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fix(rendering): preserve exact scene traversal order

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This commit is contained in:
Erik 2026-07-25 02:03:58 +02:00
parent 06e7754619
commit e0f36caa70
12 changed files with 500 additions and 77 deletions
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74
tests/AcDream.App.Tests/Rendering/StaticRenderProjectionJournalTests.cs
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@ -137,6 +137,74 @@ public sealed class StaticRenderProjectionJournalTests
StaticRenderProjectionJournal.StaticEntityId(otherLandblock, 42));
}
[Fact]
public void Reconcile_PreservesResidentTraversalOrderInSortKeys()
{
const uint secondLandblock = 0x5678FFFFu;
var journal = new RenderProjectionJournal(Generation(10));
var statics = new StaticRenderProjectionJournal(journal);
WorldEntity first = Entity(99);
WorldEntity liveGap = Entity(77, serverGuid: 0x80000077u);
WorldEntity second = Entity(1);
LandblockBuild firstBuild = Build(
LandblockId,
[first, liveGap, second],
includeShell: false);
LandblockBuild secondBuild = Build(
secondLandblock,
[Entity(500)],
includeShell: false);
statics.Reconcile(firstBuild, Publication(firstBuild));
statics.Reconcile(
secondBuild,
Publication(secondBuild, renderTraversalOrder: 2));
Assert.True(statics.TryGet(
StaticRenderProjectionJournal.StaticEntityId(
LandblockId,
first.Id),
out RenderProjectionRecord firstRecord));
Assert.True(statics.TryGet(
StaticRenderProjectionJournal.StaticEntityId(
LandblockId,
second.Id),
out RenderProjectionRecord secondRecord));
Assert.True(statics.TryGet(
StaticRenderProjectionJournal.StaticEntityId(
secondLandblock,
500),
out RenderProjectionRecord laterLandblockRecord));
Assert.True(firstRecord.SortKey.Value < secondRecord.SortKey.Value);
Assert.True(
secondRecord.SortKey.Value
< laterLandblockRecord.SortKey.Value);
Assert.Equal(
2u,
unchecked((uint)secondRecord.SortKey.Value));
LandblockBuild reordered = Build(
LandblockId,
[second, first],
includeShell: false);
statics.Reconcile(reordered, Publication(reordered));
Assert.True(statics.TryGet(
StaticRenderProjectionJournal.StaticEntityId(
LandblockId,
first.Id),
out firstRecord));
Assert.True(statics.TryGet(
StaticRenderProjectionJournal.StaticEntityId(
LandblockId,
second.Id),
out secondRecord));
Assert.True(secondRecord.SortKey.Value < firstRecord.SortKey.Value);
Assert.Equal(
2uL,
laterLandblockRecord.SortKey.Value >> 32);
}
[Fact]
public void StaleFarPublication_DoesNotMutateProjectionJournal()
{
@ -307,14 +375,16 @@ public sealed class StaticRenderProjectionJournalTests
private static GpuLandblockSpatialPublication Publication(
LandblockBuild build,
bool requiresActivation = true) =>
bool requiresActivation = true,
uint renderTraversalOrder = 1) =>
new(
build.LandblockId,
build.Landblock,
build.EnvCells?.Shells.Select(shell => shell.GeometryId).ToArray()
?? [],
build.Landblock.Entities.Where(entity => entity.ServerGuid == 0).ToArray(),
requiresActivation);
requiresActivation,
renderTraversalOrder);
private static LandblockBuild Build(
uint landblockId,