File size: 1,721 Bytes
11c70d1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | """Path helpers for the public PhysInOne camera and rendering tools."""
from __future__ import annotations
from dataclasses import dataclass
from pathlib import Path
import re
SCENE_PATTERN = re.compile(
r"^/Game/PhysInOne/Scenes/(?P<split>Train|Val|Test)/"
r"(?P<physics>SinglePhysics|DoublePhysics|TriplePhysics)/"
r"(?P<scene>[^./]+)(?:\.(?P=scene))?$"
)
@dataclass(frozen=True)
class ScenePaths:
split: str
physics: str
scene: str
level_asset: str
sequence_asset: str
def render_directory(self, project_root: str | Path) -> Path:
return (
Path(project_root)
/ "Rendered"
/ "Videos"
/ self.split
/ self.physics
/ f"{self.scene}_trajectory"
)
def parse_scene_path(level_path: str) -> ScenePaths:
"""Parse a canonical PhysInOne UE level path.
Accepted form:
/Game/PhysInOne/Scenes/<Split>/<Physics>/<Scene>[.<Scene>]
"""
normalized = level_path.strip().replace("\\", "/")
match = SCENE_PATTERN.fullmatch(normalized)
if not match:
raise ValueError(
"Expected /Game/PhysInOne/Scenes/<Train|Val|Test>/"
"<SinglePhysics|DoublePhysics|TriplePhysics>/<Scene>[.<Scene>], "
f"got: {level_path!r}"
)
split = match.group("split")
physics = match.group("physics")
scene = match.group("scene")
base = f"/Game/PhysInOne"
level_asset = f"{base}/Scenes/{split}/{physics}/{scene}.{scene}"
sequence = f"{scene}_trajectory"
sequence_asset = (
f"{base}/Trajectories/{split}/{physics}/{sequence}.{sequence}"
)
return ScenePaths(split, physics, scene, level_asset, sequence_asset)
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