485 lines
18 KiB
Ucode
485 lines
18 KiB
Ucode
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/**
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* One animation sequence of keyframes. Contains a number of tracks of data.
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* The Outer of AnimSequence is expected to be its AnimSet.
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*
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class AnimSequence extends Object
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native(Anim)
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config(Engine)
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hidecategories(Object);
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/*
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* Triggers an animation notify. Each AnimNotifyEvent contains an AnimNotify object
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* which has its Notify method called and passed to the animation.
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*/
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struct native AnimNotifyEvent
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{
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var() float Time;
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var() instanced AnimNotify Notify;
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var() editoronly Name Comment;
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var() float Duration;
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};
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/**
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* Raw keyframe data for one track. Each array will contain either NumFrames elements or 1 element.
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* One element is used as a simple compression scheme where if all keys are the same, they'll be
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* reduced to 1 key that is constant over the entire sequence.
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*
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* @warning: manually mirrored in UnMiscDeclerations.h due to mixed native/ script serialization
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*/
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struct RawAnimSequenceTrack
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{
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/** Position keys. */
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var array<vector> PosKeys;
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/** Rotation keys. */
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var array<quat> RotKeys;
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};
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/** Name of the animation sequence. Used in AnimNodeSequence. */
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var name SequenceName;
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/** Animation notifies, sorted by time (earliest notification first). */
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var() editinline array<AnimNotifyEvent> Notifies;
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/** Animation Meta Data */
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var() editinline instanced Array<AnimMetaData> MetaData;
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/*
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* This is to support Skel Control Strength from animation data
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* For example, if you'd like to scale bones via SkelControlSingleBone from animation data.
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* This looks up SkelControlName in the Anim tree and apply strength at the point where it's set up
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*/
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struct native TimeModifier
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{
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/** Time to apply **/
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var() float Time;
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/** Target Strength of the Skel Control at this time **/
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/** This will linearly interpolate between multiple strength within one anim data**/
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var() float TargetStrength;
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};
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/* DEPRECATED VER_ADDED_ANIM_METADATA_FIXED_QUATERROR
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* This contains all skel control modifiers
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* The TimeModifier will be sorted by time
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* Initially it starts from what strength it was when animation started.
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*/
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struct native SkelControlModifier
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{
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/** SkelControl Node Name in the Anim Tree that would apply **/
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var() name SkelControlName;
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/** Modifiers for what time and what strength for this skelcontrol name**/
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var() editinline array<TimeModifier> Modifiers;
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};
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/** DEPRECATED VER_ADDED_ANIM_METADATA_FIXED_QUATERROR Bone Control Modifiers, sorted by time (earliest notification first). */
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var deprecated editinline array<SkelControlModifier> BoneControlModifiers;
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/** Length (in seconds) of this AnimSequence if played back with a speed of 1.0. */
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var float SequenceLength;
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/** Number of raw frames in this sequence (not used by engine - just for informational purposes). */
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var int NumFrames;
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/** Number for tweaking playback rate of this animation globally. */
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var() float RateScale;
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/**
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* if TRUE, disable interpolation between last and first frame when looping.
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*/
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var() bool bNoLoopingInterpolation;
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/**
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* Raw uncompressed keyframe data. RawAnimData is deprecated and moved to RawAnimationData
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* to switch to native serialization. Down the road it should be switched to use lazy loading
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* as the data is only used in the editor. It is used pervasively enough to be a separate change.
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*/
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var deprecated private const array<RawAnimSequenceTrack> RawAnimData;
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var native private const array<RawAnimSequenceTrack> RawAnimationData;
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/**
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* Keyframe position data for one track. Pos(i) occurs at Time(i). Pos.Num() always equals Time.Num().
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*/
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struct native TranslationTrack
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{
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var array<vector> PosKeys;
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var array<float> Times;
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};
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/**
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* Keyframe rotation data for one track. Rot(i) occurs at Time(i). Rot.Num() always equals Time.Num().
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*/
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struct native RotationTrack
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{
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var array<quat> RotKeys;
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var array<float> Times;
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};
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/**
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* Key frame curve data for one track
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* CurveName: Morph Target Name
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* CurveWeights: List of weights for each frame
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*/
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struct native CurveTrack
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{
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var name CurveName;
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var array<float> CurveWeights;
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structcpptext
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{
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/** Returns TRUE if valid curve weight exists in the array*/
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UBOOL IsValidCurveTrack();
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/** This is very simple cut to 1 key method if all is same since I see so many redundant same value in every frame
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* Eventually this can get more complicated
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* Will return TRUE if compressed to 1. Return FALSE otherwise **/
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UBOOL CompressCurveWeights();
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}
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};
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/**
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* Translation data post keyframe reduction. TranslationData.Num() is zero if keyframe reduction
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* has not yet been applied.
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*/
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var transient const array<TranslationTrack> TranslationData;
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/**
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* Rotation data post keyframe reduction. RotationData.Num() is zero if keyframe reduction
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* has not yet been applied.
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*/
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var transient const array<RotationTrack> RotationData;
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/*
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* Curve data - no compression yet
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*/
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var const array<CurveTrack> CurveData;
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/**
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* The compression scheme that was most recently used to compress this animation.
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* May be NULL.
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*/
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var() editinline editconst editoronly AnimationCompressionAlgorithm CompressionScheme;
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/**
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* Indicates animation data compression format.
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*/
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enum AnimationCompressionFormat
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{
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ACF_None,
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ACF_Float96NoW,
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ACF_Fixed48NoW,
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ACF_IntervalFixed32NoW,
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ACF_Fixed32NoW,
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ACF_Float32NoW,
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ACF_Identity
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};
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/** The compression format that was used to compress translation tracks. */
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var const AnimationCompressionFormat TranslationCompressionFormat;
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/** The compression format that was used to compress rotation tracks. */
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var const AnimationCompressionFormat RotationCompressionFormat;
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struct native CompressedTrack
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{
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var array<byte> ByteStream;
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var array<float> Times;
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var float Mins[3];
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var float Ranges[3];
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};
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/**
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* An array of 4*NumTrack ints, arranged as follows:
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* [0] Trans0.Offset
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* [1] Trans0.NumKeys
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* [2] Rot0.Offset
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* [3] Rot0.NumKeys
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* [4] Trans1.Offset
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* . . .
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*/
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var array<int> CompressedTrackOffsets;
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/**
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* ByteStream for compressed animation data.
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* All keys are currently stored at evenly-spaced intervals (ie no explicit key times).
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*
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* For a translation track of n keys, data is packed as n uncompressed float[3]:
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*
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* For a rotation track of n>1 keys, the first 24 bytes are reserved for compression info
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* (eg Fixed32 stores float Mins[3]; float Ranges[3]), followed by n elements of the compressed type.
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* For a rotation track of n=1 keys, the single key is packed as an FQuatFloat96NoW.
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*/
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var native array<byte> CompressedByteStream;
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/**
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* Indicates animation data compression format.
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*/
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enum AnimationKeyFormat
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{
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AKF_ConstantKeyLerp,
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AKF_VariableKeyLerp,
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AKF_PerTrackCompression,
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};
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var const AnimationKeyFormat KeyEncodingFormat;
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/**
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* The runtime interface to decode and byte swap the compressed animation
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* May be NULL. Set at runtime - does not exist in editor
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*/
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var private transient native pointer TranslationCodec;
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var private transient native pointer RotationCodec;
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// Additive Animation Support
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/** TRUE if this is an Additive Animation */
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var const bool bIsAdditive;
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/** Reference pose for additive animation. Deprecated. */
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var const deprecated Array<BoneAtom> AdditiveRefPose;
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/** Store Reference Pose animation used to create this additive one. For playback in editor only. */
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var const Array<RawAnimSequenceTrack> AdditiveBasePose;
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/** Reference animation name */
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var const editoronly Name AdditiveRefName;
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/** TRUE if additive animation was built with looping interpolation. */
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var editoronly bool bAdditiveBuiltLooping;
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/** If this animation is Additive, this is the reference to the Base Pose used. For automatic rebuilding in the editor. Made into a list to handle duplicate animations. */
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var editoronly Array<AnimSequence> AdditiveBasePoseAnimSeq;
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/** If this animation is Additive, this is the reference to the Target Pose used. For automatic rebuilding in the editor. Made into a list to handle duplicate animations. */
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var editoronly Array<AnimSequence> AdditiveTargetPoseAnimSeq;
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/** If this animation was used, either as a Base or Target Pose, to build additive animations, they are referenced there. For automatic rebuilding in the editor. */
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var editoronly Array<AnimSequence> RelatedAdditiveAnimSeqs;
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// Versioning Support
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/** The version of the global encoding package used at the time of import */
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var const int EncodingPkgVersion;
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/** Saved version number with CompressAnimations commandlet. To help with doing it in multiple passes. */
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var editoronly const int CompressCommandletVersion;
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/**
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* Do not attempt to override compression scheme when running CompressAnimations commandlet.
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* Some high frequency animations are too sensitive and shouldn't be changed.
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*/
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var() editoronly const bool bDoNotOverrideCompression;
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/**
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* Debug flag to trace if this anim sequence was played.
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*/
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var const transient bool bHasBeenUsed;
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/**
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* Debug score to find out animation usage
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*/
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var const transient float UseScore;
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/**
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* Used to track whether, or not, this sequence was compressed with it's full translation tracks
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*/
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var editoronly bool bWasCompressedWithoutTranslations;
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cpptext
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{
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// UObject interface
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virtual void Serialize(FArchive& Ar);
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virtual void PreSave();
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virtual void PostLoad();
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
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virtual void BeginDestroy();
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/**
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* Used by various commandlets to purge editor only and platform-specific data from various objects
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*
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* @param PlatformsToKeep Platforms for which to keep platform-specific data
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* @param bStripLargeEditorData If TRUE, data used in the editor, but large enough to bloat download sizes, will be removed
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*/
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virtual void StripData(UE3::EPlatformType PlatformsToKeep, UBOOL bStripLargeEditorData);
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// AnimSequence interface
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/**
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* Reconstructs a bone atom from key-reduced tracks.
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*/
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static void ReconstructBoneAtom(FBoneAtom& OutAtom,
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const FTranslationTrack& TranslationTrack,
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const FRotationTrack& RotationTrack,
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FLOAT SequenceLength,
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FLOAT Time,
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UBOOL bLooping);
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/**
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* Reconstructs a bone atom from compressed tracks.
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*/
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static void ReconstructBoneAtom(FBoneAtom& OutAtom,
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const FCompressedTrack& TranslationTrack,
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const FCompressedTrack& RotationTrack,
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AnimationCompressionFormat TranslationCompressionFormat,
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AnimationCompressionFormat RotationCompressionFormat,
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FLOAT SequenceLength,
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FLOAT Time,
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UBOOL bLooping);
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/**
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* Reconstructs a bone atom from compressed tracks.
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*/
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static void ReconstructBoneAtom(FBoneAtom& OutAtom,
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const BYTE* TransStream,
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INT NumTransKeys,
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const BYTE* RotStream,
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INT NumRotKeys,
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AnimationCompressionFormat TranslationCompressionFormat,
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AnimationCompressionFormat RotationCompressionFormat,
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FLOAT SequenceLength,
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FLOAT Time,
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UBOOL bLooping);
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/**
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* Decompresses a translation key from the specified compressed translation track.
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*/
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static void ReconstructTranslation(class FVector& Out, const BYTE* Stream, INT KeyIndex, AnimationCompressionFormat TranslationCompressionFormat);
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/**
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* Decompresses a rotation key from the specified compressed rotation track.
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*/
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static void ReconstructRotation(class FQuat& Out, const BYTE* Stream, INT KeyIndex, AnimationCompressionFormat RotationCompressionFormat, const FLOAT *Mins, const FLOAT *Ranges);
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/**
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* Decompresses a translation key from the specified compressed translation track.
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*/
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static void ReconstructTranslation(class FVector& Out, const BYTE* Stream, INT KeyIndex);
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/**
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* Decompresses a rotation key from the specified compressed rotation track.
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*/
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static void ReconstructRotation(class FQuat& Out, const BYTE* Stream, INT KeyIndex, UBOOL bTrackHasCompressionInfo, AnimationCompressionFormat RotationCompressionFormat);
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/**
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* Populates the key reduced arrays from raw animation data.
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*/
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static void SeparateRawDataToTracks(const TArray<FRawAnimSequenceTrack>& RawAnimData,
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FLOAT SequenceLength,
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TArray<FTranslationTrack>& OutTranslationData,
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TArray<FRotationTrack>& OutRotationData);
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/**
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* Interpolate keyframes in this sequence to find the bone transform (relative to parent).
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*
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* @param OutAtom [out] Output bone transform.
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* @param TrackIndex Index of track to interpolate.
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* @param Time Time on track to interpolate to.
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* @param bLooping TRUE if the animation is looping.
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* @param bUseRawData If TRUE, use raw animation data instead of compressed data.
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* @param CurveKeys List of Curve Keys if exists
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*/
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void GetBoneAtom(FBoneAtom& OutAtom, INT TrackIndex, FLOAT Time, UBOOL bLooping, UBOOL bUseRawData, FCurveKeyArray* CurveKeys = NULL) const;
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/**
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* Interpolate keyframes in this sequence to find the bone transform (relative to parent).
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* This returns the base pose used to create the additive animation.
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*
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* @param OutAtom [out] Output bone transform.
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* @param TrackIndex Index of track to interpolate.
|
||
|
|
* @param Time Time on track to interpolate to.
|
||
|
|
* @param bLooping TRUE if the animation is looping.
|
||
|
|
*/
|
||
|
|
void GetAdditiveBasePoseBoneAtom(FBoneAtom& OutAtom, INT TrackIndex, FLOAT Time, UBOOL bLooping) const;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Interpolate curve weights of the Time in this sequence if curve data exists
|
||
|
|
*
|
||
|
|
* @param Time Time on track to interpolate to.
|
||
|
|
* @param bLooping TRUE if the animation is looping.
|
||
|
|
* @param CurveKeys Add the curve keys if exists
|
||
|
|
*/
|
||
|
|
void GetCurveData(FLOAT Time, UBOOL bLooping, FCurveKeyArray& CurveKeys) const;
|
||
|
|
|
||
|
|
/** Sort the Notifies array by time, earliest first. */
|
||
|
|
void SortNotifies();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return A reference to the AnimSet this sequence belongs to.
|
||
|
|
*/
|
||
|
|
UAnimSet* GetAnimSet() const;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the size of the object/ resource for display to artists/ LDs in the Editor.
|
||
|
|
*
|
||
|
|
* @return size of resource as to be displayed to artists/ LDs in the Editor.
|
||
|
|
*/
|
||
|
|
virtual INT GetResourceSize();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return The approximate size of raw animation data.
|
||
|
|
*/
|
||
|
|
INT GetApproxRawSize() const;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return The approximate size of key-reduced animation data.
|
||
|
|
*/
|
||
|
|
INT GetApproxReducedSize() const;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return The approximate size of compressed animation data.
|
||
|
|
*/
|
||
|
|
INT GetApproxCompressedSize() const;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Crops the raw anim data either from Start to CurrentTime or CurrentTime to End depending on
|
||
|
|
* value of bFromStart. Can't be called against cooked data.
|
||
|
|
*
|
||
|
|
* @param CurrentTime marker for cropping (either beginning or end)
|
||
|
|
* @param bFromStart whether marker is begin or end marker
|
||
|
|
* @return TRUE if the operation was successful.
|
||
|
|
*/
|
||
|
|
UBOOL CropRawAnimData( FLOAT CurrentTime, UBOOL bFromStart );
|
||
|
|
/**
|
||
|
|
* Utility function for lossless compression of a FRawAnimSequenceTrack
|
||
|
|
* @return TRUE if keys were removed.
|
||
|
|
**/
|
||
|
|
UBOOL CompressRawAnimSequenceTrack(FRawAnimSequenceTrack& RawTrack, float MaxPosDiff, float MaxAngleDiff);
|
||
|
|
/**
|
||
|
|
* Removes trivial frames -- frames of tracks when position or orientation is constant
|
||
|
|
* over the entire animation -- from the raw animation data. If both position and rotation
|
||
|
|
* go down to a single frame, the time is stripped out as well.
|
||
|
|
* @return TRUE if keys were removed.
|
||
|
|
*/
|
||
|
|
UBOOL CompressRawAnimData(float MaxPosDiff, float MaxAngleDiff);
|
||
|
|
/**
|
||
|
|
* Removes trivial frames -- frames of tracks when position or orientation is constant
|
||
|
|
* over the entire animation -- from the raw animation data. If both position and rotation
|
||
|
|
* go down to a single frame, the time is stripped out as well.
|
||
|
|
* @return TRUE if keys were removed.
|
||
|
|
*/
|
||
|
|
UBOOL CompressRawAnimData();
|
||
|
|
|
||
|
|
/** Clears any data in the AnimSequence, so it can be recycled when importing a new animation with same name over it. */
|
||
|
|
void RecycleAnimSequence();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clear references to additive animations.
|
||
|
|
* This is the following arrays: AdditiveBasePoseAnimSeq, AdditiveTargetPoseAnimSeq and RelatedAdditiveAnimSeqs.
|
||
|
|
* Handles dependencies, and removes us properly.
|
||
|
|
*/
|
||
|
|
void ClearAdditiveAnimReferences();
|
||
|
|
void FixUpBadAnimNotifiers();
|
||
|
|
|
||
|
|
static UBOOL CopyAnimSequenceProperties(UAnimSequence* SourceAnimSeq, UAnimSequence* DestAnimSeq, UBOOL bSkipCopyingNotifies=FALSE);
|
||
|
|
static void CopyMetadata(UAnimSequence* SourceAnimSeq, UAnimSequence* DestAnimSeq);
|
||
|
|
static UBOOL CopyNotifies(UAnimSequence* SourceAnimSeq, UAnimSequence* DestAnimSeq);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the time (in seconds) from the start of the animation that the first notify of the given class would fire
|
||
|
|
*
|
||
|
|
* @param NotifyClass Class of AnimNotify we are looking for (ie AnimNotify_Sound)
|
||
|
|
* @param PlayRate Rate that animation would be played at
|
||
|
|
* @param StartPosition Initial position in the animation to start checking from
|
||
|
|
* @return Time in seconds that notify would fire if anim was played at given rate
|
||
|
|
* Returns -1.f if no notify is found
|
||
|
|
*/
|
||
|
|
native function float GetNotifyTimeByClass( class<AnimNotify> NotifyClass, optional float PlayRate = 1.f, optional float StartPosition = -1.f, optional out AnimNotify out_Notify, optional out float out_Duration );
|
||
|
|
|
||
|
|
defaultproperties
|
||
|
|
{
|
||
|
|
RateScale=1.0
|
||
|
|
}
|