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Unreal Engine C++ API Reference > Runtime > MovieScene > Evaluation > FMovieSceneEvaluationMetaData
References
| Module | MovieScene |
| Header | /Engine/Source/Runtime/MovieScene/Public/Evaluation/MovieSceneEvaluationField.h |
| Include | #include "Evaluation/MovieSceneEvaluationField.h" |
| Source | /Engine/Source/Runtime/MovieScene/Private/Evaluation/MovieSceneEvaluationField.cpp |
void DiffEntities
&40;
const FMovieSceneEvaluationMetaData & LastFrame,
TArray< FMovieSceneOrderedEvaluationKey > &42; NewKeys,
TArray< FMovieSceneOrderedEvaluationKey > &42; ExpiredKeys
&41; const
Remarks
Diff the active entities (tracks and sections) this frame, with the specified previous frame's meta-data
Parameters
| Name | Description |
|---|---|
| LastFrame | Meta-data pertaining to the last frame |
| NewKeys | (Optional) Ptr to an array that will be populated with entities that are new this frame |
| ExpiredKeys | (Optional) Ptr to an array that will be populated with entities that are no longer being evaluated |