146 lines
7.4 KiB
Python
146 lines
7.4 KiB
Python
"""Validate clip scheduling without an Unreal installation."""
|
|
import importlib.util
|
|
from pathlib import Path
|
|
import sys
|
|
from types import SimpleNamespace
|
|
import unittest
|
|
from unittest.mock import MagicMock, patch
|
|
|
|
sys.path.insert(0, str(Path(__file__).resolve().parents[1] / "Content/Python"))
|
|
|
|
|
|
class Clip:
|
|
def __init__(self, skeleton):
|
|
self.skeleton = skeleton
|
|
|
|
def get_editor_property(self, name):
|
|
assert name == "skeleton"
|
|
return self.skeleton
|
|
|
|
|
|
class AnimationTests(unittest.TestCase):
|
|
def setUp(self):
|
|
unreal = MagicMock()
|
|
unreal.AnimSequence = Clip
|
|
unreal.FrameNumber.side_effect = lambda frame: frame
|
|
path = Path(__file__).resolve().parents[1] / "Content/Python/ue_workshop/sequence.py"
|
|
spec = importlib.util.spec_from_file_location("ue_workshop._sequence_test", path)
|
|
module = importlib.util.module_from_spec(spec)
|
|
with patch.dict(sys.modules, {"unreal": unreal}):
|
|
spec.loader.exec_module(module)
|
|
self.unreal = unreal
|
|
self.shot = module.Sequence.__new__(module.Sequence)
|
|
self.shot.frames = 120
|
|
self.shot.fps = 24
|
|
self.shot.asset = MagicMock()
|
|
self.shot.asset.get_tick_resolution.return_value = SimpleNamespace(numerator=24000, denominator=1)
|
|
self.shot._animations = {}
|
|
self.shot.bind = MagicMock()
|
|
self.actor = MagicMock()
|
|
self.actor.get_path_name.return_value = "Parent"
|
|
self.child = MagicMock()
|
|
self.child.get_path_name.return_value = "SkeletalChild"
|
|
self.skeleton = object()
|
|
self.clip = Clip(self.skeleton)
|
|
self.imported = SimpleNamespace(mesh=MagicMock(), animations={"walk": self.clip})
|
|
self.imported.mesh.get_editor_property.return_value = self.skeleton
|
|
self.shot.scene = SimpleNamespace(_skeletal_models={"Parent": (self.child, self.imported)})
|
|
|
|
def test_adjacent_clips_share_child_track_and_set_speed(self):
|
|
self.shot.animation(self.actor, "walk", start=0, end=48)
|
|
self.shot.animation(self.actor, "walk", start=48, end=120, speed=0.8)
|
|
self.shot.bind.assert_called_once_with(self.child)
|
|
track = self.shot.bind.return_value.add_track.return_value
|
|
self.assertEqual(track.add_section.call_count, 2)
|
|
track.add_section.return_value.set_range.assert_called_with(48, 120)
|
|
self.unreal.MovieSceneTimeWarpVariant.return_value.set_fixed_play_rate.assert_called_with(0.8)
|
|
|
|
def test_nested_clip_is_rejected_without_creating_section(self):
|
|
self.shot.animation(self.actor, "walk", start=0, end=48)
|
|
with self.assertRaises(ValueError):
|
|
self.shot.animation(self.actor, "walk", start=12, end=36)
|
|
self.assertEqual(self.shot.bind.return_value.add_track.return_value.add_section.call_count, 1)
|
|
|
|
def test_invalid_ranges_and_speeds_do_not_create_track(self):
|
|
for options in ({"start": -1}, {"end": 121}, {"start": 48, "end": 48},
|
|
{"start": True}, {"speed": 0}, {"speed": float("nan")},
|
|
{"speed": float("inf")}):
|
|
with self.subTest(options=options), self.assertRaises(ValueError):
|
|
self.shot.animation(self.actor, "walk", **options)
|
|
self.shot.bind.assert_not_called()
|
|
|
|
def test_crossfade_sets_complementary_weight_curves(self):
|
|
track = self.shot.bind.return_value.add_track.return_value
|
|
first, second = MagicMock(), MagicMock()
|
|
track.add_section.side_effect = [first, second]
|
|
self.shot.animation(self.actor, "walk", start=0, end=60)
|
|
self.shot.animation(self.actor, "walk", start=48, end=120)
|
|
outgoing = first.get_all_channels.return_value[0].add_key
|
|
incoming = second.get_all_channels.return_value[0].add_key
|
|
outgoing.assert_any_call(48, 1.0, interpolation=self.unreal.MovieSceneKeyInterpolation.LINEAR)
|
|
outgoing.assert_any_call(60, 0.0, interpolation=self.unreal.MovieSceneKeyInterpolation.LINEAR)
|
|
incoming.assert_any_call(48, 0.0, interpolation=self.unreal.MovieSceneKeyInterpolation.LINEAR)
|
|
incoming.assert_any_call(60, 1.0, interpolation=self.unreal.MovieSceneKeyInterpolation.LINEAR)
|
|
self.shot.bind.assert_called_once_with(self.child)
|
|
|
|
def test_ambiguous_overlaps_are_rejected_before_creating_section(self):
|
|
self.shot.animation(self.actor, start=0, end=60)
|
|
for start, end in ((0, 60), (0, 120), (12, 36), (30, 60)):
|
|
with self.subTest(start=start, end=end), self.assertRaises(ValueError):
|
|
self.shot.animation(self.actor, start=start, end=end)
|
|
self.assertEqual(self.shot.bind.return_value.add_track.return_value.add_section.call_count, 1)
|
|
|
|
def test_three_clip_chain_preserves_middle_fade_in_and_adds_fade_out(self):
|
|
track = self.shot.bind.return_value.add_track.return_value
|
|
first, middle, last = MagicMock(), MagicMock(), MagicMock()
|
|
track.add_section.side_effect = [first, middle, last]
|
|
self.shot.animation(self.actor, start=0, end=48)
|
|
self.shot.animation(self.actor, start=36, end=84)
|
|
self.shot.animation(self.actor, start=72, end=120)
|
|
weight = middle.get_all_channels.return_value[0].add_key
|
|
weight.assert_any_call(36, 0.0, interpolation=self.unreal.MovieSceneKeyInterpolation.LINEAR)
|
|
weight.assert_any_call(48, 1.0, interpolation=self.unreal.MovieSceneKeyInterpolation.LINEAR)
|
|
weight.assert_any_call(72, 1.0, interpolation=self.unreal.MovieSceneKeyInterpolation.LINEAR)
|
|
weight.assert_any_call(84, 0.0, interpolation=self.unreal.MovieSceneKeyInterpolation.LINEAR)
|
|
|
|
def test_triple_overlap_is_rejected(self):
|
|
self.shot.animation(self.actor, start=0, end=60)
|
|
self.shot.animation(self.actor, start=48, end=100)
|
|
with self.assertRaises(ValueError):
|
|
self.shot.animation(self.actor, start=54, end=120)
|
|
|
|
def test_single_frame_overlap_automatically_blends(self):
|
|
self.shot.animation(self.actor, start=0, end=60)
|
|
self.shot.animation(self.actor, start=59, end=120)
|
|
self.assertEqual(self.shot._animations["SkeletalChild"][1][4], 1)
|
|
|
|
def test_adjacent_clips_do_not_fade(self):
|
|
self.shot.animation(self.actor, start=0, end=60)
|
|
self.shot.animation(self.actor, start=60, end=120)
|
|
weight = self.shot.bind.return_value.add_track.return_value.add_section.return_value.get_all_channels.return_value[0]
|
|
weight.add_key.assert_not_called()
|
|
|
|
def test_out_of_order_overlap_is_rejected(self):
|
|
self.shot.animation(self.actor, start=30, end=90)
|
|
with self.assertRaises(ValueError):
|
|
self.shot.animation(self.actor, start=0, end=60)
|
|
|
|
def test_unknown_clip_and_foreign_skeleton_are_rejected(self):
|
|
with self.assertRaises(ValueError):
|
|
self.shot.animation(self.actor, "missing")
|
|
with self.assertRaises(ValueError):
|
|
self.shot.animation(self.actor, Clip(object()))
|
|
self.shot.bind.assert_not_called()
|
|
|
|
def test_default_requires_exactly_one_clip(self):
|
|
self.shot.animation(self.actor)
|
|
self.imported.animations["idle"] = Clip(self.skeleton)
|
|
with self.assertRaises(ValueError):
|
|
self.shot.animation(self.actor)
|
|
|
|
def test_static_actor_cannot_receive_skeletal_animation(self):
|
|
self.shot.scene._skeletal_models.clear()
|
|
with self.assertRaises(ValueError):
|
|
self.shot.animation(self.actor, "walk")
|
|
self.shot.bind.assert_not_called()
|