def __gather_scene(blender_scene, export_settings):
scene = gltf2_io.Scene(
extensions=None,
extras=__gather_extras(blender_scene, export_settings),
name=blender_scene.name,
nodes=[]
)
vtree = gltf2_blender_gather_tree.VExportTree(export_settings)
vtree.construct(blender_scene)
vtree.search_missing_armature() # In case armature are no parented correctly
export_user_extensions('vtree_before_filter_hook', export_settings, vtree)
# Now, we can filter tree if needed
vtree.filter()
export_user_extensions('vtree_after_filter_hook', export_settings, vtree)
export_settings['vtree'] = vtree
for r in [vtree.nodes[r] for r in vtree.roots]:
node = gltf2_blender_gather_nodes.gather_node(
r, export_settings)
if node is not None:
scene.nodes.append(node)
export_user_extensions('gather_scene_hook', export_settings, scene, blender_scene)
return scene
def __gather_scene(blender_scene, export_settings):
scene = gltf2_io.Scene(
extensions=None,
extras=__gather_extras(blender_scene, export_settings),
name=blender_scene.name,
nodes=[]
)
for blender_object in blender_scene.objects:
if blender_object.parent is None:
node = gltf2_blender_gather_nodes.gather_node(blender_object, blender_scene, export_settings)
if node is not None:
scene.nodes.append(node)
return scene
def __gather_scene(blender_scene, export_settings):
scene = gltf2_io.Scene(
extensions=None,
extras=__gather_extras(blender_scene, export_settings),
name=None,
nodes=[]
)
for _blender_object in [obj for obj in blender_scene.objects if obj.proxy is None]:
if _blender_object.type == "ARMATURE": # extract the root bone from the armature
armature = _blender_object
blender_object = _blender_object.proxy if _blender_object.proxy else _blender_object
for bone in blender_object.pose.bones: # sometimes there can be more than one bone at root level
if bone.parent is None:
joint = gltf2_blender_gather_joints.gather_joint(blender_object, bone, export_settings)
if joint is not None:
scene.nodes.append(joint)
elif _blender_object.type == "MESH":
if _blender_object.parent is None: # skip if the object is not a child
continue
if _blender_object.parent.parent is None: # add skinned meshes and meshes with a parent bone to the scene
blender_object = _blender_object.proxy if _blender_object.proxy else _blender_object
modifiers = {m.type: m for m in blender_object.modifiers}
if ("ARMATURE" not in modifiers or modifiers["ARMATURE"].object is None) and not blender_object.parent_bone == "": # for some reason the value for no parent bone is an empty string instead of None
continue
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 node is not None:
scene.nodes.append(node)
elif _blender_object.type == "EMPTY": # in rare cases where there is more than one root bone, if there is an empty that is a direct child of an armature and has no parent bone, we export it
if _blender_object.parent_bone == "" and _blender_object.parent.parent is None:
blender_object = _blender_object.proxy if _blender_object.proxy else _blender_object
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 node is not None:
scene.nodes.append(node)
export_user_extensions('gather_scene_hook', export_settings, scene, blender_scene)
return scene
def __gather_scene(blender_scene, export_settings):
scene = gltf2_io.Scene(extensions=None,
extras=None,
name=blender_scene.name,
nodes=[])
for blender_object in blender_scene.objects:
if blender_object.parent is None:
node = gltf2_blender_gather_nodes.gather_node(
blender_object, export_settings)
if node is not None:
scene.nodes.append(node)
# TODO: materials, textures, images
# TODO: animations
# TODO: lights
# TODO: asset?
return scene
def __gather_scene(blender_scene, export_settings):
scene = gltf2_io.Scene(
extensions=None,
extras=__gather_extras(blender_scene, export_settings),
name=blender_scene.name,
nodes=[]
)
for _blender_object in [obj for obj in blender_scene.objects if obj.proxy is None]:
if _blender_object.parent is None:
blender_object = _blender_object.proxy if _blender_object.proxy else _blender_object
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 node is not None:
scene.nodes.append(node)
export_user_extensions('gather_scene_hook', export_settings, scene, blender_scene)
return scene
