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#!/usr/bin/env python3
import sys
from argparse import ArgumentParser
from concurrent.futures import ProcessPoolExecutor, as_completed
from logging import INFO, Formatter, StreamHandler, getLogger
from pathlib import Path
from collada import Collada, DaeBrokenRefError, DaeError, common, controller
from scriptlib import find_files
class InvalidControllerError(Exception):
"""Mesh contains controllers of other types than Skin."""
class VertexWithoutWeightError(Exception):
"""Vertex has no weight."""
def __init__(self, num_vertices: int, num_vertices_no_weight: int) -> None:
self.num_vertices = num_vertices
self.num_vertices_no_weight = num_vertices_no_weight
def validate_mesh(path_dae: Path) -> None:
"""Validate a mesh."""
dae = Collada(path_dae.as_posix(), ignore=[common.DaeUnsupportedError, DaeBrokenRefError])
for ctr in dae.controllers:
if type(ctr) is not controller.Skin:
raise InvalidControllerError
totalv = len(ctr.vcounts)
totalv_0 = len(ctr.vcounts[ctr.vcounts == 0])
if totalv_0 > 0:
raise VertexWithoutWeightError(totalv, totalv_0)
class DaeValidator:
def __init__(self, vfs_root: Path, mods: list[str]) -> None:
self.has_weightless_vtx = []
self.vfs_root = vfs_root
self.mods = mods
self.log = getLogger()
self.log.setLevel(INFO)
sh = StreamHandler(sys.stdout)
sh.setLevel(INFO)
sh.setFormatter(Formatter("%(levelname)s - %(message)s"))
self.log.addHandler(sh)
def run(self) -> bool:
"""Run validation for a bunch of meshes."""
is_ok = True
i = 0
with ProcessPoolExecutor() as executor:
futures = {}
for _, dae_path in find_files(self.vfs_root, self.mods, Path("art/meshes"), ["dae"]):
future = executor.submit(validate_mesh, dae_path)
futures[future] = dae_path
for future in as_completed(futures):
i += 1
dae_path = futures[future]
try:
future.result()
except InvalidControllerError:
self.log.warning("Mesh %s contains an invalid controller.", dae_path)
is_ok = False
continue
except DaeError as exc:
self.log.warning("Failed to load mesh %s: %s", dae_path, exc)
is_ok = False
continue
except VertexWithoutWeightError as exc:
self.log.warning(
"Mesh %s has %i (out of %i) vertices with no weight"
" and no bone assigned. Use P294 to find them in Blender.",
dae_path,
exc.num_vertices_no_weight,
exc.num_vertices,
)
self.has_weightless_vtx.append(dae_path)
is_ok = False
continue
self.log.info(
"%i out of %i files have vertices with no weight or bones.",
len(self.has_weightless_vtx),
i,
)
return is_ok
def main() -> None:
parser = ArgumentParser(description="Validate COLLADA meshes.")
parser.add_argument(
"-m",
"--mod-name",
dest="mod_names",
nargs="*",
default=["public"],
help="The name of the mod to validate.",
)
parser.add_argument(
"-r",
"--root",
dest="vfs_root",
default=Path(__file__).resolve().parents[3] / "binaries" / "data" / "mods",
type=Path,
help="The path to mod's root location.",
)
args = parser.parse_args()
dv = DaeValidator(args.vfs_root, args.mod_names)
if dv.run() > 0:
sys.exit(1)
if __name__ == "__main__":
main()
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