#119-residual: tower-ascent harness pins the roof-lip flood gap; barrel claim RETRACTED (user axiom: not in retail)
User verdict on the post-#120 build: "Barrel is gone and more stairs exist" - the #120 fix partially cured the tower, and the earlier "legit dat barrels on the landings" claim is RETRACTED (USER AXIOM: the barrel is NOT in the tower in retail; what the user saw was itself a render artifact of the corrupted floods, and what the 0x020005D8 cell statics actually render as is unverified - do not assume barrel). Remaining tower bugs, both PINNED by TowerAscentReplayTests (the #118 exit-walk pattern, vertical - a helix ascent with the gaze locked ON the staircase, so a cull has no gaze excuse): - steps 195-201 (eye z 126.9-127.3, the roof-lip band between the main cell's ceiling at 126.8 and the roof aperture plane at ~127.2) resolve OUTDOOR and the per-building exterior flood admits NOTHING (flood=1 = the outdoor node alone): the eye is above every side aperture's useful view and ON/INSIDE the roof aperture's plane, so BuildFromExterior's seed side-test / in-plane reject refuses every exit portal. The tower interior never floods -> the staircase (a 0x0107 static) cone-culls while staying walkable (user symptom 1), and the roof-lip cell geometry flaps as the live eye bobs across the band's edges (user symptom 2). One mechanism, both symptoms. - The pin is committed as a SKIPPED red test (TowerAscent_StaircaseStaysConeVisible_EveryStep; the skip reason carries the defect) so the suite stays green - un-skip with the fix. - TowerAscent_RootDoesNotPingPong + the per-step diagnostic stay active. Fix direction (oracle-first, next): determine which side diverges from retail - (a) viewer-cell resolution (retail curr_cell may keep the eye INTERIOR through the band: keep-curr above open-top cells / cell BSP classifying the parapet bowl as inside 0x010A, where our resolution demotes to outdoor), or (b) exterior seed admission (retail ConstructView(CBldPortal) Sidedness with an in-plane eye). Grep the named decomp for both before touching either layer. Suites: App 238 + 1 skip (236+3 new, 1 pinned), Core 1419+2skip, UI 420, Net 294. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Erik
parent
0c55b473dd
commit
899145e1d7
3 changed files with 303 additions and 18 deletions
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@ -4077,23 +4077,50 @@ area:**
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tracked under #112; note the #120 ping-pong fired at exactly A9B3
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0103↔010F, so re-check after the #120 fix (`dede7e4`).
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**DECODED + LIKELY FIXED BY #120 (2026-06-11 evening):** the user's
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logout position pinned the tower (cell 0xAAB30107, AAB3 building[1]
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model 0x01001117). Dat truth (`Issue119TowerDumpTests`): the stairs are
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ONE static — Setup 0x020003F2, a 43-part spiral staircase at the tower
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center (placement frames perfect, all parts drawable); the "extraneous
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barrel" = the four 0x020005D8 wall barrels on the landings — legit dat
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statics orphaned by the missing staircase. Pipeline exonerated layer by
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layer (extraction, hydration ParentCellId=envCellId, per-MeshRef
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registration, dispatcher compose); clean WB_DIAG counters at the tower
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spawn: meshMissing=0, entSeen==entDrawn. **A screenshot of the running
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post-fix build shows the staircase RENDERING.** Mechanism (most
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plausible): the tower's three threshold cells portal back to 0x0107 —
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climbing the stairs walks the eye through those portal planes, exactly
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the #120 ping-pong window; the corrupted/aborted floods broke the
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statics' viewcone per frame. The original report predates the #120 fix;
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re-gate #2 did not re-check the stairs. **Pending: user verdict on the
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tower stairs + barrels in the current build** — if clean, close #119.
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**DECODED (2026-06-11 evening):** the user's logout position pinned the
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tower (cell 0xAAB30107, AAB3 building[1] model 0x01001117). Dat truth
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(`Issue119TowerDumpTests`): the stairs are ONE static — Setup
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0x020003F2, a 43-part spiral staircase at the tower center (placement
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frames perfect, all parts drawable). Pipeline exonerated layer by layer
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(extraction, hydration ParentCellId=envCellId, per-MeshRef registration,
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dispatcher compose); clean WB_DIAG counters at the tower spawn:
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meshMissing=0, entSeen==entDrawn.
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**⚠️ USER AXIOM (2026-06-11 late): the barrel is NOT in the tower in
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retail.** The earlier "legit dat barrels on the landings" claim is
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RETRACTED — what the user saw was itself a render artifact. Post-#120
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verdict: "Barrel is gone and more stairs exist" — both improved
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together, consistent with the "barrel" being mis-drawn staircase
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geometry under the corrupted floods. (What the four 0x020005D8 cell
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statics actually render as remains UNVERIFIED — do not assume barrel.)
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**REMAINING (user, post-#120 build):**
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1. Running UP the tower, the TOP stairs disappear visually but stay
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walkable.
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2. On top of the tower, the roof and edges FLAP into existence and
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back.
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**PINNED 2026-06-11 late (`TowerAscentReplayTests`, gaze locked ON the
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staircase — no gaze excuse):** in the roof-lip band (eye z ≈ 126.9–127.3,
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between the main cell's ceiling at 126.8 and the roof aperture plane at
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~127.2) the eye resolves OUTDOOR and the per-building exterior flood
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admits NOTHING (flood=1 = the outdoor node alone): the eye sits above
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every side aperture's useful view and ON/INSIDE the roof aperture's
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plane, so `BuildFromExterior`'s seed side-test / in-plane reject refuses
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every exit portal. The tower interior never floods → the staircase
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(a 0x0107 static) culls while walkable; the roof-lip cell geometry flaps
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as the live eye bobs across the band's edges. The pin is committed as a
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skipped red test (`TowerAscent_StaircaseStaysConeVisible_EveryStep`,
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skip reason carries the defect) — un-skip with the fix.
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**Fix needs the retail oracle (next):** which side diverges —
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(a) the VIEWER-CELL resolution (retail's curr_cell may keep the eye
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INTERIOR through this band: keep-curr above open-top cells / the cell
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BSP classifying the parapet bowl as inside 0x010A, where our resolution
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demotes to outdoor), or (b) the exterior seed admission (retail
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ConstructView(CBldPortal) Sidedness on an in-plane eye). Grep
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`ConstructView` CBldPortal + `SmartBox::update_viewer` above open-top
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cells before touching either layer.
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---
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@ -39,7 +39,7 @@ public class Issue120ReciprocalPingPongTests
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private readonly ITestOutputHelper _out;
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public Issue120ReciprocalPingPongTests(ITestOutputHelper output) => _out = output;
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private static Dictionary<uint, LoadedCell> LoadAllInteriorCells(DatCollection dats, uint landblock)
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internal static Dictionary<uint, LoadedCell> LoadAllInteriorCells(DatCollection dats, uint landblock)
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{
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var lbi = dats.Get<DatLandBlockInfo>(landblock | 0xFFFEu);
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Assert.NotNull(lbi);
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258
tests/AcDream.App.Tests/Rendering/TowerAscentReplayTests.cs
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258
tests/AcDream.App.Tests/Rendering/TowerAscentReplayTests.cs
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@ -0,0 +1,258 @@
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using System;
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using System.Collections.Generic;
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using System.Numerics;
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using AcDream.App.Rendering;
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using DatReaderWriter;
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using DatReaderWriter.Options;
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using Xunit;
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using Xunit.Abstractions;
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namespace AcDream.App.Tests.Rendering;
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/// <summary>
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/// #119 residual — the tower-ascent harness (the #118 exit-walk pattern,
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/// vertical). User report (post-#120 build): running UP the AAB3 tower
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/// (cell 0xAAB30107, building[1] model 0x01001117) the TOP stairs disappear
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/// visually but stay walkable, and at the top the roof/edges FLAP in and
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/// out. The tower's upper cells are thin landing/roof slabs with EXIT
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/// portals (0x0108 z≈121–123, 0x0109 z≈112–114.5, 0x010A z≈126.8–127.2 —
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/// the roof lip), so the ascent walks the eye across exit-portal planes —
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/// the same decision-stack territory as #118/#120.
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///
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/// Per step of a helix matching the spiral staircase, this drives the
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/// production stack headlessly: viewer-cell resolution (smallest containing
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/// AABB; outdoor when none) → PortalVisibilityBuilder.Build (+ the
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/// per-building exterior floods on outdoor steps, mirroring
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/// RetailPViewRenderer.MergeNearbyBuildingFloods) → ClipFrameAssembler →
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/// ViewconeCuller → the DrawCellObjectLists predicate for the staircase
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/// static (Setup 0x020003F2, ParentCellId 0x0107). The failing steps pin
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/// the vanish; root/visibility instability across adjacent steps pins the
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/// flap.
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/// </summary>
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public class TowerAscentReplayTests
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{
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private readonly ITestOutputHelper _out;
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public TowerAscentReplayTests(ITestOutputHelper output) => _out = output;
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private const uint Landblock = 0xAAB30000u;
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private const uint MainCell = Landblock | 0x0107u;
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// Tower geometry (Issue119TowerDumpTests dat facts): origin (108,60,112);
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// the staircase Setup spans local x,y ∈ [-4,4], z ∈ [0,15.5]. Production
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// EntitySphere = AABB center + half-diagonal.
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private static readonly Vector3 TowerCenter = new(108f, 60f, 112f);
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private static readonly Vector3 StairSphereCenter = new(108f, 60f, 119.75f);
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private const float StairSphereRadius = 9.45f;
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private sealed record AscentStep(
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int Index,
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Vector3 Eye,
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uint RootCellId, // 0 = outdoor
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bool FloodHasMainCell,
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bool StairsConeVisible,
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int OutsidePolys,
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int FloodCells);
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private static Matrix4x4 ViewProjFor(Vector3 eye, Vector3 lookAt)
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{
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var view = Matrix4x4.CreateLookAt(eye, lookAt, Vector3.UnitZ);
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var proj = Matrix4x4.CreatePerspectiveFieldOfView(1.2f, 1280f / 720f, 0.1f, 5000f);
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return view * proj;
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}
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private static uint? ResolveInteriorCellByAabb(
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Dictionary<uint, LoadedCell> cells, Vector3 worldPoint, float margin = 0.05f)
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{
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uint? best = null;
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float bestVolume = float.MaxValue;
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foreach (var (id, cell) in cells)
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{
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var local = Vector3.Transform(worldPoint, cell.InverseWorldTransform);
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var min = cell.LocalBoundsMin - new Vector3(margin);
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var max = cell.LocalBoundsMax + new Vector3(margin);
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if (local.X < min.X || local.Y < min.Y || local.Z < min.Z
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|| local.X > max.X || local.Y > max.Y || local.Z > max.Z)
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continue;
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var ext = cell.LocalBoundsMax - cell.LocalBoundsMin;
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float volume = MathF.Max(ext.X, 1e-3f) * MathF.Max(ext.Y, 1e-3f) * MathF.Max(ext.Z, 1e-3f);
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if (volume < bestVolume) { bestVolume = volume; best = id; }
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}
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return best;
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}
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// Mirror of RetailPViewRenderer.MergeBuildingFrame (union semantics).
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private static void MergeFrame(PortalVisibilityFrame target, PortalVisibilityFrame src)
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{
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foreach (uint cellId in src.OrderedVisibleCells)
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{
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if (!src.CellViews.TryGetValue(cellId, out var srcView)) continue;
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if (target.CellViews.TryGetValue(cellId, out var existing))
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{
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foreach (var p in srcView.Polygons) existing.Add(p);
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continue;
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}
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target.CellViews[cellId] = srcView;
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target.OrderedVisibleCells.Add(cellId);
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}
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}
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private List<AscentStep>? RunAscent()
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{
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var datDir = CornerFloodReplayTests.ResolveDatDir();
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if (datDir is null) { _out.WriteLine("SKIP: dats unavailable"); return null; }
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using var dats = new DatCollection(datDir, DatAccessType.Read);
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var cells = Issue120ReciprocalPingPongTests.LoadAllInteriorCells(dats, Landblock);
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Func<uint, LoadedCell?> lookup = id => cells.TryGetValue(id, out var c) ? c : null;
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Assert.True(cells.ContainsKey(MainCell), "tower main cell not loaded");
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// The tower building's cell list (Issue119TowerDumpTests: building[1]
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// stabs = 0x0107..0x010A) — the per-building flood candidates on
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// outdoor-root steps, mirroring GameWindow's gather.
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var towerCells = new List<LoadedCell>();
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for (uint low = 0x0107u; low <= 0x010Au; low++)
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if (cells.TryGetValue(Landblock | low, out var c))
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towerCells.Add(c);
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// Eye helix matching the spiral: two turns, radius 2.5 m, z from head
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// height at the base to above the roof lip (cell 0x010A tops at 127.2).
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const int Steps = 220;
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const float ZStart = 113.6f, ZEnd = 128.6f;
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var clipFrame = ClipFrame.NoClip();
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var steps = new List<AscentStep>(Steps + 1);
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for (int i = 0; i <= Steps; i++)
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{
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float t = i / (float)Steps;
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float theta = t * 4f * MathF.PI;
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float z = ZStart + t * (ZEnd - ZStart);
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var eye = new Vector3(
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TowerCenter.X + 2.5f * MathF.Cos(theta),
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TowerCenter.Y + 2.5f * MathF.Sin(theta),
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z);
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// look AT the staircase (the user's framing while climbing: the
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// camera tracks the player on the stairs). An unambiguous pin:
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// if the staircase cone-culls while looked at directly, the
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// visibility stack is wrong — no gaze excuse.
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var gaze = StairSphereCenter - eye;
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if (gaze.LengthSquared() < 1e-4f) gaze = new Vector3(0f, 0f, -1f);
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var viewProj = ViewProjFor(eye, eye + Vector3.Normalize(gaze) * 3f);
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uint rootCellId = 0u;
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PortalVisibilityFrame pv;
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var contained = ResolveInteriorCellByAabb(cells, eye);
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if (contained.HasValue)
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{
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rootCellId = contained.Value;
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pv = PortalVisibilityBuilder.Build(cells[rootCellId], eye, lookup, viewProj);
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}
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else
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{
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// outdoor root: full-screen outside view + the per-building
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// exterior floods (RetailPViewRenderer.MergeNearbyBuildingFloods)
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var outdoor = OutdoorCellNode.Build(Landblock | 0x0001u);
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pv = PortalVisibilityBuilder.Build(outdoor, eye, lookup, viewProj);
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var bf = PortalVisibilityBuilder.ConstructViewBuilding(
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towerCells, eye, lookup, viewProj);
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MergeFrame(pv, bf);
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}
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var asm = ClipFrameAssembler.Assemble(clipFrame, pv);
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var cone = ViewconeCuller.Build(asm, viewProj);
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bool floodHasMain = pv.CellViews.ContainsKey(MainCell);
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// DrawCellObjectLists predicate for a 0x0107 static: sphere vs the
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// cell's views (RetailPViewRenderer.cs DrawCellObjectLists / T3).
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bool stairsVisible = cone.SphereVisibleInCell(MainCell, StairSphereCenter, StairSphereRadius);
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steps.Add(new AscentStep(
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i, eye, rootCellId, floodHasMain, stairsVisible,
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pv.OutsideView.Polygons.Count, pv.OrderedVisibleCells.Count));
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}
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return steps;
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}
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private void DumpSteps(IEnumerable<AscentStep> steps, Func<AscentStep, bool>? filter = null)
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{
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foreach (var st in steps)
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{
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if (filter is not null && !filter(st)) continue;
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string root = st.RootCellId == 0 ? "OUTDOOR " : FormattableString.Invariant($"0x{st.RootCellId:X8}");
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string stairs = st.StairsConeVisible ? "VIS " : "CULL";
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_out.WriteLine(FormattableString.Invariant(
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$"step={st.Index,3} eye=({st.Eye.X:F2},{st.Eye.Y:F2},{st.Eye.Z:F2}) root={root} floodMain={st.FloodHasMainCell} stairs={stairs} outPolys={st.OutsidePolys} flood={st.FloodCells}"));
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}
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}
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/// <summary>
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/// The vanish pin: the staircase static must stay cone-visible on every
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/// ascent step (the gaze looks STRAIGHT AT it — no gaze excuse).
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///
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/// PINNED RED 2026-06-11 (skip carries the defect; un-skip with the fix):
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/// steps 195–201 (eye z 126.9–127.3, the roof-lip band between the main
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/// cell's ceiling at 126.8 and the roof aperture plane at ~127.2) resolve
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/// OUTDOOR and the per-building exterior flood admits NOTHING (flood=1 =
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/// the outdoor node alone) — the eye is above every side aperture's
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/// useful view and ON/INSIDE the roof aperture's plane, so
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/// BuildFromExterior's seed side-test/in-plane reject refuses every exit
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/// portal. The tower interior never floods → the staircase (a 0x0107
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/// static) has no views → culled while walkable, and the roof-lip cell
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/// geometry flaps as the live eye bobs across the band's edges. Fix
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/// needs the retail oracle: does retail keep the viewer cell INTERIOR
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/// through this band (curr_cell keep-curr above open-top cells), or can
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/// ConstructView(CBldPortal) seed with an in-plane eye?
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/// </summary>
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[Fact(Skip = "#119-residual: pins the roof-lip flood gap (steps 195-201) — un-skip with the fix; see the doc comment")]
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public void TowerAscent_StaircaseStaysConeVisible_EveryStep()
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{
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var steps = RunAscent();
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if (steps is null) return;
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var failures = steps.FindAll(s => !s.StairsConeVisible);
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if (failures.Count > 0)
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{
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_out.WriteLine($"--- {failures.Count} stairs-CULLED steps ---");
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DumpSteps(failures);
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}
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Assert.True(failures.Count == 0,
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$"{failures.Count}/{steps.Count} ascent steps cone-cull the staircase (first at step {(failures.Count > 0 ? failures[0].Index : -1)}) — see output");
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}
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/// <summary>
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/// The flap pin: along a smooth monotone ascent, the resolved root may
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/// transition between cells/outdoor but must not PING-PONG (A→B→A within
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/// three consecutive steps = a knife-edge decision the live camera jitter
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/// turns into per-frame flapping).
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/// </summary>
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[Fact]
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public void TowerAscent_RootDoesNotPingPong()
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{
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var steps = RunAscent();
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if (steps is null) return;
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var flips = new List<int>();
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for (int i = 2; i < steps.Count; i++)
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{
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uint a = steps[i - 2].RootCellId, b = steps[i - 1].RootCellId, c = steps[i].RootCellId;
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if (a != b && b != c && a == c)
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flips.Add(i - 1);
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}
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if (flips.Count > 0)
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{
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_out.WriteLine($"--- {flips.Count} root ping-pong steps ---");
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DumpSteps(steps, s => flips.Contains(s.Index) || flips.Contains(s.Index - 1) || flips.Contains(s.Index + 1));
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}
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Assert.True(flips.Count == 0,
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$"{flips.Count} root ping-pongs along a monotone ascent — knife-edge root decisions (see output)");
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}
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/// <summary>Full per-step table for the investigation record.</summary>
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[Fact]
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public void Diagnostic_TowerAscent_PerStepTable()
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{
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var steps = RunAscent();
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if (steps is null) return;
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DumpSteps(steps);
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}
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}
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