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