103 lines
4.9 KiB
C#
103 lines
4.9 KiB
C#
using System.Collections.Generic;
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using System.Numerics;
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using AcDream.Core.Physics;
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using AcDream.Core.Physics.Motion;
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namespace AcDream.Core.Tests.Physics.Motion;
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/// <summary>
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/// R5 conformance harness — a scriptable <see cref="IPhysicsObjHost"/> fake
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/// backed by a shared <see cref="World"/> so <see cref="GetObjectA"/> resolves
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/// OTHER hosts (the cross-entity seam the voyeur round-trip needs). Each host
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/// lazily owns a <see cref="TargetManager"/> and a <see cref="PositionManager"/>
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/// (the two R5 managers under test), and records every
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/// <see cref="HandleUpdateTarget"/> the managers fan out so tests can assert on
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/// delivery.
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///
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/// <para>Position/velocity/radius/contact/max-speed and both clocks are mutable
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/// fields tests drive directly (retail's <c>CPhysicsObj</c> accessors). The
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/// <c>set_target</c>/<c>clear_target</c>/<c>add_voyeur</c>/<c>remove_voyeur</c>/
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/// <c>receive_target_update</c> seams forward to the owned
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/// <see cref="TargetManager"/> exactly as retail's <c>CPhysicsObj</c> does.</para>
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/// </summary>
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internal sealed class R5Host : IPhysicsObjHost
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{
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public readonly Dictionary<uint, R5Host> World;
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public R5Host(uint id, Dictionary<uint, R5Host> world)
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{
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Id = id;
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World = world;
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World[id] = this;
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}
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// ── scriptable CPhysicsObj state ───────────────────────────────────────
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public uint Id { get; }
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public Position Position { get; set; } = new(1u, Vector3.Zero, Quaternion.Identity);
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public Vector3 Velocity { get; set; } = Vector3.Zero;
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public float Radius { get; set; } = 0.5f;
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public bool InContact { get; set; } = true;
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public float? MinterpMaxSpeed { get; set; } = 1.0f;
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public double CurTime { get; set; }
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public double PhysicsTimerTime { get; set; }
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/// <summary>Set to false to simulate a target that isn't currently
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/// resolvable (out of streaming view) — <see cref="GetObjectA"/> returns
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/// null for it even while it's in <see cref="World"/>.</summary>
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public bool Resolvable { get; set; } = true;
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// ── owned R5 managers ──────────────────────────────────────────────────
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private TargetManager? _targetManager;
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public TargetManager TargetManager => _targetManager ??= new TargetManager(this);
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public TargetManager? TargetManagerOrNull => _targetManager;
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private PositionManager? _positionManager;
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public PositionManager PositionManager => _positionManager ??= new PositionManager(this);
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// ── recorded fan-outs ──────────────────────────────────────────────────
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public readonly List<TargetInfo> HandleUpdateTargetCalls = new();
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public int InterruptCurrentMovementCalls;
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// ── IPhysicsObjHost ────────────────────────────────────────────────────
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public IPhysicsObjHost? GetObjectA(uint id)
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=> World.TryGetValue(id, out var h) && h.Resolvable ? h : null;
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public IPhysicsObjHost? GetRelationshipTarget(uint objectId) =>
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_targetManager?.GetRelationshipTarget(objectId);
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public void HandleUpdateTarget(TargetInfo info)
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{
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HandleUpdateTargetCalls.Add(info);
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// Retail CPhysicsObj::HandleUpdateTarget also fans to the position
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// manager's sticky sub-manager (context 0). Mirror that so sticky tests
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// that rely on the full CPhysicsObj fan-out see the callback.
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if (info.ContextId == 0)
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_positionManager?.HandleUpdateTarget(info);
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}
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public void InterruptCurrentMovement() => InterruptCurrentMovementCalls++;
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public void SetTarget(uint contextId, uint objectId, float radius, double quantum)
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=> TargetManager.SetTarget(contextId, objectId, radius, quantum);
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public void ClearTarget() => _targetManager?.ClearTarget();
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public void ReceiveTargetUpdate(TargetInfo info, IPhysicsObjHost sender) =>
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_targetManager?.ReceiveUpdate(info, sender);
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public void AddVoyeur(IPhysicsObjHost watcher, float radius, double quantum)
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=> TargetManager.AddVoyeur(watcher, radius, quantum);
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public void RemoveVoyeur(uint watcherId, IPhysicsObjHost expectedWatcher) =>
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_targetManager?.RemoveVoyeur(watcherId, expectedWatcher);
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// ── test helpers ───────────────────────────────────────────────────────
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public void SetOrigin(Vector3 origin)
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=> Position = new Position(Position.ObjCellId, origin, Position.Frame.Orientation);
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public void AdvanceClocks(double seconds)
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{
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CurTime += seconds;
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PhysicsTimerTime += seconds;
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}
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}
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