102 lines
2.9 KiB
Ucode
102 lines
2.9 KiB
Ucode
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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 MultiCueSplineAudioComponent extends SplineAudioComponent
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native
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collapsecategories
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hidecategories(Object,ActorComponent)
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dependson(SoundNodeAttenuation)
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editinlinenew;
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struct native MultiCueSplineSoundSlot
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{
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var() SoundCue SoundCue;
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var() float PitchScale;
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var() float VolumeScale;
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var() int StartPoint;
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var() int EndPoint;
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// To remember where the volumes are interpolating to and from
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var native const double LastUpdateTime;
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var native const float SourceInteriorVolume;
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var native const float SourceInteriorLPF;
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var native const float CurrentInteriorVolume;
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var native const float CurrentInteriorLPF;
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//
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var bool bPlaying;
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structdefaultproperties
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{
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PitchScale=1.0
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VolumeScale=1.0
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StartPoint=-1
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EndPoint=-1
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SourceInteriorVolume=1.0
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SourceInteriorLPF=1.0
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CurrentInteriorVolume=1.0
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CurrentInteriorLPF=1.0
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bPlaying=false
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}
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structcpptext
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{
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FMultiCueSplineSoundSlot()
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{
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SoundCue = NULL;
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PitchScale = 1.0f;
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VolumeScale = 1.0f;
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StartPoint = -1;
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EndPoint = -1;
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LastUpdateTime = 0.0;
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SourceInteriorVolume = 1.0f;
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SourceInteriorLPF = 1.0f;
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CurrentInteriorVolume = 1.0f;
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CurrentInteriorLPF = 1.0f;
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bPlaying=FALSE;
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}
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}
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};
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var( Sounds ) init array<MultiCueSplineSoundSlot> SoundSlots<ToolTip=Sounds to play>;
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var int CurrentSlotIndex;
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cpptext
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{
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/**
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* Dissociates component from audio device and deletes wave instances.
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*/
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virtual void Cleanup( void );
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virtual void Play( void );
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virtual void Stop( void );
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virtual void UpdateWaveInstances( UAudioDevice* AudioDevice, TArray<FWaveInstance*> &WaveInstances, const TArray<struct FListener>& InListeners, FLOAT DeltaTime );
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/**
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* @param InListeners all listeners list
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* @param ClosestListenerIndexOut through this variable index of the closest listener is returned
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* @return Closest RELATIVE location of sound (relative to position of the closest listener).
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*/
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virtual FVector FindClosestLocation( const TArray<struct FListener>& InListeners, INT& ClosestListenerIndexOut );
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FLOAT GetDuration( );
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/**
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* Math helper function
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* @param Points - parray of points
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* @param Listener - position of listener
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* @param Radius - scope of listener
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* @param Slot - info about the sound range along spline
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* @param OutScaledDistance - out - distance , that should be used for attenuation calculation
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* @return mean virtual speaker position, with respect to distance from listener
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*/
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static FVector FindVirtualSpeakerScaledPosition( const TArray< FInterpCurveVector::FPointOnSpline >& Points, FVector Listener, FLOAT Radius, const FMultiCueSplineSoundSlot& Slot, FLOAT& OutScaledDistance, INT& OutClosestPointOnSplineIndex );
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}
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