Add Audio Volume slider to Options menu

Source/vampires/Widgets/OptionsMenuWidget.cpp

@@ -3,12 +3,16 @@
 
 #include "OptionsMenuWidget.h"
 
+#include "AudioMixerDevice.h"
 #include "Components/Button.h"
 #include "Components/ComboBoxString.h"
 #include "GameFramework/GameUserSettings.h"
 #include "Kismet/GameplayStatics.h"
 #include "Kismet/KismetSystemLibrary.h"
 #include "RHI.h"
+#include "Components/Slider.h"
+#include "Components/TextBlock.h"
+#include "Sound/SoundClass.h"
 
 void UOptionsMenuWidget::NativeConstruct()
 {
@@ -30,6 +34,9 @@ void UOptionsMenuWidget::NativeConstruct()
 	GenerateRefreshRateOptions();
 	RefreshRateComboBox->OnSelectionChanged.AddDynamic(this, &UOptionsMenuWidget::OnRefreshRateSelectionChanged);
 
+	GenerateAudioLevelOptions();
+	MasterAudioSlider->OnValueChanged.AddDynamic(this, &UOptionsMenuWidget::OnAudioLeverValueChanged);
+
 	if (ReturnButton)
 	{
 		ReturnButton->OnClicked.AddUniqueDynamic(this, &UOptionsMenuWidget::ReturnButtonOnClicked);
@@ -138,6 +145,19 @@ void UOptionsMenuWidget::GenerateRefreshRateOptions()
 	}
 }
 
+void UOptionsMenuWidget::GenerateAudioLevelOptions()
+{
+	if (MasterSoundClass)
+	{
+		float CurrentVolume = FMath::Clamp(MasterSoundClass->Properties.Volume, 0.0f, 1.0f);
+
+		MasterAudioSlider->SetValue(CurrentVolume);
+
+		int AudioLevel = CurrentVolume * 100.0f;
+		MasterAudioTextBlock->SetText(FText::FromString(FString::FromInt(AudioLevel) + "%"));
+	}
+}
+
 void UOptionsMenuWidget::OnResolutionSelectionChanged(FString SelectedItem, ESelectInfo::Type SelectionType)
 {
 	FString Horizontal;
@@ -235,6 +255,18 @@ void UOptionsMenuWidget::OnRefreshRateSelectionChanged(FString SelectedItem, ESe
 	GEngine->GameUserSettings->ApplySettings(false);
 }
 
+void UOptionsMenuWidget::OnAudioLeverValueChanged(float Value)
+{
+	if (MasterSoundClass)
+	{
+		MasterSoundClass->Properties.Volume = FMath::Clamp(Value, 0.0f, 1.0f);
+
+		int AudioLevel = FMath::Clamp(Value, 0.0f, 1.0f) * 100.0f;
+		
+		MasterAudioTextBlock->SetText(FText::FromString(FString::FromInt(AudioLevel) + "%"));
+	}
+}
+
 void UOptionsMenuWidget::ReturnButtonOnClicked()
 {
 	if (MainMenuMenuWidget)

Source/vampires/Widgets/OptionsMenuWidget.h

@@ -6,6 +6,7 @@
 #include "VampireInteractiveWidget.h"
 #include "OptionsMenuWidget.generated.h"
 
+class USlider;
 class UComboBoxString;
 class UButton;
 /**
@@ -33,6 +34,12 @@ class VAMPIRES_API UOptionsMenuWidget : public UVampireInteractiveWidget
 
 	UPROPERTY(meta = (BindWidget))
 	TObjectPtr<UComboBoxString> DynamicResolutionComboBox;
+	
+	UPROPERTY(meta = (BindWidget))
+	TObjectPtr<USlider> MasterAudioSlider;
+	
+	UPROPERTY(meta = (BindWidget))
+	TObjectPtr<UTextBlock> MasterAudioTextBlock;
 
 	UPROPERTY(meta = (BindWidget))
 	TObjectPtr<UButton> ReturnButton;
@@ -49,7 +56,11 @@ class VAMPIRES_API UOptionsMenuWidget : public UVampireInteractiveWidget
 	UPROPERTY(EditDefaultsOnly, Category = "Widget Settings | New Game")
 	TSubclassOf<UUserWidget> MainMenuMenuWidget;
 
+	UPROPERTY(EditDefaultsOnly, Category = "Widget Settings | Sound Settings")
+	TObjectPtr<USoundClass> MasterSoundClass = nullptr;
+
 protected:
+	UFUNCTION()
 	virtual void NativeConstruct() override;
 
 private:
@@ -63,6 +74,8 @@ private:
 
 	void GenerateRefreshRateOptions();
 
+	void GenerateAudioLevelOptions();
+
 	UFUNCTION()
 	void OnResolutionSelectionChanged(FString SelectedItem, ESelectInfo::Type SelectionType);
 
@@ -81,6 +94,9 @@ private:
 	UFUNCTION()
 	void OnRefreshRateSelectionChanged(FString SelectedItem, ESelectInfo::Type SelectionType);
 
+	UFUNCTION()
+	void OnAudioLeverValueChanged(float Value);
+
 	UFUNCTION()
 	void ReturnButtonOnClicked();