From ff5c86fcc343ef8bfa208d4594712ce53fac6b9e Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Tue, 13 Mar 2012 16:44:59 +0000
Subject: [PATCH] option to export only deforming bones (defaults to True for
Unity3D)
---
io_scene_fbx/__init__.py | 5 +++++
io_scene_fbx/export_fbx.py | 21 +++++++++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/io_scene_fbx/__init__.py b/io_scene_fbx/__init__.py
index f2ee6cbbc..f3862f7cd 100644
--- a/io_scene_fbx/__init__.py
+++ b/io_scene_fbx/__init__.py
@@ -132,6 +132,11 @@ class ExportFBX(bpy.types.Operator, ExportHelper):
"pipeline errors with XNA"),
default=False,
)
+ use_armature_deform_only = BoolProperty(
+ name="Only Deform Bones",
+ description="Only write deforming bones",
+ default=False,
+ )
use_anim = BoolProperty(
name="Include Animation",
description="Export keyframe animation",
diff --git a/io_scene_fbx/export_fbx.py b/io_scene_fbx/export_fbx.py
index 33d120ae6..c71ba3cdf 100644
--- a/io_scene_fbx/export_fbx.py
+++ b/io_scene_fbx/export_fbx.py
@@ -216,6 +216,7 @@ def save_single(operator, scene, filepath="",
object_types={'EMPTY', 'CAMERA', 'LAMP', 'ARMATURE', 'MESH'},
use_mesh_modifiers=True,
mesh_smooth_type='FACE',
+ use_armature_deform_only=False,
use_anim=True,
use_anim_optimize=True,
anim_optimize_precision=6,
@@ -2098,11 +2099,30 @@ def save_single(operator, scene, filepath="",
# fbxName, blenderObject, my_bones, blenderActions
#ob_arms[i] = fbxArmObName, ob, arm_my_bones, (ob.action, [])
+ if use_armature_deform_only:
+ # tag non deforming bones that have no deforming children
+ deform_map = dict.fromkeys(my_arm.blenData.bones, False)
+ for bone in my_arm.blenData.bones:
+ if bone.use_deform:
+ deform_map[bone] = True
+ # tag all parents, even ones that are not deform since their child _is_
+ for parent in bone.parent_recursive:
+ deform_map[parent] = True
+
for bone in my_arm.blenData.bones:
+
+ if use_armature_deform_only:
+ # if this bone doesnt deform, and none of its children deform, skip it!
+ if not deform_map[bone]:
+ continue
+
my_bone = my_bone_class(bone, my_arm)
my_arm.fbxBones.append(my_bone)
ob_bones.append(my_bone)
+ if use_armature_deform_only:
+ del deform_map
+
# add the meshes to the bones and replace the meshes armature with own armature class
#for obname, ob, mtx, me, mats, arm, armname in ob_meshes:
for my_mesh in ob_meshes:
@@ -2932,6 +2952,7 @@ def defaults_unity3d():
use_selection=False,
object_types={'ARMATURE', 'EMPTY', 'MESH'},
use_mesh_modifiers=True,
+ use_armature_deform_only=True,
use_anim=True,
use_anim_optimize=False,
use_anim_action_all=True,
--
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