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import nodes
import folder_paths
import os
import uuid
from typing_extensions import override
from comfy_api.latest import IO, UI, ComfyExtension, InputImpl, Types
from pathlib import Path
def normalize_path(path):
return path.replace('\\', '/')
class Load3D(IO.ComfyNode):
@classmethod
def define_schema(cls):
input_dir = os.path.join(folder_paths.get_input_directory(), "3d")
os.makedirs(input_dir, exist_ok=True)
input_path = Path(input_dir)
base_path = Path(folder_paths.get_input_directory())
files = [
normalize_path(str(file_path.relative_to(base_path)))
for file_path in input_path.rglob("*")
if file_path.suffix.lower() in {'.gltf', '.glb', '.obj', '.fbx', '.stl', '.spz', '.splat', '.ply', '.ksplat'}
]
return IO.Schema(
node_id="Load3D",
display_name="Load 3D & Animation",
category="3d",
essentials_category="Basics",
is_experimental=True,
inputs=[
IO.Combo.Input("model_file", options=["none"] + sorted(files), upload=IO.UploadType.model),
IO.Load3D.Input("image"),
IO.Int.Input("width", default=1024, min=1, max=4096, step=1),
IO.Int.Input("height", default=1024, min=1, max=4096, step=1),
],
outputs=[
IO.Image.Output(display_name="image"),
IO.Mask.Output(display_name="mask"),
IO.String.Output(display_name="mesh_path"),
IO.Image.Output(display_name="normal"),
IO.Load3DCamera.Output(display_name="camera_info"),
IO.Video.Output(display_name="recording_video"),
IO.File3DAny.Output(display_name="model_3d"),
IO.Load3DModelInfo.Output(display_name="model_3d_info"),
],
)
@classmethod
def validate_inputs(cls, model_file, **kwargs) -> bool | str:
if not model_file or model_file == "none":
return True
if not folder_paths.exists_annotated_filepath(model_file):
return f"Invalid 3D model file: {model_file}"
return True
@classmethod
def execute(cls, model_file, image, **kwargs) -> IO.NodeOutput:
load_image_node = nodes.LoadImage()
output_image, ignore_mask = load_image_node.load_image(image=image['image'])
ignore_image, output_mask = load_image_node.load_image(image=image['mask'])
normal_image, ignore_mask2 = load_image_node.load_image(image=image['normal'])
video = None
if image['recording'] != "":
recording_video_path = folder_paths.get_annotated_filepath(image['recording'])
video = InputImpl.VideoFromFile(recording_video_path)
file_3d = None
mesh_path = ""
if model_file and model_file != "none":
file_3d = Types.File3D(folder_paths.get_annotated_filepath(model_file))
mesh_path = model_file
model_3d_info = image.get('model_3d_info', [])
return IO.NodeOutput(output_image, output_mask, mesh_path, normal_image, image['camera_info'], video, file_3d, model_3d_info)
process = execute # TODO: remove
class Preview3D(IO.ComfyNode):
@classmethod
def define_schema(cls):
return IO.Schema(
node_id="Preview3D",
display_name="Preview 3D & Animation (DEPRECATED)",
category="3d",
description="Preview a 3D model file without saving it to the ComfyUI output directory.",
is_experimental=True,
is_output_node=True,
is_deprecated=True, # This node is superseded by the Preview 3D (Advanced) node
inputs=[
IO.MultiType.Input(
IO.String.Input("model_file", default="", multiline=False),
types=[
IO.File3DGLB,
IO.File3DGLTF,
IO.File3DFBX,
IO.File3DOBJ,
IO.File3DSTL,
IO.File3DUSDZ,
IO.File3DAny,
],
tooltip="3D model file or path string",
),
IO.Load3DCamera.Input("camera_info", optional=True, advanced=True),
IO.Image.Input("bg_image", optional=True, advanced=True),
],
outputs=[],
)
@classmethod
def execute(cls, model_file: str | Types.File3D, **kwargs) -> IO.NodeOutput:
if isinstance(model_file, Types.File3D):
filename = f"preview3d_{uuid.uuid4().hex}.{model_file.format}"
model_file.save_to(os.path.join(folder_paths.get_output_directory(), filename))
else:
filename = model_file
camera_info = kwargs.get("camera_info", None)
bg_image = kwargs.get("bg_image", None)
return IO.NodeOutput(ui=UI.PreviewUI3D(filename, camera_info, bg_image=bg_image))
process = execute # TODO: remove
class Preview3DAdvanced(IO.ComfyNode):
@classmethod
def define_schema(cls):
return IO.Schema(
node_id="Preview3DAdvanced",
display_name="Preview 3D (Advanced)",
search_aliases=["preview", "preview 3d", "3d viewer", "view mesh", "frame 3d", "3d camera output"],
category="3d",
description="Preview a 3D model file without saving it to the ComfyUI output directory.",
is_experimental=True,
is_output_node=True,
inputs=[
IO.MultiType.Input(
"model_3d",
types=[
IO.File3DGLB,
IO.File3DGLTF,
IO.File3DFBX,
IO.File3DOBJ,
IO.File3DSTL,
IO.File3DUSDZ,
IO.File3DAny,
],
tooltip="3D model file from an upstream 3D node.",
),
IO.Load3DModelInfo.Input("model_3d_info", optional=True, advanced=True),
IO.Load3D.Input("viewport_state"),
IO.Load3DCamera.Input("camera_info", optional=True, advanced=True, tooltip="Viewport camera information: position, look-at target, zoom, and type."),
IO.Int.Input("width", default=1024, min=1, max=4096, step=1, tooltip="Render width of the viewport in pixels."),
IO.Int.Input("height", default=1024, min=1, max=4096, step=1, tooltip="Render height of the viewport in pixels."),
],
outputs=[
IO.File3DAny.Output(display_name="model_3d", tooltip="3D model file (glb/obj/stl/etc.) from an upstream 3D node."),
IO.Load3DModelInfo.Output(display_name="model_3d_info", tooltip="Placement of each model in the scene: position, rotation, and scale (Y-up world space)."),
IO.Load3DCamera.Output(display_name="camera_info", tooltip="Viewport camera information: position, look-at target, zoom, and type."),
IO.Int.Output(display_name="width", tooltip="Render width of the viewport in pixels."),
IO.Int.Output(display_name="height", tooltip="Render height of the viewport in pixels."),
],
)
@classmethod
def execute(cls, model_3d: Types.File3D, viewport_state, width: int, height: int, **kwargs) -> IO.NodeOutput:
filename = f"preview3d_advanced_{uuid.uuid4().hex}.{model_3d.format}"
model_3d.save_to(os.path.join(folder_paths.get_temp_directory(), filename))
viewport_state = viewport_state if isinstance(viewport_state, dict) else {}
camera_info_input = kwargs.get("camera_info", None)
camera_info = camera_info_input if camera_info_input is not None else viewport_state.get('camera_info')
model_3d_info_input = kwargs.get("model_3d_info", None)
model_3d_info = model_3d_info_input if model_3d_info_input is not None else viewport_state.get('model_3d_info', [])
return IO.NodeOutput(
model_3d,
model_3d_info,
camera_info,
width,
height,
ui=UI.PreviewUI3DAdvanced(filename, camera_info, model_3d_info, folder_type=IO.FolderType.temp),
)
class PreviewGaussianSplat(IO.ComfyNode):
@classmethod
def define_schema(cls):
return IO.Schema(
node_id="PreviewGaussianSplat",
display_name="Preview Splat",
category="3d",
description="Preview a gaussian splat 3D file without saving it to the ComfyUI output directory.",
is_experimental=True,
is_output_node=True,
search_aliases=[
"preview",
"preview splat",
"preview gaussian",
"preview gaussian splat",
"preview 3dgs",
"preview ply",
"preview spz",
"preview ksplat",
"view splat",
"view gaussian",
"view gaussian splat",
"view 3dgs",
],
inputs=[
IO.MultiType.Input(
"model_3d",
types=[
IO.File3DSplatAny,
IO.File3DPLY,
IO.File3DSPLAT,
IO.File3DSPZ,
IO.File3DKSPLAT,
],
tooltip="A gaussian splat 3D file.",
),
IO.Load3DModelInfo.Input("model_3d_info", optional=True, advanced=True),
IO.Load3D.Input("viewport_state"),
IO.Load3DCamera.Input("camera_info", optional=True, advanced=True),
IO.Int.Input("width", default=1024, min=1, max=4096, step=1),
IO.Int.Input("height", default=1024, min=1, max=4096, step=1),
],
outputs=[
IO.File3DSplatAny.Output(display_name="model_3d"),
IO.Load3DModelInfo.Output(display_name="model_3d_info"),
IO.Load3DCamera.Output(display_name="camera_info"),
IO.Int.Output(display_name="width"),
IO.Int.Output(display_name="height"),
],
)
@classmethod
def execute(cls, model_3d: Types.File3D, viewport_state, width: int, height: int, **kwargs) -> IO.NodeOutput:
filename = f"preview_splat_{uuid.uuid4().hex}.{model_3d.format}"
model_3d.save_to(os.path.join(folder_paths.get_temp_directory(), filename))
viewport_state = viewport_state if isinstance(viewport_state, dict) else {}
camera_info_input = kwargs.get("camera_info", None)
camera_info = camera_info_input if camera_info_input is not None else viewport_state.get('camera_info')
model_3d_info_input = kwargs.get("model_3d_info", None)
model_3d_info = model_3d_info_input if model_3d_info_input is not None else viewport_state.get('model_3d_info', [])
return IO.NodeOutput(
model_3d,
model_3d_info,
camera_info,
width,
height,
ui=UI.PreviewUI3DAdvanced(filename, camera_info, model_3d_info, folder_type=IO.FolderType.temp),
)
class PreviewPointCloud(IO.ComfyNode):
@classmethod
def define_schema(cls):
return IO.Schema(
node_id="PreviewPointCloud",
display_name="Preview Point Cloud",
category="3d",
description="Preview a point cloud 3D file without saving it to the ComfyUI output directory.",
is_experimental=True,
is_output_node=True,
search_aliases=[
"preview",
"preview point cloud",
"preview pointcloud",
"preview ply",
"view point cloud",
"view pointcloud",
],
inputs=[
IO.MultiType.Input(
"model_3d",
types=[
IO.File3DPointCloudAny,
IO.File3DPLY,
],
tooltip="Point cloud file (.ply)",
),
IO.Load3DModelInfo.Input("model_3d_info", optional=True, advanced=True),
IO.Load3D.Input("viewport_state"),
IO.Load3DCamera.Input("camera_info", optional=True, advanced=True),
IO.Int.Input("width", default=1024, min=1, max=4096, step=1),
IO.Int.Input("height", default=1024, min=1, max=4096, step=1),
],
outputs=[
IO.File3DPointCloudAny.Output(display_name="model_3d"),
IO.Load3DModelInfo.Output(display_name="model_3d_info"),
IO.Load3DCamera.Output(display_name="camera_info"),
IO.Int.Output(display_name="width"),
IO.Int.Output(display_name="height"),
],
)
@classmethod
def execute(cls, model_3d: Types.File3D, viewport_state, width: int, height: int, **kwargs) -> IO.NodeOutput:
filename = f"preview_pointcloud_{uuid.uuid4().hex}.{model_3d.format}"
model_3d.save_to(os.path.join(folder_paths.get_temp_directory(), filename))
viewport_state = viewport_state if isinstance(viewport_state, dict) else {}
camera_info_input = kwargs.get("camera_info", None)
camera_info = camera_info_input if camera_info_input is not None else viewport_state.get('camera_info')
model_3d_info_input = kwargs.get("model_3d_info", None)
model_3d_info = model_3d_info_input if model_3d_info_input is not None else viewport_state.get('model_3d_info', [])
return IO.NodeOutput(
model_3d,
model_3d_info,
camera_info,
width,
height,
ui=UI.PreviewUI3DAdvanced(filename, camera_info, model_3d_info, folder_type=IO.FolderType.temp),
)
MESH_EXTENSIONS = {'.gltf', '.glb', '.obj', '.fbx', '.stl'}
class Load3DAdvanced(IO.ComfyNode):
@classmethod
def define_schema(cls):
input_dir = os.path.join(folder_paths.get_input_directory(), "3d")
os.makedirs(input_dir, exist_ok=True)
input_path = Path(input_dir)
base_path = Path(folder_paths.get_input_directory())
files = [
normalize_path(str(file_path.relative_to(base_path)))
for file_path in input_path.rglob("*")
if file_path.suffix.lower() in MESH_EXTENSIONS
]
return IO.Schema(
node_id="Load3DAdvanced",
display_name="Load 3D (Advanced)",
category="3d",
search_aliases=[
"load mesh",
"load gltf",
"load glb",
"load obj",
"load fbx",
"load stl",
],
is_experimental=True,
inputs=[
IO.Combo.Input("model_file", options=["none"] + sorted(files), upload=IO.UploadType.model),
IO.Load3D.Input("viewport_state"),
IO.Int.Input("width", default=1024, min=1, max=4096, step=1, tooltip="Render width of the viewport in pixels."),
IO.Int.Input("height", default=1024, min=1, max=4096, step=1, tooltip="Render height of the viewport in pixels."),
],
outputs=[
IO.File3DAny.Output(display_name="model_3d", tooltip="Loaded 3D model file (glb/obj/stl/etc.)."),
IO.Load3DModelInfo.Output(display_name="model_3d_info", tooltip="Placement of each model in the scene: position, rotation, and scale (Y-up world space)."),
IO.Load3DCamera.Output(display_name="camera_info", tooltip="Viewport camera information: position, look-at target, zoom, and type."),
IO.Int.Output(display_name="width", tooltip="Render width of the viewport in pixels."),
IO.Int.Output(display_name="height", tooltip="Render height of the viewport in pixels."),
],
)
@classmethod
def validate_inputs(cls, model_file, **kwargs) -> bool | str:
if not model_file or model_file == "none":
return True
if not folder_paths.exists_annotated_filepath(model_file):
return f"Invalid 3D model file: {model_file}"
return True
@classmethod
def execute(cls, model_file, viewport_state, width: int, height: int, **kwargs) -> IO.NodeOutput:
file_3d = None
if model_file and model_file != "none":
file_3d = Types.File3D(folder_paths.get_annotated_filepath(model_file))
viewport_state = viewport_state if isinstance(viewport_state, dict) else {}
model_3d_info = viewport_state.get('model_3d_info', [])
return IO.NodeOutput(file_3d, model_3d_info, viewport_state.get('camera_info'), width, height)
class Load3DExtension(ComfyExtension):
@override
async def get_node_list(self) -> list[type[IO.ComfyNode]]:
return [
Load3D,
Load3DAdvanced,
Preview3D,
Preview3DAdvanced,
PreviewGaussianSplat,
PreviewPointCloud,
]
async def comfy_entrypoint() -> Load3DExtension:
return Load3DExtension()
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