make_controls = bpy.props.BoolProperty(name="Controls", default=True, description="Create control bones for the copy")
+    params.make_deforms = bpy.props.BoolProperty(name="Deform", default=True, description="Create deform bones for the copy")
 
-    @classmethod
-    def create_sample(self, obj):
-        """ Create a sample metarig for this rig type.
 
-        """
-        # generated by rigify.utils.write_metarig
-        bpy.ops.object.mode_set(mode='EDIT')
-        arm = obj.data
-
-        bones = {}
-
-        bone = arm.edit_bones.new('bone.01')
-        bone.head[:] = 0.0000, 0.0000, 0.0000
-        bone.tail[:] = 0.0000, 0.0000, 0.3333
-        bone.roll = 0.0000
-        bone.use_connect = False
-        bones['bone.01'] = bone.name
-        bone = arm.edit_bones.new('bone.02')
-        bone.head[:] = 0.0000, 0.0000, 0.3333
-        bone.tail[:] = 0.0000, 0.0000, 0.6667
-        bone.roll = 3.1416
-        bone.use_connect = True
-        bone.parent = arm.edit_bones[bones['bone.01']]
-        bones['bone.02'] = bone.name
-        bone = arm.edit_bones.new('bone.03')
-        bone.head[:] = 0.0000, 0.0000, 0.6667
-        bone.tail[:] = 0.0000, 0.0000, 1.0000
-        bone.roll = 3.1416
-        bone.use_connect = True
-        bone.parent = arm.edit_bones[bones['bone.02']]
-        bones['bone.03'] = bone.name
+def parameters_ui(layout, params):
+    """ Create the ui for the rig parameters.
+    """
+    r = layout.row()
+    r.prop(params, "make_controls")
+    r = layout.row()
+    r.prop(params, "make_deforms")
 
-        bpy.ops.object.mode_set(mode='OBJECT')
-        pbone = obj.pose.bones[bones['bone.01']]
-        pbone.rigify_type = 'basic.copy_chain'
-        pbone.lock_location = (False, False, False)
-        pbone.lock_rotation = (False, False, False)
-        pbone.lock_rotation_w = False
-        pbone.lock_scale = (False, False, False)
-        pbone.rotation_mode = 'QUATERNION'
-        pbone = obj.pose.bones[bones['bone.02']]
-        pbone.rigify_type = ''
-        pbone.lock_location = (False, False, False)
-        pbone.lock_rotation = (False, False, False)
-        pbone.lock_rotation_w = False
-        pbone.lock_scale = (False, False, False)
-        pbone.rotation_mode = 'QUATERNION'
-        pbone = obj.pose.bones[bones['bone.03']]
-        pbone.rigify_type = ''
-        pbone.lock_location = (False, False, False)
-        pbone.lock_rotation = (False, False, False)
-        pbone.lock_rotation_w = False
-        pbone.lock_scale = (False, False, False)
-        pbone.rotation_mode = 'QUATERNION'
 
-        bpy.ops.object.mode_set(mode='EDIT')
-        for bone in arm.edit_bones:
-            bone.select = False
-            bone.select_head = False
-            bone.select_tail = False
-        for b in bones:
-            bone = arm.edit_bones[bones[b]]
-            bone.select = True
-            bone.select_head = True
-            bone.select_tail = True
-            arm.edit_bones.active = bone
+def create_sample(obj):
+    """ Create a sample metarig for this rig type.
+    """
+    # generated by rigify.utils.write_metarig
+    bpy.ops.object.mode_set(mode='EDIT')
+    arm = obj.data
+
+    bones = {}
+
+    bone = arm.edit_bones.new('bone.01')
+    bone.head[:] = 0.0000, 0.0000, 0.0000
+    bone.tail[:] = 0.0000, 0.0000, 0.3333
+    bone.roll = 0.0000
+    bone.use_connect = False
+    bones['bone.01'] = bone.name
+    bone = arm.edit_bones.new('bone.02')
+    bone.head[:] = 0.0000, 0.0000, 0.3333
+    bone.tail[:] = 0.0000, 0.0000, 0.6667
+    bone.roll = 3.1416
+    bone.use_connect = True
+    bone.parent = arm.edit_bones[bones['bone.01']]
+    bones['bone.02'] = bone.name
+    bone = arm.edit_bones.new('bone.03')
+    bone.head[:] = 0.0000, 0.0000, 0.6667
+    bone.tail[:] = 0.0000, 0.0000, 1.0000
+    bone.roll = 3.1416
+    bone.use_connect = True
+    bone.parent = arm.edit_bones[bones['bone.02']]
+    bones['bone.03'] = bone.name
+
+    bpy.ops.object.mode_set(mode='OBJECT')
+    pbone = obj.pose.bones[bones['bone.01']]
+    pbone.rigify_type = 'basic.copy_chain'
+    pbone.lock_location = (False, False, False)
+    pbone.lock_rotation = (False, False, False)
+    pbone.lock_rotation_w = False
+    pbone.lock_scale = (False, False, False)
+    pbone.rotation_mode = 'QUATERNION'
+    pbone = obj.pose.bones[bones['bone.02']]
+    pbone.rigify_type = ''
+    pbone.lock_location = (False, False, False)
+    pbone.lock_rotation = (False, False, False)
+    pbone.lock_rotation_w = False
+    pbone.lock_scale = (False, False, False)
+    pbone.rotation_mode = 'QUATERNION'
+    pbone = obj.pose.bones[bones['bone.03']]
+    pbone.rigify_type = ''
+    pbone.lock_location = (False, False, False)
+    pbone.lock_rotation = (False, False, False)
+    pbone.lock_rotation_w = False
+    pbone.lock_scale = (False, False, False)
+    pbone.rotation_mode = 'QUATERNION'
+
+    bpy.ops.object.mode_set(mode='EDIT')
+    for bone in arm.edit_bones:
+        bone.select = False
+        bone.select_head = False
+        bone.select_tail = False
+    for b in bones:
+        bone = arm.edit_bones[bones[b]]
+        bone.select = True
+        bone.select_head = True
+        bone.select_tail = True
+        arm.edit_bones.active = bone