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Structs
are data structures that help you organize and manipulate related properties. In the Unreal Engine, they're recognized by the Engine's reflection system, but are not part of the
UObject
ecosystem. As a result, they are faster to create than a
UObject
with the same data layout, and support
UProperties,
but will not be managed by the Garbage Collection system and cannot provide
UFunctions.
Keep in mind that UStructs cannot be used inside classes.
To make a struct into a
UStruct,
use the
USTRUCT
tag above the struct's definition, and include
GENERATED_BODY()
as the first line within the definition, as follows:
USTRUCT([Specifier, Specifier, ...])
struct FStructName
{
GENERATED_BODY()
};