3d89446d98
The retail movement-manager family the R4 MoveToManager port left as do-not-invent seams (decomp §9f/§9g). Faithful C# ports of retail's PositionManager facade + StickyManager + ConstraintManager + the TargetManager voyeur system, with full conformance tests. NO wiring yet — purely additive, no behavior change. Wiring (retiring TS-39 sticky + AP-79 target adapter) is R5-V2/V3. New Core classes (src/AcDream.Core/Physics/Motion/): - StickyManager (0x00555400): follow-a-target steering. adjust_offset's dense x87 mush decoded via ACE (StickyRadius 0.3, StickyTime 1.0, follow speed ×5 / fallback 15) — speed-clamped signed-distance steer + bounded turn-to-face; 1 s watchdog; Ok→initialized / non-Ok→teardown. - ConstraintManager (0x00556090): the server-position rubber-band leash. 90% IsFullyConstrained jump gate + grounded linear brake taper. Structural only — acdream never ARMS it (retail arms from SmartBox::HandleReceivedPosition, which acdream lacks, with two x87 constants BN elided). IsFullyConstrained stays false = TS-35 behavior; leash-arming + the unknown constants are a deferred issue. - PositionManager facade (0x00555160): lazy Sticky/Constraint + fan-out. - TargetManager (0x0051a370) + TargettedVoyeurInfo: the peer-to-peer voyeur subscription system (0.5 s throttle, 10 s staleness, send-on-drift-past-radius, dead-reckon GetInterpolatedPosition). A faithful superset of the AP-79 adapter — SetTarget subscribes ON the target; the target's HandleTargetting pushes updates back. - IPhysicsObjHost: the CPhysicsObj back-pointer seam (position/velocity/ radius/contact/GetObjectA + target-tracking fan-out) the App wires per entity in V2/V3. MotionDeltaFrame: mutable retail-Frame delta accumulator. Supporting: - TargetInfo extended to the full retail 10-field struct (additive defaults keep the R4 4-arg call sites compiling). - MoveToMath: signed CylinderDistanceNoZ, NormalizeCheckSmall, GlobalToLocalVec. - Rename: the misnamed AcDream.Core.Physics.PositionManager (a remote anim+interp per-frame combiner, NOT the retail facade) → RemoteMotion Combiner, freeing the name and removing the ambiguity that breaks every file importing both Physics + Physics.Motion (GameWindow will in V2/V3). Tests: 42 new conformance cases (Sticky/Constraint/Position facade + TargetManager incl. the full cross-entity voyeur round-trip). Full suite 4006 green (+2 skipped), no regressions. Decomp + ACE cross-ref + port plan: docs/research/2026-07-03-r5-managers/. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
100 lines
4.8 KiB
C#
100 lines
4.8 KiB
C#
using System.Numerics;
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namespace AcDream.Core.Physics.Motion;
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/// <summary>
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/// R5 seam — the acdream stand-in for retail's <c>CPhysicsObj</c> as seen BY
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/// its owned managers. Retail's <c>StickyManager</c> / <c>ConstraintManager</c>
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/// / <c>TargetManager</c> each hold a raw <c>physics_obj</c> pointer and call
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/// back through it (position/velocity/radius accessors, target-tracking
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/// registration, the <c>HandleUpdateTarget</c> fan-out) and — for the voyeur
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/// system — resolve OTHER physics objects via <c>CObjectMaint::GetObjectA</c>
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/// and drive their <c>add_voyeur</c> / <c>receive_target_update</c> /
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/// <c>remove_voyeur</c> entry points. This interface is that back-pointer.
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///
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/// <para>The App layer implements one host per entity (a remote
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/// <c>RemoteMotion</c> or the local player), wiring the accessors to the live
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/// <see cref="PhysicsBody"/> and the <see cref="MoveToManager"/> /
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/// <see cref="PositionManager"/> / <see cref="TargetManager"/> it owns.
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/// <see cref="GetObjectA"/> is backed by the App's live entity table
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/// (<c>_entitiesByServerGuid</c>), giving the voyeur round-trip its
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/// cross-entity delivery path.</para>
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/// </summary>
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public interface IPhysicsObjHost
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{
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/// <summary>Retail <c>physics_obj->id</c> — this object's guid.</summary>
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uint Id { get; }
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/// <summary>Retail <c>physics_obj->m_position</c> — world-space cell +
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/// frame (acdream seams carry WORLD space; see the MoveToManager binding
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/// note).</summary>
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Position Position { get; }
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/// <summary>Retail <c>CPhysicsObj::get_velocity</c>.</summary>
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Vector3 Velocity { get; }
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/// <summary>Retail <c>CPhysicsObj::GetRadius</c> — the mover's cylinder
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/// radius.</summary>
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float Radius { get; }
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/// <summary>Retail <c>physics_obj->transient_state & 1</c> — the
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/// CONTACT bit (ConstraintManager's grounded gate).</summary>
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bool InContact { get; }
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/// <summary>Retail <c>CPhysicsObj::get_minterp()->get_max_speed()</c> —
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/// the mover's max locomotion speed, or <c>null</c> if it has no motion
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/// interpreter yet (StickyManager falls back to a 15.0 constant).</summary>
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float? MinterpMaxSpeed { get; }
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/// <summary>Retail <c>Timer::cur_time</c> — the wall/game clock (seconds).
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/// Drives the sticky 1 s timeout and target 10 s staleness deadlines.</summary>
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double CurTime { get; }
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/// <summary>Retail <c>PhysicsTimer::curr_time</c> — the physics-tick clock
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/// (seconds). Drives <c>TargetManager::HandleTargetting</c>'s 0.5 s
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/// throttle. Retail uses a DIFFERENT clock here than <see cref="CurTime"/>;
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/// acdream may bind both to the same source.</summary>
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double PhysicsTimerTime { get; }
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/// <summary>Retail <c>CObjectMaint::GetObjectA(id)</c> — resolve another
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/// physics object by guid, or <c>null</c> if not currently known/visible.
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/// The cross-entity seam for the voyeur round-trip and sticky live-target
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/// resolve.</summary>
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IPhysicsObjHost? GetObjectA(uint id);
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/// <summary>Retail <c>CPhysicsObj::HandleUpdateTarget</c> — fans a
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/// <see cref="TargetInfo"/> to this host's <see cref="MoveToManager"/>
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/// (move-to steering) AND <see cref="PositionManager"/> (sticky follow).
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/// Called from <see cref="TargetManager.ReceiveUpdate"/> and the timeout
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/// path.</summary>
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void HandleUpdateTarget(TargetInfo info);
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/// <summary>Retail <c>CPhysicsObj::interrupt_current_movement</c> →
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/// <c>MovementManager::CancelMoveTo(0x36)</c>.</summary>
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void InterruptCurrentMovement();
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/// <summary>Retail <c>CPhysicsObj::set_target(ctx, objId, radius,
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/// quantum)</c> → <see cref="TargetManager.SetTarget"/> (lazily creating
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/// the TargetManager). Called by <c>StickyManager::StickTo</c> and
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/// <c>MoveToManager</c>'s object-move entry points.</summary>
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void SetTarget(uint contextId, uint objectId, float radius, double quantum);
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/// <summary>Retail <c>CPhysicsObj::clear_target</c> →
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/// <see cref="TargetManager.ClearTarget"/>.</summary>
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void ClearTarget();
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/// <summary>Retail <c>CPhysicsObj::receive_target_update</c> →
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/// <see cref="TargetManager.ReceiveUpdate"/>. The inbound side a SENDER's
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/// <c>SendVoyeurUpdate</c> tail-calls on the watcher.</summary>
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void ReceiveTargetUpdate(TargetInfo info);
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/// <summary>Retail <c>CPhysicsObj::add_voyeur(id, radius, quantum)</c> →
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/// <see cref="TargetManager.AddVoyeur"/> (lazily creating the
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/// TargetManager). Called on the TARGET when a watcher subscribes.</summary>
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void AddVoyeur(uint watcherId, float radius, double quantum);
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/// <summary>Retail <c>CPhysicsObj::remove_voyeur(id)</c> →
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/// <see cref="TargetManager.RemoveVoyeur"/>. Called on the TARGET when a
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/// watcher unsubscribes.</summary>
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void RemoveVoyeur(uint watcherId);
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}
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