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fix(rendering): reconcile shadow roots from live runtime

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Recover ordinary live roots from LiveEntityRuntime's canonical active spatial workset instead of relying on already-retained derived records. Keep attached children callback-authoritative, cache immutable selection geometry fingerprints, and pin zero-allocation retained update paths with regression tests.

Release gate: 3,733 App tests / 3 skips; 8,217 complete-solution tests / 5 skips.

Co-Authored-By: OpenAI Codex <codex@openai.com>
This commit is contained in:
Erik 2026-07-24 22:45:14 +02:00
parent 056bbd4efd
commit 91463db551
7 changed files with 272 additions and 15 deletions
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43
tests/AcDream.App.Tests/Rendering/CurrentRenderSceneOracleTests.cs
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@ -2,6 +2,7 @@ using System.Numerics;
using AcDream.App.Rendering;
using AcDream.App.Rendering.Scene;
using AcDream.App.Rendering.Wb;
using AcDream.Core.Selection;
using AcDream.Core.World;
namespace AcDream.App.Tests.Rendering;
@ -363,6 +364,48 @@ public sealed class CurrentRenderSceneOracleTests
Assert.Empty(oracle.DispatcherCandidates);
}
[Fact]
public void SelectionGeometryFingerprint_IsCachedAndFrameStorageIsReused()
{
const int partCount = 1_000;
var oracle = new CurrentRenderSceneOracle();
var mesh = new RetailSelectionMesh(
Vector3.Zero,
2f,
[new RetailSelectionPolygon(
[
new(-1f, -1f, 0f),
new(1f, -1f, 0f),
new(1f, 1f, 0f),
new(-1f, 1f, 0f),
],
SingleSided: false)]);
PublishSelectionFrame();
long before = GC.GetAllocatedBytesForCurrentThread();
PublishSelectionFrame();
long allocated = GC.GetAllocatedBytesForCurrentThread() - before;
Assert.Equal(partCount, oracle.Snapshot.SelectionPartCount);
Assert.True(allocated == 0, $"Allocated {allocated:N0} bytes.");
void PublishSelectionFrame()
{
oracle.BeginSelectionFrame();
for (int index = 0; index < partCount; index++)
{
oracle.ObserveSelectionPart(
serverGuid: (uint)index + 1,
localEntityId: (uint)index + 1,
partIndex: index,
gfxObjId: 0x0100_0001u,
Matrix4x4.CreateTranslation(index, 0, 0),
mesh);
}
oracle.CompleteSelectionFrame();
}
}
private static CurrentRenderProjectionFingerprint CaptureSingle(
WorldEntity entity,
uint landblockId,