class InterpTrackAkEvent extends InterpTrack
	native;

cpptext
{
	// InterpTrack interface
	virtual INT GetNumKeyframes() const;
	virtual void GetTimeRange(FLOAT& StartTime, FLOAT& EndTime) const;
	virtual FLOAT GetKeyframeTime(INT KeyIndex) const;
	virtual INT AddKeyframe(FLOAT Time, UInterpTrackInst* TrInst, EInterpCurveMode InitInterpMode);
	virtual INT SetKeyframeTime(INT KeyIndex, FLOAT NewKeyTime, UBOOL bUpdateOrder=true);
	virtual void RemoveKeyframe(INT KeyIndex);
	virtual INT DuplicateKeyframe(INT KeyIndex, FLOAT NewKeyTime);
	virtual UBOOL GetClosestSnapPosition(FLOAT InPosition, TArray<INT> &IgnoreKeys, FLOAT& OutPosition);

	virtual void PreviewUpdateTrack(FLOAT NewPosition, UInterpTrackInst* TrInst);
	virtual void UpdateTrack(FLOAT NewPosition, UInterpTrackInst* TrInst, UBOOL bJump);

	/** Get the name of the class used to help out when adding tracks, keys, etc. in UnrealEd.
	* @return	String name of the helper class.*/
	virtual const FString	GetEdHelperClassName() const;
	
	virtual class UMaterial* GetTrackIcon() const;
	virtual void DrawTrack( FCanvas* Canvas, UInterpGroup* Group, const FInterpTrackDrawParams& Params );
	
	// InterpTrackAkEvent interface
	UAkEvent* GetAkEventAtPosition(FLOAT InPosition);
}

/** Information for one sound in the track. */
struct native AkEventTrackKey
{
	var		float		Time;
	var()	AkEvent		Event;
};	

/** Array of sounds to play at specific times. */
var	array<AkEventTrackKey>	AkEvents;

defaultproperties
{
	TrackInstClass=class'AkAudio.InterpTrackInstAkEvent'
	TrackTitle="AkEvent"
}