LODCollector in Mass Framework

Author: Vladimír Nepor

Published on21. 10. 2023

How does LODCollector work in Mass Framework? Mass Framework is a ECS for managing crowds and traffic in Unreal 5.0 and above.

Platforma

LODCollector with `MassGameplay` built-in resources

LODCollector Trait

Built-in MassGameplay.
Trait located At UE5/Engine/Plugins/Runtime/MassGameplay/Source/MassLOD.
LODCollector trait shares the same Trait file with SimulationLOD.

.h

UCLASS(meta = (DisplayName = "LODCollector"))
class MASSLOD_API UMassLODCollectorTrait : public UMassEntityTraitBase
{
	GENERATED_BODY()

public:
	virtual void BuildTemplate(FMassEntityTemplateBuildContext& BuildContext, const UWorld& World) const override;
};

.cpp

void UMassLODCollectorTrait::BuildTemplate(FMassEntityTemplateBuildContext& BuildContext, const UWorld& World) const
{
	BuildContext.<mark>AddFragment&lt;FMassViewerInfoFragment&gt;</mark>();
	BuildContext.<mark>AddTag&lt;FMassCollectLODViewerInfoTag&gt;</mark>();
	BuildContext.<mark>RequireFragment&lt;FTransformFragment&gt;</mark>();
}

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