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Add member initializers for FMeshCardsBuildData to avoid Bounds being serialized with NaN values if MaxLumenMeshCards is 0. In this case FMeshUtilities::GenerateCardRepresentationData doesn't populate FCardRepresentationData.

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Bumped the static mesh DDC key to flush out any cached data containing NaNs.

#rb Krzysztof.Narkowicz
#tests Rebuilt mesh cards while MaxLumenMeshCards was set to 0. Observed in Visual Studio that the bounds now consistently initialize zeroed.

[CL 35499929 by nick edwards in ue5-main branch]
This commit is contained in:
nick edwards
2024-08-13 13:38:01 -04:00
parent 0ad9cb9042
commit 69e6a4a6e6
2 changed files with 3 additions and 3 deletions
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2
Engine/Source/Runtime/Core/Private/UObject/FortniteMainBranchObjectVersion.cpp
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@@ -13,7 +13,7 @@ TMap<FGuid, FGuid> FFortniteMainBranchObjectVersion::GetSystemGuids()
SystemGuids.Add(DevGuids.NIAGARASHADERMAP_DERIVEDDATA_VER, FGuid("C417A50271B3427D98785388266E3B66"));
SystemGuids.Add(DevGuids.Niagara_LatestScriptCompileVersion, FGuid("E486231DA967C64B95D4E73131056FA0"));
SystemGuids.Add(DevGuids.SkeletalMeshDerivedDataVersion, FGuid("B9AEAA3EE7AC4FCFB3860E8F3E06DD75"));
SystemGuids.Add(DevGuids.STATICMESH_DERIVEDDATA_VER, FGuid("7F8E1537-E2A9-4A9C-8CF2-A6272A5A8176"));
SystemGuids.Add(DevGuids.STATICMESH_DERIVEDDATA_VER, FGuid("67EF7DA7-C4F9-4751-85DB-5A6E7E74860C"));
SystemGuids.Add(DevGuids.MaterialTranslationDDCVersion, FGuid("5F69E03D3B204DA38D8CF564CB24F23F"));
return SystemGuids;
}

4
Engine/Source/Runtime/Engine/Public/MeshCardBuild.h
View File

@@ -87,8 +87,8 @@ public:
class FMeshCardsBuildData
{
public:
FBox Bounds;
bool bMostlyTwoSided;
FBox Bounds = FBox(ForceInit);
bool bMostlyTwoSided = false;
TArray<FLumenCardBuildData> CardBuildData;
// Temporary debug visualization data, don't serialize