def __gather_animations(blender_scene, export_settings):
animations = []
for blender_object in blender_scene.objects:
# First check if this object is exported or not. Do not export animation of not exported object
obj_node = gltf2_blender_gather_nodes.gather_node(blender_object, blender_scene, export_settings)
if obj_node is not None:
animations += gltf2_blender_gather_animations.gather_animations(blender_object, export_settings)
return animations
def __gather_animations(blender_scene, anim_scene, export_settings):
for _blender_object in blender_scene.objects:
blender_object = _blender_object.proxy if _blender_object.proxy else _blender_object
# First check if this object is exported or not. Do not export animation of not exported object
obj_node = gltf2_blender_gather_nodes.gather_node(blender_object,
blender_object.library.name if blender_object.library else None,
blender_scene, None, export_settings)
animations = gltf2_blender_gather_animations.gather_animations(anim_scene, export_settings)
return animations
def __gather_animations(blender_scene, export_settings):
animations = []
for blender_object in blender_scene.objects:
# First check if this object is exported or not. Do not export animation of not exported object
obj_node = gltf2_blender_gather_nodes.gather_node(
blender_object, blender_scene, export_settings)
if obj_node is not None:
animations += gltf2_blender_gather_animations.gather_animations(
blender_object, export_settings)
# if none of those two actions have been selected,
# let's merge indivudual animations into one single with multiple channels
all_actions = export_settings['gltf_all_actions']
nla_strips = export_settings['gltf_nla_strips']
if not all_actions and not nla_strips:
scene_animation = __merge_animations(blender_scene, animations,
export_settings)
animations = []
animations.append(scene_animation)
return animations
def __gather_animations(blender_scene, export_settings):
animations = []
for blender_object in blender_scene.objects:
animations += gltf2_blender_gather_animations.gather_animations(
blender_object, export_settings)
return animations
def __gather_animations(blender_scene, export_settings):
animations = []
merged_tracks = {}
for _blender_object in blender_scene.objects:
blender_object = _blender_object.proxy if _blender_object.proxy else _blender_object
# First check if this object is exported or not. Do not export animation of not exported object
obj_node = gltf2_blender_gather_nodes.gather_node(
blender_object,
blender_object.library.name if blender_object.library else None,
blender_scene, None, export_settings)
if obj_node is not None:
# Check was done on armature, but use here the _proxy object, because this is where the animation is
animations_, merged_tracks = gltf2_blender_gather_animations.gather_animations(
_blender_object, merged_tracks, len(animations),
export_settings)
animations += animations_
if export_settings['gltf_nla_strips'] is False:
# Fake an animation with all animations of the scene
merged_tracks = {}
merged_tracks['Animation'] = []
for idx, animation in enumerate(animations):
merged_tracks['Animation'].append(idx)
to_delete_idx = []
for merged_anim_track in merged_tracks.keys():
if len(merged_tracks[merged_anim_track]) < 2:
# There is only 1 animation in the track
# If name of the track is not a default name, use this name for action
if len(merged_tracks[merged_anim_track]) != 0:
animations[merged_tracks[merged_anim_track]
[0]].name = merged_anim_track
continue
base_animation_idx = None
offset_sampler = 0
for idx, anim_idx in enumerate(merged_tracks[merged_anim_track]):
if idx == 0:
base_animation_idx = anim_idx
animations[anim_idx].name = merged_anim_track
already_animated = []
for channel in animations[anim_idx].channels:
already_animated.append(
(channel.target.node, channel.target.path))
continue
to_delete_idx.append(anim_idx)
# Merging extras
# Warning, some values can be overwritten if present in multiple merged animations
if animations[anim_idx].extras is not None:
for k in animations[anim_idx].extras.keys():
if animations[base_animation_idx].extras is None:
animations[base_animation_idx].extras = {}
animations[base_animation_idx].extras[k] = animations[
anim_idx].extras[k]
offset_sampler = len(animations[base_animation_idx].samplers)
for sampler in animations[anim_idx].samplers:
animations[base_animation_idx].samplers.append(sampler)
for channel in animations[anim_idx].channels:
if (channel.target.node,
channel.target.path) in already_animated:
print_console(
"WARNING",
"Some strips have same channel animation ({}), on node {} !"
.format(channel.target.path, channel.target.node.name))
continue
animations[base_animation_idx].channels.append(channel)
animations[base_animation_idx].channels[
-1].sampler = animations[base_animation_idx].channels[
-1].sampler + offset_sampler
already_animated.append(
(channel.target.node, channel.target.path))
new_animations = []
if len(to_delete_idx) != 0:
for idx, animation in enumerate(animations):
if idx in to_delete_idx:
continue
new_animations.append(animation)
else:
new_animations = animations
return new_animations
def __gather_animations(blender_scene, export_settings):
animations = []
merged_tracks = {}
vtree = export_settings['vtree']
for obj_uuid in vtree.get_all_objects():
blender_object = vtree.nodes[obj_uuid].blender_object
# Do not manage not exported objects
if vtree.nodes[obj_uuid].node is None:
continue
animations_, merged_tracks = gltf2_blender_gather_animations.gather_animations(obj_uuid, merged_tracks, len(animations), export_settings)
animations += animations_
if export_settings['gltf_nla_strips'] is False:
# Fake an animation with all animations of the scene
merged_tracks = {}
merged_tracks['Animation'] = []
for idx, animation in enumerate(animations):
merged_tracks['Animation'].append(idx)
to_delete_idx = []
for merged_anim_track in merged_tracks.keys():
if len(merged_tracks[merged_anim_track]) < 2:
# There is only 1 animation in the track
# If name of the track is not a default name, use this name for action
if len(merged_tracks[merged_anim_track]) != 0:
animations[merged_tracks[merged_anim_track][0]].name = merged_anim_track
continue
base_animation_idx = None
offset_sampler = 0
for idx, anim_idx in enumerate(merged_tracks[merged_anim_track]):
if idx == 0:
base_animation_idx = anim_idx
animations[anim_idx].name = merged_anim_track
already_animated = []
for channel in animations[anim_idx].channels:
already_animated.append((channel.target.node, channel.target.path))
continue
to_delete_idx.append(anim_idx)
# Merging extensions
# Provide a hook to handle extension merging since there is no way to know author intent
export_user_extensions('merge_animation_extensions_hook', export_settings, animations[anim_idx], animations[base_animation_idx])
# Merging extras
# Warning, some values can be overwritten if present in multiple merged animations
if animations[anim_idx].extras is not None:
for k in animations[anim_idx].extras.keys():
if animations[base_animation_idx].extras is None:
animations[base_animation_idx].extras = {}
animations[base_animation_idx].extras[k] = animations[anim_idx].extras[k]
offset_sampler = len(animations[base_animation_idx].samplers)
for sampler in animations[anim_idx].samplers:
animations[base_animation_idx].samplers.append(sampler)
for channel in animations[anim_idx].channels:
if (channel.target.node, channel.target.path) in already_animated:
print_console("WARNING", "Some strips have same channel animation ({}), on node {} !".format(channel.target.path, channel.target.node.name))
continue
animations[base_animation_idx].channels.append(channel)
animations[base_animation_idx].channels[-1].sampler = animations[base_animation_idx].channels[-1].sampler + offset_sampler
already_animated.append((channel.target.node, channel.target.path))
new_animations = []
if len(to_delete_idx) != 0:
for idx, animation in enumerate(animations):
if idx in to_delete_idx:
continue
new_animations.append(animation)
else:
new_animations = animations
return new_animations
def __gather_animations(blender_scene, export_settings):
animations = []
for blender_object in blender_scene.objects:
animations += gltf2_blender_gather_animations.gather_animations(blender_object, export_settings)
return animations
def __gather_animations(blender_scene, export_settings):
animations = []
merged_tracks = {}
for blender_object in blender_scene.objects:
# First check if this object is exported or not. Do not export animation of not exported object
obj_node = gltf2_blender_gather_nodes.gather_node(
blender_object, blender_scene, export_settings)
if obj_node is not None:
animations_, merged_tracks = gltf2_blender_gather_animations.gather_animations(
blender_object, merged_tracks, len(animations),
export_settings)
animations += animations_
if export_settings['gltf_nla_strips'] is False:
# Fake an animation witha all animations of the scene
merged_tracks = {}
merged_tracks['Animation'] = []
for idx, animation in enumerate(animations):
merged_tracks['Animation'].append(idx)
to_delete_idx = []
for merged_anim_track in merged_tracks.keys():
if len(merged_tracks[merged_anim_track]) < 2:
continue
base_animation_idx = None
offset_sampler = 0
for idx, anim_idx in enumerate(merged_tracks[merged_anim_track]):
if idx == 0:
base_animation_idx = anim_idx
animations[anim_idx].name = merged_anim_track
already_animated = []
for channel in animations[anim_idx].channels:
already_animated.append(
(channel.target.node, channel.target.path))
continue
to_delete_idx.append(anim_idx)
offset_sampler = len(animations[base_animation_idx].samplers)
for sampler in animations[anim_idx].samplers:
animations[base_animation_idx].samplers.append(sampler)
for channel in animations[anim_idx].channels:
if (channel.target.node,
channel.target.path) in already_animated:
print_console(
"WARNING",
"Some strips have same channel animation ({}), on node {} !"
.format(channel.target.path, channel.target.node.name))
continue
animations[base_animation_idx].channels.append(channel)
animations[base_animation_idx].channels[
-1].sampler = animations[base_animation_idx].channels[
-1].sampler + offset_sampler
already_animated.append(
(channel.target.node, channel.target.path))
new_animations = []
if len(to_delete_idx) != 0:
for idx, animation in enumerate(animations):
if idx in to_delete_idx:
continue
new_animations.append(animation)
else:
new_animations = animations
return new_animations
def __gather_animations(blender_scene, export_settings):
for blender_object in blender_scene.objects:
return gltf2_blender_gather_animations.gather_animations(
blender_object, export_settings)
