fixed jittering bones in unreal and rigify locked IK poles.

Author: jamesbaber1

send2ue/addon/__init__.py

@@ -15,7 +15,7 @@
 bl_info = {
     "name": "Send to Unreal",
     "author": "Epic Games Inc.",
-    "version": (1, 4, 8),   # addon plugin version
+    "version": (1, 4, 9),   # addon plugin version
     "blender": (2, 83, 0),  # minimum blender version
     "location": "Header > Pipeline > Export > Send to Unreal",
     "description": "Sends an asset to the first open Unreal Editor instance on your machine.",

send2ue/addon/functions/unreal.py

@@ -92,6 +92,7 @@ def import_asset(asset_data, properties):
             f'\t\toptions.set_editor_property("skeleton", skeleton_asset)',
             f'\t\toptions.set_editor_property("original_import_type", unreal.FBXImportType.FBXIT_ANIMATION)',
             f'\t\toptions.set_editor_property("mesh_type_to_import", unreal.FBXImportType.FBXIT_ANIMATION)',
+            f'\t\toptions.anim_sequence_import_data.set_editor_property("preserve_local_transform", True)',
             f'\telse:',
             f'\t\traise RuntimeError("Unreal could not find a skeleton here: {asset_data.get("skeleton_game_path")}")',
 

ue2rigify/addon/__init__.py

@@ -14,7 +14,7 @@
     "author": "Epic Games Inc.",
     "description": "Allows you to convert a given rig and its animations to a Rigify rig.",
     "blender": (2, 83, 0),
-    "version": (1, 3, 9),
+    "version": (1, 3, 10),
     "location": "3D View > Tools > UE to Rigify",
     "wiki_url": "https://github.com/EpicGames/BlenderTools/wiki/UE-to-Rigify-Home",
     "warning": "",

ue2rigify/addon/functions/scene.py

@@ -264,11 +264,6 @@ def set_fk_ik_switch_values(rig_object, value):
     :param object rig_object: A blender object that contains armature data.
     :param float value: The floating point value of the FK to IK slider.
     """
-    # change the ik solver type and mode to reduce bone jitter in unreal
-    rig_object.pose.ik_solver = 'ITASC'
-    rig_object.pose.ik_param.mode = 'SIMULATION'
-    rig_object.pose.ik_param.reiteration_method = 'ALWAYS'
-
     for bone in rig_object.pose.bones:
         if isinstance(bone.get("IK_FK"), float):
             bone['IK_FK'] = value