SoundNodeModulatorContinuous.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Sound/SoundNode.h"
#include "SoundNodeModulatorContinuous.generated.h"
 
class FAudioDevice;
struct FActiveSound;
struct FSoundParseParameters;
struct FWaveInstance;
 
UENUM()
enum ModulationParamMode : int
{
    MPM_Normal UMETA(DisplayName = "Normal" , Tooltip = "Clamps input value to the range (MinInput, MaxInput) then maps to the range (MinOutput, MaxOutput)"),
    MPM_Abs UMETA(DisplayName = "Absolute" , Tooltip = "Same as Normal except that the input value is treated as an absolute value"),
    MPM_Direct UMETA(DisplayName = "Direct" , Tooltip = "Use the input value directly without scaling or reference to Min or Max input or output values"),
    MPM_MAX,
};
 
USTRUCT(BlueprintType)
struct FModulatorContinuousParams
{
    GENERATED_USTRUCT_BODY()
 
    FModulatorContinuousParams()
        : Default(1.f)
        , MinInput(0.f)
        , MaxInput(1.f)
        , MinOutput(0.f)
        , MaxOutput(1.f)
        , ParamMode(MPM_Normal)
    {
    }
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category=ModulatorContinousParameters)
    FName ParameterName;
 
    UPROPERTY(EditAnywhere, Category=ModulatorContinousParameters)
    float Default;
 
    UPROPERTY(EditAnywhere, Category=ModulatorContinousParameters)
    float MinInput;
 
    UPROPERTY(EditAnywhere, Category = ModulatorContinousParameters)
    float MaxInput;
 
    UPROPERTY(EditAnywhere, Category = ModulatorContinousParameters)
    float MinOutput;
 
    UPROPERTY(EditAnywhere, Category = ModulatorContinousParameters)
    float MaxOutput;
 
    UPROPERTY(EditAnywhere, Category=ModulatorContinousParameters)
    TEnumAsByte<enum ModulationParamMode> ParamMode;
 
    float GetValue(const FActiveSound& ActiveSound) const;
};
 
UCLASS(hidecategories=Object, editinlinenew, MinimalAPI, meta=( DisplayName="Continuous Modulator" ))
class USoundNodeModulatorContinuous : public USoundNode
{
    GENERATED_UCLASS_BODY()
 
    UPROPERTY(EditAnywhere, Category=ContinuousModulator)
    FModulatorContinuousParams PitchModulationParams;
 
    UPROPERTY(EditAnywhere, Category=ContinuousModulator)
    FModulatorContinuousParams VolumeModulationParams;
 
public:
    //~ Begin USoundNode Interface.
    virtual void ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances ) override;
    //~ End USoundNode Interface.
};