def load_meshes(
progress: ProgressReport, manager: ImportManager
) -> List[Tuple[bpy.types.Mesh, gltf_buffer.VertexBuffer]]:
progress.enter_substeps(len(manager.gltf.meshes), "Loading meshes...")
meshes = [
_create_mesh(progress, manager, mesh) for mesh in manager.gltf.meshes
]
progress.leave_substeps()
return meshes
def load_materials(progress: ProgressReport,
manager: ImportManager) -> List[bpy.types.Material]:
progress.enter_substeps(len(manager.gltf.textures), "Loading materials...")
materials = [
_create_material(progress, manager, material)
for material in manager.gltf.materials
]
progress.leave_substeps()
return materials
def load_objects(context, progress: ProgressReport,
manager: ImportManager) -> Tuple[List[Node], Node]:
progress.enter_substeps(len(manager.gltf.nodes) + 1, "Loading objects...")
# collection
view_layer = context.view_layer
if view_layer.collections.active:
collection = view_layer.collections.active.collection
else:
collection = context.scene.master_collection.new()
view_layer.collections.link(collection)
# setup
nodes = [
Node(i, gltf_node) for i, gltf_node in enumerate(manager.gltf.nodes)
]
# set parents
for gltf_node, node in zip(manager.gltf.nodes, nodes):
for child_index in gltf_node.children:
child = nodes[child_index]
node.children.append(child)
child.parent = node
progress.step()
# check root
roots = [node for node in enumerate(nodes) if not node[1].parent]
if len(roots) != 1:
root = Node(len(nodes), gltftypes.Node({'name': '__root__'}))
for _, node in roots:
root.children.append(node)
node.parent = root
else:
root = nodes[0]
root.create_object(progress, collection, manager)
def get_root(skin: gltftypes.Skin) -> Optional[Node]:
root = None
for joint in skin.joints:
node = nodes[joint]
if not root:
root = node
else:
if node in root.get_ancestors():
root = node
return root
# create armatures
root_skin = gltftypes.Skin({'name': 'skin'})
for skin in manager.gltf.skins:
for joint in skin.joints:
if joint not in root_skin.joints:
root_skin.joints.append(joint)
skeleton = get_root(root_skin)
if skeleton:
skeleton.create_armature(context, collection, view_layer, root_skin)
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
progress.leave_substeps()
return (nodes, root)