Need

UCLASS(BlueprintType)
class UNeed : public UObject
{

    GENERATED_BODY()
public:
    UPROPERTY(EditAnywhere, BlueprintReadWrite)
    ENeedType NeedType;
    UPROPERTY(EditAnywhere, BlueprintReadWrite)
    int MaxValue;
    UPROPERTY(EditAnywhere, BlueprintReadWrite)
    int MinValue;
    UPROPERTY(EditAnywhere, BlueprintReadWrite)
    int TriggerValue;
    /*'2' = vital, '1' = 'non-vital', '0' = utility*/
    UPROPERTY(EditAnywhere, BlueprintReadWrite)
    int Importance;
    UPROPERTY(EditAnywhere, BlueprintReadWrite)
    float CurrentValue;
    UPROPERTY(EditAnywhere, BlueprintReadWrite)
    float RateOfDecay;
    UPROPERTY(EditAnywhere, BlueprintReadWrite)
    bool Triggered;
    UPROPERTY(BlueprintReadOnly)
    float Utility;

    UFUNCTION(BlueprintCallable)
    UNeed* Setter(ENeedType CnsrtNeedType, int CnsrtMaxValue, int CnsrtMinValue, int CnsrtTriggerValue,
                  int CnsrtImportance,
                  float CnsrtCurrentValue, float CnsrtRateOfDecay);
    UFUNCTION(BlueprintCallable)
    float DecayNeed();
    UFUNCTION(BlueprintCallable)
    float CalculateUtiliy();
    UFUNCTION(BlueprintCallable)
    void SetCurrentValue(float ValueToSet);
};

UNeed* UNeed::Setter(ENeedType CnsrtNeedType, int CnsrtMaxValue, int CnsrtMinValue, int CnsrtTriggerValue,
                     int CnsrtImportance, float CnsrtCurrentValue, float CnsrtRateOfDecay)
{
    NeedType = CnsrtNeedType;
    MaxValue = CnsrtMaxValue;
    MinValue = CnsrtMinValue;
    TriggerValue = CnsrtTriggerValue;
    Importance = CnsrtImportance;
    CurrentValue = CnsrtCurrentValue;
    RateOfDecay = CnsrtRateOfDecay;
    Triggered = false;
    CalculateUtiliy();
    return this;
}


float UNeed::DecayNeed()
{
    CurrentValue = FMath::Clamp(CurrentValue - RateOfDecay, MinValue, MaxValue);
    return CurrentValue;
}

float UNeed::CalculateUtiliy()
{
    Utility = CurrentValue/MaxValue;
    return Utility;
}

void UNeed::SetCurrentValue(float ValueToSet)
{
    CurrentValue = FMath::Clamp(CurrentValue + ValueToSet, MinValue, MaxValue);
}