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FBX export: add option to not key first/last frames of an exported action. 

User request (see T45438).
This commit is contained in:
Bastien Montagne 2015-07-15 21:37:41 +02:00
parent 3d0f53c1d6
commit b7567791a1
3 changed files with 24 additions and 12 deletions
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8
io_scene_fbx/__init__.py
View File

@ -21,7 +21,7 @@
bl_info = {
"name": "FBX format",
"author": "Campbell Barton, Bastien Montagne, Jens Restemeier",
"version": (3, 4, 7),
"version": (3, 4, 8),
"blender": (2, 74, 0),
"location": "File > Import-Export",
"description": "FBX IO meshes, UV's, vertex colors, materials, textures, cameras, lamps and actions",
@ -373,6 +373,11 @@ class ExportFBX(bpy.types.Operator, ExportHelper, IOFBXOrientationHelper):
"others will get no animation at all)",
default=True,
)
bake_anim_force_startend_keying = BoolProperty(
name="Force Start/End Keying",
description="Always add a keyframe at start and end of actions for animated channels",
default=True,
)
bake_anim_step = FloatProperty(
name="Sampling Rate",
description="How often to evaluate animated values (in frames)",
@ -475,6 +480,7 @@ class ExportFBX(bpy.types.Operator, ExportHelper, IOFBXOrientationHelper):
col.prop(self, "bake_anim_use_all_bones")
col.prop(self, "bake_anim_use_nla_strips")
col.prop(self, "bake_anim_use_all_actions")
col.prop(self, "bake_anim_force_startend_keying")
col.prop(self, "bake_anim_step")
col.prop(self, "bake_anim_simplify_factor")
else:

12
io_scene_fbx/export_fbx_bin.py
View File

@ -1850,6 +1850,7 @@ def fbx_animations_do(scene_data, ref_id, f_start, f_end, start_zero, objects=No
scene = scene_data.scene
meshes = scene_data.data_meshes
force_keying = scene_data.settings.bake_anim_use_all_bones
force_sek = scene_data.settings.bake_anim_force_startend_keying
if objects is not None:
# Add bones and duplis!
@ -1874,9 +1875,9 @@ def fbx_animations_do(scene_data, ref_id, f_start, f_end, start_zero, objects=No
ACNW = AnimationCurveNodeWrapper
loc, rot, scale, _m, _mr = ob_obj.fbx_object_tx(scene_data)
rot_deg = tuple(convert_rad_to_deg_iter(rot))
animdata_ob[ob_obj] = (ACNW(ob_obj.key, 'LCL_TRANSLATION', ob_obj.is_bone and force_keying, loc),
ACNW(ob_obj.key, 'LCL_ROTATION', ob_obj.is_bone and force_keying, rot_deg),
ACNW(ob_obj.key, 'LCL_SCALING', ob_obj.is_bone and force_keying, scale))
animdata_ob[ob_obj] = (ACNW(ob_obj.key, 'LCL_TRANSLATION', ob_obj.is_bone and force_keying, force_sek, loc),
ACNW(ob_obj.key, 'LCL_ROTATION', ob_obj.is_bone and force_keying, force_sek, rot_deg),
ACNW(ob_obj.key, 'LCL_SCALING', ob_obj.is_bone and force_keying, force_sek, scale))
p_rots[ob_obj] = rot
animdata_shapes = OrderedDict()
@ -1885,7 +1886,7 @@ def fbx_animations_do(scene_data, ref_id, f_start, f_end, start_zero, objects=No
if not me.shape_keys.use_relative:
continue
for shape, (channel_key, geom_key, _shape_verts_co, _shape_verts_idx) in shapes.items():
acnode = AnimationCurveNodeWrapper(channel_key, 'SHAPE_KEY', False, (0.0,))
acnode = AnimationCurveNodeWrapper(channel_key, 'SHAPE_KEY', False, force_sek, (0.0,))
# Sooooo happy to have to twist again like a mad snake... Yes, we need to write those curves twice. :/
acnode.add_group(me_key, shape.name, shape.name, (shape.name,))
animdata_shapes[channel_key] = (acnode, me, shape)
@ -2817,6 +2818,7 @@ def save_single(operator, scene, filepath="",
bake_anim_use_all_actions=True,
bake_anim_step=1.0,
bake_anim_simplify_factor=1.0,
bake_anim_force_startend_keying=True,
add_leaf_bones=False,
primary_bone_axis='Y',
secondary_bone_axis='X',
@ -2881,7 +2883,7 @@ def save_single(operator, scene, filepath="",
mesh_smooth_type, use_mesh_edges, use_tspace,
use_armature_deform_only, add_leaf_bones, bone_correction_matrix, bone_correction_matrix_inv,
bake_anim, bake_anim_use_all_bones, bake_anim_use_nla_strips, bake_anim_use_all_actions,
bake_anim_step, bake_anim_simplify_factor,
bake_anim_step, bake_anim_simplify_factor, bake_anim_force_startend_keying,
False, media_settings, use_custom_props,
)

16
io_scene_fbx/fbx_utils.py
View File

@ -719,7 +719,9 @@ class AnimationCurveNodeWrapper:
This class provides a same common interface for all (FBX-wise) AnimationCurveNode and AnimationCurve elements,
and easy API to handle those.
"""
__slots__ = ('elem_keys', '_keys', 'default_values', 'fbx_group', 'fbx_gname', 'fbx_props', 'force_keying')
__slots__ = (
'elem_keys', '_keys', 'default_values', 'fbx_group', 'fbx_gname', 'fbx_props',
'force_keying', 'force_startend_keying')
kinds = {
'LCL_TRANSLATION': ("Lcl Translation", "T", ("X", "Y", "Z")),
@ -728,13 +730,14 @@ class AnimationCurveNodeWrapper:
'SHAPE_KEY': ("DeformPercent", "DeformPercent", ("DeformPercent",)),
}
def __init__(self, elem_key, kind, force_keying, default_values=...):
def __init__(self, elem_key, kind, force_keying, force_startend_keying, default_values=...):
self.elem_keys = [elem_key]
assert(kind in self.kinds)
self.fbx_group = [self.kinds[kind][0]]
self.fbx_gname = [self.kinds[kind][1]]
self.fbx_props = [self.kinds[kind][2]]
self.force_keying = force_keying
self.force_startend_keying = force_startend_keying
self._keys = [] # (frame, values, write_flags)
if default_values is not ...:
assert(len(default_values) == len(self.fbx_props[0]))
@ -822,9 +825,10 @@ class AnimationCurveNodeWrapper:
are_keyed[:] = [True] * len(are_keyed)
# If we did key something, ensure first and last sampled values are keyed as well.
for idx, is_keyed in enumerate(are_keyed):
if is_keyed:
keys[0][2][idx] = keys[-1][2][idx] = True
if self.force_startend_keying:
for idx, is_keyed in enumerate(are_keyed):
if is_keyed:
keys[0][2][idx] = keys[-1][2][idx] = True
def get_final_data(self, scene, ref_id, force_keep=False):
"""
@ -1200,7 +1204,7 @@ FBXExportSettings = namedtuple("FBXExportSettings", (
"mesh_smooth_type", "use_mesh_edges", "use_tspace",
"use_armature_deform_only", "add_leaf_bones", "bone_correction_matrix", "bone_correction_matrix_inv",
"bake_anim", "bake_anim_use_all_bones", "bake_anim_use_nla_strips", "bake_anim_use_all_actions",
"bake_anim_step", "bake_anim_simplify_factor",
"bake_anim_step", "bake_anim_simplify_factor", "bake_anim_force_startend_keying",
"use_metadata", "media_settings", "use_custom_props",
))