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Merge branch 'blender-v4.5-release'

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This commit is contained in:
Jesse Yurkovich 2025-06-12 10:33:38 -07:00
commit 283666675c
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26
tests/python/bl_usd_import_test.py
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@ -160,6 +160,32 @@ class USDImportTest(AbstractUSDTest):
self.assertEqual(len(mesh.vertices), 5)
self.assertEqual(len(mesh.polygons[0].vertices), 5)
def test_import_mesh_topology_change(self):
"""Test importing meshes with changing topology over time."""
infile = str(self.testdir / "usd_mesh_topology_change.usda")
res = bpy.ops.wm.usd_import(filepath=infile)
self.assertEqual({'FINISHED'}, res, f"Unable to import USD file {infile}")
# Check topology for all frames against expected vertex and face counts
expected_face_verts = [
(4, 4, 4),
(3, 4, 5),
(3, 3, 6),
(4, 4, 4),
]
for frame in range(1, 5):
bpy.context.scene.frame_set(frame)
depsgraph = bpy.context.evaluated_depsgraph_get()
mesh = depsgraph.objects["TopoTest"].data
expected = expected_face_verts[frame - 1]
self.assertEqual(len(mesh.polygons), len(expected), f"Unexpected data for {frame=}")
for face in range(0, 3):
verts = mesh.polygons[face].vertices
self.assertEqual(len(verts), expected[face], f"Unexpected data for {frame=} {face=}")
def test_import_mesh_uv_maps(self):
"""Test importing meshes with udim UVs and multiple UV sets."""