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**Animation Data Model load/cook time and memory optimizations** - Added SetKeysOnly to FMovieSceneFloatChannel, allowing to only set value/frames values and skip allocating key handles - Added EvaluateWithCache to TMovieSceneCurveChannelImpl, allowing to evaluate multiple curves using a caching data structure holding the frame-indices resulting from the FrameTime -> indexes calculationg - UFKControlRig::GetControlName/GetControlTargetName, added thread_local mapping cache and optimized FName generation - Made the sequencer bone curve keys 'sparse' again, if constant it just sets the default value for the curve otherwise it is still uniform - Only resample keys when compressing, and clear them on any significant model changes and when save-during-cook has been completed - Routed ::Presave for AnimSequencerDataModel directly through to UMovieSceneSignedObject to skip compiling cooked sequencer that that will/should never cooked and packaged - Added some significant pass-by-reference changes to AnimSequencerModel APIs (passing large arrays by value previously) :doh: - Optimized GenerateLegacyBoneData Original CL description: **New** - Engine - IAnimationDataModel interface - AnimationData plugin - AnimSequencerDataModel, sequencer based implementation of IAnimationDataModel - AnimSequencerDataController, controller for above (implementation of IAnimationDataController) - Added FCompressedRichCurve::PopulateCurve, allowing users to convert back to a FRichCurve for validation/debugging - Added DefaultFrameRate to AnimationSettings, this replaces the hardcoded 30FPS in code - Added ::GetKeyIndicesFromTime which takes FFrameRate - Added AnimSequenceBase::OnAnimModelLoaded, this is required for correct postloading behaviour of data model (specifically AnimSequencerDataModel, as it depends on data from its outer ? anim sequence) - Added IAnimationDataModel ::Evaluate which now takes responsibility for evaluating raw animation bone, curve and attribute data. And moved all trackbased evaluation code into AnimDataModel.cpp - Added a.ForceEvalRawData allowing to force evaluation of source data - Added a.SkipDDC to force compressing animation data locally **Changed** - Reparent UAnimDataModel to IAnimationDataModel interface, and rejig behaviour - AnimSequenceBase now reference AnimDataModel as IAnimationDataModel - Upgrade path for legacy to IAnimationDataModel and existing UAnimDataModel to IAnimationDataModel through IAnimationDataController::PopulateWithExisting - IAnimationDataModel data is now frame(number/rate/time) based rather than seconds/keyindices. This enforces frameborder aligned data from now on. - Moved RichCurve evaluation code from RichCurve.cpp to separate file and consolidated all instances of copy-pasta behaviour - Updated/removed deprecated EngineTests around AnimSequences - Changed many instances to use a FFrameTime together with a known FFrameRate versus seconds and sequencelength in float involving frame \/ time calculations (including instances of FAnimKeyHelper) - Switched anim sequence evaluation to use double in Extraction context for time value and patched up places with static\_cast\<double\> - FRichCurve::Eval - Make sure we always evaluate keys when T >= Key0.Time and T <= KeyN.Time to deal with crazy userweighted tangents - Fixed WeightedKeyDataAdapter::GetKeyInterpMode/GetKeyTangentWeightMode retrieving invalid values, as it was indexing according to KeyIndex rather than KeyIndex\*2. This made it so that values were misinterpreted. - Fixed WeightedEvalForTwoKeys for compressed data retrieving GetKeyInterpMode and GetKeyTangentWeightMode using the wrong index value. As they are not indexed using KeyDataHandle type. - Fixed issue where compression could crash when containing zero-key scale additivebase track (tries to retrieve) - Replaced instances of NULL with nullptr - Moved required decompression information into FAnimSequenceDecompressionContext and reimplemented decompression within UE::Anim::Decompression namespace and new file - Deprecated ::GetRawDataGuid and replaced with GetDataModel()->GenerateGuid() - Fixed UAnimStreamable evaluation/compression (previously broken with MVC refactor) - Updated Animation exporting pipeline to be frame-based rather than seconds - Deprecated RetargetPose, replaced with FRetargetingScope (used within AnimModel::Evaluate) - Fixed BaseAdditiveAnimation array become invalid/incorrect when removing zero-additve tracks during compression - Updated EngineTest animation sequence related tests to new APIs (while maintaining deprecated path testing as well for now) - AnimDataController / Animation Sequence tests now generate a USkeleton for the transient animation sequence (used to perform the test on) **Removed** - Unused file/class AnimData/AnimDataNotifyCollector.h #rb Thomas.Sarkanen, Mike.Zyracki #jira UE-131296 #preflight 631f6897a9331c69c3a34d1e [CL 21980597 by Jurre deBaare in ue5-main branch]