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fix(physics): movement-parity fixes - adjusted catch-up cap, autorun retail semantics, AP-30 retired

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Ports CMotionInterp::get_adjusted_max_speed (0x00527D00, byte-decoded:
bare rate unless RunForward; forward_speed x 4.0 when running;
current_speed_factor proven a ctor-constant 1.0 at 0x00528C34) and swaps
all five interpolation catch-up call sites to it - retail's
fUseAdjustedSpeed_ static (.data 0x0081F418 = 1) makes this the live
branch, so standing/walking remotes now catch up at ~2x runRate instead
of 4x too fast (the #41/#165 presentation family). Autorun now hard-
forces Run for its duration and cancels on every fresh forward press
(CommandInterpreter::HandleNewForwardMovement 0x006b3d60 is literally
SetAutoRun(0,1)); the old test pin codified the divergence. AP-30
retired: retail Frame::is_equal genuinely uses the 0.0002 epsilon - the
row recorded a non-divergence. Three catch-up test pins re-baselined to
retail semantics with citations. Full Release suite 9,983/0.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Erik 2026-07-30 15:04:17 +02:00
parent 2123b44e8c
commit c0afcacbb2
10 changed files with 174 additions and 32 deletions
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14
tests/AcDream.App.Tests/Input/DispatcherMovementInputSourceTests.cs
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@ -87,14 +87,22 @@ public sealed class DispatcherMovementInputSourceTests
}
[Fact]
public void ForwardDoesNotCancelAutorunAndResetDoes()
public void ForwardCancelsAutorun_AndResetClearsIt()
{
// Movement parity audit 2026-07-30 — retail
// CommandInterpreter::HandleNewForwardMovement (0x006b3d60) is
// literally `SetAutoRun(0, 1)`: EVERY fresh forward press disables
// autorun and hands control back to the key. The previous pin
// ("ForwardDoesNotCancelAutorun") codified the divergence.
var source = CreateSource();
source.HandlePressedAction(InputAction.MovementRunLock);
Assert.False(source.HandlePressedAction(InputAction.MovementForward));
Assert.True(source.AutoRunActive);
source.HandlePressedAction(InputAction.MovementForward);
Assert.False(source.AutoRunActive);
source.HandlePressedAction(InputAction.MovementRunLock);
Assert.True(source.AutoRunActive);
source.ResetSession();
Assert.False(source.AutoRunActive);
}