147 lines
4.9 KiB
Ucode
147 lines
4.9 KiB
Ucode
/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class InterpTrackBoolProp extends InterpTrack
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native(Interpolation);
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/** Information for one event in the track. */
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struct native BoolTrackKey
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{
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var float Time;
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var() bool Value;
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};
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/** Array of booleans to set. */
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var array<BoolTrackKey> BoolTrack;
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/** Name of property in Group Actor which this track will modify over time. */
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var() editconst name PropertyName;
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cpptext
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{
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/** Returns the property name */
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virtual UBOOL GetPropertyName( FName& PropertyNameOut ) const { PropertyNameOut = PropertyName; return TRUE; }
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/**
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* @return The number of keyframes currently in this track.
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*/
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virtual INT GetNumKeyframes() const;
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/**
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* Gathers the range that spans all keyframes.
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*
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* @param StartTime [out] The time of the first keyframe on this track.
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* @param EndTime [out] The time of the last keyframe on this track.
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*/
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virtual void GetTimeRange( FLOAT& StartTime, FLOAT& EndTime ) const;
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/**
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* @return The ending time of the track.
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*/
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virtual FLOAT GetTrackEndTime() const;
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/**
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* @param KeyIndex The index of the key to retrieve the time in the track's key array.
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*
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* @return The time of the given key in the track on the timeline.
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*/
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virtual FLOAT GetKeyframeTime( INT KeyIndex ) const;
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/**
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* Changes the time of the given key with the new given time.
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*
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* @param KeyIndex The index key to change in the track's key array.
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* @param NewKeyTime The new time for the given key in the timeline.
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* @param bUpdateOrder When TRUE, moves the key to be in chronological order in the array.
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*
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* @return The new index for the given key.
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*/
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virtual INT SetKeyframeTime( INT KeyIndex, FLOAT NewKeyTime, UBOOL bUpdateOrder = TRUE );
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/**
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* Removes the given key from the array of keys in the track.
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*
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* @param KeyIndex The index of the key to remove in this track's array of keys.
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*/
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virtual void RemoveKeyframe( INT KeyIndex );
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/**
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* Duplicates the given key.
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*
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* @param KeyIndex The index of the key to duplicate in this track's array of keys.
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* @param NewKeyTime The time to assign to the duplicated key.
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*
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* @return The new index for the given key.
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*/
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virtual INT DuplicateKeyframe( INT KeyIndex, FLOAT NewKeyTime );
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/**
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* Gets the position of the closest key with snapping incorporated.
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*
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* @param InPosition The current position in the timeline.
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* @param IgnoreKeys The set of keys to ignore when searching for the closest key.
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* @param OutPosition The position of the closest key with respect to snapping and ignoring the given set of keys.
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*
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* @return TRUE if a keyframe was found; FALSE if no keyframe was found.
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*/
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virtual UBOOL GetClosestSnapPosition( FLOAT InPosition, TArray<INT>& IgnoreKeys, FLOAT& OutPosition );
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/**
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* Adds a keyframe at the given time to the track.
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*
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* @param Time The time to place the key in the track timeline.
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* @param TrackInst The instance of this track.
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* @param InitInterpMode The interp mode of the newly-added keyframe.
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*/
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virtual INT AddKeyframe( FLOAT Time, UInterpTrackInst* TrackInst, EInterpCurveMode InitInterpMode );
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/**
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* Changes the value of an existing keyframe.
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*
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* @param KeyIndex The index of the key to update in the track's key array.
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* @param TrackInst The instance of this track to update.
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*/
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virtual void UpdateKeyframe( INT KeyIndex, UInterpTrackInst* TrackInst );
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/**
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* Updates the instance of this track based on the new position. This is for editor preview.
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*
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* @param NewPosition The position of the track in the timeline.
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* @param TrackInst The instance of this track to update.
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*/
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virtual void PreviewUpdateTrack( FLOAT NewPosition, UInterpTrackInst* TrackInst );
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/**
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* Updates the instance of this track based on the new position. This is called in the game, when USeqAct_Interp is ticked.
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*
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* @param NewPosition The position of the track in the timeline.
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* @param TrackInst The instance of this track to update.
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* @param bJump Indicates if this is a sudden jump instead of a smooth move to the new position.
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*/
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virtual void UpdateTrack( FLOAT NewPosition, UInterpTrackInst* TrackInst, UBOOL bJump );
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/**
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* @return TRUE if this track type works with static actors; FALSE, otherwise.
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*/
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virtual UBOOL AllowStaticActors() { return TRUE; }
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/**
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* Get the name of the class used to help out when adding tracks, keys, etc. in UnrealEd.
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*
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* @return String name of the helper class.
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*/
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virtual const FString GetEdHelperClassName() const;
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/**
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* @return The icon to draw for this track in Matinee.
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*/
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virtual class UMaterial* GetTrackIcon() const;
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}
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defaultproperties
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{
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TrackInstClass=class'Engine.InterpTrackInstBoolProp'
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TrackTitle="Bool Property"
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}
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