30 lines
1.1 KiB
Ucode
30 lines
1.1 KiB
Ucode
/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class InterpTrackVisibilityHelper extends InterpTrackHelper
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native;
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cpptext
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{
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/**
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* Checks track-dependent criteria prior to adding a new keyframe.
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* Responsible for any message-boxes or dialogs for selecting key-specific parameters.
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* Optionally creates/references a key-specific data object to be used in PostCreateKeyframe.
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*
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* @param Track Pointer to the currently selected track.
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* @param KeyTime The time that this Key becomes active.
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* @return Returns true if this key can be created and false if some
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* criteria is not met (i.e. No related item selected in browser).
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*/
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virtual UBOOL PreCreateKeyframe( UInterpTrack *Track, FLOAT KeyTime ) const;
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/**
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* Uses the key-specific data object from PreCreateKeyframe to initialize the newly added key.
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*
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* @param Track Pointer to the currently selected track.
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* @param KeyIndex The index of the keyframe that as just added. This is the index returned by AddKeyframe.
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*/
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virtual void PostCreateKeyframe( UInterpTrack *Track, INT KeyIndex ) const;
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}
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