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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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6
src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs
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@ -251,7 +251,7 @@ internal sealed class RuntimeRemotePhysicsUpdater
rm.PositionManagerDeltaScratch;
pmDelta.Origin = scaledRootMotionLocalOrigin;
pmDelta.Orientation = rootMotionLocalFrame.Orientation;
float maxSpeedNpc = rm.Motion.GetMaxSpeed();
float maxSpeedNpc = rm.Motion.GetAdjustedMaxSpeed();
System.Numerics.Vector3? terrainNormalNpc = !rm.Airborne
? _physics.Engine.SampleTerrainNormal(
rm.Body.Position.X,
@ -288,7 +288,7 @@ internal sealed class RuntimeRemotePhysicsUpdater
rm.PositionManagerDeltaScratch;
pmDelta.Origin = scaledRootMotionLocalOrigin;
pmDelta.Orientation = rootMotionLocalFrame.Orientation;
float maxSpeedNpc = rm.Motion.GetMaxSpeed();
float maxSpeedNpc = rm.Motion.GetAdjustedMaxSpeed();
System.Numerics.Vector3? terrainNormalNpc = !rm.Airborne
? _physics.Engine.SampleTerrainNormal(
rm.Body.Position.X,
@ -682,7 +682,7 @@ internal sealed class RuntimeRemotePhysicsUpdater
rm.Body.Orientation,
positionDelta,
rm.Interp,
rm.Motion.GetMaxSpeed(),
rm.Motion.GetAdjustedMaxSpeed(),
positionDelta,
inContact: rm.Body.InContact);
rm.Host?.PositionManager.AdjustOffset(positionDelta, dt);