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feat(phys): A6.P3 #98 — GfxObj dump infrastructure (ACDREAM_DUMP_GFXOBJS)

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Mirror the existing ACDREAM_DUMP_CELLS pattern for GfxObj-owned geometry:
when ACDREAM_DUMP_GFXOBJS lists a hex GfxObj id, the first
PhysicsDataCache.CacheGfxObj for that id writes the full resolved
polygon table to a JSON fixture under
tests/AcDream.Core.Tests/Fixtures/issue98/0x{id:X8}.gfxobj.json (override
dir via ACDREAM_DUMP_GFXOBJS_DIR).

Motivation: the existing [resolve-bldg] probe captures GfxObj-level
metadata (id, BSP root radius, entity origin) but emits
"hitPoly: n/a (BSP path — side-channel not written)" because the
BSPQuery wire site that would populate LastBspHitPoly never landed.
A polygon-level dump at cache time bypasses that gap — one capture run
yields the FULL polygon table, fixture-loadable by the harness's
RegisterCottageGfxObj helper (next commit).

See docs/research/2026-05-23-a6-p3-issue98-comparison-harness-findings.md
for the cottage GfxObj 0x01000A2B context: landblock-baked static at
entity origin (130.5, 11.5, 94.0), responsible for the head-sphere cap
from below at world Z=94.0 that issue #98 is documenting.

Test baseline: 1183 + 8 pre-existing failures (serial run; +5 new tests
all pass; was 1178 + 8 pre-session).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-05-23 20:24:26 +02:00
parent 4d83ba5620
commit cc3afbcbeb
5 changed files with 484 additions and 1 deletions
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24
tests/AcDream.Core.Tests/Physics/PhysicsDiagnosticsTests.cs
View file

@ -1,5 +1,6 @@
using AcDream.Core.Physics;
using DatReaderWriter.Enums;
using System.Collections.Generic;
using System.Numerics;
using Xunit;
@ -141,4 +142,27 @@ public class PhysicsDiagnosticsTests
PhysicsDiagnostics.ProbeStepWalkEnabled = initial;
}
}
// -----------------------------------------------------------------------
// ProbeDumpGfxObjs — parallel of ProbeDumpCells (A6.P3 #98, evening v2).
// -----------------------------------------------------------------------
[Fact]
public void ProbeDumpGfxObjs_EnabledTracksIdSetNonEmpty()
{
var initial = PhysicsDiagnostics.ProbeDumpGfxObjIds;
try
{
PhysicsDiagnostics.ProbeDumpGfxObjIds = new HashSet<uint>();
Assert.False(PhysicsDiagnostics.ProbeDumpGfxObjsEnabled);
PhysicsDiagnostics.ProbeDumpGfxObjIds = new HashSet<uint> { 0x01000A2Bu };
Assert.True(PhysicsDiagnostics.ProbeDumpGfxObjsEnabled);
Assert.Contains(0x01000A2Bu, PhysicsDiagnostics.ProbeDumpGfxObjIds);
}
finally
{
PhysicsDiagnostics.ProbeDumpGfxObjIds = initial;
}
}
}