Subsystem.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/Object.h"
 
#include "Subsystem.generated.h"
 
class FSubsystemCollectionBase;
 
UCLASS(Abstract, MinimalAPI)
class USubsystem : public UObject
{
    GENERATED_BODY()
 
public:
    ENGINE_API USubsystem();
 
    virtual bool ShouldCreateSubsystem(UObject* Outer) const { return true; }
 
    virtual void Initialize(FSubsystemCollectionBase& Collection) {}
 
    virtual void Deinitialize() {}
 
    ENGINE_API virtual int32 GetFunctionCallspace(UFunction* Function, FFrame* Stack) override;
 
private:
    friend class FSubsystemCollectionBase;
    FSubsystemCollectionBase* InternalOwningSubsystem;
 
};
 
 
UCLASS(Abstract, MinimalAPI)
class UDynamicSubsystem : public USubsystem
{
    GENERATED_BODY()
 
public:
    ENGINE_API UDynamicSubsystem();
};