PlayerStateComponentBase.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Components/ActorComponent.h"
#include "PlayerStateComponentBase.generated.h"
 
 
class APlayerState;
 
UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
class BASEHELPERS_API UPlayerStateComponentBase : public UActorComponent
{
    GENERATED_BODY()
 
public:
    UPlayerStateComponentBase();
    
    template <class T>
    T* GetPlayerState() const
    {
        static_assert(TPointerIsConvertibleFromTo<T, APlayerState>::Value, "'T' template parameter to GetPlayerState must be derived from APlayerState");
        return Cast<T>(GetOwner());
    }
    template <class T>
    T* GetPlayerStateChecked() const
    {
        static_assert(TPointerIsConvertibleFromTo<T, APlayerState>::Value, "'T' template parameter to GetPlayerStateChecked must be derived from APlayerState");
        return CastChecked<T>(GetOwner());
    }
    // PlayerState accessors, only valid if called during gameplay
 
    template <class T>
    T* GetPawn() const
    {
        static_assert(TPointerIsConvertibleFromTo<T, APawn>::Value, "'T' template parameter to GetPawn must be derived from APawn");
        return GetPlayerStateChecked<APlayerState>()->GetPawn<T>();
    }
    template <class T>
    T* GetGameInstance() const
    {
        static_assert(TPointerIsConvertibleFromTo<T, UGameInstance>::Value, "'T' template parameter to GetGameInstance must be derived from UGameInstance");
        AActor* Owner = GetOwner();
        return Owner ? Owner->GetGameInstance<T>() : nullptr;
    }
    template <class T>
    T* GetGameInstanceChecked() const
    {
        static_assert(TPointerIsConvertibleFromTo<T, UGameInstance>::Value, "'T' template parameter to GetGameInstance must be derived from UGameInstance");
        AActor* Owner = GetOwner();
        check(Owner);
        T* GameInstance = Owner->GetGameInstance<T>();
        check(GameInstance);
        return GameInstance;
    }
 
    bool HasAuthority() const;
 
    class FTimerManager& GetWorldTimerManager() const;
 
protected:
    virtual void BeginPlay() override;
 
};