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fix(rendering): preserve canonical projection ownership

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This commit is contained in:
Erik 2026-07-25 00:47:52 +02:00
parent d8d9897376
commit accd402dd7
2 changed files with 43 additions and 6 deletions
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21
src/AcDream.App/Rendering/Scene/CurrentRenderSceneOracle.cs
View file

@ -522,13 +522,22 @@ internal sealed class CurrentRenderSceneOracle :
tuple.LandblockId);
if (!_dispatcherProjectionByEntity.TryGetValue(
tuple.Entity,
out CurrentRenderProjectionFingerprint projection)
|| projection.LandblockId != cacheLandblockId)
out CurrentRenderProjectionFingerprint projection))
{
projection = CreateFingerprint(
cacheLandblockId,
tuple.Entity,
ProjectionClassOf(tuple.Entity));
// Logical projection identity remains the canonical owner
// captured by the partition. The dispatcher's cache hint is
// a separate routing fact and can intentionally be the
// temporary player-bucket landblock for outdoor objects.
// Conflating the two rewrote identity at this observer edge.
if (!_projectionByEntity.TryGetValue(
tuple.Entity,
out projection))
{
projection = CreateFingerprint(
cacheLandblockId,
tuple.Entity,
ProjectionClassOf(tuple.Entity));
}
_dispatcherProjectionByEntity[tuple.Entity] = projection;
}
var candidate = new CurrentRenderDispatcherFingerprint(

28
tests/AcDream.App.Tests/Rendering/CurrentRenderSceneOracleTests.cs
View file

@ -344,6 +344,34 @@ public sealed class CurrentRenderSceneOracleTests
Assert.NotEqual(first.DispatcherDigest, reset.DispatcherDigest);
}
[Fact]
public void DispatcherTemporaryBucket_DoesNotRewriteProjectionOwner()
{
WorldEntity outdoor = Entity(
id: 61,
serverGuid: 0,
parentCell: null);
var oracle = new CurrentRenderSceneOracle();
var result = new InteriorEntityPartition.Result();
InteriorEntityPartition.Partition(
result,
[],
[Entry(LandblockA, outdoor)],
oracle);
oracle.BeginDispatcherFrame();
oracle.ObserveDispatcherDraw(
WbDrawDispatcher.EntitySet.All,
entitiesWalked: 1,
[(outdoor, 0, LandblockB)]);
CurrentRenderDispatcherFingerprint candidate =
Assert.Single(oracle.DispatcherCandidates);
Assert.Equal(LandblockA, candidate.Projection.LandblockId);
Assert.Equal(LandblockB, candidate.TupleLandblockId);
Assert.Equal(LandblockB, candidate.CacheLandblockId);
}
[Fact]
public void DispatcherAbortDiscardsIncompleteCandidates()
{