DataDrivenCVars.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/Object.h"
#include "HAL/IConsoleManager.h"
#include "Subsystems/EngineSubsystem.h"
#include "Engine/DeveloperSettings.h"
#include "DataDrivenCVars.generated.h"
 
class UUserDefinedStruct;
 
UCLASS(DisplayName = "DataDrivenCVars", MinimalAPI)
class UDataDrivenCVarEngineSubsystem : public UEngineSubsystem
{
    GENERATED_BODY()
 
public:
 
    UDataDrivenCVarEngineSubsystem() {}
 
    DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnDataDrivenCVarChanged, FString, CVarName);
 
    UPROPERTY(BlueprintAssignable, Category = "DataDrivenCVar")
    FOnDataDrivenCVarChanged OnDataDrivenCVarDelegate;
};
 
UENUM(BlueprintType)
enum class FDataDrivenCVarType : uint8
{
    CVarFloat,
    CVarInt,
    CVarBool
};
 
USTRUCT(BlueprintType)
struct FDataDrivenConsoleVariable
{
    GENERATED_BODY()
 
    FDataDrivenConsoleVariable() {}
    ENGINE_API ~FDataDrivenConsoleVariable();
 
    UPROPERTY(EditAnywhere, config, Category = "DataDrivenCVar", meta = (InlineCategoryProperty))
    FDataDrivenCVarType Type = FDataDrivenCVarType::CVarInt;
 
    UPROPERTY(EditAnywhere, config, Category = "DataDrivenCVar")
    FString Name;
 
    UPROPERTY(EditAnywhere, config, Category = "DataDrivenCVar")
    FString ToolTip;
 
    UPROPERTY(EditAnywhere, config, Category = "DataDrivenCVar", meta = (EditCondition = "Type == FDataDrivenCVarType::CVarFloat", EditConditionHides))
    float DefaultValueFloat = 0.0f;
 
    UPROPERTY(EditAnywhere, config, Category = "DataDrivenCVar", meta = (EditCondition = "Type == FDataDrivenCVarType::CVarInt", EditConditionHides))
    int32 DefaultValueInt = 0;
 
    UPROPERTY(EditAnywhere, config, Category = "DataDrivenCVar", meta = (EditCondition = "Type == FDataDrivenCVarType::CVarBool", EditConditionHides))
    bool DefaultValueBool = false;
 
#if WITH_EDITOR
    ENGINE_API void Refresh();
#endif
 
    ENGINE_API void Register();
    ENGINE_API void UnRegister(bool bUseShadowName = false);
 
    FString ShadowName;
    FString ShadowToolTip;
    FDataDrivenCVarType ShadowType;
};
 
UCLASS(config = Engine, defaultconfig, meta = (DisplayName = "Data Driven CVars"), MinimalAPI)
class UDataDrivenConsoleVariableSettings : public UDeveloperSettings
{
    GENERATED_BODY()
 
public:
 
    DECLARE_EVENT_OneParam(UDataDrivenConsoleVariableSettings, FOnStageChanged, const FString&);
    FOnStageChanged OnStageChanged;
 
    UPROPERTY(config, EditAnywhere, Category = "DataDrivenCVar")
    TArray<FDataDrivenConsoleVariable> CVarsArray;
 
    static ENGINE_API void OnDataDrivenChange(IConsoleVariable* CVar);
 
    //~ Begin UObject Interface
    ENGINE_API virtual void PostInitProperties() override;
 
#if WITH_EDITOR
    ENGINE_API virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
#endif
 
    ENGINE_API virtual FName GetCategoryName() const;
 
protected:
 
    TArray<FString> ShadowCVars;
};