ActorComponent.h

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#pragma once
 
#include "Karma/Core/Object.h"
#include "Core/KarmaTypes.h"
 
class AActor;
 
namespace Karma
{
    enum class EComponentCreationMethod : uint8_t
    {
        Native,
        SimpleConstructionScript,
        UserConstructionScript,
        Instance,
    };

    enum class EUpdateTransformFlags : int32
    {
        None = 0x0,
        SkipPhysicsUpdate = 0x1,
        PropagateFromParent = 0x2,
        OnlyUpdateIfUsingSocket = 0x4
    };

    class KARMA_API UActorComponent : public UObject
    {
        DECLARE_KARMA_CLASS(UActorComponent, UObject)
 
    private:
        mutable AActor* m_OwnerPrivate;

        uint8_t m_bHasBegunPlay : 1;

        uint8_t m_bHasBeenCreated : 1;

        uint8_t m_bIsActive : 1;

        uint8_t m_bHasBeenInitialized : 1;

        UWorld* m_WorldPrivate;
 
    public:
        UActorComponent();

        virtual void TickComponent(float deltaTime);//, enum ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction);

        virtual void BeginPlay();

        virtual void EndPlay(const EEndPlayReason::Type EndPlayReason);

        AActor* GetOwner() const;

        void SetOwner(AActor* NewOwner);

        bool HasBeenCreated() const { return m_bHasBeenCreated; }

        virtual void OnComponentCreated();

        inline bool IsRegistered() const { return m_bRegistered; }

        virtual void UpdateComponentToWorld(EUpdateTransformFlags UpdateTransformFlags = EUpdateTransformFlags::None, ETeleportType Teleport = ETeleportType::None) {}

        bool IsActive() const { return m_bIsActive; }

        virtual void Activate(bool bReset = false);

        void SetActiveFlag(const bool bNewIsActive);

        bool HasBeenInitialized() const { return m_bHasBeenInitialized; }

        virtual void InitializeComponent();

        bool HasBegunPlay() const { return m_bHasBegunPlay; }
 
        //~ Begin UObject Interface.
        virtual void BeginDestroy() override;
        //~ End UObject Interface.

        virtual void UninitializeComponent();

        virtual void OnComponentDestroyed(bool bDestroyingHierarchy);
 
    public:
        EComponentCreationMethod m_CreationMethod;

        uint8_t m_bAutoActivate : 1;
 

        uint8_t m_bWantsInitializeComponent : 1;
 
    protected:
        uint8_t m_bRegistered : 1;
 
    protected:
        virtual bool ShouldActivate() const;
    };
}